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 JP5741636
Kind Code:
B2
Abstract:
Disclosed is an organic electroluminescent element having high luminous efficiency and long life. Also disclosed are a display device and an illuminating device respectively using such an organic electroluminescent element. Specially disclosed is an organic electroluminescent element comprising an electrode and at least one or more organic layers on a substrate. This organic electroluminescent element is characterized in that at least one of the organic layers is a light-emitting layer containing a phosphorescent compound and a host compound, the phosphorescent compound has a HOMO of - 5.15 to -3.50 eV and a LUMO of from -1.25 to +1.00 eV, and the host compound has a 0-0 band of the phosphorescence spectrum at not more than 460 nm and a glass transition temperature of not less than 60 °C.
Inventors:
Shinya Otsu
Eisaku Kato
Hiroshi Kita
Eisaku Kato
Hiroshi Kita
Application Number:
JP2013128621A
Publication Date:
July 01, 2015
Filing Date:
June 19, 2013
Export Citation:
Assignee:
Konica Minolta Co., Ltd.
International Classes:
H01L51/50; C07D209/86; C07D471/04; C07F15/00; C09K11/06; G09F9/30; H01L27/32
Domestic Patent References:
| JP2004171808A |
Foreign References:
| WO2004074399A1 | ||||
| US20050260448 |
Attorney, Agent or Firm:
Gwangyang International Patent Office