Display device
A display device includes: a display panel including a foldable area having flexibility; a first support member disposed under the display panel and including a stretchable portion overlapping the foldable area; a second support member disposed under the first support member and including a first support plate and a second support plate spaced apart from each other; a third support member disposed under the first support member and including a material different from a material of the second support member; and a circuit board contacting a part of the display panel and one surface of the third support member, respectively.
1 . A display device comprising:
a display panel including a foldable area having flexibility;
a first support member disposed under the display panel and including a stretchable portion overlapping the foldable area;
a second support member disposed under the first support member and including a first support plate and a second support plate spaced apart from each other;
a third support member disposed under the first support member and including a material different from a material of the second support member; and
a circuit board contacting a part of the display panel and a first surface of the third support member, respectively.
2 . The display device of claim 1 , wherein the third support member does not overlap the second support member in a plan view.
3 . The display device of claim 1 , wherein the third support member is positioned on a same plane as the second support member.
4 . The display device of claim 1 , wherein the third support member contacts the second support member.
5 . The display device of claim 1 , further comprising:
a tape disposed between the first support member and the third support member and contacting a second surface of the third support member, which is different from the first surface.
6 . The display device of claim 5 , wherein the third support member at least partially overlaps the tape in a plan view.
7 . The display device of claim 5 , wherein an entirety of the third support member overlap the tape in a plan view.
8 . The display device of claim 5 , wherein the tape includes an insulating material or a conductive material.
9 . The display device of claim 1 , wherein a surface of the third support member is coated with a conductive material.
10 . The display device of claim 9 , wherein the conductive material includes at least one selected from a group consisting of conductive polymer and a conductive rubber.
11 . The display device of claim 1 , wherein each of the second and third support members includes at least one selected from a group consisting of stainless steel (SUS), aluminum (Al), copper (Cu) alloy, and titanium (Ti) alloy.
12 . The display device of claim 1 , wherein a plurality of openings spaced apart from each other are defined in the stretchable portion.
13 . The display device of claim 12 , wherein each of the plurality of openings extends in a first direction and the plurality of openings are arranged along the first direction and a second direction crossing the first direction.
14 . The display device of claim 1 , wherein the circuit board includes a flexible printed circuit board (FPCB).
15 . A display device comprising:
a display panel including:
a display area including a foldable area having flexibility, a pad area positioned in one side of the display area, and a bending area positioned between the display area and the pad area;
a plurality of pad electrodes disposed in the pad area on the display panel;
a first support member disposed under the display panel and including a stretchable portion overlapping the foldable area;
a second support member disposed under the first support member and including a first support plate and a second support plate spaced apart from each other;
a third support member disposed under the first support member and including a metal material different from a metal material of the second support member; and
a circuit board including a first part contacting the pad electrodes and a second part directly contacting a first surface of the third support member.
16 . The display device of claim 15 , wherein the third support member does not overlap the second support member in a plan view.
17 . The display device of claim 15 , wherein the third support member is positioned on a same plane as the second support member.
18 . The display device of claim 15 , wherein the third support member contacts the second support member.
19 . The display device of claim 15 , further comprising:
a tape disposed between the first support member and the third support member and contacting a second surface of the third support member, which is different from the first surface.
20 . The display device of claim 19 , wherein the third support member at least partially overlaps the tape in a plan view.
21 . The display device of claim 19 , an entirety of the third support member overlap the tape in a plan view.
22 . The display device of claim 19 , wherein the tape includes an insulating material or a conductive material.
23 . The display device of claim 14 , wherein a surface of the third support member is coated with a conductive material.
24 . The display device of claim 23 , wherein the conductive material includes at least one selected from a group consisting of conductive polymer and a conductive rubber.
25 . The display device of claim 15 , wherein each of the second and third support members includes at least one selected from a group consisting of stainless steel, aluminum, copper alloy, and titanium alloy.