Display backplate and method for manufacturing same, display panel and method for manufacturing same, and display device

A display device, comprising:

• a display backplate and a plurality of micro light-emitting diodes on the display backplate, wherein any one of the plurality of micro light-emitting diodes comprises a first electrode and a second electrode, wherein the first electrode and the second electrode are respectively connected to a pair of connection structures,
• wherein the display backplate comprises:
• an array substrate and a plurality of pairs of connection structures on a surface of the array substrate;
• wherein
• the array substrate comprises a plurality of thin-film transistors and a common electrode signal line, wherein at least one of the plurality of thin-film transistors is connected to one of a pair of connection structures, and the common electrode signal line is connected to the other of the pair of the connection structures;
• and
• an area of a first section of the connection structure is negatively correlated with a distance between the first section and the surface of the array substrate, and the first section is parallel to the surface of the array substrate,
• wherein the plurality of pairs of connection structures are formed by:
• providing a base;
• forming a recess on one side of the base;
• and forming the connection structure at least in the recess, wherein an area of a second section of the recess is negatively correlated with a distance between the second section and the surface of the array substrate, and the second section is parallel to the surface of the array substrate.

A method for manufacturing a display backplate, comprising:

• forming a plurality of pairs of connection structures;
• and
• forming an array substrate, on a surface of which the plurality of pairs of connection structures are disposed, wherein the array substrate comprises a plurality of thin-film transistors and a common electrode signal line, wherein at least one of the plurality of thin-film transistors is connected to one of a pair of connection structures and the common electrode signal line is connected to the other of the pair of connection structures;
• and
• an area of a first section of the connection structure is negatively correlated with a distance between the first section and the surface of the array substrate, and the first section is parallel to the surface of the array substrate,
• wherein forming the plurality of pairs of connection structures comprises:
• providing a base;
• forming a recess on one side of the base, wherein an area of a second section of the recess is negatively correlated with a distance between the second section and the surface of the array substrate, and the second section is parallel to the surface of the array substrate;
• and
• forming the connection structure at least in the recess.