Patent ID: 7245279
Filing Date: 2007-07-17
Classification: G09F,H05K

Abstract:
1. A waterproof LED chain comprising: a plurality of link units; a plurality of wire pairs connecting the link units in electrical series; at least one wire pair connected to a link unit to form external power supply wires; each link unit comprising at least: a tray housing; a PCB securely received in the housing; a plurality of light emitting diode elements mounted on the PCB in electrical connection with the wire pairs at a wire pair connection point; and cured waterproof resin inside the tray housing encasing the printed circuit board, the wire pair connection point to the PCB and a lower half of the light emitting diode elements; wherein the cured waterproof resin inside the tray housing encasing the lower half of the light emitting diode elements forms a surface defining an outer cover sealing an opening of the tray housing to enclose the PCB, wherein the outer cover has a plurality of apertures corresponding to the number of said LED elements and the external power wires at a location where the LED elements and the external power wires protrude from the cured waterproof resin.