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CN-121996100-A - Display panel and display device

CN121996100ACN 121996100 ACN121996100 ACN 121996100ACN-121996100-A

Abstract

The application provides a display panel and a display device, wherein the display panel comprises a substrate, a data signal wire, a touch control wiring and a touch control electrode, the data signal lines are arranged on one side of the substrate, extend along a first direction, and comprise a first signal line and a second signal line. The touch control wire is arranged on one side of the substrate and extends along the first direction. The touch electrode is arranged on one side of the touch wiring away from the substrate, the touch electrodes are arranged at intervals in the first direction, and the touch wiring is electrically connected with the touch electrode. The touch control wiring electrically connected with the single touch control electrode is in orthographic projection of the substrate, the orthographic projection of the first signal line and the second signal line on the substrate is overlapped or adjacently arranged in a second direction, the voltage polarities of the first signal line and the second signal line opposite to the touch control electrode are opposite, and the first direction and the second direction are intersected and are parallel to the plane of the substrate.

Inventors

  • LIN YIQIANG
  • QIU DONGXU

Assignees

  • 厦门天马微电子有限公司

Dates

Publication Date
20260508
Application Date
20260119

Claims (17)

  1. 1. A display panel, comprising: A substrate; A data signal line disposed on one side of the substrate, the data signal line extending along a first direction, the plurality of data signal lines including a first signal line and a second signal line; The touch control wiring is arranged on one side of the substrate and extends along the first direction; The touch electrode is arranged on one side, away from the substrate, of the touch wire, a plurality of touch electrodes are arranged at intervals in the first direction, and the touch wire is electrically connected with the touch electrode; Wherein the touch trace electrically connected with a single touch electrode is in orthographic projection on the substrate, overlapped with the orthographic projection of the substrate or adjacently arranged in a second direction relative to the first signal line and the second signal line, the voltage polarities of the first signal line and the second signal line relative to the touch electrode are opposite, and the first direction and the second direction are intersected and are parallel to the plane of the substrate.
  2. 2. The display panel according to claim 1, wherein the plurality of touch wirings include a first touch line and a second touch line electrically connected to the same touch electrode, the display panel further includes pixel electrodes, and the plurality of pixel electrodes arranged in the first direction together constitute an electrode column; The first touch control line is overlapped with the front projection of the first signal line on the substrate or is adjacently arranged in the second direction, the front projection of the first touch control line on the substrate is positioned between the front projections of the adjacent two electrode columns on the substrate, the second touch control line is overlapped with the front projection of the second signal line on the substrate or is adjacently arranged in the second direction, and the front projection of the first touch control line on the substrate is positioned between the front projections of the adjacent two electrode columns on the substrate.
  3. 3. The display panel of claim 2, further comprising a connection line extending along the second direction and connected to the first touch line and the second touch line.
  4. 4. The display panel of claim 2, wherein in the second direction, the first signal line and the second signal line are located on the same side of the first touch line and the second touch line, respectively, and/or, In the second direction, a distance between the first signal line and the first touch line is equal to a distance between the second signal line and the second touch line.
  5. 5. The display panel according to claim 2, further comprising a plurality of pixel circuits provided corresponding to the plurality of pixel electrodes, the pixel circuits including switching transistors; the first signal line and the second signal line are respectively and electrically connected with the switching transistors in different pixel circuits.
  6. 6. The display panel according to claim 1, further comprising pixel electrodes, a plurality of the pixel electrodes arranged in the first direction together constituting an electrode column; the single touch control wiring, the first signal line and the second signal line are all positioned between the orthographic projections of the adjacent two electrode columns on the substrate.
  7. 7. The display panel according to claim 6, wherein the first signal line and the second signal line are disposed on two sides of the touch trace in the second direction.
  8. 8. The display panel of claim 7, wherein a distance between the first signal line and the touch trace in the second direction is equal to a distance between the second signal line and the touch trace.
  9. 9. The display panel according to claim 6, further comprising a plurality of pixel circuits provided corresponding to the plurality of pixel electrodes, the pixel circuits including switching transistors; the first signal line is electrically connected with the switching transistor in the pixel circuit, and the second signal line is arranged at intervals with the switching transistor in the pixel circuit.
  10. 10. The display panel according to claim 9, wherein the plurality of data signal lines includes a third signal line, the third signal line and the first signal line are respectively electrically connected to switching transistors in different ones of the pixel circuits, the second signal line is connected in parallel with the third signal line, or The second signal line is arranged in an insulating manner with any pixel circuit.
  11. 11. The display panel according to claim 1, further comprising a plurality of gate signal lines and a plurality of multiplexing circuits, the plurality of multiplexing circuits including a first distribution circuit and a second distribution circuit, the first signal line being electrically connected to the first distribution circuit, the second signal line being electrically connected to the second distribution circuit; The first distribution circuit comprises a plurality of first gating modules, the input ends of the first gating modules are connected in parallel with the first input end, the output ends of the first gating modules are respectively and electrically connected with different data signal lines, and the control ends of the first gating modules are respectively and electrically connected with different gating signal lines; The second distribution circuit comprises a plurality of second gating modules, the input ends of the second gating modules are connected in parallel with the second input ends, the output ends of the second gating modules are respectively and electrically connected with different data signal lines, and the control ends of the second gating modules are respectively and electrically connected with different gating signal lines; the control end of the first gating module electrically connected with the first signal line is electrically connected with the same gating signal line as the control end of the second gating module electrically connected with the second signal line.
  12. 12. The display panel according to claim 11, wherein, in adjacent two of the data signal lines, one of the data signal lines is electrically connected to the first distribution circuit, and the other of the data signal lines is electrically connected to the second distribution circuit; the first signal line and the second signal line are two adjacent data signal lines, or n data signal lines are arranged between the first signal line and the second signal line at intervals, and n is an even number.
  13. 13. The display panel according to claim 11, wherein the number of the first distribution circuits and the number of the second distribution circuits are plural, and the plural first distribution circuits and the plural second distribution circuits are alternately arranged in the second direction; The first signal line and the second signal line are respectively and electrically connected to the adjacent first distribution circuit and second distribution circuit.
  14. 14. The display panel according to claim 11, wherein the first distribution circuit and the second distribution circuit together constitute a repeating circuit unit in which a plurality of the first gate modules and a plurality of the second gate modules are alternately arranged in the second direction; The first gating module and the second gating module which are adjacent to each other correspond to the same gating signal line, and the first signal line and the second signal line are respectively and electrically connected with the first gating module and the second gating module which are adjacent to each other.
  15. 15. The display panel according to claim 11, wherein the plurality of gate signal lines include first gate lines corresponding to the first signal lines and the second signal lines, and wherein output timings of gate signals in the first gate lines are later than output timings of gate signals in the other gate signal lines in a single driving period.
  16. 16. The display panel of claim 1, wherein the touch trace is disposed on the same layer as the data signal line or the touch trace is disposed on a side of the data signal line facing away from the substrate.
  17. 17. A display device comprising the display panel according to any one of claims 1 to 16.

Description

Display panel and display device Technical Field The present application relates to the field of display devices, and in particular, to a display panel and a display device. Background With the continuous development of display technologies, such as Liquid crystal display (Liquid CRYSTAL DISPLAY, LCD) and Organic Light-Emitting Diode (OLED) display, display panels are widely used in various industries, but in the long-term use process of the display panels, problems such as abnormal display still occur easily. Disclosure of Invention The embodiment of the application provides a display panel and a display device, which can improve the display reliability. In a first aspect, an embodiment of the present application provides a display panel, where the display panel includes a substrate, a data signal line, a touch trace, and a touch electrode, the data signal line is disposed on one side of the substrate, the data signal line extends along a first direction, and the plurality of data signal lines includes a first signal line and a second signal line. The touch control wire is arranged on one side of the substrate and extends along the first direction. The touch electrode is arranged on one side of the touch wiring away from the substrate, the touch electrodes are arranged at intervals in the first direction, and the touch wiring is electrically connected with the touch electrode. The touch control wiring electrically connected with the single touch control electrode is in orthographic projection of the substrate, the orthographic projection of the first signal line and the second signal line on the substrate is overlapped or adjacently arranged in a second direction, the voltage polarities of the first signal line and the second signal line opposite to the touch control electrode are opposite, and the first direction and the second direction are intersected and are parallel to the plane of the substrate. In a second aspect, an embodiment of the present application provides a display device, including a display panel in any one of the foregoing embodiments. The embodiment of the application provides a display panel and a display device, wherein the polarities of a first signal wire and a second signal wire opposite to a touch electrode are opposite, so that when the same frame of picture is displayed, the first signal wire and the second signal wire respectively generate opposite coupling capacitance influences on touch wires overlapped with or adjacent to the front projection of the first signal wire and the second signal wire. On the basis, because the front projection of the first signal wire and the second signal wire is overlapped or adjacent to the touch wire is electrically connected to a single touch electrode, the coupling influence of the first signal wire and the second signal wire on the touch electrode can be counteracted, so that the potential influence of a data signal on the touch electrode is reduced, the risk of transverse and vertical stripes of the display panel is reduced, and the display reliability of the display panel is improved. Drawings In order to more clearly illustrate the technical solution of the embodiments of the present application, the drawings that are needed to be used in the embodiments of the present application will be briefly described, and it is possible for a person skilled in the art to obtain other drawings according to these drawings without inventive effort. Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present application; FIG. 2 is a schematic cross-sectional view of the structure at A-A in FIG. 1; FIG. 3 is a schematic diagram of a display panel according to another embodiment of the present application; FIG. 4 is a schematic cross-sectional view of the structure at B-B in FIG. 3; FIG. 5 is a schematic diagram of a display panel according to an embodiment of the present application; FIG. 6 is a schematic diagram of an electrical circuit of a display panel according to an embodiment of the present application; Fig. 7 is a schematic structural diagram of a display panel according to an embodiment of the present application; FIG. 8 is a schematic diagram of an electrical circuit of a display panel according to an embodiment of the present application; FIG. 9 is a schematic electrical diagram of yet another display panel provided in accordance with an embodiment of the present application; FIG. 10 is a schematic diagram of an electrical circuit of a further display panel provided by an embodiment of the present application; FIG. 11 is a schematic electrical diagram of yet another display panel provided in an embodiment of the present application; fig. 12 is a schematic structural diagram of a display device according to an embodiment of the present application. Marking: 100. display panel 200, display device 10. A substrate; 20. Data signal lines, 21, first signal lines, 22, second signal lines, 23, third signal line