公开(公告)号：US11686965B2

公开(公告)日：2023-06-27

申请号：US17563154

申请日：2021-12-28

Applicant: TOPPAN Inc.

Inventor： Toshiji Yasuhara ,  Takehiro Yamada

IPC: G02F1/1334 ,  G02F1/133 ,  G02F1/1343 ,  G02F1/137

CPC classification number: G02F1/1334 ,  G02F1/137 ,  G02F1/13306 ,  G02F1/134309 ,  G02F2203/01

Abstract: A light control sheet including a light control layer switchable between a transparent state and an opaque state, and transparent electrode layers sandwiching the light control layer. The light control layer includes a transparent polymer layer that has domains whose average size is 1.0 μm-1.55 μm, and the light control layer includes a liquid crystal composition at a concentration of 37%-55% such that the liquid crystal composition fills the domains.