ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,280, issued on April 7, was assigned to Japan Display Inc. (Tokyo).
"Optical element" was invented by Kojiro Ikeda (Tokyo) and Takeo Koito (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical element includes first to fourth liquid crystal cells. Each of the first to fourth liquid crystal cells includes a first substrate on which a first pair of comb-shaped transparent electrodes are arranged and a second substrate on which a second pair of comb-shaped transparent electrodes are arranged. An extending direction of the first pair of comb-shaped transparent electrodes is orthogonal to an extending direction of the second pair of comb-shape...