LIGHT-EMITTING DEVICE AND FABRICATING METHOD THEREOF

摘要

A light-emitting device according to an embodiment of the invention comprises a supporting substrate; a wafer-bond layer over the supporting substrate; a second electrode layer over the wafer-bond layer, the second electrode layer including a current blocking layer and a reflective current spreading layer; a current injection layer over the second electrode layer; a superlattice-structure layer over the current injection layer; a second conductive type semiconductor layer over the superlattice-structure layer; an active layer over the second conductive type semiconductor layer; a first conductive type semiconductor layer over the active layer; and a first electrode layer over the first conductive type semiconductor layer.