Title:
ORGANIC EL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/098073
Kind Code:
A1
Abstract:
This organic EL display device comprises: first through fourth pixel electrodes comprising first through fourth subpixels, the first through fourth subpixels being provided in correspondence with first through fourth light-emitting regions on a substrate; facing electrodes provided on the first through fourth pixel electrodes; and an organic layer provided between the first through fourth pixel electrodes and the facing electrodes. The organic layer comprises: a first hole transport layer provided on the first through fourth pixel electrodes; first through fourth light-emitting layers individually provided on the first hole transport layer in correspondence with the first through fourth subpixels; a second hole transport layer provided between the first hole transport layer and the second light-emitting layer; and a third hole transport layer provided between the first hole transport layer and the third and fourth light-emitting layers.
Inventors:
HIRAGA KENTA (JP)
Application Number:
PCT/JP2018/040998
Publication Date:
May 23, 2019
Filing Date:
November 05, 2018
Export Citation:
Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
H01L51/50; G09F9/30; H01L27/32; H05B33/12
Foreign References:
| US20110233528A1 | 2011-09-29 | |||
| US20160372525A1 | 2016-12-22 | |||
| US20050225232A1 | 2005-10-13 | |||
| JP2009224781A | 2009-10-01 | |||
| JP2018081855A | 2018-05-24 |
Attorney, Agent or Firm:
TAKAHASHI, HAYASHI AND PARTNER PATENT ATTORNEYS, INC. (JP)
Download PDF: