Title:
LIGHT-EMITTING ELEMENT, DISPLAY DEVICE, AND METHOD FOR MANUFACTURING LIGHT-EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2024/084617
Kind Code:
A1
Abstract:
A light-emitting element (11) is provided with an anode (21), a cathode (26), and a light-emitting layer (24) positioned between the anode and the cathode. The light-emitting layer has a plurality of quantum dots (50) and an inorganic filler (51). The inorganic filler fills spaces among the plurality of quantum dots, and includes at least one of a metal sulfide and a metal oxide. In the inorganic filler, the concentration of at least sulfur atoms or oxygen atoms gradually becomes lower in a direction from the anode to the cathode.
Inventors:
MARUHASHI KAZUKI
Application Number:
PCT/JP2022/038898
Publication Date:
April 25, 2024
Filing Date:
October 19, 2022
Export Citation:
Assignee:
SHARP DISPLAY TECHNOLOGY CORP (JP)
International Classes:
H05B33/14; H05B33/10; H05B33/20; H10K50/00; H10K59/00
Domestic Patent References:
| WO2020170373A1 | 2020-08-27 |
Foreign References:
| CN106257703A | 2016-12-28 | |||
| JP2021523530A | 2021-09-02 | |||
| JP2011076770A | 2011-04-14 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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