Display apparatus and method of manufacturing the same

A display apparatus comprising:

• a substrate including a display area and a peripheral area disposed outside the display area;
• a pad part disposed in the peripheral area on the substrate and including a first area including an organic material and a second area disposed outside the first area;
• a wiring part overlapping the second area and including a first wiring and a second wiring;
• and
• a passivation layer including a plurality of grooves defined between the first wiring and the second wiring and at a protrusion disposed between two adjacent grooves among the grooves.

A method of manufacturing a display apparatus, the method comprising:

• providing an insulation interlayer on a substrate, wherein the insulation interlayer includes a first groove and a second groove;
• providing a first pad and a second pad on the insulation interlayer with the first groove and the second groove disposed therebetween;
• providing an insulation layer on the first pad and the second pad;
• and
• forming a third groove overlapping the first groove and a fourth groove overlapping the second groove in the insulation layer.