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:
Dec. 14, 2021
Filed:
Feb. 27, 2017
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, Tokyo, JP;
NIPPON KAYAKU KABUSHIKI KAISHA, Tokyo, JP;
Abstract
In the present invention, a composition comprising two types of thienothiophene compounds selected from the group consisting of the compounds indicated by formulas (1) to (4) (in formulas (1) to (4), either one of Rand Rrepresents an alkyl group, an aromatic hydrocarbon group having an alkyl group or a heterocyclic group having an alkyl group, and the other represents a hydrogen atom, an aromatic hydrocarbon group, a heterocyclic group or a substituent represented by formula (5) (in formula (5), Rrepresents an aromatic hydrocarbon group or a heterocyclic group)) can form an organic thin film which is homogeneous over a large area, and an organic semiconductor device including the organic thin film is capable of exhibiting high mobility.