THE PLASTIC LED - A FLEXIBLE LIGHT-EMITTING DEVICE USING A POLYANILINE TRANSPARENT ELECTRODE

被引:96
作者
GUSTAFSSON, G
TREACY, GM
CAO, Y
KLAVETTER, F
COLANERI, N
HEEGER, AJ
机构
[1] UNIAX Corporation, Santa Barbara, CA 93111
关键词
D O I
10.1016/0379-6779(93)90568-H
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We describe a light-emitting device that is mechanically flexible; it can be sharply bent and curled without failure. These properties are obtained by using poly(ethylene terephthalate), PET, coated with a thin film of polyaniline as a flexible transparent hole-injecting electrode and soluble semiconducting polymer poly(2-methoxy,5-(2'-ethyl-hexoxy)-1,4-phenylenevinylene), MEH-PPV, as the emissive layer. The electroluminescent properties of this ''plastic'' light-emitting diode are the same as those of devices based on indium-tin oxide (ITO) hole injecting contacts, with a turn-on voltage of 2-3 Volts and an external quantum efficiency of about 1%.
引用
收藏
页码:4123 / 4127
页数:5
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