Autostereoscopic display with 60 ray directions using LCD with optimized color filter layout

Takafumi Koike; Michio Oikawa; Kei Utsugi; Miho Kobayashi; Masami Yamasaki

doi:10.1117/12.704633

5 March 2007 Autostereoscopic display with 60 ray directions using LCD with optimized color filter layout

Takafumi Koike, Michio Oikawa, Kei Utsugi, Miho Kobayashi, Masami Yamasaki

Proceedings Volume 6490, Stereoscopic Displays and Virtual Reality Systems XIV; 64900T (2007) https://doi.org/10.1117/12.704633
Event: Electronic Imaging 2007, 2007, San Jose, CA, United States

Abstract

We developed a mobile-size integral videography (IV) display that reproduces 60 ray directions. IV is an autostereoscopic video image technique based on integral photography (IP). The IV display consists of a 2-D display and a microlens array. The maximal spatial frequency (MSF) and the number of rays appear to be the most important factors in producing realistic autostereoscopic images. Lens pitch usually determines the MSF of IV displays. The lens pitch and pixel density of the 2-D display determine the number of rays it reproduces. There is a trade-off between the lens pitch and the pixel density. The shape of an elemental image determines the shape of the area of view. We developed an IV display based on the above correlationship. The IV display consists of a 5-inch 900-dpi liquid crystal display (LCD) and a microlens array. The IV display has 60 ray directions with 4 vertical rays and a maximum of 18 horizontal rays. We optimized the color filter on the LCD to reproduce 60 rays. The resolution of the display is 256x192, and the viewing angle is 30 degrees. These parameters are sufficient for mobile game use. Users can interact with the IV display by using a control pad.

Citation Download Citation

Takafumi Koike, Michio Oikawa, Kei Utsugi, Miho Kobayashi, and Masami Yamasaki "Autostereoscopic display with 60 ray directions using LCD with optimized color filter layout", Proc. SPIE 6490, Stereoscopic Displays and Virtual Reality Systems XIV, 64900T (5 March 2007); https://doi.org/10.1117/12.704633

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