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

页码：681 / 685

页数：5

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