Display panel, manufacturing method of the same, and display device

A manufacturing method of a display panel, including steps of forming a touch scanning electrode and forming a touch sensing electrode, wherein, the step of forming the touch scanning electrode and/or forming the touch sensing electrode includes:

• forming an amorphous electrode sub-layer film, a separation layer film, and an amorphous electrode sub-layer film successively on a substrate;
• performing a patterning process on the amorphous electrode sub-layer film, the separation layer film, and the amorphous electrode sub-layer film, so as to form a pattern including the touch scanning electrode or the touch sensing electrode;
• and
• crystallizing the touch scanning electrode and/or the touch sensing electrode made of an electrode material capable of being transformed from an amorphous state into a polycrystalline state,
• wherein before performing the patterning process on the amorphous electrode sub-layer film, the separation layer film, and the amorphous electrode sub-layer film, the manufacturing method further includes forming additional separation layer films and additional amorphous electrode sub-layer films successively on the electrode sub-layer film which is far away from the substrate, until a sum of thicknesses of all of the amorphous electrode sub-layer films which constitute the touch scanning electrode or the touch sensing electrode and the separation layer films is within a predetermined thickness range for the touch scanning electrode or the touch sensing electrode, wherein the predetermined thickness range is from 800 Å to 6000 Å.