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P‐196: High Efficiency Blue Phosphorescence Organic Light Emitting Device with Novel CbzBZ host
Author(s) -
Lin Chi-Feng,
Lin Guan-Ting,
Chan Shu-Yun,
Leung Man-Kit,
Chiu Tien-Lung,
Lee Jiun-Haw
Publication year - 2017
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.12057
Subject(s) - phosphorescence , iridium , oled , common emitter , optoelectronics , materials science , doping , host (biology) , electrical efficiency , blue light , quantum efficiency , layer (electronics) , chemistry , power (physics) , optics , nanotechnology , organic chemistry , fluorescence , ecology , physics , quantum mechanics , biology , catalysis
The high efficiency blue phosphorescent organic light‐emitting device with the wide bandgap host material CbzBZ as the host material and bis[2‐(4,6‐difluorophenyl)pyridinato‐C2,N](picolinato)iridium(III) (FIrpic) as blue emitter was demonstrated. After the adjustment of FIrpic doping ratio and thickness of emitting layer, the optimums device showed the current efficiency of 61.05 cd/A, power efficiency of 63.51 lm/W, and EQE over 28%.