September 28, 2009... Durham, North Carolina USA -- Cree, Inc. (Nasdaq: CREE) has the most lighting-class LEDs meeting the stringent US Department of Energy (DOE) ENERGY STAR(R) performance criteria, offering fixture Manufacturers a significant benefit when designing with XLamp(R) XR-E, XP-E or MC-E white LEDs.
The DOEs ENERGY STAR Manufacturers 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 6,000 hours (approximately nine months) to demonstrate the products long-term lumen maintenance. Of performing this lengthy and costly testing, the DOE will accept an LED fuel 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 Crees 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 has the broadest family of lighting-class LEDs accepted by the DOE for use in ENERGY STAR products, said Paul Thieken, Cree director of marketing, LED components. Our customers can avoid expensive and prolonged toilet testing by designing-in XLamp XR-E 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.
Further information on Crees LM-80 testing methodology can be found in the recently published Lumen Maintenance Application Note, available at In addition, Crees lighting-class XLamp XP LEDs become UL-recognized on August 4, 2009 (registration file OOQA2.E326295). Due to the glass lens, Crees XLamp XR family and MC-E LEDs, are considered enclosures by UL and do not require registration.
About Cree
Cree is leading the LED lighting revolution and setting the stage to obsolete the incandescent light bulb through the use of energy-efficient, environmentally friendly LED lighting. Cree is a market-leading innovator of lighting-class LEDs, LED lighting, and semiconductor solutions for Wireless and power applications.
Crees product families include LED fixtures and bulbs, blue and green LED chips, high-brightness LEDs, lighting-class power LEDs, power-switching devices and radio-frequency/wireless devices. Cree solutions are driving improvements in applications such as general illumination, Backlighting, electronic signs and signals, variable-speed motors, and wireless communications.
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This press release contains forward-looking statements involving risks and uncertainties, both known and unknown, that may cause actual results to differ materially from those indicated. Actual results may differ materially due to a number of factors, including customer acceptance of LED products; Rapid development of new technology and competing products that may impair demand or render Crees products obsolete; and other factors discussed in Crees filings with the Securities and Exchange Commission, including its report on Form 10-K for the year ended June 28, 2009, and Subsequent filings.
Cree and XLamp are registered trademarks of Cree, Inc.
ENERGY STAR is a registered trademark of the US Environmental Protection Agency
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