A display device comprising: a framework including a top case, a guide panel, a back cover and a rear cabinet; the guide panel including a base portion and a side wall connected to the base portion; a display panel with two opposed horizontal long sides (LS1, LS2) and two opposed vertical short sides (SS1, SS2), said display panel being disposed on the base portion of the guide panel; the top case being positioned on the long and short sides (LS; SS) and on the front edges of the display panel, the top case comprises a horizontal top case (410H1, 410H2) which covers a horizontal long side edge part of the front surface of the display panel; and the back cover being disposed at the rear of the base portion of the guide panel, wherein the horizontal top case (410H1, 410H2) includes a first part facing the horizontal long side edge part of the front surface of the display panel, a second part extending from the first part in the thickness direction of the display device and covering a horizontal long side of the display panel, a third part extending from the second part toward the side wall of the guide panel, and a sixth part extending from the third part in the thickness direction of the display device and facing the side wall of the guide panel, wherein the guide panel further includes: a first protruding part protruding from the side wall of the guide panel; and a second protruding part protruding from the side wall of the guide panel and being spaced apart from the first protruding part, wherein the first protruding part is closer to the third part of the horizontal top case (410H1, 410H2) than the second protruding part of the horizontal top case (410H1, 410H2), wherein the horizontal top case (410H1, 410H2) includes a first opening and a second opening at the sixth part, the first protruding part is inserted into the first opening and the second protruding part is inserted into the second opening, and wherein the rear cabinet is disposed behind the display panel with the back cover disposed between the display panel and the rear cabinet, and the cear cabinet is coupled to the first protruding part of the horizontal top case (410H1, 410H2) by an end of the rear cabinet being inserted between the first protruding part of the guide panel and the third part of the horizontal top case (410H1, 410H2). a framework including a top case, a guide panel, a back cover and a rear cabinet; the guide panel including a base portion and a side wall connected to the base portion; a display panel with two opposed horizontal long sides (LS1, LS2) and two opposed vertical short sides (SS1, SS2), said display panel being disposed on the base portion of the guide panel; the top case being positioned on the long and short sides (LS; SS) and on the front edges of the display panel, the top case comprises a horizontal top case (410H1, 410H2) which covers a horizontal long side edge part of the front surface of the display panel; and the back cover being disposed at the rear of the base portion of the guide panel, wherein the horizontal top case (410H1, 410H2) includes a first part facing the horizontal long side edge part of the front surface of the display panel, a second part extending from the first part in the thickness direction of the display device and covering a horizontal long side of the display panel, a third part extending from the second part toward the side wall of the guide panel, and a sixth part extending from the third part in the thickness direction of the display device and facing the side wall of the guide panel, wherein the guide panel further includes: a first protruding part protruding from the side wall of the guide panel; and a second protruding part protruding from the side wall of the guide panel and being spaced apart from the first protruding part, wherein the first protruding part is closer to the third part of the horizontal top case (410H1, 410H2) than the second protruding part of the horizontal top case (410H1, 410H2), wherein the horizontal top case (410H1, 410H2) includes a first opening and a second opening at the sixth part, the first protruding part is inserted into the first opening and the second protruding part is inserted into the second opening, and wherein the rear cabinet is disposed behind the display panel with the back cover disposed between the display panel and the rear cabinet, and the cear cabinet is coupled to the first protruding part of the horizontal top case (410H1, 410H2) by an end of the rear cabinet being inserted between the first protruding part of the guide panel and the third part of the horizontal top case (410H1, 410H2). a first protruding part protruding from the side wall of the guide panel; and a second protruding part protruding from the side wall of the guide panel and being spaced apart from the first protruding part, wherein the first protruding part is closer to the third part of the horizontal top case (410H1, 410H2) than the second protruding part of the horizontal top case (410H1, 410H2), wherein the horizontal top case (410H1, 410H2) includes a first opening and a second opening at the sixth part, the first protruding part is inserted into the first opening and the second protruding part is inserted into the second opening, and wherein the rear cabinet is disposed behind the display panel with the back cover disposed between the display panel and the rear cabinet, and the cear cabinet is coupled to the first protruding part of the horizontal top case (410H1, 410H2) by an end of the rear cabinet being inserted between the first protruding part of the guide panel and the third part of the horizontal top case (410H1, 410H2).