Title:
LIGHT-EMITTING ELEMENT AND COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2022/065102
Kind Code:
A1
Abstract:
Provided is a light-emitting element having exceptional maximum luminous efficiency. A light-emitting element having an anode, a cathode, and a first layer and a second layer provided between the anode and cathode, the first layer containing at least one compound (B-1) selected from compounds represented by formula (B), the second layer containing at least one compound (B-2) selected from compounds represented by formula (B) and a crosslinked product of a compound having a crosslinking group, and at least one of the compound (B-1) and the compound (B-2) being such that nB1 in formula (B) is 1 or greater.
Inventors:
SASADA TOSHIAKI (JP)
ASANO ATSUSHI (JP)
ASANO ATSUSHI (JP)
Application Number:
PCT/JP2021/033490
Publication Date:
March 31, 2022
Filing Date:
September 13, 2021
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C07D403/04; C07D251/24; C08G61/02; C09K11/06; H01L51/50; H05B33/12
Domestic Patent References:
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Other References:
"Chemical Review", CHEM. REV., vol. 109, 2009, pages 897 - 1091
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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