High-efficiency white organic light-emitting devices based on multiple quantum-well structure

被引：0
|
作者：
Duan, Y [1 ]
Hou, JY [1 ]
Wu, ZJ [1 ]
Cheng, G [1 ]
Zhao, Y [1 ]
Liu, SY [1 ]
机构：
[1] Jilin Univ, Natl Lab Integrated Optoelect, Changchun 130023, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2004年 / 21卷 / 03期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report the white organic-light devices (WOLEDs) employing a multiple quantum-well (MQW) structure, which consist of alternate layers of 4,48-bis(2,28-diphenylvinyl)-1,18-biphenyl (DPVBi) and (DPVBi:Rubrene) as the potential barrier and the potential well, respectively. The results demonstrate that the MQW structure can prominently increase the performance of WOLEDs, the double quantum well device exhibits the efficiency up to 5.4 cd/A, and yields a peak luminance of 14206 cd/m(2). It is also interesting to find that the MQW structure can enhance the colour stability of WOLEDs at different voltages.
引用
收藏
页码：534 / 536
页数：3
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