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:
Mar. 29, 2011
Filed:
Jan. 21, 2009
Ming-chih Lai, Taichung County, TW;
Wen-chung Chu, Kaohsiung County, TW;
Chin-wen Chang, Tainan, TW;
Min-ruei Tsai, Kaohsiung, TW;
Ming-Chih Lai, Taichung County, TW;
Wen-Chung Chu, Kaohsiung County, TW;
Chin-Wen Chang, Tainan, TW;
Min-Ruei Tsai, Kaohsiung, TW;
Daxin Material Corporation, Hsinchu County, TW;
Abstract
A liquid crystal alignment solution is provided. The liquid crystal alignment solution includes a first polyimide-polyamide acid and a second polyimide-polyamide acid. The first polyimide-polyamide acid is represented by formula (A), and the second polyimide-polyamide acid is represented by formula (B), in which T, T, Tand Tare each independently a tetravalent residue of a tetracarboxylic acid dianhydride; D, D, Dand Dare each independently a divalent residue of a diamine; and m, n, p and q are each independently an positive integer, wherein m/(m+n)≦0.5 and p/(p+q)≧0.5.