Invention Grant
- Patent Title: Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
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Application No.: US15996602Application Date: 2018-06-04
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Publication No.: US10811617B2Publication Date: 2020-10-20
- Inventor: Sachiko Kawakami , Yoshimi Ishiguro , Tatsuyoshi Takahashi , Takao Hamada , Hiromi Seo , Satoshi Seo
- Applicant: Semiconductor Energy Laboratory Co., Ltd.
- Applicant Address: JP Atsugi-shi, Kanagawa-ken
- Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee Address: JP Atsugi-shi, Kanagawa-ken
- Agency: Fish & Richardson P.C.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@2eb393c2
- Main IPC: H01L51/00
- IPC: H01L51/00 ; H01L51/50 ; C09K11/02 ; C07D493/04

Abstract:
A novel heterocyclic compound is provided. In particular, a novel heterocyclic compound which can improve the element characteristics of the light-emitting element is provided. The heterocyclic compound is represented by a general formula (G1) DBqAr1nAr2-A (G1) in which a substituted or unsubstituted dibenzo[f,h]quinoxalinyl group and a substituted or unsubstituted benzobisbenzofuranyl group are bonded to each other via a substituted or unsubstituted arylene group. In the general formula (G1), DBq represents a substituted or unsubstituted dibenzo[f,h]quinoxalinyl group, Ar1 represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms, n represents 0 or 1, Ar2 represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms, and A represents a substituted or unsubstituted benzobisbenzofuranyl group. When the arylene group represented by Ar1 and Ar2 has substituents, the substituents may be bonded to each other to form a ring.
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