Abstract: A LED lamp with heat dissipation includes a transfer adapter, a heatsink, a heat-conducting plate, a circuit board and a lampshade. The heatsink, the heat-conducting plate and the circuit board are all made of aluminum. A through hole inside the heatsink is provided therein with plural air channels communicating with the outer wall at one end of the heat-dissipating base and formed with air slots. The heatsink has its outer wall disposed with plural heat-dissipating blades having a heat-dissipating recess formed between there and has one end formed with a flange. The heat-conducting plate has one end provided with a recessed groove to be engaged with the flange of the heatsink and another end provided with an accommodating chamber with plural heat-dissipating holes respectively aligned to the air channels of the heatsink. The circuit board is provided thereon with an LED chip.

Abstract: A positioning structure for a table lamp includes a base provided with a connecting stand and a support post with a pivotal seat. The pivotal seat has one side formed with an accommodating chamber and another side bored with an insert hole communicating with the accommodating chamber. An extension rod pivotally assembled with the pivotal seat is secured with fixing member having a support shaft at one side, the support shaft having an outer wall formed with a male thread section and an interior bored with a through hole having an outer end provided with a female thread section. A positioning member made of silica gel is fitted on the support shaft. A nut having a threaded hole and an insert hole is screwed on the support shaft, and a screw. is inserted through the nut and screwed in the female thread section of the extension rod.