Display panel and display device

1. A display panel, comprising a first display area, a second display area, and a transition display area between the first display area and the second display area, wherein:

the first display area includes a plurality of first sub-display areas, the second display area includes a plurality of second sub-display areas, and the transition display area includes at least one sub-transition area;

a first sub-display area of the plurality of first sub-display areas, a second sub-display area of the plurality of second sub-display areas and a sub-transition area each consists of two blue light-emitting elements, two red light-emitting elements, and four green light-emitting elements; and

number of pixel circuits for driving each light-emitting element in one of the at least one sub-transition area is greater than number of pixel circuits for driving each light-emitting element in one of the plurality of first sub-display areas and is smaller than number of pixel circuits for driving each light-emitting element in one of the plurality of second sub-display areas, wherein light-emitting elements in the first display area are driven by pixel circuits in the first display area, wherein:

in the second sub-display area, one pixel circuit is electrically connected exclusively to one light-emitting element of a same color;

the light-emitting elements include first light-emitting elements, second light-emitting elements and third light-emitting elements;

the sub-transition area includes at least one type of transition light-emitting elements and at least one type of non-transition light-emitting elements, the transition light-emitting elements are selected from one or two types of the first light-emitting elements, the second light-emitting elements and the third light-emitting elements, and the rest types of light-emitting elements are non-transition light-emitting elements;

an arrangement of the transition light-emitting elements includes: number of transition light-emitting elements in the sub-transition area driven by one pixel circuit is equal to number of transition light-emitting elements in the first sub-display area driven by one pixel circuit, and is greater than number of transition light-emitting elements in the second sub-display area driven by one pixel circuit; and

an arrangement of the non-transition light-emitting elements includes: number of non-transition light-emitting elements in the sub-transition area driven by one pixel circuit is smaller than number of non-transition light-emitting elements in the first sub-display area driven by one pixel circuit and is equal to number of non-transition light-emitting elements in the second sub-display area driven by one pixel circuit.

2. The display panel according to claim 1 , wherein the first display area includes a light-transmitting area.

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

the first light-emitting elements are blue light-emitting elements, the second light-emitting elements are red light-emitting elements, and the third light-emitting elements are green light-emitting elements; and

at least the first light-emitting elements are selected as the transition light-emitting elements.

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

the first light-emitting elements are blue light-emitting elements, the second light-emitting elements are red light-emitting elements, and the third light-emitting elements are green light-emitting elements;

when the first light-emitting elements are selected as the transition light-emitting elements, one pixel circuit drives two first light-emitting elements in the sub-transition area;

when the second light-emitting elements are selected as the transition light-emitting elements, one pixel circuit drives two second light-emitting elements in the sub-transition area; and

when the third light-emitting elements are selected as the transition light-emitting elements, one pixel circuit drives two third light-emitting elements, or one pixel circuit drives four third light-emitting elements in the sub-transition area.

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

along a first direction, at least two sub-transition areas are disposed adjacent to each other; and

the first direction is a direction in which the second display area points to the first display area.

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

along the first direction, the first light-emitting elements, the second light-emitting elements and the third light-emitting elements are selected in a same manner for transition light-emitting elements and non-transition light-emitting elements in the at least two adjacent sub-transition areas; and

the first direction is the direction in which the second display area points to the first display area.

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

the sub-transition area includes a first sub-transition area and a second sub-transition area, the first sub-transition area includes one type of transition light-emitting elements and two types of non-transition light-emitting elements, and the second sub-transition area includes two types of transition light-emitting elements and one type of non-transition light-emitting elements.

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

the second sub-transition area is on a side of the first sub-transition area close to the first display area.

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

one of two types of transition light-emitting elements in the second sub-transition area is same as a type of transition light-emitting elements in the first sub-transition area.

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

the transition display area includes a first transition display area and a second transition display area, the second transition display area is on a side of the first transition display area close to the first display area, the first transition display area includes the first sub-transition area, and the second transition display area includes the first sub-transition area and the second sub-transition area.

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

the transition display area further includes a sub-non-transition area, and a driving relationship between the light-emitting elements and the pixel circuits in the sub-non-transition area is same as a driving relationship between the light-emitting elements and the pixel circuits in the first sub-display area; and

the transition display area further includes a third transition display area, the third transition display area is on a side of the second transition display area close to the first display area, and the third transition display area includes the first sub-transition area, the second sub-transition area, and the sub-non-transition area.

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

in the third transition display area, along a first direction, the first sub-transition area, the second sub-transition area and the sub-non-transition area are disposed in sequence; and

the first direction is a direction in which the second display area points to the first display area.

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

in a second direction, the first light-emitting elements, the second light-emitting elements and the third light-emitting elements are selected in a same manner for transition light-emitting elements and non-transition light-emitting elements in at least two adjacent sub-transition areas; and

the second direction is perpendicular to a direction in which the second display area points to the first display area.

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

in the second direction, the first light-emitting elements, the second light-emitting elements and the third light-emitting elements are selected in a different manner for transition light-emitting elements and non-transition light-emitting elements in at least two adjacent sub-transition areas; and

the second direction is perpendicular to a direction in which the second display area points to the first display area.

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

in the first sub-display area, one pixel circuit drives two light-emitting element; and

in the second sub-display area, one pixel circuit drives one light-emitting element.

16. A display device, comprising a display panel comprising a first display area, a second display area, and a transition display area between the first display area and the second display area, wherein:

the first display area includes a plurality of first sub-display areas, the second display area includes a plurality of second sub-display areas, and the transition display area includes at least one sub-transition area;

a first sub-display area of the plurality of first sub-display areas, a second sub-display area of the plurality of second sub-display areas and a sub-transition area each include consists of two blue light-emitting elements, two red light-emitting elements, and four green light-emitting elements; and

number of pixel circuits for driving each light-emitting element in one of the at least one sub-transition area is greater than number of pixel circuits for driving each light-emitting element in one of the plurality of first sub-display areas and is smaller than number of pixel circuits for driving each light-emitting element in one of the plurality of second sub-display areas, wherein light-emitting elements in the first display area are driven by pixel circuits in the first display area, wherein:

in the second sub-display area, one pixel circuit is electrically connected to one light-emitting element of a same color;

the light-emitting elements include first light-emitting elements, second light-emitting elements and third light-emitting elements;

the sub-transition area includes at least one type of transition light-emitting elements and at least one type of non-transition light-emitting elements, the transition light-emitting elements are selected from one or two types of the first light-emitting elements, the second light-emitting elements and the third light-emitting elements, and the rest types of light-emitting elements are non-transition light-emitting elements;

an arrangement of the transition light-emitting elements includes: number of transition light-emitting elements in the sub-transition area driven by one pixel circuit is equal to number of transition light-emitting elements in the first sub-display area driven by one pixel circuit, and is greater than number of transition light-emitting elements in the second sub-display area driven by one pixel circuit; and

an arrangement of the non-transition light-emitting elements includes: number of non-transition light-emitting elements in the sub-transition area driven by one pixel circuit is smaller than number of non-transition light-emitting elements in the first sub-display area driven by one pixel circuit and is equal to number of non-transition light-emitting elements in the second sub-display area driven by one pixel circuit.

17. The display device according to claim 16 , comprising:

an optical sensor, overlapping the first display area of the display panel.