Title:
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/124320
Kind Code:
A1
Abstract:
The present invention provides an organic electroluminescent element which has enhanced performance, while being provided with a positive electrode, a negative electrode and an organic layer that is arranged between the positive electrode and the negative electrode, while comprising a light emitting band, wherein: the organic layer comprises a first layer containing a first compound and a second layer containing a second compound, said first layer and second layer being different from each other; the first compound contains 1% by mass or more of a compound that is represented by formula (1), while having one or more deuterium atoms; and the second compound contains 1% by mass or more of a compound that is represented by formula (2), while having one or more deuterium atoms. (Meanwhile, N*, L1 to L3, a1 to a3 and Ar1 to Ar3 in formula (1), and X, L4, L5, Ar4 and R1 to R16 in formula (2) are as defined in the description.)
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Inventors:
TANAKA SHOTA (JP)
BAN SHINTARO (JP)
TASAKI SATOMI (JP)
ITOI HIROAKI (JP)
HAKETA TASUKU (JP)
NAKANO YUKI (JP)
BAN SHINTARO (JP)
TASAKI SATOMI (JP)
ITOI HIROAKI (JP)
HAKETA TASUKU (JP)
NAKANO YUKI (JP)
Application Number:
PCT/JP2021/045024
Publication Date:
June 16, 2022
Filing Date:
December 08, 2021
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C07D209/82; C09K11/06; C07D307/77; H01L51/50
Domestic Patent References:
| WO2020075783A1 | 2020-04-16 | |||
| WO2020075784A1 | 2020-04-16 |
Foreign References:
| US20170200899A1 | 2017-07-13 | |||
| JP2020083896A | 2020-06-04 | |||
| JP2020527550A | 2020-09-10 | |||
| JP2014527021A | 2014-10-09 | |||
| KR20210067970A | 2021-06-08 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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