Light valve for high-performance video projection

Matthew D. Cowan; James V. Baker; Werner E. Haas

doi:10.1117/12.164725

1 December 1993 Light valve for high-performance video projection

Matthew D. Cowan, James V. Baker, Werner E. Haas

Proceedings Volume 1988, Display Systems; (1993) https://doi.org/10.1117/12.164725
Event: Electronic Imaging Device Engineering, 1993, Munich, Germany

Abstract

A light valve has been developed that is suitable for high performance video projection display applications. This device uses a chalcogenide photoconductor in a resistive mode switching configuration. Resolutions of greater than 1000 lines and video rate response times have been shown. Optical isolation of greater than 10⁷ and contrast ratios of 75:1 have been achieved. This paper also addresses the application of the light valve to a projector.

Citation Download Citation

Matthew D. Cowan, James V. Baker, and Werner E. Haas "Light valve for high-performance video projection", Proc. SPIE 1988, Display Systems, (1 December 1993); https://doi.org/10.1117/12.164725

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