SONY

Full-color binocular retinal scan AR display with pupil tracking system

Date
2023
Academic Conference
SPIE AR | VR | MR: Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) IV
Authors
Akira Yoshikaie (Sony Group Corporation)
Ryo Ogawa (Sony Group Corporation)
Teppei Imamura (Sony Group Corporation)
Kenji Ohki (Sony Group Corporation)
Katsunori Seno (Sony Group Corporation)
Yusuke Ogawa (Sony Group Corporation)
Kuniya Abe (Sony Group Corporation)
Masahiro Takada (Sony Group Corporation)
Yuki Mamishin (Sony Group Corporation)
Akihito Yajima (Sony Group Corporation)
Shunsuke Inagaki (Sony Group Corporation)
Masahiro Ando (Sony Group Corporation)
Susumu Seino (Sony Group Corporation)
Research Areas
Display & Expression

Abstract

We have developed a full-color binocular retinal scan AR display, presenting an always-in-focus image to the viewer with a pupil tracking system combined with mechanical movement of an HOE combiner and steering the beam incident angle to the HOE combiner. We achieved high image quality by suppressing dispersion with a relay optical system using a holographic compensator. Our wearable prototype supported a binocular stereoscopic image with 980×560 pixels resolution per eye, 47° diagonal field of view, 6.4×3.2 mm2 eyebox, and mechanical IPD adjustment from 55 to 71 mm as an initial setting.

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