Patent ID: 6693306
Filing Date: 2004-02-17
Classification: H01L

Abstract:
A structure of a light emitting diode (LED), comprising:a substrate; a semiconductor epitaxial structure, comprising an N-type semiconductor layer, an active layer, P-type semiconductor layer and a transparent contact layer, wherein the N-type semiconductor layer covers the substrate, and a plurality of extrusions are formed on a portion of a surface of the N-type semiconductor layer, and a channel is formed between the every two adjacent extrusions of the plurality of extrusions, and the active layer, the P-type semiconductor layer and the transparent contact layer are sequentially stacked on the plurality of extrusions; an N-type electrode layer which adheres to the N-type semiconductor layer and is located in the channel; a plurality of P-type electrodes located above the transparent contact layer; an insulating layer covering the transparent contact layer and the N-type electrode layer, wherein a portion of the N-type electrode layer is exposed to be an N-type pad; and a conductive layer which covers the insulating layer and is connected to the plurality of P-type electrodes, wherein at least one P-type electrode of the plurality of P-type electrodes is a P-type pad.