Array substrates and display devices

Abstract

To provide a display device capable of achieving narrow frame design.SOLUTION: An array substrate 100 includes a base substrate 110, a planarization layer 160, a sealing layer 120, a first stop wall 130, and a plurality of first channel lines 140. The first stop wall 130 is located in a peripheral region 114 and includes a first stop wall portion 132 extending along a first direction. The plurality of first channel lines 140 is located in the peripheral region 114 and located at the side of the sealing layer 120 away from the base substrate 110. The sealing layer 120 includes an organic sealing layer 124. The planarization layer 160 incudes a first edge portion 162 extending along the first direction. The first edge portion 162 is located between the first stop wall portion 132 and a display region 112. An orthographic projection of the first edge portion 162 on the base substrate 110 is covered by an orthographic projection of the organic sealing layer 124 on the base substrate 110, and an orthographic projection of at least one of the plurality of first channel lines 140 on the base substrate 110 is located at the side of the first edge portion 162 away from the display region 112.SELECTED DRAWING: Figure 4

Claims

1. Array substrate, A base substrate including a display area and a peripheral area located around the display area, A flat layer located on the base substrate, A sealing layer located on the side of the flat layer away from the base substrate, A first stop wall including a first stop wall portion located in the peripheral region and extending along the first direction, A plurality of first channel lines located in the peripheral region and on the side away from the base substrate of the sealing layer, wherein each of the plurality of first channel lines extends along the first direction, and the plurality of first channel lines are arranged along the second direction, and the second direction is substantially perpendicular to the first direction, A plurality of touch drive electrodes located in the display area and on the side of the sealing layer away from the base substrate, A plurality of touch sensing electrodes located in the display area and on the side of the sealing layer away from the base substrate, Includes, The sealing layer includes an organic sealing layer, the flat layer includes a first edge extending along the first direction, the first edge is located between the first stop wall and the display area, the orthographic projection of the first edge on the base substrate is covered by the orthographic projection of the organic sealing layer on the base substrate, and the orthographic projection of at least one of the plurality of first channel lines on the base substrate is located on the side of the orthographic projection of the first edge on the base substrate away from the display area. The organic sealing layer includes a second edge extending along the first direction, the second edge being located between the first edge and the first stop wall, and the orthographic projection of at least one of the plurality of first channel lines on the base substrate is located within the orthographic projection of the second edge on the base substrate. The plurality of first channel lines include a plurality of first flat channel lines located on the side of the first edge away from the base substrate and a plurality of first inclined channel lines located on the side of the second edge away from the base substrate. The distance between two adjacent first inclined channel lines in the inclination is greater than the distance between two adjacent first flat channel lines. An array substrate in which the first channel line and the drive electrode or sensing electrode are provided in the same layer.

2. The array substrate according to claim 1, wherein the spacing between two adjacent first inclined channel lines is 1.05 to 2 times the spacing between two adjacent first flat channel lines.

3. The array substrate according to claim 1, wherein the spacing between two adjacent first inclined channel lines among the plurality of first inclined channel lines is 1.05 to 2 times the width of the first inclined channel line.

4. A pixel driving layer located on the base substrate, The flat layer further includes an organic light-emitting element located on the side away from the pixel driving layer, The array substrate according to claim 1, wherein the flat layer is located on the side of the pixel driving layer away from the base substrate, and the sealing layer is located on the side of the organic light-emitting element away from the base substrate.

5. The array substrate according to claim 1, wherein the first channel line furthest from the display area among the plurality of first channel lines is part of the ground line, and the orthographic projection of the first channel line furthest from the display area among the plurality of first channel lines on the base substrate is located between the orthographic projection of the organic encapsulation layer on the base substrate and the orthographic projection of the first stop wall portion on the base substrate.

6. A touch drive signal line connected to each of the touch drive electrodes and extending into the peripheral region, The system further includes touch sensing signal lines connected to each of the touch sensing electrodes and extending into the peripheral region, The array substrate according to claim 1, wherein at least some of the plurality of first channel lines are part of the touch drive signal line or the touch sensing signal line.

7. The first stop wall includes a second stop wall portion extending along the second direction, and the array substrate is Further including a plurality of second channel lines extending along the second direction, The array substrate according to claim 1, wherein the flat layer includes a third edge portion extending along the second direction, the third edge portion is located between the second stop wall portion and the display area, the orthographic projection of the third edge portion on the base substrate is covered by the orthographic projection of the organic encapsulation layer on the base substrate, and the orthographic projection of at least one of the plurality of second channel lines on the base substrate is located on the side of the third edge portion away from the display area.

8. A touch drive signal line connected to each of the touch drive electrodes and extending into the peripheral region, The system further includes touch sensing signal lines connected to each of the touch sensing electrodes and extending into the peripheral region, Each of the plurality of touch sensing electrodes extends along the first direction, the plurality of touch sensing electrodes are arranged along the second direction, and at least some of the plurality of first channel lines are part of the touch sensing signal lines. The array substrate according to claim 7, wherein each of the plurality of touch driving electrodes extends along the second direction, the plurality of touch driving electrodes are arranged along the first direction, and at least some of the plurality of second channel lines are part of the touch driving signal lines.

9. The array substrate according to claim 8, wherein the organic sealing layer includes a fourth edge portion extending along the second direction, the fourth edge portion being located between the third edge portion and the second stop wall portion, and the orthogonal projection of at least one of the plurality of second channel lines on the base substrate is located within the orthogonal projection of the fourth edge portion on the base substrate.

10. The plurality of second channel lines include a plurality of second flat channel lines located on the side of the third edge away from the base substrate and a plurality of second inclined channel lines located on the side of the fourth edge away from the base substrate. The array substrate according to claim 9, wherein the spacing between two adjacent second inclined channel lines is greater than the spacing between two adjacent second flat channel lines.

11. The array substrate according to claim 10, wherein the spacing between two adjacent second inclined channel lines is 1.05 to 2 times the spacing between two adjacent second flat channel lines.

12. The array substrate according to claim 10, wherein the spacing between two adjacent second inclined channel lines among the plurality of second inclined channel lines is 1.05 to 2 times or more the width of the first inclined channel line.

13. It further includes a second stop wall installed on the base substrate and located in the peripheral region, The second stop wall is located between the first stop wall and the display area, and the second stop wall includes a third stop wall portion extending along the first direction. The array substrate according to claim 1, wherein the orthographic projection of at least one of the plurality of first channel lines on the base substrate is located within the orthographic projection of the third stop wall portion on the base substrate.

14. The array substrate according to claim 4, wherein the organic light-emitting element comprises anodes, a light-emitting layer, and a cathode, which are sequentially stacked along a direction away from the base substrate.

15. A display device comprising the array substrate described in claim 1.

16. A base substrate including a display area and a peripheral area located around the display area, A pixel driving layer located on the base substrate, The organic light-emitting element located in the pixel driving layer, A sealing layer comprising a first inorganic sealing layer and an organic sealing layer, which are sequentially installed on the organic light-emitting element, An array substrate comprising a plurality of first channel lines located in the peripheral region and on the side away from the base substrate of the sealing layer, wherein each of the plurality of first channel lines extends along a first direction, the plurality of first channel lines are arranged along a second direction, and the second direction is substantially perpendicular to the first direction, In the peripheral region, the first inorganic sealing layer includes a first inorganic sealing portion, an inorganic sealing connection portion, and a second inorganic sealing portion, which are continuously installed in the direction from the display region to the peripheral region, and the inorganic sealing connection portion is configured to connect the first inorganic sealing portion and the second inorganic sealing portion. In the peripheral region, in the direction from the display region to the peripheral region, the organic sealing layer includes a first organic sealing portion and a second organic sealing portion that are continuously installed, the orthographic projection of the first organic sealing portion on the base substrate overlaps with the orthographic projection of the first inorganic sealing portion and the inorganic sealing connection portion on the base substrate, and the orthographic projection of the second organic sealing portion on the base substrate overlaps with the orthographic projection of the second inorganic sealing portion on the base substrate. In a direction perpendicular to the base substrate, the distance d1 between the first inorganic encapsulation portion and the base substrate is greater than the distance d2 between the second inorganic encapsulation portion and the base substrate, and the orthographic projection of at least one of the plurality of first channel lines on the base substrate lies within the orthographic projection of the second inorganic encapsulation portion on the base substrate. The plurality of first channel lines include a plurality of first flat channel lines located on the side of the first organic encapsulation portion away from the base substrate, and a plurality of first inclined channel lines located on the side of the second organic encapsulation portion away from the base substrate. An array substrate in which the distance between two adjacent first inclined channel lines in a slope is greater than the distance between two adjacent first flat channel lines.

17. The array substrate according to claim 16, wherein the edge of the second organic encapsulation portion that separates from the display area is the edge of the organic encapsulation layer.

18. A first stop wall including a first stop wall portion located in the peripheral region and extending along the first direction, The pixel driving layer further includes a flat layer located on the side away from the base substrate, The flat layer includes a first edge extending along the first direction, the first edge being located between the first stop wall and the display area, and the orthographic projection of the first inorganic sealing portion and the inorganic sealing connection portion on the base substrate overlaps with the orthographic projection of the first edge portion on the base substrate. The array substrate according to claim 16, wherein the difference between the distance d1 between the first inorganic sealing portion and the base substrate and the distance d2 between the second inorganic sealing portion and the base substrate is greater than or equal to the maximum thickness of the portion in which the flat layer overlaps with the inorganic sealing connection portion in a direction perpendicular to the base substrate.

19. The aforementioned flat layer is A first sub-flat layer located on the side of the pixel driving layer away from the base substrate, The first sub-flat layer includes a second sub-flat layer located on the side of the first sub-flat layer away from the pixel driving layer, The array substrate according to claim 18, wherein the difference between the distance d1 between the first inorganic sealing portion and the base substrate and the distance d2 between the second inorganic sealing portion and the base substrate is greater than or equal to the sum of the maximum thickness of the portion of the first sub-flat layer that overlaps with the inorganic sealing connection portion in a direction perpendicular to the base substrate and the maximum thickness of the portion of the second sub-flat layer that overlaps with the inorganic sealing connection portion in a direction perpendicular to the base substrate.

20. The array substrate according to claim 16, wherein the spacing between two adjacent first inclined channel lines is 1.05 to 2 times the spacing between two adjacent first flat channel lines.

21. A display device comprising an array substrate as described in claim 16.

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