Title:
LIGHT-EMITTING ELEMENT, DISPLAY DEVICE, AND METHOD FOR MANUFACTURING LIGHT-EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2024/069881
Kind Code:
A1
Abstract:
Light-emitting elements (3R, 3G, 3B) each comprise an anode (31), a positive hole transport layer (32), a light-emitting layer (33), an electron transport layer (34), and a cathode (35) in the stated order. The light-emitting layer includes a plurality of quantum dots (QDR, QDG, QDB) and an inorganic matrix material (4) that fills portions between the plurality of quantum dots. Further, the light-emitting element is provided with a first auxiliary layer (36) and/or a second auxiliary layer. The first auxiliary layer is in contact with the cathode side of the light-emitting layer and the second auxiliary layer is in contact with the anode side of the light-emitting layer. The first auxiliary layer and the second auxiliary layer are made from a material different from the inorganic matrix material.
Inventors:
HANDA SHINICHI
Application Number:
PCT/JP2022/036520
Publication Date:
April 04, 2024
Filing Date:
September 29, 2022
Export Citation:
Assignee:
SHARP DISPLAY TECHNOLOGY CORP (JP)
International Classes:
H05B33/14; G09F9/30; H05B33/10; H10K50/00; H10K50/15; H10K50/16; H10K59/00
Domestic Patent References:
| WO2007142203A1 | 2007-12-13 |
Foreign References:
| KR20200019424A | 2020-02-24 | |||
| JP2020161476A | 2020-10-01 | |||
| JP2009510796A | 2009-03-12 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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