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Title:
COMPOSITION AND LIGHT-EMITTING ELEMENT IN WHICH SAME IS USED
Document Type and Number:
WIPO Patent Application WO/2017/099013
Kind Code:
A1
Abstract:
A composition containing a phosphorescent compound represented by formula (1) and a phosphorescent compound represented by formula (2). (In formula (1), M1 represents an iridium atom, etc., n1 represents an integer equal to or greater than 1, n2 represents an integer equal to or greater than 0 (where n1+n2 is 2 or 3), ring R1A represents a triazole ring, etc., comprising a nitrogen atom or E1, E11A, E12A, and a carbon atom, ring R2 represents an aromatic hydrocarbon ring, etc., E1, E2, E11A, and E12A represent a nitrogen atom, etc., R11A, R12A, and R13A represent an aryl group, etc., A1-G1-A2 represents an anionic bidentate ligand, A1 and A2 represent a nitrogen atom, etc., and G1 represents a single bond, etc.) (In formula (2), M2 represents an iridium atom, etc., n3 represents an integer equal to or greater than 1, n4 represents an integer equal to or greater than 0 (where n3+n4 is 2 or 3), EL represents a carbon atom or a nitrogen atom, ring L1 represents a six-membered aromatic heterocyclic ring, etc., ring L2 represents an aromatic hydrocarbon ring, etc., (where at least one ring from among ring L1 and ring L2 has a group represented by formula (1-T)), A3-G2-A4 represents an anionic bidentate ligand, A3 and A4 represent a nitrogen atom, etc., and G2 represents a single bond, etc.) (In formula (1-T), R1T represents an alkyl group, etc.)

Inventors:
SAITO Takakazu (LIMITED 6, Kitahara, Tsukuba-sh, Ibaraki 94, 〒3003294, JP)
SASADA Toshiaki (LIMITED 6, Kitahara, Tsukuba-sh, Ibaraki 94, 〒3003294, JP)
Application Number:
JP2016/085890
Publication Date:
June 15, 2017
Filing Date:
December 02, 2016
Export Citation:
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Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED (27-1, Shinkawa 2-chome Chuo-k, Tokyo 60, 〒1048260, JP)
International Classes:
H01L51/50; C09K11/06; C07F15/00
Domestic Patent References:
WO2008143059A12008-11-27
WO2014156922A12014-10-02
WO2015163174A12015-10-29
WO2010032663A12010-03-25
WO2010001830A12010-01-07
WO2016006523A12016-01-14
Foreign References:
JP2013033915A2013-02-14
JP2013245179A2013-12-09
Other References:
See also references of EP 3389105A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (SOEI PATENT AND LAW FIRM, Marunouchi MY PLAZA 9th fl. 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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