发明授权
- 专利标题: Organic electroluminescence device and material for organic electroluminescence device
- 专利标题(中): 有机电致发光器件和有机电致发光器件材料
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申请号: US12167725申请日: 2008-07-03
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公开(公告)号: US08779655B2公开(公告)日: 2014-07-15
- 发明人: Kazuki Nishimura , Toshihiro Iwakuma , Kenichi Fukuoka , Chishio Hosokawa , Masahiro Kawamura , Mitsunori Ito , Yoriyuki Takashima , Toshinari Ogiwara
- 申请人: Kazuki Nishimura , Toshihiro Iwakuma , Kenichi Fukuoka , Chishio Hosokawa , Masahiro Kawamura , Mitsunori Ito , Yoriyuki Takashima , Toshinari Ogiwara
- 申请人地址: JP Tokyo
- 专利权人: Idemitsu Kosan Co., Ltd.
- 当前专利权人: Idemitsu Kosan Co., Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JP2007-179109 20070707; JP2007-179120 20070707; JP2007-179121 20070707
- 主分类号: H01L51/54
- IPC分类号: H01L51/54 ; H05B33/14 ; C09K11/06
摘要:
An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. The organic thin-film layer includes at least one emitting layer. The at least one emitting layer contains at least one phosphorescent material and a host material represented by the following formula (1). Ra—Ar1—Rb (1) In the formula, Ar1, Ra and Rb each represent a substituted or unsubstituted benzene ring or a condensed aromatic hydrocarbon ring selected from a substituted or unsubstituted naphthalene ring, a substituted or unsubstituted chrysene ring, a substituted or unsubstituted fluoranthene ring, a substituted or unsubstituted phenanthrene ring, a substituted or unsubstituted benzophenanthrene ring, a substituted or unsubstituted dibenzophenanthrene ring, a substituted or unsubstituted triphenylene ring, a substituted or unsubstituted benzo[a]triphenylene ring, a substituted or unsubstituted benzochrysene ring, a substituted or unsubstituted benzo[b]fluoranthene ring and a substituted or unsubstituted picene ring. Substituents for Ra and Rb are not aryl groups.
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