Display panel and display apparatus including multi-adhesive spacer layer
The present disclosure provides a display panel and a display apparatus. The display panel includes a display substrate and a support layer one a side of the display substrate. The support layer has a patterned region. The display substrate further includes a spacer layer between the support layer and the display substrate. The spacer layer includes a first adhesive layer, a second adhesive layer and a base material layer between the first adhesive layer and the second adhesive layer. The first adhesive layer is adhered to the display substrate, and the second adhesive layer is adhered to the support layer.
1. A display panel, comprising a display substrate and a support layer on a side of the display substrate, the support layer having a patterned region, wherein
the display panel further comprises a spacer layer between the support layer and the display substrate; and
the spacer layer comprises a first adhesive layer, a second adhesive layer and a base material layer between the first adhesive layer and the second adhesive layer, the first adhesive layer is adhered to the display substrate, and the second adhesive layer is adhered to the support layer,
wherein the display substrate further comprises a base at a side proximal to the spacer layer, and
a material of the base of the display substrate comprises polyimide, and a material of the first adhesive layer comprises silicone.
2. The display panel of claim 1 , wherein a material of the base material layer comprises any one of an organic material, a metal, and an inorganic material.
3. The display panel of claim 2 , wherein the organic material comprises any one of polyimide, polyethylene terephthalate, polyethylene, and polyurethane.
4. The display panel of claim 3 , wherein the base material layer has a thickness in a range from 1 μm to 500 μm.
5. The display panel of claim 4 , wherein the base material layer has a thickness in a range from 10 μm to 100 μm.
6. The display panel of claim 4 , wherein the base material layer comprises the organic material, a part of the organic material of the base material layer proximal to the support layer is of a foaming structure, and the foaming structure has a thickness in a range from 50 μm to 300 μm.
7. The display panel of claim 4 , wherein the base material layer comprises the organic material, and the organic material of the base material layer as a whole is of a foaming structure, and the foaming structure has a thickness in a range from 50 μm to 500 μm.
8. The display panel of claim 6 , wherein the foaming structure of the organic material proximal to the support layer has porosity in a range from 30% to 95%.
9. The display panel of claim 7 , wherein the foaming structure of the organic material as a whole has porosity in a range from 30% to 95%.
10. The display panel of claim 9 , further comprising a black dye layer on the base material layer.
11. The display panel of claim 10 , wherein the support layer comprises a support member and the display substrate comprises a bendable region,
the support member is provided with through holes which penetrate through the support layer to form the patterned region, the bendable region is at a position corresponding to the patterned region, and an orthographic projection of the bendable region on the display substrate is within an orthographic projection of the patterned region on the display substrate.
12. The display panel of claim 11 , wherein the support layer further comprises a filling layer comprising a filling portion to fill the through holes in the support member.
13. The display panel of claim 12 , wherein the filling layer further comprises at least one connection sub-layer between the support member and the second adhesive layer.
14. The display panel of claim 13 , wherein a material of the filling layer comprises a polymer material, and a material of the second adhesive layer comprises an acrylic material or an epoxy resin.
15. The display panel of claim 14 , wherein the filling portion and the at least one connection sub-layer are formed integrally as a single piece.
16. The display panel of claim 1 , wherein a surface of the spacer layer proximal to the display substrate is flat, and the spacer layer covers the entire surface of the display substrate.
17. The display panel of claim 2 , wherein the metal comprises any one of stainless steel and aluminum, and the inorganic material comprises glass.
18. The display panel of claim 17 , wherein the material of the base material layer comprises any one of steel, aluminum, and glass; and
a surface of the base material layer is provided with a tungsten layer thereon.
19. A display apparatus comprising the display panel of claim 1 and a driving circuit for driving the display panel.