Repair circuit for a display device
A display device may include a pixel circuit in a display area including a rounded corner portion, a scan driving circuit in a peripheral area surrounding the display area, and configured to provide a scan signal to the pixel circuit, a fan-out line between the pixel circuit and the scan driving circuit in the peripheral area adjacent to the corner portion, and configured to provide a pixel data signal to the pixel circuit, and a repair circuit between the scan driving circuit and the fan-out line in the peripheral area adjacent to the corner portion.
1. A display device, comprising:
a pixel circuit in a display area comprising a rounded corner portion;
a scan driving circuit in a peripheral area surrounding the display area, and configured to provide a scan signal to the pixel circuit;
a fan-out line between the pixel circuit and the scan driving circuit in the peripheral area adjacent to the corner portion, and configured to provide a pixel data signal to the pixel circuit; and
a repair circuit between the scan driving circuit and the fan-out line in the peripheral area adjacent to the corner portion.
2. The display device of claim 1 , wherein the pixel circuit comprises:
an active layer;
a first conductive layer above the active layer;
a second conductive layer above the first conductive layer;
a third conductive layer above the second conductive layer; and
a fourth conductive layer above the third conductive layer.
3. The display device of claim 2 , further comprising:
a pixel data line in the display area, connected to the fan-out line, and configured to provide the pixel data signal to the pixel circuit; and
a repair data line in the peripheral area, and configured to provide a repair data signal to the repair circuit.
4. The display device of claim 3 , wherein the repair data line is at a same layer as the pixel data line.
5. The display device of claim 4 , wherein the pixel data line and the repair data line are at a same layer as the fourth conductive layer.
6. The display device of claim 3 , wherein the repair data line has a curved shape in the peripheral area adjacent to the corner portion.
7. The display device of claim 2 , further comprising a connection line connecting the scan driving circuit and the pixel circuit, and configured to provide the scan signal to the pixel circuit.
8. The display device of claim 7 , wherein the connection line crosses the fan-out line, and is at a different layer from the fan-out line in the peripheral area adjacent to the corner portion.
9. The display device of claim 7 , wherein the connection line is at a same layer as the third conductive layer.
10. The display device of claim 2 , wherein the fan-out line is at a same layer as one of the first conductive layer and the second conductive layer.
11. A display device, comprising:
pixel circuits in a display area comprising a rounded first corner portion and a rounded second corner portion, the pixel circuits being arranged in a first direction, and in a second direction that is substantially perpendicular to the first direction;
scan driving circuits in a peripheral area surrounding the display area, and configured to provide scan signals to the pixel circuits;
first repair circuits adjacent to the scan driving circuits in the peripheral area adjacent to the first corner portion, the first repair circuits being arranged in a third direction that is between the first direction and the second direction;
second repair circuits in the peripheral area adjacent to the second corner portion;
pixel data lines in the display area, and configured to provide pixel data signals to the pixel circuits; and
a repair data line in the peripheral area, and configured to provide a repair data signal to the first repair circuits and the second repair circuits.
12. The display device of claim 11 , wherein the second repair circuits are adjacent to the scan driving circuits and spaced apart from the pixel circuits.
13. The display device of claim 12 , wherein the repair data line has a curved shape in the peripheral area adjacent to the first corner portion and the second corner portion.
14. The display device of claim 11 , wherein the second repair circuits are adjacent to the pixel circuits and spaced apart from the scan driving circuits.
15. The display device of claim 14 , wherein the repair data line has a curved shape in the peripheral area adjacent to the first corner portion, and has a stepped shape extending in the first direction and in the second direction in the peripheral area adjacent to the second corner portion.
16. The display device of claim 15 , wherein the repair data line comprises branch repair data lines crossing the second repair circuits in the peripheral area adjacent to the second corner portion, and
wherein the branch repair data lines are at a same lines as the pixel data lines and spaced apart from the pixel data lines.
17. The display device of claim 11 , further comprising fan-out lines between the pixel circuits and the scan driving circuits in the peripheral area adjacent to the first corner portion, the fan-out lines being respectively connected to the pixel data lines.
18. The display device of claim 17 , wherein the first repair circuits are between the scan driving circuits and the fan-out lines.
19. The display device of claim 17 , further comprising connection lines connecting the scan driving circuits and the pixel circuits, and configured to provide the scan signals to the pixel circuits.
20. The display device of claim 19 , wherein the connection lines cross the fan-out lines and are at a different layer from the fan-out lines in the peripheral area adjacent to the first corner portion.
21. The display device of claim 19 , wherein the connection lines are at a same layer as the fan-out lines in the peripheral area adjacent to the second corner portion.