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1. (WO2018180830) ORGANIC ELECTROLUMINESCENT ELEMENT, ELECTRONIC DEVICE, AND COMPOUND

Pub. No.:    WO/2018/180830    International Application No.:    PCT/JP2018/011259
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Fri Mar 23 00:59:59 CET 2018
IPC: H01L 51/50
C07D 403/14
C09K 11/06
Applicants: IDEMITSU KOSAN CO.,LTD.
出光興産株式会社
Inventors: YOSHIDA Kei
吉田 圭
SAITO Masatoshi
齊藤 雅俊
OGIWARA Toshinari
荻原 俊成
YOSHIZAKI Kei
吉崎 圭
KAWAMURA Yuichiro
河村 祐一郎
Title: ORGANIC ELECTROLUMINESCENT ELEMENT, ELECTRONIC DEVICE, AND COMPOUND
Abstract:
An organic electroluminescent element equipped with an anode, a light-emitting layer and a cathode, wherein the light-emitting layer contains a first compound represented by general formula (1) and a fluorescence-emitting second compound, the singlet energy S1 (M1) of the first compound is larger than the singlet energy S1 (FL) of the fluorescence-emitting second compound. A represents a group represented by general formula (1b) or the like.