发明授权
- 专利标题： Organic electroluminescent element having improved durability
- 专利标题（中）： 具有改善的耐久性的有机电致发光元件
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申请号： US142970申请日： 1993-10-29
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公开(公告)号： US5449564A公开(公告)日： 1995-09-12
- 发明人: Yoshitaka Nishio , Takeshi Sano , Masayuki Fujita , Takanori Fujii , Yuji Hamada , Kenichi Shibata
- 申请人： Yoshitaka Nishio , Takeshi Sano , Masayuki Fujita , Takanori Fujii , Yuji Hamada , Kenichi Shibata
- 申请人地址： JPX Osaka
- 专利权人： Sanyo Electric Co., Ltd.
- 当前专利权人： Sanyo Electric Co., Ltd.
- 当前专利权人地址： JPX Osaka
- 优先权： JPX4-291357 19921029; JPX4-291358 19921029
- 主分类号： C09K11/06
- IPC分类号： C09K11/06 ; H05B33/14
摘要：
There is disclosed an EL element having at least one layer made from an organic material between an electron injection electrode and a hole injection electrode. The organic material consists of an oxadiazole series compound which has a plurality of oxadiazole rings, each of the oxadiazole rings being substituted by a condensed polycyclic aromatic group.
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