Semiconductor light-emitting element and display device

A display device, comprising:

• a substrate comprising a plurality of sub-pixels;
• a plurality of first assembling wirings in the plurality of sub-pixels, respectively;
• a plurality of second assembling wirings in the plurality of sub-pixels, respectively;
• a partition wall having a plurality of assembly holes in the plurality of sub-pixels, respectively;
• a plurality of semiconductor light-emitting elements in the plurality of assembly holes, respectively;
• and
• a plurality of connection electrodes,
• wherein each of the plurality of semiconductor light-emitting elements comprises:
• a light-emitting portion;
• a first electrode under the light-emitting portion;
• a second electrode on the light-emitting portion;
• a passivation layer configured to surround the light-emitting portion;
• and
• a first structure configured to surround the passivation layer, and
• wherein each of the connection electrodes is configured to connect the first electrode of each of the plurality of semiconductor light-emitting elements to at least one of the first assembling wiring or the second assembling wiring.