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Director motion measurement of nematic liquid crystal in vicinity of substrate under voltage application using shear horizontal wave

机译:剪切水平波在电压施加下向列相液晶在基板附近的指向矢运动测量

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摘要

Nematic liquid crystal director motion in vicinity of a glass plate is evaluated in relation to acoustic phase delay change of shear horizontal (SH) wave propagating in a cell structure. The evaluated director angle of a nematic liquid crystal 4-cyano-4'-pentylbiphenyl (5CB) in a cell prepared by irradiating ultraviolet (UV) light is a little higher than that in a rubbing cell under low voltage application. Time response of director motion under the SH wave propagation is very shorter than that of transmitted light measurement. The present technique is promising for evaluating director motion in the vicinity of the substrate surface.
机译:与在单元结构中传播的剪切水平(SH)波的声相延迟变化有关,评估了玻璃板附近的向列液晶指向矢运动。在通过施加紫外线(UV)光制备的单元中,向列型液晶4-氰基-4'-戊基联苯(5CB)的估计指向角略高于在低压施加条件下的摩擦单元中的取向角。在SH波传播下,指向矢运动的时间响应比透射光测量的响应时间短。本技术有望用于评估基板表面附近的指向矢运动。

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