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Journal of Display Technology

Journal of Display Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 3, Iss. 1 — Mar. 1, 2007
  • pp: 29–35

High-Performance Active Liquid Crystalline Shutters for Stereo Computer Graphics and Other 3-D Technologies

Tatiana Sergan, Vassili Sergan, and Boyd MacNaughton

Journal of Display Technology, Vol. 3, Issue 1, pp. 29-35 (2007)


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Abstract

Stereoscopic computer displays create a 3-D image by alternating two separate images for each of the viewer's eyes. Field-sequential viewing systems supply each eye with the appropriate image by blocking the wrong image for the wrong eye. In our work, we have developed a new mode of operation of a liquid crystal shutter that provides for highly effective blockage of undesired images when the screen is viewed in all viewing directions and eliminates color shifts associated with long turn-off times. The goal was achieved by using a π-cell filled with low-rotational-viscosity and high-birefringence fluid and additional negative birefringence films with splay optic axis distribution. The shutter demonstrates a contrast ratio higher than 800:1 for head-on viewing and 10:1 in the viewing cone of about 45°. The relaxation time of the shutter does not exceed 2 ms and is the same for all three primary colors.

© 2007 IEEE

Citation
Tatiana Sergan, Vassili Sergan, and Boyd MacNaughton, "High-Performance Active Liquid Crystalline Shutters for Stereo Computer Graphics and Other 3-D Technologies," J. Display Technol. 3, 29-35 (2007)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-3-1-29


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