- 专利标题: Heterocyclic compounds, materials for light emitting devices and light emitting devices using the same
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申请号: US10224377申请日: 2002-08-21
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公开(公告)号: US06656612B2公开(公告)日: 2003-12-02
- 发明人: Hisashi Okada , Toshihiro Ise
- 申请人: Hisashi Okada , Toshihiro Ise
- 优先权: JPP.11-207957 19990722; JPP.2000-80734 20000322
- 主分类号: H05B3314
- IPC分类号: H05B3314
摘要:
Disclosed is a material for a light emitting device excellent in color purity, good in light emitting characteristics and excellent in stability, which consists of a compound represented by the following general formula (I): L&Parenopenst;A)m (I) wherein A represents a heterocyclic group in which two or more aromatic heterocycles are condensed; m represents an integer of 2 or more, and the heterocyclic groups represented by A may be the same or different; and L represents a connecting group.
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