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http://dx.doi.org/10.3807/KJOP.2012.23.6.255

Display System on a Tabletop for Two Viewers  

Yoon, Ki-Hyuk (Department of Physics, The University of Seoul)
Kim, Sung-Kyu (Imaging Media Research Center, Korea Institute of Science and Technology)
Publication Information
Korean Journal of Optics and Photonics / v.23, no.6, 2012 , pp. 255-263 More about this Journal
Abstract
In this paper, we designed a tabletop display which enables two viewers each to see a different image simultaneously within his/her defined viewing zone. In order to construct the designed viewing zones, we found the basic design conditions for a parallax barrier with a commercial LCD panel. As the viewing zones for two viewers are formed with only two view-point design, the interval between the center positions of each viewing zone and the width of each viewing zone are small compared to designed values. We analyzed the primary cases, introduced two modified design methods to enlarge the interval and the width of the viewing zones, and simulated their characteristics. As designed with six unit view-point and each viewing zone of each viewer is formed with a merged view-point, we found that adequate interval and width of viewing zones can be made, and we verified it in comparison with the tabletop display module that we fabricated.
Keywords
Table-top display; Auto-stereoscopic display; Multiple viewers; Viewing zone;
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