Illumination – Light source and modifier – With ventilating – cooling or heat insulating means
Reexamination Certificate
2011-02-15
2011-02-15
Husar, Stephen F (Department: 2875)
Illumination
Light source and modifier
With ventilating, cooling or heat insulating means
C362S373000
Reexamination Certificate
active
07887220
ABSTRACT:
A light emitting diode linear light which is high powered and has enhanced uniformity and illumination and is safe to humans, environmentally friendly, and possesses an extremely long lifetime is disclosed. The LED lighting comprises a polygonal light pipe, a light reflector panel, two LED packages, two LED PCBs, a plurality of heatsinks, a plurality of heat pipe assemblies, a protective housing, a back cover, and a diffuser cover. The polygonal light pipe comprises a transparent or semitransparent material. A patterned surface on the light emitting surface of the light pipe diffuses the emitted light. A patterned surface on the surface of the light pipe opposite the light emitting surface reflects light. The plurality of heat pipe assemblies comprise heatsinks and heat pipes. The heat pipes are hollow pipes that are filled with a liquid such as water or coolant and cooperate with the heatsinks to dissipate heat.
REFERENCES:
patent: 6367941 (2002-04-01), Lea et al.
patent: 2007/0159828 (2007-07-01), Wang
patent: 2008/0055516 (2008-03-01), Seo et al.
patent: 2008/0144319 (2008-06-01), Chang et al.
Chen Yen-Chieh
Liao Chien Liang
Wu Rong-Yaw
Yen Chih Ming
Chow Ming
Cranson James W
Husar Stephen F
Pixon Technologies Corp.
Sinorica LLC
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