Display panel and display device

1. A display panel, comprising:

a display region and a non-display region at least partially surrounding the display region;

a first base plate and a second base plate opposite to each other; and

first reflection structures and first pixel electrodes in the non-display region and second pixel electrodes in the display region;

wherein:

the first base plate includes a first substrate;

the second base plate includes a light-blocking layer;

the light-blocking layer includes at least one first opening in the non-display region and includes second openings in the display region;

along a first direction, the at least one first opening and the second openings penetrate through the light-blocking layer;

the first direction is a thickness direction of the display panel;

along the first direction, a projection of a first reflection structure overlaps a projection of a corresponding first opening of the at least one first opening;

along the first direction, the second pixel electrodes overlap the second openings;

along the first direction, an overlapping area of one first pixel electrode of the first pixel electrodes and a corresponding first opening of the at least one first opening is S01;

along the first direction, a projection of the corresponding first opening on the first substrate has a total area S0;

along the first direction, an overlapping area of one second pixel electrode of the second pixel electrodes and a corresponding second opening of the second openings is S02; and

along the first direction, a projection of the corresponding second opening on the first substrate has a total area S00, wherein S01/S0>S02/S00.

2. The display panel according to claim 1 , wherein the projection of the first reflection structure covers the projection of the corresponding first opening.

3. The display panel according to claim 1 , wherein:

the first reflection structures are made of a material including a metal material.

4. The display panel according to claim 1 , wherein:

along a direction from the display region to the non-display region, an area of the at least one first opening gradually decreases in a case that there are more than one first opening along the direction from the display region to the non-display region.

5. The display panel according to claim 1 , further comprising second reflection structures, wherein:

the second base plate further includes color-resists;

at least a portion of the color-resists is located in the at least one first opening;

along the first direction, a projection of a second reflection structure overlaps a projection of a corresponding first opening of the at least one first opening; and

the color-resists are multiplexed as the second reflection structures.

6. The display panel according to claim 5 , wherein:

along the first direction, the first reflection structures are disposed between the first substrate and the color-resists.

7. The display panel according to claim 5 , wherein:

the color-resists include first color-resists and second color-resists;

a transmittance of the first color-resists per unit area is larger than a transmittance of the second color-resists per the same unit area; and

in the non-display region, the area of the at least one first opening corresponding to the first color-resists is S1, and the area of the at least one first opening corresponding to the second color-resists is S2, wherein S1<S2.

8. The display panel according to claim 7 , wherein:

the color-resists further include third color-resists;

a transmittance of the third color-resists per unit area is lower than the transmittance of the second color-resists per the same unit area;

in the non-display region, the area of the at least one first opening corresponding to the third color-resists is S3, wherein S2<S3.

9. The display device according to claim 8 , wherein:

the first color-resists are green color-resists, the second color-resists are red color-resists, and the third color-resists are blue color-resists.

10. The display panel according to claim 5 , wherein:

the color-resists in the at least one first opening are all blue color-resists.

11. The display panel according to claim 5 , wherein:

the color-resists include first color-resists and second color-resists;

a transmittance of the first color-resists per unit area is larger than a transmittance of the second color-resists per the same unit area;

in the non-display region, the area of the at least one first opening corresponding to the first color-resists and the area of the at least one first opening corresponding to the second color-resists are same; and

the first color-resists are disposed between the second color-resists and the display region.

12. The display panel according to claim 1 , wherein:

the non-display region includes a first non-display region and a second non-display region;

the first non-display region is located between the second non-display region and the display region; and

an area of a first opening, of the at least one first opening, located in the first non-display region is larger than an area of a first opening, of the at least one first opening, located in the second non-display region.

13. The display panel according to claim 12 , wherein:

the second base plate further includes color-resists;

at least a portion of the color-resists is located in the at least one first opening;

the color-resists include red color-resists, green color-resists and blue color-resists;

the color-resists further include white color-resists, or at least one of the at least one first opening is filled with a film layer with high transmittance; and

the at lease one of the at least one first opening provided with the white color-resists or the film layer with high transmittance is located in the second non-display region.

14. The display panel according to claim 12 , wherein:

an area of a first opening of the at least one first opening located in the first non-display region is equal to an area of a second opening of the second openings located in the display region.

15. The display panel according to claim 1 , further comprising third reflection structures, wherein:

along the first direction, a projection of one third reflection structure overlaps a projection of a corresponding first opening of the at least one first opening, and the first pixel electrodes are multiplexed as the third reflection structures.

16. The display panel according to claim 15 , wherein:

the first pixel electrodes include N1 electrode strips, and the second pixel electrodes include N2 electrode strips, wherein N1>N2≥2.

17. The display panel according to claim 15 , wherein:

the first pixel electrodes include at least one first electrode strip, and the second pixel electrodes include at least one second electrode strip, wherein a width of the at least one first electrode strip is larger than a width of the at least one second electrode strip.

18. The display panel according to claim 1 , further including electrostatic transmission lines in the non-display region, wherein:

the first reflection structures are multiplexed as the electrostatic transmission lines.

19. The display panel according to claim 1 , wherein an area of a first opening of the at least one first opening in the non-display region is smaller than an area of one of the second openings in the display region.

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

a display region and a non-display region at least partially surrounding the display region;

a first base plate and a second base plate opposite to each other; and

first reflection structures and first pixel electrodes in the non-display region and second pixel electrodes in the display region;

wherein:

the first base plate includes a first substrate;

the second base plate includes a light-blocking layer;

the light-blocking layer includes at least one first opening in the non-display region and includes second openings in the display region;

along a first direction, the at least one first opening and the second openings penetrate through the light-blocking layer;

the first direction is a thickness direction of the display panel;

along the first direction, a projection of a first reflection structure overlaps a projection of a corresponding first opening of the at least one first opening;

along the first direction, the second pixel electrodes overlap the second openings;

along the first direction, an overlapping area of one first pixel electrode of the first pixel electrodes and a corresponding first opening of the at least one first opening is S01;

along the first direction, a projection of the corresponding first opening on the first substrate has a total area S0;

along the first direction, an overlapping area of one second pixel electrode of the second pixel electrodes and a corresponding second opening of the second openings is S02; and

along the first direction, a projection of the corresponding second opening on the first substrate has a total area S00, wherein S01/S0>S02/S00.