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Title:
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/065775
Kind Code:
A1
Abstract:
An organic electroluminescent element which comprises a negative electrode, a positive electrode, and an organic layer that is arranged between the negative electrode and the positive electrode, wherein: the organic layer contains a light emitting layer and a first layer; the first layer is arranged between the positive electrode and the light emitting layer; and the first layer contains a first hole transport material that is represented by formula (1) and a second hole transport material that is represented by formula (11).

Inventors:
HAKETA TASUKU (JP)
NISHIMURA KAZUKI (JP)
Application Number:
PCT/JP2020/036550
Publication Date:
April 08, 2021
Filing Date:
September 28, 2020
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
H01L51/50
Domestic Patent References:
WO2010134350A12010-11-25
WO2010134352A12010-11-25
WO2015162912A12015-10-29
WO2017010438A12017-01-19
WO2019088231A12019-05-09
WO2018174293A12018-09-27
Foreign References:
CN110272421A2019-09-24
JP2013522864A2013-06-13
US20170317289A12017-11-02
KR20180131100A2018-12-10
KR20170136391A2017-12-11
JP2017139457A2017-08-10
KR20190079181A2019-07-05
KR20170067644A2017-06-16
JP2017022196A2017-01-26
Attorney, Agent or Firm:
HEIWA INTERNATIONAL PATENT OFFICE (JP)
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