Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DISPLAY DEVICE AND DISPLAY DEVICE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/234894
Kind Code:
A1
Abstract:
This display device (2) comprises a light-emitting element layer (5) having, formed therein, a plurality of light-emitting elements each including a first electrode (22), a functional layer (24), and a second electrode (25), and having light-emission colors different from one another. A first hole transport layer (24b) includes a hole-transporting material, and a light-emitting layer (24c) includes quantum dots. The first hole transport layer (24b) contains the quantum dots and also includes the hole-transporting material with a predetermined molecular weight or more.

More Like This:
JP2002351403IMAGE DISPLAY DEVICE
JP2021044256DISPLAY DEVICE
Inventors:
UTSUMI HISAYUKI
KANEHIRO MASAYUKI
Application Number:
PCT/JP2020/020059
Publication Date:
November 25, 2021
Filing Date:
May 21, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHARP KK (JP)
International Classes:
G09F9/30; H01L27/32; H01L51/50; H05B33/10; H05B33/14
Domestic Patent References:
WO2013157563A12013-10-24
Foreign References:
JP2006066395A2006-03-09
KR20190106824A2019-09-18
US10388902B12019-08-20
US20190305241A12019-10-03
US20130216707A12013-08-22
CN110957436A2020-04-03
Attorney, Agent or Firm:
KATATA Hiroyuki (JP)
Download PDF: