ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,985, issued on July 1, was assigned to Japan Display Inc. (Tokyo).
"Optical element" was invented by Takeo Koito (Tokyo), Kojiro Ikeda (Tokyo) and Yoshikatsu Imazeki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical element includes a plurality of stacked liquid crystal cells. The plurality of stacked liquid crystal cells each includes a first substrate on which a first transparent electrode, a second transparent electrode, a first pad, a second pad, and a third pad are arranged, a second substrate on which a third transparent electrode and a fourth transparent electrode are arranged, and a liquid crystal layer between the first substr...