Liquid crystal display device and preparation thereof

G - Physics – 02 – F

Patent

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Details

G02F 1/1333 (2006.01) C08L 79/08 (2006.01) C09K 19/38 (2006.01) C09K 19/54 (2006.01)

Patent

CA 2061696

-1- ABSTRACT A liquid crystal display device has a pair of transparent electrodes and a composite film having continuous pores of a polymer matrix filled with a liquid crystal material. The polymer matrix is made of (a) a cross-linked material prepared through an addition reaction of a carboxyl group- containing acrylonitrile/butadiene copolymer with an oxazoline compound, or (b) a polyimide resin. The resulting device has improved light transmittance contrast, and improved resistance to having its contrast characteristics impaired by heat.

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