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Lumencor Inc. - Power of Light 4-24 LB

Nitres Reports High-Efficiency LEDs

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Researchers from Nitres Inc. of Westlake Village, Calif., have announced that they have developed an InGaN-based LED with a quantum efficiency of 20 percent. The near-UV/violet diode displays 405-nm emission, and has an output of 12 mW at 20 mA and an overall output of 12 percent.

Nitres will investigate the production of high-efficiency LEDs at wavelengths that better match the absorption bands of phosphors used in solid-state white-light illumination. White-light LEDs excite phosphors with UV or near-UV light and color-mix their emissions to approximate achromatic light. They have the potential for efficiencies two to three times that of incandescent bulbs and lifetimes of five to 10 years.
Stanley Electric Co. Ltd. - IR Light Sources 4/24 MR

Published: April 2000
ConsumerLight SourcesResearch & TechnologyTech PulseLEDs

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