Pretilt Angle Dependence of the Switching Behavior in the Intrinsic Half-V-Shaped Switching Ferroelectric Liquid Crystal Mode

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The intrinsic half-V-shaped switching ferroelectric liquid crystal mode (iHV-FLC mode) which is obtained from a material with isotropic (Iso.), cholesteric (Ch) and chiral smectic C (SmC*) phase transition sequences can easily yield excellent moving pictures. There are very few reports of liquid crystal (LC) molecular alignment during the Ch–SmC* phase transition sequence although it is important to clarify the molecular alignment and switching behavior in order to improve device characteristics such as the contrast ratio. We have conducted a detailed observation of the switching behavior of a cell with a striped texture and examined the pretilt angle dependence of the alignment state.