Vector light field 3D display with multi-directional backlight

Yang Li; Wen Qiao

doi:10.1117/12.2667923

27 February 2023 Vector light field 3D display with multi-directional backlight

Yang Li, Wen Qiao

Proceedings Volume 12585, International Conference on Precision Instruments and Optical Engineering (PIOE 2022); 125850J (2023) https://doi.org/10.1117/12.2667923
Event: International Conference on Precision Instruments and Optical Engineering (PIOE 2022), 2022, Guangzhou, China

Abstract

Glasses-free three-dimensional (3D) display has attracted widespread attention because of its multi-perception, interactivity and immersion features. Limited by the resolution of the display, the number of views and the spatial resolution of the views are contradictory. In this paper, we propose a vector light field display with multi-directional backlight, which is realized by two directional backlight illumination display modules. By analyzing the deflection error of diffracted light, a suitable directional backlight angular separation is designed. Experimental results show that the proposed prototype generates full-color 3D images that satisfies binocular parallax for the observer, effectively eliminates the gaps between views. The multi-directional backlight module is adopted to maximize the use of the number of views and expand the field of view (FOV). Potential applications include entertainment, exhibition displays, and education.

Citation Download Citation

Yang Li and Wen Qiao "Vector light field 3D display with multi-directional backlight", Proc. SPIE 12585, International Conference on Precision Instruments and Optical Engineering (PIOE 2022), 125850J (27 February 2023); https://doi.org/10.1117/12.2667923

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