Patent ID: 8415689

Claim:
A semiconductor light emitting device comprising: a first conductive semiconductor layer; an active layer on the first conductive semiconductor layer; a second conductive semiconductor layer on the active layer; a first electrode under the first conductive semiconductor layer, the first electrode comprising patterns having a predetermined shape; a nitride semiconductor layer between the patterns of the first electrode; and a first undoped semiconductor layer under the nitride semiconductor layer and the first electrode, wherein a top surface of the first electrode physically contacts a lower surface of the first conductive semiconductor layer, wherein a portion of the nitride semiconductor layer is disposed between side surfaces of the first electrode, wherein the first conductive semiconductor layer is disposed between the first electrode and the active layer, wherein the first electrode is disposed between the first undoped semiconductor layer and the first conductive semiconductor layer, and wherein the first electrode physically contacts the first undoped semiconductor layer and the first conductive semiconductor layer.