Blue top-emitting organic light-emitting devices using Alq3 as phase shift adjustment layer

被引：0
|
作者：
孟彦龙 [1 ]
谢文法 [2 ]
谢国华 [2 ]
吴丰民 [2 ]
赵毅 [2 ]
侯晶莹 [2 ]
刘式墉 [2 ]
机构：
[1] Institute of Microelectronics, Chinese Academy of Sciences
[2] State Key Laboratory on Integrated Optoelectronics, Jilin University
来源：
Optoelectronics Letters | 2011年 / 7卷 / 02期
关键词：
Blue top-emitting organic light-emitting devices using Alq3 as phase shift adjustment layer;
D O I：
暂无
中图分类号：
TN312.8 [];
学科分类号：
0803 ;
摘要：
Blue top-emitting organic light-emitting devices (TEOLEDs) are demonstrated by employing Alq3 as phase shift adjustment layer (PSAL) to increase the phase shift on reflection of the top electrode within a range, which also improves the light out-coupling. By adjusting the thickness of PSAL, the CIEx,y of devices, which utilize 2, 7-Di-pyrenyl-9, 9-spiro-bifluorene (DPSF) as emitting layer, changes from (0.16, 0.50) to (0.18, 0.37). The maximum current efficiency of 7.1 cd/A is acquired under 4.5 V with an increasing luminance of 139 cd/m2. Compared with adjusting the total thickness of organic layer, it is more beneficial for achieving blue TEOLEDs with high efficiency.
引用
收藏
页码：126 / 128
页数：3
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