| abstract |
A light emitting device according to an embodiment includes a light emitting structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; A second electrode layer located in the direction of the second conductivity type semiconductor layer of the light emitting structure and electrically connected to the second conductivity type semiconductor layer; A main electrode disposed on one surface of the second electrode layer in a direction opposite to the second conductivity type semiconductor layer; and a second electrode layer that is branched from the main electrode and penetrates the second conductivity type semiconductor layer and the active layer, A first electrode layer including at least one branch electrode electrically connected to the first electrode layer; An insulating layer disposed between the first electrode layer and the second electrode layer, and between the first electrode layer and the light emitting structure; And a first reflective layer positioned between the insulating layer and the first electrode layer. |