Display device
A display device includes: a substrate; a display area including pixels arranged on the substrate; a first area disposed at one side of the display area; a second area including pads arranged on the substrate; a bending area disposed between the first area and the second area; and a fan-out line disposed in the first area, the bending area, and the second area. The fan-out line includes: a plurality of sub-routing lines arranged in the first area and electrically connected to each other; and a plurality of sub-pad lines arranged in the second area and electrically connected to each other. The number of the plurality of sub-routing lines is greater than the number of the plurality of sub-pad lines.
1. A display device, comprising:
a substrate;
a display area including pixels arranged on the substrate;
a first area disposed at one side of the display area;
a second area including pads arranged on the substrate;
a bending area disposed between the first area and the second area; and
a fan-out line disposed in the first area, the bending area, and the second area,
wherein the fan-out line includes:
a plurality of sub-routing lines arranged in the first area and electrically connected to each other; and
a plurality of sub-pad lines arranged in the second area and electrically connected to each other,
wherein the number of the plurality of sub-routing lines is greater than the number of the plurality of sub-pad lines.
2. The display device of claim 1 ,
wherein the plurality of sub-routing lines overlaps each other in a thickness direction of the substrate.
3. The display device of claim 1 ,
wherein the plurality of sub-pad lines overlaps each other in a thickness direction of the substrate.
4. The display device of claim 1 ,
wherein the fan-out line further includes a connection line disposed in the bending area.
5. The display device of claim 4 ,
wherein the plurality of sub-routing lines includes:
a first sub-routing line disposed on the substrate;
a second sub-routing line disposed on the first sub-routing line; and
a third sub-routing line disposed on the second sub-routing line.
6. The display device of claim 5 ,
wherein a width of the first sub-routing line is wider than a width of the second sub-routing line, and the width of the second sub-routing line is wider than a width of the third sub-routing line.
7. The display device of claim 5 ,
wherein the width of the second sub-routing line is wider than the width of the first sub-routing line and wider than the width of the third sub-routing line.
8. The display device of claim 5 ,
wherein the plurality of sub-pad lines includes:
a first sub-pad line disposed on the substrate; and
a second sub-pad line disposed on the first sub-pad line.
9. The display device of claim 8 ,
wherein each of the pixels includes:
a first transistor disposed on the substrate and including a first active layer containing a silicon semiconductor and a first gate electrode on the first active layer; and
a second transistor disposed on the substrate and including a second active layer containing an oxide semiconductor and a second gate electrode on the second active layer.
10. The display device of claim 9 , further comprising:
a first insulating film disposed on the first active layer,
wherein the first gate electrode, the first sub-routing line, and the first sub-pad line are arranged on the first insulating film, and are made of a same material.
11. The display device of claim 10 , further comprising:
a second insulating film disposed on the first gate electrode; and
a third insulating film disposed on the second insulating film,
wherein the second sub-routing line and the second sub-pad line are arranged on the second insulating film and are made of a same material, and
the second active layer is disposed on the third insulating film.
12. The display device of claim 11 , further comprising:
a fourth insulating film disposed on the second active layer,
wherein the second gate electrode and the third sub-routing line are arranged on the fourth insulating film.
13. The display device of claim 12 , further comprising:
a fifth insulating film disposed on the second gate electrode and the third sub-routing line,
wherein the connection line is disposed on the fifth insulating film.
14. The display device of claim 13 ,
wherein the second sub-routing line is connected to the first sub-routing line through a first fan-out contact hole penetrating the second insulating film, and
the third sub-routing line is connected to the second sub-routing line through a second fan-out contact hole penetrating the third insulating film.
15. The display device of claim 13 ,
wherein the second sub-pad line is connected to the first sub-pad line through a pad contact hole penetrating the second insulating film, and
wherein the connection line is connected to the third sub-routing line through a first connection contact hole penetrating the fifth insulating film.
16. The display device of claim 1 , further comprising:
a scan driver connected to the fan-out line, and which generates scan signals according to a timing signal of the fan-out line and outputs the scan signals to scan lines of the display area.
17. A display device, comprising:
a substrate including a first side extending in a first direction, a second side extending in a second direction, and a first corner portion where the first side and the second side meet each other;
a display area including pixels, scan lines, and data lines, which are arranged on the substrate;
a non-display area disposed adjacent to the display area;
a scan driver disposed adjacent to the first side in the non-display area and which outputs scan signals to the scan lines; and
a fan-out line disposed adjacent to the first corner portion in the non-display area and connected to the scan driver,
wherein the fan-out line includes a plurality of sub-routing lines,
the plurality of sub-routing lines overlaps each other in a thickness direction of the substrate, and
widths of the plurality of sub-routing lines are different from each other.
18. The display device of claim 17 ,
wherein the plurality of sub-routing lines includes:
a first sub-routing line disposed on the substrate;
a second sub-routing line disposed on the first sub-routing line; and
a third sub-routing line disposed on the second sub-routing line.
19. The display device of claim 18 ,
wherein the width of the first sub-routing line is wider than the width of the second sub-routing line, and the width of the second sub-routing line is wider than the width of the third sub-routing line.
20. The display device of claim 18 ,
wherein the width of the second sub-routing line is wider than the width of the first sub-routing line and wider than the width of the third sub-routing line.