Class specific elastic, viscous, optical and dielectric properties of some nematic liquid crystals and correlations with their performance in twisted nematic displays

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Abstract
Measurements are reported of the class specific elastic, viscous, optical and dielectric properties of six positive dielectric binary mixtures consisting of components belonging to six markedly different liquid crystal classes. The temperature dependent material properties are correlated with the temperature dependent response behaviour of twisted nematic displays. The elastic properties were found to be loosely related with the multiplexing performance of TN-LCDs. Good agreement was found between the temperature dependence of material constants and electro-optical response. The temperature dependence of bias tilt angles in homogeneously aligned samples belonging to different LC-classes were measured using a novel method