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Proceedings Paper

Electron-beam-pumped VCSEL light source for projection display
Author(s): Michael D. Tiberi; Vladimir I. Kozlovsky
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Paper Abstract

An electron beam pumped vertical cavity laser, or an “eVCSEL”, has been developed as a low-cost light source for LCOS and DLP based consumer television. 1000 lumens directed towards the spatial light modulator requires a total power of 144 watts for lasers in the three primary colors. This power surplus allows for high screen brightness for rear projection televisions of diagonals greater than 50 inches and eliminates the need for high gain screens with the benefit of larger viewing angles. Because of the high saturation of laser light, a color gamut approaching that of the human visual system is possible, creating superior image reproduction.

Paper Details

Date Published: 10 April 2005
PDF: 7 pages
Proc. SPIE 5740, Projection Displays XI, (10 April 2005); doi: 10.1117/12.605922
Show Author Affiliations
Michael D. Tiberi, Principia LightWorks, Inc. (United States)
Vladimir I. Kozlovsky, P.N. Lebedev Physical Institute (Russia)


Published in SPIE Proceedings Vol. 5740:
Projection Displays XI
Ming H. Wu, Editor(s)

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