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High‐Efficiency Single Emissive Layer White Organic Light‐Emitting Diodes Based on Solution‐Processed Dendritic Host and New Orange‐Emitting Iridium Complex
Author(s) -
Zhang Baohua,
Tan Guiping,
Lam ChingShan,
Yao Bing,
Ho CheukLam,
Liu Lihui,
Xie Zhiyuan,
Wong WaiYeung,
Ding Junqiao,
Wang Lixiang
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201104758
Subject(s) - iridium , materials science , orange (colour) , oled , optoelectronics , diode , white light , host (biology) , layer (electronics) , nanotechnology , optics , organic chemistry , ecology , chemistry , physics , biology , catalysis
An extremely high‐efficiency solution‐processed white organic light‐emitting diode (WOLED) is successfully developed by simultaneously using an ideal dendritic host material and a novel efficient orange phosphorescent iridium complex. The optimized device exhibits forward‐viewing efficiencies of 70.6 cd A −1 , 26.0%, and 47.6 lm W −1 at a luminance of 100 cd m −2 , respectively, promising the low‐cost solution‐processed WOLEDs a bright future as the next generation of illumination sources.