ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,115, issued on May 5, was assigned to Japan Display Inc. (Tokyo).
"Optical element" was invented by Tae Kurokawa (Tokyo), Takeo Koito (Tokyo) and Kojiro Ikeda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical element includes at least two liquid crystal cells. The at least two liquid crystal cells include a first substrate on which a first transparent electrode and a second transparent electrode are alternately and repeatedly arranged in a first direction, a second substrate on which a third transparent electrode and a fourth transparent electrode are alternately and repeatedly arranged in a second direction intersecting the first direc...