Patent ID: 8319408
Filing Date: 2012-11-27
Classification: F21K,F21V,F21Y

Abstract:
1. An LED lamp comprising: a housing having an assembling opening and an electrical connection member on two ends of the housing, wherein an inner surface of the housing defines a receiving room, and a part of the inner surface of the housing adjacent to the assembling opening is an air-guiding wall; a cooling module disposed at the assembling opening of the housing to form at least one air channel between the cooling module and the air-guiding wall, wherein the cooling module has an air-guiding passage communicating with the receiving room of the housing, wherein the cooling module comprises a heat sink and a cooling fan, with the cooling fan coupled with the heat sink, wherein the cooling fan of the cooling module has a frame, a fan wheel received in the frame, and a radial extending member formed on bottom of the frame, with the at least one air channel formed between the air-guiding wall and the radial extending member, and with the air-guiding passage formed between the radial extending member and the heat sink; and a light emitting diode coupled with the cooling module; wherein the at least one air channel is at least one radial inlet and the air-guiding passage is a radial outlet, or the at least one air channel is at least one radial outlet and the air-guiding passage is a radial inlet.