Nanorod light-emitting device, method of manufacturing the nanorod light-emitting device, and display apparatus including the nanorod lightemitting device

A display apparatus comprising:

• a plurality of pixel electrodes;
• a common electrode corresponding to the plurality of pixel electrodes;
• and
• a plurality of nanorod light-emitting devices connected between the plurality of pixel electrodes and the common electrode,
• wherein each of the plurality of nanorod light-emitting devices comprises:
• a semiconductor light-emitting structure having a nanorod shape;
• a surface activation layer provided on a sidewall of the semiconductor light-emitting structure;
• and
• an epitaxial passivation layer provided on the surface activation layer.

A method of manufacturing a nanorod light-emitting device, the method comprising:

• forming, on a substrate, a first semiconductor layer doped to a first conductivity type;
• forming an emission layer on the first semiconductor layer;
• forming, on the emission layer, a second semiconductor layer doped to a second conductivity type different from the first conductivity type;
• forming a plurality of semiconductor light-emitting structures by patterning the first semiconductor layer, the emission layer, and the second semiconductor layer into a plurality of nanorod shapes;
• forming a surface activation layer on sidewalls of the plurality of semiconductor light-emitting structures;
• and
• forming an epitaxial passivation layer on the surface activation layer.