Patent ID: 8157421

Claim:
A light emitting diode (LED) lamp, comprising: a connector; an LED module electrically connected to the connector, wherein the LED module comprises at least one LED unit; an angle adjusting ring disposed between the LED module and the connector for rotating the LED module so as to change a light emitting direction of the at least one LED unit, wherein the angle adjusting ring comprises at least one locking element for fixing the LED module on the connector after rotated to a required direction; an isolating ring disposed between the connector and the angle adjusting ring; and a heat dissipating module, being in contact with the LED module, wherein the heat dissipating module comprises: at least one heat pipe having a sintered capillary structure, comprising: a first pipe segment having an outer wall on which the at least one LED unit is directly disposed; a second pipe segment opposite to the first pipe segment; and a third pipe segment opposite to the first pipe segment; and a plurality of fins connecting to the at least one heat pipe, wherein the fins are penetrated by the second pipe segment and the third pipe segment which are interlaced.