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:
Sep. 04, 2012
Filed:
Jul. 01, 2009
Applicants:
Ching-mao Wu, Keelung, TW;
Ming-tzung Wu, Yunlin County, TW;
Kuo-tung Huang, Hsinchu County, TW;
Inventors:
Assignee:
Industrial Technology Research Institute, Hsinchu County, TW;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/02 (2006.01); C09K 19/06 (2006.01); C09K 19/54 (2006.01); G02F 1/13363 (2006.01);
U.S. Cl.
CPC ...
Abstract
A retardation film and formula thereof, and method for manufacturing the same are provided. Furthermore, the retardation film is applied to compensate TFT-LCD viewing angle. Referring to the formula of the invention, the positive A film-embedded negative C optically anisotropic coating of the retardation film can be formed by single step coating, and the retardation film with net negative C symmetry in whole is easily manufactured.