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Title:
ORGANIC ELECTROLUMINESCENCE ELEMENT, ELECTRONIC DEVICE, COMPOSITION, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, AND COMPOSITION FILM
Document Type and Number:
WIPO Patent Application WO/2019/039428
Kind Code:
A1
Abstract:
This organic electroluminescence element is provided with a positive electrode, a negative electrode, and an organic layer interposed between the positive and negative electrodes, wherein the organic layer comprises a first compound represented by general formula (1) and a second compound represented by general formula (2). In general formula (1), A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 5-24 ring-constituting atoms; and L1 represents a single-bond, a substituted or unsubstituted divalent aryl group having 6-24 ring-constituting carbon atoms, or a substituted or unsubstituted divalent heterocyclic group having 5-24 ring-constituting atoms. In general formula (2), X1 represents an oxygen atom or a sulfur atom.

Inventors:
KAWAMURA MASAHIRO (JP)
MASUDA TETSUYA (JP)
NISHIMURA KAZUKI (JP)
Application Number:
PCT/JP2018/030636
Publication Date:
February 28, 2019
Filing Date:
August 20, 2018
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
H01L51/50; C09K11/06
Domestic Patent References:
WO2013062075A12013-05-02
WO2015178732A12015-11-26
Foreign References:
US20170213988A12017-07-27
JP2014094935A2014-05-22
US20170222160A12017-08-03
KR20150052705A2015-05-14
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
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