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:
Jul. 21, 2026

Filed:

Dec. 16, 2021
Applicant:

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

Inventors:

Jeffrey L. Solomon, Centerville, MN (US);

Gary E. Gaides, Woodbury, MN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/003 (2013.01); G02B 2207/123 (2013.01);
Abstract

An article includes a first microstructured layer and a second microstructured layer. The first microstructured layer includes a plurality of first microstructures forming a plurality of first grooves therebetween. The second microstructured layer includes a plurality of second microstructures disposed adjacent to the plurality of first microstructures. The plurality of second microstructures forms a plurality of second grooves therebetween. The article further includes a light absorbing material disposed in at least each of the plurality of first grooves and each of the plurality of second grooves. The light absorbing material bonds the first microstructured layer to the second microstructured layer.


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