Organic light emitting diode display panel, touch control structure and display device

A display panel, comprising:

• a substrate, a display structure layer disposed on the substrate and a touch control structure layer disposed on the display structure layer, wherein:
• the display structure layer comprises a light-emitting region and a non-light-emitting region, the light-emitting region comprises a plurality of periodically-arranged subpixels, and the non-light-emitting region comprises subpixel boundaries between adjacent subpixels;
• the touch control structure layer comprises a plurality of mesh pattern units which are polygons formed by metal wires, and a region enclosed by orthographic projections of the metal wires on the substrate contains an orthographic projection of at least one subpixel on the substrate, and orthographic projections of subpixel boundaries on the substrate contain the orthographic projections of the metal wires on the substrate;
• the touch control structure layer comprises a bridge layer, an insulating layer and a touch control layer which are in a stacked arrangement, wherein the touch control layer comprises a plurality of first touch control electrodes, a plurality of first connecting parts arranged sequentially along a first extending direction and a plurality of second touch control electrodes arranged sequentially along a second extending direction, wherein the first extending direction intersects with the second extending direction;
• the plurality of first touch control electrodes and the plurality of first connecting parts are arranged alternately and connected in sequence, and the plurality of second touch control electrodes are arranged at intervals;
• the bridge layer comprises connecting bridges connected with adjacent second touch control electrodes;
• the touch control structure layer comprises a boundary region, and each mesh pattern unit located in the boundary region is provided with cuts for disconnecting the metal wires of the mesh pattern units, which enable each mesh pattern unit to be divided into two parts respectively belonging to the first touch control electrodes and the second touch control electrodes;
• the mesh pattern unit at least comprises two mutually parallel first sides and two mutually parallel second sides, wherein the first sides and the second sides are non-parallel;
• the cuts comprise consecutive cuts, a quantity of cuts in the consecutive cuts is less than or equal to 3, the consecutive cuts are cuts which are provided on both of the two first sides of each mesh pattern unit in at least one mesh pattern unit arranged continuously along a first direction, wherein the first direction intersects with the first sides of each mesh pattern unit, or the consecutive cuts are cuts which are provided on both of the two second sides of each mesh pattern unit in at least one mesh pattern unit arranged continuously along a second direction, wherein the second direction intersects with the second sides of each mesh pattern unit;
• the touch control structure layer further comprises a bulk region and a bridge region, the bulk region comprises the first touch control electrodes and the second touch control electrodes, the bridge region comprises first connecting parts and second connecting parts;
• the plurality of mesh pattern units are divided into a plurality of repeating units, each repeating unit comprises part of the plurality of mesh pattern units, the plurality of repeating units are repeatedly and continuously arranged for forming the touch control structure layer, the repeating units are divided into first repeating units containing the mesh pattern units with cuts in the boundary region, second repeating units containing the mesh pattern units with cuts in the bulk region and third repeating units containing the mesh pattern units with cuts in the bridge region;
• and
• a ratio of a cut density of the first repeating units to a cut density of the second repeating units is 0.7-1.3;
• a ratio of a cut density of the first repeating units to a cut density of the third repeating units is 0.7-1.3;
• a ratio of a cut density of the second repeating units to a cut density of the third repeating units is 0.7-1.3;
• wherein the cut density is a ratio of a quantity of cuts in the repeating units to a quantity of the mesh pattern units in the repeating units.