发明授权
- 专利标题: Organic electroluminescence element
- 专利标题(中): 有机电致发光元件
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申请号: US11516285申请日: 2006-09-06
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公开(公告)号: US07592075B2公开(公告)日: 2009-09-22
- 发明人: Tomohiro Oshiyama , Hiroshi Kita , Taketoshi Yamada
- 申请人: Tomohiro Oshiyama , Hiroshi Kita , Taketoshi Yamada
- 申请人地址: JP
- 专利权人: Konica Corporation
- 当前专利权人: Konica Corporation
- 当前专利权人地址: JP
- 代理机构: Cantor Colburn LLP
- 优先权: JP2002-110303 20020412
- 主分类号: H01L51/54
- IPC分类号: H01L51/54
摘要:
An organic electroluminescence element is disclosed which comprises a hole transporting layer containing a hole transporting material, a light emission layer containing a host compound and a phosphorescent compound, a hole blocking layer, and an electron transporting layer, the host compound having a band gap of from 3.3 eV to 5 eV, and having a molecular weight of not less than 500, and relationship c
公开/授权文献
- US20070015008A1 Organic electroluminescence element 公开/授权日:2007-01-18
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