Patent ID: 7618155
Filing Date: 2009-11-17
Classification: F21L,F21V,F21Y,H01L

Abstract:
1. A flashlight comprising: a light emitting diode (LED) unit, comprising: a cylindrical housing for accommodating one or more batteries, wherein said cylindrical housing comprises a first opening and a second opening, and wherein the cylindrical housing is attached to the second end of the metal base through said first opening; said batteries for providing electrical power to the one or more LED dies, wherein said batteries are in electrical communication to provide a first terminal and a second terminal, and wherein said first terminal is connected to said first electrical connection of the PCB; and an end cap attached to the cylindrical housing through said second opening for holding a control unit, wherein said control unit establishes a second electrical connection between the one or more LED dies and said second terminal through the cylindrical housing, the metal base, the one or more metal screws, and the metal core PCB.