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Title:
ARYLAMINE COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/080490
Kind Code:
A1
Abstract:
The purpose of the present invention is: to provide an organic compound that is for use as a material for a highly efficient and durable organic EL element, that has excellent hole injection/transport performance, that has an electron-blocking ability, and that has high stability and excellent properties in a thin-film state; and to further provide a highly efficient and durable organic EL element using said compound.　The present invention is an arylamine compound represented by general formula (1) below.　In the formula, Ar1 and Ar2 represent a substituted or unsubstituted aromatic hydrocarbon group, etc., Ar3 and Ar4 represent a substituted or unsubstituted phenyl group, etc., L represents a substituted or unsubstituted divalent aromatic hydrocarbon group, etc., R1-R3 represent a hydrogen atom, etc., and n represents an integer of 1-2.

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Inventors:
KASE KOUKI (JP)
IZUMIDA JUNICHI (JP)
HAYASHI SHUICHI (JP)
Application Number:
PCT/JP2021/038297
Publication Date:
April 21, 2022
Filing Date:
October 15, 2021
Export Citation:
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Assignee:
HODOGAYA CHEMICAL CO LTD (JP)
International Classes:
H01L51/50; C07C211/54
Foreign References:
KR20170100709A2017-09-05
JP2005015418A2005-01-20
US5792557A1998-08-11
US5639914A1997-06-17
US7759030B22010-07-20
US8021764B22011-09-20
US10818844B22020-10-27
EP2684932A12014-01-15
Other References:
PROCEEDINGS OF THE 9TH MEETING OF THE JAPAN SOCIETY OF APPLIED PHYSICS, 2001, pages 23 - 31
APPL. PHYS. LET., vol. 98, 2011, pages 083302
PROCEEDINGS OF THE 3RD MEETING OF THE JAPAN OLED FORUM, 2006, pages 13 - 14
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (JP)
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