30 May 2003 Desktop autostereoscopic display using compact LED projector
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Abstract
A stereoscopic display using a curved directional reflection (CDR) screen and projectors is a promising approach towards realizing an immersive three-dimensional (3D) display system. The CDR screen consists of a corner reflective mirror sheet for horizontal focusing and an anisotropic diffuser sheet for vertical diffusion. The CDR 3D display can provide bright and large images without the need for special glasses. In this paper, we introduce this immersive 3D display technique onto the desktop display. To realize this concept, we have developed the compact projectors with light emitting diode (LED) light sources and a liquid crystal on silicon (LCOS). These have allowed the realization of 65 mm width projectors that are able to be put side by side at the interocular distance. The efficient optical system of an LED array as area-light-sources combined with an ultra high gain (>100) CDR screen have allowed for a desktop autostereoscopic display whose luminance is more than 100 cd/m2 with only 9 W power consumption. This system provides immersive 3D images for only the observer and keeps his privacy.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hiroki Kaneko, Hiroki Kaneko, Tetsuya Ohshima, Tetsuya Ohshima, Osamu Ebina, Osamu Ebina, Akira Arimoto, Akira Arimoto, } "Desktop autostereoscopic display using compact LED projector", Proc. SPIE 5006, Stereoscopic Displays and Virtual Reality Systems X, (30 May 2003); doi: 10.1117/12.477279; https://doi.org/10.1117/12.477279
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