Display panel and display device
By setting staggered electrode line projections in the display panel, the problem of large parasitic capacitance in the touch module is solved, resulting in a better handwriting experience and signal transmission efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SUZHOU GUOXIAN INNOVATION TECHNOLOGY CO LTD
- Filing Date
- 2025-01-03
- Publication Date
- 2026-07-14
AI Technical Summary
In existing display devices, the parasitic capacitance of the touch module is relatively large, which affects the handwriting experience.
By setting the orthographic projections of the first electrode line and the third electrode line on the substrate to intersect, and the orthographic projections of the second electrode line and the fourth electrode line on the substrate to intersect, that is, the orthographic projections of the first intersection on the substrate and the orthographic projections of the second intersection on the substrate are arranged in a cross pattern, the parasitic capacitance of the touch module is reduced.
It effectively reduces the parasitic capacitance of the display panel, improves the handwriting experience and signal strength, and enhances the signal transmission efficiency of the touch module.
Smart Images
Figure CN122387342A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of display technology, specifically to a display panel and a display device. Background Technology
[0002] In some electronic devices, in order to improve the handwriting experience, in addition to setting a capacitive touch detection film, an electromagnetic resonance (EMR) detection film is also set to detect the electromagnetic pen.
[0003] However, in existing display devices, the parasitic capacitance of the touch module is relatively large. Summary of the Invention
[0004] In view of this, embodiments of this application provide a display panel and a display device to solve the problem of large parasitic capacitance in the touch module of existing display devices.
[0005] A first aspect of this application provides a display panel, the display panel including a substrate and a touch module, the touch module being located on one side of the substrate, the touch module including a first conductive layer and a second conductive layer, the first conductive layer being located on one side of the substrate; the first conductive layer including at least one first electrode, the first electrode including at least one first intersection, the first intersection including intersecting first electrode lines and second electrode lines; the second conductive layer being located on the side of the first conductive layer away from the substrate; the second conductive layer including at least one second electrode, the second electrode including at least one second intersection, the second intersection including intersecting third electrode lines and fourth electrode lines; wherein, at least a portion of the orthographic projections of the first electrode lines on the substrate intersect with the orthographic projections of the third electrode lines on the substrate, and the orthographic projections of the second electrode lines on the substrate intersect with the orthographic projections of the fourth electrode lines on the substrate.
[0006] In one embodiment, the first electrode line and the second electrode line intersect at a first intersection point, and the third electrode line and the fourth electrode line intersect at a second intersection point; the orthographic projections of the first intersection point and the second intersection point on the substrate are arranged alternately; preferably, a plurality of first intersections are arranged in an array; a plurality of second intersections are arranged in an array; preferably, the first electrode lines and second electrode lines of adjacent first intersections intersect to form a first grid; the third electrode lines and fourth electrode lines of adjacent second intersections intersect to form a second grid; preferably, the centroids of the orthographic projections of the second intersection points on the substrate and the first grid on the substrate coincide, and the centroids of the orthographic projections of the first intersection points on the substrate and the second grid on the substrate coincide; preferably, at least one of the first grid and the second grid has a rhombus shape; preferably, the first electrode is a mesh electrode; preferably, the second electrode is a mesh electrode.
[0007] In one embodiment, the first electrode lines and second electrode lines of adjacent first intersections intersect to form a first grid; the third electrode lines and fourth electrode lines of adjacent second intersections intersect to form a second grid; the first conductive layer further includes at least one third intersection located within the first grid, the orthographic projection of the third intersection on the substrate and the orthographic projection of the second intersection on the substrate overlap, and the third intersection and the corresponding second intersection are electrically connected; the second conductive layer further includes at least one fourth intersection located within the second grid, the orthographic projection of the fourth intersection on the substrate and the orthographic projection of the first intersection on the substrate overlap, and the fourth intersection and the corresponding first intersection are electrically connected; preferably, the line width of the first intersection is smaller than the line width of the corresponding fourth intersection, and the line width of the second intersection is smaller than the line width of the corresponding third intersection.
[0008] In one embodiment, the touch module further includes an insulating layer located between the first conductive layer and the second conductive layer; preferably, the thickness of the insulating layer is greater than or equal to 0.5 micrometers and less than or equal to 2 micrometers; preferably, the thickness of the first conductive layer is greater than or equal to 0.7 micrometers and less than or equal to 1.2 micrometers; preferably, the touch module further includes a protective layer located on the side of the second conductive layer opposite to the first conductive layer.
[0009] In one embodiment, the insulating layer is provided with a plurality of first vias and a plurality of second vias; the orthographic projection of the first vias on the substrate and the orthographic projection of the third intersection on the substrate overlap, and the third intersection is electrically connected to the second intersection through the first vias; the orthographic projection of the second vias on the substrate and the orthographic projection of the fourth intersection on the substrate overlap, and the fourth intersection is electrically connected to the first intersection through the second vias; preferably, the third intersection corresponds to four first vias, and the orthographic projections of the four first vias on the substrate overlap with the orthographic projections of the four ends of the third intersection on the substrate; the fourth intersection corresponds to four second vias, and the orthographic projections of the four second vias on the substrate overlap with the orthographic projections of the four ends of the fourth intersection on the substrate.
[0010] In one embodiment, the third intersection and the corresponding second intersection are stacked and in contact, and the fourth intersection and the corresponding first intersection are stacked and in contact; preferably, the insulating layer includes a plurality of insulating portions, which are located between the first electrode line and the third electrode line, and between the second electrode line and the fourth electrode line; the intersection area of the orthographic projection of the first electrode line on the substrate and the orthographic projection of the third electrode line on the substrate, as well as the intersection area of the orthographic projection of the second electrode line on the substrate and the orthographic projection of the fourth electrode line on the substrate, are all located within the orthographic projection range of the insulating portion on the substrate.
[0011] In one embodiment, a portion of the first electrode line at the first intersection includes a first break, and the orthographic projection of the third electrode line on the substrate passes through the orthographic projection of the first break on the substrate; and / or a portion of the second electrode line at the first intersection includes a second break, and the orthographic projection of the fourth electrode line on the substrate passes through the orthographic projection of the second break on the substrate; and / or a portion of the third electrode line at the second intersection includes a third break, and the orthographic projection of the first electrode line on the substrate passes through the orthographic projection of the third break on the substrate; a portion of the fourth electrode line at the second intersection includes a fourth break, and the orthographic projection of the second electrode line on the substrate passes through the orthographic projection of the fourth break on the substrate; preferably, the plurality of first electrodes include a plurality of first touch electrodes and a plurality of first electromagnetic electrodes, the first touch electrodes and the first electromagnetic electrodes extending parallel to the substrate along a first direction, and the first touch electrodes and the first electromagnetic electrodes are alternately arranged along a second direction parallel to the substrate; the plurality of second electrodes include a plurality of second touch electrodes and a plurality of second electromagnetic electrodes, the second touch electrodes and the second electromagnetic electrodes extending along a second direction, and are alternately arranged along the first direction; preferably, the first direction and the second direction are perpendicular.
[0012] In one embodiment, the display panel further includes at least one sub-pixel located between the substrate and the touch module; preferably, the display panel further includes a thin-film encapsulation layer located between the sub-pixel and the touch module.
[0013] In one embodiment, the system further includes an integrated circuit, which is electrically connected to the touch module. Preferably, the touch module includes at least one touch unit. Preferably, sub-pixels and touch units are correspondingly arranged. Preferably, the plurality of first electrodes include a plurality of first touch electrodes and a plurality of first electromagnetic electrodes, which extend along a first direction and are alternately arranged along a second direction. The plurality of second electrodes include a plurality of second touch electrodes and a plurality of second electromagnetic electrodes, which extend along a second direction and are alternately arranged along the first direction. Preferably, the first touch electrode within the touch unit corresponding to the same sub-pixel is electrically connected to the integrated circuit via a connecting line. Preferably, the second touch electrode within the touch unit corresponding to the same sub-pixel is electrically connected to the integrated circuit via a connecting line. Preferably, the first electromagnetic electrode within the touch unit corresponding to the same sub-pixel is electrically connected to the integrated circuit via at least one connecting line. Preferably, the second electromagnetic electrode within the touch unit corresponding to the same sub-pixel is electrically connected to the integrated circuit via at least one connecting line. Preferably, the display panel includes a display area and a non-display area surrounding the display area, with the connecting line located in the non-display area.
[0014] A third aspect of this application provides a display device including the aforementioned display panel.
[0015] According to the display panel and display device provided in the embodiments of this application, by setting the orthographic projection of the first electrode line on the substrate and the orthographic projection of the third electrode line on the substrate to intersect, and the orthographic projection of the second electrode line on the substrate and the orthographic projection of the fourth electrode line on the substrate to intersect, that is, the orthographic projection of the first intersection on the substrate and the orthographic projection of the second intersection on the substrate are arranged in a cross-shaped staggered manner, the parasitic capacitance of the display panel is reduced. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of the display panel provided in the first embodiment of this application.
[0017] Figure 2 yes Figure 1 The diagram shows a partial electrode arrangement of the display panel.
[0018] Figure 3 yes Figure 2 A partial top view of the display panel.
[0019] Figure 4 This is a partial top view of the display panel provided in the second embodiment of this application.
[0020] Figure 5 yes Figure 4 The diagram shows a cross-sectional view of the display panel along the A-A' direction.
[0021] Figure 6 yes Figure 4 The diagram shows a cross-sectional view of the display panel along the B-B' direction.
[0022] Figure 7 This is a partial top view of the display panel provided in the third embodiment of this application.
[0023] Figure 8 yes Figure 7 The diagram shows a cross-sectional view of the display panel along the C-C' direction.
[0024] Figure 9 yes Figure 7 The diagram shows a cross-sectional view of the display panel along the D-D' direction.
[0025] Figure 10 This is a partial top view of the display panel provided in the fourth embodiment of this application.
[0026] Figure 11 This is a partial top view of the display panel provided in the seventh embodiment of this application.
[0027] Figure 12 This is a partial top view of the display panel provided in the eighth embodiment of this application.
[0028] Figure 13This is a partial top view of the display panel provided in the ninth embodiment of this application.
[0029] Figure 14 This is a partial top view of the display panel provided in the tenth embodiment of this application.
[0030] Figure 15 This is a schematic diagram of the structure of the display panel provided in the eleventh embodiment of this application.
[0031] Figure 16 This is a schematic diagram of the structure of the display panel provided in the twelfth embodiment of this application. Detailed Implementation
[0032] As mentioned in the background section, in order to improve the handwriting experience, some electronic devices, in addition to setting a capacitive touch detection film layer, also set an electromagnetic resonance (EMR) detection film layer for detecting electromagnetic pens. However, in existing display devices, the parasitic capacitance of the touch module is relatively large.
[0033] In view of this, the display panel and display device provided in the embodiments of this application reduce the parasitic capacitance of the touch module by setting the orthographic projections of the first electrode line on the substrate and the third electrode line on the substrate to intersect, and the orthographic projections of the second electrode line on the substrate and the fourth electrode line on the substrate to intersect, that is, the orthographic projections of the first intersection on the substrate and the orthographic projections of the second intersection on the substrate are arranged in a cross-shaped staggered manner.
[0034] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0035] Furthermore, to better illustrate this application, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this application can be implemented even without certain specific details. In some instances, methods and means well-known to those skilled in the art have not been described in detail in order to highlight the main points of this application.
[0036] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0037] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.
[0038] Figure 1 This is a schematic diagram of the structure of the display panel provided in the first embodiment of this application. Figure 2 yes Figure 1 The diagram shows a partial electrode arrangement of the display panel. Figure 3 yes Figure 2 The image shows a partial top view of the display panel. (See image.) Figures 1 to 3 As shown, the display panel includes a substrate 10 and a touch module. The touch module includes a first conductive layer 20 and a second conductive layer 30. The first conductive layer 20 is located on one side of the substrate 10 and includes at least one first electrode 21. The first electrode 21 includes at least one first intersection 211, and the first intersection 211 includes intersecting first electrode lines 2111 and second electrode lines 2112. The second conductive layer 30 is located on the side of the first conductive layer 20 away from the substrate 10. The second conductive layer 30 includes at least one second electrode 31, and the second electrode 31 includes at least one second intersection 311. The second intersection 311 includes intersecting third electrode lines 3111 and fourth electrode lines 3112. At least a portion of the orthographic projections of the first electrode lines 2111 and the third electrode lines 3111 on the substrate 10 intersect, and the orthographic projections of the second electrode lines 2112 and the fourth electrode lines 3112 on the substrate 10 intersect.
[0039] Optionally, in one embodiment, the first electrode 21 may be a mesh electrode.
[0040] Optionally, in one embodiment, the second electrode 31 may be a mesh electrode.
[0041] Optionally, in one embodiment, the first electrode line 2111 and the second electrode line 2112 intersect at a first intersection point 2113, and the third electrode line 3111 and the fourth electrode line 3112 intersect at a second intersection point 3113. The orthographic projections of the first intersection point 2113 on the substrate 10 and the orthographic projections of the second intersection point 3113 on the substrate 10 are arranged alternately.
[0042] Optionally, in one embodiment, a plurality of first cross portions 211 are arranged in an array, and a plurality of second cross portions 311 are arranged in an array.
[0043] Optionally, in one embodiment, the first electrode line 2111 and the second electrode line 2112 of adjacent first intersections 211 intersect to form a first grid 2114, and the third electrode line 3111 and the fourth electrode line 3112 of adjacent second intersections 311 intersect to form a second grid 3114.
[0044] Optionally, in one embodiment, the centroids of the orthographic projection of the second intersection point 3113 on the substrate 10 and the orthographic projection of the first grid 2114 on the substrate coincide, and the centroids of the orthographic projection of the first intersection point 2113 on the substrate and the orthographic projection of the second grid 3114 on the substrate coincide.
[0045] Optionally, in one embodiment, at least one of the first grid 2114 and the second grid 3114 includes a rhombus shape.
[0046] Optionally, in one embodiment, the plurality of first electrodes 21 include a plurality of first touch electrodes 201 and a plurality of first electromagnetic electrodes 202. The first touch electrodes 201 and the first electromagnetic electrodes 202 extend along a first direction X parallel to the substrate 10, and are alternately arranged along a second direction Y parallel to the substrate 10. The plurality of second electrodes 31 include a second touch electrode 301 and a second electromagnetic electrode 302. The second touch electrode 301 and the second electromagnetic electrode 302 extend along the second direction Y, and are alternately arranged along the first direction X. By setting the first touch electrode 201 and the second touch electrode 301 to be located on two gold conductive layers respectively, the signal quantity of the touch module is increased. Furthermore, the basic mutual capacitance value of the touch module can be flexibly optimized by adjusting the area of the overlapping region of the first touch electrode 201 and the second touch electrode 301.
[0047] Optionally, in one embodiment, the first direction X and the second direction Y are perpendicular.
[0048] Optionally, in one embodiment, the thickness of the first conductive layer 20 is greater than or equal to 0.7 micrometers and less than or equal to 1.2 micrometers. For example, the thickness of the first conductive layer 20 can be 0.7 micrometers, 0.8 micrometers, 1 micrometer, or 1.2 micrometers, which can reduce the resistance of the first conductive layer 20.
[0049] Optionally, in one embodiment, the touch module further includes an insulating layer 40 located between the first conductive layer 20 and the second conductive layer 30, and the insulating layer 40 is used for electrical insulation between the first conductive layer 20 and the second conductive layer 30.
[0050] Optionally, in one embodiment, the material of the insulating layer 40 may be silicon nitride, silicon oxide, organic film, or a combination of the above materials.
[0051] Optionally, in one embodiment, the thickness of the insulating layer 40 is greater than or equal to 0.5 micrometers and less than or equal to 2 micrometers. For example, the thickness of the insulating layer 40 can be 0.5 micrometers, 0.8 micrometers, 1.5 micrometers, 2 micrometers, etc., to ensure that the insulating layer 40 can cover the first conductive layer 20.
[0052] Optionally, in one embodiment, the touch module further includes a protective layer 50, which is located on the side of the second conductive layer 30 away from the first conductive layer 20. The protective layer 50 is used to protect the first conductive layer 20 and the second conductive layer 30 from scratches, corrosion and other damage.
[0053] Optionally, in one embodiment, the material of the protective layer 50 may be silicon nitride, silicon oxide, organic film, or a combination of the above materials.
[0054] The display panel provided in this application embodiment reduces the parasitic capacitance of the display panel by setting the orthographic projections of the first electrode line on the substrate and the third electrode line on the substrate to intersect, and the orthographic projections of the second electrode line on the substrate and the fourth electrode line on the substrate to intersect, that is, the orthographic projections of the first intersection on the substrate and the orthographic projections of the second intersection on the substrate are arranged in a cross-shaped staggered manner.
[0055] Figure 4 This is a partial top view of the display panel provided in the second embodiment of this application. Figure 5 yes Figure 4 The diagram shows a cross-sectional view of the display panel along the A-A' direction. Figure 6 yes Figure 4 The diagram shows a cross-sectional view of the display panel along the B-B' direction. Figure 4 The display panel shown and Figure 3 The difference in the display panels shown is that, Figure 4 The display panel shown reduces the resistance of the first and second electrodes by setting auxiliary electrodes.
[0056] like Figures 4 to 6 As shown, in one embodiment, the first conductive layer 20 further includes at least one third cross portion 22 located within the first mesh 2114. The orthographic projection of the third cross portion 22 on the substrate 10 overlaps with the orthographic projection of the second cross portion 311 on the substrate 10, and the third cross portion 22 and the corresponding second cross portion 311 are electrically connected. The third cross portion 22 serves as an auxiliary electrode for the second electrode 31, reducing the resistance of the second electrode 31. The second conductive layer 30 further includes at least one fourth cross portion 32 located within the second mesh 3114. The orthographic projection of the fourth cross portion 32 on the substrate 10 overlaps with the orthographic projection of the first cross portion 211 on the substrate 10, and the fourth cross portion 32 and the corresponding first cross portion 211 are electrically connected. The fourth cross portion 32 serves as an auxiliary electrode for the first electrode 21, reducing the resistance of the first electrode 21.
[0057] Optionally, in one embodiment, the line width W1 of the first intersection 211 is smaller than the line width W2 of the corresponding fourth intersection 32, and the line width W3 of the second intersection 311 is smaller than the line width W4 of the corresponding third intersection 22, so as to ensure that the first conductive layer 20 is covered by the second conductive layer 30.
[0058] Optionally, in one embodiment, the insulating layer 40 is provided with a plurality of first vias 41 and a plurality of second vias 42. The orthographic projection of the first via 41 on the substrate 10 overlaps with the orthographic projection of the third intersection 22 on the substrate 10. The third intersection 22 is electrically connected to the second intersection 311 through the first via 41. The orthographic projection of the second via 42 on the substrate 10 overlaps with the orthographic projection of the fourth intersection 32 on the substrate 10. The fourth intersection 32 is electrically connected to the first intersection 211 through the second via 42.
[0059] Optionally, in one embodiment, the orthographic projections of the four first vias 41 on the substrate 10 corresponding to the third intersection 22 overlap with the orthographic projections of the four ends of the third intersection 22 on the substrate 10. The orthographic projections of the four second vias 42 on the substrate 10 overlap with the orthographic projections of the four ends of the fourth intersection 32 on the substrate 10.
[0060] The display panel provided in this application embodiment reduces the parasitic capacitance of the display panel by setting the orthographic projections of the first electrode line and the third electrode line on the substrate to intersect, and the orthographic projections of the second electrode line and the fourth electrode line on the substrate to intersect, that is, the orthographic projections of the first intersection portion and the second intersection portion on the substrate are arranged in a cross-shaped staggered manner. Furthermore, the display panel reduces the resistance of the first electrode and the second electrode by providing auxiliary electrodes.
[0061] Figure 7 This is a partial top view of the display panel provided in the third embodiment of this application. Figure 8 yes Figure 7 The diagram shows a cross-sectional view of the display panel along the C-C' direction. Figure 9 yes Figure 7 The diagram shows a cross-sectional view of the display panel along the D-D' direction. Figure 10 This is a partial top view of the display panel provided in the fourth embodiment of this application. Figure 7 and Figure 10 The display panel shown and Figure 4 The difference in the display panels shown is that, Figure 7 and Figure 10 The display panel shown improves its folding performance by reducing the area of the insulating layer.
[0062] like Figures 7 to 9As shown, in one embodiment, the third intersection 22 and the corresponding second intersection 311 are stacked and in contact, and the fourth intersection 32 and the corresponding first intersection 211 are stacked and in contact.
[0063] like Figure 10 As shown, in one embodiment, the insulating layer 40 includes a plurality of insulating portions 43, which are located between the first electrode line 2111 and the third electrode line 3111, and between the second electrode line 2112 and the fourth electrode line 3112. The intersection area of the orthographic projection of the first electrode 2111 on the substrate 10 and the orthographic projection of the third electrode line 3111 on the substrate 10, and the intersection area of the orthographic projection of the second electrode line 2112 on the substrate 10 are all located within the orthographic projection range of the insulating portion 43 on the substrate 10, so as to prevent short circuits between different signals.
[0064] The display panel provided in this application reduces parasitic capacitance by setting the orthographic projections of the first electrode line and the third electrode line on the substrate to intersect, and the orthographic projections of the second electrode line and the fourth electrode line on the substrate to intersect, i.e., the orthographic projections of the first and second intersecting portions on the substrate are arranged in a cross pattern. Furthermore, the display panel improves its folding performance by reducing the area of the insulating layer.
[0065] Figure 11 This is a partial top view of the display panel provided in the seventh embodiment of this application. Figure 12 This is a partial top view of the display panel provided in the eighth embodiment of this application. Figure 13 This is a partial top view of the display panel provided in the ninth embodiment of this application. Figure 14 This is a partial top view of the display panel provided in the tenth embodiment of this application.
[0066] Figures 11 to 14 The display panel shown and Figure 3 The difference in the display panels shown is that, Figures 11 to 14 The touch module of the display panel shown has a break, which can reduce the parasitic capacitance between the first touch electrode and the second electromagnetic electrode and / or the parasitic capacitance between the second touch electrode and the first electromagnetic electrode, and / or reduce the load on the first touch electrode and the second touch electrode.
[0067] Optionally, in one embodiment, the first electrode line 2111 of a portion of the first intersection 211 includes a first break 2115, and the orthographic projection of the third electrode line 3111 on the substrate 10 passes through the orthographic projection of the first break 2115 on the substrate 10.
[0068] Optionally, in one embodiment, the second electrode line 2112 of a portion of the first intersection 211 includes a second break 2116, and the orthographic projection of the fourth electrode line 3112 on the substrate 10 passes through the orthographic projection of the second break 2116 on the substrate 10.
[0069] Optionally, in one embodiment, the third electrode line 3111 of a portion of the second intersection 311 includes a third break 3115, and the orthographic projection of the first electrode line 2111 on the substrate 10 passes through the orthographic projection of the third break 3115 on the substrate 10.
[0070] Optionally, in one embodiment, the fourth electrode line 3112 of a portion of the second intersection 311 includes a fourth break 3116, and the orthographic projection of the second electrode line 2112 on the substrate 10 passes through the orthographic projection of the fourth break 3116 on the substrate 10.
[0071] Optionally, in one embodiment, the first break 2115, the second break 2116, the third break 3115, and the fourth break 3116 are all located on the first touch electrode 201 and the second touch electrode. The first break 2115, the second break 2116, the third break 3115, and the fourth break 3116 can reduce the parasitic capacitance between the first touch electrode 201 and the second electromagnetic electrode 302, as well as the parasitic capacitance between the second touch electrode 301 and the first electromagnetic electrode 202, and can also reduce the load on the first touch electrode 201 and the second touch electrode 301.
[0072] The display panel provided in this application embodiment reduces parasitic capacitance by setting the orthographic projections of the first electrode line and the third electrode line on the substrate to intersect, and the orthographic projections of the second electrode line and the fourth electrode line on the substrate to intersect, i.e., the orthographic projections of the first intersection and the second intersection on the substrate are arranged in a cross-shaped staggered manner. Furthermore, the touch module has an interruption, which can reduce the parasitic capacitance between the first touch electrode and the second electromagnetic electrode, and / or the parasitic capacitance between the second touch electrode and the first electromagnetic electrode, and / or reduce the load on the first touch electrode and the second touch electrode.
[0073] Figure 15 This is a schematic diagram of the structure of the display panel provided in the eleventh embodiment of this application. Figure 15 As shown, the display panel includes at least one sub-pixel 220, which is located between the substrate 10 and the touch module.
[0074] Optionally, in one embodiment, the display panel further includes a thin-film encapsulation layer 230 located between the sub-pixel 220 and the touch module.
[0075] Optionally, in one embodiment, the sub-pixel 220 and the touch module are configured accordingly.
[0076] Optionally, in one embodiment, the thin film encapsulation layer 230 includes a first encapsulation layer 231, a second encapsulation layer 232, and a third encapsulation layer 233 stacked together, which can increase the sealing of the thin film encapsulation layer 230 to improve the encapsulation effect of the thin film encapsulation layer 230.
[0077] Optionally, in one embodiment, the first encapsulation layer 231 and the third encapsulation layer 233 are inorganic encapsulation layers. The material of the inorganic encapsulation layer is silicon oxide, silicon oxynitride, or silicon nitride, etc. The inorganic encapsulation layer can be a single layer, multiple layers, composite layers, etc.
[0078] Optionally, in one embodiment, the second encapsulation layer 232 is an organic encapsulation layer, and the material of the organic encapsulation layer is a fiber material, a resin material, or a material used in multilayer boards, etc. The organic encapsulation layer can be a single layer, a multilayer, a composite layer, etc.
[0079] Figure 16 This is a schematic diagram of the structure of the display panel provided in the twelfth embodiment of this application. Figure 16 As shown, in one embodiment, the display panel further includes an integrated circuit 240, which is electrically connected to the touch module.
[0080] Optionally, in one embodiment, the first touch electrode 201 within the touch module corresponding to the same sub-pixel 220 is electrically connected to the integrated circuit 240 via a connecting line.
[0081] Optionally, in one embodiment, the second touch electrode 301 within the touch module corresponding to the same sub-pixel 220 is connected to the integrated circuit 240 via a connecting line.
[0082] Optionally, in one embodiment, the first electromagnetic electrode in the touch module corresponding to the same sub-pixel 220 is electrically connected to the integrated circuit 240 through at least one connecting line, which can flexibly adjust the coil spacing of the first electromagnetic electrode 202 and improve linearity.
[0083] Optionally, in one embodiment, the second electromagnetic electrode within the touch module corresponding to the same sub-pixel 220 is electrically connected to the integrated circuit 240 through at least one connecting line, which can flexibly adjust the coil spacing of the second electromagnetic electrode 302 and improve linearity.
[0084] Optionally, in one embodiment, the display panel includes a display area and a non-display area surrounding the display area, with the connecting lines located in the non-display area.
[0085] One embodiment of this application also provides a display device, which includes the touch module or the display panel provided in the above embodiments. The display device is a product with image display functionality. For example, the display device can be used to display static images, such as pictures or photographs. The display device can also be used to display dynamic images, such as videos.
[0086] In addition, the display device can also perform functions such as taking photos, recording videos, fingerprint recognition, and facial recognition. Accordingly, the display device also includes at least one functional module for implementing the above functions, such as an under-display camera or an under-display fingerprint recognition sensor.
[0087] The display device provided according to any embodiment of this application and the display panel provided in the embodiments of this application belong to the same inventive concept, and have corresponding film layer structures and beneficial effects. Details not described in detail in the embodiments of the display device can be found in the embodiments of the display panel, and will not be repeated here.
[0088] The basic principles of this application have been described above with reference to specific embodiments. However, it should be noted that the advantages, benefits, and effects mentioned in this application are merely examples and not limitations, and should not be considered as essential features of each embodiment of this application. Furthermore, the specific details disclosed above are for illustrative and facilitative purposes only, and are not limitations. These details do not limit the application to the necessity of employing the aforementioned specific details for implementation.
[0089] The above description has been given for purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of this application to the forms disclosed herein. Although numerous exemplary aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, alterations, additions, and sub-combinations thereof.
Claims
1. A display panel, characterized in that, include: substrate; A touch module is located on one side of the substrate. The touch module includes a first conductive layer and a second conductive layer. The first conductive layer is located on one side of the substrate. The first conductive layer includes at least one first electrode. The first electrode includes at least one first intersection. The first intersection includes intersecting first electrode lines and second electrode lines. A second conductive layer is located on the side of the first conductive layer away from the substrate; the second conductive layer includes at least one second electrode, the second electrode includes at least one second intersection, and the second intersection includes a third electrode line and a fourth electrode line that are intersected. Wherein, at least a portion of the orthographic projection of the first electrode line on the substrate intersects with the orthographic projection of the third electrode line on the substrate, and at least a portion of the orthographic projection of the second electrode line on the substrate intersects with the orthographic projection of the fourth electrode line on the substrate.
2. The display panel according to claim 1, characterized in that, The first electrode line and the second electrode line intersect at a first intersection point, and the third electrode line and the fourth electrode line intersect at a second intersection point. The orthographic projections of the first intersection point and the second intersection point on the substrate are arranged alternately. Preferably, a plurality of the first intersection portions are arranged in an array; Multiple second cross sections are arranged in an array; Preferably, the first electrode lines and the second electrode lines of adjacent first intersections intersect to form a first grid; The third and fourth electrode lines at adjacent second intersections intersect to form a second grid; Preferably, the centroids of the orthographic projection of the second intersection point on the substrate and the orthographic projection of the first grid on the substrate coincide, and the centroids of the orthographic projection of the first intersection point on the substrate and the orthographic projection of the second grid on the substrate coincide. Preferably, at least one of the first grid and the second grid has a rhombus shape; Preferably, the first electrode is a mesh electrode; Preferably, the second electrode is a mesh electrode.
3. The display panel according to claim 1, characterized in that, The first electrode line and the second electrode line of adjacent first intersections intersect to form a first grid; the third electrode line and the fourth electrode line of adjacent second intersections intersect to form a second grid; The first conductive layer further includes at least one third cross portion, the third cross portion being located within the first grid, the orthographic projection of the third cross portion on the substrate overlapping with the orthographic projection of the second cross portion on the substrate, and the third cross portion being electrically connected to the corresponding second cross portion; the second conductive layer further includes at least one fourth cross portion, the fourth cross portion being located within the second grid, the orthographic projection of the fourth cross portion on the substrate overlapping with the orthographic projection of the first cross portion on the substrate, and the fourth cross portion being electrically connected to the corresponding first cross portion; Preferably, the line width of the first intersection is smaller than the line width of the corresponding fourth intersection, and the line width of the second intersection is smaller than the line width of the corresponding third intersection.
4. The display panel according to claim 3, characterized in that, The touch module further includes an insulating layer, which is located between the first conductive layer and the second conductive layer; Preferably, the thickness of the insulating layer is greater than or equal to 0.5 micrometers and less than or equal to 2 micrometers; Preferably, the thickness of the first conductive layer is greater than or equal to 0.7 micrometers and less than or equal to 1.2 micrometers; Preferably, the touch module further includes a protective layer, which is located on the side of the second conductive layer opposite to the first conductive layer.
5. The display panel according to claim 4, characterized in that, The insulating layer is provided with a plurality of first vias and a plurality of second vias; the orthographic projection of the first via on the substrate and the orthographic projection of the third intersection on the substrate overlap, and the third intersection is electrically connected to the second intersection through the first via; The orthographic projection of the second via on the substrate and the orthographic projection of the fourth intersection on the substrate overlap, and the fourth intersection is electrically connected to the first intersection through the second via; Preferably, the third intersection corresponds to four first vias, and the orthographic projections of the four first vias on the substrate overlap with the orthographic projections of the four ends of the third intersection on the substrate. The fourth intersection corresponds to four second vias, and the orthographic projections of the four second vias on the substrate overlap with the orthographic projections of the four ends of the fourth intersection on the substrate.
6. The display panel according to claim 4, characterized in that, The third intersection and the corresponding second intersection overlap and contact each other, and the fourth intersection and the corresponding first intersection overlap and contact each other; Preferably, the insulating layer includes a plurality of insulating portions located between the first electrode line and the third electrode line, and between the second electrode line and the fourth electrode line; the intersection area of the orthographic projection of the first electrode line on the substrate and the orthographic projection of the third electrode line on the substrate, and the intersection area of the orthographic projection of the second electrode line on the substrate and the orthographic projection of the fourth electrode line on the substrate are all located within the orthographic projection range of the insulating portion on the substrate.
7. The display panel according to claim 1, characterized in that, The first electrode line of the first intersection portion includes a first break, and the orthographic projection of the third electrode line on the substrate passes through the orthographic projection of the first break on the substrate; and / or The second electrode line of a portion of the first intersection includes a second break, and the orthogonal projection of the fourth electrode line on the substrate passes through the orthogonal projection of the second break on the substrate. and / or The third electrode line of the second intersection portion includes a third break, and the orthographic projection of the first electrode line on the substrate passes through the orthographic projection of the third break on the substrate; and / or The fourth electrode line of the second intersection portion includes a fourth break, and the orthographic projection of the second electrode line on the substrate passes through the orthographic projection of the fourth break on the substrate; Preferably, the plurality of first electrodes include a plurality of first touch electrodes and a plurality of first electromagnetic electrodes, the first touch electrodes and the first electromagnetic electrodes extending along a first direction parallel to the substrate, and the first touch electrodes and the first electromagnetic electrodes being alternately arranged along a second direction parallel to the substrate; the plurality of second electrodes include a plurality of second touch electrodes and a plurality of second electromagnetic electrodes, the second touch electrodes and the second electromagnetic electrodes extending along the second direction, and being alternately arranged along the first direction; Preferably, the first direction and the second direction are perpendicular.
8. The display panel according to claim 1, characterized in that, The display panel further includes at least one sub-pixel, which is located between the substrate and the touch module; Preferably, the display panel further includes a thin-film encapsulation layer located between the sub-pixels and the touch module.
9. The display panel according to claim 8, characterized in that, It also includes an integrated circuit, which is electrically connected to the touch module; Preferably, the touch module includes at least one touch unit; Preferably, the sub-pixels and the touch units are configured accordingly; Preferably, the plurality of first electrodes include a plurality of first touch electrodes and a plurality of first electromagnetic electrodes, the first touch electrodes and the first electromagnetic electrodes extending along the first direction, and the first touch electrodes and the first electromagnetic electrodes being alternately arranged along the second direction; the plurality of second electrodes include a plurality of second touch electrodes and a plurality of second electromagnetic electrodes, the second touch electrodes and the second electromagnetic electrodes extending along the second direction, and being alternately arranged along the first direction; Preferably, the first touch electrode in the touch unit corresponding to the same sub-pixel is electrically connected to the integrated circuit via a connecting line; Preferably, the second touch electrode within the touch unit corresponding to the same sub-pixel is electrically connected to the integrated circuit via a connecting line; Preferably, the first electromagnetic electrode in the touch unit corresponding to the same sub-pixel is electrically connected to the integrated circuit through at least one of the connecting lines; Preferably, the second electromagnetic electrode in the touch unit corresponding to the same sub-pixel is electrically connected to the integrated circuit through at least one of the connecting lines; Preferably, the display panel includes a display area and a non-display area surrounding the display area, and the connecting line is located in the non-display area.
10. A display device, characterized in that, The display panel includes any one of claims 1 to 9.