Eye-box expansion using waveguide and holographic optical element for augmented reality head-mounted display

Bongsu Shin; Sunil Kim; Vladislav Druzhin; Polina Malinina; Sergey Dubynin; Sergey Afanasyev; German Dubinin; Sergey Kopenkin; Yuriy Borodin; Andrey Putilin; Wontaek Seo; Chang-Kun Lee; Geeyoung Sung; Yun-Tae Kim; Juwon Seo; Jae-Seung Chung; Hong-Seok Lee; Sung-Hoon Hong

doi:10.1117/12.2544737

19 February 2020 Eye-box expansion using waveguide and holographic optical element for augmented reality head-mounted display

Bongsu Shin, Sunil Kim, Vladislav Druzhin, Polina Malinina, Sergey Dubynin, Sergey Afanasyev, German Dubinin, Sergey Kopenkin, Yuriy Borodin, Andrey Putilin, Wontaek Seo, Chang-Kun Lee, Geeyoung Sung, Yun-Tae Kim, Juwon Seo, Jae-Seung Chung, Hong-Seok Lee, Sung-Hoon Hong

Author Affiliations +

Proceedings Volume 11310, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR); 113100F (2020) https://doi.org/10.1117/12.2544737
Event: SPIE AR VR MR, 2020, San Francisco, California, United States

Abstract

The eye-box expansion method using the merging of waveguide and HOE (holographic optical element) is presented. Using the waveguide with the refractive index of 1.7, the wide FoV (field of view) that is up to 60° is achieved. Full color and wide FoV are obtained using 2 waveguides. Projection optical system based on Scheimpflug principle is proposed and designed to compensate large-scale off-axis HOE aberrations. In order to enhance image quality, the projection system is precisely simulated and the grating pitch and alignment are calculated to increase the eye-box and uniformity.

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Bongsu Shin, Sunil Kim, Vladislav Druzhin, Polina Malinina, Sergey Dubynin, Sergey Afanasyev, German Dubinin, Sergey Kopenkin, Yuriy Borodin, Andrey Putilin, Wontaek Seo, Chang-Kun Lee, Geeyoung Sung, Yun-Tae Kim, Juwon Seo, Jae-Seung Chung, Hong-Seok Lee, and Sung-Hoon Hong "Eye-box expansion using waveguide and holographic optical element for augmented reality head-mounted display", Proc. SPIE 11310, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR), 113100F (19 February 2020); https://doi.org/10.1117/12.2544737

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