Title:
ELECTROLUMINESCENT ELEMENT, LIGHT-EMITTING DEVICE, AND METHOD FOR PRODUCING ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2022/208704
Kind Code:
A1
Abstract:
A light-emitting element (1) comprises an anode (12), a QD layer (15) including QDs, and a cathode (17). The QDs have a core-shell structure including a core and a shell, and are Cd-free QDs that emit blue light. The QDs include a halogen element. The external quantum efficiency of the light-emitting element (1) is 7% or greater.
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Inventors:
SAKAKIBARA YUSUKE
GOTO KAZUKI
YAMAMOTO MASAKI
RYOHWA TATSUYA
TAKASAKI MIKIHIRO (JP)
TAKAMIZUMA YUKA (JP)
MATSUZAWA HIRONORI (JP)
GOTO KAZUKI
YAMAMOTO MASAKI
RYOHWA TATSUYA
TAKASAKI MIKIHIRO (JP)
TAKAMIZUMA YUKA (JP)
MATSUZAWA HIRONORI (JP)
Application Number:
PCT/JP2021/013768
Publication Date:
October 06, 2022
Filing Date:
March 31, 2021
Export Citation:
Assignee:
SHARP KK (JP)
NS MAT INC (JP)
NS MAT INC (JP)
International Classes:
H01L27/32; H01L51/50; H05B33/10; H05B33/14
Domestic Patent References:
| WO2020213094A1 | 2020-10-22 |
Foreign References:
| CN111592877A | 2020-08-28 | |||
| JP2020042072A | 2020-03-19 | |||
| US20130295586A1 | 2013-11-07 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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