Illumination – Plural light sources – With modifier
Reexamination Certificate
2011-04-19
2011-04-19
Lee, Y My Quach (Department: 2885)
Illumination
Plural light sources
With modifier
C362S246000, C362S555000
Reexamination Certificate
active
07926975
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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Ivey John
Palazzolo Francis
Siemiet Dennis
Altair Engineering, Inc.
Lee Y My Quach
Young & Basile
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