US Patent Issued to Japan Display on Sept. 23 for "Optical element" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,717, issued on Sept. 23, 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 at least four liquid crystal cells stacked in sequence. Each of the at least four liquid crystal cells includes a first substrate on which a first transparent electrode and a second transparent electrode each extending in a first direction are alternately arranged in a second direction orthogonal to the first direction, a second substrate on which a third transparent electrode and a fourth transparent electrode each extending in t...