期刊
IEEE TRANSACTIONS ON ELECTRON DEVICES
卷 57, 期 1, 页码 101-107出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TED.2009.2035028
关键词
Blue phosphorescent; charge balance; FIrpic; microcavity; organic light-emitting diode (OLED); triplet exciton
资金
- Department of Energy Office of Energy Efficiency and Renewable Energy [DE-FC26-06NT42855]
In this paper, we will show our latest results on high-efficiency blue phosphorescent organic light-emitting diodes (PHOLEDs). Effects of triplet exciton confinement, exciton energy transfer and charge trapping, and charge balance on iridium(III)bis[(4,6-di-fluorophenyl)-pyridinato-N,C2'] picolinate (FIrpic)-based blue PHOLEDs will be presented. By optimizing the aforementioned device parameters, a high-efficiency blue PHOLED with 59 cd/A (48 lm/W at 100 cd/m(2)) was demonstrated.
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