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Optimizing blue iridium complex and orange-red osmium complex doping concentrations to improve phosphorescent white organic light emitting diodes

✍ Scribed by Teh-Chao Liao; Hsueh-Tao Chou; Fuh-Shyang Juang; Yu-Sheng Tsai; Shun-Hsi Wang; Vuhoang Tuan; Yun Chi


Book ID
113514003
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
575 KB
Volume
11
Category
Article
ISSN
1567-1739

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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