A light emitting device comprising: a body having a cavity therein; first and second lead frames (125,135) coupled to the body and provided in mutually different regions of the cavity; third and fourth lead frames (145,155) coupled to the body and disposed between the first and second lead frames; a first light emitting chip on the first lead frame; a second light emitting chip on the second lead frame; and a reflective frame provided on the body and having a first opening to open an upper portion of the first light emitting chip, a second opening to open an upper portion of the second light emitting chip, and a separation part between the first and second openings, wherein the body comprises first and second lateral side portions (111,112) opposite to each other, and third and fourth lateral side portions (113,114) opposite to each other, and the first and second lateral side portions have lengths longer than lengths of the third and fourth lateral side portions, wherein the first lead frame comprises a first lead part protruding to the first lateral side portion of the body and a second lead part protruding to the second lateral side portion of the body, wherein the second lead frame comprises a third lead part protruding to the first lateral side portion of the body and a fourth lead part protruding to the second lateral side portion of the body, wherein the third lead frame comprises a fifth lead part connected to the first light emitting chip and protruding to the first lateral side portion of the body, and wherein the fourth lead frame comprises a sixth lead part connected to the second light emitting chip and protruding to the second lateral side portion of the body. a body having a cavity therein; first and second lead frames (125,135) coupled to the body and provided in mutually different regions of the cavity; third and fourth lead frames (145,155) coupled to the body and disposed between the first and second lead frames; a first light emitting chip on the first lead frame; a second light emitting chip on the second lead frame; and a reflective frame provided on the body and having a first opening to open an upper portion of the first light emitting chip, a second opening to open an upper portion of the second light emitting chip, and a separation part between the first and second openings, wherein the body comprises first and second lateral side portions (111,112) opposite to each other, and third and fourth lateral side portions (113,114) opposite to each other, and the first and second lateral side portions have lengths longer than lengths of the third and fourth lateral side portions, wherein the first lead frame comprises a first lead part protruding to the first lateral side portion of the body and a second lead part protruding to the second lateral side portion of the body, wherein the second lead frame comprises a third lead part protruding to the first lateral side portion of the body and a fourth lead part protruding to the second lateral side portion of the body, wherein the third lead frame comprises a fifth lead part connected to the first light emitting chip and protruding to the first lateral side portion of the body, and wherein the fourth lead frame comprises a sixth lead part connected to the second light emitting chip and protruding to the second lateral side portion of the body.