Display device

1. A display device, comprising:

a substrate in which an opening is defined;

a first disconnected line disposed on the substrate, the first disconnected line extending along a first direction and including a first disconnected portion and a second disconnected portion, and the first disconnected portion and the second disconnected portion being disconnected from each other by the opening;

a first bypass line disposed on the substrate in a different layer from the first disconnected line, the first bypass line bypassing the opening and connecting the first disconnected portion and the second disconnected portion to each other;

a third disconnected line disposed on the substrate in a same layer as the first disconnected line, the third disconnected line extending along the first direction and including a fifth disconnected portion and a sixth disconnected portion, and the fifth disconnected portion and the sixth disconnected portion being disconnected from each other by the opening; and

a second bypass line bypassing the opening;

a third bypass line disposed on the substrate in a different layer from the third disconnected line, the third bypass line bypassing the opening and connecting the fifth disconnected portion and the sixth disconnected portion to each other,

wherein the first bypass line bypasses the opening through a first side of the opening located in a second direction crossing the first direction from the opening, and the third bypass line bypasses the opening through a second side of the opening opposite to the first side of the opening with respect to the opening,

wherein the first bypass line, the second bypass line and the third bypass line only extend in the first direction and the second direction, and the first, second and third bypass lines surround all sides defining the opening.

2. The display device of claim 1 , wherein the first bypass line includes:

a first bypass portion extending along the second direction crossing the first direction, the first bypass portion being connected to the first disconnected portion;

a second bypass portion extending along the second direction, the second bypass portion being connected to the second disconnected portion; and

a third bypass portion extending along the first direction, the third bypass portion connecting the first bypass portion and the second bypass portion.

3. The display device of claim 2 , further comprising:

a connected line disposed on the substrate in a same layer as the first disconnected line, the connected line extending along the first direction and not being disconnected by the opening,

wherein the third bypass portion overlaps the connected line along an entire length of the third bypass portion extending in the first direction.

4. The display device of claim 3 , wherein the connected line transmits a direct current voltage.

5. The display device of claim 1 , wherein the first disconnected line is a scan line, an emission control line, or an initialization voltage line.

6. The display device of claim 1 , further comprising:

a second disconnected line disposed on the substrate in a different layer from the first disconnected line, the second disconnected line extending along the second direction crossing the first direction and including a third disconnected portion and a fourth disconnected portion, and the third disconnected portion and the fourth disconnected portion being disconnected from each other by the opening; and

the second bypass line disposed on the substrate in a different layer from the second disconnected line, the second bypass line connecting the third disconnected portion and the fourth disconnected portion to each other.

7. The display device of claim 6 , wherein the second bypass line includes:

a fourth bypass portion extending along the first direction, the fourth bypass portion being connected to the third disconnected portion;

a fifth bypass portion extending along the first direction, the fifth bypass portion being connected to the fourth disconnected portion; and

a sixth bypass portion extending along the second direction, the sixth bypass portion connecting the fourth bypass portion and the fifth bypass portion to each other.

8. The display device of claim 7 , further comprising:

a connected line disposed on the substrate in a same layer as the second disconnected line, the connected line extending along the second direction and not being disconnected by the opening,

wherein the sixth bypass portion overlaps the connected line.

9. The display device of claim 8 , wherein the connected line transmits a direct current voltage.

10. The display device of claim 6 , wherein the second disconnected line is a data line or a driving voltage line.

11. The display device of claim 6 , wherein the second bypass line is disposed on the substrate in a same layer as the first bypass line.

12. The display device of claim 6 , wherein a length of the second bypass line is greater than a length of the first bypass line.

13. The display device of claim 6 , further comprising:

a first conductive layer, a first insulation layer, a second conductive layer, a second insulation layer and a third conductive layer, which are sequentially stacked one on another on the substrate,

wherein

the first conductive layer includes the first disconnected line, and

the third conductive layer includes the first bypass line.

14. The display device of claim 13 , wherein:

the second conductive layer includes the second disconnected line; and

the third conductive layer further includes the second bypass line.

15. A display device, comprising:

a substrate in which an opening is defined;

a first line disposed on the substrate, the first line extending along a first direction and including a first disconnected line and a first connected line, the first disconnected line being disconnected by the opening, and the first connected line not being disconnected by the opening;

a first bypass line disposed on the substrate in a different layer from the first line, the first bypass line bypassing the opening and connecting the first disconnected line;

a third line disposed on the substrate in a same layer as the first line, the third line extending along the first direction and including a third disconnected line and a third connected line, the third disconnected line being disconnected by the opening, and the third connected line not being disconnected by the opening; and

a third bypass line disposed on the substrate in a different layer from the third line, the third bypass line bypassing the opening and connecting the third disconnected line,

wherein the first bypass line bypasses the opening through a first side of the opening located in a second direction crossing the first direction from the opening, and the third bypass line bypasses the opening through a second side of the opening opposite to the first side of the opening with respect to the opening,

wherein entire portions of the first bypass line and third bypass line extending in the first direction overlap the first connected line and the third connected line, respectively.

16. The display device of claim 15 , wherein

the first disconnected line includes a first disconnected portion and a second disconnected portion which are spaced apart from each other with the opening therebetween, and

the first bypass line includes:

a first bypass portion extending along the second direction crossing the first direction, the first bypass portion being connected to the first disconnected portion;

a second bypass portion extending along the second direction, the second bypass portion being connected to the second disconnected portion; and

a third bypass portion extending along the first direction, the third bypass portion connecting the first bypass portion and the second bypass portion to each other.

17. The display device of claim 16 , wherein the third bypass portion overlaps the first connected line along an entire length of the third bypass portion extending in the first direction.

18. The display device of claim 15 , further comprising:

a second line disposed on the substrate in a different layer from the first line, the second line extending along the second direction crossing the first direction and including a second disconnected line and a second connected line, the second disconnected line being disconnected by the opening, and the second connected line not being disconnected by the opening; and

a second bypass line disposed on the substrate in a different layer from the second line, the second bypass line bypassing the opening and connecting the second disconnected line.

19. The display device of claim 18 , wherein the second disconnected line includes a third disconnected portion and a fourth disconnected portion which are spaced apart from each other with the opening therebetween, and

the second bypass line includes:

a fourth bypass portion extending along the first direction, the fourth bypass portion being connected to the third disconnected portion;

a fifth bypass portion extending along the first direction, the fifth bypass portion being connected to the fourth disconnected portion; and

a sixth bypass portion extending along the second direction, the sixth bypass portion connecting the fourth bypass portion and the fifth bypass portion to each other.

20. The display device of claim 19 , wherein the sixth bypass portion overlaps the second connected line.

21. The display device of claim 18 , further comprising:

a first conductive layer, a first insulation layer, a second conductive layer, a second insulation layer and a third conductive layer which are sequentially stacked one on another on the substrate,

wherein

the first conductive layer includes the first line, and

the third conductive layer includes the first bypass line.

22. The display device of claim 21 , wherein

the second conductive layer includes the second line, and

the third conductive layer further includes the second bypass line.