Display panel and display device
View Patent ↗A display panel and a display device are provided that relate to the field of display technology. The display panel includes a first signal line having a first and a second sub-portions; at least one insulating layer disposed on the first signal line; and a second signal line having a third and a fourth sub-portions disposed on the insulating layer. The second sub-portion and the fourth sub-portion have an overlapping part therebetween, the first sub-portion and the third sub-portion do not overlap each other, the second sub-portion has a varying line width, and at least one edge of the second sub-portion is extended away from a straight line connecting two vertices of the edge so that a distance D between and the straight line and a first point of the edge extending farthest from the straight line is in the range of 0.05 μm to 0.8 μm.
1. A display panel, comprising: a first signal line comprising a first sub-portion and a second sub-portion; at least one insulating layer disposed on the first signal line; a second signal line comprising a third sub-portion and a fourth sub-portion and disposed on the insulating layer, wherein the second sub-portion and the fourth sub-portion have an overlapping part therebetween, the first sub-portion and the third sub-portion do not overlap each other, the second sub-portion has a varying line width, and at least one edge of the second sub-portion is extended away from a straight line connecting two vertices of the edge, so that a distance D between the straight line and a first point of the edge extending farthest from the straight line is in the range of 0.8% to 12% of a width of the second sub-portion.
2. The display panel according to claim 1 , wherein the overlapping part between the second sub-portion and the fourth sub-portion is an overlap area of orthographic projections of the first signal line and the second signal line on the substrate.
3. The display panel according to claim 1 , wherein the second sub-portion is extended in the form of an arc line or a polygonal line.
4. The display panel according to claim 1 , wherein a width of the second sub-portion at the first point of the edge extending farthest from the straight line is greater than or less than an average width of the second sub-portion.
5. The display panel according to claim 1 , wherein a width of the second sub-portion is substantially uniform.
6. The display panel according to claim 1 , wherein a maximum width or a minimum width of the second sub-portion is not equal to a width of the first sub-portion, and a difference Δd1 between the maximum width or minimum width of the second sub-portion and the width of the first sub-portion satisfies: 0 μm<|Δd1|≤3.5 μm.
7. The display panel according to claim 1 , wherein a width of the third sub-portion is not equal to a width of the fourth sub-portion, and a difference Δd2 between the width of the third sub-portion and the width of the fourth sub-portion satisfies: 0 μm<|Δd1|≤1.5 μm.
8. The display panel according to claim 1 , wherein the second signal line comprises a metal layer and at least one metal protection layer, and wherein the metal protection layer is disposed on a side of the metal layer facing the insulating layer.
9. The display panel according to claim 8 , wherein a metal contact angle of the metal protection layer is 43°˜85°.
10. The display panel according to claim 1 , wherein:
the first signal line is a gate line or a common line, and the second signal line is a data line; or
the first signal line is the data line, and the second signal line is the gate line or the common line.
11. A display device comprising a display panel, wherein the display panel comprises: a first signal line comprising a first sub-portion and a second sub-portion; at least one insulating layer disposed on the first signal line; a second signal line comprising a third sub-portion and a fourth sub-portion and disposed on the insulating layer, wherein the second sub-portion and the fourth sub-portion have an overlapping part therebetween, the first sub-portion and the third sub-portion do not overlap each other, the second sub-portion has a varying line width, and at least one edge of the second sub-portion is extended away from a straight line connecting two vertices of the edge, so that a distance D between the straight line and a first point of the edge extending farthest from the straight line is in the range of 0.8% to 12% of a width of the second sub-portion.
12. The display panel according to claim 11 , wherein the overlapping part between the second sub-portion and the fourth sub-portion is an overlap area of orthographic projections of the first signal line and the second signal line on the substrate.
13. The display device according to claim 11 , wherein the second sub-portion is extended in the form of an arc line or a polygonal line.
14. The display device according to claim 11 , wherein a width of the second sub-portion at the first point of the edge extending farthest from the straight line is greater than or less than an average width of the second sub-portion.
15. The display device according to claim 11 , wherein a width of the second sub-portion is substantially uniform.
16. The display device according to claim 11 , wherein a maximum width or a minimum width of the second sub-portion is not equal to a width of the first sub-portion, and a difference Δd1 between the maximum width or minimum width of the second sub-portion and the width of the first sub-portion satisfies: 0 μm<|Δd1|≤3.5 μm.
17. The display device according to claim 11 , wherein a width of the third sub-portion is not equal to a width of the fourth sub-portion, and a difference Δd2 between the width of the third sub-portion and the width of the fourth sub-portion satisfies: 0 μm<|Δd1|≤1.5 μm.
18. The display device according to claim 11 , wherein the second signal line comprises a metal layer and at least one metal protection layer, and wherein the metal protection layer is disposed on a side of the metal layer facing the insulating layer.
19. The display device according to claim 18 , wherein a metal contact angle of the metal protection layer is 43°˜85°.
20. The display device according to claim 11 , wherein:
the first signal line is a gate line or a common line, and the second signal line is a data line; or
the first signal line is the data line, and the second signal line is the gate line or the common line.