Invention Grant
US07666525B2 Organic electroluminescent device comprising a polymer layer containing a polymide having triphenylamine derivative unit
有权
包含含有具有三苯基胺衍生物单元的聚酰亚胺的聚合物层的有机电致发光器件
- Patent Title: Organic electroluminescent device comprising a polymer layer containing a polymide having triphenylamine derivative unit
- Patent Title (中): 包含含有具有三苯基胺衍生物单元的聚酰亚胺的聚合物层的有机电致发光器件
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Application No.: US11315221Application Date: 2005-12-23
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Publication No.: US07666525B2Publication Date: 2010-02-23
- Inventor: Myung-Sup Jung , Byung-Hee Sohn , Tae-Woo Lee
- Applicant: Myung-Sup Jung , Byung-Hee Sohn , Tae-Woo Lee
- Applicant Address: KR Giheung-Gu, Yongin, Gyunggi-Do
- Assignee: Samsung Mobile Display Co., Ltd.
- Current Assignee: Samsung Mobile Display Co., Ltd.
- Current Assignee Address: KR Giheung-Gu, Yongin, Gyunggi-Do
- Agent Robert E. Bushnell, Esq.
- Priority: KR10-2004-0117962 20041231
- Main IPC: H01L51/54
- IPC: H01L51/54 ; H05B33/14 ; C08G73/10
Abstract:
An organic EL device has a layer containing a polyimide having a triphenylamine derivative (TPD) unit. The use of the polyimide as a polymer layer material can ensure solvent selectivity in coating the light-emitting layer and the organic EL device exhibits good luminance efficiency even after a prolonged period use.
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