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Title:
LIGHT EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2017/099012
Kind Code:
A1
Abstract:
A light emitting element having an anode, a cathode, a first luminescent layer provided between the anode and the cathode, and a second luminescent layer provided between the anode and the cathode. The first luminescent layer contains a metal complex expressed by formula (1). (In the formula, M1 represents an iridium atom, etc. n1 represents an integer of 1 or greater, n2 represents an integer of 0 or greater, and n1+n2 is 2 or 3. Ring R1A represents, inter alia, a triazole ring or the like constituted by a nitrogen atom, E1, E11A, E12A, and a carbon atom. Ring R2 represents an aromatic hydrocarbon ring, etc. E1, E2, E11A, and E12A represent nitrogen atoms, etc. R11A and R12A represent aryl groups, etc. R13A represents an aryl group, etc. A1-G1-A2 represents an anionic bidentate ligand. A1 and A2 represent nitrogen atoms, etc. G1 represents a single bond, etc.)

Inventors:
SASADA Toshiaki (LIMITED 6, Kitahara, Tsukuba-sh, Ibaraki 94, 〒3003294, JP)
ASADA Kohei (LIMITED 6, Kitahara, Tsukuba-sh, Ibaraki 94, 〒3003294, JP)
YOKOYA Seiichirou (LIMITED 27-1, Shinkawa 2-chome, Chuo-k, Tokyo 60, 〒1048260, JP)
OHUCHI Kazuei (LIMITED 6, Kitahara, Tsukuba-sh, Ibaraki 94, 〒3003294, JP)
Application Number:
JP2016/085886
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; H05B33/12; C07F15/00
Domestic Patent References:
WO2014097865A12014-06-26
WO2008140115A12008-11-20
WO2009157424A12009-12-30
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Other References:
CHEM. REV., vol. 109, 2009, pages 897 - 1091
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 107, 1985, pages 1431 - 1432
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 106, 1984, pages 6647 - 6653
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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