Method to enlarge the viewing angle of integral imaging using two overlapped display panels

Chao Li; Haowen Ma; Juan Liu

doi:10.1117/12.3007992

24 November 2023 Method to enlarge the viewing angle of integral imaging using two overlapped display panels

Chao Li, Haowen Ma, Juan Liu

Proceedings Volume 12935, Fourteenth International Conference on Information Optics and Photonics (CIOP 2023); 129354C (2023) https://doi.org/10.1117/12.3007992
Event: Fourteenth International Conference on Information Optics and Photonics (CIOP 2023), 2023, Xi’an, China

Abstract

Integral imaging is a promising naked-eye three-dimensional (3D) display technology. However, the intrinsic tradeoff between the wide viewing angle and high resolution refrains its further application. In order to enlarge the viewing angle of integral imaging without sacrificing the resolution, we propose a method that employs two overlapped display panels. An additional display panel has been introduced into the conventional integral imaging. The display area of the additional display panel can be divided into transparent region and information-loaded region. The transparent region is loaded with blank information, allowing light to pass through without modulation. The information-loaded region is opaque, which contains element image array (EIA) and blocks crosstalk, then to establish an additional viewing angle. The combination of these two viewing angles forms an enlarged viewing angle. The experimental results reveal the successful establishment of the additional viewing angle, effectively enlarging the horizontal viewing angle of integral imaging from 8° to 16°. The two-layer display method provides the 3D display system with a higher space-bandwidth product, overcoming the constraints between viewing angle and display resolution.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Chao Li, Haowen Ma, and Juan Liu "Method to enlarge the viewing angle of integral imaging using two overlapped display panels", Proc. SPIE 12935, Fourteenth International Conference on Information Optics and Photonics (CIOP 2023), 129354C (24 November 2023); https://doi.org/10.1117/12.3007992

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KEYWORDS

Integral imaging

Crosstalk

3D displays

3D image processing

LCDs

Imaging systems

Holographic displays

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