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Abstract
A bistable twisted nematic (BTN) mode for a reflective liquid crystal display with one polarizer is proposed. In this configuration, an excellent bistable switching between the bright and the dark states can be achieved in a driving scheme with the data signal in addition to the reset and the selection voltages. Three types of BTN cells in a reflective configuration are studied to evaluate their electro-optic (EO) characteristics. The reflective BTN cell with a retardation film whose optic axis is perpendicular to the rubbing direction is found to be the best one among the three cells.