Patent ID: 7151281
Filing Date: 2006-12-19
Classification: H01L

Abstract:
1. A light emitting diode (LED) structure, having electrostatic discharge (ESD) protection function, comprising: a substrate; a patterned semiconductor layer, disposed over the substrate, wherein the patterned semiconductor layer comprises: a first type doped semiconductor layer; a light emitting layer, disposed over a portion of the first type doped semiconductor layer; and a second type doped semiconductor layer, disposed over the light emitting layer, wherein the first type doped semiconductor layer, the light emitting layer and the second type doped semiconductor layer of the patterned semiconductor layer are defined into at least a first island structure and a second island structure; a first electrode, connected between the first type doped semiconductor layer of the first island structure and the second type doped semiconductor layer of the second island structure; and a second electrode, connected between the second type doped semiconductor layer of the first island structure and the first type doped semiconductor layer of the second island structure, wherein a LED is formed by the first electrode, the second electrode and the first island structure, and a shunt diode is formed by the first electrode, the second electrode and the second island structure, wherein the shunt diode is connected in parallel to the LED with an inverse bias compared to the LED.