Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tay-Jian Liu0
Date of Patent
October 4, 2011
0Patent Application Number
124673090
Date Filed
May 18, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An LED illumination device includes a lamp housing, a heat sink, a cooling fan, and a light source. The heat sink, the cooling fan and the light source are received in the lamp housing. The heat sink includes a base and a plurality of fins extending from the base. The light source is attached to the base of the heat sink. The cooling fan causes ambient air to enter into the lamp housing and flow through the heat sink. A plurality of air-disturbing plates extends from the lamp housing towards the heat sink. The air-disturbing plates disturb the air in the lamp housing and guide the disturbed air into air passageways defined between adjacent fins of the heat sink.
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