Display substrate and display device
Provided in the present disclosure are a display substrate and a display device. The display substrate includes a display area and a frame area located on at least one side of the display area, and the display area and the frame area include at least one stretching hole; the stretching hole includes a hole area and a partition area, which surrounds the stretching hole, the partition area being provided with a first partition structure surrounding the hole area; and the first partition structure includes a first partition layer, which surrounds the hole area, and a first inorganic layer, which is arranged on the first partition layer, the first partition layer is provided with a partition slot surrounding the hole area, the first inorganic layer is provided with a partition hole surrounding the hole area, and the partition hole is in communication with the partition slot.
1 . A display substrate, comprising a display region and a bezel region located on at least one side of the display region, wherein
the display region and the bezel region each comprises at least one hole; the hole comprises a hole region and a partition region surrounding the hole region, the partition region is provided with a first partition structure surrounding the hole region; the first partition structure comprises a first partition layer surrounding the hole region and a first cover layer provided on the first partition layer, a partition groove surrounding the hole region is provided on the first partition layer, a partition hole surrounding the hole region is provided on the first cover layer, the partition hole is communicated with the partition groove; the first cover layer located at a periphery of the partition hole comprises a protrusion relative to a side wall of the partition groove, and the protrusion and the side wall of the partition groove form a recessed structure, and
wherein the bezel region comprises a circuit region, a power supply line region and an edge region provided sequentially along a direction away from the display region, the power supply line region comprises the at least one hole; in a direction perpendicular to a base substrate, the power supply line region comprises at least one insulation layer disposed on the base substrate and a power supply line disposed on the at least one insulation layer; the first partition layer in the first partition structure covers an edge of the hole region of the power supply line on a side close to the hole region.
2 . The display substrate of claim 1 , wherein the first cover layer is not in direct contact with the power supply line.
3 . The display substrate of claim 1 , wherein the first cover layer of the first partition structure on a side away from the hole region is lapped on the power supply line.
4 . The display substrate of claim 1 , wherein an orthographic projection of the power supply line on a plane where the display substrate is located and an orthographic projection of the first cover layer on the plane where the display substrate is located are at most partially overlapped.
5 . The display substrate of claim 1 , wherein in a direction parallel to the base substrate, a first edge and/or a second edge of the power supply line are bending lines, the first edge is an edge of the power supply line on a side away from the display region, and the second edge is an edge of the power supply line on a side close to the display region.
6 . The display substrate of claim 5 , wherein orthographic projections of the first edge and/or the second edge on a plane where the display substrate is located are not overlapped with an orthographic projection of the hole on the plane where the display substrate is located.
7 . The display substrate of claim 5 , wherein a second partition structure is provided on a side of the first edge away from the display region, the second partition structure comprises a second partition layer extending along the first edge and a second cover layer disposed on the second partition layer, a second partition groove extending along the first edge is provided on the second partition layer, and a second partition hole extending along the first edge is provided on the second cover layer, and the second partition hole is communicated with the second partition groove; the second cover layer located at a periphery of the second partition hole comprises another protrusion relative to a side wall of the second partition groove, and the other protrusion and the side wall of the second partition groove form a recessed structure.
8 . The display substrate of claim 7 , wherein the second partition layer in the second partition structure covers the first edge of the power supply line.
9 . The display substrate of claim 7 , wherein the second cover layer is not in direct contact with the power supply line.
10 . The display substrate of claim 7 , wherein the second cover layer of the second partition structure on a side close to the display region is lapped on the power supply line.
11 . The display substrate of claim 7 , wherein the power supply line region further comprises a second partition dam extending along the first edge, the second partition dam is disposed on a side of the second partition structure close to the display region, a side of the second partition dam away from the display region is disposed on the second cover layer, and a side of the second partition dam close to the display region covers an edge of the connection electrode on a side close to the first edge.
12 . The display substrate of claim 1 , wherein the power supply line region further comprises a connection electrode and a first partition dam surrounding the hole region, the connection electrode is disposed on the power supply line, the first partition dam is disposed on a side of the first partition structure away from the hole region, and a side of the first partition dam away from the hole region covers an edge of the connection electrode on a side close to the hole region.
13 . The display substrate of claim 1 , wherein the power supply line region further comprises a connection electrode and a second partition dam extending along the first edge, the second partition dam is disposed on a side of the second partition structure close to the display region, and the side of the second partition dam close to the display region covers an edge of the connection electrode on a side close to the first edge.
14 . The display substrate of claim 1 , further comprising a third cover layer disposed on the first cover layer and/or the second cover layer, the third cover layer covers at least the first cover layer and/or the second cover layer, and the partition groove.
15 . The display substrate of claim 14 , wherein an edge of the first cover layer away from the hole region and an edge of the third cover layer away from the hole region are substantially flush; and/or an edge of the second cover layer away from the hole region and the edge of the third cover layer away from the hole region are substantially flush.
16 . The display substrate of claim 1 , wherein the power supply line region further comprises a connection electrode, the connection electrode is provided on the power supply line, a side of the connection electrode close to the hole region covers an edge of the first cover layer being lapped on the power supply line, and a side of the connection electrode close to the first edge covers the edge of the first cover layer being lapped on the power supply line.
17 . The display substrate of claim 16 , wherein the power supply line region further comprises a first partition dam surrounding the hole region, the first partition dam is disposed on a side of the first partition structure away from the hole region, a side of the first partition dam close to the hole region is disposed on the first cover layer, and a side of the first partition dam away from the hole region covers an edge of the connection electrode on a side close to the hole region.
18 . The display substrate of claim 17 , wherein an orthographic projection of the edge of the connection electrode on the side close to the hole region on a plane where the display substrate is located is within a range of an orthographic projection of the first partition dam on the plane where the display substrate is located, and/or, an orthographic projection of an edge of the first cover layer on a side away from the hole region on the plane where the display substrate is located is within the range of the orthographic projection of the first partition dam on the plane where the display substrate is located.
19 . A display device, comprising the display substrate of claim 1 .