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1. (WO2018066583) IRIDIUM COMPLEX COMPOUND, COMPOSITION CONTAINING SAID COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE

Pub. No.:    WO/2018/066583    International Application No.:    PCT/JP2017/036072
Publication Date: Fri Apr 13 01:59:59 CEST 2018 International Filing Date: Thu Oct 05 01:59:59 CEST 2017
IPC: C07F 15/00
C09K 11/06
H01L 27/32
H01L 51/50
Applicants: MITSUBISHI CHEMICAL CORPORATION
三菱ケミカル株式会社
Inventors: NAGAYAMA Kazuhiro
長山 和弘
KO Oki
高 王己
KOMATSU Hideji
小松 英司
Title: IRIDIUM COMPLEX COMPOUND, COMPOSITION CONTAINING SAID COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE
Abstract:
The purpose of the present invention is to provide: an iridium complex compound which has a long maximum emission wavelength and a high luminescence quantum yield, and which emits red phosphorescent light; a composition which contains this compound; an organic electroluminescent element which has a long maximum emission wavelength and a high luminous efficiency; and a display device and a lighting device, each of which uses this organic electroluminescent element. The present invention relates to an iridium complex compound which is represented by formula (1); and this complex compound has at least a naphthyridine skeleton as a ligand that is coordinated to an iridium atom.