Abstract

A novel micro-grooved structure of lightguides and a sequential driving scheme of light sources were demonstrated in achieving comparable image qualities of 3-D displays to that of 2-D displays. The modified distribution of micro-grooves not only locates viewing cones for respective eyes but also suppresses the moiré pattern, which might occur when a periodic micro-grooved structure and a color filter are superimposed. The configuration of lightguides for a 1.8-in liquid crystal display (LCD) panel can yield acceptable 3-D perceptions at the viewing distance of 7–23 cm and the brightness uniformity of greater than 83%. In addition, the driving scheme of light sources in synchronization with parallax images can project images to the viewer's respective eyes sequentially. With the refreshing sub-frame rate of 190 Hz and double displaying parallax images, the image crosstalk of 3-D perceptions can be efficiently reduced for an LC response time of 7.0 ms.

© 2007 IEEE

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References

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  1. Y. M. Chu, K. W. Chien, H. P. D. Shieh, J. M. Chang, A. Hu, Y. C. Shiu, V. Yang, "3D mobile display based on dual-directional light guides with a fast-switching liquid-crystal panel," J. Soc. Inf. Display 13, 875-879 (2005).
  2. I. Sexton, "Parallax barrier 3D TV," SPIE Proc. 1083, 84-91 (1989).
  3. H. Morishama, H. Nose, N. Taniguchi, K. Inoguchi, S. Matsumura, "An eyeglass-free rear-cross-lenticular 3D display," SID Symp. Dig. Tech. Papers (1998) pp. 923-926.
  4. K. Toyooka, "The 3D display using field-sequential LCD with light direction controlling backlight," SID'01 Dig. 177-180 (2001).
  5. K. W. Chien, H. P. D. Shieh, "Time-multiplexed three-dimensional displays based on directional backlights with fast-switching liquid-crystal displays," Appl. Opt. 45, 3106-3110 (2006).
  6. G. Oster, M. Wasserman, C. Zwerling, "Theoretical interpretation of moire' pattern," J. Opt. Soc. Amer. 54, 169-175 (1964).
  7. H. Yang, Introduction of Precision Micromachining Technology (Chwa, 2004).
  8. P. May, "Reconfigurable 2D/3D displays," SID Inf. Display 19, 326-30 (2003).
  9. Y. C. Yeh, Design and fabrication of moire-free dual directional backlight system for 3D mobile display Master thesis National Chiao Tung Univ.HsinchuTaiwan, R.O.C. (2006).
  10. C. H. Chen, Y. C. Yeh, H. P. D. Shieh, J. M. Chang, A. Hu, V. Yang, Y. C. Shiu, C. L. Du, S. C. Hsu, "Moiré pattern and image crosstalk reduction in 3D mobile display," SID 06 1154-1157 (2006).

2006

K. W. Chien, H. P. D. Shieh, "Time-multiplexed three-dimensional displays based on directional backlights with fast-switching liquid-crystal displays," Appl. Opt. 45, 3106-3110 (2006).

C. H. Chen, Y. C. Yeh, H. P. D. Shieh, J. M. Chang, A. Hu, V. Yang, Y. C. Shiu, C. L. Du, S. C. Hsu, "Moiré pattern and image crosstalk reduction in 3D mobile display," SID 06 1154-1157 (2006).

2005

Y. M. Chu, K. W. Chien, H. P. D. Shieh, J. M. Chang, A. Hu, Y. C. Shiu, V. Yang, "3D mobile display based on dual-directional light guides with a fast-switching liquid-crystal panel," J. Soc. Inf. Display 13, 875-879 (2005).

2003

P. May, "Reconfigurable 2D/3D displays," SID Inf. Display 19, 326-30 (2003).

2001

K. Toyooka, "The 3D display using field-sequential LCD with light direction controlling backlight," SID'01 Dig. 177-180 (2001).

1989

I. Sexton, "Parallax barrier 3D TV," SPIE Proc. 1083, 84-91 (1989).

1964

G. Oster, M. Wasserman, C. Zwerling, "Theoretical interpretation of moire' pattern," J. Opt. Soc. Amer. 54, 169-175 (1964).

Appl. Opt.

J. Soc. Inf. Display

Y. M. Chu, K. W. Chien, H. P. D. Shieh, J. M. Chang, A. Hu, Y. C. Shiu, V. Yang, "3D mobile display based on dual-directional light guides with a fast-switching liquid-crystal panel," J. Soc. Inf. Display 13, 875-879 (2005).

J. Opt. Soc. Amer.

G. Oster, M. Wasserman, C. Zwerling, "Theoretical interpretation of moire' pattern," J. Opt. Soc. Amer. 54, 169-175 (1964).

SID 06

C. H. Chen, Y. C. Yeh, H. P. D. Shieh, J. M. Chang, A. Hu, V. Yang, Y. C. Shiu, C. L. Du, S. C. Hsu, "Moiré pattern and image crosstalk reduction in 3D mobile display," SID 06 1154-1157 (2006).

SID Inf. Display

P. May, "Reconfigurable 2D/3D displays," SID Inf. Display 19, 326-30 (2003).

SID'01 Dig.

K. Toyooka, "The 3D display using field-sequential LCD with light direction controlling backlight," SID'01 Dig. 177-180 (2001).

SPIE Proc.

I. Sexton, "Parallax barrier 3D TV," SPIE Proc. 1083, 84-91 (1989).

Other

H. Morishama, H. Nose, N. Taniguchi, K. Inoguchi, S. Matsumura, "An eyeglass-free rear-cross-lenticular 3D display," SID Symp. Dig. Tech. Papers (1998) pp. 923-926.

H. Yang, Introduction of Precision Micromachining Technology (Chwa, 2004).

Y. C. Yeh, Design and fabrication of moire-free dual directional backlight system for 3D mobile display Master thesis National Chiao Tung Univ.HsinchuTaiwan, R.O.C. (2006).

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