Bistable liquid crystal displays and the method for driving the same
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The present invention provides a bistable chiral tilted-homeotropic nematic liquid crystal (BCTHN) display, which can be switched between the tilted-homeotropic state (TH state) and the twisted state (T state) by using dual frequency liquid crystal material. These two states can be maintained without the application of any electric field. In contrast to the conventional liquid crystal displays, the bistable liquid crystal display according to the present invention does not need high voltage to induce the flow of liquid crystal or break the anchoring energy. Only 5-volt pulses are required to switch between these two stable states.