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:
Feb. 04, 2014
Filed:
Jul. 06, 2012
Tomohiro Tamura, Okinawa, JP;
Yasuhiro Niikura, Kanagawa, JP;
Tetsuji Ishitani, Kanagawa, JP;
Sachiko Kawakami, Kanagawa, JP;
Yuko Kawata, Kanagawa, JP;
Tomohiro Tamura, Okinawa, JP;
Yasuhiro Niikura, Kanagawa, JP;
Tetsuji Ishitani, Kanagawa, JP;
Sachiko Kawakami, Kanagawa, JP;
Yuko Kawata, Kanagawa, JP;
Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken, JP;
Abstract
A liquid crystal composition including a dioxolane compound represented by the general formula (G1) as a chiral agent is provided. In the general formula (G1), Rand Rindividually represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an aryl group having 6 to 12 carbon atoms, and an alkyl group having 1 to 20 carbon atoms and having a phenyl group as a substituent; Rand Rmay be bonded to each other to form a ring; Rand Rindividually represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, and a cycloalkyl group; and Rto Rindividually represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms.