Abstract

Abstract Applicability of ferroelectric liquid crystals to large screens handling high density information has been demonstrated. High speed and bistable effect are the greater advantages of these materials. The chemical problems to be solved were to synthesize broad-band room temperature substances with high polarisation, negative dielectric anisotropy, large pitch and adequate tilt angle. A number of compounds having in their structure the R(-) 2 chloro propyl group have been synthesized. The smectic stability for these series has been examined. Some compounds exhibit the chiral smectic C phase. All of them can be used as chiral dopants in broad-band room temperature mixtures. Some examples of these mixtures will be presented.

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