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:
May. 22, 2007
Filed:
Dec. 30, 2004
Applicants:
Byung-soo Ko, Hwasung, KR;
Mark E. Gardiner, Santa Rosa, CA (US);
Dongwon Chae, Hwasung, KR;
Inventors:
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present disclosure is directed to optical films having a first surface and a structured surface, the structured surface comprising a plurality of prismatic structures. Each prismatic structure has a base including at least two first sides and at least two second sides. At least one of the first and second sides of at least one of the plurality of prismatic structures is offset with respect to at least one of the first and second sides of at least one other prismatic structure.