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. 17, 2009
Filed:
Jun. 21, 2005
Applicants:
Yi-an Sha, Taipei, TW;
Chi-chang Liao, Tainan, TW;
Hsing-lung Wang, Pingzhen, TW;
Inventors:
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/38 (2006.01); C09K 19/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A black-white liquid crystal display using a cholesteric liquid crystal material and a method for manufacturing such a liquid crystal display using polymerization/phase-separation, resulting in diffused polymeric molecules and polymeric cell walls, so as to minimize the manufacturing time, strengthen the polymeric wall and enhance the contrast ratio as well as the brightness.