Patent ID: 8593042

Claim:
An LED lamp, comprising: a housing having an accommodation space; a heat dissipation device accommodated in said accommodation space; a substrate disposed at a lateral side of said heat dissipation device; a light emitting diode disposed on said substrate and used for emitting light; a lens disposed at the front side of said substrate, so the light emitted by said light emitting diode being able to be condensed then projected out of said lens; a front cover covered at the front end of said housing; a rear cover covered at the rear end of said housing; and a power unit coupled to said light emitting diode for supplying the electric power required by said light emitting diode; wherein said heat dissipation device further includes: a base formed with plural recessed grooves at the bottom surface, and the inner end of each recessed groove is formed with a penetrated hole; plural heat dissipation pipes, wherein each heat dissipation pipe is hollow and formed in an L-like shape, one end thereof passes said base through said penetrated hole, the other end thereof is received in said recessed groove; and a heat dissipation plate having a main body, the center of said main body is formed with a chamber having its outer periphery formed with plural heat dissipation grooves, and each heat dissipation groove is arranged at equal interval for being received in said heat dissipation pipe, the outer side of said main body is formed with plural wavelike shaped heat dissipation fins.