Compact light engine with light guides for projection display system
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United States of America Patent
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-
May 3, 2005
Grant Date -
Dec 18, 2003
app pub date -
Jun 4, 2002
filing date -
Jun 4, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A light engine for a single panel scrolling color projection display system employs a light guide to guide light from a source through unequal path lengths to an output lens. The light guide is characterized by little or no light loss or increase in etendue (angular extent) regardless of path length, resulting in a compact arrangement having high performance and low cost.
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Family
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Cited Art Landscape
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