InGaN Light-Emitting Diodes on c-Face Sapphire Substrates in Green Gap Spectral Range
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概要
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High-efficiency InGaN light-emitting diodes (LEDs) in the ``green gap'' range were fabricated on c-face sapphire (0001) substrates. Optical properties were enhanced by band engineering of active layers and optimization of growth conditions. Output power and external quantum efficiency of 11.0 mW and 24.7% for a 559 nm green-yellow LED and 4.7 mW and 13.3% for a 576 nm yellow LED with the injection current of 20 mA were achieved, respectively.
- 2013-11-25
著者
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Nunoue Shinya
Corporate Research And Development Center Toshiba Corporation
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SAITO Shinji
Corporate Research & Development Center, Toshiba Corporation
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Hwang Jongil
Corporate R&D Center, Toshiba Corporation, Kawasaki 212-8582, Japan
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Hashimoto Rei
Corporate R&D Center, Toshiba Corporation, Kawasaki 212-8582, Japan
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Nunoue Shinya
Corporate R&D Center, Toshiba Corporation, Kawasaki 212-8582, Japan
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