Touch panel and touch device including the same
A touch panel of the embodiment includes a substrate including an active area and an unactive area; a sensing electrode on the substrate; a wire electrically connected with the sensing electrode; a ground electrode on the substrate; a sub-ground electrode protruding toward an end of the substrate; and a first area defined by the sub-ground electrode, wherein the first area has a width larger than a line width of the sub-ground electrode. A touch device of the embodiment includes a display panel; and a touch panel on the display panel, wherein the touch panel includes a substrate; a sensing electrode on the substrate; a wire electrically connected with the sensing electrode; a ground electrode on the substrate; a sub-ground electrode protruding toward an end of the substrate; and a first area defined by the sub-ground electrode.
1. A touch panel comprising:
a substrate including an active area and an unactive area;
a sensing electrode on the substrate to sense a position;
a wire electrically connected with the sensing electrode;
a ground electrode on the substrate; and
a sub-ground electrode branching from the ground electrode to surround a first area,
a pad part at an end portion of the ground electrode,
wherein a shortest distance from the active area to the end portion of the ground electrode is longer than a shortest distance from the active area to the pad part.
2. The touch panel of claim 1 , wherein a minimum width of the first area is larger than a minimum width of the sub-ground electrode.
3. The touch panel of claim 1 , wherein the sub-ground electrode comprises a first sub-ground electrode and a second sub-ground electrode, and the first sub-ground electrode faces the second sub-ground electrode.
4. The touch panel of claim 3 , wherein an end portion of the first sub-ground electrode faces an end portion of the second sub-ground electrode.
5. The touch panel of claim 3 , wherein the first sub-ground electrode and the second sub-ground electrode comprises at least one bending portion.
6. The touch panel of claim 1 , wherein the substrate comprises a protrusion area.
7. The touch panel of claim 6 , wherein the sub-ground electrode is disposed on the protrusion area.
8. The touch panel of claim 6 , wherein the protrusion area corresponds to the sub-ground electrode.
9. The touch panel of claim 1 , wherein the first area is an open area.
10. The touch panel of claim 1 , wherein the sub-ground electrode is at an outer peripheral portion of the substrate.
11. The touch panel of claim 1 , wherein the sub-ground electrode is at an edge of the substrate.
12. The touch panel of claim 1 , further comprising an instruction icon in the unactive area,
wherein the ground electrode is disposed while detouring the instruction icon.
13. The touch panel of claim 1 , wherein the substrate comprises a first substrate and a second substrate, and the ground electrode comprises an upper ground electrode on the first substrate and a lower ground electrode on the second substrate.
14. The touch panel of claim 13 , wherein a ratio of a line width of the upper ground electrode to a line width of the lower ground electrode is in a range of 1:1 to 1:2.
15. A touch device comprising:
a display panel; and
a touch panel on the display panel,
wherein the touch panel comprises:
a substrate;
a sensing electrode on the substrate to sense a position;
a wire electrically connected with the sensing electrode;
a ground electrode on the substrate;
a sub-ground electrode protruding toward an end portion of the substrate; and
a first area defined by the sub-ground electrode,
wherein the first area has a width larger than a line width of the sub-ground electrode,
a pad part at an end portion of the ground electrode,
wherein a shortest distance from the active area to the end portion of the ground electrode is longer than a shortest distance from the active area to the pad part.
16. The touch device of claim 15 , wherein a second area corresponding to the first area is defined at a lateral side of the display panel, and a mechanical component is disposed on the second area.
17. The touch device of claim 16 , wherein the mechanical component comprises an antenna.