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Polarity effects of dielectric anisotropy on the electro-optical characteristics of fringe field twisted nematic mode

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Abstract

The polarity effects of dielectric anisotropy on the electro-optical characteristics of a twisted nematic mode driven by a fringe electric field that has wide viewing angle characteristics was the focus of this study. The device used in this study was designed to be a normally black mode between parallel polarizers. The perfect polarization conversion of the incident light, which passed through a polarizer, was achieved when it passed through a twisted Liquid Crystal (LC) layer. When an electric field was applied, the LC molecules with a positive (or negative) dielectric anisotropy rotated parallel (or perpendicular) to the horizontal component of a fringe electric field as the transmittance increased. According to the calculated results, an enhanced transmittance of the Fringe Field-Twisted Nematic (FF-TN) mode with a positive dielectric anisotropy of + 8.2 was be obtained.

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Authors and Affiliations

  1. School of Advanced Display Engineering, Hoseo University, Asan-si, 336-795, Chungnam, Korea

    Sung Sik Shin & Woo Young Kim

  2. School of Display Engineering, Hoseo University, Asan-si, 336-795, Chungnam, Korea

    Chul Gyu Jhun

  3. Research Center for Convergence Technology, Hoseo University, Asan-si, 336-795, Chungnam, Korea

    Seungoh Han

Authors
  1. Sung Sik Shin
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  2. Chul Gyu Jhun
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  3. Seungoh Han
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  4. Woo Young Kim
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Correspondence to Sung Sik Shin.

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Shin, S.S., Jhun, C.G., Han, S. et al. Polarity effects of dielectric anisotropy on the electro-optical characteristics of fringe field twisted nematic mode. Electron. Mater. Lett. 5, 179–182 (2009). https://doi.org/10.3365/eml.2009.12.179

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  • DOI: https://doi.org/10.3365/eml.2009.12.179

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