ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,220, issued on Dec. 9, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).
"Optical dimming devices with chiral ferroelectric nematic liquid crystal" was invented by Chenrun Feng (Kent, Ohio), Olga Vladimirovna Barykina-Tassa (San Mateo, Calif.), Afsoon Jamali (Issaquah, Wash.), Jonathan William Onorato (Seattle), Jasmine Soria Sears (Portland, Ore.), Gareth Valentine (Kirkland, Wash.) and Xi Wu (Redmond, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device includes a first electrode and a medium that includes ferroelectric liquid crystals and chiral dopants. The medium is located adjacent to the first electrode. T...