发明申请
- 专利标题： LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS
- 专利标题（中）： 发光装置和显示装置
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申请号： US12123234申请日： 2008-05-19
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公开(公告)号： US20090072721A1公开(公告)日： 2009-03-19
- 发明人: Kengo Kishino , Shinjiro Okada , Akira Tsuboyama , Satoshi Igawa , Manabu Furugori , Hironobu Iwawaki
- 申请人： Kengo Kishino , Shinjiro Okada , Akira Tsuboyama , Satoshi Igawa , Manabu Furugori , Hironobu Iwawaki
- 申请人地址： JP Tokyo
- 专利权人： CANON KABUSHIKI KAISHA
- 当前专利权人： CANON KABUSHIKI KAISHA
- 当前专利权人地址： JP Tokyo
- 优先权： JP2003-305851 20030829; JP2004-225630 20040802
- 主分类号： H01J1/63
- IPC分类号： H01J1/63
摘要：
The object of the present invention is to provide a light-emitting device that emits phosphorescence with high efficiency. The light-emitting device of the present invention includes a host containing two kinds of dopants, wherein a dopant having a longer maximum-emission wavelength is doped in a low concentration and has a substituent.
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