Display device
View Patent ↗A display device includes an array substrate and a counter substrate. The array substrate includes an outgoing line for connecting a first electrode for capacitive touch detection to a detection circuit. The outgoing line includes: a first wiring portion extended from the first electrode side to the detection circuit side; and a first capacitance adjusting wiring portion connected to the first wiring portion on the same layer and serving to adjust the total capacitance of the first electrode and the outgoing line.
1. A liquid crystal display device comprising:
an array substrate;
a counter substrate;
an image signal line;
a scan signal line;
a transistor connected to the image signal line and the scan signal line; and
an outgoing line for connecting a first electrode for capacitive touch detection to a detection circuit, and
a first power supply wiring disposed on a layer different from that of the outgoing line, wherein
the outgoing line includes:
a first wiring portion extended from the first electrode toward the detection circuit; and
a first capacitance adjusting wiring portion connected with the first wiring portion,
the first wiring portion intersects the first power supply wiring, and
the first capacitance adjusting wiring portion is overlapped with the first power supply wiring in planar view and extends along the first power supply wiring from the first wiring portion.
2. The display device according to claim 1 , further comprising
a signal line disposed on a layer on the opposite side from the layer of the outgoing line with respect to the layer of the first power supply wiring.
3. The display device according to claim 1 , wherein
the outgoing line further includes a second capacitance adjusting wiring portion for capacitance adjustment which is formed on the same layer as the first wiring portion, and
the array substrate further includes a second power supply wiring disposed on the same layer as the first power supply wiring.
4. The display device according to claim 3 , wherein
the outgoing line further includes a second wiring portion,
the second wiring portion intersects the second power supply wiring and connects the second capacitance adjusting wiring portion, and
the second capacitance adjusting wiring portion is disposed to overlap with the second power supply wiring in planar view and extends along the second power supply wiring from the second wiring portion.
5. The display device according to claim 4 , wherein
the first capacitance adjusting wiring portion has a first end which is away from the first wiring portion, and
the second capacitance adjusting wiring portion has a second end which is away from the second wiring portion.
6. The display device according to claim 5 , wherein
the outgoing line further includes a third wiring portion which is connected to the first capacitance adjusting wiring portion and the second capacitance adjusting wiring portion on the same layer.
7. The display device according to claim 6 , wherein
the third wiring portion connects the first end of the first capacitance adjusting wiring portion and the second end of the first capacitance adjusting wiring portion, and
the first capacitance adjusting wiring portion and the second capacitance adjusting wiring portion each has a wiring pattern shaped like an open-ended rectangle.
8. The display device according to claim 1 , wherein
the outgoing line further includes a second capacitance adjusting wiring portion for capacitance adjustment which is formed on the same layer as the first wiring portion,
the second capacitance adjusting wiring portion is overlapped with the first power supply wiring in planar view and extends along the first power supply wiring from the first wiring portion.
9. The display device according to claim 8 , wherein
the outgoing line further includes a third capacitance adjusting wiring portion connecting the first capacitance adjusting wiring portion and the second capacitance adjusting wiring portion.
10. The display device according to claim 1 , further comprising
a common electrode, wherein
the common electrode is a driving electrode for touch sensor, and
the first electrode is a detection electrode for the touch sensor.
11. The display device according to claim 10 , wherein
the first electrode is disposed on the array substrate.
12. The display device according to claim 1 , wherein
the first electrode is disposed on the array substrate and is an electrode for a self-capacitance type touch sensor.
13. A display device comprising:
an array substrate;
a counter substrate;
an image signal line;
a scan signal line;
a transistor connected to the image signal line and the scan signal line;
an outgoing line for connecting a first electrode for capacitive touch detection to a detection circuit, and
a first power supply wiring extended in a first direction, wherein
the outgoing line is extended in a second direction intersecting with the first direction, and
the outgoing line includes:
a first wiring portion extended in the second direction, and
a first capacitance adjusting wiring portion extended from the first wiring portion in the first direction and overlapped with the first power supply wiring in a planar view.
14. The display device according to claim 13 , wherein
the outgoing line is disposed on the first power supply wiring via an interlayer insulation film.
15. The display device according to claim 13 , wherein
the outgoing line further includes a second capacitance adjusting wiring portion for capacitance adjustment which is formed on the same layer as the first wiring portion, and
the array substrate further includes a second power supply wiring disposed on the same layer as the first power supply wiring.
16. The display device according to claim 15 , wherein
the outgoing line further includes a second wiring portion,
the second wiring portion intersects the second power supply wiring and connects the second capacitance adjusting wiring portion,
the second capacitance adjusting wiring portion is disposed to overlap with the second power supply wiring in planar view and extends along the second power supply wiring from the second wiring portion.
17. The display device according to claim 16 , wherein
the first capacitance adjusting wiring portion has a first end which is away from the first wiring portion, and
the second capacitance adjusting wiring portion has a second end which is away from the second wiring portion.
18. The display device according to claim 17 , wherein
the outgoing line further includes a third wiring portion extended in the first direction and connected to the first capacitance adjusting wiring portion and the second capacitance adjusting wiring portion on the same layer.
19. The display device according to claim 18 , wherein
the third wiring portion connects the first end of the first capacitance adjusting wiring portion and the second end of the first capacitance adjusting wiring portion, and
the first capacitance adjusting wiring portion and the second capacitance adjusting wiring portion each has a wiring pattern shaped like an open-ended rectangle.
20. The display device according to claim 13 , wherein
the outgoing line further includes a second capacitance adjusting wiring portion for capacitance adjustment which is formed on the same layer as the first wring portion,
the second capacitance adjusting wiring portion is overlapped with the first power supply wiring in a planar view and extends along the first power supply wiring from the first wiring portion.