Display panels and display devices

Abstract

A display panel is provided. The display area includes a main display area and a sub-display area, the main display area at least partially enclosing the sub-display area. The display panel includes a base, a plurality of light-emitting elements, and a plurality of conductive layers. The plurality of light-emitting elements are located on one side of the base. The plurality of conductive layers are arranged in a stack between the base and the plurality of light-emitting elements. The plurality of light-emitting elements include a plurality of first light-emitting elements, and the plurality of conductive layers include a plurality of connection wiring groups. The first light-emitting elements are located within the sub-display area and are electrically connected to pixel circuits located in a first main display area via the plurality of connection wiring groups. The plurality of conductive layers further include a plurality of compensation wiring groups. The number of pixel circuits through which the connection wiring in the a-th connection wiring group passes along the first direction is less than or equal to the number of pixel circuits through which the compensation wiring in the a-th compensation wiring group passes along the first direction, where a is any positive integer between 1 and n. The display panel provided by embodiments of this disclosure is available for use in a display device.

Claims

1. It is a display panel, The display panel includes a display area, the display area includes a main display area and a sub-display area, the main display area at least partially encloses the sub-display area, the main display area includes a first main display area and a second main display area, the first main display area is located on both sides of the sub-display area along a first direction, the second main display area is located on at least one side of the sub-display area along a second direction, the first direction and the second direction intersect, and the display panel is, Bass and, A plurality of light-emitting elements located on one side of the base, wherein the plurality of light-emitting elements include a plurality of first light-emitting elements, and the plurality of first light-emitting elements include a plurality of light-emitting elements located in the sub-display area, A plurality of conductive layers arranged in a stack between the base and the plurality of light-emitting elements, the plurality of conductive layers including a plurality of pixel circuits, a plurality of connection wiring groups and a plurality of compensation wiring groups, The plurality of pixel circuits are located in the main display area, the plurality of pixel circuits are arranged in multiple columns along the first direction, and the plurality of pixel circuits are arranged in multiple rows along the second direction, and at least one of the multiple columns of pixel circuits includes a first drive pixel circuit located in the first main display area. The plurality of connection wiring groups are spaced apart along the second direction, at least one of the plurality of connection wiring groups includes at least two connection wires, the at least two connection wires are spaced apart along the first direction and extend along the first direction, the first end of each of the at least two connection wires is located in the sub-display area and is electrically connected to the first light-emitting element, the second end of each of the at least two connection wires extends to the first main display area and is electrically connected to the first drive pixel circuit, the number of connection wiring groups is n, and the n connection wiring groups include the first connection wiring group, the second connection wiring group, ... the nth connection wiring group, The plurality of compensation wiring groups are spaced apart along the second direction, and at least one of the plurality of compensation wiring groups includes at least one compensation wiring, the at least one compensation wiring extends along the first direction, and the at least one compensation wiring is configured to be electrically connected to a constant voltage signal, the plurality of compensation wiring groups constitute a compensation unit, the compensation unit includes a first compensation unit, the first compensation unit includes a first compensation wiring group, a second compensation wiring group, ... nth compensation wiring group, The number of pixel circuits through which the connection wiring in the a-th connection wiring group passes along the first direction is less than or equal to the number of pixel circuits through which the compensation wiring in the a-th compensation wiring group passes along the first direction, where n is a positive integer and a is any positive integer between 1 and n. Display panel.

2. The second main display area includes a plurality of first sub-areas, the plurality of first sub-areas are arranged adjacent to each other along the second direction, and the first sub-areas are arranged adjacent to the first main display area along the second direction. The number of compensation wiring groups is greater than the number of connection wiring groups, and at least one of the first compensation units is located in the same first sub-region. The display panel according to claim 1.

3. The first main display area includes a second sub-area and a third sub-area, the second sub-area being located on one side of the secondary display area along the first direction, and the third sub-area being located on the side of the secondary display area away from the second sub-area along the first direction. The at least one connection wiring group includes a first connection wiring and a second connection wiring, the second end of the first connection wiring is located in the second sub-region, and the second end of the second connection wiring is located in the third sub-region. The display panel according to claim 2.

4. The at least one compensation wiring group includes a first compensation wiring and a second compensation wiring, the first compensation wiring and the second compensation wiring are spaced apart along the first direction, The number of pixel circuits through which the first connection wiring in the a-th connection wiring group passes along the first direction is the same as the number of pixel circuits through which the first compensation wiring in the a-th compensation wiring group passes along the first direction, and the number of pixel circuits through which the second connection wiring in the a-th connection wiring group passes along the first direction is the same as the number of pixel circuits through which the second compensation wiring in the a-th compensation wiring group passes along the first direction. The display panel according to claim 3.

5. The position of the first connection wiring in the a-th connection wiring group along the first direction and the position of the first compensation wiring in the a-th compensation wiring group along the first direction coincide at least partially, and / or The position of the second connecting wire in the a-th connecting wire group along the first direction and the position of the second compensating wire in the a-th compensating wire group along the first direction coincide at least partially. The display panel according to claim 4.

6. Multiple first compensation lines located within the same first sub-region are spaced apart along the first direction, and / or multiple second compensation lines located within the same first sub-region are spaced apart along the first direction. The display panel according to claim 4.

7. When multiple first compensation wirings located within the same first sub-region are arranged at intervals along the first direction, the spacing between the first or second ends of the multiple first compensation wirings located within the same first sub-region along the first direction is the same. When multiple second compensation wirings located within the same first sub-region are arranged at intervals along the first direction, the spacing between the first or second ends of multiple second compensation wirings located within the same second sub-region along the first direction is the same. The display panel according to claim 6.

8. At least one of the compensation wiring groups includes one of the compensation wirings, The position of the a-th connection wiring group along the first direction and the position of the a-th compensation wiring group along the first direction coincide at least partially. The display panel according to claim 3.

9. The at least one row of pixel circuits further includes redundant pixel circuits located within the second main display area, the redundant pixel circuits and the first drive pixel circuits are arranged in a row along the second direction, and at least one end of the at least one compensation wiring is electrically connected to the redundant pixel circuit. A display panel according to any one of claims 3 to 8.

10. The pixel circuit includes a second light-emitting control transistor and a second reset transistor, the second pole of the second light-emitting control transistor is electrically connected to the second pole of the second reset transistor, and the connection node between the second pole of the second light-emitting control transistor and the second pole of the second reset transistor is a fourth node, and the second end of the connection wiring is electrically connected to the fourth node of the first drive circuit. At least one end of the at least one compensation wiring is electrically connected to the fourth node of the redundant pixel circuit. The display panel according to claim 9.

11. The redundant pixel circuit and the first drive pixel circuit are arranged in a first row of pixel circuits, the plurality of pixel circuits further include a second drive pixel circuit, the second drive pixel circuit is arranged in a second row of pixel circuits along the second direction, and the first row of pixel circuits and the second row of pixel circuits are arranged alternately along the first direction. The plurality of light-emitting elements further include a second light-emitting element, the second light-emitting element is located in the main display area, and the second light-emitting element is electrically connected to the second drive pixel circuit. The display panel according to claim 9 or 10.

12. The display panel further includes a peripheral region, the peripheral region at least partially enclosing the display region, the display panel further includes a second voltage signal line, the second voltage signal line is located in the peripheral region, At least one end of the at least one compensation wiring extends to the peripheral region and is electrically connected to the second voltage signal line. A display panel according to any one of claims 3 to 8.

13. The second voltage signal line is located at least on both sides of the display area along the first direction, One end of the at least one compensation wire is located on one side of the display area along the first direction and is electrically connected to a second voltage signal line located in the peripheral area, and the other end of the at least one compensation wire is located on the other side of the display area along the first direction and is electrically connected to a second voltage signal line located within the peripheral area. The display panel according to claim 12.

14. The shape of the wiring segment located within the first sub-region of the at least one compensation wiring includes at least one of a straight line and a wavy line. The display panel according to claim 12 or 13.

15. The sub-display area includes a center line that passes through the center of the sub-display area along the second direction, The plurality of first light-emitting elements include a plurality of first first light-emitting elements and a plurality of second first light-emitting elements, and the plurality of first first light-emitting elements and the plurality of second first light-emitting elements are located on both sides of the center line of the sub-display area along the first direction. The plurality of first connection wires are electrically connected in a one-to-one correspondence with the plurality of first first light-emitting elements, and the plurality of second connection wires are electrically connected in a one-to-one correspondence with the plurality of second first light-emitting elements. A display panel according to any one of claims 3 to 14.

16. The first connection wiring includes a first first connection wiring and a second first connection wiring, wherein the distance between the first end of the first first connection wiring and the edge of the sub-display area is greater than the distance between the first end of the second first connection wiring and the edge of the sub-display area, and the distance between the second end of the first first connection wiring and the edge of the sub-display area is greater than the distance between the second end of the second first connection wiring and the edge of the sub-display area. The second connection wiring includes a first second connection wiring and a second second connection wiring, wherein the distance between the first end of the first second connection wiring and the edge of the sub-display area is greater than the distance between the first end of the second second connection wiring and the edge of the sub-display area, and the distance between the second end of the first second connection wiring and the edge of the sub-display area is greater than the distance between the second end of the second second connection wiring and the edge of the sub-display area. A display panel according to any one of claims 3 to 15.

17. The compensation unit further includes a second compensation unit, the second compensation unit includes m compensation wiring groups, where m is a positive integer and m is less than n, and along the second direction, the second compensation unit is positioned adjacent to the edge of the display panel. A display panel according to any one of claims 1 to 16.

18. The second main display area is located on both sides of the sub-display area along the second direction. A display panel according to any one of claims 1 to 17.

19. The plurality of connection wiring groups and the plurality of compensation wiring groups are located in the same conductive layer. A display panel according to any one of claims 1 to 18.

20. It is a display panel, The display panel includes a display area, the display area includes a main display area and a sub-display area, the main display area at least partially encloses the sub-display area, the main display area includes a first main display area and a second main display area, the first main display area is located on both sides of the sub-display area along a first direction, the second main display area is located on at least one side of the sub-display area along a second direction, the first direction and the second direction intersect, and the display panel is, Bass and, A plurality of light-emitting elements located on one side of the base, wherein the plurality of first light-emitting elements include a plurality of first light-emitting elements, and the plurality of first light-emitting elements include a plurality of light-emitting elements located in the sub-display area, A plurality of conductive layers arranged in a stack between the base and the plurality of light-emitting elements, the plurality of conductive layers including a plurality of pixel circuits, a plurality of connection wiring groups and a plurality of compensation wiring groups, The plurality of pixel circuits are located in the main display area, the plurality of pixel circuits are arranged in multiple columns along the first direction, and the plurality of pixel circuits are arranged in multiple rows along the second direction, and at least one of the multiple columns of pixel circuits includes a first drive pixel circuit located in the first main display area. The plurality of connection wiring groups are spaced apart along the second direction, at least one of the plurality of connection wiring groups includes at least two connection wires, the at least two connection wires are spaced apart along the first direction and extend along the first direction, the first end of each of the at least two connection wires is located in the sub-display area and is electrically connected to the first light-emitting element, the second end of each of the at least two connection wires extends to the first main display area and is electrically connected to the first drive pixel circuit, the number of connection wiring groups is n, and the n connection wiring groups include the first connection wiring group, the second connection wiring group, ... the nth connection wiring group, The plurality of compensation wiring groups are spaced apart along the second direction, and at least one of the plurality of compensation wiring groups includes at least one compensation wiring, the at least one compensation wiring extends along the first direction, and the at least one compensation wiring is configured to be electrically connected to a constant voltage signal, the plurality of compensation wiring groups constitute a compensation unit, the compensation unit includes a first compensation unit, the first compensation unit includes a first compensation wiring group, a second compensation wiring group, ... nth compensation wiring group, The overlap area between the connection wiring in the a-th connection wiring group and the pixel circuit through which the connection wiring passes along the first direction is less than or equal to the overlap area between the compensation wiring in the a-th compensation wiring group and the pixel circuit through which the compensation wiring passes along the first direction, where n is a positive integer and a is any positive integer between 1 and n. Display panel.

21. The first main display area includes a second sub-area and a third sub-area, the second sub-area being located on one side of the secondary display area along the first direction, and the third sub-area being located on the side of the secondary display area away from the second sub-area along the first direction. The at least one connection wiring group includes a first connection wiring and a second connection wiring, the second end of the first connection wiring is located in the second sub-region, and the second end of the second connection wiring is located in the third sub-region. The display panel according to claim 20.

22. At least one compensation wiring group includes a first compensation wiring and a second compensation wiring, the first compensation wiring and the second compensation wiring are spaced apart along the first direction, The overlap area between the pixel circuit through which the first connection wiring in the a-th connection wiring group passes along the first direction and the first connection wiring in the a-th connection wiring group is the same as the overlap area between the pixel circuit through which the first compensation wiring in the a-th compensation wiring group passes along the first direction and the first compensation wiring in the a-th compensation wiring group, and the overlap area between the pixel circuit through which the second connection wiring in the a-th connection wiring group passes along the first direction and the second connection wiring in the a-th connection wiring group is the same as the overlap area between the pixel circuit through which the second compensation wiring in the a-th compensation wiring group passes along the first direction and the second compensation wiring in the a-th compensation wiring group. The display panel according to claim 21.

23. Includes a display panel according to any one of claims 1 to 22, Display device.

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