Title:
DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/171604
Kind Code:
A1
Abstract:
Each of a plurality of light emitting elements (29R, 29G, 29B) included in a display device (1) is provided with a cathode (22), an electron transport layer (25R, 25G, 25B), a light emitting layer (26R, 26G, 26B), a hole transport layer (27), and an anode (28) in this order from a substrate (12) side, wherein the electron transport layer (25R, 25G, 25B) includes oxide nanoparticles (25RNP, 25GNP, 25BNP) and a binder resin (25RBI, 25GBI, 25BBI), and an undercoat layer (24) in contact with the electron transport layer (25R, 25G, 25B) is provided on the electron transport layer (25R, 25G, 25B) side of the cathode (22).
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Inventors:
UTSUMI HISAYUKI
KANEHIRO MASAYUKI
NAKANISHI YOHEI
KANEHIRO MASAYUKI
NAKANISHI YOHEI
Application Number:
PCT/JP2020/008490
Publication Date:
September 02, 2021
Filing Date:
February 28, 2020
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
G09F9/30; H01L27/32; H01L51/50; H05B33/10; H05B33/14; H05B33/26; H05B33/28
Domestic Patent References:
WO2012160714A1 | 2012-11-29 | |||
WO2018235727A1 | 2018-12-27 |
Foreign References:
JP2010055899A | 2010-03-11 | |||
US20190112491A1 | 2019-04-18 | |||
CN105990534A | 2016-10-05 | |||
CN108832002A | 2018-11-16 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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