Chinese Journal of Liquid Crystals and Displays, Volume. 38, Issue 1, 32(2023)

Fluorescent quantum dot display mode based on light polarization modulation via liquid crystal

Si-han WANG1、#, Xiao-qian WANG1、*#, Wen-bin XUE1, Han-lin LI1, Xiang-qian WANG1, Zeng-hui PENG2, Dong SHEN1, and Zhi-gang ZHENG1
Author Affiliations
  • 1College of Physics,East of China University of Science and Technology,Shanghai 200237,China
  • 2Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China
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    Figures & Tables(11)
    Quantum dots and photo excitation
    Schematic of the liquid crystal device for electrically rotating the polarization plane
    Proposed structure for generating color
    (a)FDTD modelling for the triangular metallic structure under light irradiation;(b)Electric field distribution obtained by simulation.
    Electric field distribution under incident light with different polarizations.(a)Polarization perpendicular to one side of the triangle;(b)Polarization along one side of the triangle.
    Electric field distributions for different groove structures. Triangular groove structure:(a)polarization of the incident light along one side of the triangle,(b)polarization perpendicular to one side of the triangle;Rectangular groove structure:(c)polarization along the horizontal direction,(d)polarization along the vertical direction,(e)polarization along the diagonal of the rectangle.
    Electric field enhancement at the corner of the rectangular structure. (a)Electric field distribution for the polarization along 45°;(b)Electric field distribution for the polarization along -45°.
    Expected structure with QDs connecting to metal structure
    Fabrication procedures of the proposed structure
    Generating white color under circularly polarized light
    Generating mixed color under elliptically polarized light
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    Si-han WANG, Xiao-qian WANG, Wen-bin XUE, Han-lin LI, Xiang-qian WANG, Zeng-hui PENG, Dong SHEN, Zhi-gang ZHENG. Fluorescent quantum dot display mode based on light polarization modulation via liquid crystal[J]. Chinese Journal of Liquid Crystals and Displays, 2023, 38(1): 32

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    Paper Information

    Category: Research Articles

    Received: Sep. 13, 2022

    Accepted: --

    Published Online: Feb. 20, 2023

    The Author Email: Xiao-qian WANG (xqwang@ecust.edu.cn)

    DOI:10.37188/CJLCD.2022-0306

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