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Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/260756
Kind Code:
A1
Abstract:
An electron transport layer (5) of a display device (1) includes a mixture of a first material and a second material. The electron affinity of a first light emitting layer (2) is equal to or less than the electron affinity of the first material. The electron affinity of the second material is less than the electron affinity of the first material. The electron affinity of a second light emitting layer (3) is equal to or less than the electron affinity of the second material.

Inventors:
HANDA SHINICHI
SAKAKIBARA YUSUKE
Application Number:
PCT/JP2020/024320
Publication Date:
December 30, 2021
Filing Date:
June 22, 2020
Export Citation:
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Assignee:
SHARP KK (JP)
International Classes:
H01L51/50; H01L27/32; H05B33/12; H05B33/14; H05B33/22
Domestic Patent References:
WO2020026446A12020-02-06
WO2020089999A12020-05-07
WO2019186896A12019-10-03
WO2019187064A12019-10-03
Foreign References:
JP2019075565A2019-05-16
JP2020035900A2020-03-05
CN111279794A2020-06-12
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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