A light emitting device according to an embodiment includes a body including first and second side walls which correspond to each other, third and fourth side walls which have lengths longer than lengths of the first and second side walls, and a concave portion; a first lead frame under the concave portion and the third side wall; a second lead frame under the concave portion and the fourth side wall; a light emitting chip on at least one of the first and second lead frames; a molding member on the concave portion; a first recess portion recessed from the first side wall toward the second side wall and connected to a bottom of the body; and a second recess portion recessed from the second side wall toward the first side wall and connected to the bottom of the body.