28 September 2009

Cree claims most lighting class LEDs for designing Energy Star compliant LED fixtures

LED lighting specialist, Cree has announced that it has the most lighting class LEDs meeting the US Department of Energy (DOE) Energy Star performance criteria, offering fixture manufacturers an option when designing with XLamp XR-E, XP-E or MC-E white LEDs.

The DOE's 'Energy Star Manufacturer's Guide for Qualifying Solid State Lighting Luminaires' requires that LED fixture manufacturers seeking Energy Star Category A approval test their luminaires for a minimum of 6000 hours (approximately nine months) to demonstrate the product's long term lumen maintenance. In lieu of performing this lengthy and costly testing, the DOE will accept an LED manufacturer's lumen maintenance data if the LEDs are tested to the Illuminating Engineering Society (IES) approved method for 'Measuring Lumen Maintenance of LED Light Sources," LM-80-08.

The DOE accepts Cree's IES LM-80 test data for the Cree XLamp XR-E, XP-E and MC-E LEDs. This LM-80 test data can be submitted by luminaire manufacturers (along with the appropriate LM-79 optical and electrical data) to the DOE for ENERGY STAR approval of both 25,000 hour residential and 35,000 hour commercial lighting products.

Cree's director of marketing, LED components, Paul Thieken, said: "Cree has the broadest family of lighting class LEDs accepted by the DOE for use in Energy Star products. Our customers can avoid expensive and prolonged fixture testing by designing in XLamp XR-E, XP-E or MC-E LEDs. Cree XLamp LEDs were also the first to be binned to ANSI C78.377A chromaticity back in 2007 and feature excellent white-point stability--further simplifying the design of LED fixtures to meet Energy Star requirements."

Author
Chris Shaw

Supporting Information

Websites
http://www.cree.com

Companies
Cree Inc

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