Electronic device including dummy contact hole

1 . An electronic device, comprising:

a display layer configured to display an image; and

a sensor layer disposed on the display layer, the sensor layer comprising:

a first electrode;

a second electrode intersecting the first electrode and comprising a sensing pattern and a bridge pattern;

an insulating layer disposed between the sensing pattern and the bridge pattern; and

a plurality of dummy patterns disposed on a same layer as the bridge pattern, spaced apart from the bridge pattern, and spaced apart from one another,

wherein a plurality of contact holes is defined through the insulating layer,

wherein the plurality of contact holes comprise a plurality of effective contact holes through which a portion of the bridge pattern is exposed and a plurality of dummy contact holes through which a portion of each of the plurality of dummy patterns is exposed,

wherein each of the plurality of dummy contact holes exposes a different and independent one of the plurality of dummy patterns on a one-to-one basis,

wherein the sensing pattern is electrically connected to the bridge pattern via the effective contact holes, and

wherein the first electrode or the sensing pattern is connected to the dummy patterns via the dummy contact holes.

2 . The electronic device of claim 1 , wherein the first electrode comprises a first mesh line extending in a first direction and a second mesh line extending in a second direction intersecting the first direction, and

wherein the sensing pattern comprises a third mesh line extending in the first direction and a fourth mesh line extending in the second direction.

3 . The electronic device of claim 2 ,

wherein the plurality of dummy contact holes are defined at a first cross-point where the first mesh line intersects or meets with the second mesh line and a second cross-point where the third mesh line intersects or meets with the fourth mesh line, and

wherein the effective contact holes overlaps the bridge pattern, where the third mesh line intersects or meets with the fourth mesh line.

4 . The electronic device of claim 2 , wherein the first electrode further comprises a first non-opening area having a width that is greater than a width of the first mesh line, and

wherein the sensing pattern further comprises a second non-opening area having a width that is greater than a width of the third mesh line.

5 . The electronic device of claim 4 , wherein the effective contact holes overlaps the second non-opening area.

6 . The electronic device of claim 4 ,

wherein the plurality of dummy contact holes overlap the first non-opening area.

7 . The electronic device of claim 4 ,

wherein the plurality of dummy contact holes are defined at a first cross-point where the first mesh line intersects or meets the second mesh line, a second cross-point where the third mesh line intersects or meets the fourth mesh line, and the first non-opening area.

8 . The electronic device of claim 2 , wherein the display layer comprises a plurality of first light emitting areas, a plurality of second light emitting areas, and a plurality of third-light emitting areas,

wherein the plurality of first light emitting areas are alternately arranged with the plurality of second light emitting areas in the second direction,

wherein the plurality of third-light emitting areas are arranged in the second direction, and

wherein one third-light emitting area, among the plurality of third-light emitting areas, is spaced apart from one first light emitting area, among the plurality of first light emitting areas, and one second light emitting area, among the plurality of second light emitting areas, in the first direction.

9 . The electronic device of claim 8 , wherein the effective contact holes are defined between two third-light emitting areas adjacent to each other in the second direction among the plurality of third-light emitting areas, and

wherein the bridge pattern overlaps an area between the two third-light emitting areas.

10 . The electronic device of claim 9 , wherein the dummy contact holes are defined between another two third-light emitting areas adjacent to each other in the second direction, among the plurality of third-light emitting areas, and

wherein the dummy patterns overlap an area between the other two third-light emitting areas.

11 . The electronic device of claim 1 , wherein the bridge pattern extends in a first direction, and

wherein the dummy patterns are spaced apart from the bridge pattern in a second direction intersecting the first direction.

12 . The electronic device of claim 11 , wherein the bridge pattern comprises a curved portion facing the dummy patterns and curved to bypass the dummy patterns.

13 . The electronic device of claim 11 , wherein the effective contact holes are spaced apart from the dummy contact holes in the first direction, and

wherein the effective contact holes and the dummy contact holes are aligned with each other.

14 . The electronic device of claim 1 , wherein the bridge pattern comprises a line portion extending in a first direction, and

wherein the dummy contact holes are spaced apart from the bridge pattern in a second direction intersecting the first direction.

15 . The electronic device of claim 14 , wherein the bridge pattern further comprises a curved portion extending from the line portion, and

wherein the dummy contact holes are spaced apart from the curved portion in the second direction.

16 . The electronic device of claim 14 , wherein the bridge pattern further comprises a connection portion connected to the line portion, and

wherein the effective contact holes overlaps the connection portion.

17 . The electronic device of claim 14 , wherein the bridge pattern further comprises a protrusion portion protruded in the second direction, and

wherein the effective contact holes overlaps the protrusion portion.

18 . The electronic device of claim 1 , wherein the sensor layer further comprises a plurality of dummy bridge patterns disposed on a same layer as the bridge pattern and spaced apart from the bridge pattern.

19 . The electronic device of claim 18 , wherein the plurality of dummy bridge patterns comprises:

a first dummy bridge pattern overlapping the first electrode and the sensing pattern and electrically floated;

a second dummy bridge pattern overlapping the first electrode and electrically connected to the first electrode; and

a third dummy bridge pattern overlapping the sensing pattern and electrically connected to the sensing pattern.

20 . An electronic device, comprising:

a display layer configured to display an image; and

a sensor layer disposed on the display layer, the sensor layer comprising:

a first electrode;

a second electrode intersecting the first electrode and comprising a sensing pattern and a bridge pattern;

an insulating layer disposed between the sensing pattern and the bridge pattern; and

a plurality of dummy patterns disposed on a same layer as the bridge pattern, spaced apart from the bridge pattern, and spaced apart from one another,

wherein a plurality of contact holes is defined through the insulating layer,

wherein the plurality of contact holes comprise a plurality of effective contact holes overlapping the bridge pattern and a plurality of dummy contact holes that do not overlap the bridge pattern and instead overlap the plurality of dummy patterns,

wherein each of the plurality of dummy contact holes exposes a different and independent one of the plurality of dummy patterns on a one-to-one basis,

wherein the bridge pattern comprises a line portion extending in a first direction, and

wherein the dummy contact holes are spaced apart from the bridge pattern in a second direction intersecting the first direction.

21 . The electronic device of claim 20 , wherein the bridge pattern further comprises a curved portion extending from the line portion, and

wherein the dummy contact holes are spaced apart from the curved portion in the second direction.

22 . The electronic device of claim 20 , wherein the bridge pattern further comprises a connection portion connected to the line portion, and

wherein the effective contact holes overlaps the connection portion.

23 . The electronic device of claim 20 , wherein the bridge pattern further comprises a protrusion portion protruded in the second direction, and

wherein the effective contact holes overlaps the protrusion portion.

24 . An electronic device, comprising:

a first conductive layer comprising a bridge pattern and a plurality of dummy patterns;

a second conductive layer comprising a plurality of conductive patterns having a mesh structure; and

an insulating layer disposed between the first conductive layer and the second conductive layer and provided with a plurality of effective contact holes and a plurality of dummy contact holes defined therethrough,

wherein the plurality of effective contact holes overlap the bridge pattern,

wherein the plurality of dummy contact holes respectively overlap the plurality of dummy patterns, and

wherein each of the plurality of dummy contact holes exposes a different and independent one of the plurality of dummy patterns on a one-to-one basis.

25 . The electronic device of claim 24 , wherein the mesh structure comprises a plurality of cross-points, and each of the plurality of cross-points overlaps at least one contact hole among the plurality of effective contact holes and the plurality of dummy contact holes.

26 . The electronic device of claim 24 , wherein the mesh structure comprises a plurality of mesh lines and a plurality of non-opening areas having a width that is greater than a width of the mesh lines, and

wherein each of the non-opening areas overlaps at least one effective contact hole among the effective contact holes or at least one dummy contact hole among the dummy contact holes.

27 . The electronic device of claim 24 , wherein the bridge pattern comprises a line portion extending in a first direction, and

wherein the plurality of dummy contact holes are spaced apart from the bridge pattern in a second direction intersecting the first direction.

28 . The electronic device of claim 27 , wherein the bridge pattern further comprises a plurality of curved portions extending from the line portion, and

wherein the plurality of dummy contact holes are spaced apart from the plurality of curved portions in the second direction.

29 . The electronic device of claim 27 , wherein the bridge pattern further comprises a plurality of connection portions having a width that is greater than a width of the line portion, and

wherein the plurality of effective contact holes overlap the plurality of connection portions, respectively.

30 . The electronic device of claim 27 , wherein the bridge pattern further comprises a plurality of protrusion portions protruded in the second direction, and

wherein the plurality of effective contact holes overlap the plurality of protrusion portions.