Display panels, display screens, and display terminals

1. A display panel, comprising:

a substrate;

a pixel definition layer formed on the substrate, the pixel definition layer having a plurality of pixel apertures defined thereon, the plurality of pixel apertures comprising a first type of pixel aperture, and an edge of a projection of the first type of pixel aperture being a curve, and edges of a projection of the first type of pixel aperture being not parallel to each other; and

a first electrode layer formed on the substrate, the first electrode layer comprising a plurality of mutually independent first electrodes, an edge of a projection of the first electrode on the substrate and an edge of a projection of the pixel aperture on the substrate being not parallel to each other.

2. The display panel according to claim 1 , wherein the projection of the first type of pixel aperture on the substrate comprises a pattern unit or at least two pattern units connected to one another.

3. The display panel according to claim 2 , wherein:

when an aspect ratio of a sub-pixel corresponding to the first type of pixel aperture is less than 1.5, the projection of the first type of pixel aperture on the substrate is a circle;

when an aspect ratio of a sub-pixel corresponding to the first type of pixel aperture is greater than or equal to 1.5 and less than or equal to 2.5, the projection of the first type of pixel aperture on the substrate is two circles connected to each other;

when an aspect ratio of a sub-pixel corresponding to the first type of pixel aperture is greater than 2.5, the projection of the first type of pixel aperture on the substrate is at least three circles connected to each other.

4. The display panel according to claim 2 , wherein the projection of the first type of pixel aperture on the substrate is an ellipse, and a ratio of a major axis to a minor axis of the ellipse is equal to an aspect ratio of a sub-pixel corresponding to the first type of pixel aperture.

5. The display panel according to claim 2 , wherein the projection of the first type of pixel aperture on the substrate is an axisymmetric pattern.

6. The display panel according to claim 2 , wherein the projection of the first type of pixel aperture on the substrate further comprises a first connecting portion, and two pattern units being connected to each other through the first connecting portion, and at least one of two edges of the first connecting portion being a straight line or a curve line.

7. The display panel according to claim 1 , wherein the pixel aperture defines a shape of a sub-pixel, a plurality of protrusions being formed on the sub-pixel, and the plurality of protrusions being distributed along an edge of the sub-pixel.

8. The display panel according to claim 1 , wherein the pixel aperture further comprises a second type of pixel aperture; a projection of the second type of pixel aperture on the substrate being a rectangle; the first type of pixel aperture and the second type of pixel aperture being arranged alternatively on the substrate.

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

the display panel is a passive-matrix organic light-emitting diode display panel;

the plurality of first electrodes extends in parallel in the same direction, the adjacent first electrodes having an interval therebetween;

in an extending direction of the first electrode, a width of the first electrode continuously changes or intermittently changes, and the interval continuously changes or intermittently changes.

10. The display panel according to claim 9 , wherein both edges of the first electrode in the extending direction are wavy, wrests of the two edges being oppositely disposed, and troughs of the two edges being oppositely disposed.

11. The display panel according to claim 10 , wherein a second connecting portion are formed at the troughs of the first electrode, and the second connecting portion has a strip shape.

12. The display panel according to claim 9 , wherein a plurality of protrusions are formed on the first electrode, and the plurality of protrusions are distributed along the edge of the first electrode.

13. The display panel according to claim 1 , wherein the display panel is an Active Matrix Organic Light-Emitting Diode display panel.

14. The display panel according to claim 13 , wherein a projection of the first electrode on the substrate is a circle, an ellipse or two circles connected to each other.

15. The display panel according to claim 13 , wherein an edge of a projection of the first electrode on the substrate and the edge of the projection of the pixel aperture on the substrate are not parallel to each other.

16. A display screen, comprising:

a first display area displaying a picture; and

the display panel according to claim 1 provided in the first display area.

17. The display screen according to claim 16 , further comprising a second display area adjacent to the first display area, the display panel provided in the first display area comprising a Passive-Matrix Organic Light-Emitting Diode display panel or an Active Matrix Organic Light-Emitting Diode display panel, a display panel provided in the second display area comprising an Active Matrix Organic Light-Emitting Diode display panel.

18. A display terminal, comprising:

a device body having a device area; and

the display screen according to claim 16 disposed on the device body;

wherein, the device area is located under the first display area, and photosensitive devices being disposed in the device area.

19. The display terminal according to claim 18 , wherein the device area is a notched area, the photosensitive devices comprising a camera or a light sensor.