Title:
QUANTUM DOT, ELECTROLUMINESCENT ELEMENT AND MANUFACTURING METHOD THEREFOR, LIGHT-EMITTING DEVICE, DISPLAY DEVICE AND CONTROL METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/162841
Kind Code:
A1
Abstract:
A quantum dot (25) includes: a core (25a) containing Zn and Se; and a shell (25b) comprising ZnS and disposed on the surface of the core (25a) so as to be adjacent to the core (25a). The quantum dot emits blue light and is Cd free. The particle size of the quantum dot is within a range of 3 to 20nm, and the lifetime of fluorescence in a thin film state is no greater than 50ns.
Inventors:
YAMAMOTO MASAKI
GOTO KAZUKI
YAMADA HIROHISA
UEDA MASAYA
OGURA YUKO (JP)
TANAKA MASANORI (JP)
TAKASAKI MIKIHIRO (JP)
TAKAMIZUMA YUKA (JP)
NIKATA SOICHIRO (JP)
ITO TETSUJI (JP)
WATANABE MAYUKO (JP)
GOTO KAZUKI
YAMADA HIROHISA
UEDA MASAYA
OGURA YUKO (JP)
TANAKA MASANORI (JP)
TAKASAKI MIKIHIRO (JP)
TAKAMIZUMA YUKA (JP)
NIKATA SOICHIRO (JP)
ITO TETSUJI (JP)
WATANABE MAYUKO (JP)
Application Number:
PCT/JP2021/003074
Publication Date:
August 04, 2022
Filing Date:
January 28, 2021
Export Citation:
Assignee:
SHARP KK (JP)
NS MAT INC (JP)
NS MAT INC (JP)
International Classes:
H01L27/32; H01L51/50; H05B33/10; H05B33/12; H05B33/14; H05B33/22
Domestic Patent References:
| WO2020213094A1 | 2020-10-22 | |||
| WO2019180877A1 | 2019-09-26 | |||
| WO2020170371A1 | 2020-08-27 |
Foreign References:
| JP2020526596A | 2020-08-31 | |||
| CN111019633A | 2020-04-17 | |||
| JP2020101769A | 2020-07-02 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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