Touch structure, touch display panel and display device

A touch structure, arranged on a side of a display substrate, wherein the touch structure comprises a plurality of first touch electrodes and a plurality of second touch electrodes, the first touch electrodes are distributed at intervals along a row direction, the first touch electrode comprises a plurality of first electrode blocks and an adapter bridge, the plurality of first electrode blocks are distributed at intervals along a column direction, the adapter bridge is connected to two adjacent first electrode blocks;

• the second touch electrodes are distributed at intervals along the column direction, the second touch electrode comprises a plurality of second electrode blocks connected in series along the row direction;
• the adapter bridge and the second touch electrode are intersected;
• the first electrode blocks and the second electrode are located at a same electrode layer, the adapter bridge is located at a side of the electrode layer, and an insulating layer is arranged between the adapter bridge and the electrode layer;
• each of the first touch electrode and the second touch electrode is a grid-shaped structure formed by a plurality of grid lines, a grid line of the adapter bridge is an adapter line, and a grid line of the first electrode block and a grid line of the second electrode block are channel lines;
• in the adapter bridge, the first electrode block connected to the adapter bridge and the second touch electrode intersected with the adapter bridge, a part of the adapter line overlaps with a part of a channel line of a boundary of at least one of the first electrode block or the second touch electrode;
• in the adapter line and the channel line that are overlapped, an extension direction of the adapter line is the same as an extension direction of the channel line, and an edge of an orthographic projection of the adapter line on the display substrate is coincident with an edge of an orthographic projection of the channel line on the display substrate;
• an orthographic projection of a boundary of the second touch electrode on the display substrate is discontinued at two sides of an orthographic projection of the adapter bridge on the display substrate.

A touch display panel, comprising:

• a display substrate;
• and
• a touch structure, arranged on a side of a display substrate, wherein the touch structure comprises a plurality of first touch electrodes and a plurality of second touch electrodes, the first touch electrodes are distributed at intervals along a row direction, the first touch electrode comprises a plurality of first electrode blocks and an adapter bridge, the plurality of first electrode blocks are distributed at intervals along a column direction, the adapter bridge is connected to two adjacent first electrode blocks;
• the second touch electrodes are distributed at intervals along the column direction, the second touch electrode comprises a plurality of second electrode blocks connected in series along the row direction;
• the adapter bridge and the second touch electrode are intersected;
• the first electrode blocks and the second electrode are located at a same electrode layer, the adapter bridge is located at a side of the electrode layer, and an insulating layer is arranged between the adapter bridge and the electrode layer;
• each of the first touch electrode and the second touch electrode is a grid-shaped structure formed by a plurality of grid lines, a grid line of the adapter bridge is an adapter line, and a grid line of the first electrode block and a grid line of the second electrode block are channel lines;
• and at least a side of the adapter bridge is connected to a guide portion disposed on the same layer as the adapter bridge;
• in the adapter bridge, the first electrode block connected to the adapter bridge and the second touch electrode intersected with the adapter bridge, the guide portion overlaps with at least one channel line of a boundary of one of the first electrode block and the second touch electrode, a part of the adapter line overlaps with a part of a channel line of a boundary of at least one of the first electrode block or the second touch electrode;
• and an adapter line connected to the guide portion overlaps with a part of the channel line of the boundary of one of the first electrode block and the second touch electrode;
• in the guide portion and the channel line that are overlapped, an extension direction of the guide portion is the same as an extension direction of the channel line, and at least partial edge of an orthographic projection of the guide portion on the display substrate is located outside an edge of an orthographic projection of the channel line on the display substrate;
• wherein the adapter bridge is arranged on a side of the display substrate, the insulating layer covers the adapter bridge, and the electrode layer is arranged on a surface of the insulating layer away from the display substrate.