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. 23, 2021
Filed:
Sep. 24, 2014
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Nathaniel K. Naismith, St. Paul, MN (US);
William F. Edmonds, Minneapolis, MN (US);
Jason S. Petaja, Cottage Grove, MN (US);
Brandt K. Carter, North Myrtle Beach, SC (US);
Jeffrey L. Solomon, Vadnais Heights, MN (US);
Sara S. Merritt, Minneapolis, MN (US);
Tri D. Pham, Woodbury, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0242 (2013.01); G02B 5/0221 (2013.01); G02B 5/0268 (2013.01); G02B 5/0278 (2013.01);
Abstract
A microstructured diffuser is described comprising a light transmissive film comprising a first microstructured surface comprising a plurality of peaks and valleys. A coating is disposed on the first microstructured surface. The coating partially fills the valleys forming a second microstructured surface.