US Patent Issued to SAINT-GOBAIN GLASS FRANCE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE on Dec. 23 for "Liquid-crystal optical system" (French Inventor)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,652, issued on Dec. 23, was assigned to SAINT-GOBAIN GLASS FRANCE (Courbevoie, France) and CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (Paris).

"Liquid-crystal optical system" was invented by Frederic Mondiot (Aubervilliers, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "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...