The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 16, 2019
Filed:
Aug. 08, 2016
Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken, JP;
Satoko Shitagaki, Kanagawa, JP;
Takao Hamada, Kanagawa, JP;
Kanta Abe, Kanagawa, JP;
Satoshi Seo, Kanagawa, JP;
Abstract
A novel organic compound having a high hole-transport property is provided. A long-lifetime light-emitting element is provided. An organic compound represented by General Formula (G0) is provided. In General Formula (G0), Arrepresents a substituted or unsubstituted naphthyl group, Arrepresents a substituted or unsubstituted carbazolyl group, Arrepresents a substituted or unsubstituted fluorenyl group or a substituted or unsubstituted spirofluorenyl group, and αand αeach independently represent a substituted or unsubstituted phenylene group or a substituted or unsubstituted biphenyldiyl group.