Studies of Hysteresis in Polymer Stabilized Cholesteric Texture Normal-Mode Materials

DOI Web Site 参考文献6件
  • Wang Qingbing
    North LC Center, Changchun Institute of Optics, Mechanics and Physics
  • Ma Zhenjun
    North LC Center, Changchun Institute of Optics, Mechanics and Physics
  • Li Xuan
    North LC Center, Changchun Institute of Optics, Mechanics and Physics
  • Huang Ximin
    North LC Center, Changchun Institute of Optics, Mechanics and Physics

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Polymer stabilized cholesteric texture(PSCT) materials for normal-mode operating were prepared by forming perpendicular polymer networks in cholesteric liquid crystals. The voltage-transmittance characteristics were investigated and the polymer networks were found to be able to control the hysteresis in cholesteric-nematic phase transition. We have developed a model and explained the effect of polymer on the hysteresis well. The effects of operating temperature, liquid crystal pitch and variation speed of applied voltage on hysteresis in PSCT normal-mode materials have also been investigated in this paper.

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