Patent ID: 9337236
Filing Date: 2016-05-10
CPC Classification: H01L

Claim Text:
1. A light emitting device, comprising: a substrate; first and second light emitting cells spaced apart from one another on the substrate in a horizontal direction, each including a light emitting structure having lower and upper semiconductor layers, conductive types of the lower and upper semiconductor layers being different from each other, an active layer disposed between the lower and upper semiconductor layers, an upper electrode on the upper semiconductor layer, and a lower electrode on the lower semiconductor layer; a conductive interconnection layer configured to electrically connect a lower electrode of the first light emitting cell and an upper electrode of the second light emitting cell; a current blocking layer disposed so as to extend from between the upper electrode of the second light emitting cell and the upper semiconductor layer of the second light emitting cell, and disposed between the light emitting structure of the second light emitting cell and the conductive interconnection layer to electrically separate the conductive interconnection layer from the light emitting structure of the second light emitting cell; and a conductive layer disposed so as to extend from between the upper electrode of the second light emitting cell and the current blocking layer to on the upper semiconductor layer of the second light emitting cell and configured to electrically connect the upper electrode of the second light emitting cell to the upper semiconductor layer of the second light emitting cell, wherein the upper electrode of the second light emitting cell has a lower surface facing the upper semiconductor layer of the second light emitting cell, the upper semiconductor layer of the second light emitting cell has a top surface facing the upper electrode of the second light emitting cell, and the current blocking layer is disposed between the lower surface of the upper electrode and the top surface of the upper semiconductor layer.