A display device (100, 300, 500, 600, 700) comprising: a display panel facing a viewer standing on a ground at the front of the display device (100, 300, 500, 600, 700); wherein the display device is configured for being positioned in a manner that the display panel is arranged in a vertical position, such that from the perspective of the viewer the device comprises an upper part furthest from the ground, and a lower part nearest to the ground; a plurality of backlight units (15a, 15b, 15c, 15d) disposed on a rear side of the display panel: a first frame made of metal disposed on a rear side of the plurality of the backlight units (15a, 15b, 15c, 15d); a second frame made of metal disposed on a rear side of the first frame a heat transfer sheet disposed between the first frame and the second frame forming a direct connection with both the first and the second frame; wherein the heat transfer sheet is positioned at the upper part of the display device; a board (17a, 17b, 17c) at the back of the second frame including an electronic component, wherein the board (17a, 17,b, 17c) is positioned at the lower part of the display device wherein an air layer is formed between the first frame and the second frame and positioned at the lower part of the display device in the plane of the heat transfer sheet and overlaps with the position of the board (17a, 17b, 17c). a display panel facing a viewer standing on a ground at the front of the display device (100, 300, 500, 600, 700); wherein the display device is configured for being positioned in a manner that the display panel is arranged in a vertical position, such that from the perspective of the viewer the device comprises an upper part furthest from the ground, and a lower part nearest to the ground; a plurality of backlight units (15a, 15b, 15c, 15d) disposed on a rear side of the display panel: a first frame made of metal disposed on a rear side of the plurality of the backlight units (15a, 15b, 15c, 15d); a second frame made of metal disposed on a rear side of the first frame a heat transfer sheet disposed between the first frame and the second frame forming a direct connection with both the first and the second frame; wherein the heat transfer sheet is positioned at the upper part of the display device; a board (17a, 17b, 17c) at the back of the second frame including an electronic component, wherein the board (17a, 17,b, 17c) is positioned at the lower part of the display device wherein an air layer is formed between the first frame and the second frame and positioned at the lower part of the display device in the plane of the heat transfer sheet and overlaps with the position of the board (17a, 17b, 17c). a first frame made of metal disposed on a rear side of the plurality of the backlight units (15a, 15b, 15c, 15d); a second frame made of metal disposed on a rear side of the first frame a heat transfer sheet disposed between the first frame and the second frame forming a direct connection with both the first and the second frame; wherein the heat transfer sheet is positioned at the upper part of the display device; a board (17a, 17b, 17c) at the back of the second frame including an electronic component, wherein the board (17a, 17,b, 17c) is positioned at the lower part of the display device wherein an air layer is formed between the first frame and the second frame and positioned at the lower part of the display device in the plane of the heat transfer sheet and overlaps with the position of the board (17a, 17b, 17c).