US Patent Issued to TOPPAN on Sept. 23 for "Light control sheet, light control device, photosensitive composition, and method for producing light control sheet" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,715, issued on Sept. 23, was assigned to TOPPAN Inc. (Taito-ku, Japan).

"Light control sheet, light control device, photosensitive composition, and method for producing 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 layer contains a liquid crystal composition and a resin composition. The liquid crystal composition is composed of a liquid crystal compound having a nematic-isotropic phase transition temperature of 110deg C. or greater and 140deg C. or less, the resin composition contains an acrylic polymer, a bridging group of the acrylic polymer is a saturated alkyl g...