17 March 2015 360-degree three-dimensional flat panel display using holographic optical elements
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We proposed the 360-degree 3D display system which is composed of a flat panel display, a light control film, and holographic optical element (HOE). The HOE is a diffraction grating which is made by holography technique. HOE lens can be produced on the thin polygonal glass plate. The light control film and HOE lenses are used to control the direction of light from the flat panel display in our system. The size of proposed system depends on the size of the flat panel display is because other parts of proposed system are thin and placed on the screen of the flat panel display. HOE lenses and a light control film are used to control lights from multiple pixels of a flat panel display to multiple viewpoints. To display large 3D images and to increase viewpoints, we divided parallax images into striped images and distributed them on the display for multiple viewpoints. Therefore, observers can see the large 3D image around the system. To verify the effectiveness of the proposed system, we made the experimental system. To verify the effectiveness of the proposed system, we constructed the part of the proposed system. The experimental system is composed of the liquid crystal display (LCD), prototype HOE lenses, and light control films. We confirmed that experimental system can display two images to different viewpoints. This paper describes the configuration of the proposed system, and also describes the experimental result.
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Hirofumi Yabu, Hirofumi Yabu, Yusuke Takeuchi, Yusuke Takeuchi, Kayo Yoshimoto, Kayo Yoshimoto, Hideya Takahashi, Hideya Takahashi, Kenji Yamada, Kenji Yamada, "360-degree three-dimensional flat panel display using holographic optical elements", Proc. SPIE 9391, Stereoscopic Displays and Applications XXVI, 93910M (17 March 2015); doi: 10.1117/12.2077036; https://doi.org/10.1117/12.2077036


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