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:
Apr. 22, 2014
Filed:
Feb. 08, 2012
Applicants:
Da-ren Chiou, Zhongli, TW;
Tzu-ying Chen, Zhongli, TW;
Wei-che Hung, Zhongli, TW;
De-ling Hsu, Zhongli, TW;
Chiu-fang Chen, Zhonglie, TW;
Inventors:
Da-Ren Chiou, Zhongli, TW;
Tzu-Ying Chen, Zhongli, TW;
Wei-Che Hung, Zhongli, TW;
De-Ling Hsu, Zhongli, TW;
Chiu-Fang Chen, Zhonglie, TW;
Assignee:
Far Eastern New Century Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of preparing a composite optical retarder is provided. A first and a second liquid crystal coating materials are respectively disposed on opposite surfaces of a photoalignment film to respectively form a first and a second optical retarders. The composite optical retarder having the photoalignment film sandwiched by the first and the second optical retarders is thus obtained.