Patent ID: 7699501

Claim:
An LED illuminating device, comprising: an optical section disposed at a front end of the LED illuminating device, a light source being provided in the optical section; an electrical section disposed at a rear end of the LED illuminating device and electrically connecting with the light source; and a heat dissipation section disposed between the optical section and the electrical section, the heat dissipation section being provided with a heat dissipation device, the heat dissipation device comprising: a heat sink comprising a solid metal base and a plurality of metal fins extending radially and outwardly from the metal base, the metal base being provided with a through hole; a mounting seat to which the light source is attached; and a heat pipe connecting the mounting seat with the heat sink, the heat pipe comprising an evaporating portion and a condensing portion, the condensing section of the heat pipe being fittingly received in the through hole of the metal base, and the evaporating portion of the heat pipe being mounted to the mounting seat; wherein the mounting seat comprises a top mounting block and a bottom mounting block, and the evaporating portion of the heat pipe is sandwiched between the top mounting block and the bottom mounting block; and wherein the top mounting block is attached to the metal base of the heat sink.