Title:
有機エレクトロルミネッセンス素子、表示装置及び照明装置
Document Type and Number:
Japanese Patent JP5458890
Kind Code:
B2
Abstract:
Disclosed is an organic EL device having high luminous efficiency and long emission life. Also disclosed are an illuminating device and a display device, each comprising such an organic EL device. Specifically disclosed is an organic EL device having a light-emitting layer interposed between an anode and a cathode, which is characterized in that the light-emitting layer contains at least one phosphorescent dopant having a molecular weight of not less than 1,000 but not more than 10,000 and at least one host compound having a molecular weight of not less than 500 but not more than 5,000.
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Inventors:
Shinya Otsu
Rie Katakura
High Hideo
Hiroshi Kita
Rie Katakura
High Hideo
Hiroshi Kita
Application Number:
JP2009540016A
Publication Date:
April 02, 2014
Filing Date:
October 27, 2008
Export Citation:
Assignee:
Konica Minolta Co., Ltd.
International Classes:
H01L51/50; C07D233/61; C07D401/10; C07D401/14; C07D403/14; C07D405/10; C07D405/14; C07D413/10; C07D413/14; C07D471/04; C07D519/00; C09K11/06; G09F9/30; H01L27/32; H05B33/10; F21S2/00
Domestic Patent References:
| JP2007184348A | 2007-07-19 | |||
| JP2007504272A | 2007-03-01 |
Foreign References:
| WO2006126389A1 | 2006-11-30 | |||
| WO2005033118A1 | 2005-04-14 |
Attorney, Agent or Firm:
Gwangyang International Patent Office