Abstract
Electro-optic characteristics of reflective hybrid aligned liquid crystal (LC) cell driven by fringe field using a nematic LC with positive dielectric anisotropy have been studied. Optimized optical configurations are achieved by using a single polarizer, half-wave film and a cell with quarter-wave retardation. The simulation results shows an optimum cell retardation of <TEX>$0.30{\mu}m$</TEX>. This value may allow a practical cell gap larger than <TEX>$3{\mu}m$</TEX>, which makes it easy to control in the manufacturing process. Furthermore, this LC cell with optimized cell parameters shows low wavelength dispersion and the contrast ratio greater than 5 over exists about <TEX>$100{\circ}$</TEX> in vertical direction and <TEX>$160{\circ}$</TEX> in horizontal direction. Also, when using the LC with positive dielectric anisotropy rather than negative dielectric anisotropy, the display shows low power consumption and fast response time.
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