Display panel and display device

1. A display panel, comprising:

a display region;

a substrate;

a display function layer, wherein the display function layer is positioned in the display region on a first side of the substrate, wherein the display function layer comprises a plurality of pixels arranged in an array along a first direction and a second direction, each of the plurality of pixels comprises a plurality of sub-pixels, the plurality of sub-pixels comprise at least a first sub-pixel emitting a first color and a second sub-pixel emitting a second color, and a first luminous intensity of the first sub-pixel is greater than a second luminous intensity of the second sub-pixel at a same driving current; and

a light blocking structure, wherein the light blocking structure is positioned on a first side, facing away from the substrate, of the display function layer and comprises a grid-shaped grid line, wherein along a direction vertical to the substrate, each of the plurality of sub-pixels is positioned in a grid surrounded by the grid line, and at least part of the grid line blocks light;

wherein a first shortest distance between a first orthographic projection of the first sub-pixel onto the substrate and a third orthographic projection of the grid line onto the substrate is D 1H along a row direction of the array, and a second shortest distance between a second orthographic projection of the second sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D 2H along the row direction of the array; and

wherein a third shortest distance between the first orthographic projection of the first sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D 1V along a column direction of the array, and a fourth shortest distance between the second orthographic projection of the second sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D 2V along the column direction of the array, wherein one or more of D 1H <D 2H or D 1V <D 2V .

2. The display panel of claim 1 , wherein the plurality of sub-pixels further comprise a third sub-pixel emitting a third color, and the second luminous intensity of the second sub-pixel is greater than a third luminous intensity of the third sub-pixel at the same driving current;

wherein a fifth shortest distance between a fourth orthographic projection of the third sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D 3H along the row direction of the array; and

wherein a sixth shortest distance between the fourth orthographic projection of the third sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D 3V along the column direction of the array, wherein one or more of D 2H <D 3H or D 2V <D 3V .

3. The display panel of claim 1 , wherein the plurality of sub-pixels further comprise a third sub-pixel emitting a third color, and the second luminous intensity of the second sub-pixel is greater than a third luminous intensity of the third sub-pixel at the same driving current;

wherein, in the each of the plurality of pixels,

the first sub-pixel, the second sub-pixel and the third sub-pixel are arranged in a delta shape,

the first sub-pixel is arranged in a same column as the second sub-pixel along the column direction of the array, and

the third sub-pixel is positioned in a different column than the first sub-pixel; and

the plurality of pixels are arranged cyclically along the row direction of the array and the column direction of the array;

wherein a first line width of the grid line between the second sub-pixel and the first sub-pixel adjacent to each other is M 21 ;

wherein a second line width of the grid line between the first sub-pixel and the third sub-pixel adjacent to each other is M 13 ;

wherein a third line width of the grid line between the second sub-pixel and the third sub-pixel adjacent to each other is M 23 ;

wherein a fourth line width of the grid line between two adjacent third sub-pixels is M 33 ; and

wherein M 21 >M 13 >M 23 >M 33 .

4. The display panel of claim 1 , wherein the plurality of sub-pixels further comprise a third sub-pixel emitting a third color, and the second luminous intensity of the second sub-pixel is greater than a third luminous intensity of the third sub-pixel at the same driving current;

wherein, in the each of the plurality of pixels,

the first sub-pixel, the second sub-pixel and the third sub-pixel are arranged in a delta shape,

the first sub-pixel is arranged in a same column as the second sub-pixel along the column direction of the array, and

the third sub-pixel is positioned in a different column than the first sub-pixel; and

the plurality of pixels are arranged cyclically along the row direction of the array, and two adjacent rows of the plurality of pixels are misaligned by a width of one of the plurality of sub-pixels;

wherein a first line width of the grid line between the second sub-pixel and the first sub-pixel adjacent to each other is M 21 ;

wherein a second line width of the grid line between the first sub-pixel and the third sub-pixel adjacent to each other is M 13 ;

wherein a third line width of the grid line between the second sub-pixel and the third sub-pixel adjacent to each other is M 23 ; and

wherein M 21 >M 13 >M 23 .

5. The display panel of claim 1 , wherein the plurality of sub-pixels further comprises a third sub-pixel emitting a third color, and the second luminous intensity of the second sub-pixel is greater than a third luminous intensity of the third sub-pixel at the same driving current;

wherein, in the each of the plurality of pixels, the first sub-pixel, the second sub-pixel and the third sub-pixel are arranged in sequence along the row direction of the array; and

the plurality of pixels are arranged cyclically along the row direction of the array and the column direction of the array;

wherein a first line width of the grid line between the second sub-pixel and the first sub-pixel adjacent to each other is M 21 ;

wherein a second line width of the grid line between the first sub-pixel and the third sub-pixel adjacent to each other is M 13 ;

wherein a third line width of the grid line between the second sub-pixel and the third sub-pixel adjacent to each other is M 23 ;

wherein a fourth line width of the grid line between two adjacent first sub-pixels is M 11 ;

wherein a fifth line width of the grid line between two adjacent second sub-pixels is M 22 ;

wherein a sixth line width of the grid line between two adjacent third sub-pixels is M 33 ; and

wherein M 21 >M 13 >M 23 >M 33 and M 11 >M 22 >M 33 .

6. The display panel of claim 1 , wherein the light blocking structure comprises a touch electrode, which comprises a grid-shaped touch electrode line, and the grid-shaped touch electrode line comprises a metal material.

7. The display panel of claim 6 , wherein the touch electrode line comprises a first touch electrode line made of the metal material and a second touch electrode line made of the metal material; and

wherein the first touch electrode line is positioned at a corner of the grid, and a first touch electrode line width of the first touch electrode line is greater than a second touch electrode line width of the second touch electrode line.

8. The display panel of claim 6 , wherein the touch electrode line comprises a first touch electrode line made of the metal material and a second touch electrode line made of a transparent conductive material, wherein

in the touch electrode line extending along the column direction of the array, a first length of the second touch electrode line closest to and surrounding the first sub-pixel is less than a second length of the second touch electrode line closest to and surrounding the second sub-pixel; and/or

in the touch electrode line extending along the row direction of the array, a third length of the second touch electrode line closest to and surrounding the first sub-pixel is less than a fourth length of the second touch electrode line closest to and surrounding the second sub-pixel.

9. The display panel of claim 8 , wherein at least part of the first touch electrode line is positioned at a corner of the grid, and a second touch electrode line width of the second touch electrode line is greater than a first touch electrode line width of the first touch electrode line.

10. The display panel of any one of claim 2 , wherein the first sub-pixel is a green sub-pixel, the second sub-pixel is a red sub-pixel, and the third sub-pixel is a blue sub-pixel.

11. The display panel of any one of claim 3 , wherein the first sub-pixel is a green sub-pixel, the second sub-pixel is a red sub-pixel, and the third sub-pixel is a blue sub-pixel.

12. The display panel of any one of claim 4 , wherein the first sub-pixel is a green sub-pixel, the second sub-pixel is a red sub-pixel, and the third sub-pixel is a blue sub-pixel.

13. The display panel of any one of claim 5 , wherein the first sub-pixel is a green sub-pixel, the second sub-pixel is a red sub-pixel, and the third sub-pixel is a blue sub-pixel.

14. The display panel of any one of claim 2 , wherein the second sub-pixel is a green sub-pixel, the first sub-pixel is one of a red sub-pixel and a blue sub-pixel, and the third sub-pixel is another one of the red sub-pixel and the blue sub-pixel.

15. The display panel of any one of claim 3 , wherein the second sub-pixel is a green sub-pixel, the first sub-pixel is one of a red sub-pixel and a blue sub-pixel, and the third sub-pixel is another one of the red sub-pixel and the blue sub-pixel.

16. The display panel of any one of claim 4 , wherein the second sub-pixel is a green sub-pixel, the first sub-pixel is one of a red sub-pixel and a blue sub-pixel, and the third sub-pixel is another one of the red sub-pixel and the blue sub-pixel.

17. The display panel of any one of claim 5 , wherein the second sub-pixel is a green sub-pixel, the first sub-pixel is one of a red sub-pixel and a blue sub-pixel, and the third sub-pixel is another one of the red sub-pixel and the blue sub-pixel.

18. The display panel of claim 1 , wherein the each of the plurality of sub-pixels comprises a first edge and a second edge, and a first edge length of the first edge is greater than a second edge length of the second edge;

wherein a first edge shortest distance between a first edge orthographic projection of the first edge onto the substrate and a grid line orthographic projection of the grid line closest to the first edge onto the substrate is D 11 , and a second edge shortest distance between a second edge orthographic projection of the second edge onto the substrate and the grid line orthographic projection of the grid line closest to the second edge onto the substrate is D 21 ; and

wherein D 11 >D 21 .

19. The display panel of claim 1 , wherein the light blocking structure comprises a grid-shaped black matrix.

20. A display device, comprising a display panel, wherein the display panel comprises:

a display region;

a substrate;

a display function layer, wherein the display function layer is positioned in the display region on a first side of the substrate, wherein the display function layer comprises a plurality of pixels arranged in an array along a first direction and a second direction, each of the plurality of pixels comprises a plurality of sub-pixels, the plurality of sub-pixels comprise at least a first sub-pixel emitting a first color and a second sub-pixel emitting a second color, and a luminous intensity of the first sub-pixel is greater than a luminous intensity of the second sub-pixel at a same driving current; and

a light blocking structure, wherein the light blocking structure is positioned on a first side, facing away from the substrate, of the display function layer and comprises a grid-shaped grid line, wherein along a direction vertical to the substrate, each of the plurality of sub-pixels is positioned in a grid surrounded by the grid line, and at least part of the grid line blocks light,

wherein a first shortest distance between a first orthographic projection of the first sub-pixel onto the substrate and a third orthographic projection of the grid line onto the substrate is D 1H along a row direction of the array, and a second shortest distance between a second orthographic projection of the second sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D 2H along the row direction of the array; and

wherein a third shortest distance between the first orthographic projection of the first sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D 1V along a column direction of the array, and a fourth shortest distance between the second orthographic projection of the second sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D 2V along the column direction of the array, wherein one or more of D 1H <D 2H or D 1V <D 2V .