Research on two-dimensional extended array waveguide display technology

Yan Li; Kai Liu; You Long; Yunfei Geng; Zhuo Li

doi:10.1117/12.2607029

24 November 2021 Research on two-dimensional extended array waveguide display technology

Yan Li, Kai Liu, You Long, Yunfei Geng, Zhuo Li

Proceedings Volume 12063, AOPC 2021: Display Technology; 120630K (2021) https://doi.org/10.1117/12.2607029
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

Optical waveguide display technology is an important branch in the field of augmented reality display. Because optical waveguide has the exit pupil expansion function, it can greatly reduce the exit pupil size of relay optical system and realize light and miniaturization design, so it is widely used in head mounted display. In this paper, the imaging principle of optical waveguide optical system is analyzed, the internal light propagation law is studied, an optical waveguide configuration design based on two-dimensional expansion mode is proposed to realize two-dimensional expansion in both horizontal and vertical directions, and a miniaturized relay optical system is designed to reduce the size of the entrance pupil from 5mm × 3mm extended to 23mm × 20mm, the display system of large exit pupil is realized, and the continuity of exit pupil is verified by simulation calculation. This configuration can be used in the field of head mounted display system.

Citation Download Citation

Yan Li, Kai Liu, You Long, Yunfei Geng, and Zhuo Li "Research on two-dimensional extended array waveguide display technology", Proc. SPIE 12063, AOPC 2021: Display Technology, 120630K (24 November 2021); https://doi.org/10.1117/12.2607029

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