Display panel, manufacturing method thereof and display device

A method for manufacturing a display panel, comprising:

• providing a substrate;
• forming an anode by depositing and patterning on the substrate;
• forming a pixel-defining layer by depositing and patterning, and forming a plurality of opening areas;
• forming a plurality of first partition structures by sequentially depositing and patterning a conductive portion material and a partition portion material on the pixel-defining layer;
• forming, by depositing an anode auxiliary electrode material and a light-emitting functional layer material, an anode auxiliary electrode and a light-emitting functional layer in each of the plurality of opening areas through the plurality of first partition structures;
• forming a cathode to form a plurality of light-emitting elements in the plurality of opening areas;
• and
• forming a display panel.

A display device, comprising a display panel and a driving circuit configured to drive the display panel;

• wherein the display panel comprises:
• a substrate;
• a pixel-defining layer, disposed on the substrate and provided with a plurality of opening areas;
• and
• a plurality of light-emitting elements, arranged in an array on the substrate and respectively located in the plurality of opening areas;
• wherein each of the plurality of light-emitting elements comprises an anode, a light-emitting functional layer and a cathode, the anode is disposed on the substrate, the light-emitting functional layer is disposed on the anode, and the cathode is disposed on the light-emitting functional layer;
• each of the plurality of light-emitting elements further comprises an anode auxiliary electrode, the anode auxiliary electrode is disposed between the anode and the light-emitting functional layer, the anode auxiliary electrode is formed of one or more of metal, metal alloy, or metal oxide;
• and
• the display panel further comprises a plurality of first partition structures, disposed on the pixel-defining layer, each of the plurality of first partition structures comprises a conductive portion and a partition portion, the partition portion is disposed on the conductive portion, the radial width of the partition portion is greater than that of the conductive portion, and each of the plurality of first partition structures is configured to separate at least one of:
• (a) the anode auxiliary electrodes, (b) the light-emitting functional layers, of two adjacent light-emitting elements when depositing an entire surface of the anode auxiliary electrodes and the light-emitting functional layer.