The present invention relates to a light emitting device which has excellent light efficiency and satisfies a streetlamp light distribution condition. According to one embodiment of the present invention, the present invention includes a substrate; multiple light emitting diodes which are mounted on the substrate; and a lens which covers the light emitting diodes. The lens includes multiple convex parts which correspond to the upper part of the light emitting diodes, respectively and a boundary part which is a region which is overlapped with an adjacent convex parts.
