Illumination – Plural light sources – With modifier
Reexamination Certificate
2011-08-02
2011-08-02
Husar, Stephen F (Department: 2875)
Illumination
Plural light sources
With modifier
C362S227000, C362S231000, C362S244000, C362S247000, C362S249020
Reexamination Certificate
active
07988327
ABSTRACT:
A LED luminaire comprises a heat sink disposed above an LED array and in thermal communication with the LED array, the LED array having at least one red LED and a plurality of cool white LEDs, the at least one red LED providing a warmer correlated color temperature for an output light and the plurality of white LEDs providing a higher efficacy, a diffuser positioned to enclose the LED array between the heat sink and the diffuser, the diffuser color mixing the at least one red LED and the plurality of cool white LEDs rendering a red light from the at least one red LED indiscernible from a cool white light of the plurality of white LEDs, a reflector positioned adjacent the heat sink.
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Jamasbi Khosrow
Knoble David W.
Dunwiddie Meghan K
Husar Stephen F
Koninklijke Philips Electronics , N.V.
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