Organic light-emitting display panel and fabrication method thereof

An organic light-emitting display panel, comprising:

• an organic light-emitting element array substrate;
• a thin film encapsulation layer covering the organic light-emitting element array substrate;
• and
• a plurality of first touch-control electrodes and a plurality of second touch-control electrodes,
• wherein the thin film encapsulation layer includes at least one inorganic layer, a first organic layer and a second organic layer that are stacked,
• a first plurality of first groove structures and a second plurality of first groove structures are configured in the first organic layer and the second organic layer, respectively, sidewalls of the first and second plurality of first groove structures being arc-shaped,
• the plurality of first and second touch-control electrodes are disposed in the first and second plurality of first groove structures, respectively, and
• the first organic layer and the second organic layer each has a slope structure connected with the first and second plurality of first groove structures, respectively.