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. 02, 2016
Filed:
Jun. 05, 2015
Applicant:
Chi Mei Corporation, Tainan, TW;
Inventor:
Shin-Rong Chiou, Kaohsiung, TW;
Assignee:
Chi Mei Corporation, Tainan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/16 (2006.01); C09K 19/36 (2006.01); C09K 19/56 (2006.01); C08L 79/08 (2006.01); C08J 5/18 (2006.01); G02F 1/1337 (2006.01); C08G 73/10 (2006.01);
U.S. Cl.
CPC ...
C09K 19/56 (2013.01); C08G 73/1085 (2013.01); C08J 5/18 (2013.01); C08L 79/08 (2013.01); G02F 1/133723 (2013.01); C08J 2379/08 (2013.01);
Abstract
A liquid crystal alignment agent capable of forming a liquid crystal alignment film having good ultraviolet reliability, the liquid crystal alignment film, and a liquid crystal display element having the same are provided. The liquid crystal alignment agent includes a polymer (A) and a solvent (B). The polymer (A) is obtained by reacting a mixture. The mixture includes a tetracarboxylic dianhydride component (a) and a diamine component (b). The diamine component (b) includes a diamine compound (b-1) represented by formula (1) and a diamine compound (b-2) represented by formula (2).