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. 07, 2006
Filed:
Jul. 15, 2004
Applicants:
Chein-dhau Lee, Hsinchu, TW;
Hui-mei Liu, Hsinchu, TW;
Kua-hua Shen, Hsinchu, TW;
Jia-ming Chen, Hsinchu, TW;
Inventors:
Chein-Dhau Lee, Hsinchu, TW;
Hui-Mei Liu, Hsinchu, TW;
Kua-Hua Shen, Hsinchu, TW;
Jia-Ming Chen, Hsinchu, TW;
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/52 (2006.01); C08G 69/12 (2006.01); C08G 69/26 (2006.01); C08G 69/32 (2006.01); C08G 73/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vertical alignment polyimide for LCD has the following structure: wherein Rand Rare same or different tetravalent aromatic residues or alkyl residues; n is an integer, and 24≧n≧6; a:b=1:9 to 9:1, preferably from 4:1 to 1:1; and a+b=p+q. The polyimide has an inherent viscosity of 0.04–5 dl/g.