Display device
A display device includes a display panel including a display panel pad and a dam structure, a driving film attached to the display panel and including a driving film board, a connection lead disposed on a rear surface of the driving film board and facing the display panel pad, a first signal line electrically connected to the connection lead, and a protection member overlapping at least one of the connection lead and the first signal line, and a conductive adhesive member disposed between the display panel and the driving film and electrically connecting the display panel pad with the connection lead. The display panel pad and the dam structure are disposed on an upper surface of the display panel, the dam structure is disposed more to an outside of the display panel than the display panel pad, and the protection member of the driving film overlaps the dam structure.
1 . A display device comprising:
a display panel comprising at least one display panel pad and a dam structure;
a driving film attached to the display panel, the driving film comprising:
a driving film board;
a connection lead disposed on a rear surface of the driving film board and facing the at least one display panel pad;
a first signal line electrically connected to the connection lead; and
a protection member overlapping at least one of the connection lead and the first signal line; and
a conductive adhesive member disposed between the display panel and the driving film and electrically connecting the at least one display panel pad with the connection lead, wherein
the at least one display panel pad and the dam structure are disposed on an upper surface of the display panel,
the dam structure is disposed more to an outside of the display panel than the at least one display panel pad,
the protection member of the driving film overlaps the dam structure in a thickness direction of the display device, and
the conductive adhesive member contacts the protection member and at least a portion of the dam structure, and
wherein the conductive adhesive member contacts a first sidewall and at least a portion of an upper surface of the dam structure and does not contact a second sidewall facing the first sidewall of the dam structure.
2 . The display device of claim 1 , wherein
the display panel comprises:
a main region;
a bending region extended from an end of the main region and bendable in a direction; and
a sub-region extended from an end of the bending region and overlapping the main region,
the at least one display panel pad and the dam structure are disposed in the sub-region, and
the driving film is attached to the sub-region.
3 . The display device of claim 2 , wherein the driving film comprises:
an overlapping area that overlaps the sub-region of the display panel; and
a non-overlapping area that does not overlap the sub-region of the display panel, and
the protection member of the driving film is disposed across the overlapping area and the non-overlapping area.
4 . The display device of claim 3 , wherein the connection lead and the first signal line overlap at least one of the protection member and the conductive adhesive member over the entire area.
5 . The display device of claim 1 , wherein the dam structure has an island shape in a plan view.
6 . The display device of claim 5 , wherein the dam structure and the at least one display panel pad are disposed on a same layer and are comprised of different materials.
7 . The display device of claim 1 , wherein the dam structure has a thickness in a range of about 0.1 μm to about 10 μm.
8 . The display device of claim 1 , wherein the conductive adhesive member is at least partially disposed between the dam structure and the protection member.
9 . The display device of claim 8 , wherein the conductive adhesive member is a conductive anisotropic film comprising an adhesive layer and conductive balls.
10 . The display device of claim 9 , wherein
the dam structure and the protection member are spaced apart from each other in the thickness direction of the display device, and
a diameter of the conductive balls is greater than a distance between the dam structure and the protection member.
11 . The display device of claim 1 , wherein
the at least one display panel pad comprises a plurality of display panel pads,
the dam structure comprises a pattern of dams spaced apart from one another, and
the plurality of display panel pads and the dams of the pattern are arranged in a first direction.
12 . The display device of claim 11 , wherein the at least one display panel pad is aligned with the dams of the pattern, respectively, in a second direction intersecting the first direction.
13 . The display device of claim 1 , wherein
the dam structure comprises:
a first dam area extended in a first direction and located on a side of the at least one display panel pad in a second direction; and
a second dam area extended in the second direction from at least one of an end and another end of the first dam area in the first direction and located on at least of a side and another side of the at least one display panel pad in the first direction, and
the first direction and the second direction intersect each other.
14 . The display device of claim 1 , wherein the dam structure directly contacts the protection member of the driving film.
15 . The display device of claim 1 , wherein
the dam structure is extended in a first direction,
the conductive adhesive member is disposed on a side and another side of the dam structure in a second direction, and
the first direction and the second direction intersect each other.
16 . The display device of claim 15 , wherein the conductive adhesive member overlaps an entire area of the dam structure.
17 . The display device of claim 1 , further comprising:
a cover film disposed on a rear surface of the display panel; and
an adhesive member disposed between the display panel and the cover film.
18 . A display device comprising:
a display panel comprising a display panel pad and a dam structure having an island shape in a plan view;
a driving film attached to the display panel, the driving film comprising:
a driving film board;
a connection lead disposed on a rear surface of the driving film board that faces an upper surface of the display panel to face the display panel pad;
a first signal line electrically connected to the connection lead; and
a protection member overlapping at least one of the connection lead and the first signal line; and
a conductive adhesive member disposed between the display panel and the driving film and electrically connecting the display panel pad with the connection lead, wherein
the display panel pad and the dam structure are disposed on the upper surface of the display panel,
the dam structure is disposed more to an outside of the display panel than the display panel pad,
the dam structure and the display panel pad are comprised of different materials, and
the conductive adhesive member contacts the protection member and at least a portion of the dam structure, and
wherein the conductive adhesive member contacts a first sidewall and at least a portion of an upper surface of the dam structure and does not contact a second sidewall facing the first sidewall of the dam structure.
19 . The display device of claim 18 , wherein
the protection member of the driving film and the dam structure face and overlap each other in a thickness direction of the display device, and
the conductive adhesive member is disposed between the protection member of the driving film and the dam structure in the thickness direction of the display device.
20 . The display device of claim 18 , wherein
the display panel comprises:
a main region;
a bending region extended from an end of the main region and bendable in a direction; and
a sub-region extended from an end of the bending region and overlapping the main region,
the display panel pad and the dam structure are disposed in the sub-region, and
the driving film is attached to the sub-region.
21 . An electronic device comprising:
a display device comprising:
a display panel comprising at least one display panel pad and a dam structure;
a driving film attached to the display panel, the driving film comprising:
a driving film board;
a connection lead disposed on a rear surface of the driving film board and facing the at least one display panel pad;
a first signal line electrically connected to the connection lead; and
a protection member overlapping at least one of the connection lead and the first signal line; and
a conductive adhesive member disposed between the display panel and the driving film and electrically connecting the at least one display panel pad with the connection lead, wherein
the at least one display panel pad and the dam structure are disposed on an upper surface of the display panel,
the dam structure is disposed more to an outside of the display panel than the at least one display panel pad,
the protection member of the driving film overlaps the dam structure in a thickness direction of the display device,
the conductive adhesive member is at least partially disposed between the dam structure and the protection member in the thickness direction of the display device,
the conductive adhesive member is a conductive anisotropic film comprising an adhesive layer and conductive balls,
the dam structure and the protection member are spaced apart from each other in the thickness direction of the display device, and
a diameter of the conductive balls is greater than a distance between the dam structure and the protection member.
22 . The electronic device of claim 21 , wherein the conductive adhesive member is disposed between the protection member and the dam structure in the thickness direction of the display device where the protection member and the dam structure overlap each other in the thickness direction of the display device.
23 . The electronic device of claim 21 , wherein the dam structure has an island shape in a plan view.