ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,685, issued on Oct. 21, was assigned to Japan Display Inc. (Tokyo).
"View-angle control device and display device" was invented by Takeo Koito (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect, a view-angle control device includes: a drive layer in which light-transmitting regions and switchable regions are alternately arranged in one direction, each light-transmitting region being configured to transmit light, each switchable region being switchable between a light-transmitting state and a light-blocking state through switching of liquid crystal orientation; and a plurality of optical member layers stacked together with t...