Title:
有機エレクトロルミネッセンス素子
Document Type and Number:
Japanese Patent JP5303462
Kind Code:
B2
Abstract:
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 an emitting layer. The emitting layer contains a phosphorescent material and a host material represented by the following formula (1).
Ra-Ar 1 -Rb(1)
In the formula, Ar 1 , Ra and Rb each represent a substituted or unsubstituted benzene ring or a fused 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.
Inventors:
Kazuki Nishimura
Toshihiro Iwakuma
Fukuoka Kenichi
Hosokawa local tide
Kawamura Masahiro
Mitsunori Ito
Takashima
Toshinari Ogiwara
Toshihiro Iwakuma
Fukuoka Kenichi
Hosokawa local tide
Kawamura Masahiro
Mitsunori Ito
Takashima
Toshinari Ogiwara
Application Number:
JP2009522550A
Publication Date:
October 02, 2013
Filing Date:
May 16, 2008
Export Citation:
Assignee:
IDEMITSU KOSAN CO.,LTD.
International Classes:
H01L51/50; C09K11/06; C07F15/00
Domestic Patent References:
| JP2003317946A | 2003-11-07 | |||
| JP2006151966A | 2006-06-15 | |||
| JP2005222948A | 2005-08-18 | |||
| JP2003105332A | 2003-04-09 | |||
| JP2010515255A | 2010-05-06 |
Foreign References:
| WO2005112519A1 | 2005-11-24 | |||
| WO2005084083A1 | 2005-09-09 | |||
| WO2007069569A1 | 2007-06-21 | |||
| WO2007004364A1 | 2007-01-11 |
Attorney, Agent or Firm:
Intellectual Property Office