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:
Nov. 04, 2025
Filed:
Apr. 09, 2021
3m Innovative Properties Company, St. Paul, MN (US);
Martin B. Wolk, Woodbury, MN (US);
Robert L Brott, Woodbury, MN (US);
Karl K. Stensvad, Eagan, MN (US);
Vadim N. Savvateev, St. Paul, MN (US);
James M. Nelson, Lino Lakes, MN (US);
Lin Zhao, Woodbury, MN (US);
Caitlin Race, Stillwater, MN (US);
Adam D. Haag, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
An optical metasurface film includes a flexible polymeric film having a first major surface, a patterned polymer layer having a first surface proximate to the first major surface of the flexible polymeric film and having a second nanostructured surface opposite the first surface, and a refractive index contrast layer including a refractive index contrast material adjacent to the nanostructured surface of the patterned polymer layer forming a nanostructured bilayer with a nano structured interface. The nanostructured bilayer comprising a plurality of nanostructures disposed on the flexible polymeric film. The nanostructured bilayer imparts a light phase shift that varies as a function of position of the nano structured bilayer on the flexible polymeric film. The light phase shift of the nanostructured bilayer defines a predetermined operative phase profile of the optical metasurface film. A light reflecting layer is in optical communication with the nano structured bilayer.