Light emitting device and light emitting device package

摘要

Provided is a light emitting device. The light emitting device (100) includes a light emitting structure layer (135) including a first conductive type semiconductor layer (110), an active layer (120), and a second conductive type semiconductor layer (130), a gallium barrier layer (113) on the light emitting structure layer, and a metal electrode layer (114) on the gallium barrier layer.