LED lamp having heat dissipation structure

Details LED lamp having heat dissipation structure LED lamp having heat dissipation structure

2007-12-18

2010-02-02

Choi, Jacob Y (Department: 2885)

Illumination

Light source and modifier

With ventilating, cooling or heat insulating means

C362S373000

Reexamination Certificate

active

07654699

ABSTRACT:
An LED lamp for lighting purpose includes a lamp base, a heat sink, a plurality of LED modules and a blower. The lamp base encloses an inner space and defines a plurality of vents therein. The vents communicate the inner space with a surrounding atmosphere. The heat sink comprises a cylinder at a center thereof. The cylinder has a through hole therein, which communicates with the inner space and vents of the lamp base and cooperates therewith to form an air passage. The LED modules are attached to a periphery of the heat sink. The blower generates an airflow circulating through the air passage to thereby dissipate heat generated by the LED modules.

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patent: 200900629 (2009-01-01), None

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