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:
Dec. 23, 2025
Filed:
Oct. 05, 2022
Saint-gobain Glass France, Courbevoie, FR;
Centre National DE LA Recherche Scientifique, Paris, FR;
Frédéric Mondiot, Aubervilliers, FR;
SAINT-GOBAIN GLASS FRANCE, Courbevoie, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris, FR;
Abstract
A liquid crystal optical system includes a variable polarization electro-switchable device forming a variable polarizer, the variable polarizer including first and second transparent electrodes with an electric field between the first and second electrodes, the first and second electrodes are coplanar, forming an alternation of first and second electrically conductive strips—at distinct potentials, and an electroactive layer made of a material including liquid crystals which are nematic and dichroic dyes.