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CN-224217087-U - Touch substrate and display device

CN224217087UCN 224217087 UCN224217087 UCN 224217087UCN-224217087-U

Abstract

The utility model relates to a touch substrate and a display device, wherein the touch substrate comprises a touch area and an edge area surrounding the touch area, the edge area comprises a binding area which is positioned at one side of the touch area in a first direction, the touch area is provided with a plurality of touch electrodes, the edge area is provided with a touch running line, one end of the touch running line is connected with the touch electrodes, the other end of the touch running line extends to the binding area, the touch running line comprises a plurality of first running lines which are arranged at intervals in parallel and a plurality of second running lines which are arranged at intervals in parallel, the first running lines and the second running lines are arranged in different layers, the extending directions of the first running lines and the second running lines are the same, the first running lines comprise first extending sections which extend along the first direction, the second running lines comprise second extending sections which extend along the first direction, the other ends of the touch running lines extend to the binding area, the touch running lines comprise at least one adjacent first running lines and one second running lines which are arranged alternately and at least one adjacent to the first running lines and one second running line which are not arranged.

Inventors

  • XU CHENG
  • LI LING
  • SHI TAO
  • ZHANG ZHI
  • LI BAORAN
  • WANG TAO

Assignees

  • 合肥鑫晟光电科技有限公司
  • 京东方科技集团股份有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (16)

  1. 1. The touch substrate is characterized by comprising a touch area and an edge area surrounding the periphery of the touch area, wherein the edge area comprises a binding area positioned at one side of the touch area in a first direction, the touch area is provided with a plurality of touch channels, the edge area is provided with a touch wire, one end of the touch wire is connected with the touch channels, and the other end of the touch wire extends to the binding area; The touch control wires comprise a plurality of first wires arranged at intervals in parallel and a plurality of second wires arranged at intervals in parallel, the first wires and the second wires are arranged in different layers, and the extending directions of the first wires and the second wires are the same; The first wiring comprises a first extending section extending along the first direction, the second wiring comprises a second extending section extending along the first direction, the first extending section and the second extending section are alternately arranged in a second direction parallel to the touch area and perpendicular to the first direction, and at least one touch channel is arranged between two touch channels correspondingly connected with the first extending section and the second extending section in a spacing mode.
  2. 2. The touch substrate according to claim 1, wherein in the first direction, the touch area includes a first area and a second area that are adjacently disposed, a plurality of the first wires are connected to the touch channels of the first area, and a plurality of the second wires are connected to the touch channels of the second area.
  3. 3. The touch substrate according to claim 2, wherein the first extension section of the mth first trace led out from the first area and the second extension section of the mth second trace led out from the second area are adjacently arranged in the second direction, and m is a positive integer greater than or equal to 1; The first area is located in one side, far away from the binding area, of the second area, the mth second wiring comprises a third extension section, one end of the third extension section is led out of the second area, the other end of the third extension section is connected with the second extension section of the mth second wiring, and the third extension section is perpendicular to the second extension section.
  4. 4. The touch substrate according to claim 2, wherein the first extension section of the mth first trace led out from the first area and the second extension section of the mth second trace led out from the second area are adjacently arranged in the second direction, and m is a positive integer greater than or equal to 1; The first area is located in one side, far away from the binding area, of the second area, the mth second wiring comprises an outgoing line end led out by the second area and an overline part located between the outgoing line end and the second extension section, the overline part comprises m-1 step-type overline sections which are in one-to-one correspondence with the m-1 first wiring, the step-type overline sections comprise first overline sections parallel to the second extension section and second overline sections which are arranged at angles with the first overline sections, and the second overline sections are arranged in a crossing mode with the corresponding first wiring.
  5. 5. The touch substrate according to claim 1, wherein in the first direction, the touch area includes at least one first area and at least two second areas alternately arranged, or the touch area includes at least two first areas and at least one second area alternately arranged; The first wires are connected with the touch control channels of the first area, and the second wires are connected with the touch control channels of the second area.
  6. 6. The touch substrate according to claim 5, wherein, along the first direction, the touch region includes the first region and the second region that are adjacently disposed, wherein the first extension of the mth first trace led out from the first region and the second extension of the mth second trace led out from the second region are adjacently disposed, and m is a positive integer greater than or equal to 1; The first area is located in one side, far away from the binding area, of the second area, the mth second wiring comprises a third extension section, one end of the third extension section is led out of the second area, the other end of the third extension section is connected with the second extension section of the mth second wiring, and the third extension section is perpendicular to the second extension section.
  7. 7. The touch substrate according to claim 5, wherein, along the first direction, the touch region includes the first region and the second region that are adjacently disposed, wherein the first extension of the mth first trace led out from the first region and the second extension of the mth second trace led out from the second region are adjacently disposed, and m is a positive integer greater than or equal to 1; The first area is located in one side, far away from the binding area, of the second area, the mth second wiring comprises an outgoing line end led out by the second area and an overline part located between the outgoing line end and the second extension section, the overline part comprises m-1 step-type overline sections which are in one-to-one correspondence with the m-1 first wiring, the step-type overline sections comprise first overline sections parallel to the second extension section and second overline sections which are arranged at angles with the first overline sections, and the second overline sections are arranged in a crossing mode with the corresponding first wiring.
  8. 8. The touch substrate according to claim 2, further comprising a touch chip, wherein the touch chip comprises a plurality of bonding pins bonded and connected with the touch trace, the plurality of bonding pins are sequentially numbered in an extending direction of the touch chip, the plurality of touch channels are sequentially numbered in the first direction, and the plurality of bonding pins are in one-to-one correspondence with the numbers of the touch channels correspondingly connected with the plurality of touch traces.
  9. 9. The touch substrate according to claim 8, wherein in an extending direction of the touch chip, the touch chip includes a third area in binding connection with the first trace and a fourth area in binding connection with the second trace.
  10. 10. The touch substrate according to claim 9, wherein the first extension section of the mth first trace led out from the first area and the second extension section of the mth second trace led out from the second area are adjacently arranged in the second direction, and m is a positive integer greater than or equal to 1; The m-th second wiring comprises a fifth extending section, one end of the fifth extending section is connected with the second extending section, the other end of the fifth extending section spans m-1 first wirings and is connected with the binding pins of the fourth area, and the fifth extending section is perpendicular to the second extending section.
  11. 11. The touch substrate of claim 1, further comprising a touch chip, wherein the touch chip comprises a plurality of bonding pins connected with the touch trace in a bonding manner, the plurality of bonding pins are connected with the plurality of touch traces in a one-to-one correspondence manner, the plurality of bonding pins comprise a first bonding pin connected with the first trace in a bonding manner and a second bonding pin connected with the second trace in a bonding manner, and the first bonding pins and the second bonding pins are alternately arranged.
  12. 12. The touch substrate of claim 11, wherein the first trace comprises a fourth extension segment between the first extension segment and the bonding pad, the second trace comprises a fifth extension segment between the second extension segment and the bonding pad, and the fourth extension segment and the fifth extension segment are disposed in a non-overlapping manner in a direction perpendicular to the touch region.
  13. 13. The touch substrate according to claim 1, wherein an insulating layer is disposed between the first trace and the second trace, a via hole is disposed on the insulating layer, and the bonding region is provided with a connection electrode connected to the first trace or the second trace through the via hole.
  14. 14. The touch substrate according to claim 1, wherein the touch channels are sense electrode channels and/or drive electrode channels.
  15. 15. The touch substrate of claim 1, wherein the touch electrode bodies in the touch channels are arranged in a single layer or a double layer.
  16. 16. A display device comprising the touch substrate of any one of claims 1-15.

Description

Touch substrate and display device Technical Field The utility model relates to the technical field of manufacturing of display products, in particular to a touch substrate and a display device. Background With rapid development of touch technology, touch substrates are increasingly widely applied, and based on market demands, touch substrates also tend to have narrow frames. Specifically, the touch substrate comprises a touch electrode and touch wires for providing signals for the touch electrode, wherein the touch wires are distributed around the touch substrate, the touch screen in the related art adopts metal wires as the touch wires, and the touch wires comprise a plurality of wires arranged at intervals. In the related art, the touch control wiring adopts a single-layer distributed setting mode, and the proportion of the wiring area in the touch control screen to occupy the frame is larger, so that the frame of the touch control screen is wider, and the touch control screen cannot meet the design requirement of a narrow frame. In the related art, in order to solve the problem that the wiring area is wider and the narrow frame is limited, the TOUCH wirings are arranged in a double-layer wiring mode, and the TOUCH wirings positioned on different layers are alternately arranged, but as the TOUCH IC (TOUCH IC) performs coordinate operation, information of adjacent TOUCH channels is called for assisting in calculation, so that the coupling capacitance between the adjacent TOUCH channels greatly interferes with the operation result, and TOUCH abnormality is caused. Disclosure of utility model In order to solve the technical problems, the utility model provides a touch substrate and a display device, which solve the problem that the touch wires adopt a double-layer wiring mode, and the coupling capacitance between adjacent touch channels interferes with the touch IC operation structure, so that the touch is abnormal. In order to achieve the above purpose, the technical scheme adopted by the embodiment of the utility model is that the touch substrate comprises a touch area and an edge area surrounding the touch area, wherein the edge area comprises a binding area positioned at one side of the touch area in a first direction, the touch area is provided with a plurality of touch channels, the edge area is provided with a touch wire, one end of the touch wire is connected with the touch channels, and the other end of the touch wire extends to the binding area; The touch control wires comprise a plurality of first wires arranged at intervals in parallel and a plurality of second wires arranged at intervals in parallel, the first wires and the second wires are arranged in different layers, and the extending directions of the first wires and the second wires are the same; The first wiring comprises a first extending section extending along the first direction, the second wiring comprises a second extending section extending along the first direction, the first extending section and the second extending section are alternately arranged in a second direction parallel to the touch area and perpendicular to the first direction, and at least one touch electrode is arranged between two touch channels connected with the first extending section and the second extending section correspondingly at intervals. Optionally, in the first direction, the touch area includes a first area and a second area that are adjacently disposed, a plurality of first wires are connected with a touch channel of the first area, and a plurality of second wires are connected with a touch channel of the second area. Optionally, the first extension section of the mth first wire led out from the first area and the second extension section of the mth second wire led out from the second area are adjacently arranged in the second direction, and m is a positive integer greater than or equal to 1; The first area is located in one side, far away from the binding area, of the second area, the mth second wiring comprises a third extension section, one end of the third extension section is led out of the second area, the other end of the third extension section is connected with the second extension section of the mth second wiring, and the third extension section is perpendicular to the second extension section. Optionally, the first extension section of the mth first wire led out from the first area and the second extension section of the mth second wire led out from the second area are adjacently arranged in the second direction, and m is a positive integer greater than or equal to 1; The first area is located in one side, far away from the binding area, of the second area, the mth second wiring comprises an outgoing line end led out by the second area and an overline part located between the outgoing line end and the second extension section, the overline part comprises m-1 step-type overline sections which are in one-to-one correspondence with the m-1 fir