A display device comprising: a display panel having a long side (LS1, LS2) in a first direction, a short side (SS1, SS2) in a second direction, and a thickness in a third direction; a back cabinet disposed in the rear of the display panel; and a case covering an edge of a front surface of the display panel, wherein the case includes a horizontal case (410H1, 410H2) covering an edge of the front surface of the display panel on a long side (LS1, LS2) of the display panel, and a vertical case (410V1, 410V2) covering an edge of the front surface of the display panel on a short side (SS1, SS2) of the display panel, wherein the horizontal case (410H1, 410H2) and the vertical case (410V1, 410V2) are coupled to each other near a corner of the display panel, and characterized in that the horizontal case (410H1, 410H2) and the vertical case (410V1, 410V2) are formed of different materials, wherein the horizontal case (410H1, 410H2) includes: a first part extended in the second direction, the first part including a portion covering a part of the front surface of the display panel on the long side (LS1, LS2) of the display panel; a second part extended from the first part, and including a portion provided over a side of the display panel on the long side (LS1, LS2) of the display panel; a third part extended from the second part in the second direction; and, a sixth part extended from the third part in the third direction and hav-ing a first hole to accommodate a fastening member. a display panel having a long side (LS1, LS2) in a first direction, a short side (SS1, SS2) in a second direction, and a thickness in a third direction; a back cabinet disposed in the rear of the display panel; and a case covering an edge of a front surface of the display panel, wherein the case includes a horizontal case (410H1, 410H2) covering an edge of the front surface of the display panel on a long side (LS1, LS2) of the display panel, and a vertical case (410V1, 410V2) covering an edge of the front surface of the display panel on a short side (SS1, SS2) of the display panel, wherein the horizontal case (410H1, 410H2) and the vertical case (410V1, 410V2) are coupled to each other near a corner of the display panel, and characterized in that the horizontal case (410H1, 410H2) and the vertical case (410V1, 410V2) are formed of different materials, wherein the horizontal case (410H1, 410H2) includes: a first part extended in the second direction, the first part including a portion covering a part of the front surface of the display panel on the long side (LS1, LS2) of the display panel; a second part extended from the first part, and including a portion provided over a side of the display panel on the long side (LS1, LS2) of the display panel; a third part extended from the second part in the second direction; and, a sixth part extended from the third part in the third direction and hav-ing a first hole to accommodate a fastening member. a first part extended in the second direction, the first part including a portion covering a part of the front surface of the display panel on the long side (LS1, LS2) of the display panel; a second part extended from the first part, and including a portion provided over a side of the display panel on the long side (LS1, LS2) of the display panel; a third part extended from the second part in the second direction; and, a sixth part extended from the third part in the third direction and hav-ing a first hole to accommodate a fastening member.