The disclosure provides a display panel, a manufacturing method thereof and a displaying device. The display panel comprises a plurality of display units, and each display unit has an active area for display and an induction area for identifying fingerprints. The display unit comprises a substrate, a planarization layer, a pixel unit and an induction electrode, wherein the planarization layer is arranged on the substrate and comprises a first area and a second area, the first area is opposite to the active area, and the second area is opposite to the induction area and is provided with a concave-convex structure; the pixel unit is arranged on the planarization layer and located in the first area; and the induction electrode is arranged on the planarization layer and covers a concave-convex surface of the concave-convex structure.