发明申请
- 专利标题: Light emitting element, light emitting device, and electronic device
- 专利标题(中): 发光元件,发光器件和电子器件
-
申请号: US10588993申请日: 2005-11-28
-
公开(公告)号: US20070172699A1公开(公告)日: 2007-07-26
- 发明人: Harue Nakashima , Ryoji Nomura , Hiroko Abe , Satoshi Seo , Junichiro Sakata , Daisuke Kumaki , Hisao Ikeda
- 申请人: Harue Nakashima , Ryoji Nomura , Hiroko Abe , Satoshi Seo , Junichiro Sakata , Daisuke Kumaki , Hisao Ikeda
- 申请人地址: JP KANAGAWA-KEN JAPAN 243-0036
- 专利权人: SEMICONDUCTOR ENGERGY
- 当前专利权人: SEMICONDUCTOR ENGERGY
- 当前专利权人地址: JP KANAGAWA-KEN JAPAN 243-0036
- 优先权: JP2004-347903 20041130
- 国际申请: PCT/JP05/22226 WO 20051128
- 主分类号: H01L51/54
- IPC分类号: H01L51/54
摘要:
An object of the present invention is to provide a light emitting element which has low driving voltage and can increase lifetime longer than a conventional light emitting element. One feature is to include a plurality of layers which includes a layer containing a light emitting substance between first and second electrodes, in which at least one layer of the plurality of layers contains a carbazole derivative represented by General Formula (1) and a substance having an electron accepting property with respect to the carbazole derivative represented by General Formula (1). By employing this structure, the above object can be achieved.
公开/授权文献
信息查询
IPC分类: