EFFICIENT ELECTROLUMINESCENCE OF DISTYRYLARYLENE WITH HOLE TRANSPORTING ABILITY

被引:45
作者
HOSOKAWA, C
TOKAILIN, H
HIGASHI, H
KUSUMOTO, T
机构
[1] Central Research Laboratories, Idemitsu Kosan Co., Ltd., Sodegaura, Chiba 299-02
关键词
D O I
10.1063/1.359650
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report that organic electroluminescence devices with a hole transporting emitting layer composed of distyrylarylene derivatives realized highly efficient and bright emission in the blue-green region. Luminous efficiency was obtained to be 2.1 lm/W in the low-luminance region (135 cd/m(2)) using an indium tin oxide/emitting layer/electron transporting layer/Mg:Ag structure. The external quantum efficiency was estimated to be about 1.5%. The highest luminance was obtained to be 4000 cd/m(2) for the device. (C) 1995 American Institute of Physics.
引用
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页码:5831 / 5833
页数:3
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