Provided is a semiconductor light emitting device which includes: a light emitting structure including a plurality of semiconductor layers and configured to generate and emit light to an outside of the light emitting structure; a transparent electrode layer disposed on the light emitting structure; a transparent protective layer disposed on the transparent electrode layer; a distributed Bragg reflector (DBR) layer disposed on the transparent protective layer and covering at least a part of the transparent electrode layer; and at least one electrode pad connected to the transparent electrode layer through a hole or via.