White electroluminescent devices using polymer blends

被引：0
|
作者：
Hwang, DH [1 ]
Lee, JI [1 ]
Lee, CH [1 ]
机构：
[1] Kumoh Natl Inst Technol, Dept Appl Chem, Kumi 730701, South Korea
来源：
ORGANIC AND POLYMERIC MATERIALS AND DEVICES | 2003年 / 771卷
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
White light-emitting devices were fabricated using the blends of blue, green, red emissive polymers of poly [9,9-(2'-ethylhexyl)fluorene] (PEHF), poly(9,9-dioctylfluorene-2,7-vinylene) (POFV), poly(2-(3',7'-dimethyloctyloxy)-5-methoxy-1,4-phenylene-1-cyanovinylene) (CN-PPV) and poly(2-(2'-ethylhexyloxy)-5-methoxy-1,4-phenylenevinylene) (MEH-PPV). Inefficient energy transfers between the blue polymer and the green or the red polymer, which was observed in PL spectra of the blend films, provides a good opportunity to get white light emission due to better blend ratio controllability. The EL devices were fabricated with ITO/PEDOT/blend/Ca/Al configuration and good white light-emission was obtained for a certain blend ratio. The fight-emission was observable from 4V and a maximum brightness of 400 cd/m(2) was obtained with the device.
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页码：93 / 98
页数：6
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