A light source module comprising: a body having a concave part; a plurality of lead frames (21,31) in the concave part; a light emitting chip (71,72) disposed on at least one of the lead frames (21,31); a molding member (81, 81A) in the concave part; (Paragraph 0052) a polymer layer disposed on the body to refract light emitted from the light emitting chip (71,72);: a first electrode layer disposed on the polymer layer to emit incident light; a second electrode layer interposed between the polymer layer and the body to transmit the light emitted from the light emitting chip (71,72); a first base film on the first electrode layer and a second base film under the second electrode layer, wherein a light emitting device includes the body, the plurality of lead frames (21,31), the light emitting chip (71,72) and the molding member (81, 81A), wherein an optical control unit includes the polymer layer, the first electrode layer, the second electrode layer and the first and second base film (91,92), and wherein the second base film is contacted with a top surface of the molding member (81, 81A), wherein the polymer layer changes an orientation angle of light incident from the first electrode layer according to a difference between voltages supplied to the first and second electrode layers (91,92), and the polymer layer includes liquid crystal, characterized in that the top surface of the molding member (81, 81A) is concave and forms a gap from a bottom surface of the optical control unit, and the light emitting device further comprises a diffusing layer between the molding member (81, 81A) and the optical control unit. a body having a concave part; a plurality of lead frames (21,31) in the concave part; a light emitting chip (71,72) disposed on at least one of the lead frames (21,31); a molding member (81, 81A) in the concave part; (Paragraph 0052) a polymer layer disposed on the body to refract light emitted from the light emitting chip (71,72);: a first electrode layer disposed on the polymer layer to emit incident light; a second electrode layer interposed between the polymer layer and the body to transmit the light emitted from the light emitting chip (71,72); a first base film on the first electrode layer and a second base film under the second electrode layer, wherein a light emitting device includes the body, the plurality of lead frames (21,31), the light emitting chip (71,72) and the molding member (81, 81A), wherein an optical control unit includes the polymer layer, the first electrode layer, the second electrode layer and the first and second base film (91,92), and wherein the second base film is contacted with a top surface of the molding member (81, 81A), wherein the polymer layer changes an orientation angle of light incident from the first electrode layer according to a difference between voltages supplied to the first and second electrode layers (91,92), and the polymer layer includes liquid crystal, characterized in that the top surface of the molding member (81, 81A) is concave and forms a gap from a bottom surface of the optical control unit, and the light emitting device further comprises a diffusing layer between the molding member (81, 81A) and the optical control unit. a first electrode layer disposed on the polymer layer to emit incident light; a second electrode layer interposed between the polymer layer and the body to transmit the light emitted from the light emitting chip (71,72); a first base film on the first electrode layer and a second base film under the second electrode layer, wherein a light emitting device includes the body, the plurality of lead frames (21,31), the light emitting chip (71,72) and the molding member (81, 81A), wherein an optical control unit includes the polymer layer, the first electrode layer, the second electrode layer and the first and second base film (91,92), and