Display apparatuses, display panels, and methods of manufacturing display panels

A display apparatus, comprising a display panel which comprises:

• a base substrate, comprising a display area and a frame area surrounding the display area;
• a conductive layer, disposed in the frame area;
• an organic insulating structure and a first organic convex ring, disposed on a side of the conductive layer away from the base substrate, with a first isolation trench between the organic insulating structure and the first organic convex ring for exposing the conductive layer;
• and
• a cathode material layer, disposed on a side of the organic insulating structure away from the base substrate, wherein a ratio of a width of the first isolation trench to a maximum allowable fluctuation for a distance between an edge position of the cathode material layer and an edge of the organic insulating structure ranges from 0.025 to 0.218.

A method of manufacturing a display panel, comprising:

• providing a base substrate that comprises a display area and a frame area surrounding the display area, and forming a conductive layer in the frame area;
• forming an organic insulating structure and a first organic convex ring on a side of the conductive layer away from the base substrate, with a first isolation trench between the organic insulating structure and the first organic convex ring for exposing the conductive layer;
• and
• forming a cathode material layer on a side of the organic insulating structure away from the base substrate, and controlling a ratio of a width of the first isolation trench to a maximum allowable fluctuation for a distance between an edge position of the cathode material layer and an edge of the organic insulating structure to range from 0.025 to 0.218.