A display device comprising: a plurality of stand assemblies (40, 40a, 40b, 40c, 40d); a plurality of center frames connected in series, the plurality of center frames fixed to the plurality of stand assemblies (40, 40a, 40b, 40c, 40d), and the plurality of center frames having a curved first surface (35a, 35b); and a plurality of display panels (11, 13, 15, 17, 21, 23, 25, 27) having a cable and coupled to the curved first surface (35a, 35b) of the plurality of the center frames, characterized in that: the plurality of stand assemblies (40, 40a, 40b, 40c, 40d) includes a first and second stand frame (45a, 45b) and a transverse frame bar positioned between the first stand frame and the second stand frame, wherein the transverse frame bar forms a frame coupling space for receiving and coupling the center frame between the first and second stand frames (45a, 45b), wherein the plurality of center frames is positioned in the frame coupling space between the first and second stand frames (45a, 45b), wherein the cable is positioned on a back surface of the plurality of display panels (11, 13, 15, 17, 21, 23, 25, 27), and wherein each of the plurality of center frames has a first groove on the curved first surface of the center frame, wherein the first groove is configured to accommodate the cable. a plurality of stand assemblies (40, 40a, 40b, 40c, 40d); a plurality of center frames connected in series, the plurality of center frames fixed to the plurality of stand assemblies (40, 40a, 40b, 40c, 40d), and the plurality of center frames having a curved first surface (35a, 35b); and a plurality of display panels (11, 13, 15, 17, 21, 23, 25, 27) having a cable and coupled to the curved first surface (35a, 35b) of the plurality of the center frames, characterized in that: the plurality of stand assemblies (40, 40a, 40b, 40c, 40d) includes a first and second stand frame (45a, 45b) and a transverse frame bar positioned between the first stand frame and the second stand frame, wherein the transverse frame bar forms a frame coupling space for receiving and coupling the center frame between the first and second stand frames (45a, 45b), wherein the plurality of center frames is positioned in the frame coupling space between the first and second stand frames (45a, 45b), wherein the cable is positioned on a back surface of the plurality of display panels (11, 13, 15, 17, 21, 23, 25, 27), and wherein each of the plurality of center frames has a first groove on the curved first surface of the center frame, wherein the first groove is configured to accommodate the cable. the plurality of stand assemblies (40, 40a, 40b, 40c, 40d) includes a first and second stand frame (45a, 45b) and a transverse frame bar positioned between the first stand frame and the second stand frame, wherein the transverse frame bar forms a frame coupling space for receiving and coupling the center frame between the first and second stand frames (45a, 45b), wherein the plurality of center frames is positioned in the frame coupling space between the first and second stand frames (45a, 45b), wherein the cable is positioned on a back surface of the plurality of display panels (11, 13, 15, 17, 21, 23, 25, 27), and wherein each of the plurality of center frames has a first groove on the curved first surface of the center frame, wherein the first groove is configured to accommodate the cable.