A display device (1, 2, 3, 4, 5, 6, 7, 8) including a display area and a non-display area at least partially surrounding the display area, wherein the non-display area includes a sealing area, the display device (1, 2, 3, 4, 5, 6, 7, 8) comprising: a first substrate (101, 102) including a first base substrate and a light-emitting element disposed on the first base substrate; a second substrate (201, 202, 205, 206, 207) disposed over the first substrate (101, 102); and a sealing member (301, 302, 303) disposed in the sealing area between the first substrate (101, 102) and the second substrate (201, 202, 205, 206, 207), wherein the sealing member (301, 302, 303) is not disposed outside the sealing area wherein the sealing member (301, 302, 303) includes a first linear portion extending in a first direction, and a second linear portion extending in a second direction different from the first direction, and characterized in that the first base substrate comprises a main portion having a first maximum width (W 111a) in the first direction and a protruding portion protruding from the main portion in the second direction and having a second maximum width (W 111b) smaller than the first maximum width (W 111a) in the first direction, wherein the sealing member (301, 302, 303) further includes a first curved-portion extending from the first linear portion, and a third linear portion extending in the first direction from the first curved portion, the first linear portion of the sealing member (301, 302, 303) overlaps the protruding portion of the first base substrate, and the third linear portion of the sealing member (301, 302, 303) overlaps the main portion of the first base substrate, wherein the first curved portion includes at least one curved section and a maximum width of the first linear portion (W 311) is greater than a maximum width of the second linear portion (W 321). a first substrate (101, 102) including a first base substrate and a light-emitting element disposed on the first base substrate; a second substrate (201, 202, 205, 206, 207) disposed over the first substrate (101, 102); and a sealing member (301, 302, 303) disposed in the sealing area between the first substrate (101, 102) and the second substrate (201, 202, 205, 206, 207), wherein the sealing member (301, 302, 303) is not disposed outside the sealing area wherein the sealing member (301, 302, 303) includes a first linear portion extending in a first direction, and a second linear portion extending in a second direction different from the first direction, and characterized in that the first base substrate comprises a main portion having a first maximum width (W 111a) in the first direction and a protruding portion protruding from the main portion in the second direction and having a second maximum width (W 111b) smaller than the first maximum width (W 111a) in the first direction, wherein the sealing member (301, 302, 303) further includes a first curved-portion extending from the first linear portion, and a third linear portion extending in the first direction from the first curved portion, the first linear portion of the sealing member (301, 302, 303) overlaps the protruding portion of the first base substrate, and the third linear portion of the sealing member (301, 302, 303) overlaps the main portion of the first base substrate, wherein the first curved portion includes at least one curved section and a maximum width of the first linear portion (W 311) is greater than a maximum width of the second linear portion (W 321).