Display device and inspecting method thereof
An exemplary embodiment of the present inventive concept provides a display device including: a display area where an image is displayed; a peripheral area disposed outside the display area; a hole area disposed within the display area; a hole crack detection line disposed adjacent to the hole area to surround the hole area and having a first end and a second end that is separated from the first end; a first detection line extending from the peripheral area and connected to the hole crack detection line to constitute a first closed circuit; a second detection line extending from the peripheral area and connected to the hole crack detection line to constitute a second closed circuit; and a circuit portion connected to the first detection line and the second detection line.
1 . A display device comprising:
a display area where an image is displayed;
a peripheral area disposed outside the display area;
a hole area disposed within the display area;
a surrounding line at least partially surrounding at least one part of the hole area and having a first end and a second end;
a first line extending from the peripheral area and connected to the surrounding line;
a second line extending from the peripheral area and connected to the surrounding line; and
a circuit portion connected to the first line and the second line,
wherein the first line and the second line are spaced apart from each other with the display area including a plurality of pixels, and
wherein the first line forms a first closed circuit with the surrounding line, and the second line forms a second closed circuit with the surrounding line.
2 . The display device of claim 1 , wherein
the circuit portion is configured to determine crack defects at the peripheral area and the hole area based on signals from the first and the second lines.
3 . The display device of claim 1 , wherein
the first line includes:
a first transfer line having a first end that is connected to the circuit portion and a second end that is connected to the first end of the surrounding line; and
a first receiving line having a first end that is connected to the circuit portion and a second end that is connected to the second end of the surrounding line, and
wherein the second line includes:
a second transfer line having a first end that is connected to the circuit portion and a second end that is connected to the second end of the surrounding line, and
a second receiving line having a first end that is connected to the circuit portion and a second end that is connected to the first end of the surrounding line.
4 . The display device of claim 1 , further comprising:
a third line disposed outside of the first line in the peripheral area and having opposite ends that are connected to the circuit portion; and
a fourth line disposed outside of the second line in the peripheral area and having opposite ends that are connected to the circuit portion.
5 . The display device of claim 4 , wherein
the first line and the second line are disposed in the same conductive layers as the third and the fourth line.
6 . The display device of claim 4 , wherein
the first line and the second line are disposed in different conductive layers from the third and the fourth line.
7 . The display device of claim 1 , wherein
the first line includes:
a first transfer line having a first end that is connected to the circuit portion and a second end that is connected to the second end of the surrounding line; and
a first receiving line having a first end that is connected to the circuit portion and a second end that is connected to the second end of the surrounding line, and
wherein the second line includes:
a second transfer line having a first end that is connected to the circuit portion and a second end that is connected to the first end of the surrounding line; and
a second receiving line having a first end that is connected to the circuit portion and a second end that is connected to the first end of the surrounding line.
8 . The display device of claim 7 , wherein
the first transfer line and the first receiving line constitute a first closed circuit, and
the second transfer line and the second receiving line constitute a second closed circuit.
9 . The display device of claim 8 , wherein
the first transfer line, the surrounding line, and the second receiving line constitute a third closed circuit.
10 . The display device of claim 9 , wherein
the circuit portion is configured to determine a defect at the hole area where a crack occurs in the surrounding line when the third closed circuit is determined to be defective based on a signal from the second receiving line.
11 . A display device comprising:
a display area where an image is displayed;
a peripheral area disposed outside the display area;
a hole area disposed within the display area;
a surrounding line at least partially surrounding at least one part of the hole area and having a first end and a second end;
a first line extending from the peripheral area and connected to the surrounding line;
a second line extending from the peripheral area and connected to the surrounding line; and
a circuit portion connected to the first line and the second line,
wherein the first line and the second line are spaced apart from each other with the display area including a plurality of pixels,
wherein the first line includes:
a first transfer line having a first end that is connected to the circuit portion and a second end that is connected to the first end of the surrounding line; and
a first receiving line having a first end that is connected to the circuit portion and a second end that is connected to the second end of the surrounding line, and
wherein the second line includes:
a second transfer line having a first end that is connected to the circuit portion and a second end that is connected to the first end of the surrounding line, and
a second receiving line having a first end that is connected to the circuit portion and a second end that is connected to the second end of the surrounding line.
12 . The display device of claim 11 , wherein
the first transfer line, the surrounding line, and the first receiving line constitute a first closed circuit, and
the second transfer line, the surrounding line, and the second receiving line constitute a second closed circuit.
13 . The display device of claim 12 , wherein
the circuit portion determines a hole crack defect where a crack occurs in the surrounding line when both the first closed circuit and the second closed circuit are determined to be defective based on signals from the first and the second receiving lines.
14 . A display device comprising:
a substrate including a display area where an image is displayed and a peripheral area disposed outside the display area;
a hole area disposed within the display area;
a first line at least partially surrounding a first edge of the hole area, the first line including at least first two lines extending substantially parallel to each other and ends of the at least first two lines being connected to each other in a first region adjacent to the hole area;
a second line at least partially surrounding a second edge of the hole area opposing the first edge of the hole area, the second line including at least second two lines extending substantially parallel to each other and ends of the at least second two lines being connected to each other in a second region adjacent to the hole area; and
a circuit portion connected to opposite ends of the first line and opposite ends of the second line,
wherein the first line and the second line are connected to a same line disposed adjacent to the hole area, and the first line and the second line are spaced apart from each other with the display area having a plurality of pixels.
15 . The display device of claim 14 , wherein
the hole area is a region where a hole is formed by removing a substrate and an element disposed on the substrate.
16 . The display device of claim 14 , wherein
a portion of the first line and a portion of the second line are physically separated and face each other with the hole area interposed therebetween.
17 . The display device of claim 14 , wherein
the circuit portion is configured to determine crack defects at the peripheral area and the hole area based on signals from the first and the second lines.
18 . The display device of claim 14 , further comprising:
a third line disposed outside of the first line in the peripheral area and having opposite ends that are connected to the circuit portion; and
a fourth line disposed outside of the second line in the peripheral area and having opposite ends that are connected to the circuit portion.
19 . The display device of claim 18 , wherein
the first line and the second line are disposed in the same conductive layers as the third and the fourth line.
20 . The display device of claim 18 , wherein
the first line and the second line are disposed in different conductive layers from the third and the fourth line.