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. 24, 2009
Filed:
May. 23, 2006
Applicants:
Hsun-ming Sun, Taichung, TW;
Fang-i Chang, Taichung County, TW;
Inventors:
Hsun-Ming Sun, Taichung, TW;
Fang-I Chang, Taichung County, TW;
Assignee:
Wintek Corporation, Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical film includes a first film member, a second film member and a connecting member integrally joining the first film member and the second film member. The first film member has a first structured surface and a first opposing surface. The second film member is located below the first film member. The second film member has a second structured surface and a second opposing surface. The second structured surface of the second film member is attached to the first opposing surface of the first film member.