Ferroelectric liquid crystal optical devices

G - Physics – 02 – F

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345/59, 204/96.1

G02F 1/133 (2006.01) G02F 1/141 (2006.01)

Patent

CA 1258512

- 12 - FERROELECTRIC LIQUID CRYSTAL OPTICAL DEVICES Abstract Excellent ordering in ferroelectric liquid crystal devices is obtained by utilizing a material having a smectic C phase and no higher temperature orthogonal smectic phases. Ordering is accomplished by the combination of 1) contacting the liquid crystal material in the smectic C phase with an ordering substance and 2) subjecting the liquid crystal material to a slowly varying electric field.

519430

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