Title:
ELECTROLUMINESCENT ELEMENT, LIGHT EMITTING DEVICE, AND PRODUCTION METHOD FOR ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2022/208736
Kind Code:
A1
Abstract:
This light-emitting element (1) comprises: a positive electrode (12); a QD layer (15) that contains QDs; and a negative electrode (17). The QDs are Cd-free quantum dots that have a core-shell structure including a core that contains at least one of Ag, Ga, S, and Se, and a shell that contains at least Zn. The QDs exhibit a fluorescence quantum yield of at least 70% at a fluorescence half width of 40 nm or less.
Inventors:
GOTO KAZUKI
SAKAKIBARA YUSUKE
YAMAMOTO MASAKI
RYOHWA TATSUYA
MISHIMA AKIO (JP)
NIKATA SOICHIRO (JP)
KALOUSEK VIT (JP)
OGURA YUKO (JP)
MICHIWAKI YOKO (JP)
SAKAKIBARA YUSUKE
YAMAMOTO MASAKI
RYOHWA TATSUYA
MISHIMA AKIO (JP)
NIKATA SOICHIRO (JP)
KALOUSEK VIT (JP)
OGURA YUKO (JP)
MICHIWAKI YOKO (JP)
Application Number:
PCT/JP2021/013864
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:
| WO2017188300A1 | 2017-11-02 | |||
| WO2019186844A1 | 2019-10-03 |
Foreign References:
| JP2020173937A | 2020-10-22 | |||
| JP2018141141A | 2018-09-13 | |||
| JP2018044142A | 2018-03-22 | |||
| JP2019075565A | 2019-05-16 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
Download PDF: