Angle-stable top-emitting white organic light-emitting devices employing a down-conversion layer

被引：7
|
作者：
Liu, Shihao [1 ]
Wen, Xuemei [1 ]
Liu, Wenbo [1 ]
Zhang, Wei [1 ]
Yu, Jing [1 ]
Xie, Wenfa [1 ]
Zhang, Letian [1 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
来源：
CURRENT APPLIED PHYSICS | 2014年 / 14卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Woled; Top-emitting; Down-conversion layer; COLOR CONVERSION; DIODES; BLUE;
D O I：
10.1016/j.cap.2014.08.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Angle-stable white top-emitting organic light-emitting devices (WTEOLEDs) by the combination of a blue TEOLED with a down-conversion (DC) layer are demonstrated. The DC layer is composed of red fluorescent dye doped in a host of tris (8-hydroxy-quinolinato) aluminum. The TEWOLED shows a CIE coordinates of (0.240, 0.332) and a maximum current efficiency of 3.95 cd/A. Furthermore, the WTEOLED shows excellently angle-stable characteristic, the CIE coordinates at 20 mA/cm(2) only shift by (0.023, -0.007) from 0 degrees to 60 degrees. It can be attributed to the angle-stable blue TEOLED based on the Ag/Ge/Ag transparent cathode. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：1451 / 1454
页数：4
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