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:
Nov. 24, 2015
Filed:
Jul. 27, 2011
Masanobu Mizusaki, Osaka, JP;
Youhei Nakanishi, Osaka, JP;
Takeshi Noma, Osaka, JP;
Yuichiro Yamada, Osaka, JP;
Satoshi Enomoto, Tokyo, JP;
Yuki Hara, Tokyo, JP;
Hideo Kikuchi, Tokyo, JP;
Masanobu Mizusaki, Osaka, JP;
Youhei Nakanishi, Osaka, JP;
Takeshi Noma, Osaka, JP;
Yuichiro Yamada, Osaka, JP;
Satoshi Enomoto, Tokyo, JP;
Yuki Hara, Tokyo, JP;
Hideo Kikuchi, Tokyo, JP;
SHARP KABUSHIKI KAISHA, Osaka, JP;
TOYO GOSEI CO., LTD., Chiba, JP;
Abstract
The liquid crystal display device according to the present invention includes a pair of substrates, and a liquid crystal layer disposed between the pair of substrates, wherein the liquid crystal layer includes a liquid crystal material having a negative dielectric constant anisotropy, at least one of the pair of substrates is provided with an alignment film for vertically aligning adjacent liquid crystal molecules, and a polymer layer formed on the alignment film for controlling the alignment of the adjacent liquid crystal molecules, the polymer layer is formed by polymerization of at least one monomer, the polymerization being initiated by radicals generated of the monomer upon absorption of light, the alignment film includes a polymer compound having a main chain that contains an imide structure, and the main chain has an imidization ratio of less than 50%.