• Chinese Optics Letters
  • Vol. 19, Issue 9, 092201 (2021)
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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    DOI: 10.3788/COL202119.092201 Cite this Article Set citation alerts
    Baichuan Zhao, Ruiying Huang, Guojiao Lü. Micro-projection dynamic backlight for multi-view 3D display[J]. Chinese Optics Letters, 2021, 19(9): 092201 Copy Citation Text show less
    Structure of the proposed micro-projection dynamic backlight.
    Fig. 1. Structure of the proposed micro-projection dynamic backlight.
    Imaging process of the LEDs.
    Fig. 2. Imaging process of the LEDs.
    Multi-view 3D display based on the proposed micro-projection dynamic backlight.
    Fig. 3. Multi-view 3D display based on the proposed micro-projection dynamic backlight.
    Experimental setup.
    Fig. 4. Experimental setup.
    Images of numbers from 1 to 8.
    Fig. 5. Images of numbers from 1 to 8.
    Pictures captured at viewpoints and non-viewpoints.
    Fig. 6. Pictures captured at viewpoints and non-viewpoints.
    Luminance distribution of the developed prototype.
    Fig. 7. Luminance distribution of the developed prototype.
    Pictures captured at optimal viewing distance.
    Fig. 8. Pictures captured at optimal viewing distance.
    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
    Table 1. Parameters of the Prototype
    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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