Title:
COMPOSITION AND LIGHT-EMITTING ELEMENT IN WHICH SAME IS USED
Document Type and Number:
WIPO Patent Application WO/2018/198971
Kind Code:
A1
Abstract:
Provided is a composition useful for manufacturing a light-emitting element having excellent light-emitting efficiency. A composition containing a phosphorescent compound represented by formula (1) and a compound represented by formula (C-1). (C-1) [where rings R1C to R4C represent an aromatic hydrocarbon ring or an aromatic heterocycle. RC represents a carbon atom, silicon atom, germanium atom, tin atom, or lead atom]. (1) [where M1 represents a rhodium atom, palladium atom, iridium atom, or platinum atom. n1 represents an integer equal to or greater than 1, and n2 represents an integer equal to or greater than 0. However, n1+n2 is 2 or 3. Ring R1A represents a triazole ring. Ring R2 represents an aromatic hydrocarbon ring or an aromatic heterocycle. E1, E2, and E11A to E13A represent a nitrogen atom or a carbon atom. R11A to R13A represent a hydrogen atom, alkyl group, or aryl group, etc. A1-G1-A2 represents an anionic bidentate ligand].
Inventors:
ISHIKAWA RUI (JP)
TARRAN WILLIAM (GB)
KAMTEKAR TIMOTHY (GB)
TARRAN WILLIAM (GB)
KAMTEKAR TIMOTHY (GB)
Application Number:
PCT/JP2018/016306
Publication Date:
November 01, 2018
Filing Date:
April 20, 2018
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
H05B33/14; C09K11/06; H01L51/50; C07D209/86; C07D333/76; C07D409/14; C07F15/00
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Other References:
ORGANIC ELECTRONICS, vol. 14, 2013, pages 902 - 908
See also references of EP 3618579A4
See also references of EP 3618579A4
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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