Display device

1. A display device, comprising:

a backlight device,

a first display structure located above a light-emitting surface of the backlight device, and

a second display structure located above a side, away from the backlight device, of the first display structure;

wherein the first display structure and the second display structure are opposite to each other;

the first display structure comprises first pixels arranged in an array;

the second display structure comprises second pixels arranged in an array; and

an area of orthographic projections of the first pixels on a light-emitting surface of the display device is larger than an area of orthographic projections of the second pixels on the light-emitting surface of the display device;

wherein each of the second pixels comprises a second pixel electrode;

each of the first pixels comprises:

multiple first pixel electrodes which are axisymmetric; or

multiple first pixel electrodes which are centrosymmetric; and

wherein the first pixels are divided into multiple dimming areas,

each of the multiple dimming areas comprises at least one of the first pixels; and

the first display structure is for adjusting a transmittance of each of the multiple dimming areas for lights emitted by the backlight device according to an image to be displayed in a next frame of the second display structure;

wherein the first display structure comprises a first display area and a second display area surrounding the first display area; and

the multiple dimming areas comprise multiple first subareas and multiple second subareas; and

wherein the multiple first subareas are located in the first display area, and the multiple second subareas are located in the second display area; and

an area of the multiple second subareas is smaller than an area of the multiple first subareas;

wherein the first pixel electrode of the first display structure and second pixel electrode of the second display structure each comprises a first section and multiple second sections, and the multiple second sections are electrically connected to the first section, and

wherein the first section extends in a first direction, and

the multiple second sections are arranged in the first direction, and the multiple second sections are arranged at intervals; and

wherein each of the multiple second sections comprises a first segment, a second segment and a third segment which are connected,

the first segment is electrically connected to the first section, the second segment is arranged between the first segment and the third segment, and

the first segment extends in a first sub-direction, the second segment extends in a second sub-direction, and the third segment extends in a third sub-direction; and

wherein the first direction is a row direction, the second sub-direction is a column direction, and the first sub-direction and the third sub-direction are parallel to each other and intersect respectively with the row direction and the column direction; or

wherein the first direction is a column direction, the second sub-direction is a row direction, and the first sub-direction and the third sub-direction are parallel to each other and intersect respectively with the row direction and the column direction.

2. The display device of claim 1 , wherein the first display structure comprises:

multiple gate lines extending in a row direction and arranged in a column direction, and

multiple data lines extending in a column direction and arranged in a row direction;

the multiple dimming areas are arranged in an array, and each of the multiple dimming areas comprises multiple first pixels; and the multiple first pixels comprise transistors corresponding to first pixel electrodes; and in a same dimming area:

first pixel electrodes of every two adjacent first pixels in a row direction are electrically connected to a same data line through correspondingly arranged transistors, and

first pixel electrodes of every two adjacent first pixels in a column direction are electrically connected to a same gate line through correspondingly arranged transistors.

3. The display device of claim 1 , wherein the first display structure comprises:

multiple gate lines extending in a row direction and arranged in a column direction, and

multiple data lines extending in a column direction and arranged in a row direction;

for each of the first pixels, wherein:

each of the first pixels comprises multiple first pixel electrodes, and is internally provided with a connecting line electrically connected to the multiple first pixel electrodes, and a transistor;

the connecting line and the multiple first pixel electrodes are arranged in different layers; and

a gate of the transistor is electrically connected to a corresponding gate line, a source of the transistor is electrically connected to a corresponding data line, and a drain of the transistor is electrically connected to the connecting line.

4. The display device of claim 3 , wherein:

the connecting line is made of a same material as one or more of: the source and the drain of the transistor; and

the connecting line is arranged in a same layer as one or more of: the source and the drain of the transistor.

5. The display device of claim 1 , wherein:

the multiple first subareas are square, or

an orthographic projection of the first display structure on the light-emitting surface of the display device is rectangular, and a length-width ratio of each of the multiple first subareas is equal to that of the first display structure; and

the multiple second subareas are rectangular.

6. The display device of claim 1 , wherein the first display structure and the second display structure are both liquid crystal display panels; and

a transparent adhesive layer is arranged between the first display structure and the second display structure.

7. The display device of claim 1 , wherein the display device comprises a first polarizer, a second polarizer and a third polarizer;

the first polarizer is arranged on a side, away from the backlight device, of the second display structure,

the second polarizer is arranged between the first display structure and the second display structure, and

the third polarizer is arranged on a side, close to the backlight device, of the first display structure; and

wherein polarized lights transmitted through the first polarizer and polarized lights transmitted through the second polarizer are perpendicular to each other, and

the polarized lights transmitted through the first polarizer and polarized lights transmitted through the third polarizer are parallel to each other.

8. The display device of claim 7 , wherein:

the first display structure comprises a first substrate and a first liquid crystal arranged between the first substrate and the second polarizer; and

the second display structure comprises a third substrate, a fourth substrate opposite to the third substrate, and a second liquid crystal located between the third substrate and the fourth substrate; and

wherein the third substrate comprises pixel electrodes, and the third substrate is close to the first substrate.

9. The display device of claim 8 , wherein the first substrate comprises pixel electrodes and common electrodes; and

the pixel electrodes and the common electrodes are both for driving the first liquid crystal to deflect.