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:
Feb. 22, 2011
Filed:
Aug. 24, 2007
Applicants:
Shih-yi Chuang, Kaohsiung, TW;
Guo-long Wu, Kaohsiung, TW;
Inventors:
Shih-Yi Chuang, Kaohsiung, TW;
Guo-Long Wu, Kaohsiung, TW;
Assignee:
Eternal Chemical Co., Ltd., , TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 27/10 (2006.01); F21V 7/04 (2006.01); F21V 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The subject invention provides an optical film comprising a transparent substrate and a structured surface layer, wherein the structured layer is positioned on the upper surface of the substrate and comprises a plurality of non-parallel, adjacent columnar structures. The optical film according to the subject invention can effectively enhance the brightness of a liquid crystal display and reduce the optical interference.