Display substrate and display device

Abstract

The invention discloses a display substrate and a display device. The display substrate is provided with a first side used for displaying and a second side opposite to the first side. The display substrate comprises a substrate body, a display area, at least one connecting wire and at least one switching electrode. At least part of each of the at least one connecting wire extends along the first direction, and is connected with the first power lines which are respectively connected with the first pixel unit groups of the adjacent first display areas in the first direction; each switching electrode at least partially extends along the first direction and is connected with the first signal lines which are respectively connected with the first pixel unit groups of the adjacent first display areas in the first direction; wherein the film layer where at least part of the at least one switching electrode is located is different from the film layer where each of the at least one connecting wire is located, and the orthographic projection of the at least one switching electrode on the substrate is at least partially overlapped with the orthographic projection of the at least one connecting wire on the substrate.

Claims

1. A display substrate having a first side for display and a second side opposite to the first side, include: Substrate substrate, A display area, disposed on the base substrate, comprising a first display area and a second display area at least partially surrounding the first display area, wherein the first display area allows light from a first side of the display substrate to be at least partially transmitted to the second side of the display substrate, wherein the first display area comprises a first sub-pixel array, wherein the first sub-pixel array comprises a plurality of first pixel unit groups arranged in a first direction and a second direction intersecting the first direction, wherein the first pixel unit group comprises at least one first pixel unit; a plurality of first signal lines and a plurality of first power lines, each of the plurality of first signal lines at least partially extending along the first direction and configured to provide a first display signal to the plurality of first pixel units, the plurality of first signal lines being connected to the first pixel units of the plurality of first pixel unit groups, the plurality of first power lines at least partially extending along the first direction and configured to provide a first power supply voltage to the plurality of first pixel units, the plurality of first power lines being connected to the first pixel units of the plurality of first pixel unit groups; The second display area includes a second sub-pixel array, the second sub-pixel array includes a plurality of second pixel units, a first signal line connected to a first pixel unit close to the second display area extends to the second display area to be connected to a second pixel unit located in the first direction relative to the first pixel unit, A first power line connected to a first pixel unit close to the second display area extends to the second display area to be connected to a second pixel unit located in the first direction relative to the first pixel unit.

2. The display substrate according to claim 1, further comprising: include: at least one connecting wire, at least a portion of which extends along the first direction and is connected to first power lines respectively connected to adjacent first pixel unit groups in the first direction; as well as At least one switching electrode, at least a portion of the at least one switching electrode extends along the first direction and is connected to first signal lines respectively connected to adjacent first pixel unit groups in the first direction.

3. The display substrate according to claim 2, in, The at least one connecting line comprises a first connecting line, At least a portion of the first connecting line extends along the first direction, and the first connecting line is connected to first power lines respectively connected to first pixel units adjacent to each other in the first direction and belonging to different first pixel unit groups. There is a gap allowing light transmission between the first pixel unit group adjacent to the first direction and the second direction, A portion of the first connecting trace and a portion of each of the at least one transfer electrode extend along the first direction and bypass the gap allowing light transmission.

4. The display substrate according to claim 3, in, The first connecting line is a meandering line and includes a first portion, a second portion and a third portion. The first end of the first part and the first end of the second part are respectively connected to two ends of the third part and extend along a second direction different from the first direction. At least part of the third portion extends along the first direction, The second end of the first portion and the second end of the second portion are respectively connected to first power lines to which adjacent first pixel units in the first direction are respectively connected.

5. The display substrate according to claim 1, in, The first pixel unit group includes at least two first pixel units arranged adjacent to each other along the second direction, a plurality of first signal lines and a plurality of first power lines extending along the first direction, each of the first pixel units is respectively connected to a first signal line and a first power line, and the first power line and the first signal line located in the same first pixel unit are arranged in parallel.

6. The display substrate according to claim 5, further comprising: include: A first insulating layer, a second insulating layer and a third insulating layer, wherein the first insulating layer is located on the base substrate, the second insulating layer is located on a side of the first insulating layer away from the base substrate, and the third insulating layer is located on a side of the second insulating layer away from the base substrate.

7. The display substrate according to claim 6, in, The plurality of first pixel units of the first pixel unit group are arranged in at least one row along the second direction, and in the same row, the first pixel unit group includes at least two first pixel units. Each first pixel unit of the first pixel unit group includes a first pixel driving circuit and a first light emitting device, wherein the first pixel driving circuit is connected to the first light emitting device and drives the first light emitting device to emit light. The first pixel driving circuit includes a storage capacitor, and the storage capacitor includes a first electrode plate and a second electrode plate at least partially overlapping the first electrode plate. The first electrode plate is located on a side of the second insulating layer away from the substrate, and the second electrode plate is located on a side of the first insulating layer away from the substrate. The plurality of first power lines connected to each of the first pixel units are connected to the first electrode plate through via holes penetrating the third insulating layer. The first electrodes of at least two first pixel units of the first pixel unit group located in the same row are connected to each other and formed as one.

8. The display substrate according to claim 1, in, The pixel density of the second display area is greater than the pixel density of the first display area.

9. The display substrate according to claim 1, further comprising a plurality of second signal lines and a plurality of second power lines located in the second display area, in, The plurality of second pixel units are arranged in a plurality of rows parallel to each other in the second direction, The plurality of second signal lines extend along the first direction, and each of the plurality of second signal lines passes through the plurality of second pixel units arranged in a column in the first direction to provide a second display signal to the plurality of second pixel units. The plurality of second power lines extend along the first direction, and each of the plurality of second power lines passes through the plurality of second pixel units arranged in a column in the first direction to provide a second power voltage to the plurality of second pixel units.

10. A display device comprising the display substrate according to any one of claims 1 to 9, and a sensor, in, The sensor is disposed on the second side of the display substrate, and the sensor is configured to receive light from the first side of the display substrate, and an orthographic projection of the sensor on the base substrate at least partially overlaps with the first display area.

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