Liquid crystal imaging system

G - Physics – 02 – F

Patent

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31/105, 345/8

G02F 1/13 (2006.01) G02F 1/135 (2006.01) G02F 1/137 (2006.01)

Patent

CA 1049124

ABSTRACT OF THE DISCLOSURE A system for transforming an optically negative liquid crystalline composition from the focal-conic texture state to the Grandjean texture state by means of an applied electrical field which may be a D.C. electrical field or a relatively low frequency A.C. electrical field. Imaging and display systems wherein a member comprising a film of an optically negative liquid crystalline compo- sition is imaged in a desired image configuration by the electrical field induced texture transformation system are also described.

234801

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