Method of making liquid crystal composite

Details Method of making liquid crystal composite Method of making liquid crystal composite

C - Chemistry, Metallurgy

09

K

C09K 19/54 (2006.01) G02F 1/13 (2006.01) G02F 1/1334 (2006.01)

Patent

CA 2186228

A method is described for making a liquid crystal composite in which droplets of a liquid crystal material are dispersed in a matrix material. An encapsulating material at least partially separates the liquid crystal from the matrix material. This construction permits the matrix material to be selected on the basis of its processing and environmental properties and the encapsulating material to be selected on the basis of its emulsifying ability and orientational interactions with liquid crystal material. Light valves made from such a composite exhibit improved electro-optical properties.

L'invention porte sur un procédé de fabrication d'un composite à cristaux liquides où des gouttelettes de cristaux liquides sont dispersées dans une matrice et où un matériau d'enrobage sépare au moins partiellement les gouttelettes de la matrice. Cette structure permet de sélectionner le matériau de la matrice en fonction de ses propriétés en matière de traitement et d'environnement, et le matériau d'enrobage en fonction de sa capacité émulsifiante et de ses interactions avec les cristaux liquides. L'invention porte également sur des modulateurs de lumière fabriqués à partir d'un tel composite, aux propriétés électrooptiques améliorées.

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