| abstract |
The light emitting device of the embodiment includes a substrate, a light emitting structure including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer disposed under the substrate, a light emitting structure disposed below the second conductivity type semiconductor layer, A second conductive type semiconductor layer, and at least one second through hole penetrating through the active layer, and is connected to the first conductive type semiconductor layer, And an insulating layer disposed between the reflective layer, the second conductivity type semiconductor layer, and the active layer, and the contact layer, and embedded in the first through hole. |