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:
Aug. 04, 2015
Filed:
Oct. 30, 2014
Japan Display Inc., Tokyo, JP;
Panasonic Liquid Crystal Display Co., Ltd., Himeji-shi, JP;
Shoichi Uchino, Annaka, JP;
Noboru Kunimatsu, Chiba, JP;
Hidehiro Sonoda, Mobara, JP;
Chikae Matsui, Mobara, JP;
Yuko Matsumoto, Onjuku, JP;
Masaki Matsumori, Tokai Naka-gun, JP;
Yasushi Tomioka, Hitachinaka, JP;
Jun Tanaka, Kawasaki, JP;
JAPAN DISPLAY INC., Tokyo, JP;
PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD., Hyogo-Ken, JP;
Abstract
A liquid crystal display device includes: a pair of substrates at least one of which is transparent; a liquid crystal layer disposed between the pair of substrates; an electrode group formed on at least one substrate of the pair of substrates, for applying an electric field to the liquid crystal layer; a plurality of active elements connected to the electrode group; and a liquid crystal alignment film disposed on at least one substrate of the pair of substrates, in which the liquid crystal alignment film, which is formed by a photo-alignment process, contains polyimide formed using tetracarboxylic acid dianhydride and/or diamine each having a specific chemical structure.