Chinese Journal of Liquid Crystals and Displays, Volume. 38, Issue 8, 1005(2023)

Director distribution of nematic liquid crystals in a cylindrical cavity under electric field perpendicular to the cylindrical axis

Gui-jiao SUN, Yan-min LI, Yan-jun ZHANG*, Hui ZHANG, Zhi-guang LI, Gui-li ZHENG, and Ji-liang ZHU
Author Affiliations
  • School of Science, Hebei University of Technology, Tianjin 300401, China
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    Figures & Tables(6)
    (a) Schematic diagram of the initial state of the cylindrical model;(b) Rectangular coordinate system for director.
    Effect of electric field on director distribution of liquid crystal in cylindrical system under one elastic constant approximation. (a) θm changed with the electric field; (b) θ changed with position in the x-y plane in the electric field of 1.4 V/μm; (c) Angle θ changed with the x-axis when y=0 and the angle θ changed with the y-axis when x=0 in the different electric fields; (c) Curves of x1 and y1 coincide, curves of x2 and y2 coincide, curves of x3 and y3 coincide, and curves of x4 and y4 coincide.
    Effect of electric field on director distribution of liquid crystal 5CB in cylindrical system. (a) θm changed with the electric field; (b) θ changed with position in the x-y plane in the electric field of 1.3 V/μm; (c) Angle θ changed with the x-axis when y=0 and the angle θ changed with the y-axis when x=0 in the different electric fields.
    Effect of electric field on director distribution of liquid crystal with k22/k11=0.05 in cylindrical system. (a) θm changed with the electric field; (b) θ changed with position in the x-y plane in the electric field of 1.1 V/μm; (c) Angle θ changed with the x-axis when y=0 and the angle θ changed with the y-axis when x=0 in the different electric fields.
    Effect of electric field on director distribution of liquid crystal k22/k11=2 in cylindrical system. (a) θm changed with the electric field; (b) θ changed with position in the x-y plane in the electric field of 1.8 V/μm; (c) Angle θ changed with the x-axis when y=0 and the angle θ changed with the y-axis when x=0 in the different electric fields.
    Threshold electric field changed with k22/k11 fields
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    Gui-jiao SUN, Yan-min LI, Yan-jun ZHANG, Hui ZHANG, Zhi-guang LI, Gui-li ZHENG, Ji-liang ZHU. Director distribution of nematic liquid crystals in a cylindrical cavity under electric field perpendicular to the cylindrical axis[J]. Chinese Journal of Liquid Crystals and Displays, 2023, 38(8): 1005

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    Paper Information

    Category: Research Articles

    Received: Feb. 22, 2023

    Accepted: --

    Published Online: Oct. 9, 2023

    The Author Email: Yan-jun ZHANG (zyj513@hebut.edu.cn)

    DOI:10.37188/CJLCD.2023-0070

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