A display comprising: a first area that is an active area; a second area disposed in parallel to the first area and being expandable from the first area; a first strain gauge sensor (410, 710,1010,1110) disposed in the second area, and formed in a zigzag form in a first direction that is an expansion direction of the second area; and a second strain gauge sensor (420, 720,1020,1120) disposed to be spaced apart from the first strain gauge sensor in the second area, and formed in a zigzag form in the first direction, wherein the first strain gauge sensor (410, 710, 1010,1110) includes: a plurality of first resistance areas (412,712,1012), lengths of which become gradually smaller as they go from one side to an opposite side of the second area along a second direction that is different from the first direction; and a plurality of first connection areas (414, 714, 1014) connecting the plurality of first resistance areas (412, 712, 1012), and wherein the second strain gauge sensor (420, 720, 1020,1120) includes: a plurality of second resistance areas (422, 722, 1022), lengths of which become gradually larger as they go from one side to an opposite side of the second area; and a plurality of second connection areas (424, 724, 1024) connecting the plurality of second resistance areas (422, 722, 1022). a first area that is an active area; a second area disposed in parallel to the first area and being expandable from the first area; a first strain gauge sensor (410, 710,1010,1110) disposed in the second area, and formed in a zigzag form in a first direction that is an expansion direction of the second area; and a second strain gauge sensor (420, 720,1020,1120) disposed to be spaced apart from the first strain gauge sensor in the second area, and formed in a zigzag form in the first direction, wherein the first strain gauge sensor (410, 710, 1010,1110) includes: a plurality of first resistance areas (412,712,1012), lengths of which become gradually smaller as they go from one side to an opposite side of the second area along a second direction that is different from the first direction; and a plurality of first connection areas (414, 714, 1014) connecting the plurality of first resistance areas (412, 712, 1012), and wherein the second strain gauge sensor (420, 720, 1020,1120) includes: a plurality of second resistance areas (422, 722, 1022), lengths of which become gradually larger as they go from one side to an opposite side of the second area; and a plurality of second connection areas (424, 724, 1024) connecting the plurality of second resistance areas (422, 722, 1022). a plurality of first resistance areas (412,712,1012), lengths of which become gradually smaller as they go from one side to an opposite side of the second area along a second direction that is different from the first direction; and a plurality of first connection areas (414, 714, 1014) connecting the plurality of first resistance areas (412, 712, 1012), and wherein the second strain gauge sensor (420, 720, 1020,1120) includes: a plurality of second resistance areas (422, 722, 1022), lengths of which become gradually larger as they go from one side to an opposite side of the second area; and a plurality of second connection areas (424, 724, 1024) connecting the plurality of second resistance areas (422, 722, 1022). a plurality of second resistance areas (422, 722, 1022), lengths of which become gradually larger as they go from one side to an opposite side of the second area; and a plurality of second connection areas (424, 724, 1024) connecting the plurality of second resistance areas (422, 722, 1022).