Patent ID: 8222665
Filing Date: 2012-07-17
Classification: H01L

Abstract:
1. A light emitting diode (LED) package structure, comprising: a lead frame comprising a first lead pin, a second lead pin, and a loading part connected to the first lead pin; an LED chip disposed on the loading part of the lead frame; a fuse comprising an internal circuit and electrically connected to the lead frame, the fuse being electrically connected to the LED chip in series; and an encapsulation covering the LED chip, the fuse and at least a part of the lead frame, wherein a positive electrode of the LED chip is electrically connected to a first electrode of the fuse, a second electrode of the fuse is electrically connected to the second lead pin of the lead frame, and a negative electrode of the LED chip is electrically connected to the first lead pin of the lead frame; wherein the internal circuit comprising a substrate and a low melting point metal conductive pad disposed on the substrate, and the internal circuit is melted under a current greater than a current limit threshold.