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:
Apr. 14, 2025

Filed:

Sep. 14, 2021
Applicant:

Essilor International, Charenton-le-Pont, FR;

Inventors:

Srinivasan Balasubramanian, Dallas, TX (US);

Elliot French, Dallas, TX (US);

Aref Jallouli, Dallas, TX (US);

Assignee:

Essilor International, Charenton-le-pont, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/14 (2005.12); A61F 9/02 (2005.12); G02B 5/22 (2005.12); G02C 7/00 (2005.12); G02C 7/02 (2005.12); G02C 7/10 (2005.12); G02C 7/12 (2005.12);
U.S. Cl.
CPC ...
G02C 7/108 (2012.12); G02B 5/223 (2012.12); G02C 7/12 (2012.12); G02C 2202/16 (2012.12);
Abstract

A light filtering element, includes: at least one layer, a first layer of the at least one layer being stretched along a strain direction and including a first narrowband dye, the first narrowband dye including a first narrowband dye peak absorbance wavelength with a first narrowband dye bandwidth; and a first dichroic dye configured to absorb polarized light, the first dichroic dye including a first dichroic dye peak absorbance wavelength with a first dichroic dye bandwidth, molecules of the first dichroic dye being at least partially oriented along the strain direction.


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