Patent 7479310 was granted and assigned to Konica Minolta Holdings on January, 2009 by the United States Patent and Trademark Office.
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.