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:
Sep. 16, 2025
Filed:
Oct. 05, 2022
Applicants:
Saint-gobain Glass France, Courbevoie, FR;
Centre National DE LA Recherche Scientifique, Paris, FR;
Inventors:
Frédéric Mondiot, Aubervilliers, FR;
Hervé Montigaud, Aubervilliers, FR;
Assignees:
SAINT-GOBAIN GLASS FRANCE, Courbevoie, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/137 (2006.01); G02F 1/01 (2006.01); G02F 1/1333 (2006.01); G02F 1/1343 (2006.01); G02F 1/1347 (2006.01);
U.S. Cl.
CPC ...
G02F 1/13756 (2021.01); G02F 1/0136 (2013.01); G02F 1/133365 (2013.01); G02F 1/13439 (2013.01); G02F 1/1347 (2013.01); G02F 2202/04 (2013.01);
Abstract
An optical system composed of a first electrically controllable device which has variable scattering and color by first liquid crystals stabilized in a polymeric network and first dichroic dyes and a second electrically controllable device having variable polarization by second liquid crystals and second dichroic dyes.