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In this paper we discuss a new dynamic drive scheme for bistable reflective cholesteric liquid crystal displays with high multiplexing level. Only two voltage levels (U and 0) are used for the addressing in this drive scheme. Addressing speed is about the time of the fast transition of a cholesteric liquid crystal from the homeotropic state to the transient planar state per line. The maximum value of using voltage is slightly overtop the critical voltage of a cholesteric-nematic transition. These facts make this drive scheme very perspective in application for such kind of displays.

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