Electrooptic Bistability of a Ferroelectric Liquid Crystal Device Prepared Using Charge-Transfer Complex-Doped Polyimide-Orientation Films

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Abstract
Enhancement of bistability and response speed in a surface stabilized ferroelectric liquid crystal (SSFLC) electrooptic device was realized by doping polyimide-orientation films with a charge-transfer complex (CTC) and performing appropriate rubbing. The effects of the enhancement are thought to be attributable to the appropriate AC conductivity of CTC-doped polyimide films which are capable of neutralizing accumulated surface charges brought about by electrical polarization contributing to the spontaneous polarization of the ferroelectric liquid crystal.