ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,837, issued on July 29, was assigned to Japan Display Inc. (Tokyo).
"Optical device" was invented by Takeo Koito (Tokyo), Kojiro Ikeda (Tokyo) and Tae Kurokawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device comprises a first liquid crystal cell, a second liquid crystal cell overlapped with the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate arranged with a first electrode extending in a direction inclined at a predetermined angle with respect to a first direction, a second substrate arranged with a second electrode extending in a direction incline...