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

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  1. P. J. Bos, K. R. Koehler/Beran, "The p-cell, a fast liquid-crystal optical switching device," Mol. Cryst. Liq. Cryst. 113, 329 (1984).
  2. L. M. Blinov, V. G. Chigrinov, Electrooptic Effects in Liquid Crystal Materials (Springer-Verlag, 1994).
  3. P. Bos, Stereo Computer Graphics and Other True 3D Technologies (Princeton University Press, 1993) pp. 101-103.
  4. H. Mori, Y. Itoh, Y. Nishiura, T. Nakamura, Y. Shinagawa, "Performance of a novel optical compensation film based on negative birefringence of discotic compound for wide-viewing-angle twisted-nematic liquid-crystal displays," Jpn. J. Appl. Phys. 36, 1143-147 (1997).
  5. H. Mori, P. J. Bos, "Optical performance of the p-cell compensated with a negative-birefringence film and an A-plate," Jpn. J. Appl. Phys. 38, 12837-2844 (1999).
  6. T. Sergan, M. Sonpatki, L. C. Chien, J. Kelly, "Optical characterization of discotic liquid crystalline films," Mol. Cryst. Liq. Cryst. 359, 245-257 (2001).
  7. O. Yaroschuk, T. Sergan, J. Lindau, S. N. Lee, J. Kelly, L.-C. Chien, "Light induced structures in liquid crystalline side-chain polymers with azobenzene functional groups," J. Chem. Phys. 114, 5330 (2001).
  8. D. W. Berremann, "Optics in stratified and anisotropic media: 4 x 4 matrix formulation," J. Opt. Soc. Amer. 62, 502-510 (1972).

J. Chem. Phys. (1)

O. Yaroschuk, T. Sergan, J. Lindau, S. N. Lee, J. Kelly, L.-C. Chien, "Light induced structures in liquid crystalline side-chain polymers with azobenzene functional groups," J. Chem. Phys. 114, 5330 (2001).

J. Opt. Soc. Amer. (1)

D. W. Berremann, "Optics in stratified and anisotropic media: 4 x 4 matrix formulation," J. Opt. Soc. Amer. 62, 502-510 (1972).

Jpn. J. Appl. Phys. (2)

H. Mori, Y. Itoh, Y. Nishiura, T. Nakamura, Y. Shinagawa, "Performance of a novel optical compensation film based on negative birefringence of discotic compound for wide-viewing-angle twisted-nematic liquid-crystal displays," Jpn. J. Appl. Phys. 36, 1143-147 (1997).

H. Mori, P. J. Bos, "Optical performance of the p-cell compensated with a negative-birefringence film and an A-plate," Jpn. J. Appl. Phys. 38, 12837-2844 (1999).

Mol. Cryst. Liq. Cryst. (1)

P. J. Bos, K. R. Koehler/Beran, "The p-cell, a fast liquid-crystal optical switching device," Mol. Cryst. Liq. Cryst. 113, 329 (1984).

Mol. Cryst. Liq. Cryst. (1)

T. Sergan, M. Sonpatki, L. C. Chien, J. Kelly, "Optical characterization of discotic liquid crystalline films," Mol. Cryst. Liq. Cryst. 359, 245-257 (2001).

Other (2)

L. M. Blinov, V. G. Chigrinov, Electrooptic Effects in Liquid Crystal Materials (Springer-Verlag, 1994).

P. Bos, Stereo Computer Graphics and Other True 3D Technologies (Princeton University Press, 1993) pp. 101-103.

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