Display device having a support member
A display device includes a display panel including a display area including a foldable area having flexibility and a non-folding area adjacent to at least one side of the foldable area and a support member disposed under the display panel, including a stretchable part overlapping the foldable area, and defining at least one cutting part. The at least one cutting part includes at least one first groove having a first depth and a second groove having a second depth greater than the first depth.
1 . A display device comprising:
a display panel including a display area including:
a foldable area having flexibility; and
a non-folding area adjacent to at least one side of the foldable area; and
a support member disposed under the display panel, including a stretchable part overlapping the foldable area, the support member defining at least one cutting part overlapping the non-folding area,
wherein the at least one cutting part includes:
at least one first groove having a first depth, an uppermost surface closest to the display panel of each of the at least one first groove exposes a portion of the support member; and
a second groove having a second depth greater than the first depth, an uppermost surface closest to the display panel of the second groove exposes a portion of the display panel.
2 . The display device of claim 1 , wherein the at least one cutting part is adjacent to an edge of the support member.
3 . The display device of claim 1 , wherein
the at least one first groove includes:
a first side surface extending in a first direction; and
a second side surface extending in a second direction perpendicular to the first direction, and
each of the first and second side surfaces has straight line shape in a plan view.
4 . The display device of claim 1 , wherein the at least one first groove has a rectangular planar shape with one side open.
5 . The display device of claim 1 , wherein the at least one first groove has an “L” shape planar shape.
6 . The display device of claim 1 , wherein
the at least one first groove includes a plurality of first grooves, and
each of the plurality of first grooves has a rectangular planar shape with one side open.
7 . The display device of claim 6 , wherein the plurality of first grooves are spaced apart from each other.
8 . The display device of claim 1 , wherein the at least one first groove is connected to the second groove.
9 . The display device of claim 1 , wherein the at least one first groove is spaced apart from the second groove in a plan view.
10 . The display device of claim 1 , wherein
the second groove overlaps alignment marks disposed on a lower surface of the display panel in a plan view, and
the at least one first groove is spaced apart from the alignment marks in the plan view.
11 . The display device of claim 1 , wherein sides surfaces defining the second groove are connected to an edge of the support member.
12 . The display device of claim 1 , wherein when viewed from the display panel toward the support member, the support member is completely covered by the display panel in a plan view.
13 . The display device of claim 1 , wherein an edge of the display panel protrudes outward from an edge of the support member.
14 . The display device of claim 1 , wherein
a plurality of openings are defined in the stretchable part, and
each of the plurality of openings has a planar shape of any one of a rectangle, a rhombus, an ellipse, and a wavy shape.
15 . The display device of claim 1 , wherein the support member includes at least one selected form a group consisting of stainless steel and a magnesium alloy.
16 . The display device of claim 1 , wherein the support member includes at least one selected from a group consisting of carbon fiber reinforced plastic and glass fiber reinforced plastic.
17 . A display device comprising:
a display panel including a display area including a foldable area having flexibility and a non-folding area adjacent to at least one side of the foldable area;
a first support member disposed under the display panel, including a stretchable part in which a plurality of openings defined and overlapping the foldable area, and the first support member defining at least one cutting part overlapping the non-folding area and including at least one first groove having a first depth and a second groove having a second depth greater than the first depth; and
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,
wherein an uppermost surface closest to the display panel of each of the at least one first groove exposes a portion of the first support member and an uppermost surface closest to the display panel of the second groove exposes a portion of the display panel.
18 . The display device of claim 17 , wherein the at least one cutting part is adjacent to an edge of the first support member.
19 . The display device of claim 17 , wherein
the at least one first groove includes a first side surface extending in a first direction and a second side surface extending in a second direction perpendicular to the first direction, and
each of the first and second side surfaces has straight line shape in a plan view.
20 . The display device of claim 17 , wherein the at least one first groove has a rectangular planar shape with one side open.
21 . The display device of claim 17 , wherein the at least one first groove has an “L” shape planar shape.
22 . The display device of claim 17 , wherein
the at least one first groove includes a plurality of first grooves,
the plurality of first grooves are spaced apart from each other, and
each of the plurality of first grooves has a rectangular planar shape with one side open.
23 . The display device of claim 17 , wherein
the second groove overlaps alignment marks disposed on a lower surface of the display panel in a plan view, and
the at least one first groove is spaced apart from the alignment marks in the plan view.
24 . The display device of claim 17 , wherein when viewed from the display panel toward the first support member, the first support member is completely covered by the display panel in a plan view.
25 . The display device of claim 17 , wherein an edge of the display panel protrudes outward from an edge of the first support member.
26 . The display device of claim 17 , wherein each of the first support member and the second support member includes at least one selected form a group consisting of stainless steel, a magnesium alloy, carbon fiber reinforced plastic, and glass fiber reinforced plastic.