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. 25, 2026
Filed:
Oct. 18, 2021
3m Innovative Properties Company, St. Paul, MN (US);
Raymond J. Kenney, Woodbury, MN (US);
Tao Liu, Woodbury, MN (US);
Kevin W. Gotrik, Hudson, WI (US);
Caleb T. Nelson, McKinney, TX (US);
Nicholas A. Johnson, Burnsville, MN (US);
Daniel J. Schmidt, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A light control film comprising a light input surface and a light output surface opposite the light input surface; alternating transmissive regions and absorptive regions disposed between the light input surface and the light output surface, wherein each absorptive region has an aspect ratio of at least 30, and wherein each transmissive region has a first refractive index; and a plurality of low index layers, wherein each low index layer is disposed between each transmissive region and an adjacent absorptive region, and wherein each low index layer has a second refractive index less than the first refractive index of each transmissive region.