Display device and fabrication method thereof

1. A display device, comprising: a display panel and a cover plate provided opposite to each other; and a support layer, provided between the display panel and the cover plate, the support layer being configured to support the display panel and the cover plate, so that a gap is provided between the display panel and cover plate; the support layer comprising a plurality of first support portions; and the plurality of first support portions are dispersedly arranged and spaced apart from each other, wherein the display panel comprises a display region configured for displaying image and a non-display region surrounding the display region; and orthographic projections of the plurality of first support portions on the display panel are located in the display region, and wherein the support layer further comprises a second support portion; an orthographic projection of the second support portion on the display panel is located in the non-display region of the display device; and an air gap is formed between the second support portion and a portion of the first support portion that is close to the non-display region.

2. The display device according to claim 1 , wherein an air gap is formed between every adjacent two of the first support portions, and the first support portion is in contact with neither the display panel nor the cover plate at the air gap.

3. The display device according to claim 1 , wherein the plurality of first support portions are arranged in an array, and the plurality of first support portions are arranged at equal intervals in a row direction or a column direction.

4. The display device according to claim 3 , wherein the plurality of first support portions comprise a plurality of first supporters and a plurality of second supporters; each of the first supporters and each of the second supporters are alternately arranged in the row direction or the column direction; and an area of an orthographic projection of each of the first supporters on the display panel is larger than an area of an orthographic projection of each of the second supporters on the display panel.

5. The display device according to claim 1 , wherein the second support portion is continuously coated in the non-display region of the display device, so that an enclosed cavity is formed between the second support portion, the display panel and the cover plate, and the plurality of first support portions are located in the enclosed cavity.

6. The display device according to claim 1 , wherein the plurality of first support portions comprise a transparent elastic material, and the second support portion comprises curable adhesive.

7. The display device according to claim 1 , wherein the transparent elastic material comprises an antistatic material.

8. The display device according to claim 1 , wherein a thickness of the first support portion is from 0.3 mm to 0.8 mm, and a thickness of the second support portion is from 0.8 nm to 1.0 mm.

9. The display device according to claim 1 , wherein the cover plate comprises reinforced glass; a surface of the reinforced glass that is away from the display panel is a matte surface; and a surface of the reinforced glass that is close to the display panel is a non-matte surface.

10. The display device according to claim 1 , wherein a separation distance between the display panel and the cover plate is from 0.8 mm to 1.0 mm.

11. The display device according to claim 1 , further comprising:

a backlight module provided on a side of the display panel that is opposite to the cover plate; and

a surface frame enclosing a periphery of the backlight module; the surface frame comprising a fixed portion, and the fixed portion being configured to fix a surface of the cover plate that is away from the display panel.