Substrate to be encapsulated, encapsulation assembly and display device having the same

1. A substrate to be encapsulated, comprising:

a base substrate; and

a plurality of notches in an encapsulation region to be attached to an encapsulation layer, wherein the plurality of notches have a same shape of regular polygon;

wherein, in at least a sub-region of the encapsulation region, multiple notches of the plurality of notches are arranged in a first sub-array and a second sub-array, the first sub-array and the second sub-array interlaced with each other;

the first sub-array comprises a plurality of first notches arranged in a plurality of first rows and a plurality of first columns;

the second sub-array comprises a plurality of second notches arranged in a plurality of second rows and a plurality of second columns;

the plurality of first columns and the plurality of second columns are alternately arranged along a row direction;

the plurality of first rows and the plurality of second rows are alternately arranged along a column direction;

centers of two directly adjacent notches respectively in two adjacent first columns of the plurality of first columns are spaced apart from each other by a first distance along the row direction;

centers of two directly adjacent notches respectively in two adjacent second columns of the plurality of second columns are spaced apart from each other by a second distance along the row direction;

centers of two directly adjacent notches respectively in a respective first column of the plurality of first columns and a respective second column of the plurality of second columns are spaced apart by a third distance along the row direction, the respective first column and the respective second column directly adjacent to each other; and

the third distance is less than the first distance and is less than the second distance;

wherein edges or tips of notches in the respective first column that are closest to the respective second column define a first imaginary line;

the first imaginary line crosses over notches in the respective second column;

edges or tips of notches in the respective second column that are closest to the respective first column define a second imaginary line; and

the second imaginary line crosses over notches in the respective first column;

wherein edges or tips of notches in a respective first row of the plurality of first rows that are closest to a respective second row of the plurality of second rows define a third imaginary line;

the third imaginary line crosses over notches in the respective second row;

edges or tips of notches in the respective second row that are closest to the respective first row define a fourth imaginary line; and

the fourth imaginary line crosses over notches in the respective first row;

wherein the sub-region is a corner region of the substrate, the corner region has a curved shape and is absent of any electrodes or signal lines.

2. The substrate according to claim 1 , wherein centers of two directly adjacent notches respectively in two adjacent first rows of the plurality of first rows are spaced apart from each other by a fourth distance along the column direction;

centers of two directly adjacent notches respectively in two adjacent second rows of the plurality of second rows are spaced apart from each other by a fifth distance along the column direction;

centers of two directly adjacent notches respectively in a respective first row of the plurality of first rows and a respective second row of the plurality of second rows are spaced apart by a sixth distance along the column direction, the respective first row and the respective second row directly adjacent to each other; and

the sixth distance is less than the third distance and is less than the fourth distance.

3. The substrate according to claim 2 , wherein the plurality of notches are arranged along a same direction, one of diagonals of the regular polygon is parallel with the row direction.

4. The substrate according to claim 2 , wherein the plurality of notches are arranged along a same direction, one of diagonals of the regular polygon is perpendicular to the row direction.

5. The substrate according to claim 1 , further comprising a structural layer on the base substrate, wherein the plurality of notches are located in the structural layer.

6. The substrate according to claim 1 , wherein the plurality of notches are located in the base substrate.

7. The substrate according to claim 1 , wherein the regular polygon is a regular octagon or a regular hexagon.

8. An encapsulation assembly, comprising:

a base substrate;

an encapsulation layer that packages the base substrate in an encapsulation region;

an adhesive layer between the base substrate and the encapsulation layer in the encapsulation region for attaching; and

a plurality of notches in the encapsulation region, wherein the plurality of notches have a same shape of regular polygon;

wherein, in at least a sub-region of the encapsulation region, multiple notches of the plurality of notches are arranged in a first sub-array and a second sub-array, the first sub-array and the second sub-array interlaced with each other;

the first sub-array comprises a plurality of first notches arranged in a plurality of first rows and a plurality of first columns;

the second sub-array comprises a plurality of second notches arranged in a plurality of second rows and a plurality of second columns;

the plurality of first columns and the plurality of second columns are alternately arranged along a row direction;

the plurality of first rows and the plurality of second rows are alternately arranged along a column direction;

centers of two directly adjacent notches respectively in two adjacent first columns of the plurality of first columns are spaced apart from each other by a first distance along the row direction;

centers of two directly adjacent notches respectively in two adjacent second columns of the plurality of second columns are spaced apart from each other by a second distance along the row direction;

centers of two directly adjacent notches respectively in a respective first column of the plurality of first columns and a respective second column of the plurality of second columns are spaced apart by a third distance along the row direction, the respective first column and the respective second column directly adjacent to each other; and

the third distance is less than the first distance and is less than the second distance;

wherein edges or tips of notches in the respective first column that are closest to the respective second column define a first imaginary line;

the first imaginary line crosses over notches in the respective second column;

edges or tips of notches in the respective second column that are closest to the respective first column define a second imaginary line;

the second imaginary line crosses over notches in the respective first column;

wherein edges or tips of notches in a respective first row of the plurality of first rows that are closest to a respective second row of the plurality of second rows define a third imaginary line;

the third imaginary line crosses over notches in the respective second row;

edges or tips of notches in the respective second row that are closest to the respective first row define a fourth imaginary line; and

the fourth imaginary line crosses over notches in the respective first row;

wherein the sub-region is a corner region of the encapsulation assembly, the corner region has a curved shape and is absent of any electrodes or signal lines.

9. The encapsulation assembly according to claim 8 , wherein centers of two directly adjacent notches respectively in two adjacent first rows of the plurality of first rows are spaced apart from each other by a fourth distance along the column direction;

centers of two directly adjacent notches respectively in two adjacent second rows of the plurality of second rows are spaced apart from each other by a fifth distance along the column direction;

centers of two directly adjacent notches respectively in a respective first row of the plurality of first rows and a respective second row of the plurality of second rows are spaced apart by a sixth distance along the column direction, the respective first row and the respective second row directly adjacent to each other; and

the sixth distance is less than the third distance and is less than the fourth distance.

10. The encapsulation assembly according to claim 9 , wherein the plurality of notches are arranged along a same direction, one of diagonals of the regular polygon is parallel with the row direction.

11. The encapsulation assembly according to claim 9 , wherein the plurality of notches are arranged along a same direction, one of diagonals of the regular polygon is perpendicular to the row direction.

12. The encapsulation assembly according to claim 8 , further comprising a structural layer on the base substrate, wherein the plurality of notches are located in the structural layer.

13. The encapsulation assembly according to claim 8 , wherein the plurality of notches are located in the base substrate.

14. The encapsulation assembly according to claim 8 , wherein the regular polygon is a regular octagon or a regular hexagon.

15. The encapsulation assembly according to claim 8 , wherein the encapsulation assembly is an active matrix organic light emitting diode (AMOLED) display panel.

16. A display device, comprising an encapsulation assembly according to claim 8 .