A display apparatus comprising: a display panel ; and a backlight unit configured to provide light to the display panel, wherein the backlight unit comprises: a board on which a plurality of light sources are arranged; a first reflection member comprising a first reflective surface configured to diffusely reflect light emitted from the plurality of light sources toward the display panel; and a second reflection member comprising a second reflective surface disposed between the first reflection member and the plurality of light sources and configured to regularly reflect the light emitted from the plurality of light sources toward the first reflection member, wherein the board is inclined away from a plane that is perpendicular to the plane of the display panel such that the light emitted from the light sources is directed away from the display panel and towards the first and second reflection members, and wherein the second reflective surface is configured to reflect at least a part of the light emitted from the plurality of light sources to be in parallel with the display panel to the first reflective surface . a display panel ; and a backlight unit configured to provide light to the display panel, wherein the backlight unit comprises: a board on which a plurality of light sources are arranged; a first reflection member comprising a first reflective surface configured to diffusely reflect light emitted from the plurality of light sources toward the display panel; and a second reflection member comprising a second reflective surface disposed between the first reflection member and the plurality of light sources and configured to regularly reflect the light emitted from the plurality of light sources toward the first reflection member, wherein the board is inclined away from a plane that is perpendicular to the plane of the display panel such that the light emitted from the light sources is directed away from the display panel and towards the first and second reflection members, and wherein the second reflective surface is configured to reflect at least a part of the light emitted from the plurality of light sources to be in parallel with the display panel to the first reflective surface . a board on which a plurality of light sources are arranged; a first reflection member comprising a first reflective surface configured to diffusely reflect light emitted from the plurality of light sources toward the display panel; and a second reflection member comprising a second reflective surface disposed between the first reflection member and the plurality of light sources and configured to regularly reflect the light emitted from the plurality of light sources toward the first reflection member, wherein the board is inclined away from a plane that is perpendicular to the plane of the display panel such that the light emitted from the light sources is directed away from the display panel and towards the first and second reflection members, and wherein the second reflective surface is configured to reflect at least a part of the light emitted from the plurality of light sources to be in parallel with the display panel to the first reflective surface . <EOS>