Display panel, manufacturing method thereof, and display apparatus

A manufacturing method of a display panel, comprising:

• forming an array substrate having a display area, wherein the display area comprises a plurality of sub-pixel regions comprising a plurality of display sub-pixel regions and a plurality of backup sub-pixel regions, and the plurality of display sub-pixel regions and the plurality of backup sub-pixel regions are arranged alternately in both a first direction and a second direction that intersect with each other;
• forming a display anode and a display cathode in each of the plurality of display sub-pixel regions, and forming at least one backup anode and a backup cathode in each of at least one of the plurality of backup sub-pixel regions, wherein the display anode provided in each of at least one of the plurality of display sub-pixel regions is electrically connected to at least two backup anodes respectively provided in at least two of the plurality of backup sub-pixel regions, and/or the at least one backup anode comprises at least two backup anodes electrically connected, in one-to-one correspondence, to at least two display anodes respectively located in at least two of the plurality of display sub-pixel regions;
• forming a plurality of display light-emitting diodes on a growth substrate;
• transferring and bonding the plurality of display light-emitting diodes to the plurality of display sub-pixel regions, wherein each of the plurality of display light-emitting diodes comprises a positive pin bonded to the display anode provided in one of the plurality of display sub-pixel regions and a negative pin bonded to the display cathode provided in the one of the plurality of display sub-pixel regions;
• and
• detecting whether at least one display light-emitting diode of the plurality of display light-emitting diodes is incapable of emitting light or not, and in response to detecting the at least one display light-emitting diode being incapable of emitting light, bonding a backup light-emitting diode to one backup anode of the at least one backup anode and the backup cathode corresponding to the one backup anode, the one backup anode being electrically connected to one of the at least one display light-emitting diode.

The manufacturing method according to claim 18, wherein said bonding the backup light-emitting diode to the one backup anode electrically connected to one of the at least one display light-emitting diode and the backup cathode corresponding to the one backup anode comprises:

• acquiring a position of the one backup anode that is electrically connected to the positive pin of the one of the at least one display light-emitting diode;
• acquiring a position of the backup anode that is electrically connected to the one of the at least one display anode;
• and
• adjusting a bonding position of the backup light-emitting diode, bonding a positive pin of the backup light-emitting diode to the acquired backup anode, and bonding a negative pin of the backup light-emitting diode to the backup cathode that is located in a backup sub-pixel region where the acquired backup anode is located.

A display apparatus, comprising:

• a display panel, wherein the display panel comprises:
• an array substrate having a display area, wherein the display area comprises a plurality of sub-pixel regions comprising a plurality of display sub-pixel regions and a plurality of backup sub-pixel regions, and the plurality of display sub-pixel regions and the plurality of backup sub-pixel regions are arranged alternately in both a first direction and a second direction that intersect with each other;
• a display anode and a display cathode are provided in each of the plurality of display sub-pixel regions, and at least one backup anode and a backup cathode are provided in each of at least one of the plurality of backup sub-pixel regions;
• and the display anode provided in each of at least one of the plurality of display sub-pixel regions is electrically connected to at least two backup anodes respectively provided in at least two of the plurality of backup sub-pixel regions, and/or the at least one backup anode comprises at least two backup anodes electrically connected, in one-to-one correspondence, to at least two display anodes respectively located in at least two of the plurality of display sub-pixel regions;
• and
• a plurality of light-emitting diodes comprising a plurality of display light-emitting diodes, wherein the plurality of display light-emitting diodes is in one-to-one correspondence with the plurality of display sub-pixel regions, and each of the plurality of display light-emitting diodes comprises a positive pin bonded to the display anode provided in one display sub-pixel region of the plurality of display sub-pixel regions corresponding to the display light-emitting diode, and a negative pin bonded to the display cathode provided in the one display sub-pixel region.