INCREASED EFFICIENCY LED PROJECTOR OPTIC ASSEMBLY
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United States of America Patent
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N/A
Issued Date -
Dec 11, 2008
app pub date -
Jun 7, 2007
filing date -
Jun 7, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A projector optic assembly for generating and projecting a high gradient beam. The assembly includes a light pipe defining an optical axis and having a collection unit, a funneling unit, and an emitting surface. The collection unit extends from a first end to a transition plane defining the transition from the collection unit to the funneling unit. The collection unit is configured to collect light from a source and direct it through the transition plane, whereafter the funneling unit extends from the transition plane to the emitting surface. The emitting surface has an area smaller than an area of the transition plane selected to increase the efficiency of the funneling unit. Spaced apart from and generally opposite of the emitting surface is a condenser lens
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