Abstract

A novel design methodology for LED-array-based projection displays has been developed. By combining etendue limitation, system intensity, and efficiency requirements, a novel parameter space is proposed. Using this parameter space, LED lens-array and compound parabolic concentrator (CPC)-array illumination systems have been designed. A 1000-lm LED light source is built. Based on these lens-array and CPC-array illuminators, several LED-based liquid crystal on silicon (LCOS) projection systems are suggested. Among them, a one-panel LCOS projection system is proposed and tested. The method discussed here should be useful in the design of LED-array illumination systems for projectors in general.

© 2007 IEEE

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References

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  1. E. H. Stupp, M. S. Brennesholtz, Projection Displays (Wiley, 1998).
  2. M. H. Keuper, G. Harbers, S. Paolini, "RGB LED illuminator for pocket sized projectors," Proc. Soc. Inf. Disp. (SID'04) 943 (2004).
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  8. C. Nicolas, B. Loiseaux, J. P. Huignard, "Polarized light source for LCD projection," Displays 16, 43 (1995).
  9. B. G. Rho, J. S. Kim, "A new LCD projection system with higher brightness," Proc. 15th Int. Display Res. Conf. (1995) pp. 83.
  10. T. Gunjima, M. Ozeki, Y. Ooi, "New back-lighting devices for liquid crystal displays," Proc. 15th Int. Display Res. Conf. (1995) pp. 731-.
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2005 (1)

2004 (3)

N. Narendran, Y. Gu, R. Hosseinzadeh, "Estimating junction temperature of high-flux white LEDs," Proc. SPIE 5366, 158-160 (2004).

M. H. Keuper, G. Harbers, S. Paolini, "RGB LED illuminator for pocket sized projectors," Proc. Soc. Inf. Disp. (SID'04) 943 (2004).

W. Folkerts, Proc. Soc. Inf. Disp. (SID'04) 1226 (2004).

1995 (1)

C. Nicolas, B. Loiseaux, J. P. Huignard, "Polarized light source for LCD projection," Displays 16, 43 (1995).

Displays (1)

C. Nicolas, B. Loiseaux, J. P. Huignard, "Polarized light source for LCD projection," Displays 16, 43 (1995).

J. Display Technol. (1)

Proc. SPIE (1)

N. Narendran, Y. Gu, R. Hosseinzadeh, "Estimating junction temperature of high-flux white LEDs," Proc. SPIE 5366, 158-160 (2004).

Proc. Soc. Inf. Disp. (SID'04) (2)

M. H. Keuper, G. Harbers, S. Paolini, "RGB LED illuminator for pocket sized projectors," Proc. Soc. Inf. Disp. (SID'04) 943 (2004).

W. Folkerts, Proc. Soc. Inf. Disp. (SID'04) 1226 (2004).

Other (8)

SandiaSolid-State Lighting Archived Headline News (2004)) http://lighting.sandia.gov/Xlightingnewsarchive.htm.

H. Zou, A. Schleicher, J. Dean, "Single panel LCOS color projector with LED light sources," Proc. Soc. Inf. Disp. (SID'05) (2005) pp. 1698.

B. G. Rho, J. S. Kim, "A new LCD projection system with higher brightness," Proc. 15th Int. Display Res. Conf. (1995) pp. 83.

T. Gunjima, M. Ozeki, Y. Ooi, "New back-lighting devices for liquid crystal displays," Proc. 15th Int. Display Res. Conf. (1995) pp. 731-.

S. Shikama, E. Toids, M. Kondo, "A polarization transforming optics for high luminance LCD projector," Proc. Soc. Inf. Disp. (1991) pp. 301.

A. deVaan, A. de Brandt, R. Karsmakers, M. Stroomer, W. Timmers, "Polarization conversion system LCD projection," Proc. 13th Int. Display Res. Conf. (1993) pp. 253.

H. S. Kwok, H. C. Huang, Optical systems for liquid crystal display projectors U.S. Patent 6 793 344 B2 (2004).

E. H. Stupp, M. S. Brennesholtz, Projection Displays (Wiley, 1998).

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