Title:
COMPOUND, COMPOSITION, HOST MATERIAL, ELECTRON BARRIER MATERIAL AND ORGANIC LIGHT EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2022/270591
Kind Code:
A1
Abstract:
An organic light emitting element which uses a compound represented by the general formula has high thermal stability and excellent light emission characteristics. Each of R1 to R7 represents a hydrogen atom, a deuterium atom, an alkyl group or an aryl group; and at least one of R1 to R4 represents an aryl group. Each of R8 to R19 represents a hydrogen atom, a deuterium atom or an alkyl group.
Inventors:
OZAWA HIROAKI (JP)
MORIO MOMOKO (JP)
GOTO AIKO (JP)
KASHIWAZAKI TAKAHIRO (JP)
HWANG SONGHYE (JP)
MORIMOTO KEI (JP)
KANAHARA KOUSEI (JP)
MORIO MOMOKO (JP)
GOTO AIKO (JP)
KASHIWAZAKI TAKAHIRO (JP)
HWANG SONGHYE (JP)
MORIMOTO KEI (JP)
KANAHARA KOUSEI (JP)
Application Number:
PCT/JP2022/025150
Publication Date:
December 29, 2022
Filing Date:
June 23, 2022
Export Citation:
Assignee:
KYULUX INC (JP)
International Classes:
C07D405/10; C07D209/86; C07D405/14; C07D519/00; C07F5/02; C09K11/06
Domestic Patent References:
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Foreign References:
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Other References:
OHKUBO M K, SHIGETA M T: "Absolute Fluorescent Quantum Efficiency of NBS Phospor Standards Samples", SHOMEI GAKKAI ZASSHI - JOURNAL OF THE ILLUMINATING ENGINEERINGINSTITUTE OF JAPAN., SHOMEI GAKKAISHI, TOKYO., JP, vol. 83, no. 2, 1 February 1999 (1999-02-01), JP , pages 87 - 93, XP002997717, ISSN: 0019-2341
Attorney, Agent or Firm:
SIKS & CO. (JP)
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