Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Fang-Xiang Yu0
Shun-Yuan Jan0
Chung-Yuan Huang0
Date of Patent
December 8, 2009
0Patent Application Number
119670700
Date Filed
December 29, 2007
0Patent Primary Examiner
Patent abstract
A light emitting diode (LED) lamp (100) includes a heat sink (200), an LED module (400) attached to a bottom side of the heat sink (200), and an air exhausting duct (300). The air exhausting duct includes a cover (320) and a hollow tube (340) extending upwardly from the cover. The cover is mounted on a top side of the heat sink with an air collecting chamber (326) defined between the heat sink and the cover. The air collecting chamber communicates with an air passage (342) defined in the tube.
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