Light emitting device, electrode structure and light emitting device package having the same

Embodiment relates to a light emitting device and a light emitting device package having the same. A light emitting device according to an embodiment, the conductive support member; Electrode layer on the conductive support member; A second conductive type semiconductor layer, a compound semiconductor layer including the second conductive type active layer, and a first conductive type semiconductor layer on the active layer on a semiconductor layer over the electrode layer; The first electrode on the first conductive semiconductor layer; And an optical guide layer formed between the first conductive type semiconductor layer and the electrode.