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:
Jun. 13, 2023
Filed:
Jul. 09, 2020
Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken, JP;
Anna Tada, Kanagawa, JP;
Sachiko Kawakami, Kanagawa, JP;
Takumu Okuyama, Kanagawa, JP;
Tsunenori Suzuki, Kanagawa, JP;
Satoshi Seo, Kanagawa, JP;
Abstract
An organic compound with high heat resistance is provided. A light-emitting device with high emission efficiency and high reliability is provided. An organic compound represented by General Formula (G0) is provided. In General Formula (G0), any one of Rto Rrepresents General Formula (A), and each of the others of Rto R, Rto R, Rto R, Rto R, and Rto Rindependently represents hydrogen, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 13 carbon atoms. Rand Rmay be bonded to each other to form a spiro ring.