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Title:
COMPOSITION AND ORGANIC LIGHT-EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2021/070797
Kind Code:
A1
Abstract:
When the ΔEST of at least one of an acceptor compound and a donor compound for forming an exciplex is 0.35 eV or less, it is possible to improve the service life of an exciplex light-emitting element.

Inventors:
NAKANOTANI HAJIME (JP)
NGUYEN THANH BA (JP)
ADACHI CHIHAYA (JP)
KAKIZOE HAYATO (JP)
ENDO AYATAKA (JP)
Application Number:
PCT/JP2020/037808
Publication Date:
April 15, 2021
Filing Date:
October 06, 2020
Export Citation:
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Assignee:
UNIV KYUSHU NAT UNIV CORP (JP)
KYULUX INC (JP)
International Classes:
C09K11/06; H01L51/50
Domestic Patent References:
WO2018047853A12018-03-15
WO2015041157A12015-03-26
Foreign References:
US20190259959A12019-08-22
CN109994628A2019-07-09
JP2017502516A2017-01-19
CN109994634A2019-07-09
CN109192874A2019-01-11
JP2017059826A2017-03-23
US20190006602A12019-01-03
US20190214571A12019-07-11
JP2019068068A2019-04-25
US20200079735A12020-03-12
Attorney, Agent or Firm:
SIKS & CO. (JP)
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