Light distribution using a light emitting diode assembly
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United States of America Patent
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Apr 19, 2011
Grant Date -
Jul 8, 2010
app pub date -
Mar 16, 2010
filing date -
Dec 21, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A fluorescent light tube retrofit with light emitting diodes (LEDs) that evenly distribute light to avoid bright spots is disclosed. One LED lighting unit includes a tubular housing and a plurality of LED assemblies mounted about a circumference of the tubular housing. LEDs face inward from a mounting surface that is angled offset of the tube. Alternatively, at least one LED can be oriented to emit light parallel to a tangent of the housing into a light pipe that curves inside at least a portion of the tubular housing.
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