Design of retinal projection near-eye display with extended eyebox based on freeform holographic elements

Yongdong Wang; Tong Yang; Dongwei Ni; Dewen Cheng; Yongtian Wang

doi:10.1117/12.2651772

23 January 2023 Design of retinal projection near-eye display with extended eyebox based on freeform holographic elements

Yongdong Wang, Tong Yang, Dongwei Ni, Dewen Cheng, Yongtian Wang

Author Affiliations +

Proceedings Volume 12557, AOPC 2022: Optical Sensing, Imaging, and Display Technology; 125572U (2023) https://doi.org/10.1117/12.2651772
Event: Applied Optics and Photonics China 2022 (AOPC2022), 2022, Beijing, China

Abstract

Retinal projection display (RPD) is considered as a better solution for near-eye displays (NEDs). It can be used for the augmented-reality (AR) and virtual-reality (VR) applications. In this paper, we propose the RPD system with extended eyebox solution based on freeform holographic elements, realizing the 3×3 viewpoints array in two-dimensional directions on the pupil plane. The viewpoints spacing is 3mm, the FOV of each viewpoint is close to 40°×40°, and the eye relief is 25 mm, which can effectively overcome the eyebox limitation of the conventional RPD system. Detailed procedures of the design and analysis process of RPD system with extended eyebox will be demonstrated in this paper.

Citation Download Citation

Yongdong Wang, Tong Yang, Dongwei Ni, Dewen Cheng, and Yongtian Wang "Design of retinal projection near-eye display with extended eyebox based on freeform holographic elements", Proc. SPIE 12557, AOPC 2022: Optical Sensing, Imaging, and Display Technology, 125572U (23 January 2023); https://doi.org/10.1117/12.2651772

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