Mr. Toshihiko Hashiba Profile

Toshihiko Hashiba

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Proceedings Article | 25 October 2004 Paper

Development of a 3D pixel module for an ultralarge screen 3D display

Toshihiko Hashiba, Yasuhiro Takaki

Proceedings Volume 5599, (2004) https://doi.org/10.1117/12.571151

KEYWORDS: 3D displays, LCDs, Large screens, Prototyping, 3D image processing, Light sources, RGB color model, Light emitting diodes, Photography, Cylindrical lenses

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A large screen 2D display used at stadiums and theaters consists of a number of pixel modules. The pixel module usually consists of 8x8 or 16x16 LED pixels. In this study we develop a 3D pixel module in order to construct a large screen 3D display which is glass-free and has the motion parallax. This configuration for a large screen 3D display dramatically reduces the complexity of wiring 3D pixels. The 3D pixel module consists of several LCD panels, several cylindrical lenses, and one small PC. The LCD panels are slanted in order to differentiate the distances from same color pixels to the axis of the cylindrical lens so that the rays from the same color pixels are refracted into the different horizontal directions by the cylindrical lens. We constructed a prototype 3D pixel module, which consists of 8x4 3D pixels. The prototype module is designed to display 300 different patterns into different horizontal directions with the horizontal display angle pitch of 0.099 degree. The LCD panels are controlled by a small PC and the 3D image data is transmitted through the Gigabit Ethernet.

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