Patent ID: 7633229

Claim:
A drop-in light emitting diode (LED) module for a flashlight, comprising: a heat sink; a high power LED mounted on the heat sink and designed to receive a maximum rated current; an LED driver circuit connected to the high power LED and mounted on the heat sink, the LED driver circuit designed to supply the maximum rated current to the high power LED when the drop-in LED module is inserted into a flashlight having a flashlight body and power is supplied to the LED driver circuit using batteries included in the flashlight; and wherein the heat sink is designed to be inserted into the flashlight body so that the LED driver circuit receives power from the batteries included in the flashlight and supplies the maximum rated current to the high power LED and heat generated by the high power LED when receiving the maximum rated current is channeled away from the high power LED into the flashlight body, and the heat sink includes: a hollow main cylindrical body having a length, a diameter, a top opening, a bottom opening, and a slot running the length of the main cylindrical body that allows the diameter of the main cylindrical body to be adjusted so that the heat sink can be inserted into the flashlight body; a flat rectangular brace connected across the top opening; a cap mounted on a top side of the brace; and a cylindrical tube mounted on a bottom side of the brace opposite from the cap.