Display apparatus and method of manufacturing the same

A display apparatus, comprising:

• a substrate;
• a thin-film transistor on the substrate, the thin-film transistor including a semiconductor layer and a gate electrode;
• a storage capacitor on the substrate;
• an organic interlayer insulating layer covering the gate electrode and the storage capacitor;
• a conductive layer on the organic interlayer insulating layer;
• a contact hole penetrating through the organic interlayer insulating layer and exposing the semiconductor layer or one electrode of the storage capacitor;
• and
• a protruding portion between the substrate and the organic interlayer insulating layer, the protruding portion corresponding to the contact hole,
• wherein a portion of the conductive layer is embedded in the contact hole and contacts the semiconductor layer or the storage capacitor.

A method of manufacturing a display apparatus that includes a thin-film transistor that includes a semiconductor layer and a gate electrode, the method comprising:

• forming at least one protruding portion at a pre-set location on a substrate;
• forming the semiconductor layer such that at least a portion of the semiconductor layer is provided on the at least one protruding portion;
• forming a first gate insulating layer to cover the semiconductor layer on the substrate;
• forming the gate electrode on the first gate insulating layer such that the gate electrode overlaps the semiconductor layer;
• forming an organic interlayer insulating layer to cover the gate electrode on the substrate;
• and
• forming an organic contact hole penetrating through the organic interlayer insulating layer to correspond to the at least one protruding portion.