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1. (WO2018198975) LIGHT-EMITTING ELEMENT

Pub. No.:    WO/2018/198975    International Application No.:    PCT/JP2018/016310
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Sat Apr 21 01:59:59 CEST 2018
IPC: H01L 51/50
C07C 211/61
C07D 219/14
C07D 265/38
C07D 307/91
C07D 333/76
C07D 403/10
C07D 409/14
C07D 417/10
C07F 15/00
C08G 61/12
C09K 11/06
Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED
住友化学株式会社
Inventors: SASADA, Toshiaki
佐々田 敏明
OKAMURA, Rei
岡村 玲
Title: LIGHT-EMITTING ELEMENT
Abstract:
Provided is a light-emitting element having excellent luminance life. Disclosed is a light-emitting element comprising a positive electrode, a negative electrode, a first organic layer provided between the positive electrode and the negative electrode, and a second organic layer provided between the positive electrode and the negative electrode, wherein the first organic layer is a layer including a compound represented by formula (C-1), and the second organic layer is a layer including a compound represented by formula (C-1) and a crosslinked product of a crosslinking material. (In the formula, ring R1C and ring R2C represent an aromatic hydrocarbon ring or an aromatic heterocycle. RC represents an oxygen atom, a sulfur atom, or a group represented by formula (C'-1).) (In the formula, ring R3C and ring R4C represent an aromatic hydrocarbon ring or an aromatic heterocycle. RC' represents a carbon atom, a silicon atom, a germanium atom, a tin atom, or a lead atom.)