30 November 2004 100-inch 3D real-image rear-projection display system based on Fresnel lens
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In this paper, as an approach for a wide 3D real image display system without special glasses, a 100" Fresnel lens-based 3D real-projection display system is implemented and its physical size is designed by 2800x2800x1600 mm3 in length, width and depth, respectively. In this display system, the conventional 2D video image is projected into the air through some projection optics and a pair of Fresnel lens and as a result, it can form a floating video image having a real depth. From some experiments with the test video images, the floated 3D video images with some depth have been realistically viewed, in which forward depth of the floated 3D image from the display screen is found to be 35~47 inches and the viewing angle to be 60 degrees, respectively. This feasibility test for the prototype of 100" Fresnel lens-based 3D real image rear-projection display systems suggests a possibility of its practical applications to the 3D advertisements, 3D animations, 3D games and so on.
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Sun-Joo Jang, Sun-Joo Jang, Seung-Chul Kim, Seung-Chul Kim, Jung-Sik Koo, Jung-Sik Koo, Jung-Il Park, Jung-Il Park, Eun-Soo Kim, Eun-Soo Kim, } "100-inch 3D real-image rear-projection display system based on Fresnel lens", Proc. SPIE 5618, Integrated Optical Devices, Nanostructures, and Displays, (30 November 2004); doi: 10.1117/12.579490; https://doi.org/10.1117/12.579490

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