Displaying medium
AssigneeKonica Minolta Holdings, Inc.
InventorsNoriyuki Kokeguchi, Satoru Ikesu
Life of this patent
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Abstract
A display medium which has a memorizing ability and is superior in the stability under a severe condition or to folding is provided by a displaying medium comprising a substrate and a constituting layer provided on the substrate, in which the constituting layer contains a binder and a liquid crystal composition dispersed in the binder, and the binder contains a hydrophilic polymer hardened by a hardening treatment.
Claims12
A displaying medium comprising a substrate provided thereon a pair of electrodes and a plurality of constituting layers between the pair of electrodes, wherein each one of the constituting layers contains a binder and a liquid crystal composition dispersed in the binder, and the binder contains a hydrophilic polymer hardened by a hardening treatment, wherein the hardening treatment comprises crosslinking with a hardener represented by formula 1:
- L-(SO2-X)m (1),
- wherein L is an m-valent linking group, X is a —CH═CH2 group or a —CH2CH2Y group, wherein Y is a group releasable in a form of HY by a base, and m is an integer of 2 to 10.
Dependencies are inferred from the claim text.