Display apparatus
A display apparatus includes a flexible substrate including a first area in which an image is displayed, a second area spaced apart from the first area, and a bending area between the first area and the second area, a first insulation layer on an upper surface of the flexible substrate in the bending area, a first source-drain pattern on the upper surface of the flexible substrate in the first area, and a signal line on the first insulation layer in the bending area, and a protecting pattern corresponding to the entire bending area, a first pattern film on a lower surface of the flexible substrate in the first area, a second pattern film spaced apart from the first pattern film, the second pattern film being on the lower surface of the flexible substrate in the second area, and a resin layer on a second source-drain pattern in the bending area.
1. A display apparatus, comprising:
a flexible substrate including a first area in which an image is displayed, a second area spaced apart from the first area, and a bending area between the first area and the second area;
a first insulation layer on an upper surface of the flexible substrate in the bending area;
a first source-drain pattern including source and drain electrodes on the upper surface of the flexible substrate in the first area, and a signal line on the first insulation layer in the bending area;
a second insulation layer on the first source-drain pattern;
a second source-drain pattern including a contact pad on the second insulation layer in the first area, and a protecting pattern corresponding to the entire bending area;
a first pattern film on a lower surface of the flexible substrate in the first area;
a second pattern film spaced apart from the first pattern film, the second pattern film being on the lower surface of the flexible substrate in the second area; and
a resin layer on the protecting pattern in the bending area.
2. The display apparatus as claimed in claim 1 , wherein:
a neutral plane in the bending area is in the protecting pattern, or on a side of the protecting pattern that is opposite to the side of the protecting pattern facing the signal line so that the protecting pattern is between the signal line and the neutral plane, and
compressive stress acts on the signal line when the flexible substrate is bent.
3. The display apparatus as claimed in claim 2 , further comprising a third insulation layer between the protecting pattern and the resin layer.
4. The display apparatus as claimed in claim 3 , wherein the first to third insulation layers include an organic insulation material.
5. The display apparatus as claimed in claim 4 , wherein the resin layer includes an acryl resin.
6. The display apparatus as claimed in claim 3 , further comprising:
a pixel defining layer on the third insulation layer, the pixel defining layer defining an opening in the first area; and
a light emitting structure in the opening,
wherein the pixel defining layer is between the third insulation layer and the resin layer in the bending area.
7. The display apparatus as claimed in claim 2 , wherein the flexible substrate includes:
first and second layers including polyimide; and
a barrier layer between the first layer and the second layer.
8. The display apparatus as claimed in claim 2 , wherein the neutral plane is in the protecting pattern.
9. The display apparatus as claimed in claim 1 , wherein the signal line extends along a width direction of the bending area to connect the first area and the second area.
10. The display apparatus as claimed in claim 9 , wherein a ground voltage is applied to the protecting pattern.
11. The display apparatus as claimed in claim 1 , further comprising an optical element in the first area, wherein the resin layer contacts a side surface of the optical element.
12. The display apparatus as claimed in claim 11 , further comprising a protecting layer on the optical element,
wherein the resin layer contacts a side surface of the protecting layer.
13. The display apparatus as claimed in claim 1 , further comprising a driving circuit part on the flexible substrate in the second area, wherein a portion of the driving circuit part is covered by the resin layer.
14. The display apparatus as claimed in claim 1 , wherein a stiffness of the first and second pattern films is higher than a stiffness of the flexible substrate or the resin layer.
15. The display apparatus as claimed in claim 1 , wherein the flexible substrate in the bending area is bent so that the first area and the second area overlap each other.
16. A display apparatus, comprising:
a thin film panel including a first area in which an image is displayed, a second area spaced apart from the first area, and a bending area between the first area and the second area;
a first pattern film on a lower surface of the thin film panel;
a second pattern film on the lower surface of the thin film panel in the second area and spaced apart from the first pattern film; and
a resin layer on the thin film panel in the bending area,
wherein the thin film panel includes a signal line, and a metal protecting pattern insulated from the signal line and corresponding to the entire bending area.
17. The display apparatus as claimed in claim 16 , wherein the metal protecting pattern is a metal layer.
18. The display apparatus as claimed in claim 17 , wherein a ground voltage is applied to the metal protecting pattern.
19. The display apparatus as claimed in claim 17 , wherein a neutral plane is in the bending area in the metal protecting pattern or on the metal protecting pattern opposite to the signal line with reference to the metal protecting pattern, so that a compressive stress acts on the signal line in the bending area when the thin film panel is bent.
20. The display apparatus as claimed in claim 16 , further comprising:
an optical element in the first area; and
a driving circuit part in the second area, and
wherein the resin layer contacts a side surface of the optical element, and
a portion of the driving circuit part is covered by the resin layer.