Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
An organic electroluminescence element, a display, and a lighting installation
Document Type and Number:
Japanese Patent JP6112166
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide: an organic electroluminescent element having high luminous efficiency and a long life; and a display device and an illuminating device using the same.SOLUTION: A light-emitting layer contains a phosphorescent compound represented by the general formula (A) and a host compound. The phosphorescent compound has a HOMO level of -5.15 to -3.50 eV and a LUMO level of -1.25 to +1.00 eV. The host compound has a 0-0 band of the phosphorescence at 460 nm or less, and a glass transition temperature of 90°C or more.SELECTED DRAWING: Figure 6

Inventors:
Shinya Otsu
Eisaku Kato
Hiroshi Kita
Application Number:
JP2015180434A
Publication Date:
April 12, 2017
Filing Date:
September 14, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Konica Minolta Co., Ltd.
International Classes:
H01L51/50; C09K11/06; G09F9/30; H01L27/32
Domestic Patent References:
JP2006032638A
Foreign References:
WO2005123873A1
WO2001072927A1
WO2006121811A1
WO2005092857A1
Attorney, Agent or Firm:
Gwangyang International Patent Office