Blue-light emitting diodes and flat display based on poly (p-phenylenevinylene) copolymers

被引：0
|
作者：
Dongge Ma
Xiaojiang Zhao
Zhiyong Hong
Daike Wang
Xiabin Jing
Fosong Wang
机构：
[1] Chinese Academy of Sciences,Changchun Institute of Applied Chemistry
来源：
Science in China Series B: Chemistry | 1998年 / 41卷
关键词：
poly (; -phenylenevinylene); electroluminescence; blue-light emitting diode; flat display;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Copolymers containing alternating flexible aliphatic blocks and rigid poly (p-phenylenevinylene) (PPV) blocks were synthesized and characterized. It was found that the fluorescent intensity increases with increasing length of the flexible blocks. Bright blue-light emitting diodes were fabricated using PPV copolymers as electroluminescent layers. The devices show 190 cd/m2 light-emitting brightness at 460 nm and 15 V turn-on voltage. The effects of oxadiawle derivative PBD and tris(8-hydroxyquinoline) aluminum Alq3 electron-transporting layers on the luminance and stability of the devices are discussed.
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页码：272 / 277
页数：5
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