LRC publishes ASSIST recommendation on lamp dimming look and feel

The new publication recommends acceptable characteristics in minimum and maximum dimming levels and dead travel, but does not suggest a profile of light intensity changes relative to dimmer setting.

The Lighting Research Center (LRC) at Rensselaer Polytechnic Institute has released a new publication in the ASSIST (Alliance for Solid-State Illumination Systems and Technologies) series that recommends how lamps should dim regardless of type of light source. The recommendations are based on research into industry standards, experiments that gauge use expectations and preferences, and lab tests of lamps and dimming controls.

The. "ASSIST recommends ... Dimming: A technology-neutral definition" publication is available on the LRC website The study was prompted by the fact that dimmable LED and compact fluorescent (CFL) lamps often perform differently from legacy sources, but is meant to apply to all types of light sources.

The LRC worked on the project for two years with the normal ASSIST goal of removing barriers that might impede the adoption of led outdoor lighting wholesale. "The LRC and ASSIST's industry members are interested in understanding the technical problems impeding market acceptance of LED lighting, and dimming is one focus area, "said Nadarajah Narendran, the director of research at the LRC and organizer of the ASSIST program." By understanding the compatibility issues and what users want when they dim their lights, we can improve not only the dimming experience but also the likelihood that homeowners will permanently switch to energy-efficient LED lighting. "

Results summary

The results of the research are quite simple. For now lamps should be dimmable down to at least 5% of the full lamp output, and that number should be reduced with maturation of LED dimming technology. Lamps should produce at least 90% of full output (relative to light produced when not connected to a dimmer) at the maximum dimmer setting.

The LRC also addresses dead travel on a dimmer when there is no response by the lamps at the top or bottom of the scale, and recommends a maximum of 10% at either the low or high ends. Flicker is also addressed, albeit through a reference to a prior ASSIST recommendation on flicker from 2012. The new publication requires an acceptability rating greater than zero based on the methodology described previously.

The new publication mentions but does not define either dimming profile or audible noise associated with dimmed led indoor lighting wholesale. The document acknowledges the importance of minimum audible noise relative to consumer acceptance but also said there are simply no available criteria or measurement methodologies to apply to the problem at present.

The publication also doesn't address profile - which is the relative change of light level based on the dimmer setting The report does say that people generally prefer a profile based on a square law curve (documented in prior LRC research) that matches the logarithmic. . response of the human visual system The document does specify monotonic operation, meaning that the lamp should never respond in an opposite manner from a change of a dimmer setting - it should never increase in brightness when the dimmer is adjusted down or vice versa.

ASSIST is an alliance that dates to 2002 between the LRC, researchers, manufacturers, and government agencies. The mission remains helping the lighting industry transition to energy-efficient lighting.

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Everlight announces 1W white LED, adds to IR and HIR LED families

The XI3535 LED in a low-cost plastic package targets general-illumination SSL applications, while Everlight also announces new IR products for remote controls and touch screens.

Everlight Electronics has announced the XI3535 1W white LED Panel light 18w omni-directional retrofit lamps, directional lighting, and other residential solid-state lighting (SSL) products. The 940-nm IR26-71C/61C LEDs target remote control applications and the 850-nm HIR83, HIR89, and HIR91 LEDs target proximity-sensing applications such as touch screens.
The new white LEDs are available across a CCT range from 2700K to 6500K. Everlight offers CRI greater than 80 for the entire family. The top-view LEDs have a 115 ° beam pattern.

Flux output is 105-100 lm for cool and warm white LEDs, respectively, at 350 mA of drive current. The efficacy ranges from 109-115 lm / W. The single-emitter LEDs have a nominal forward voltage of 3V. Everlight also offers two-emitter packages that operate from 6V and 150 mA of drive current.
IR and HIR LEDs
The infrared (IR) LED Panel light 36w include the HIR83, HIR89, and HIR91 that Everlight refers to as high-efficiency infrared (HIR), and the lower-power IR26-71C/61C, and in both bands you have the option of top-or side-view models.
Offering a viewing angle of 30 °, the top-view HIR89-01C produces 55 mW / sr of power at 70 mA of drive current. The top-view HIR91-01C/L297 delivers 40 mW / sr at 70 mA, and a beam angle of 40 °. For side-view applications, the HIR83-01B offers an asymmetric pattern 100 ° × 40 ° for applications such as touch screens and outputs 5 mW / sr at 20 mA.
The side-view IR26-71C and top-view IR26-61C are low profile LEDs that measure 1.2-mm high. The former has a 50 ° beam angle, and the latter a 20 ° beam angle. The LEDs output 8 mW / sr at 20 MA.

More info you can visit:http://www.lead-lighting.com/led-panel/rf-wireless-color-temperature-dimmable.htm

LED manufacturing research: RPI integrates features, studies address cost and efficiency

New RPI research proves the concept of integrating led street light fixture on the same chip with other electronic components such as transistors, while other new research focuses on maximizing the light extraction efficiency of LEDs and lowering cost through simpler materials.

Researchers at the Rensselaer Polytechnic Institute (RPI) Smart Lighting Engineering Research Center (ERC) have integrated a power transistor in gallium-nitride (GaN) layers along with an LED structure. An RPI doctoral student has also published research on a novel method that could improve the light extraction efficiency of LEDs. Researchers at the University of Washington hope to reduce the cost of slid-state lighting (SSL) products via a transition from phosphors based on rare-earth elements to electroluminescent silicon particles derived from sand.
Integrating circuit elements
The RPI research is focused on adding functionality to LED chips that can simplify the increasingly complex external electronics required to drive the LED. The laboratory project involved the monolithic integration of both a high-electron-mobility transistor (HEMT) and an LED on one chip . This simple first step of integration could provide a real benefit, eliminating the external MOSFET power transistor typically used to switch an LED on and off.

When asked whether the laboratory research would bring real value to the SSL space, T. Paul Chow, an engineering professor at RPI and the leader of the recent research, said, "Eliminating the MOSFET is the first step. We can add the gate driver circuitry, and then more integration to realize a power converter. "Chow also said a single HEMT could control multiple LEDs on one chip.
The project utilized a GaN substrate and realized an LED that matches the light density of standard GaN LEDs being manufactured in volume today. So presumably there is no performance impact of integrating more functionality.
The research team has big dreams and compares the development with the evolution of transistors to dense ICs in the silicon semiconductor world. In fact, Chow calls the new type of device a light-emitting integrated circuit (LEIC).
"This new study, and the device we have created, is just the tip of the iceberg," said Smart Lighting ERC director Robert Karlicek, a co-author of the study and RPI professor. "LEICs will result in even higher energy efficiency of . LED lighting systems But what will be even more exciting are the new devices, new applications, and new breakthroughs enabled by LEICs -. they will truly usher in the era of smart lighting "
The implication is LEDs that might have complex integrated functions ranging from sensors to perhaps communication capabilities or even low-end microprocessors. Chow added, "We can also integrate some sensors, and eventually a network. However, how much one will do in GaN and how much in silicon nanometer-scaled CMOS is subject to discussions, system or IC partition choices, and sometimes debate. "
Silicon ICs are so much lower in cost relative to circuit real estate that GaN-based functions will likely remain focused on power-conversion circuitry and sensors. The study entitled "Monolithic integration of light-emitting diodes and power metal-oxide semiconductor channel high- electron-mobility transistors for light-emitting power integrated circuits in GaN on sapphire substrate "has been published in the scientific journal Applied Physics Letters.
Increasing extraction efficiency
Separately, an RPI student is behind an approach to increase the brightness of GaN LEDs by minimizing the photons that are trapped within the device. Notice of the research entitled "Graded-refractive-index (GRIN) structure for brighter and smarter light-emitting diodes "came to light back in February when RPI announced that doctoral student Ming Ma was a finalist for the Lemelson-Rensselaer Student Prize. Subsequently, Ma was announced as the winner of the $ 30,000 award and has now published the research on the International Society for Optics and Photonics website.
The research focuses on the fact that the broad difference in refractive index between GaN and air results in total internal reflection of light and extraction efficiency below 30%. The paper describes micro-pillars constructed of dielectric layers on top of the led street light fixture Manufacturer surface that layer -by-layer provide a gradual transition in refractive index. The study revealed light extraction as high as 70%.
Silicon nanoparticles
A startup called LumiSands, meanwhile, has emerged from the Center for Commercialization at the University of Washington in Seattle that hopes to replace rare-earth phosphors with silicon nanoparticles - both lowering the cost of LEDs and SSL products and improving the light spectrum.

Hopefully, manufacturers could substitute traditional rare-earth elements with our material with minimal additional steps, "said Ji Hoo, a doctoral student in electrical engineering and co-founder of LumiSands." It will be cheaper, better-quality lighting for users. " The researchers noted that rare-earth elements are expensive, dangerous to mine, and largely controlled by China.
The team has thus far demonstrated the conversion of blue LED light into red light using silicon particles that are smaller than 5 nm. They believe that they can develop yellow and green particles in short order. The combination of the three and blue LED emitters could deliver a spectrum near that of sunlight.

More info you can visit:http://www.lead-lighting.com/products/sid108-1.htm

Honeywell launches LED Lighting Solutions business unit to serve North America

The new SSL business unit will target commercial customers in North America and serve a complementary role to Honeywell's building controls and automation products.

Honeywell has announced that its newly-formed led street lights price Solutions business unit will launch a line of energy-efficient solid-state lighting (SSL) products to the North American commercial market. The potential for offering energy-saving lighting led to the new business unit with Honeywell planning to bolster the baseline efficiency of LEDs with its broad line of building-control and-automation products that can support adaptive lighting control scenarios.

"LED lights are greener, have a lower total cost of ownership, and last longer," said Beth Wozniak, president of Honeywell Environmental and Combustion Controls "But what really unlocks their value is adding Honeywell's unparalleled expertise in integrating building management systems -. Lighting , lighting controls, heating-ventilation-air-conditioning - to make buildings smarter and give building owners more control over their total energy consumption and costs ".

Initially, Honeywell will offer the linear LED-tube-based products pictured, primarily for commercial and industrial applications. The portfolio includes Strip, Surface Wrap, and Vapor Tight products. The company said the design delivers better beam control than competing LED tubes with the ability to offer a ± 30 ° adjustment in beam angle. The products rely on external drivers integrated in the fixtures.

In justifying its initial commercial and industrial targets, the company said that lighting represents 26% of energy usage in commercial applications, and 11% in industrial applications, and that those two segments make up 72% of the overall energy consumption in North America.

The initial products target lighting applications including stairwells, parking garages, manufacturing floors, cold storage facilities, and warehouses. Later in 2013, the company plans to add retrofit tube lamps, planar ceiling fixtures, and high-bay luminaires. Honeywell said that it will also roll out a new line of lighting controls including sensors and switches that can be integrated with other Honeywell building controls.

"Our new led street lighting Manufacturer Solutions business broadens Honeywell's energy efficiency portfolio and offers a strong retrofit opportunity with building owners looking to maximize efficiency and operational savings," said Wozniak. "No one understands buildings and energy better than Honeywell."

Honeywell has offered LED lighting in other regions of the globe for some time including Europe and Asia Pacific. For example, the company said that more than 80 Walmart stores in China have been retrofitted with Honeywell LED lighting.

More info you can visit:http://www.lighting-ledlight.com/index.php/category/led-street-light/

Cree and Ewo deliver LED high-mast lighting at Munich Airport

High-mast outdoor lighting applications are one area-lighting technology in which LEDs have struggled to find success with fixtures mounted at 100 ft or higher. Ewo, however, has installed its LED-based F32 floodlights in such an application on the apron of the Munich Airport (FMG) after first trialing solid-state lighting (SSL) technology at the airport two years ago.
The airport installation turned to led street light wholesale to both slash energy costs and to provide better quality lighting. The prior high-pressure sodium (HPS) lights rendered colors poorly, as is common with all HPS lights. Low CRI isn't an issue in many outdoor applications, but the airport wanted lights that could boost safety.
"Assuring the safety of our passengers, planes and their crew, airport staff, and any other visitor is a priority at Munich Airport," said Günther Sellmeier, planning and project manager for exterior lighting and engineering and facilities at FMG. Ewo didn't reveal the actual CRI of the lights, but the Cree XT-E LEDs used in the fixtures have a minimum CRI of 70 and are offered at higher CRIs. HPS lights have a typical CRI in the range of 25. The higher CRI makes it far easier for equipment operators to see workers and other obstacles.
The airport projects a minimum of 50% energy savings with the new lights. That will equate to an annual reduction of 122,000 kWh and a reduction of 70 tons of carbon emissions.
The project chronology shows how LEDs are evolving and how long some SSL projects take to come to fruition. We first reported on the story in February 2012 when Ewo tested LED lights on two of the high-mast poles. Initially the lights delivered 46% energy savings. The final installation used newer led street light supplier, and delivered better performance.
Slowly LEDs are catching on in high-mast applications. Last June we covered a freeway project in Maine in which Acuity supplied Holophane HMAO luminaires. At the time the Maine Department of Transportation said that the cost and weight of LED products had hampered the use of SSL in the application. Earlier, Cooper Lighting announced a high-mast project in Idaho.
Still, there are lighting professionals who think other light-source technologies may be most suitable for high-mast lighting. In an article on the 2012 Street and Area Lighting Conference over on our Illumination in Focus website, we covered a project at the Port of Oakland, California where Luxim LEP (light-emitting plasma) sources were determined the best match for a major retrofit of HPS fixtures.

more info you can visit:http://www.lighting-ledlight.com/index.php/category/led-street-lighting/

Cree supplies LED street lights to scenic Arctic town

Als we denken aan een nieuwe straatverlichting project , we zelden nadenken over de noodzaak voor grote verlichting zodat mensen een ijsbeer zou glimp of rendieren in de buurt. Maar dat is het geval in Svalbard , Noorwegen, waar weinig, maar een middernachtzon is zichtbaar in vele gebieden tussen april en augustus . In de stad Svalbard 's van Longyearbyen , de recente vervanging van 450 HPS straatverlichting met Cree LEDway armaturen in staat stelt naar schatting 70 % energiebesparing en een snelle terugverdientijd .
1 . LED commercial lighting wholesale verlichten de straten van Longyearbyen voor alle bewoners te voldoen.
LED's verlichten de straten van Longyearbyen voor alle bewoners te voldoen.
Spitsbergen is een eilandengroep , gelegen ongeveer halverwege tussen Noorwegen en de Noordpool . Het Longyearbyen project is misschien wel net zo gemotiveerd door energiebesparing als de wens om lichtvervuiling te verminderen en het behoud van de natuurlijke habitat van de wilde dieren . De installatie , afgewerkt in oktober van vorig jaar , toegespitst op gerichte straatverlichting tijdens langdurige , donkere uren .
De LEDway armaturen zijn geschikt voor meer dan 10.000 uur lichtopbrengst maar een geprojecteerde lumenbehoud van 50.000 uur ( 4,7 jaar als bediende 24 uur / dag ) . Wordt het Noorwegen installatie zal naar verwachting normale levensduur gedrag overschrijden , omdat LED commercial lighting Manufacturer presteren het beste in koude temperaturen . de armaturen worden aangeboden in kleurtemperaturen van 4000K of 5700K met een minimale CRI van 70 .
De gemiddelde energiebesparing in Longyearbyen wordt geschat op 70 % ten opzichte van HPS lampen. De NanoOptic technologie, die lichtvervuiling vermindert door zich in het licht met behulp van totale interne reflectie ( TIR ) optica, dateert uit de eerste LEDway ontwerpen.

more info you can visit:http://www.lighting-ledlight.com/index.php/tag/led-commercial-lighting-wholesale/

Recycled-material LED desk lamps installed in Seattle hotel

LittleFootprint Lighting , een maker van LED- werkplekverlichting gevestigd in Santa Cruz , Californië , kondigde de installatie van zijn HeronLED persoonlijke taak lichten in 120 kamers in Seattle Hotel 1000 .
De HeronLED lamp is gemaakt van gerecycled elektronisch afval in de VS.

De HeronLED Personal Task Light is een made-in -USA LED Panel light 18w die Energy Star-certificering heeft verdiend en is vervaardigd van gerecyclede computers en andere elektronische afval . " Klanten laat het ons weten we nodig hadden om de verlichting te verbeteren , en we geloven dat onze gasten zullen waarderen dat we het hebben gedaan met een bureaulamp dat bespaart niet alleen energie , maar vermindert ook het storten en wordt gemaakt in de VS ", aldus Denny Fitzpatrick , general manager van Hotel 1000 .
Gerelateerd artikel : ADATA Verlichting releases Tulip LED bureaulamp met 1000 - lx verlichting
"Verbetering van de geloofsbrieven duurzaamheid en het verminderen van de energiekosten zijn zeer belangrijke doelstellingen in de gehele horeca , " zei Nancy Wahl - Scheurich , LED Panel light 36w van LittleFootprint Lighting . "We zijn ook bewust , echter dat hotels niet zal investeren in een licht gewoon omdat het 'groen' ; . het moet er goed uitzien en zorgen echt goed licht Een van de belangrijkste redenen Hotel 1000 koos de HeronLED was om te reageren op gasten suggesties die verlichting van het bureau worden verbeterd helderheid de HeronLED en eenvoudige aanpassing aan het licht komen waar . de gebruiker het wil de klus te klaren . "

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Simplifying the sophisticated: LED driver selection made easy

SCOTT BARNEY neemt ontwikkelaars via de besluitvorming boom voor selectie SSL systeem bestuurder , wijzen op mogelijke problemen en het benadrukken van de kosten en baten van de gemeenschappelijke specificatie opties .
In de huidige snelle en snel veranderende LED arena , kan de complexe en subtiele keuzes die betrokken zijn bij het ​​kiezen van een LED of LED-array moeilijk genoeg zijn. Voeg daarbij de verwarring van een LED -driver te selecteren in een solid-state lighting ( SSL ) industrie gekenmerkt door obscure terminologie waar zelfs de experts debatteren nog definities en normen , en de taak kan overweldigend zijn . Als onderdeel van de LED-driver selectieproces , het betaamt een verlichting product ontwikkelaar, of zelfs een professionele lichtontwerper / specifier , om concepten te begrijpen dergelijke als de keuze van de huidige - en - spanning op basis station , het proces waarbij bestuurders Round Panel light 10W circuittopologieën , dimmen en flikkering overwegingen , wanneer en waarom te kiezen voor meerdere uitgangen , en andere zaken . Dit artikel zal dienen als een gids om u te helpen navigeren en vereenvoudigen het verfijnde proces van LED- driver selectie , te begrijpen en de juiste functies toepassing op de aanvraag bij de hand , en de juiste vragen van leveranciers uw LED-driver .
Constante spanning of stroom ?
De eerste vraag ontwikkelaars gezicht is bijna altijd de keuze van de constante stroom of spanning Er zijn twee fundamentele soorten LED -arrays - . Degenen die weglopen een constante spanning ( CV ) en die welke vandoor een constante stroom ( CC ) - en ze zijn wezenlijk anders binnen. een constante spanning array apparaten bevatten om de huidige beperking van het gaan te hoog wanneer de LED's warm , zoals weerstanden of constante stroom weerstanden ( CCR ) of zelfs een switching DC -DC-regeling van een soort . daarentegen zal een constante stroom LED -array LED's in serie en misschien verscheidene van deze strings parallel geschakeld zijn .
U wilt een constante spanning serie onder twee omstandigheden te kiezen:
1 ) U heeft nog uw LED-array te bepalen en de toepassing is er een waar je niet weet precies hoeveel LED strings zal op deze verrichting of wat de huidige loting zal ( dwz , koofverlichting ) zijn worden opgehangen .
2 ) De LED-array is van de constante spanning verscheidenheid en heeft daarom een ​​vaste reeks van stroom voor die vaste uitgangsspanning . In dit geval moet u ervoor zorgen dat de driver die u selecteert is de juiste spanning en dat de toegestane uitgangsstroom bereik is hoger dan het bruto geschatte stroomverbruik van uw LED belastingen.
Als u zich bewust bent van de stroom die nodig is om de toepassing licht - level eisen voldoen , zou je waarschijnlijk kiezen voor een constante stroom reeks , want het is meestal de meest efficiënte regeling. Als uw LED-array vereist een constante stroom , dan krijg je een CC nodig LED-driver dit type driver zal slechts een bepaald bereik van de spanningen die het kan rijden , .. zal er een minimale spanning en een maximale spanning toelaatbare je moet ervoor zorgen dat uw LED- array heeft een spanning eis dat valt binnen deze toegestane bereik zijn .
De tafel AC - naar-DC driver topologieën en hun voors, tegens , en toepassingen . Er is geen goede of foute benadering driver selectie . Plaats daarvan moet je naar topologie passen aan de applicatie-eisen . Laten we nu ingaan op enkele specifieke onderwerpen.
Het belang van dimmen
Een andere vroege beslissing zal het belang van het dimmen van mening en dat kan de menselijke visuele waarneming en / of energiebesparing kwesties te betrekken . Om de juiste functies te selecteren , het helpt om de kenmerken van de menselijke waarneming te begrijpen. Het menselijk mededelingen oog licht verandert op een schaal die betrekking heeft op wat het al zien en de lichtopbrengst van een LED -lamp is ruwweg evenredig met de stroom doorheen. Daardoor dimmen tot 50 % is nauwelijks merkbaar voor de meeste mensen en 10 % wordt beschouwd als slechts een paar graden dimmer dan dat. Daarom, om een waarneembare visuele dimmen effect te hebben , moet je in staat zijn om gedimd worden tot 1 % . ter vergelijking , vereisen bioscopen dimmen in de range van 0,1% .
Het gebrek aan gevoeligheid betekent niet dat dimmen tot boven 1 % is niet zinvol . In feite is de situatie is integendeel. Als je een LED-lampje dimmen tot 10 % , heb je zojuist hebt opgeslagen 90 % van haar energieverbruik , dat is zeer belangrijk . dimmen door elke graad is de moeite waard voor energiebesparende doeleinden, maar als je wilt een slecht verlichte kamer of theater , moet je drivers staat dimmen beneden 1 % hebben , en tot 0,1 % voor full-range dimmen . de bottom line is dat, terwijl de voordelen van dimmen in stappen boven de 1 % bereik worden vaak niet waargenomen door het menselijk oog , de energie voordelen gegenereerd door het dimmen van zelfs een paar graden kan een enorme impact hebben op energiebesparing hebben .
De flikkering controverse
Met dimmen komen flikkeren kwesties en de vraag hoeveel flikkering is te veel . In de verlichting gemeenschap , wordt flikkering gedefinieerd als het percentage fluctuatie van het licht ( of de LED-stroom ) met tweemaal de lijn frequentie, uitgedrukt als fractie van de gestage licht ( of DC stroom) door de LED.
Twintig jaar geleden , magnetische voorschakelapparaten reed tl- buizen, die een intense flits in de buurt van de piek van de power- netspanning cyclus , zodanig dat de gehele lichtopbrengst bestond uit een reeks van licht knippert tweemaal de frequentie van het lichtnet geproduceerd werd . Het gevonden dat, hoewel de meeste mensen deze fluctuatie niet kon ontdekken , sommige ontwikkelde hoofdpijn en andere stress-symptomen bij blootstelling aan het. In reactie op de ontevredenheid met magnetische ballast flikkeren, elektronische voorschakelapparatuur ontwikkeld die in staat van minder dan 2 % flikkeren , die bleek waren effectief en werd al snel de standaard voor goede kwaliteit licht.
Het probleem nog steeds wordt besproken is dat flikkeren overwegingen zijn niet eenvoudig . Moderne LED-lampjes die flikkeren hebben waarschijnlijk een 120 - Hz fluctuatie die een vlotte afwisselende variatie op tweemaal de lijn netfrequentie . Zelfs wanneer dit flikkeren bijna 100 % heeft hebben , het resulteert in een beduidend minder opvallend flikkering dan die van magnetische voorschakelapparaten . We raden de 120 - Hz rimpel in de output van een bestuurder minder dan 10 % zou moeten zijn voor Round Panel light 18W kantoorverlichting , terwijl voor LED decoratieve verlichting ( bv. , inham lichten , schansen , terreinverlichting , enz. ) , kan oplopen tot 100 % flikkeren aanvaardbaar zijn .
Dimmen methoden en flikkering
Dimmen methodologieën , kan echter van invloed flikkeren . Bij de uitgang van een LED-driver , het percentage van de rimpel op tweemaal de lijn frequentie is de parameter die overeenkomt met de flikkering in de lichtopbrengst . Veel LED-drivers produceren dimmen door het schakelen van de LED licht op en uit op een relatief hoge frequentie , een proces genaamd pulse - width modulation ( PWM ) dimmen of digitale dimmen . Het menselijk oog is volledig onbewust deze hoge frequenties en eenvoudig waarneemt minder licht .
Dimbare LED-drivers bestaan ​​, echter , Round Panel light 18W moduleren het licht aan en uit met tweemaal de lijn frequentie ; bij lage dim niveaus , kan het gevolg zijn van een partij als de lichtopbrengst van de oude magnetische voorschakelapparaten waar de flikkering gemakkelijk kan worden waargenomen Naast . Indien gebruikt met een triac dimmer , die positieve en negatieve halve cycli niet gedimd gelijk , kan een lijn frequentiecomponent de PWM die waarneembaar iedereen zal introduceren .
Andere LED- drivers produceren een uniform DC huidige niveau , die vervolgens naar beneden wordt bijgesteld om te produceren dimmen . Deze methodologie is soms aangeduid als analoge dimmen . Voor taak-en kantoorverlichting , deze benadering is de meest probleemloze soort dimmen te gebruiken, hoewel het is waarschijnlijk duurder dan digitale dimmen te zijn .

MORE info you can visit:http://www.lead-lighting.com/led-panel/round-panel-light-series.htm

Smart solid-state lighting depends on advanced controls

De energiebesparing , lange levensduur , prestaties en esthetiek van LED's kan worden geoptimaliseerd door combinatie met geavanceerde intelligente lichtsturing technologieën in zowel de residentiële en commerciële verlichtingstoepassingen , zegt PEKKA Hakkarainen .
In de afgelopen jaren hebben LED lichtbronnen zich ontwikkeld van een interessante nieuwigheid om een nieuw licht optie die kan worden gebruikt voor energiebesparing , lange levensduur en hoge prestaties in bijna elke toepassing . A 15W LED- lamp kan een 75W gloeilamp te vervangen lamp , leveren een nuttige levensduur van gemiddeld 25.000 uur , zijn dimbaar , vereisen geen opwarming , en bieden uitstekende kleurweergave .
Alleen al deze voordelen te vangen onze aandacht en zorgen voor een sterke toekomst voor LED's . Combinatie met intelligente lichtsturing technologieën die zowel de energiebesparing en esthetische voordelen van LED Panel light 18w , evenals incentives en kortingen die vaak helpen om de eerste installatie te compenseren verbeteren, leds staan een economisch aantrekkelijk alternatief voor zowel commerciële als residentiële eindgebruikers.
LED- revolutie en regelgeving
Voor de meeste consumenten , de uitfasering van de traditionele gloeilamp biedt de meest belangrijke impuls voor het investeren in LED (fig. 1 ) . De Bush - tijdperk energie-onafhankelijkheid en Security Act ( EISA 2007 ) dicteerde een meerjarige uitfasering van de meest gebruikte en inefficiënte lichtbronnen . ingang van 1 januari 2014 , de traditionele 60W en 40W gloeilampen kan niet meer worden vervaardigd of in de Verenigde Staten geïmporteerd . Dit volgt op de 100W en 75W lampen , die werden afgeschaft op 1 januari 2012 en 2013 , respectievelijk , zoals weergegeven in de tabel .
Figuur 1 . . De afbouw van de traditionele gloeilampen biedt de meest belangrijke motiverende factor voor het investeren in LED-verlichting .
Figuur 1 . . De afbouw van de traditionele gloeilampen biedt de meest belangrijke motiverende factor voor het investeren in LED-verlichting .
Halogeenlampen zijn niet getroffen door de gloeiende uitfasering , bieden dezelfde lichtopbrengst te reflector gloeilampen , en werken met standaard dimmers , maar ze geven niet de energie- efficiëntie of de lange levensduur die door gelijkwaardige LED vervangers . Figuur 2 . Toont een bemonstering van de verschillende lamp opties aangeboden in de markt .
Schroef - in LED's, met hun dalende prijzen en snelle productwijzigingen , houdt u de meest belofte voor het veranderen van de manier waarop consumenten ervaren verlichting en het leveren van aanzienlijke verlichting energiebesparing. Beyond huiseigenaren , high-end winkels , restaurants , en de horeca zijn de klanten meest waarschijnlijk rekenen op de vertrouwde lichtkwaliteit en full-range gedimd mogelijkheden van gloeilampen . Uiteindelijk LED's zijn de meest efficiënte alternatief voor gloeilampen , en de meest waarschijnlijke vervanger . echter compatibiliteit tussen LED-lampen , drivers, en controles kan verwarrend zijn , en wanneer de controles en lampen zijn niet goed gekoppeld, zullen de prestaties lijden.
Figuur 2 . . Van de verschillende opties voor het vervangen van gloeilampen , waaronder halogeen reflectoren en spaarlampen , LED's zijn de meest efficiënte alternatief .
Figuur 2 . . Van de verschillende opties voor het vervangen van gloeilampen , waaronder halogeen reflectoren en spaarlampen , LED's zijn de meest efficiënte alternatief .
In een poging om verwarring bij de consument te minimaliseren , en om het gemakkelijker maken voor de fabrikanten om lampen te ontwerpen en dimregelaars dat de fundamentele compatibiliteit te garanderen , heeft de National Electrical Manufacturer 's Association ( NEMA ) NEMA SSL gepubliceerd 7A - 2013 - Phase cut dimmen voor Solid State Lighting : Basic compatibiliteit.
NEMA SSL 7A - 2013 stelt een standaard voor de aanbevolen interface tussen de bron en het dimmen , met inbegrip van de elektrische stroom eis van de voeding intern aan moderne digitale dimmers . Volgens NEMA , " Alle dimmers en LED Light Engines ( lles ) getest tegen de in SSL 7A criteria zullen compatibel met elkaar zijn zonder de noodzaak van specifieke testen van elke lamp en dimmer koppelen . "Dit is een standaard ontwikkelen , belooft de zekerheid van compatibiliteit vooruit , maar het is nog niet in grote lijnen goedgekeurd veel bestaande producten .
De consument van vandaag moet in het controleren van informatie compatibiliteit op de verpakking van het product bij het selecteren van een lamp en de combinatie waakzaam blijven . Deze informatie kan ervoor zorgen dat de lamp de verwachte dimbereik kan leveren , en dat de controle van de best mogelijke prestaties te krijgen uit de lamp . Kijk voor een fabrikant die compatibiliteit testen mogelijk is tussen de bronnen en controles , of is geëngageerd aan het verstrekken van middelen die helpen bij het ​​selectieproces te verduidelijken . een van die bron is de online LED control Center of Excellence aangeboden door Lutron Electronics .
Aangesloten lichtbronnen
Aangesloten lichtbronnen worden ook om de markt te betreden . Dit zijn apparaten die een integraal radiozendontvanger hebben, zodat ze draadloos verbinding kunt maken met andere verlichting , net als uw pc kunt aansluiten op een printer thuis, zonder de noodzaak van een USB-kabel , met behulp van ofwel een Wi - Fi-of Bluetooth-verbinding .
In de verlichting industrie , zijn er twee soorten communicatieprotocollen worden gebruikt : open industriestandaard protocollen en eigen protocollen die typisch zijn specifiek voor een LED Panel light 36w Open protocollen , zoals ZigBee , Z - Wave of EnOcean , bieden het voordeel dat zij beschikbaar zijn . voor elke geïnteresseerde bedrijf te gebruiken , op voorwaarde dat bedrijf betaalt de contributie aan de betreffende alliantie of vereniging . het lidgeld garandeert toegang tot de documentatie om de open protocol in producten te implementeren.
Eigen protocollen zoals Lutron ClearConnect , bieden het voordeel dat de producten via het protocol doorgaans beproefd systeem in meerdere configuraties en dus minder kans op communicatie problemen . ClearConnect werkt in een rustige frequentieband met een lange en stabiele geschiedenis met betrekking wijzigingen in de regelgeving die andere frequentiebanden hebben beïnvloed . in deze band continu uitzendingen , zoals streaming video , zijn niet toegestaan ​​. Interferentie door andere systemen is minder waarschijnlijk dan in drukbezochte frequentiebanden , zorgen voor betrouwbare prestaties van het systeem .
De meerdere protocollen worden gebruikt door de industrie zijn niet per se problematisch , maar zij leggen de bewijslast bij de consument om ervoor te zorgen dat de producten die zij kiezen zijn ontworpen om samen te werken . De verlichting industrie erkent dat dit niet ideaal is voor de eindgebruiker en heeft gevormd de aangesloten verlichting Alliance - thans uit meer dan 20 partners uit de industrie - om de kwestie van de compatibiliteit tussen producten van verschillende andere fabrikanten aan te pakken .
Eerste te beginnen met normen voor residentiële ( consumenten) producten , in 2013 De aangesloten verlichting Alliance onderschreven ZigBee Light Link als de gewenste open protocol voor residentiële toepassingen . De eerste lampen en controles die ZigBee Light Link gebruiken beginnen te beschikbaar komen .

More info you can visit:http://www.lead-lighting.com/led-panel/rf-wireless-color-temperature-dimmable.htm

Is saving energy through SSL an empty promise?

We schrijven over - LED gebaseerde verlichting voortdurend , en een terugkerend thema is de energiebesparingen die kunnen worden gehouden in toepassingen van woningen tot institutionele naar commerciële door de bredere inzet van solid- state lighting ( SSL ) . Maar er kan een gremlin loer in zijn dat optimistische vooruitzichten , volgens Norman Bardsley van Bardsley Consulting . geschiedenis zou erop wijzen dat we gewoon kunnen gebruiken meer licht als de energie die nodig is om de macht verlichting in kWh wordt verminderd .
Bardsley gepresenteerd " De wereldwijde uitdaging - Meer en beter licht met minder energie " bij de 15e - jarig Strategies in Licht conferentie in februari Bardsley is heel erg een SSL voorstander , maar ook de neiging om een kritische blik op subtiliteiten in al zijn . werken . onder andere zijn klanten behoren het Amerikaanse Department of Energy (DOE ) .
Bardsley zei 300 jaar data vertelt ons dat de naties besteden een vast percentage van het bruto binnenlands product (BBP ) van waarde op licht over de geschiedenis Hij suggereerde dat het aantal zou kunnen worden in de 1 % bereik en nemen in de totale kosten van verlichting .. - bronnen , systemen en energiekosten - Bardsley zei dat we konden voor een $ 600.000.000.000 jaarlijkse productiviteit hit zijn als we niet de historische patroon te wijzigen .
Er zijn vele redenen dat mensen hun gebruik van verlichting. Technologieën zoals human - centric verlichting kan toenemen , bijvoorbeeld , zou kunnen leiden tot extra SSL-producten in woningen en kantoren geïnstalleerd . Andere gebieden van potentiële toename omvatten het gebruik in voedsel productie , meer buitenverlichting voor veiligheid en beveiliging , en natuurlijk de wereldwijde bevolkingsgroei sterk geconcentreerd in de stedelijke gebieden .
Bardsley 's talk leidt tot het idee dat we echt nodig om de wereldbevolking basis te informeren over het beste gebruik van licht als een hulpbron. Geciteerd hij een Fraunhofer studie die een toename van 47% in residentiële licht gebruik in huishoudens die gloeilampen had vervangen met outdoor LED Street Light 200w lampen. Hij zei dat andere onderzoek blijkt dat tot 50 % van de Amerikaanse huishoudens gewoon vertrekken verlichting ingeschakeld zodra ze SSL hebben aangenomen.
Daarnaast met de lange levensduur van LED - verlichting op basis zullen fabrikanten proberen meer mogelijkheden op de markt voor nieuwe verlichting producten, omdat de vervanging cyclus niet kan steunen verlichting bedrijven . Bardsley gezegd zullen we een forse omzetgroei technieken die het gebruik van nieuwe verlichting producten te stimuleren zien .
Hopelijk kan de maatschappij het ​​300 - jaar trend te breken en op een pad naar lagere energieverbruik . In een keynote speech op Lightfair International 2010 , Jim Brodrick van de DOE zei: "Dit is een van de weinige technologieën die ik heb gezien voor 20 jaar bij de afdeling die daadwerkelijk kan draaien de consumptie curve naar beneden . " En er is een aantal positieve gegevens in bepaalde regio's. Bardsley zei het Verenigd Koninkrijk is getuige geweest van een vermindering van 30 % van het energieverbruik voor residentiële verlichting te beginnen met de opname van compacte TL-verlichting in 2005 en nu weer wordt beïnvloed door SSL .
Adaptieve controles kon helpen genezen de casual overmatig gebruik van verlichting. In sommige gevallen hebben we echter tot een grotere verlichting goede bezetting te overwegen. Als er meer -efficiënte LED Street Light 200w price bij het voederen van de wereld door een betere productie-installatie of verrijken ons leven met instelbare verlichting, toen ik zou dat een goede benutting noemen . Maar we moeten ons deel doen om te voorkomen overlichtende ruimtes binnen en buiten.
Bardsley gesloten door te zeggen: "De mensen die denken dat we gaan om energie te besparen gaan waarschijnlijk teleurgesteld zijn."

More info you can visit:http://www.lead-lighting.com/led-street-light/led-street-light-200w.htm

AtomSvet LED lighting fixtures go underground on Russian construction site

In 2013 the Russian manufacturer of LED Panel light 18w  AtomSvet LLC successfully completed a large-scale project of complete lighting modernization on SMU-1 Metrostroy working site (a part of Metrostroy group of companies). AtomSvet specialists have installed more than 400 AtomSvet ® Plant LV LED luminaries on the construction site of the branch leading to Lublinsko-Dmitrovskoye depot. Complete modernization involved the replacement of existing lighting system based on LON-95 incandescent bulbs.

A prior test trial of AtomSvet luminaries on the site has shown their high quality and reliability. Test results have shown that the payback period of the new lighting fixtures is about 7 months on the site of the 1.3 km tunnel. Savings which became possible due to the modernization are about 2.5 million rubles.

The AtomSvet ® Plant LV series of luminaries is specifically designed for the use at sites with complicated operating conditions. The luminaries are characterized by a long service life, minor variations of luminous flux over time, a wide range of luminous intensity curves, and high- level protection against various contaminants.

Igor Rudenok, chief power engineer of SMU-1 Metrostroy, told about complete satisfaction with implemented modernization. He noted that AtomSvet products has proved themselves in the best way during test trials, and the replacement of incandescent bulbs with LED luminaries significantly improved the illumination quality . and degree on the construction site The chief power engineer added that AtomSvet LED luminaries have shown high reliability and stable functioning in an almost 100% humidity environment This feature is extremely important in the conditions of underground construction "Certainly -.. summarizes Igor Rudenok - the modernization significantly reduced the lighting network service and maintenance costs, as well as provided an opportunity to ensure safety on the construction site ".

About the companies

AtomSvet is a Russian manufacturer and developer of LED lighting equipment and automated lighting control systems. Today he company specialists are able to perform the full range of works related to design and manufacturing of LED lighting equipment. In addition, the company offers optimized solutions for modernization of lighting systems to achieve energy efficiency on a Customer site. AtomSvet implements the turnkey projects taking into account all the requirements of the Customer.

The company LED lighting fixtures range include the following:
lighting of low-voltage network facilities;
lighting of areas characterized by the increased degree of explosion hazard;
lighting of any Housing and Utility Sector facilities, roads, sidewalks etc.;
specialized sports facilities lighting;
efficient lighting in the most unfavorable environmental conditions.

AtomSvet is the sole Russian manufacturer which products carry CE and GS certificates.

The use of materials and component parts from globally-recognized manufacturers makes AtomSvet equipment reliable. The company has implemented strict and multiple-level production monitoring system, which guarantees production quality. Since 2012 the company has been offering the services of project co-financing, and work by energy service contracts.

Mosmetrostroy JSC is one of the largest Russian companies working in the field of infrastructure construction It is one of the most developed and oldest companies of its kind in Russia:.. It was established in 1931 Mosmetrostroy JSC accounts for construction of 179 underground stations, around 300 km of underground lines and 30 km of lines above the surface.

Mosmetrostroy JSC constructs LED Panel light 18w not only in Russia but also abroad, and actively participates in international tenders In addition, the company is a general contractor in a program organized by Moscow Government and aimed at metro system development The company performs the following works..:
construction of all types of underground tunnels, hallways and crossings, and the surface facilities connected to them;
laying tracks and branches leading to depots, and construction of other infrastructure;
laying and assembling any kind of underground technical communications;
building elevated structures for railway communication;
conducting finishing works at the metro stations and other underground facilities;
manufacturing equipment for metro-and other transport tunnels construction.

more info you can visit:http://www.lead-lighting.com/led-panel/rf-wireless-color-temperature-dimmable.htm

Finally Light challenges LED lighting with induction replacement lamp

The Finally Light Bulb Company has announced the induction-based Finally replacement lamp due this summer at a retail price below $ 8.00 for a 60W-equivalent product. The company claims that the lamp more closely mimics incandescent bulbs than do LED or compact-fluorescent (CFL ) replacement lamps while still providing considerable energy savings and much longer life relative to legacy incandescent bulbs.
Finally Light challenges LED Panel light 18w with induction replacement lamp
Finally calls their technology Acandescence, playing off the incandescent legacy. But while the company describes the approach as new and innovative, in reality the company is simply applying well-known induction technology in a light-bulb form factor.
Induction lighting is closely related to fluorescent technology. In both cases, electrodes stimulate a gas to produce ultraviolet (UV) light. In fluorescent lighting, the electrical energy is passed via conductors into the lamp. In induction lamps, the energy is magnetically coupled to electrodes that are electrically isolated inside the lamp. In either case, phosphor is required to convert the UV photons to usable light.
Induction sources
Induction lighting has been fairly broadly used in outdoor applications and in some industrial indoor applications. Induction has been described as generating a "blob of light," as we covered in an outdoor lighting article. That characteristic has meant that induction fixtures have found some success outdoors in applications such as post-top lighting for pedestrian-centric areas and less so in, say, street lighting where precise beam control is required.
A blob of light, however, can be good match for an application such as an omnidirectional bulb. Indeed, John Goscha, founder and CEO of the Finally Light Bulb Company, asserts that the induction design is the first incandescent alternative to accurately mimic the original in performance and form factor.
Goscha claims that consumers are generally dissatisfied with both CFL and LED lamps including what has become a complex buying process. He notes that some retailers have added concierges in the lighting department to help consumers choose a bulb. Goscha added, "I don't think that you should have to rely on a concierge to buy a light bulb. "
But will the Finally lamp really eliminate the need for consumers to be more educated in the light-bulb shopping process? Goscha said that consumers don't want to know about CCT, CRI, or lumens.
Simplified shopping?
The Finally lamp has the inherent iconic shape of the Edison lamp without question and a nice omnidirectional beam distribution. Goscha is quick, however, to also tout the warm light produced by the lamp. But in the case of the induction lamps, CCT is a design choice just as it is with LED or CFL lamps. The 60W-equivalent lamp that Finally intends to ship this summer delivers 2700K CCT based on the phosphor used to coat the inner globe of the lamp. And as with LED and CFL lamps, such design choices impact other operational aspects such as the power consumption and the CRI of the lamp.
Moreover, the initial Finally product features a CRI of 83, according to Goscha. Incandescent lamps have a CRI of 100. The initial Finally lamp is also not dimmable. Lack of such a feature isn't an indictment of the product as many LED and CFL lamps aren't dimmable, but of the claim that consumers can choose a Finally lamp just as they did an incandescent which is inherently dimmable. Clearly, the Finally lamp is little different from CFL and LED Panel light 36w in that ultimately consumers will need to choose the features that they desire in a lamp.
Compare to LEDs
Still, the question remains as to how the Finally lamp compares to the top LED lamps on the market. The 60W-equivalent Finally lamp is most easily compared to the Cree 60W equivalent lamp. The Finally product delivers 800 lm from 14.5W. The Cree 2700K, 800-lm lamp consumes only 9.5W.
Finally was not willing to discuss the power consumption in detail. But generally induction technology lags LED in efficiency. Moreover, the induction technology requires a significant amount of red phosphor to deliver the red spectrum required for 2700K-CCT light. That red phosphor also generates energy in the infrared spectrum that is lost as heat. LEDs that use much smaller amounts of red phosphor suffer related but far lower losses. Indeed, the Cree TW (TrueWhite) model that delivers 93 CRI uses only 13.5W, still more efficient than the Finally lamp and higher CRI inherently impacts efficiency. Moreover, the Cree lamps are dimmable.
Price will gate sales
Still, the Finally replacement lamp could find a market if the price is right. The lamp is still 75% more efficient than incandescent lamps and projected to last 15,000 hours or 15 times longer than incandescent lamps. The energy efficiency and longevity trail LED lamps but would be more than acceptable in the residential space. Moreover, some consumers will surely choose the iconic look.
We will have to see if Finally can deliver the lamps in production and priced as promised. The 60W-equivalent lamp is due in July at $ 7.99 with 75W-and 100W-equivalent products due in the fall. Goscha said the company will leverage the incandescent bulb factories that have been shuttered due to lamp efficiency regulations and manufacture the products using the same globes as used in incandescent lamps, presumably resulting in prices below LED products.
The Finally lamps do undercut the market in list price significantly. Cree reduced prices in March but the 60W-equivalent product still sells for $ 10.97. The Philips Lighting SlimStyle lamp is under $ 10 but still 20% higher than the projected Finally price.
Without question, the Finally lamp is simper electronically than LED lamps. But the design will be more impacted by phosphor prices given that the dome must be fully coated. Note that the Chinese control of rare-earth elements used in phosphor resulted in a spike in fluorescent tube prices a few years back. But Goscha said the A19 lamps use much less phosphor than, say, a T8 tube. Goscha said the phosphor makes up a "single-digit percentage" of the bill of materials for the Finally lamp.
Goscha also said the company will deliver dimmable lamps down the road. He would not explain how such lamps will operate or when they will ship. But generally fluorescent and induction lighting have been severely limited in terms of fine-grain dimmability.

More info you can visit:http://www.lead-lighting.com/led-panel/rf-wireless-color-temperature-dimmable.htm

Reading the Fine Print: Lighting Tips for Seniors

Starting at around age 40, most people notice they need more light in order to read the "fine print" -. Whether it's in a legal document or on a menu in a dimly lit restaurant As they continue to age, they may discover that good lighting becomes more important than ever.

Without good lighting, outdoor LED Street Light 200w will find it difficult to see, and limited vision may restrict their ability to remain independent.

So how can seniors adjust the lighting design in their homes to account for this increased need for good lighting? Here are a few tips to help.Place adjustable task lights, floor lamps or table lamps near favorite reading spots and work areas such as a living room easy chair or home-office desk.

To reduce shadows caused by your hand, place a floor lamp or table lamp slightly to the front and on the opposite side of the hand you write with. So, if you are right-handed, place the lamp to your left and slightly to your front. If you are left-handed, place the lamp to your right and slightly to your front.
Avoid painting walls a very dark color. Stick to lighter-colored hues.
Use LED light strips to provide lighting in places such as under cabinets and over countertops.
To make it easier to read in bed, mount a outdoor LED Street Light above your headboard but below eye level.
To avoid falls during nighttime visits to the bathroom, illuminate the path from the bedroom to the bathroom with motion-sensored night lights.
Install light switches with toggles that glow in the dark rather than "feeling the walls" for a light switch in the dark.
Use lighting controls such as dimmers and window shades to adjust the lighting to fit the occasion and time of day.
To reduce glare caused by direct sunlight, use blinds or curtains to shade your windows.
More info you can visit:http://www.lead-lighting.com/led-street-light/led-street-light-200w.htm

Arrow Electronics and Cree Plan Upcoming Lighting Fair

Arrow Electronics, Inc. And Cree, Inc. Said they have teamed with manufacturers of complementary components to host a lighting design seminar and solutions fair Dec. 1-2 at the Island Hotel in Newport Beach, Calif.
According to a release, the free, two-day event is ideal for West Coast lighting engineers, specifiers and designers, and professionals looking to accelerate the conversion to solid-state lighting.
Chuck Swoboda, chairman and chief executive officer for Cree, will kick off the event with the keynote address on the current state of the solid-state lighting market and accelerating the transition from tradition lighting to outdoor LED Street Light 200w.
Guest speakers include local energy and municipal specialists such as Michael Seaman, with UC Davis' California Lighting Technology Center, Aaron Klemm, energy project manager with the City of Huntington Beach, and Teren Abear with Southern California Edison Design and Engineering Services.
Seminars and technical training will be provided by Arrow, Cree and related manufacturers on topics such as LED design, the latest in LED drivers and controls, optics and thermal considerations, converting municipalities to LEDs and more.
"Arrow works with partners like Cree to offer customers a complete lighting solution from concept development to production," said Gary Zullo, director of Arrow's lighting segment. "As LED Street Light 200w price become more widely accepted, we'll continue to identify new ways to support our customers with the knowledge, training and tools they need to move ahead with their solid-state lighting projects. "
Manufacturers participating in the seminar and solutions fair include Analog Devices, Inc., Autec Power Systems, California Eastern Labs, Cypress Semiconductor, Diodes, Inc., Emerson Network Power, Fraen Corp., Infineon Technologies, Linear Technology, Micrel, Molex, National Semiconductor, NXP Semiconductors, ON Semiconductor, RECOM Power, STMicroelectronics, Texas Instruments, and Tyco Electronics.

More info you can visit:http://www.lead-lighting.com/led-street-light/led-street-light-200w.htm

Senior Living: Aging Eyes Need More Light

Baby boomers (born between 1946 and 1964) number 81 million in the United States, and they are now approaching retirement age. As these seniors segue into their golden years, they will have special lighting design needs.

According to AARP, 92 percent of seniors want to USA led indoor lighting wholesale in their own homes, even if this requires remodeling. Boomers are already hiring contractors and architects to make their homes more elderly friendly. They're installing ramps, widening doors and doing lots of things so they can function in these houses they love. They're re-designing their lighting to meet their needs also.

So what are seniors' lighting-design needs? Let's start with the fact that older eyes need more light to see. At the same time, they also become more sensitive to glare. Eye diseases, such as cataracts, may make it harder to see colors or visually accommodate to rooms where the lighting level is uneven.

The process of aging causes the lens of the eye to become less transparent. It develops a slight yellow tint, which changes the perception of color so they see things with a yellow cast. As the lens becomes less clear, this causes light to scatter inside the eye, which increases glare. This also results in a loss of luminosity causing seniors to need more light to perform tasks.

Two issues that affect seniors are falls and sleep disorders. Walking to the bathroom in the dark greatly increases the possibility of falls. One option would be to install an occupancy sensor in the bedroom. Another would be to place a strip of amber-colored LED lights around the bathroom door to help guide them safely.

Since as we age we produce less melatonin, sleep disorders are another common concern for seniors. Solutions to this problem could include installing residential "blackout" blinds as well as control systems and dimmers.

Other recommended lighting design changes for older people and seniors include:

Increased light levels in task areas such as kitchen counters, bathrooms and sitting rooms where reading or visually demanding work is done.

Indirect lighting rather than downlights or accent lights to soften shadows and make room lighting more uniform. Match indirect lighting with light-colored wall and ceiling surfaces to improve lighting uniformity.

Reducing glare by using diffusing shades instead of bare, bright bulbs for decorative lighting.

Adjustable task lights to easily add more Europe led outdoor lighting wholesale for hard-to-see print and small objects or details.

Dimmers so lighting levels can be adjusted for optimal seeing.

Low-level, well-shielded stair, entrance and hallway lights to make steps visible and to illuminate potential hazards.

Automatic motion sensor controls to turn on hallway or bathroom lights for easier orientation and safer walking at night.

More info you can visit:http://www.lighting-ledlight.com/index.php/tag/led-outdoor-lighting-wholesale/

Jade Sky Technologies and UC Davis Collaborate to Light the Way for Flick-Free Replacement

Jade Sky Technologies ("JST"), announces the recently completed demonstration of the technical and economic feasibility of meeting the flicker and dimming requirements set by the Voluntary California Quality led street light fixture Manufacturer Specification.

JST collaborated with UC Davis's California Lighting Technology Center (CLTC) on a project designed to further the development of replacement lamps that meet or exceed the California Quality specification. The project, supported by Pacific Gas and Electric Company (PG & E), tested the compatibility of "best-in-class" lamps with dimmers found in most homes.

JST incorporated its innovative driver architecture into commercially available lamps then submitted the lamps to CLTC for evaluation. Lab testing and characterization at CLTC confirmed that the samples met or exceeded the California Quality specification, using cost-effective and easily accessible components.

Released in December 2012 by the California Energy Commission, the California Quality Specification establishes performance criteria for incentivized LED replacement lamps. These criteria go beyond energy efficiency, with benchmarks for correlated color temperature and CRI (90 or higher, R9 over 50), as well as dimming performance and power factor. When ample products are available, the specification will be used to accelerate the adoption of LED replacement lamps through incentives provided by California's investor-owned utilities.

In addition to validating efficacy and CRI targets, test data shows the lamps submitted by JST were able to maintain a photometric flicker well below that required by California's Appliance Efficiency Regulations (Title 20), over a dimming range of 0 to 100 percent light output. The lamps also measured above the minimum standard power factor over the entire dimming range used for testing. Perhaps most noteworthy of all for lamp and luminaire manufacturers, both the omni-directional and directional lamps tested for the project exhibited smooth dimming on all seven dimmers used for testing, with no flashing, flickering, pop on, cycling or other undesirable behaviors.

JST's integrated driver solution enables smooth dimming from 100 to 0 percent when paired with a sample set of commercially available dimmers and occupancy sensors. Leveraging the benefits of standard complementary metal-oxide semiconductor (CMOS) technology, JST's driver ICs enable simple, cost-effective solutions that maintain the highest levels of efficiency and power factor.

"The transition to led street light fixture Manufacturer needs to be a satisfying experience for consumers," says CLTC Director, Michael Siminovitch, who is also the Rosenfeld Chair in Energy Efficiency at UC Davis. "Lamps need to work with the dimmers people already have in their homes , and they need to deliver the kind of light people will be happy to live with for years to come. The California Quality specification is a strategic approach to supporting this transition to more efficient lighting. "

"We are delighted that our technology has been validated as one cornerstone enabling best-in-class LED lighting, not just in a laboratory but also with the potential to spread across the globe. Our goal is to partner with lighting manufacturers to incorporate the driver solution to drive mass adoption, "says Jade Sky Technologies CEO David Chen." Only by focusing on what end consumers want in their lighting and offering them high-value products, will lighting manufacturers be able to put forth a means to achieve global energy savings . Working with CLTC and PG & E, we passionately believe that energy-efficient lighting can be made simple and economical for the user, so that meaningful energy savings will be achieved worldwide, benefitting us all. "

More info you can visit:http://www.lead-lighting.com/products/sid108-1.htm

Paragon Precision: Cost Difference Between LED and Fluorescent Lighting Shrinking

Lighting manufacturer Precision-Paragon [P2] announced that in the past three years, the cost difference between LED and fluorescent lighting has shrunk dramatically, thanks to substantial reductions in the cost of LED technology.

"We've seen the installation costs for led indoor lighting wholesale cut by more than 60 percent since 2010," said Joe Martin, [P2] 's vice president and general manager. "This drop has made the energy savings of a LED lighting retrofit attainable for many businesses. "

In 2010, the average cost per lumen of a commercial or industrial LED fixture was approximately 12 cents per lumen. Today, that cost has dropped to approximately 5 cents per lumen installed. While comparable fluorescent fixtures might cost 3 cents per lumen, the optical efficiency of LED lighting allows us to achieve the same lighting results with fewer lumens.

The cost reduction in LED lighting has been driven by several factors. "There are three primary sources behind the cost of a commercial or industrial LED fixture," explained Martin. "The cost of the LED light engine itself, the cost of the mechanical heat sink and fixture body, and the cost of the LED driver. By taking advantage of reductions in all three cost-sources, we're now able to offer LED lighting at significantly lower costs. "

As the market for LED lighting expanded dramatically over the past few years, economies of scale helped the costs of both LED light engines and drivers to come down. At the same time, new developments in LED technology made the light engines more efficient than ever.

The increased efficiency of a LED light engine not only increases the lumen output per watt of electricity; it also reduces the amount of heat produced by the fixture This in turn allows for fixtures to be designed with smaller, less expensive mechanical heat sinks..

When they were originally introduced to the market, the high initial cost for LED fixtures meant that they were limited to specialty applications where the characteristics of LED lighting provided a notable advantage. Today, with the cost of LED lighting reduced significantly, the technology has become a viable option for many energy-efficient lighting retrofits.

"led indoor lighting wholesale still generally has a slightly higher initial cost than fluorescent lighting," said Martin. "But to pick the right technology, you have to evaluate more than just the initial costs."

Over the course of a fixture's lifespan, LED lighting can often provide maintenance cost savings by requiring fewer relamp cycles than fluorescent systems. Also, some energy efficiency rebates can be tied to a specific technology, providing an incentive for business owners to pick one technology over another.

"Just a few years ago, LED lighting was a new technology with narrow applications," said Martin. "Today it's something our customers consider in nearly every energy-efficient lighting retrofit they perform."

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Chinese Experts: Samsung Large-Sized OLED Panels Takes a Break from RGB Technology

Samsung officials in China have denied recent market rumors that "the company is terminating OLED TV production capacity expansion plans," according to a China Business News report. Chinese industry insiders interviewed in the report note the company's is probably considering adjusting large-screened OLED TV production technology.

Samsung is only pausing OLED TV production expansions for 2014

A representative from Samsung's office in China refuted recent market rumors of ditching OLED TV production capacity expansion plans. "Samsung is just halting this year's OLED production expansion plans, but this doesn't mean it has given up on future expansion plans," said Display Search China Analyst Robin Wu. "Those outside the industry have misunderstood."

Samsung's small and mid-sized OLED panel revenue performance has been fairly good, said Wu. The company planned to transform an 8-inch LED commercial lighting wholesale line from amorphous silicon (a-Si) to manufacturing large-sized OLED panels to support the group's TV business. "The fact that Samsung has halted this plan indicates there are still technological challenges," noted Wu.

Σintell Vice General Manager Li Yaqin also pointed out the market has misinterpreted Samsung's recent move. Samsung's 8.5 generation production line still has an OLED panel capacity of 10,000 units, which is supplied to manufacturing its AMOLED TV. "This manufacturing volume and technological experimentation is unlikely to stop, "said Li.


Samsung's 55-inch OLED TV. (LEDinside / Samsung)
Samsung's current OLED plant expansion halt signals change of technology

The possibility of Samsung swapping large-sized OLED panel technology is still on the table, according to officials from leading Chinese display manufacturers BOE Technology Group and CSOT. Samsung's halt of OLED TV panel production might be a sign of switching technology development routes, said Zheng Zhiyuan, Director, R & D, CSOT. An industry source commented Samsung's actions "will not affect our OLED research progress, and allow us to define our development direction."

Samsung's OLED technology uses Fine Metal Mask (FMM) Low Temperature Polysilicon (LTPS) backplane with true RGB. By utilizing this OLED manufacturing method, the Korean manufacturer has been fairly successful in the small to mid-sized OLED panel market, and has even monopolized the global OLED mobile phone display market. Samsung is currently the only company incorporating LTPS backplane technology in large-sized OLEDs.

Rival company LG Display (LGD), however, has adopted a completely different OLED technology. The company has made significant breakthroughs in OLED panel yield rates, and has been actively promoting OLED TV. Under the support of LGD, Chinese color TV manufacturer Skyworth launched its first 55-inch OLED TV on May 1, 2014. The OLED TV has an online retail price of RMB 29,999 (US $ 4813.64) which is about half the price of Samsung and LG same sized OLED TVs RMB 60,000.


LGD's 55-inch OLED TV. (LEDinside / LGD)
LGD's OLED yield rates have increased to about 70% in 2014, and the company's second OLED production line will be initiated in second half of this year, said Choi Dong-yuan, President of Global Marketing at LGD. LGD's White OLED (WOLED) technology is based on oxide-TFT backplane, has been able to quickly scale up yield rates, introducing the possibility of lowering retail price, said Zeng. "Samsung has been unable to produce large volumes of large-sized OLED TV panels, and has high production cost. The company had to halt OLED TV production because of risks associated to continual production expansions. It is possible that the company will turn to WOLED technology to manufacture large-sized OLEDs, "explained Zeng. Samsung has signed many oxide-TFT backplane technology patent licenses, and has conducted plenty of research in this field, he continued. If Samsung clearly "changes course", it will carve out a definite path for Chinese OLED manufacturers to develop large-sized OLED panels using oxide-TFT and small to midsized panels using FMM LTPS backplane technologies.

BOE Technology Group has also signed oxide patent licenses. "BOE Technology Group and CSOT will continue carrying out large-sized OLED R & D," said Shi-Ming Shi, Deputy Chief of Flexible Design Institute at the company. "We have always been using oxide -TFT technology in our OLED R & D. "Samsung's paused LED commercial lighting wholesale panel expansion plans indicate the" OLED TV market penetration rate has been lower than expected, "reminded Li. LCD TV technology is advancing quickly, and has clearly higher Cost / Performance advantages. China's panel industry's OLED R & D is still focused on raising small sized panel yield rates. "Although, white light OLED TV prices have been lowered to under RMB 30,000, slashing prices to within RMB 10,000 still presents many challenges," added Li.

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China’s LED Market Scale Hits US$ 32.1 Billion

China's LED application market scale reached RMB 200 billion (Us $ 32.1 billion) in 2013, with residential lighting making up around 30 percent, according to statistics by the Guangya Academy of Lighting Research in Guangzhou. LED lighting prices have dropped a staggering 70 percent over the past two years, with LED 3W bulbs priced at around RMB 14. The market has already accepted led outdoor lighting wholesale price / performance ratio. Indoor lighting has become the largest driver for LED application market growth in China.

Lighting market scale will continue to expand, but competition will abnormally intensify, said Pan Wenbo, President of Guangya Academy of Light Research and Founder of the Guangzhou International Lighting Exhibition. Companies unable to cope will gradually drop out from the market, he continued. The dispersed industry will lead to large manufacturers prioritizing acquisition of small niche companies. Mergers will become a catalyst for industry chaos. Industry insiders believe rising industry restructure is related to government policies and investments.

The opening up of China's IPO market has made it easier for led outdoor lighting wholesale price  to become listed. China Securities Regulatory Commission (CSRC) 's recent IPO report revealed that many LED manufacturers including Edison Opto are still queuing to become listed on the Chinese bourse. The incandescent bulb ban headed by countries including the US, China, Korea, and Australia in 2014 is spreading from commercial lighting to residential lighting. This will be a substantial development driver for the LED lighting market, and bring listing incentives to LED manufacturers.

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LEDforum 2014 Gathers International Industry Experts to Create the Greatest Audio-Visual Feast

LEDforum 2014, organized by LEDinside, Cnledw.com and Guangzhou International Lighting Exhibition, will be held on June 11, 2014, it brings together global famous enterprises and professional analysts from LEDinside. The seminar at the LEDforum will dissect the current situation of LED industry from technology, market demand and other perspectives, and forecast the future market trend on the theme of led indoor lighting wholesale and the development strategy.

International LED Giants Gather to Create a Brilliant Show

LEDforum 2014 will be held during Guangzhou International Lighting Exhibition, it is an annual event that has acquired enormous importance for LED industry. Top executives from the first-tire international manufacturers like Philips Lumileds, Osram, Samsung, Seoul Semiconductor, Toyoda Gosei, LED chip giants such as Epistar and Sanan Optoelectronics, China leading LED enterprises like Honglitronic, Refond and MLS Lighting will be invited as speakers, to create an audio-visual feast.

Here, you can clearly understand global especially Chinese LED market development opportunities and see how to be the champion in the fierce competition. LEDforum 2014 is too wonderful to miss!

May Free-Packaging Chip Reach the Peak of Perfection?

With the advantages of small size and high brightness, Flip Chip LED has gradually attracted attention of lighting and backlighting market, becoming the most important developing item in this year. LEDinside chief analyst Roger Chu estimates that Flip Chip LED market revenue will rapidly grow from USD 1.5 billion in 2013 to USD 5.5 billion in 2017. For the broad market prospects, flip chip LED will become the biggest target of chip manufacturers. So, what is the advantage of Flip Chip LED? LEDinside will invite Taiwanese Epistar to professionally introduce "Free -Packaging "chip, and Sanan Optoelectronics to make a wonderful speech on" The Competitiveness of Chinese LED Chip in the International Market ".

Under the Global LED Lamp Replacing Tide, LED Enterprises to Conduct Market Layout

As the global LED lamp replacing tide comes, LED bulb and tube become the mainstream products. LED is gradually applied in commercial lighting and residential lighting. LEDinside's statistics showed that comparing with 2013, in 2014 the global demand volume for LED bulb will grow by 86 %, and that of LED tube will increase by 89%. LED lighting has ushered in the golden period of development, so, how enterprises to conduct market layout? Sean Zhou, the Asia-Pacific Marketing Director of Philips Lumileds, will dissect the topic of "Opportunities and Challenges in LED Lighting Market". Lighting giant Osram will introduce the market situation of commercial lighting and residential lighting, and Seoul Semiconductor will share their experiences of LED lighting design and applications with participants. In addition, Jiliang Lin, the general manager of MLS Lighting Marketing Center, will share their experiences about the export channels of LED lighting.

For LED Technology Reform and Innovation, Which Direction will be Chosen?

Benefiting from the increasing demand for backlight and lighting, international manufacturers has speeded up to enter China LED packaging market, while Mainland China packaging industry has achieved improvement in concentration. Immediately following the footsteps of the market, LED technology needs to keep pace with the times , then which innovation direction will be chosen by enterprises? Samsung may have more say on this question. LEDinside is honored to invite Guoqing Tang, the General Manager China of Samsung LED Department, to analyze "The Advance Direction of Global LED Technology". Ryoichi Tohmon, director of intellectual property project of Toyoda Gosei Global Marketing and Sales Department, will introduce the latest trends of white light patent. Moreover, the speakers from domestic LED packaging leaders Honglitronic and Refond will respectively make a speech on "LED Backlit Era" and "Latest LED Packaging Technology".

Moreover, analysts of led indoor lighting wholesale will present rigorous views and research achievement about 2014 global and China LED industry development trend, also forecast the future market trend.

LEDinside is a global professional market research firm for LED industry, LEDforum 2014 organized by LEDinside will be unprecedented. Welcome players in the LED industry to celebrate the event together!

A Great Seminar

Many higher executives and CEOs of LED industry have been invited here to attend LEDforum 2014, and the professional participants are from LED industry and related business around the world. LEDforum not only connects you to the notabilities in the industry, helping you gain more top- tier clients, but also provides opportunities for cooperation and an access to potential business partners.

Fees

LEDforum 2014 Guangzhou is free to attend this year, but attendance is approval / invitation-based. Please register online first. Upon the completion of your registration, you will see an online message indicating a successful registration (which means our system has your registration information ). Note that only approved inquiries will receive our online invitation letter within 7 business days of registration.

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BLT expands lighting controls based on passive infrared sensors with Danlers Collection

With energy bills soaring and the cost of living ever increasing in the UK, consumers need optimum control over their lighting solutions. BLT Direct are offering Brits the chance to control exactly when their lights are turned on and off, with the fantastic new range of Timeguard led street lighting fixture that have just launched on their expansively stocked site.
BLT expands lighting controls based on passive infrared sensors with Danlers Collection

The PIR (passive infrared sensors) take control of lighting in certain areas so consumers don't have to. Ideal for security purposes, outdoor areas, landings and hallways, the light controls automatically switch on the connected bulb when the sensor detects a person is present; if someone walks up a driveway at night, if someone emerges onto the landing for a midnight bathroom break or if a light is needed to manoeuvre the car into the garage on dark evenings, the high-quality Timeguard lights will automatically switch on and provide bright illumination.

It's great news for those who are watching their budgets The PIR solutions mean that people all over the country don't need to leave lights on all night long in order to enjoy illumination when they need it most;. The sensors will switch on the light when they need it, and if they detect no movement after a certain amount of time has passed, the lights will be turned off, conserving energy and lowering bills dramatically.

Steven Ellwood, Managing Director of BLT Direct, says, "The addition of these Timeguard PIR solutions is fantastic for those who really want to get a grip on their electricity and energy outgoings. Every household should have the ability to exert supreme control over their lighting solutions, and this is one of the best ways to do so. For just over £ 30.00, consumers can be given the means to save hundreds on their electricity bills without compromising on high-quality lighting. "

He adds, "The addition of the Timeguard range again proves our commitment to both high-quality and superb value at BLT Direct, and we are thrilled that we can offer such savings on big name brands to our clients."

The Timeguard range has a variety of different options for those who would like to implement a PIR solution into their homes. There are time delay switches, 'night eye' controllers which use infrared sensors to detect movement in the dark, and a variety of remote controlled devices that offer the user optimum control over timers and settings. led street lighting fixture to be had, Brits simply cannot afford to miss out on these superb time control solutions from BLT Direct.

To explore BLT Direct's full range of lighting solutions, visit the BLT Direct website.

About BLT Direct: BLT Direct are an online supplier of lighting solutions They provide a wide range of lighting products, as well as light fittings and lamp disposal services, and are committed to offering energy efficient solutions to meet a wide range of home and business. lighting needs.

More info you can visit:http://www.lead-lighting.com/products/sid108-1.htm