Patent ID: 7481555

Claim:
A LED melody decoration kit with multicolor light sources, comprising: an electrical wire integrated with a plug-connector arranged to fit into one of a plurality of incandescent light sockets of a traditional lighting string including said plurality of incandescent light sockets, to get a voltage Vm from the traditional lighting string; a control unit connected between the electrical wire and the one or more LED lights, said control unit having a driving IC that includes a driver circuit and a programmable control circuit for driving and controlling the LED lights, a voltage-multiplied and rectified circuit connected to the electrical wire to receive and double the voltage Vm from the plug-connector and obtain a pulse/surge voltage 2 Vm, and a constant voltage regulated circuit connected between the voltage-multiplied and rectified circuit and the driving IC to stabilize the pulse/surge voltage 2 Vm and input the pulse/surge voltage 2 Vm to the driving IC; and one or more LED lights connected to be driven and controlled by the driver circuit and the programmable control circuit of the driving IC to emit single or multiple lighting colors.