LIGHT CONTROL SHEETS AND METHODS OF PRODUCING LIGHT CONTROL SHEETS

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20250060623A1
SERIAL NO

18934772

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A light control sheet is reversibly changeable between transparent and opaque in response to a change in alignment of a liquid crystal compound. The light control sheet includes a light control layer including a polymer resin layer in which voids are dispersed, and a liquid crystal composition containing the liquid crystal compound. The liquid crystal composition is filling the voids. In the light control layer, a percentage of a volume of the liquid crystal composition relative to a total volume of the polymer resin layer and the liquid crystal composition is 40% or greater and 60% or less. Avoid diameter of the voids is 2 μm or less.

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Patent Owner(s)

  • TOPPAN HOLDINGS INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HORIKAWA, Kimio Taito-ku, JP 1 0
NAKAMURA, Gen Taito-ku, JP 18 129
OONUMA, Fumio Taito-ku, JP 2 0
YASUHARA, Toshiji Taito-ku, JP 6 2

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