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Cree Achieves
186 Lumens per Watt from a High-Power LED

High-Performance Chip and R&D Package Combine for Record-Setting Efficacy

Cree, Inc. Press Release

FlashlightNews.org - 12/1/2009


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Cree XLamp® XR-E LED

Cree XLamp® XR-E LED

DURHAM, N.C. - Cree, Inc. (Nasdaq: CREE), a market leader in LED lighting, announces it has achieved industry-best reported R&D results of 186 lumens per watt for a white power LED.

This result demonstrates Cree's continued focus on pushing the performance of its LEDs. Cree's tests confirmed that the LED produced 197 lumens of light output and achieved 186 lumens per watt efficacy at a correlated color temperature of 4577K. The tests were conducted under standard LED test conditions at a drive current of 350mA, at room temperature.

"This result is a testament to the tremendous progress Cree has made this year," said John Edmond, Cree co-founder and director of advanced optoelectronics. "As energy efficiency becomes increasingly important in addressing our nation's energy challenges, Cree is doing its best to deliver the most energy-efficient LED technology possible."

While this level of performance is not yet available in Cree's production LEDs, Cree continues to offer volume quantities of the industry's broadest family of 100+ lumen LEDs.

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 solutions, and semiconductor solutions for backlighting, wireless and power applications.

Cree's product families include recessed LED down lights, 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, electronic signs and signals, variable-speed motors, and wireless communications.

For additional product and company information, please refer to CreeLEDlighting.com.







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