Display devices, display panels, and methods for manufacturing the same
A display panel, a display device, and a method for manufacturing the display panel are provided. The display panel includes two electrode layers and a luminous functional layer stacked between the two electrode layers. Each electrode layer has a first surface and a second surface opposite to each other in a thickness direction thereof. The first surface of each electrode layer is attached to and in contact with the luminous functional layer. Each electrode layer includes at least one insulation section and at least one electrode section integrated as a single body. A material of the electrode section is a conductively modified form of a material of the insulation section. The electrode section is in contact with the luminous functional layer and is in a conductive state at least at the first surface. The electrode layer in the present disclosure has no conductive pattern and will not cause optical disturbance.
1. A display panel comprising:
two electrode layers, each of the two electrode layers having a first surface and a second surface opposite to each other in a thickness direction of each of the two electrode layers, each of the two electrode layers comprising at least one insulation section and at least one electrode section, the at least one insulation section and the at least one electrode section being integrated as a single body, and a material of the electrode section being a conductive modified form of a material of the insulation section; and
a luminous functional layer, formed between the two electrode layers, the first surface of each of the two electrode layers being in contact with the luminous functional layer;
wherein the electrode section is in contact with the luminous functional layer and is in a conductive state at least at the first surface.
2. The display panel of claim 1 , wherein each of the two electrode layer is a continuous and integrated layer structure with a uniform thickness.
3. The display panel of claim 1 , wherein the at least one insulation section and the at least one electrode section comprise a plurality of insulation sections and a plurality of electrode sections arranged alternatively in a direction perpendicular to the thickness direction.
4. The display panel of claim 3 , wherein the insulation section and the electrode section are in shapes of stripes.
5. The display panel of claim 4 , wherein the insulation section and the electrode section of one of the two electrode layers extend in a first direction, the insulation section and the electrode section of the other one of the two electrode layers extend in a second direction, and the first direction is transverse to the second direction.
6. The display panel of claim 1 , wherein the material of the insulation section is an oxide semiconductor, and the material of the electrode section is a conductive modified form of the oxide semiconductor.
7. The display panel of claim 6 , wherein the oxide semiconductor is selected from the group consisting of zinc oxide, tin oxide, indium gallium zinc oxide, and any combination thereof.
8. The display panel of claim 1 , wherein a resistivity difference between the electrode section and the insulation section of each of the two electrode layers is equal to or larger than 1×10 5 Ω·m.
9. The display panel of claim 1 , wherein the electrode section of each of the two electrode layers is continuously in the conductive state along a direction from the first surface to the second surface.
10. The display panel of claim 1 , wherein the electrode section of each of the two electrode layers is in a state gradually changing from conductor to semiconductor along a direction from the first surface to the second surface.
11. The display panel of claim 1 , wherein the electrode section of each of the two electrode layers is in a state gradually changing from conductor to semiconductor and then changing back to conductor along a direction from the first surface to the second surface.
12. The display panel of claim 1 , further having a transparent region configured to pass lights from a light emitting side to a back side of the display panel, wherein the luminous functional layer is transparent in the transparent region.
13. The display panel of claim 1 , wherein the luminous functional layer comprises a plurality of light-emitting pixels arranged in parallel, and each of the plurality of light-emitting pixels is in contact with the electrode section of each of the two electrode layers to receive holes from the electrode section of one of the two electrode layers and electrons from the electrode section of the other one of the two electrode layers.
14. The display panel of claim 1 , wherein the display panel is a passive matrix-driven organic light-emitting display panel.
15. A display device, comprising the display panel according to claim 1 .
16. The display device of claim 15 , further comprising a photographing component disposed at a back side of the display panel and configured to collect lights passed through the display panel to acquire an image of an object located at a light emitting side of the display panel.