Low Driving Voltage, High Quantum Efficiency, High Power Efficiency, and Little Efficiency Roll-Off in Red, Green, and Deep-Blue Phosphorescent Organic Light-Emitting Diodes Using a High-Triplet-Energy Hole Transport Material

被引:88
作者
Cho, Yong Joo [1 ]
Lee, Jun Yeob [1 ]
机构
[1] Dankook Univ, Dept Polymer Sci & Engn, Yongin 448701, Gyeonggi, South Korea
关键词
PHOSPHINE OXIDE; HOST MATERIAL; DEVICES; ELECTROPHOSPHORESCENCE; OLEDS; GAP;
D O I
10.1002/adma.201102045
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Improved device performance in red, green, and deep-blue phosphorescent organic light-emitting diodes is achieved using a new high-triplet-energy hole transport material. The driving voltage is lowered and the power efficiency is improved by more than 70% using the new hole transport material.
引用
收藏
页码:4568 / +
页数:6
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