Two LCOS full color projector with efficient LED illumination engine

Displays

Volumn 30, Issue 4-5, 2009, Pages 155-163

  Murat, Hüseyin ^a   Avci, Aykut ^a   Beernaert, Roel ^a   Dhaenens, Kristof ^b   Smet, Herbert De ^a,b   Bogaert, Lawrence ^c   Meuret, Youri ^c   Thienpont, Hugo ^c  

^a GHENT UNIVERSITY   (Belgium)

^b IMEC   (Belgium)

^c VRIJE UNIVERSITEIT BRUSSEL   (Belgium)

Author keywords

Gradually tapered light pipe; LED; Projector; QXGA LCOS

Indexed keywords

COLOR BREAK-UP; COLOR CHANNELS; COLOR SEQUENTIAL; CONTRAST RATIO; ENGINE DESIGN; FULL COLOR; HIGH CONTRAST; ILLUMINATION SYSTEM; LED ILLUMINATION; LED PROJECTOR; LIGHT OUTPUT; LIQUID CRYSTAL ON SILICON; MONOLITHIC COMPONENT; SIMULATION RESULT; TAPERED LIGHT PIPE;

COST REDUCTION; LIGHT EMITTING DIODES; LIQUID CRYSTALS; MACHINE DESIGN; PIPE;

COLOR;

EID: 71849113467     PISSN: 01419382     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.displa.2009.05.001     Document Type: Article

References (17)

1. Murat H., De Smet H., Cuypers D., Meuret Y., Thienpont H., Vervaeke M., and Desmet L. Increased lumens per étendue by combining pulsed light-emitting diodes. Optical Engineering 45/3 (2006) 034002
2. G. Harbers, M. Keuper, S. Paolini, Performance of high power LED illuminators in color sequential projection displays, in: IDW '03 Proceedings of the 10th International Display Workshop, Fukuoka, 2003, pp. 1585-1588.
3. G. Harbers, S. Paolini, M. Keuper, Performance of high-power LED illuminators in projection displays, in: SID Microdisplay 2002 Digest of Papers, Westminster, 2002.
4. Steel R.V. The story of a new light source. Nature Photonics 1 (2006) 25-26
5. M.H. Keuper, G. Harbers, S. Paolini, RGB LED illuminator for pocket-sized projectors, in: SID'04 Digest of Technical Papers, 2004, pp. 943-945.
6. .
7. Murat H., Gielen A., and De Smet H. Gradually tapered light pipes for illumination of LED projectors. Journal of SID 15 (2007) 519-526
8. .
9. V. Presnyakov, Z. Lui, V.G. Chigrinov, Fast optical retarder using deformed-helical ferroelectric liquid crystals, in: Proceedings of the SPIE, vol. 5970, 2005, pp. 426-435.
10. A.E. Rosenbluth, M. Lu, K.-H. Yang, K. Ho, R.N. Singh, T. Nakasogi, Correction of contrast in projection systems by means of phase-controlled prism coatings and band-shifted twist compensators, in: Projection Displays 2000: Sixth in a Series, vol. 3954, San Jose, 2000, pp. 63-90.
11. ANSI/PIMA IT7.227-1998, American National Standard for Audiovisual Systems - Electronic projection - Variable Resolution Projectors, 1998.
12. H. Zou, A. Schleicher, J. Dean, Single-panel LCOS color projector with LED light sources, in: SID 05 Digest of Technical Papers, 2005, pp. 1698-1701.
13. .
14. R.H. Haitz, Light Source for Projection Display, US Patent #5,971,545, issued October 26, 1999.
15. J. Wheatley, C. Leatherdale, A. Ouderkirk, POLARIZED LED, EP20050801187, 3M Center, 2007-11-07.
16. H. De Smet, J. Van Den Steen, G. Van Doorselaer, A. Van Calster, Refresh Pixel Circuit for Active Matrix, EP 1516314 (A1), Gemidis NV, 2005-03-23.
17. Yu X.-J., Ho Y.L., Tan L., Huang H.-C., and Kwok H.-S. LED-based projection systems. Journal of Display Technology 3/3 (2007) 295-303