Display panel and display apparatus

1 . A display panel, comprising:

a display region defining a through hole;

a first signal line;

a first connection line, wherein the first signal line extends in the display region and is interrupted by the through hole into a first segment and a second segment located on two sides of the through hole along an extending direction of the first signal line, respectively; wherein the first connection line is located in the display region, and comprises a first end connected to the first segment of the first signal line, and a second end connected to the second segment of the first signal line; and wherein the first connection line comprises a first connection segment and a second connection segment that defining different extending directions, and at least one of the first connection segment or the second connection segment is located in a layer different from the first signal line;

a through-hole non-display region, wherein the through-hole non-display region surrounds the through hole, and the display region surrounds the through-hole non-display region;

a second signal line located in the display region and extending in the display region, wherein the second signal line is interrupted by the through-hole non-display region; and

a second connection line located in the through-hole non-display region, wherein a first end of the second connection line is connected to a first segment of the second signal line located on one side of the through-hole non-display region, and a second end of the second connection line is connected to a second segment of the second signal line located on an opposite side of the through-hole non-display region.

2 . The display panel according to claim 1 , wherein the through hole comprises a first side and a second side along a first direction intersecting the extending direction of the first signal line, the first connection line comprises a first connection line located on the first side of the through hole and a first connection line located on the second side of the through hole, and a number of the first connection line located on the first side of the through hole is equal to a number of the first connection line located on the second side of the through hole.

3 . The display panel according to claim 1 , wherein the through hole comprises a first side and a second side along a first direction intersecting the extending direction of the first signal line, the first connection line comprises a first connection line located on the first side of the through hole and a first connection line located on the second side of the through hole, and a number of the first connection line located on the first side of the through hole is different from a number of the first connection line located on the second side of the through hole.

4 . The display panel according to claim 3 , further comprising a first non-display region and a second non-display region,

wherein the first non-display region and the second non-display region are respectively located on two sides of the display region along the first direction;

wherein a distance between the through hole and the first non-display region along the first direction is smaller than a distance between the through hole and the second non-display region along the first direction; and

wherein the first connection line all detours between the second non-display region and the through hole.

5 . The display panel according to claim 1 , further comprising: a first non-display region and a second non-display region;

wherein the first non-display region and the second non-display region are respectively located on a first side and a second side of the display region along the first direction;

wherein a distance between the through hole and the first non-display region along the first direction is smaller than a distance between the through hole and the second non-display region along the first direction; and

wherein the first connection line comprises a first connection line detouring between the first non-display region and the through hole and a first connection line detouring between the second non-display region and the through hole, and a number n1 of the first connection line detouring between the first non-display region and the through hole is less than a number n2 of the first connection line detouring between the second non-display region and the through hole.

6 . The display panel according to claim 1 , wherein an extending direction of the second signal line is the same as the extending direction of the first signal line.

7 . The display panel according to claim 6 , wherein the through hole defines a first symmetry axis, and the first symmetry axis is parallel to the extending direction of the first signal line; and wherein the second connection line comprises a second connection line located on a first side of the first symmetry axis and a second connection line located on a second side of the first symmetry axis, and a number of the second connection line located on the first side of the first symmetry axis is equal to a number of the second connection line located on the second side of the first symmetry axis.

8 . The display panel according to claim 6 , further comprising a first non-display region and a second non-display region, wherein the first non-display region and the second non-display region are respectively located on two sides of the display region along the first direction, and the first direction and the extending direction of the first signal line intersect each other;

wherein a distance between the through hole and the first non-display region along the first direction is smaller than a distance between the through hole and the second non-display region along the first direction;

wherein the through hole defines a first symmetry axis, and the first symmetry axis is parallel to the extending direction of the first signal line; and

wherein the second connection line comprises: a second connection line located on a side of the first symmetry axis adjacent to the first non-display region and a second connection line located on a side of the first symmetry axis adjacent to the second non-display region, and a number n3 of the second connection line located on the side of the first symmetry axis adjacent to the first non-display region is greater than or equal to a number n4 of the second connection line located on the side of the first symmetry axis adjacent to the second non-display region.

9 . The display panel according to claim 6 , wherein the through hole defines a first symmetry axis, and the first symmetry axis is parallel to the extending direction of the first signal line; and

wherein, on a side of the first symmetry axis, a distance between the first signal line and the first symmetry axis along a first direction is greater than a distance between the second signal line and the first symmetry axis along the first direction, and the first direction and the extending direction of the first signal line intersect each other.

10 . The display panel according to claim 1 , wherein one of the first connection segment and the second connection segment is located in a same layer as the first signal line.

11 . The display panel according to claim 10 , further comprising: a substrate, a first metal layer, a second metal layer, a third metal layer, a fourth metal layer, and a fifth metal layer, wherein the first metal layer, the second metal layer, the third metal layer, the fourth metal layer, and the fifth metal layer are located on a side of the substrate and are arranged away from the substrate in sequence,

wherein the first signal line comprises a data line, the first signal line and the first connection segment are located in a same layer; and

wherein one of the first connection segment and the second connection segment is located in the fourth metal layer, the other of the first connection segment and the second connection segment is located in the fifth metal layer.

12 . The display panel according to claim 11 , further comprising a first non-display region and a second non-display region, wherein the first non-display region and the second non-display region are respectively located on two sides of the display region along a first direction, and the first direction and an extending direction of the first signal line intersect each other;

along the first direction, a distance between the through hole and the first non-display region is smaller than a distance between the through hole and the second non-display region; and

the first connection line comprises a first connection line detouring between the first non-display region and the through hole and a first connection line detouring between the second non-display region and the through hole, and a number n1 of the first connection line detouring between the first non-display region and the through hole is less than a number n2 of the first B connection line detouring between the second non-display region and the through hole.

13 . The display panel according to claim 1 , wherein the first connection segment and the second connection segment are located in a same layer that is different from a layer of the first signal line.

14 . The display panel according to claim 1 , wherein the first connection segment extends along a second direction, the second connection segment extends along a third direction, and the second direction and the third direction intersect each other;

wherein the display panel further comprises a data line extending along the second direction and a gate line extending along the third direction;

wherein the first signal line comprises a first type-C signal line and a first type-D signal line, the first type-C signal line is the data line, the first type-D signal line is the gate line; and the first connection line comprises a first type-C connection line and a first type-D connection line; wherein the first type-C connection line connects the first segment and the third segment of the first type-C signal line that are located on two sides of the through hole along the second direction respectively, and the first type-D connection line connects the first segment and the third segment of the first type-D signal line that are located on a first side and a second side of the through hole along the third direction respectively; and

wherein the first connection segment in the first type-C connection line and the first connection segment in the first type-D connection line are located in a same layer, and the second connection segment in the first type-C connection line and the second connection segment in the first type-D connection line are located in a same layer.

15 . The display panel according to claim 1 , wherein the first connection segment extends along a second direction, the second connection segment extends along a third direction, and the second direction and the third direction intersect each other;

wherein the display panel further comprises a data line extending along the second direction and a gate line extending along the third direction;

wherein the first signal line comprises a first type-C signal line and a first type-D signal line, the first type-C signal line is the data line, the first type-D signal line is the gate line, the first connection line comprises a first type-C connection line and a first type-D connection line, the first type-C connection line connects the first segment and the second segment of the first type-C signal line that are located on two sides of the through hole along the second direction respectively, and the first type-D connection line connects the first segment and the second segment of the first type-D signal line that are located on two sides of the through hole along the third direction respectively;

wherein, on one of the two sides of the through hole along the second direction, the second connection segment in the first type-C connection line is alternately arranged with the second connection segment in the first type-D connection line; and

wherein, on one of the two sides of the through hole along the third direction, a distance between the first connection segment in the first type-C connection line and the through hole along the third direction is a first distance, a distance between the first connection segment in the first type-D connection line and the through hole along the third direction is a second distance, and the first distance is smaller than the second distance.

16 . The display panel according to claim 1 , wherein the first connection segment extends along a second direction, the second connection segment extends along a third direction, and the second direction and the third direction intersect each other;

wherein the display panel further comprises a data line extending along the second direction and a gate line extending along the third direction;

wherein the first signal line comprises a first type-C signal line and a first type-D signal line, the first type-C signal line is the data line, the first type-D signal line is the gate line, the first connection line comprises a first type-C connection line and a first type-D connection line, the first type-C connection line connects the first segment and the second segment of the first type-C signal line that are respectively located on two sides of the through hole along the second direction, and the first type-D connection line connects the first segment and the second segment of the first type-D signal line that are respectively located on two sides of the through hole along the third direction;

wherein, on one of the two sides of the through hole along the third direction, a distance between the first connection segment in the first type-C connection line and the through hole along the third direction is a first distance, a distance between the first connection segment in the first type-D connection line and the through hole along the third direction is a second distance, and the first distance is smaller than the second distance; and

wherein, on one of the two sides of the through hole along the second direction, a distance between the second connection segment in the first type-C connection line and the through hole is a third distance along the second direction, a distance between the second connection segment in the first type-D connection line and the through hole is a fourth distance along the second direction, and the third distance is smaller than the fourth distance.

17 . The display panel according to claim 1 , further comprising a dummy line located in the display region, wherein the dummy line comprises at least one of: a first dummy line or a second dummy line, and wherein the first dummy line and the first connection segment extend along a same direction, and the second dummy line and the second connection segment extend along a same direction.

18 . The display panel according to claim 17 , wherein the dummy signal line transmits a fixed-potential signal.

19 . The display panel according to claim 18 , wherein the first dummy line and the first connection segment are located in a same layer, and the second dummy line and the second connection segment are located in a same layer.

20 . A display apparatus, comprising a display panel, wherein the display panel comprises:

a display region defining a through hole;

a first signal line;

a first connection line, wherein the first signal line extends in the display region and is interrupted by the through hole into a first segment and a second segment that are located on two sides of the through hole, respectively; wherein the first connection line is located in the display region, and comprises a first end connected to the first segment of the first signal line, and a second end connected to the second segment of the first signal line; and wherein the first connection line has a first connection segment and a second connection segment that comprise different extending directions, and at least one of the first connection segment or the second connection segment is located in a different layer from the first signal line;

a through-hole non-display region, wherein the through-hole non-display region surrounds the through hole, and the display region surrounds the through-hole non-display region;

a second signal line located in the display region and extending in the display region, wherein the second signal line is interrupted by the through-hole non-display region; and

a second connection line located in the through-hole non-display region, wherein a first end of the second connection line is connected to a first segment of the second signal line located on one side of the through-hole non-display region, and a second end of the second connection line is connected to a second segment of the second signal line located on an opposite side of the through-hole non-display region.