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      Elimination of image flicker in fringe-field switching liquid crystal display driven with low frequency electric field.

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      Optics express

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          Abstract

          Recently, a low frequency driving of a fringe-field switching-liquid crystal display (FFS-LCD) draws much attention to minimize the power consumption. In the low frequency driving of FFS-LCD, an image flickering effect occurs when the sign of the electric field is reversed. We suggested a method to eliminate the image flickering effect by doping small amount of bent-core liquid crystal (BLC) molecules. The BLC molecules have an opposite sign of flexoelectric polarization and reduce the flexoelectric polarization of the host liquid crystal. By adding 2.0 wt% of BLC, the total transmittance during a positive and a negative electric field could be balanced and the image flickering effect was not observed by eyes.

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          Author and article information

          Journal
          Opt Express
          Optics express
          1094-4087
          1094-4087
          Dec 15 2014
          : 22
          : 25
          Article
          305395
          25607006

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