A curved display device comprising: a curved backlight unit comprising a light source which generates light and a curved light guide plate which receives the light from the light source; and a curved display panel which is disposed on the curved backlight unit and receives the light generated by the curved backlight unit, the curved light guide plate comprising: a light incident surface that faces the light source; and an opposite surface that is opposite the light incident surface in a first direction DR1, wherein the light incident surface is curved along a second direction DR2 perpendicular to the first direction DR1 when viewed from the light source, wherein the thickness of the curved light guide plate uniformly decreases along the first direction DR1 from the light incident surface to the opposite surface, the curved display device further comprising a curved bottom chassis holding the curved backlight unit and the curved display panel within the curved display device, wherein the thickness of the bottom chassis uniformly reduces such that the thickness of a portion of the bottom chassis disposed adjacent to the light incident surface of the light guide plate is greater than the thickness of the portion of the bottom chassis disposed adjacent to the opposite surface of the light guide plate. a curved backlight unit comprising a light source which generates light and a curved light guide plate which receives the light from the light source; and a curved display panel which is disposed on the curved backlight unit and receives the light generated by the curved backlight unit, the curved light guide plate comprising: a light incident surface that faces the light source; and an opposite surface that is opposite the light incident surface in a first direction DR1, wherein the light incident surface is curved along a second direction DR2 perpendicular to the first direction DR1 when viewed from the light source, wherein the thickness of the curved light guide plate uniformly decreases along the first direction DR1 from the light incident surface to the opposite surface, the curved display device further comprising a curved bottom chassis holding the curved backlight unit and the curved display panel within the curved display device, wherein the thickness of the bottom chassis uniformly reduces such that the thickness of a portion of the bottom chassis a light incident surface that faces the light source; and an opposite surface that is opposite the light incident surface in a first direction DR1, wherein the light incident surface is curved along a second direction DR2 perpendicular to the first direction DR1 when viewed from the light source, wherein the thickness of the curved light guide plate uniformly decreases along the first direction DR1 from the light incident surface to the opposite surface, the curved display device further comprising a curved bottom chassis holding the curved backlight unit and the curved display panel within the curved display device, wherein the thickness of the bottom chassis uniformly reduces such that the thickness of a portion of the bottom chassis disposed adjacent to the light incident surface of the light guide plate is greater than the thickness of the portion of the bottom chassis disposed adjacent to the opposite surface of the light guide plate.