Display device

1. A display device, comprising:

a backlight module;

a plurality of side frames positioned at a periphery of the backlight module, the side frames are respectively positioned on different sides of the backlight module, and are coupled to the backlight module; a first supporting part is provided on at least one of the side frames, and the first supporting part extends toward a middle part of the backlight module;

a panel assembly positioned on a light-emitting side of the backlight module and comprising a first display panel, a second display panel and a connection layer, wherein the connection layer is connected between the first display panel and the second display panel, the first display panel, the second display panel and the connection layer define an accommodation space, the first supporting part extends into the accommodation space, the first display panel is positioned on a side of the first supporting part away from the backlight module, and the second display panel is positioned on a side of the first supporting part proximal to the backlight module and supported by the backlight module,

wherein there is an overlap between an orthographic projection of the first display panel and an orthographic projection of the side frame on a plane in which the first display panel extends, so that the first display panel overlaps with the side frame in an overlap region along a direction in which the first display panel extends,

a first buffer layer is provided on a surface of the first supporting part facing the first display panel, and a second buffer layer is provided on a surface of the first supporting part facing the second display panel,

there is a first distance between the first buffer layer and the first display panel, and there is a second distance between the second buffer layer and the second display panel.

2. The display device according to claim 1 , wherein a first adhesive layer is disposed on a surface of each side frame facing the backlight module, and the backlight module is adhered to each side frame through the first adhesive layer.

3. The display device according to claim 1 , wherein the backlight module comprises:

a back plate formed with an accommodating part;

a backlight assembly disposed in the accommodating part;

a glue frame comprising a retaining wall and a second supporting part on the retaining wall, the retaining wall is arranged around the back plate;

the side frame is positioned on a side of the back plate away from the retaining wall, and the second display panel is supported by the second supporting part.

4. The display device according to claim 3 , wherein one of the side frame and the glue frame is provided with a hook, and the other one of the side frame and the glue frame is provided with a slot, and the hook is clamped in the slot.

5. The display device according to claim 3 , wherein a second adhesive layer is provided between the second supporting part and the second display panel.

6. The display device according to claim 5 , wherein the second adhesive layer comprises a foam adhesive tape.

7. The display device according to claim 1 , wherein the connection layer comprises an adhesive layer.

8. The display device according to claim 1 , wherein the first distance and the second distance each range from 0.05 mm to 0.1 mm.

9. The display device according to claim 1 , wherein the first display panel comprises an array substrate and an opposite substrate which are oppositely arranged, and edge sealing layers are arranged on a side surface of the array substrate facing the side frame and a side surface of the opposite substrate facing the side frame.

10. The display device according to claim 9 , wherein the edge sealing layer on the side surface of the array substrate facing the side frame and the edge sealing layer on the side surface of the opposite substrate facing the side frame are formed into a single piece as a light shielding layer.

11. The display device according to claim 9 , wherein the backlight module has a first edge, a second edge, a third edge and a fourth edge, the array substrate comprises a first driving region proximal to the fourth edge, and the display device further comprises a first flexible printed circuit coupled to the first driving region;

the number of the side frames is three, and the three side frames are respectively adjacent to the first edge, the second edge and the third edge.

12. The display device according to claim 1 , wherein an orthographic projection of an edge of the first supporting part away from the side frame on the first display panel is a straight line or a curved line.

13. The display device according to claim 1 , wherein the first supporting part on a same one of the side frames is a continuous structure, or comprises a plurality of parts arranged at intervals.

14. The display device according to claim 11 , further comprising a protective shell, a protective space is defined between the protective shell and the backlight module, wherein a part of the first flexible printed circuit is positioned in the protective space.