news digest ♦ LEDs LEDs
Samsung touts COB LED packages with super high efficacy
The InGaN/GaN MQW LEDs with improved light efficacy will be available in the market next month and will be updated to have a CRI above 90 in the first half of the year
Samsung Electronics Co., Ltd., has said it has raised the light efficacy for its chip-on-board (COB) family of LED packages to the highest in the industry.
In addition, by leveraging the chromaticity control standard 3-step MacAdam ellipses, the LC series offer high colour uniformity and light quality. The packages also provide low thermal resistance and superior heat dissipation which enable high reliability, and have successfully completed LM-80 testing, a widely observed test method for lumen maintenance developed by the Illuminating Engineering Society.
The Samsung LC series has been available in 2700K, 3000K, 4000K and 5000K versions, with a 3500K version now added. Samsung’s latest LC series also offers a diversity of wattages coming in 13W, 26W and 40W versions depending on the LED product with which the packages are used.
Cree redefines the troffer market
The firm says its new ZR series LED troffer delivers excellent light quality and aesthetics for under $100
Cree says it is redefining commercial lighting with the ZR series LED troffer.
The new troffers deliver a new category of performance, affordability and inspired design.
Featuring Cree TrueWhite Technology, the ZR Series LED troffer delivers superior colour quality (> 90 CRI) in an ultra slim, sleek package at an initial price starting from $99.
Samsung COB InGaN/GaN LC
The improved COB type LC series offers a light efficacy of 130lm/W at 3000K CCT (Correlated Colour Temperature) and 143lm/W at 5000K with a CRI (Colour Rendering Index) over 80.
This represents a significant improvement from 120lm/W at 3000K and 129lm/W at 5000K respectively, the light efficacy levels that Samsung has been offering with its LC series since April. Using its phosphor technology and chip fabrication techniques, Samsung developed the LC series enhancement to provide greater differentiated value to its customers.
Samsung’s LC series is also Zhaga-compliant, making the packages highly convenient in assembling most LED lighting products. By enabling exceptional design efficiency for LED lighting, Samsung’s latest LC series is expected to be applied in a wide range of interior LED lighting applications including downlights, spotlights and directional retrofits such as MR/PAR lamps.
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www.compoundsemiconductor.net January / February 2014 Cree ZR series troffer
The ZR Series LED troffer cuts energy consumption in half, and with standard 0-10V dimming can accelerate its already rapid two-year payback. This is based on energy consumption and payback calculated against a fluorescent three-lamp fixture (with lamp and ballast
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