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US 2010/0302771 A1Published application
LED-based streetlamp for emitting white light with easily adjustable color temperature
AssigneeJoe Yang
InventorsJoe Yang, Kai-Ren Yang
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AssigneeJoe Yang
InventorsJoe Yang, Kai-Ren Yang
Estimating the term…
Disclosed is an LED-based streetlamp for emitting white light with easily adjustable color temperature. The LED-based streetlamp includes at least one substrate, at least three red LED packages, at least three green LED packages, at least three blue LED packages and a lamp holder. The red, green and blue LED packages are provided on the substrate. Each of the LED packages includes scattering particles for providing preferred senses of direction of light so that red, green and blue light beams cast from the red, green and blue LED packages almost completely overlap to provide a white light beam.
A streetlamp comprising:
Dependencies are inferred from the claim text.