Display device and touch panel

Abstract

A touch panel and a display device. The touch panel comprises a touch area (100) and a peripheral area (200) surrounding the touch area (100), and comprises: a substrate (1); a first touch electrode (2) and a second touch electrode (3) arranged crosswise, both arranged on the substrate (1) and located in the touch area (100); a first touch signal line (4), arranged on the substrate (1) and located in the peripheral area (200), and electrically connected to the first touch electrode (2); a shielding line (7), arranged on the substrate (1), and located between the first touch signal line (4) and the touch area (100), and spaced from the first touch signal line (4) and the touch area (100); and the shielding line (7) is in a floating state. The signal-to-noise ratio can be improved.

Description

Technical Field

[0001] The present disclosure relates to the field of display technology, and in particular to a display device and a touch panel. Background Art

[0002] Touch technologies mainly include resistive, capacitive and infrared optical. Among them, capacitive touch technology has the characteristics of sensitive response and is widely used in smart phones and tablets. The touch panel using capacitive touch technology is provided with touch electrodes, touch signal lines and touch chips. The touch signal lines are electrically connected between the touch electrodes and the touch chip to transmit signals. However, the signal-to-noise ratio of current touch panels is relatively low. Summary of the invention

[0003] The present disclosure aims to provide a display device and a touch panel, which can improve the signal-to-noise ratio of the touch panel.

[0004] According to one aspect of the present disclosure, a touch panel is provided, comprising a touch area and a peripheral area surrounding the touch area, the touch panel comprising:

[0005] substrate substrate;

[0006] The first touch control electrodes and the second touch control electrodes are arranged crosswise, and are both arranged on the base substrate and located in the touch control area;

[0007] A first touch signal line is provided on the base substrate, is located in the peripheral area, and is electrically connected to the first touch electrode;

[0008] The shielding line is disposed on the base substrate and is located between the first touch signal line and the touch area, and is spaced apart from the first touch signal line and the touch area; the shielding line is in a floating state.

[0009] Furthermore, the first touch signal line includes a first touch segment arranged in parallel with the second touch electrode, and the shielding line is arranged between the first touch segment and the touch area.

[0010] Furthermore, the shielding line is parallel or perpendicular to the first touch segment.

[0011] Furthermore, a plurality of shielding lines exist between the first touch segment and the touch area.

[0012] Furthermore, the plurality of shielding wires are arranged in parallel.

[0013] Furthermore, the plurality of shielding lines arranged in parallel are parallel to or perpendicular to the first touch segment.

[0014] Furthermore, the touch panel further comprises:

[0015] A connecting portion, through which two of the plurality of shielded wires arranged in parallel are connected.

[0016] Furthermore, any two adjacent shielding wires among the plurality of shielding wires arranged in parallel are connected via a connecting portion, and in a direction perpendicular to the shielding wires, two adjacent connecting portions are staggered.

[0017] Furthermore, the material of the connecting portion is the same as that of the shielding wire.

[0018] Furthermore, among the plurality of shielding wires, two of the shielding wires are perpendicular to each other.

[0019] Furthermore, one of the two shielding lines that are perpendicular to each other is parallel to the first touch segment.

[0020] Furthermore, the width of the shielding line is the same as the width of the first touch signal line.

[0021] Furthermore, the number of the first touch control electrodes and the number of the first touch control signal lines are both plural, and the plurality of the first touch control signal lines are electrically connected to the plurality of the first touch control electrodes in a one-to-one correspondence;

[0022] A shielding area exists between the first touch segment of each of the first touch signal lines and the touch area, and the shielding line is disposed in the shielding area.

[0023] Furthermore, a plurality of the shielding areas are distributed at intervals along an extension direction of the second touch electrode.

[0024] Furthermore, the first touch signal line further includes a second touch segment, one end of the second touch segment contacts the first touch segment, the other end of the second touch segment is electrically connected to the first touch electrode, and two adjacent shielding areas are separated by the second touch segment.

[0025] Furthermore, the second touch segment is perpendicular to the first touch segment.

[0026] Furthermore, the first touch signal line further includes a third touch segment, the third touch segment is parallel to the first touch segment, and the third touch segment is in contact with the first touch electrode and the second touch segment respectively.

[0027] Further, the first touch electrodes are touch sensing electrodes, and the second touch electrodes are touch driving electrodes; or

[0028] The first touch electrodes are touch driving electrodes, and the second touch electrodes are touch sensing electrodes.

[0029] Furthermore, the touch panel comprises:

[0030] The second touch signal line is arranged on the base substrate, located in the peripheral area, and electrically connected to the second touch electrode; the shielding line exists between the second touch signal line and the touch area, and the shielding line and the second touch signal line are arranged at intervals.

[0031] Furthermore, the substrate includes:

[0032] substrate;

[0033] A light-emitting layer is disposed on the substrate;

[0034] An encapsulation layer, disposed on a side of the light-emitting layer away from the substrate;

[0035] The first touch electrode, the second touch electrode, the first touch signal line, and the shielding line are all arranged on a side of the packaging layer away from the light-emitting layer.

[0036] Further, at least a portion of the shielding line, at least a portion of the first touch signal line, at least a portion of the first touch electrode, and at least a portion of the second touch electrode are arranged in the same layer.

[0037] According to one aspect of the present disclosure, a display device is provided, comprising the above-mentioned touch panel.

[0038] The display device and touch panel disclosed in the present invention have a shielding line between the first touch signal line and the touch area, which increases the distance between the first touch signal line and the touch area, thereby increasing the distance between the first touch signal line and the second touch electrode arranged in the touch area, and can reduce interference between the first touch signal line and the second touch electrode; at the same time, the shielding line can also shield the interference between the first touch signal line and the second touch electrode, so as to reduce noise and improve the signal-to-noise ratio (SNR) of the touch panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 is a schematic diagram of a touch panel according to an embodiment of the present disclosure.

[0040] Figure 2-Figure 4 It is a partial schematic diagram of a touch panel according to an embodiment of the present disclosure.

[0041] Figure 5 and Figure 6 is a schematic diagram of a touch panel with a binding area according to an embodiment of the present disclosure.

[0042] Figure 7 and Figure 8FIG. 4 is a schematic diagram of a touch panel having a plurality of shielding lines arranged in parallel according to an embodiment of the present disclosure.

[0043] Fig. 9 and Fig.10 Schematic diagram of a touch panel with a connecting portion according to an embodiment of the present disclosure.

[0044] Fig.11 and Fig.12 Schematic diagram of a touch panel with two vertically arranged shielding lines according to an embodiment of the present disclosure.

[0045] Fig.13 is another schematic diagram of a touch panel according to an embodiment of the present disclosure.

[0046] Description of the accompanying drawings: 1. substrate; 2. first touch electrode; 3. second touch electrode; 4. first touch signal line; 401. first touch segment; 402. second touch segment; 403. third touch segment; 5. second touch signal line; 6. touch electrode block; 7. shielding line; 8. second side; 9. third side; 10. fourth side; 11. first side; 12. connecting portion; 13. substrate; 14. driving transistor; 141. active layer; 1 42. Gate insulating layer; 143. Gate electrode; 144. Interlayer insulating layer; 145. Source; 146. Drain; 15. Planarization layer; 16. Pixel defining layer; 17. Light-emitting unit; 171. Anode layer; 172. Light-emitting material layer; 173. Cathode layer; 18. Encapsulation layer; 19. First insulating layer; 20. Second insulating layer; 21. Bridging layer; 100. Touch area; 200. Peripheral area; 300. Binding area; 400. Shielding area. DETAILED DESCRIPTION

[0047] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0048] The terms used in the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. Unless otherwise defined, the technical terms or scientific terms used in the present disclosure should be understood by people with ordinary skills in the field to which the present disclosure belongs. The words "first", "second" and similar words used in the present disclosure specification and claims do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "one" do not indicate a quantity limit, but indicate that there is at least one. "Multiple" or "several" means two and more than two. Unless otherwise specified, words such as "front", "rear", "lower" and / or "upper" are only for the convenience of explanation and are not limited to one position or one spatial orientation. Words such as "include" or "comprise" mean that the elements or objects appearing in front of "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, and can include electrical connections, whether direct or indirect. As used in this disclosure and the appended claims, the singular forms "a", "an", "said", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

[0049] The present disclosure provides a touch panel. Figure 1 As shown, the touch panel may include a touch area 100 and a peripheral area 200. The touch area 100 may be a quadrilateral, or may be circular or elliptical, but is not limited thereto. The peripheral area 200 may surround the touch area 100. The touch panel includes a substrate 1, a first touch electrode 2, a second touch electrode 3, a first touch signal line 4, and a shielding line 7, wherein:

[0050] The first touch control electrode 2 and the second touch control electrode 3 are arranged crosswise. The first touch control electrode 2 and the second touch control electrode 3 are both arranged on the base substrate 1 and located in the touch control area 100. The first touch control signal line 4 is arranged on the base substrate 1 and located in the peripheral area 200, and is electrically connected to the first touch control electrode 2. The shielding line 7 is arranged on the base substrate 1 and is located between the first touch control signal line 4 and the touch control area 100, and is spaced from the first touch control signal line 4 and the touch control area 100; the shielding line 7 is in a floating state.

[0051] In the touch panel of the disclosed embodiment, since there is a shielding line 7 between the first touch signal line 4 and the touch area 100, the distance between the first touch signal line 4 and the touch area 100 is increased, thereby increasing the distance between the first touch signal line 4 and the second touch electrode 3 arranged in the touch area 100, which can reduce the interference between the first touch signal line 4 and the second touch electrode 3; at the same time, the shielding line 7 can also shield the interference between the first touch signal line 4 and the second touch electrode 3, so as to reduce noise and improve the signal-to-noise ratio (SNR) of the touch panel.

[0052] The various parts of the touch panel according to the embodiment of the present disclosure are described in detail below;

[0053] like Figure 1 as well as Fig.13 As shown, the substrate 1 is a supporting structure of the driving panel. The substrate 1 may include a substrate 13, a driving circuit layer, a light-emitting unit 17, and an encapsulation layer 18. The substrate 13 may be a rigid substrate. The rigid substrate may be a glass substrate or a PMMA (Polymethyl methacrylate) substrate, etc. Of course, the substrate 13 may also be a flexible substrate. The flexible substrate may be a PET (Polyethylene terephthalate) substrate, a PEN (Polyethylene naphthalate two formic acid glycolester) substrate, or a PI (Polyimide) substrate.

[0054] like Fig.13As shown, the driving circuit layer may be disposed on the substrate 13. The driving circuit layer may include a driving transistor 14. The driving transistor 14 may be a thin film transistor, but the embodiments of the present disclosure are not limited thereto. The thin film transistor may be a top-gate thin film transistor, and of course, the thin film transistor may also be a bottom-gate thin film transistor. Taking the thin film transistor as a top-gate thin film transistor as an example, the thin film transistor may include an active layer 141, a gate insulating layer 142, a gate electrode 143, an interlayer insulating layer 144, a source 145, and a drain 146. The active layer 141 may be disposed on the substrate 13. The gate insulating layer 142 may be disposed on the substrate 13 and cover the active layer 141. The gate electrode 143 may be disposed on a side of the gate insulating layer 142 away from the substrate 13. The interlayer insulating layer 144 may be disposed on the gate insulating layer 142 and cover the gate electrode 143. The source electrode 145 and the drain electrode 146 may be disposed on the interlayer insulating layer 144 and connected to the active layer 141 via vias passing through the interlayer insulating layer 144 and the gate insulating layer 142. The display panel of the present disclosure may further include a planarization layer 15 and a pixel defining layer 16. The planarization layer 15 may cover the source electrode 145, the drain electrode 146 and the interlayer insulating layer 144 of the thin film transistor. The pixel defining layer 16 may be disposed on the side of the planarization layer 15 facing away from the substrate 13. The pixel defining layer 16 may be provided with a pixel opening.

[0055] like Fig.13 As shown, the light-emitting unit 17 may be arranged at the pixel opening. The light-emitting unit 17 may include a red light-emitting unit 17, a green light-emitting unit 17 and a blue light-emitting unit 17. Each light-emitting unit 17 may include an anode layer 171, a light-emitting material layer 172 and a cathode layer 173. The anode layer 171 may be arranged on the surface of the planarization layer 15 facing away from the substrate 13, the cathode layer 173 is arranged on the side of the anode layer 171 facing away from the substrate 13, and the light-emitting material layer 172 may be arranged between the anode layer 171 and the cathode layer 173. The light-emitting material layer 172 may be an organic electroluminescent material layer 172, but the embodiment of the present disclosure is not limited thereto. The anode layer 171 may be electrically connected to the source 145 or the drain 146 of the thin film transistor via a via hole passing through the planarization layer 15. The encapsulation layer 18 may cover the light-emitting unit 17 and the pixel defining layer 16. The encapsulation layer 18 may be a thin film encapsulation layer 18 (TFE), but the embodiment of the present disclosure is not particularly limited thereto.

[0056] like Fig.13 As shown, the first touch control electrode 2 and the second touch control electrode 3 can be arranged on one side of the packaging layer 18. Compared with the external touch screen, the two touch control electrodes are arranged on the packaging layer 18, which can reduce the thickness of the screen and eliminate the bonding tolerance. The first touch control electrodes 2 can extend along the first direction. The first direction is Figure 1The second touch electrode 3 may extend along a second direction intersecting the first direction, that is, the first touch electrode 2 and the second touch electrode 3 are arranged crosswise. The second direction is Figure 1 The Y direction of the touch control electrode 2. The intersection of the first touch control electrode 2 and the second touch control electrode 3 can form a capacitor. By detecting the change of the capacitor, the position of the touch point can be determined. Figure 1 As shown, the first direction may be perpendicular to the second direction, that is, the first touch electrode 2 is perpendicular to the second touch electrode 3. The number of the first touch electrode 2 and the second touch electrode 3 may be multiple. In one embodiment of the present disclosure, the first touch electrode 2 is a touch sensing electrode, and the second touch electrode 3 is a touch driving electrode. In another embodiment of the present disclosure, the first touch electrode 2 is a touch driving electrode, and the second touch electrode 3 is a touch sensing electrode. In addition, along the above-mentioned first direction, each first touch electrode 2 may include a plurality of touch electrode blocks 6 connected in sequence; along the above-mentioned second direction, each second touch electrode 3 may include a plurality of touch electrode blocks 6 connected in sequence. As Fig.13 As shown, the side of the encapsulation layer 18 facing away from the substrate 13 may also be provided with a bridge layer 21, a first insulating layer 19 and a second insulating layer 20. The first insulating layer 19 covers the bridge layer 21 and the encapsulation layer 18, the first touch electrode 2 and the second touch electrode 3 are provided on the first insulating layer 19, and the second insulating layer 20 covers the first insulating layer 19, the first touch electrode 2 and the second touch electrode 3. The first touch electrode 2 is electrically connected through the bridge layer 21.

[0057] like Figure 1 As shown, taking the above-mentioned touch area 100 in a quadrilateral as an example, the touch area 100 includes a first side 11, a second side 8, a third side 9 and a fourth side 10 connected in sequence; the first side 11 and the third side 9 are arranged opposite to each other and have the same length; the second side 8 and the fourth side 10 are arranged opposite to each other and have the same length; the first side 11 can be perpendicular to the second side 8. The length of the first side 11 can be greater than the second side 8, and of course, the length of the first side 11 can also be less than the second side 8. The first direction can be parallel to the first side 11, and the second direction can be parallel to the second side 8. In addition, the first touch electrode 2 and the second touch electrode 3 extending to the side of the touch area may not be a complete touch electrode block 6. Taking the first touch electrode 2 extending to the fourth side 10 of the touch area as an example, Figure 2 A complete touch electrode block 6 is shown. Figure 3 and Figure 4 An incomplete touch electrode block 6 is shown. The dimension a of a complete touch electrode block 6 in the second direction may be 3500 μm-4500 μm; Figure 3The dimension b of the incomplete touch electrode block 6 in the second direction is smaller than a and larger than 0.5a; Figure 4 The dimension c of the incomplete touch electrode block 6 in the second direction is less than 0.5a and greater than 0.

[0058] like Figure 1 , Figure 5 as well as Figure 6 As shown, the first touch signal line 4 is arranged on the substrate 1 and is located in the peripheral area 200. The peripheral area 200 may be provided with a binding area 300, and the binding area 300 may be provided with an external circuit interface. The external circuit interface may be electrically connected to the touch chip. The binding area 300 may be spaced apart from the touch area 100. Taking the touch area 100 as a quadrilateral as an example, the binding area 300 may be arranged on the side of the first side 11 of the touch area 100 away from the third side 9. In other embodiments of the present disclosure, the binding area 300 may be arranged on the side of the fourth side 10 of the touch area 100 away from the second side 8. One end of the first touch signal line 4 is electrically connected to the first touch electrode 2, and the other end of the first touch signal line 4 extends to the binding area 300 to be electrically connected to the external circuit interface to receive the signal sent by the touch chip and send the signal to the touch chip. The number of the first touch signal lines 4 can be multiple, and the multiple first touch signal lines 4 are electrically connected to the multiple first touch electrodes 2 in a one-to-one correspondence. Fig.13 As shown, the first touch signal line 4 can be disposed on the surface of the first insulating layer 19 facing away from the substrate 13 .

[0059] like Figure 1 and Figure 7 As shown, the first touch signal line 4 may include a first touch segment 401 and a second touch segment 402 connected in sequence. The first touch segment 401 may be arranged in parallel with the second touch electrode 3, that is, the first touch segment 401 may be parallel to the second direction. One end of the second touch segment 402 is in contact with the first touch segment 401, and the other end of the second touch segment 402 is electrically connected to the first touch electrode 2. The second touch segment 402 may be perpendicular to the first touch segment 401, but the embodiments of the present disclosure are not limited thereto. In addition, the first touch signal line 4 may further include a third touch segment 403. The third touch segment 403 is parallel to the first touch segment 401, and the third touch segment 403 is in contact with the first touch electrode 2 and the second touch segment 402, respectively.

[0060] The shielding line 7 may be disposed on the side of the encapsulation layer 18 facing away from the substrate 13. The material of the shielding line 7 may be metal, such as copper. The material of the shielding line 7 may be the same as that of the first touch signal line 4, and the shielding line 7 may be disposed on the same layer as the first touch signal line 4. Figure 8As shown, the width of the shielding line 7 can be greater than 4 μm, for example, the width of the shielding line 7 can be 4.5 μm, 5 μm, 6 μm, etc. The width of the shielding line 7 can be the same as the width of the first touch signal line 4, and of course, they can also be different. Figure 7 As shown, there is a shielding area 400 between the first touch segment 401 of each of the above-mentioned first touch signal lines 4 and the touch area 100. The shielding line 7 can be arranged in the shielding area 400. The shielding line 7 in each shielding area 400 can be parallel to the first touch segment 401, and of course, can also be perpendicular to the first touch segment 401. A plurality of shielding lines 7 can be arranged in the shielding area 400, and a plurality of shielding lines 7 are arranged in parallel among the plurality of shielding lines 7. Among them, all the shielding lines 7 in the shielding area 400 are arranged in parallel, and of course, some of the shielding lines 7 are arranged in parallel among the plurality of shielding lines 7 in the shielding area 400. The distance between two adjacent shielding lines 7 among the plurality of shielding lines 7 arranged in parallel can be less than 4μm, for example, the distance between two adjacent shielding lines 7 is 3.5μm, 3μm, 2μm, etc. As Figure 7 As shown, the plurality of shielding lines 7 arranged in parallel may be parallel to the first touch segment 401. Figure 8 As shown, it can also be perpendicular to the first touch segment 401. Fig. 9 Fig.10 As shown, the touch panel of the present disclosure may further include a connecting portion 12. The connecting portion 12 may be disposed on the side of the above-mentioned encapsulation layer 18 facing away from the substrate 13. Two of the plurality of shielding wires 7 disposed in parallel are connected by the connecting portion 12. Furthermore, any two adjacent shielding wires 7 of the plurality of shielding wires 7 disposed in parallel are connected by a connecting portion 12, and in a direction perpendicular to the shielding wires 7, the two adjacent connecting portions 12 are staggered. The material of the connecting portion 12 may be the same as that of the shielding wire 7. In addition, as Fig.11 and Fig.12 As shown, among the plurality of shielding lines 7 in the shielding area 400, two shielding lines 7 are perpendicular to each other, and one of the two perpendicular shielding lines 7 is parallel to the first touch segment 401, and the other shielding line 7 is perpendicular to the first touch segment 401. Fig.13 As shown, the shielding line 7 can be arranged on the surface of the first insulating layer 19 facing away from the substrate 13 .

[0061] like Figure 7 As shown, the plurality of shielding areas 400 are spaced apart along the extension direction of the second touch electrode 3. Two adjacent shielding areas 400 may be separated by a second touch segment 402. The number of shielding lines 7 in two adjacent shielding areas 400 may be different. Figure 5 and Figure 7As shown, taking the example that the binding area 300 is arranged on the side of the first side 11 of the touch area 100 away from the third side 9 and the second touch electrode 3 is perpendicular to the first side 11, for any two shielding areas 400, the number of shielding wires 7 in the shielding area 400 close to the binding area 300 is less than the number of shielding wires 7 in the shielding area 400 away from the binding area 300.

[0062] In addition, if Figure 1 As shown, the touch panel of the embodiment of the present disclosure may further include a second touch signal line 5. The second touch signal line 5 may be provided on the base substrate 1 and located in the peripheral area 200. Figure 5 and Figure 6 As shown, one end of the second touch signal line 5 is electrically connected to the second touch electrode 3, and the other end of the second touch signal line 5 extends to the binding area 300 to be electrically connected to the external circuit interface. Fig.13 As shown, the second touch signal line 5 can be arranged on the surface of the first insulating layer 19 facing away from the substrate 13. The width of the second touch signal line 5 can be the same as the width of the first touch signal line 4, of course, it can also be different. At least part of the above-mentioned shielding line 7, at least part of the first touch signal line 4, at least part of the second touch signal line 5, at least part of the first touch electrode 2 and at least part of the second touch electrode 3 can be arranged in the same layer. The second touch signal line 5 also includes a touch segment parallel to the first touch electrode 2, and the above-mentioned shielding area 400 can also be provided between the touch segment and the second touch electrode 3. The shielding line 7 arranged at a distance from the second touch signal line 5 is provided in the shielding area 400. Among them, in Figure 5 In the structure shown, the first touch electrode 2 is a touch driving electrode, the second touch electrode 3 is a touch sensing electrode, and the touch panel adopts a 1T1R driving mode; Figure 6 In the structure shown, the first touch electrode 2 is a touch sensing electrode, the second touch electrode 3 is a touch driving electrode, and the touch panel adopts a 2T1R driving mode. In other embodiments of the present disclosure, the touch panel may also adopt other driving modes.

[0063] The present disclosure also provides a display device. The display device may include the touch panel described in any of the above embodiments. The display device may be a mobile phone, a tablet computer, a television, etc. Since the touch panel included in the display device of the present disclosure is the same as the display panel in the above touch panel embodiment, it has the same beneficial effects, and the present disclosure will not repeat them here.

[0064] The above is only a preferred embodiment of the present disclosure and does not limit the present disclosure in any form. Although the present disclosure has been disclosed as a preferred embodiment as above, it is not used to limit the present disclosure. Any technician familiar with this profession can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present disclosure. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present disclosure without departing from the content of the technical solution of the present disclosure are still within the scope of the technical solution of the present disclosure.

Claims

1. A touch panel, comprising a touch area and a peripheral area surrounding the touch area, characterized in that: The touch panel comprises: substrate substrate; The first touch control electrodes and the second touch control electrodes are arranged crosswise, and are both arranged on the base substrate and located in the touch control area; The first touch signal line is provided on the base substrate and is located in the peripheral area and is electrically connected to the first touch electrode. The first touch signal line includes a first touch segment and a second touch segment. The first touch segment and the second touch electrode are arranged in parallel, one end of the second touch segment contacts the first touch segment, and the other end of the second touch segment contacts the first touch electrode; There are shielding areas between the first touch segment and the second touch electrode in the touch area, the shielding areas are distributed at intervals along the extension direction of the second touch electrode, and two adjacent shielding areas are separated by the second touch segment; A shielding line is provided on the base substrate and is located in the shielding area and is spaced apart from the first touch segment and the touch area. The shielding line is in a floating state, and a plurality of the shielding lines are provided in parallel in the shielding area. A connecting portion, any two adjacent shielding wires among the plurality of shielding wires arranged in parallel are connected by a connecting portion, and in a direction perpendicular to the shielding wires, the two adjacent connecting portions are staggered; A binding area is provided in the peripheral region, wherein the number of shielding lines in the shielding area close to the binding area is less than the number of shielding lines in the shielding area far from the binding area; and / or The length of the shielding line in the shielding area close to the bonding area is shorter than the length of the shielding line in the shielding area far from the bonding area.

2. The touch panel according to claim 1, characterized in that: The shielding line is parallel or perpendicular to the first touch segment.

3. The touch panel according to claim 1, characterized in that: The plurality of shielding lines arranged in parallel are parallel to or perpendicular to the first touch segment.

4. The touch panel according to claim 1, characterized in that: The material of the connection portion is the same as that of the shielding wire.

5. The touch panel according to claim 1, characterized in that: Two of the plurality of shielding lines are perpendicular to each other.

6. The touch panel according to claim 5, characterized in that: One of the two shielding lines that are perpendicular to each other is parallel to the first touch segment.

7. The touch panel according to any one of claims 1 to 6, characterized in that: The width of the shielding line is the same as the width of the first touch signal line.

8. The touch panel according to claim 1, characterized in that: The number of the first touch control electrodes and the number of the first touch control signal lines are both plural, and the plurality of first touch control signal lines are electrically connected to the plurality of first touch control electrodes in a one-to-one correspondence.

9. The touch panel according to claim 1, characterized in that: The second touch segment is perpendicular to the first touch segment.

10. The touch panel according to claim 1, characterized in that: The first touch signal line further includes a third touch segment, the third touch segment is parallel to the first touch segment, and the third touch segment is in contact with the first touch electrode and the second touch segment respectively.

11. The touch panel according to claim 1, characterized in that: The first touch electrodes are touch sensing electrodes, and the second touch electrodes are touch driving electrodes; or The first touch electrodes are touch driving electrodes, and the second touch electrodes are touch sensing electrodes.

12. The touch panel according to claim 1, characterized in that: The touch panel comprises: The second touch signal line is arranged on the base substrate, located in the peripheral area, and electrically connected to the second touch electrode; the shielding line exists between the second touch signal line and the touch area, and the shielding line and the second touch signal line are arranged at intervals.

13. The touch panel according to claim 1, characterized in that: The substrate comprises: substrate; A light-emitting layer is disposed on the substrate; An encapsulation layer, disposed on a side of the light-emitting layer away from the substrate; The first touch electrode, the second touch electrode, the first touch signal line, and the shielding line are all arranged on a side of the packaging layer away from the light-emitting layer.

14. The touch panel according to claim 1, characterized in that: At least a portion of the shielding line, at least a portion of the first touch signal line, at least a portion of the first touch electrode, and at least a portion of the second touch electrode are disposed in the same layer.

15. A display device, characterized in that: The touch panel comprises the touch panel according to any one of claims 1 to 14.

Images