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Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/105620
Kind Code:
A1
Abstract:
The present invention comprises: a red light emission layer (4R); a green light emission layer (4G); a first blue light emission layer (4B1); a second blue light emission layer (4B2); and a yellow wavelength conversion layer (6) that is provided at least upon the second blue light emission layer (4B2) and converts the second blue light (B2) into yellow light (Y).

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Inventors:
SAKUMA JUN
ASAOKA YASUSHI
Application Number:
PCT/JP2021/044899
Publication Date:
June 15, 2023
Filing Date:
December 07, 2021
Export Citation:
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Assignee:
SHARP DISPLAY TECHNOLOGY CORP (JP)
International Classes:
G02B5/20; H05B33/12; G09F9/30; H05B33/14; H05B33/22
Foreign References:
CN111261666A2020-06-09
US20170179438A12017-06-22
US20200119101A12020-04-16
US20200411786A12020-12-31
US20190058013A12019-02-21
CN111509025A2020-08-07
CN203746858U2014-07-30
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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