The effect of slit aperture width on the performance of integral imaging based on parallax barrier

Hong Cheng; HuiMin Ma; Jing Kai Zhou; Chuan Shen

doi:10.1117/12.2548101

18 December 2019 The effect of slit aperture width on the performance of integral imaging based on parallax barrier

Hong Cheng, HuiMin Ma, Jing Kai Zhou, Chuan Shen

Proceedings Volume 11335, AOPC 2019: Display Technology and Optical Storage; 113350N (2019) https://doi.org/10.1117/12.2548101
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

Recently, the 3D display of the double observation point based on the parallax barrier has attracted attention because of its dual-view points and 2D/3D display compatibility, especially for display applications for mobile screens. At present, onedimensional integral imaging 3D display based on parallax barrier still has some challenges, such as lower resolution and small viewing angles. In order to increase resolution and the viewing angle, in this paper we analyzes the effect of the parallax barrier and parallax aperture width on the 3D image display under the assumption that the parallax barrier pitch is constant. Firstly, according to the geometric optics, the calculation formula of the resolution and the relationship between the viewing angle of the single slit and the aperture width of the slit are derived, further derive the formula for calculating the viewing angle. We had made a one-dimensional integral imaging dual-view 3D display prototype and studied the viewing angle and crosstalk of 3D images under different parallax aperture parameters. Applying the ideal optimal aperture value that we calculated to the prototype, we can finally see the 3D images of the two virtual scenes without crosstalk in the left 5° to 25°and the right 5° to 25°. The experiment results showed that the resolution and the viewing angle of the one-dimensional integral imaging dual-view 3D display increase with the decrease of the aperture width of the parallax barrier.

Citation Download Citation

Hong Cheng, HuiMin Ma, Jing Kai Zhou, and Chuan Shen "The effect of slit aperture width on the performance of integral imaging based on parallax barrier", Proc. SPIE 11335, AOPC 2019: Display Technology and Optical Storage, 113350N (18 December 2019); https://doi.org/10.1117/12.2548101

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KEYWORDS

3D displays

Integral imaging

Image resolution

3D image processing

Prototyping

Imaging arrays

LCDs

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