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

页码：126 / 128

页数：3

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