LED lamp device

Details LED lamp device LED lamp device

2009-02-02

2011-11-08

Won, Bumsuk (Department: 2889)

Electric lamp and discharge devices

With temperature modifier

Envelope with internal temperature modifying baffle

C313S043000, C313S045000, C313S498000, C313S512000, C313S318010

Reexamination Certificate

active

08053959

ABSTRACT:
A light-emitting diode (LED) lamp device includes at least one light-emitting module and a heat-dissipation module. The heat-dissipation module includes a plurality of cooling fins arranged in a radial pattern and connected annularly at intervals around the light-emitting module. Each of the cooling fins has an outer rim folded back a predetermined distance toward the light-emitting module to form a bent edge. The bent edges are formed with arcuate folded-back portions so that the cooling fins have rib-like outer perimeters after the bent edges are formed. Thus, the LED lamp device is allowed to be held safely by the folded-back portions while the cooling fins are structurally strengthened.

REFERENCES:
patent: 2003/0048608 (2003-03-01), Crocker et al.
patent: 2006/0086484 (2006-04-01), Hegde
patent: 2007/0084595 (2007-04-01), Lin et al.
patent: 2009/0189169 (2009-07-01), Wei
patent: 2009/0323325 (2009-12-01), Long et al.
patent: 2010/0046168 (2010-02-01), Liaw
patent: 2010/0103675 (2010-04-01), Yu et al.

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