Display device including defect sensing line
A display device is provided. The display device may include a substrate, a plurality of pixels, a first data line, a second data line, a defect sensing line, a first input pad, and a static electricity discharge element. The substrate may include a display area and a peripheral area neighboring each other. The plurality of pixels may be positioned on the display area and may include a first pixel and a second pixel. The first data line may be electrically connected to the first pixel. The second data line may be electrically connected to the second pixel and may be electrically isolated from the first data line. The defect sensing line may be positioned on the peripheral area. The first input pad may be electrically connected to the defect sensing line. The static electricity discharge element may be electrically connected through the defect sensing line to the first input pad.
1. A display device comprising:
a substrate comprising a display area and a peripheral area neighboring each other;
a plurality of pixels positioned on the display area and including a first pixel and a second pixel;
a first data line electrically connected to the first pixel;
a second data line electrically connected to the second pixel and electrically isolated from the first data line;
a defect sensing line positioned on the peripheral area;
a first input pad electrically connected to the defect sensing line;
a static electricity discharge element electrically connected through the defect sensing line to the first input pad; and
a first test data line crossing the first or second data line and electrically connecting the static electricity discharge element to the defect sensing line.
2. The display device of claim 1 , further comprising:
a first switching element, wherein an input terminal of the first switching element is electrically connected to the defect sensing line, and wherein an output terminal of the first switching element is electrically connected to the first data line; and
a second switching element, wherein an input terminal of the second switching element is electrically connected through the defect sensing line to the input terminal of the first switching element, and wherein an output terminal of the second switching element is electrically connected to the second data line.
3. The display device of claim 2 , further comprising:
a second test data line electrically connecting the defect sensing line and the second switching element to each other,
wherein the first test data line electrically connects the defect sensing line and the first switching element to each other.
4. The display device of claim 3 , wherein the static electricity discharge element is electrically connected between the first test data line and the second test data line.
5. The display device of claim 4 , wherein the static electricity discharge element comprises a capacitor, wherein a first terminal of the capacitor is electrically connected to the first test data line, and wherein a second terminal of the capacitor is electrically connected to the second test data line.
6. The display device of claim 5 , wherein the second test data line comprises a plurality of sub-wires, wherein the capacitor comprises a plurality of sub-capacitors, and wherein the sub-capacitors are respectively electrically connected to a corresponding sub-wire of the sub-wires.
7. The display device of claim 3 , further comprising
a connection wire electrically connected to the defect sensing line and extending parallel to the first test data line,
wherein the static electricity discharge element is electrically connected through the connection wire to the first test data line.
8. The display device of claim 7 , wherein the static electricity discharge element comprises a capacitor, wherein a first terminal of the capacitor is electrically connected to the connection wire, and wherein a second terminal of the capacitor is electrically connected to the second test data line.
9. The display device of claim 8 , wherein the second test data line comprises a plurality of sub-wires, wherein the capacitor comprises a plurality of sub-capacitors, and wherein the sub-capacitors are respectively electrically connected to a corresponding sub-wire of the sub-wires.
10. The display device of claim 1 , further comprising:
a voltage transmitting line positioned between the defect sensing line and the plurality of pixels; and
an insulating layer positioned on the substrate,
wherein the substrate further comprises a bent portion bent relative to the display area, wherein a portion of the insulating layer is positioned on the bent portion, wherein a section of the defect sensing line is positioned on the bent portion and directly contacts the portion of the insulating layer, and wherein a section of the voltage transmitting line is positioned on the bent portion and directly contacts the portion of the insulating layer.
11. The display device of claim 1 , wherein the static electricity discharge element comprises a capacitor, wherein a first terminal of the capacitor is electrically connected through the defect sensing line to the first input pad.
12. The display device of claim 11 , wherein the first terminal of the capacitor is electrically connected to the first input pad through both a first section of the defect sensing line and a second section of the defect sensing line, and wherein the first section of the defect sensing line and the second section of the defect sensing line extend parallel to each other.
13. The display device of claim 1 , further comprising:
a first switching element positioned between the defect sensing line and the static electricity discharge element, wherein an input terminal of the first switching element is electrically connected to the defect sensing line, and wherein an output terminal of the first switching element is electrically connected to the first data line.
14. The display device of claim 13 , further comprising:
a second switching element, wherein an input terminal of the second switching element is electrically connected to the defect sensing line, wherein an output terminal of the second switching element is electrically connected to the second data line, and wherein the static electricity discharge element is positioned between the first switching element and the second switching element.
15. The display device of claim 13 , wherein the substrate further comprises a bent portion bent relative to the display area, wherein a first section of the defect sensing line is positioned on the bent portion, and wherein the static electricity discharge element is electrically connected through the first section of the defect sensing line to the first input pad.
16. The display device of claim 15 , wherein a second section of the defect sensing line is spaced from the first section of the defect sensing line and is positioned on the bent portion, and wherein the static electricity discharge element is electrically connected through both the first section of the defect sensing line and the second section of the defect sensing line to the first input pad.
17. The display device of claim 15 , wherein the static electricity discharge element is positioned between the bent portion and the first switching element.
18. The display device of claim 1 , wherein the first data line and the second data line immediately neighbor each other with no intervening data line, and wherein the static electricity discharge element is electrically connected between the first data line and the second data line.
19. A display device comprising:
a substrate comprising a display area and a peripheral area neighboring each other;
a plurality of pixels positioned on the display area and including a first pixel and a second pixel;
a first data line electrically connected to the first pixel;
a second data line electrically connected to the second pixel and electrically isolated from the first data line;
a defect sensing line positioned on the peripheral area;
a test data line shorter than the defect sensing line;
a first input pad; and
a static electricity discharge element comprising a first terminal and a second terminal, wherein the first terminal is spaced from the second terminal by a distance shorter than an edge of the display area and is electrically connected through the defect sensing line to the first input pad, and wherein the second terminal is electrically connected through the test data line to the first input pad.
20. A display device-comprising: a substrate comprising a display area and a peripheral area neighboring each other; a plurality of pixels positioned on the display area and including a first pixel and a second pixel; a first data line electrically connected to the first pixel; a second data line electrically connected to the second pixel and electrically isolated from the first data line; a defect sensing line positioned on the peripheral area; a first input pad electrically connected to the defect sensing line; and a static electricity discharge element electrically connected through the defect sensing line to the first input pad, the static electricity discharge element being disposed between two opposite edges of the display area.