A display device comprising: a backlight unit generating a light; a display panel disposed on the backlight unit and receiving the light to display an image; and a heat discharge bottom chassis fixing the backlight unit and the display panel to each other, the backlight unit comprising: a light source unit generating the light; and an optical member disposed on the light source unit, the heat discharge bottom chassis comprising: a light source unit accommodating part accommodating the light source unit; an optical member accommodating part disposed on the light source unit accommodating part, accommodating the optical member, and supporting the display panel; and a display panel accommodating part disposed on the optical member accommodating part and accommodating the display panel, the light source unit accommodating part, the optical member accommodating part, and the display panel accommodating part are integrally formed as a single unitary unit, and the light source unit accommodating part, the optical member accommodating part, and the display panel accommodating part comprise a same metal material or a same metal alloy, characterized in that the backlight unit, the display panel and the heat discharge bottom chassis are curved, and the display panel accommodating part comprises a display panel accommodating hole to accommodate the display panel, the optical member accommodating part comprises an optical member accommodating hole to accommodate the optical member, and the light source unit accommodating part comprises a light source unit accommodating groove to accommodate the light source unit. a backlight unit generating a light; a display panel disposed on the backlight unit and receiving the light to display an image; and a heat discharge bottom chassis fixing the backlight unit and the display panel to each other, the backlight unit comprising: a light source unit generating the light; and an optical member disposed on the light source unit, the heat discharge bottom chassis comprising: a light source unit accommodating part accommodating the light source unit; an optical member accommodating part disposed on the light source unit accommodating part, accommodating the optical member, and supporting the display panel; and a display panel accommodating part disposed on the optical member accommodating part and accommodating the display panel, a light source unit generating the light; and an optical member disposed on the light source unit, the heat discharge bottom chassis comprising: a light source unit accommodating part accommodating the light source unit; an optical member accommodating part disposed on the light source unit accommodating part, accommodating the optical member, and supporting the display panel; and a display panel accommodating part disposed on the optical member accommodating part and accommodating the display panel, a light source unit accommodating part accommodating the light source unit; an optical member accommodating part disposed on the light source unit accommodating part, accommodating the optical member, and supporting the display panel; and a display panel accommodating part disposed on the optical member accommodating part and accommodating the display panel, the light source unit accommodating part, the optical member accommodating part, and the display panel accommodating part are integrally formed as a single unitary unit, and the light source unit accommodating part, the optical member accommodating part, and the display panel accommodating part comprise a same metal material or a same metal alloy, characterized in that the backlight unit, the display panel and the heat discharge bottom chassis are curved, and the display panel accommodating part comprises a display panel accommodating hole to accommodate the display panel, the optical member accommodating part comprises an optical member accommodating hole to accommodate the optical member, and the light source unit accommodating part comprises a light source unit accommodating groove to accommodate the light source unit.