Chinese Optics Letters, Volume. 19, Issue 9, 092201(2021)

Micro-projection dynamic backlight for multi-view 3D display

Baichuan Zhao1, Ruiying Huang2, and Guojiao Lü1、*
Author Affiliations
  • 1School of Electronic Engineering, Chengdu Technological University, Chengdu 611730, China
  • 2Xihua University, Chengdu 610039, China
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    Figures & Tables(9)
    Structure of the proposed micro-projection dynamic backlight.
    Imaging process of the LEDs.
    Multi-view 3D display based on the proposed micro-projection dynamic backlight.
    Experimental setup.
    Images of numbers from 1 to 8.
    Pictures captured at viewpoints and non-viewpoints.
    Luminance distribution of the developed prototype.
    Pictures captured at optimal viewing distance.
    • Table 1. Parameters of the Prototype

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      Table 1. Parameters of the Prototype

      SectionParametersValue
      BacklightPitch of lenticular lens array p30.99 mm
      BacklightDistance between the LEDs array and lenticular lens array l158.99 mm
      BacklightDistance between the lenticular lens and the scattering film l24.866 mm
      BacklightDistance between the LEDs in the same group d120.26 mm
      BacklightDistance between the formed bright stripes d20.13 mm
      BacklightDistance between the adjacent LED groups p12.53 mm
      BacklightPitch between the formed stripes corresponding to the adjacent LED groups p20.049 mm
      BacklightWidth of the LED w10.95 mm
      DisplayPitch of lenticular lens array1.05 mm
      DisplayDistance between the lenticular lens and the scattering film l33.774 mm
      DisplayPupil distance p465 mm
      DisplayOptimal viewing distance l41200 mm
      DisplaySize of transparent LCD panel21 inch
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    Baichuan Zhao, Ruiying Huang, Guojiao Lü. Micro-projection dynamic backlight for multi-view 3D display[J]. Chinese Optics Letters, 2021, 19(9): 092201

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Dec. 22, 2020

    Accepted: Feb. 8, 2021

    Posted: Feb. 8, 2021

    Published Online: Jun. 2, 2021

    The Author Email: Guojiao Lü (lpzscv@163.com)

    DOI:10.3788/COL202119.092201

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