Touch panel and touch device including the same
A touch panel includes a substrate, a sensing electrode on the substrate, wires to electrically connect the sensing electrode, a first ground electrode between the sensing electrode and the wire, and an overlap area where the first ground electrode overlaps with the sensing electrode. A touch panel of another embodiment includes a substrate on which an active area and an unactive area are defined, a sensing electrode on the active area, a wire disposed on the unactive area to electrically connect the sensing electrode, and a first ground electrode provided on the active area between the sensing electrode and the wire.
1. A touch panel comprising:
a substrate;
a sensing electrode on the substrate;
wires to electrically connect the sensing electrode;
a first ground electrode between the sensing electrode and the wire; and
an overlap region where the first ground electrode overlaps with the sensing electrode, wherein the sensing electrode includes a first sensing electrode, a second sensing electrode and a first bridge electrode, a first insulating layer is provided on the first bridge electrode and the first sensing electrode is provided on the first insulating layer,
wherein the overlap region includes a third sensing electrode extending from the second sensing electrode, a second bridge electrode and a second insulating layer provided on the second bridge electrode, and the first ground electrode is provided on the second insulating layer, and
wherein the third sensing electrode has a portion connected to the wires.
2. The touch panel of claim 1 , wherein the first ground electrode is provided where one of the wires is connected to the sensing electrode.
3. The touch panel of claim 1 , wherein the substrate includes a left bezel and a right bezel, and the first ground electrode is provided on at least one of the left bezel or the right bezel, respectively.
4. The touch panel of claim 3 , wherein the first ground electrode includes a part parallel to the wire provided on the left bezel or the right bezel.
5. The touch panel of claim 3 , wherein the first ground electrode is provided on all connection parts between the wire, which is provided on the left bezel or the right bezel, and the sensing electrode.
6. The touch panel of claim 1 , wherein the first ground electrode has a length equal to or longer than a length of at least one of the wires.
7. The touch panel of claim 1 , wherein the third sensing electrode includes a first sub-third sensing electrode provided on a top surface of one side of the second bridge electrode and a second sub-third sensing electrode provided on a top surface of an opposite side of the second bridge electrode.
8. The touch panel of claim 1 , wherein the first and second insulating layers are connected with each other and include a hole to electrically connect the first bridge electrode to the second sensing electrode.
9. The touch panel of claim 1 , further comprising a second ground electrode provided at an outermost region of the substrate.
10. A touch panel comprising:
a substrate on which an active area and an unactive area are defined;
a sensing electrode on the active area;
a wire provided on the unactive area to electrically connect the sensing electrode;
a first ground electrode provided over the active area between the sensing electrode and the wire;
an overlap region where the first ground electrode overlaps with the sensing electrode, wherein the sensing electrode includes a first sensing electrode, a second sensing electrode and a first bridge electrode, a first insulating layer is provided under the first bridge electrode and the first sensing electrode is provided under the first insulating layer, and
wherein the overlap region includes a third sensing electrode extending from the second sensing electrode and a second insulating layer provided on the third sensing electrode, and the first ground electrode is provided on the second insulating layer.
11. The touch panel of claim 10 , wherein the first ground electrode includes a material which is the same as a material of the sensing electrode.
12. The touch panel of claim 10 , wherein the overlap region is provided over the active area.
13. The touch panel of claim 10 , further comprising a second ground electrode provided at an outermost region of the substrate on the unactive area.
14. The touch panel of claim 13 , wherein a material of the first ground electrode is different from a material of the second ground electrode.
15. The touch panel of claim 10 , wherein the third sensing electrode is provided under the first ground electrode.
16. The touch panel of claim 10 , wherein the first and second insulating layers are connected with each other, and include a hole to electrically connect the first bridge electrode to the second sensing electrode.