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首页> 外文期刊>Japanese journal of applied physics >Fabrication of vertical alignment in ferroelectric liquid crystals for display application
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Fabrication of vertical alignment in ferroelectric liquid crystals for display application

机译：用于显示应用的铁电液晶垂直取向的制备

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摘要

In this study, we focus on vertical alignment ferroelectric liquid crystals (VA-FLCs), because an FLC display with a high contrast ratio is expected. In the VA, although the normal of smectic layers is vertical to the substrate surface, the director of FLC molecules must tilt to the substrate surface at the tilt angle of FLC molecules. Thus, it is usually difficult to obtain a uniform VA in FLCs. We determine the optimum conditions for the fabrication of VA-FLC cells in terms of the tilt angle of FLC molecules, the anchoring strength of the alignment film, and the cell gap. Results indicate that the FLC with a small tilt angle tends to form good VA, which can be obtained by utilizing alignment films with high surface anchoring strengths. Good VA strongly depends on the cell gap.
机译：在这项研究中，我们重点研究垂直取向铁电液晶（VA-FLC），因为期望具有高对比度的FLC显示器。在VA中，尽管近晶层的法线垂直于基板表面，但FLC分子的指向矢​​必须以FLC分子的倾斜角度向基板表面倾斜。因此，通常难以在FLC中获得均匀的VA。我们根据FLC分子的倾斜角，取向膜的锚固强度和单元间隙确定了制造VA-FLC单元的最佳条件。结果表明，具有较小倾斜角的FLC倾向于形成良好的VA，这可以通过使用具有高表面锚固强度的取向膜获得。良好的VA很大程度上取决于细胞间隙。

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  • 来源
    《Japanese journal of applied physics》 |2014年第9s期|09PC03.1-09PC03.5|共5页
  • 作者

    Hirokazu Furue; Toshiki Horiguchi; Miyuki Yamamichi; Shinichiro Oka; Shinichi Komura; Shunsuke Kobayashi;

  • 作者单位

    Department of Materials Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, Katsushika, Tokyo 125-8585, Japan;

    Department of Materials Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, Katsushika, Tokyo 125-8585, Japan;

    Department of Materials Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, Katsushika, Tokyo 125-8585, Japan;

    TFT-LCD R&D Group, R&D Department, Japan Display Inc., Mobara, Chiba 297-8622, Japan;

    TFT-LCD R&D Group, R&D Department, Japan Display Inc., Mobara, Chiba 297-8622, Japan;

    Liquid Crystal Institute, Tokyo University of Science, Yamaguchi, Sanyoonoda, Yamaguchi 756-0884, Japan;

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