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.

Date of Patent:
Oct. 20, 2026

Filed:

Jul. 15, 2022
Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Li Yu, Santa Clara, CA (US);

Garth V. Antila, Hudson, WI (US);

Michael R. Berrigan, Oakdale, MN (US);

Andrew C. Clausen, St. Paul, MN (US);

William T. Fay, Woodbury, MN (US);

Timothy J. Lindquist, Woodbury, MN (US);

Tri D. Pham, Woodbury, MN (US);

Samuel E. Marmon, Gallatin, TN (US);

Zhaohui Yang, North Oaks, MN (US);

Steven H. Kong, Woodbury, MN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/09 (2006.01); G02B 5/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0988 (2013.01); G02B 5/003 (2013.01);
Abstract

A light control film includes opposing substantially planar substantially parallel first and second major surfaces spaced apart along a thickness direction of the light control film by less than about 500 microns; and a plurality of substantially parallel optically transparent polymeric columns disposed in, and substantially surrounded by, a light absorbing polymeric material. Each of the polymeric columns has a first column end at the first major surface and an opposite second column end at the second major surface and has an aspect ratio of greater than about 3, such that the first column ends of at least one pair of adjacent polymeric columns include substantially parallel substantially straight sides facing, and substantially coextensive with, each other.


Find Patent Forward Citations

Yu, Li. (2026). Light control film and method of fabricating same (U.S. Patent No. 12769141). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12769141

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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