Highly efficient pure white phosphorescent organic light-emitting diodes using a deep blue phosphorescent emitting material

被引：32
|
作者：
Yook, Kyoung Soo [1 ]
Jeon, Soon Ok [1 ]
Joo, Chul Woong [1 ]
Lee, Jun Yeob [1 ]
Kim, Myung Seop [2 ]
Choi, Hong Seok [2 ]
Lee, Seok Jong [2 ]
Han, Chang-Wook [2 ]
Tak, Yoon Heung [2 ]
机构：
[1] Dankook Univ, Dept Polymer Sci & Engn, Yongin 448701, Gyeonggi Do, South Korea
[2] LG Display Co Ltd, OLED R&D Dept, Paju Si 413811, Gyeonggi Do, South Korea
来源：
ORGANIC ELECTRONICS | 2009年 / 10卷 / 04期
关键词：
Pure white emission; High efficiency; Deep blue phosphorescent device; HOST;
D O I：
10.1016/j.orgel.2009.02.023
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A high efficiency pure white phosphorescent organic light-emitting diode was developed by combining a deep blue emitting phosphorescent dopant material with red/green phosphorescent emitting materials. A simple stack structure of blue/red:green was used and tris((3,5-difluoro-4-cyanophenyl)pyridine) iridium was used as a deep blue emitting phosphorescent dopant. A pure white emission with a color coordinate of (0.29, 0.31) and a very high current efficiency of 28 cd/A was obtained after managing the device architecture of the all phosphorescent white devices. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：681 / 685
页数：5
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