LED lighting device having improved cooling characteristics

Details LED lighting device having improved cooling characteristics LED lighting device having improved cooling characteristics

2011-03-22

2011-03-22

Tso, Laura (Department: 2875)

Illumination

Plural light sources

With support

C362S294000, C362S373000

Reexamination Certificate

active

07909481

ABSTRACT:
An LED light bulb includes a base member and one or more light emitting diodes mounted on the base member and in thermal communication with the base member. The one or more light emitting diodes are configured to emit light. A top-mount member is in thermal communication with the base member. The top-mount member includes a reflective surface configured to reflect the light emitted by the one or more light emitting diodes in predetermined directions. The top-mount member includes one or more cooling members configured to dissipate heat generated by the one or more light emitting diodes to the ambient environment.

REFERENCES:
patent: 2005/0201098 (2005-09-01), DiPenti et al.
patent: 2006/0285325 (2006-12-01), Ducharme
patent: 2008/0062703 (2008-03-01), Cao
patent: 2008/0089079 (2008-04-01), Gunnewig et al.
patent: 2008/0225544 (2008-09-01), Fujiwara et al.
patent: 2009/0147521 (2009-06-01), Zhang et al.
patent: 2009/0154168 (2009-06-01), Zhang et al.

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