We report three liquid crystal (LC) mixtures with a wide nematic range (-40°C to ~100°C), small visco-elastic coefficient and low activation energy for vehicular displays. Physical properties at different temperatures were characterized. These LCs greatly improve the performance of different display devices in a car: 1) for head-up projection using liquid-crystal-onsilicon with an average gray-to-gray (GTG) response time less than 1 ms at an elevated temperature. 2) The average GTG response time is maintained at ~10 ms for fringing field switching LCD at T = 0°C and also ~10 ms for twisted nematic LCD at T = -20°C.
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Peng et al. (2016) studied this question.
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