Liquid crystal composite and method of making

Details Liquid crystal composite and method of making Liquid crystal composite and method of making

C - Chemistry, Metallurgy

09

K

C09K 19/54 (2006.01)

Patent

CA 2186230

A method is disclosed for making a liquid crystal composite in which droplets of a liquid crystal material are dispersed in a polymer matrix. At least one further material separates the liquid crystal material from the polymer matrix. This construction permits the polymer matrix to be selected on the basis of its environmental properties and the further material to be selected on the basis of its orientational interactions with liquid crystal material. Light valves made from such a composite exhibit improved electro-optical properties.

L'invention concerne un procédé de fabrication d'un composite à cristaux liquides qui consiste à disperser des gouttelettes d'un matériau à cristaux liquides dans une matrice polymère, au moins un autre matériau étant utilisé pour séparer le matériau à cristaux liquides de la matrice polymère. Cette structure permet de sélectionner la matrice polymère en fonction de ses propriétés relatives à l'environnement, et l'autre matériau en fonction des interactions de son orientation avec le matériau à cristaux liquides. Des modulateurs de lumière obtenus à partir de ce type de matériau composite présentent des propriétés électro-optiques améliorées.

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