Flexible display device
According to an aspect of the present disclosure, a flexible display device includes: a display panel which includes a display area and a bending area extending from one side of the display area to be bent; a first back plate disposed on a rear surface of the display area; a first cushion tape disposed on a rear surface of the first back plate; a heat radiation sheet disposed on a rear surface of the first cushion tape; a second cushion tape which is disposed below the heat radiation sheet and absorbs a damage from the outside; and a bottom hole which passes through the first cushion tape, the heat radiation sheet, and the second cushion tape.
1. A flexible display device, comprising:
a display panel including a display area and a bending area extending from one side of the display area, the bending area being bendable;
a first back plate disposed on a rear surface of the display area of the display panel;
a heat radiation sheet disposed on a rear surface of the first back plate; and
a bottom hole passing through the heat radiation sheet,
wherein an entirety of the bottom hole overlaps the display area.
2. The flexible display device of claim 1 , further comprising:
a first cushion tape disposed on a rear surface of the first back plate.
3. The flexible display device of claim 1 , further comprising:
a circuit element connected to an end of the display panel.
4. The flexible display device of claim 3 , wherein the bottom hole is spaced apart from the circuit element.
5. The flexible display device of claim 3 , further comprising:
an insulating tape in contact with a rear surface of the circuit element.
6. The flexible display device of claim 1 , further comprising:
a fingerprint recognition sensor disposed in the bottom hole.
7. The flexible display device of claim 1 , further comprising:
a camera disposed in the bottom hole.
8. The flexible display device of claim 1 , further comprising:
a second cushion tape disposed below the heat radiation sheet and configured to absorb an external impact.
9. A flexible display device, comprising:
a display panel including a first flat portion, a second flat portion, and a curved portion between the first flat portion and the second flat portion;
a first back plate disposed on a rear surface of the first flat portion of the display panel;
a second back plate disposed on a rear surface of the second flat portion of the display panel;
a heat radiation sheet disposed between the first back plate the second back plate; and
a bottom hole passing through the heat radiation sheet,
wherein the first flat portion of the display panel includes a display area, and
wherein an entirety of the bottom hole overlaps the display area.
10. The flexible display device of claim 9 , further comprising:
a first cushion tape disposed between the first back plate and the second back plate.
11. The flexible display device of claim 9 , further comprising:
a circuit element connected to one end of the second flat portion and a rear surface of the heat radiation sheet.
12. The flexible display device of claim 11 , wherein the bottom hole is spaced apart from the circuit element.
13. The flexible display device of claim 11 , further comprising:
an insulating tape covering the circuit element.
14. The flexible display device of claim 9 , further comprising:
a fingerprint recognition sensor disposed in the bottom hole.
15. The flexible display device of claim 9 , further comprising:
a camera disposed in the bottom hole.
16. The flexible display device of claim 9 , further comprising:
a second cushion tape enclosing an opening of the bottom hole and configured to absorb an external impact.
17. A flexible display device, comprising:
a display panel bent in a bending area;
a plurality of back plates adjacent to the bending area in an area of the display panel other than the bending area;
a heat radiation sheet disposed between the back plates;
a bottom hole passing through the heat radiation sheet;
wiring lines on the bending area of the display panel and having a triple layered structure of titanium (Ti)/aluminum (Al)/titanium (Ti);
a passivation layer enclosing an upper portion and a side portion of the bending area of the display panel; and
a micro coating layer disposed on the bending area of the display panel,
wherein the display panel includes a display area extending from one side of the bending area, and
wherein an entirety of the bottom hole overlaps the display area.
18. The flexible display device of claim 17 , further comprising:
a first cushion tape disposed between the back plates.