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Angle-tuned, evanescently-decoupled reflector for high-efficiency red light-emitting diode

✍ Scribed by Kim, Sun-Kyung; Cho, Hyun K.; Park, Kyung K.; Jang, Junho; Lee, Jeong S.; Park, Kyung W.; Park, Youngho; Kim, Ju-Young; Lee, Yong-Hee

Book ID
115409095
Publisher
Optical Society of America
Year
2008
Tongue
English
Weight
663 KB
Volume
16
Category
Article
ISSN
1094-4087

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## Abstract We report a high power efficiency (PE) of 44.7 ± 0.5 lm/W, high external quantum efficiency (EQE) of 19.7 ± 0.1% at 500 Cd/m^2^, and efficiency roll‐off of only 4% of the peak value at a useful brightness of 1000 Cd/m^2^ from orange‐red emitting, organic light emitting diodes featuring