ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,471, issued on Oct. 28, was assigned to TOPPAN Inc. (Taito-ku, Japan).
"Light control sheet" was invented by Taisuke Enya (Taito-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light control sheet including a first transparent electrode layer, a second transparent electrode layer, a light control layer formed between the first transparent electrode layer and the second transparent electrode layer, the light control layer including a transparent polymer layer having voids filled with a liquid crystal composition including liquid crystal molecules, and spacers formed in the light control layer and including polymethyl methacrylate."
The pa...