Array substrate, display panel, display device, and fabrication method thereof

1. An array substrate, comprising:

a plurality of first pixel-unit columns; and

a plurality of second pixel-unit columns, repeatedly alternating with the plurality of first pixel-unit columns along a first direction, wherein:

the first pixel-unit column includes a plurality of first pixel-unit groups and a plurality of second pixel-unit groups, repeatedly alternating with each other along a second direction,

the second pixel-unit column includes a plurality of third pixel-unit groups and a plurality of fourth pixel-unit groups, repeatedly alternating with each other along the second direction, the second direction forming an angle with the first direction,

each of the first pixel-unit group, the second pixel-unit group, the third pixel-unit group, and the fourth pixel-unit group includes a plurality of sub-pixels arranged into a matrix,

the first pixel-unit group and the second pixel-unit group have a same quantity of rows and a same quantity of columns in one matrix,

the third pixel-unit group and the fourth pixel-unit group have a same quantity of rows and a same quantity of columns in one matrix,

the sub-pixels in the first pixel-unit group are all first sub-pixels,

the sub-pixels in the second pixel-unit group are all second sub-pixels,

the sub-pixels in the third pixel-unit group include third sub-pixels and the second sub-pixels having a same quantity, and

the sub-pixels in the fourth pixel-unit group include the third sub-pixels and the first sub-pixels having a same quantity.

2. The array substrate according to claim 1 , wherein:

each of the first pixel-unit group, the second pixel-unit group, the third pixel-unit group, and the fourth pixel-unit group includes four sub-pixels arranged into a 2×2 matrix;

the four sub-pixels in each third pixel-unit group include two third sub-pixels in a first row of the 2×2 matrix and two second sub-pixels in a second row of the 2×2 matrix; and

the four sub-pixels in each fourth pixel-unit group include two third sub-pixels in a first row of the 2×2 matrix and two first sub-pixels in a second row of the 2×2 matrix.

3. The array substrate according to claim 1 , wherein:

each of the first pixel-unit group and the second pixel-unit group includes two sub-pixels arranged in a 2×1 matrix;

each of the third pixel-unit group and the fourth pixel-unit group includes four sub-pixels arranged in a 2×2 matrix;

the four sub-pixels in each third pixel-unit group include two third sub-pixels in a first row of the 2×2 matrix and two second sub-pixels in a second row of the 2×2 matrix; and

the four sub-pixels in each fourth pixel-unit group include two third sub-pixels in a first row of the 2×2 matrix and two first sub-pixels in a second row of the 2×2 matrix.

4. The array substrate according to claim 1 , wherein:

each of the first pixel-unit group and the second pixel-unit group includes four sub-pixels arranged in a 2×2 matrix;

each of the third pixel-unit group and the fourth pixel-unit group includes two sub-pixels arranged in a 2×1 matrix;

the two sub-pixels in each third pixel-unit group include one third sub-pixel in a first row of the 2×1 matrix and one second sub-pixel in a second row of the 2×1 matrix; and

the two sub-pixels in each fourth pixel-unit group include one third sub-pixel in a first row of the 2×1 matrix and one first sub-pixel in a second row of the 2×1 matrix.

5. The array substrate according to claim 1 , wherein:

each of the first pixel-unit group, the second pixel-unit group, the third pixel-unit group, and the fourth pixel-unit group includes two sub-pixels arranged into a 2×1 matrix;

the two sub-pixels in each third pixel-unit group include one third sub-pixel in a first row of the 2×1 matrix and one second sub-pixel in a second row of the 2×1 matrix; and

the two sub-pixels in each fourth pixel-unit group include one third sub-pixel in a first row of the 2×1 matrix and one first sub-pixel in a second row of the 2×1 matrix.

6. The array substrate according to claim 1 , wherein:

the first sub-pixel, the second sub-pixel, and the third sub-pixel correspond to different colors, and

each of the first sub-pixel, the second sub-pixel, and the third sub-pixel is one of a blue sub-pixel, a green sub-pixel, and a red sub-pixel.

7. The array substrate according to claim 1 , wherein the first sub-pixels, the second sub-pixels, and the third sub-pixels all have a rectangular shape or all have a diamond shape.

8. The array substrate according to claim 1 , wherein:

neighboring first sub-pixel, second sub-pixel, and third sub-pixel, together form one pixel unit; and

two neighboring pixel units share one of a first sub-pixel, a second sub-pixel, and a third sub-pixel.

9. The array substrate according to claim 1 , wherein:

the first pixel-unit groups are arranged in line with the third pixel-unit groups on the array substrate along the first direction; and

the second pixel-unit groups are arranged in line with the fourth pixel-unit groups on the array substrate along the first direction.

10. The array substrate according to claim 1 , wherein:

the first pixel-unit groups and the third pixel-unit groups are arranged along virtual zigzag lines on the array substrate in the first direction; and

the second pixel-unit groups and the fourth pixel-unit groups are arranged along virtual zigzag lines on the array substrate in the first direction.

11. The array substrate according to claim 1 , wherein the angle formed between the first direction and the second direction is 90 degrees.

12. A display panel containing the array substrate according to claim 1 .

13. A display device containing the display panel according to claim 12 .

14. The display device according to claim 13 , wherein the display device is an organic light-emitting display device or a liquid crystal display device.