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:
Jul. 29, 2025
Filed:
Mar. 30, 2022
Applicant:
CM Visual Technology Corporation, Tainan, TW;
Inventor:
Hsin Wen Chang, Tainan, TW;
Assignee:
CM VISUAL TECHNOLOGY CORPORATION, Tainan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/18 (2006.01);
U.S. Cl.
CPC ...
G02B 5/1866 (2013.01); G02B 2005/1804 (2013.01);
Abstract
An optical film includes a film body and plural micro-structures randomly distributed over the film body. The micro-structures respectively correspond to a plurality of regions. Each of the regions is defined by a same number of auxiliary micro-structures of the micro-structures around a main micro-structure of the micro-structures, and a ratio of an area of a minimum one of the regions to an area of a maximum one of the regions is greater than 0.5 and less than 1.