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:
May. 28, 2013
Filed:
Sep. 20, 2011
Daisuke Ootsuki, Ichihara, JP;
Kazumi Nara, Ichihara, JP;
Junichi Inagaki, Ichihara, JP;
Mayumi Tanabe, Ichihara, JP;
Daisuke Ootsuki, Ichihara, JP;
Kazumi Nara, Ichihara, JP;
Junichi Inagaki, Ichihara, JP;
Mayumi Tanabe, Ichihara, JP;
JNC Corporation, Tokyo, JP;
JNC Petrochemical Corporation, Tokyo, JP;
Abstract
The invention is to provide a photosensitive compound suitable for a photoalignment method, a photosensitive polymer prepared from the compound, a photoaligning agent by using the compound and a liquid crystal alignment film prepared from the photoaligning agent. A photosensitive compound represented by formula (1): in formula (1), Yis a divalent group represented by formula (2-1) or (2-2); Ais 1,4-phenylene or 1,4-cyclohexylene; Zis a single bond, —COO— or —OCO—; Rand Rare each independently hydrogen, fluorine or alkyl having 1 to 5 carbons; Qis independently a single bond or alkylene having 1 to 12 carbons; and n is 0 or 1. In formulas (2-1) and (2-2), Wand Ware each independently hydrogen, alkyl having 1 to 3 carbons or alkoxy having 1 to 3 carbons.