POLYMER DISPERSED LIQUID CRYSTAL FILM

WIPO Patent Application WO/2024/070648

A1

The present invention provides a polymer dispersed liquid crystal film which is capable of making a switch between a transparent state and a scattering state only in a specific region, and which has improved light resistance. A polymer dispersed liquid crystal film according to one embodiment of the present invention sequentially comprises a first conductive base material, a polymer dispersed liquid crystal layer that comprises a polymer matrix and liquid crystal droplets and a photopolymerization initiator dispersed in the polymer matrix, and a second conductive base material in this order; the polymer dispersed liquid crystal layer has a first region and a second region, which have different amounts of haze change due to application of a voltage, in a plan view; the amount of haze change due to application of a voltage in the first region is smaller than the amount of haze change due to application of a voltage in the second region; the liquid crystal droplets in the second region contains a polymerizable liquid crystal compound and a non-polymerizable liquid crystal compound; the liquid crystal droplets in the first region contains a liquid crystal polymer, which is a polymer of the polymerizable liquid crystal compound, and the non-polymerizable liquid crystal compound; and the first conductive base material comprises an ultraviolet blocking layer.

MATSUMURA RYOTA (JP)
OTSUKA MASANORI (JP)
HIRAI MARIKO (JP)

PCT/JP2023/033135

April 04, 2024

September 12, 2023

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NITTO DENKO CORP (JP)

G02F1/1334; G02F1/13; G03B21/60; G03B21/62

WO2020217608A1	2020-10-29
WO2022102749A1	2022-05-19
WO2023032675A1	2023-03-09

JP2010156811A

2010-07-15

MOMII Takafumi (JP)

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