Focus-free head-mounted display using pinhole and retroreflector film

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PubDate: March 2018

Teams: Kyung Hee University

Writers: Hyeongkyu Do; Young Min Kim; Sung-Wook Min

PDF: Focus-free head-mounted display using pinhole and retroreflector film

Abstract

We propose a focus-free retinal projection system, which is composed of a display device without coherent light, a pinhole, and a retroreflector film. By virtue of the retroreflector film as an image conjugator, a pinhole conjugate is formed as a small exit pupil at the center of eye pupil, which enables focus-free retinal imaging regardless of focal length of eye lens. This focus-free property of the proposed system addresses accommodation-vergence mismatch of three-dimensional augmented reality display system. We perform the experiments to prove the focus-free property of our proposed system.

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