Patent ID: 7374309

Claim:
A miniature light-emitting diode (LED) device, comprising: a cylinder including a first housing part having an internal thread and a second housing part having an external thread and rotatably coupled to said first housing part via engagement of said threads, said cylinder defining a chamber for receiving at least one battery, and said first and second housing parts alongside said threads defining a space; an LED light assembly arranged in connection with said cylinder, at least a portion of each of said first and second housing parts being made of conductive material to enable formation of an electrical circuit including said at least one battery when present in said chamber, said LED light assembly and said conductive portions of said first and second housing parts, rotation of said first and second housing parts relative to one another causing formation or interruption of the electrical circuit and thus controlling illumination provided by said LED light assembly; a dome connected to said cylinder in a position covering said LED light assembly; and means for preventing water from entering between said threads, said means being arranged outward of said first and second housing parts, and surrounding a portion of an outer surface of each of said first and second housing parts, and being arranged to cover said space and thereby prevent water from entering into said space and then between said threads.