US Patent Issued to TOPPAN on Oct. 20 for "Light control sheet, method for producing light control sheet, and liquid crystal composition for polymer dispersion" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,767,891, issued on Oct. 20, was assigned to TOPPAN Inc. (Tokyo).

"Light control sheet, method for producing light control sheet, and liquid crystal composition for polymer dispersion" was invented by Taisuke Enya (Taito-ku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light control sheet includes an organic polymer layer that partitions voids, and a liquid crystal composition that contains a non-polymerizable liquid crystal compound and fills the voids. The light control sheet changes the transmittance to visible light by driving the non-polymerizable liquid crystal compound. The liquid crystal composition contains adipate as a non-polymerizab...