Title:
ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE, AND LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/221173
Kind Code:
A1
Abstract:
The present invention provides an organic EL electroluminescent element having at least a hole injection layer and a light emitting layer laminated between a pair of electrodes, wherein the hole injection layer contains zinc sulfide, the light emitting layer is directly laminated on the hole injection layer, the light emitting layer contains an organic compound interacting with said zinc sulfide, and the density of the light emitting layer is in the range of 1.0-1.8 g/cm3.
Inventors:
KOBAYASHI FUMIAKI (JP)
TAKA HIDEO (JP)
SUZUKI TAKATUGU (JP)
TADA KAZUNARI (JP)
HATANO TAKUJI (JP)
TAKA HIDEO (JP)
SUZUKI TAKATUGU (JP)
TADA KAZUNARI (JP)
HATANO TAKUJI (JP)
Application Number:
PCT/JP2018/018451
Publication Date:
December 06, 2018
Filing Date:
May 14, 2018
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
H01L51/50
Domestic Patent References:
| WO2007020718A1 | 2007-02-22 | |||
| WO2007052431A1 | 2007-05-10 |
Foreign References:
| JP2013168501A | 2013-08-29 | |||
| JP2014532312A | 2014-12-04 | |||
| JP2002175887A | 2002-06-21 | |||
| JPH09120890A | 1997-05-06 |
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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