Patent ID: 8398260
Filing Date: 2013-03-19
Classification: F21K,F21V,F21Y

Abstract:
1. A heat-dissipation structure of the LED lamp, the LED lamp including a metal profile as a hollow extrusion, a lampshade attached to a bottom portion of the metal profile, a lamp head mounted around the combined lampshade and metal profile, wherein a pair of flanges are bilaterally formed on the bottom portion of the metal profile and each said flange and the bottom portion of the metal profile jointly define a receiving recess and a pair of receiving slots at two lateral sides of the metal profile, in which receiving recess a printed circuit board is inlaid, the printed circuit board having a first side provided with a plurality of LEDs facing downward toward the lampshade, the heat-dissipation structure including: a downward-bending arcuate surface of the metal profile being formed between the receiving slots at two lateral sides of the metal profile for contacting a second upward facing side of the printed circuit board opposite the first side of the printed circuit board; and a pair of pads being each positioned between the flange associated with a respective said receiving slot and the first side of printed circuit board, the pair of pads serving to prop two lateral sides of the printed circuit board upward such that the second upward facing side of the printed circuit board fits against the arcuate surface of the metal profile.