A display apparatus comprising: a liquid crystal panel ; a light source module configured to provide light to the liquid crystal panel ; a printed circuit board (PCB) on which the light source module is mounted; and at least one chassis accommodating the liquid crystal panel and the PCB , wherein the light source module comprises: a substrate ; a reflector positioned on the substrate , and comprising a curved surface having a shape resulting from rotating a portion of a parabola around a directrix (O) of the parabola, the directrix (O) perpendicular to the substrate ; and a plurality of light sources mounted on the substrate along focal points of the parabola of the reflector , characterised in that the plurality of light sources comprises blue light emitting diodes (LEDs), the light source module further comprises a color conversion device comprising a phosphor, the color conversion device configured to convert blue light irradiated from the plurality of light sources into white light, and wherein the color conversion device is in a shape of a ring extending along an arrangement direction of the plurality of light sources and positioned on the plurality of light sources. a liquid crystal panel ; a light source module configured to provide light to the liquid crystal panel ; a printed circuit board (PCB) on which the light source module is mounted; and at least one chassis accommodating the liquid crystal panel and the PCB , wherein the light source module comprises: a substrate ; a reflector positioned on the substrate , and comprising a curved surface having a shape resulting from rotating a portion of a parabola around a directrix (O) of the parabola, the directrix (O) perpendicular to the substrate ; and a plurality of light sources mounted on the substrate along focal points of the parabola of the reflector , characterised in that the plurality of light sources comprises blue light emitting diodes (LEDs), the light source module further comprises a color conversion device comprising a phosphor, the color conversion device configured to convert blue light irradiated from the plurality of light sources into white light, and wherein the color conversion device is in a shape of a ring extending along an arrangement direction of the plurality of light sources and positioned on the plurality of light sources. a substrate ; a reflector positioned on the substrate , and comprising a curved surface having a shape resulting from rotating a portion of a parabola around a directrix (O) of the parabola, the directrix (O) perpendicular to the substrate ; and a plurality of light sources mounted on the substrate along focal points of the parabola of the reflector , characterised in that the plurality of light sources comprises blue light emitting diodes (LEDs), the light source module further comprises a color conversion device comprising a phosphor, the color conversion device configured to convert blue light irradiated from the plurality of light sources into white light, and wherein the color conversion device is in a shape of a ring extending along an arrangement direction of the plurality of light sources and positioned on the plurality of light sources. <EOS>