A light emitting device comprising: a body including first and second sidewalls (11, 12) having a first length and corresponding to each other, third and fourth sidewalls (13, 14) close to the first and second sidewalls (11, 12) and having a second length shorter than the first length, and a concave portion having an open upper portion; a first lead frame disposed in the concave portion of the body and including a first cavity having a depth lower than a bottom of the concave portion; a second lead frame disposed in the concave portion of the body and including a second cavity having a depth lower than the bottom of the concave portion; a gap part between the first and second lead frames (21, 31); a first light emitting chip in the first cavity; and a second light emitting chip in the second cavity, characterized in that; the first lead frame comprises a first lead part protruding to the third sidewall of the body, and a first support protrusion in the first sidewall of the body, wherein the second lead frame comprises a second lead part protruding to the fourth sidewall of the body, and a second support protrusion in the second sidewall of the body, wherein the first support protrusion of the first lead frame is close to a central line of the body so that a distance between the support protrusion and the third sidewall is less than a distance between the support protrusion and the fourth sidewall, the central line intersecting with the first and second sidewalls (11, 12), and wherein the second support protrusion of the second lead frame is close to the central line of the body so that a distance between the support protrusion and the fourth sidewall is less than a distance between the support protrusion and the third sidewall. a body including first and second sidewalls (11, 12) having a first length and corresponding to each other, third and fourth sidewalls (13, 14) close to the first and second sidewalls (11, 12) and having a second length shorter than the first length, and a concave portion having an open upper portion; a first lead frame disposed in the concave portion of the body and including a first cavity having a depth lower than a bottom of the concave portion; a second lead frame disposed in the concave portion of the body and including a second cavity having a depth lower than the bottom of the concave portion; a gap part between the first and second lead frames (21, 31); a first light emitting chip in the first cavity; and a second light emitting chip in the second cavity, characterized in that; the first lead frame comprises a first lead part protruding to the third sidewall of the body, and a first support protrusion in the first sidewall of the body, wherein the second lead frame comprises a second lead part protruding to the fourth sidewall of the body, and a second support protrusion in the second sidewall of the body, wherein the first support protrusion of the first lead frame is close to a central line of the body so that a distance between the support protrusion and the third sidewall is less than a distance between the support protrusion and the fourth sidewall, the central line intersecting with the first and second sidewalls (11, 12), and wherein the second support protrusion of the second lead frame is close to the central line of the body so that a distance between the support protrusion and the fourth sidewall is less than a distance between the support protrusion and the third sidewall.