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:
Aug. 26, 2025
Filed:
Dec. 26, 2018
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Tri D. Pham, Woodbury, MN (US);
Corey D. Balts, Eau Claire, WI (US);
Raymond J. Kenney, Woodbury, MN (US);
Michael J. Wayne, Durrand, WI (US);
Brian L. Oldfield, Eau Claire, WI (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01); G02B 5/00 (2006.01); G02B 5/04 (2006.01); G02F 1/1335 (2006.01); H04N 13/31 (2018.01); H04N 13/312 (2018.01); H04N 13/30 (2018.01);
U.S. Cl.
CPC ...
G02B 5/0257 (2013.01); G02B 5/003 (2013.01); G02B 5/045 (2013.01); G02F 1/133524 (2013.01); G02B 2207/123 (2013.01); G02F 1/133562 (2021.01); G09G 2320/068 (2013.01); H04N 13/31 (2018.05); H04N 13/312 (2018.05); H04N 2013/40 (2018.05);
Abstract
A light control sheet having opposing first and second major faces and an internal array of disruptive optical interfaces, wherein the light control sheet is light transmissive such that an image incident to one of the major faces is visible from the other major faces within a field of view which is perpendicular to the major faces but wherein the image is obscured outside the field of view.