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铁电液晶是具有铁电性的液晶,即存在自发极化的特殊液晶。当受到外电场作用时,显示出自发极化,其方向随外电场的反向而反向。在液晶发现后的很长时间内,人们认为液晶不显示铁电性。后来在畸变的向列相液晶中,发现由于展曲或弯曲,会出现挠曲电效应,产生一定的自发极化。近十多年来,液晶学科的理论研究和实际应用有了很大发展,不断改善和修正着科学家们的原有认
Ferroelectric liquid crystal is ferroelectric liquid crystal, that there is a spontaneous polarization of the special liquid crystal. When subjected to an external electric field, it shows spontaneous polarization, the direction of which reverses with the reversal of the external electric field. In a long time after the liquid crystal was found, it was considered that the liquid crystal did not show ferroelectricity. Later in the distortion of the nematic liquid crystal, found flexing or bending due to bending electric effect will occur, resulting in a certain degree of spontaneous polarization. In the recent ten years, the theoretical research and practical application of LCD have made great progress, and the original recognition of scientists has been constantly improved and corrected