ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,380, issued on Sept. 9.
"Electrode structure for fresnel lens device" was invented by Tigran Galstian (Quebec, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid crystal gradient index device has two opposed substrates containing liquid crystal, a plurality of linear serpentine electrode sections forming a first arrangement on a first one of the substrates, and an opposed electrode on a second one of the substrates. The first arrangement comprises contact points for each serpentine electrode section each operable to receive a driving signal for imparting an electric field profile to form a portion of a linear Fresnel lenslet within the ...