CN111625141B - Touch panel and electronic equipment - Google Patents
Touch panel and electronic equipment Download PDFInfo
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- CN111625141B CN111625141B CN202010447703.4A CN202010447703A CN111625141B CN 111625141 B CN111625141 B CN 111625141B CN 202010447703 A CN202010447703 A CN 202010447703A CN 111625141 B CN111625141 B CN 111625141B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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- Position Input By Displaying (AREA)
Abstract
The invention relates to a touch panel and an electronic device, the touch panel comprises: the substrate is provided with a touch area, a first binding area and a second binding area, wherein the first binding area and the second binding area are positioned outside the touch area; the first touch layer extends from the touch area to the first binding area; the second touch layer extends from the touch area to the second binding area; the first conductive grid is arranged on the surface of the substrate, which is far away from the second touch layer, and the projection of the first conductive grid on the surface of the substrate, which is used for arranging the second touch layer, is positioned between the touch area and the second binding area; the first auxiliary lead is arranged on the substrate and electrically connected with the first conductive grid, at least two first electric connection points are arranged between the first auxiliary lead and the first conductive grid, and the part of the first auxiliary lead between the two first electric connection points is electrically conducted. When the touch panel is used, when the grid lines between the two first connecting points are disconnected, current can pass through the first auxiliary lead, so that the first conductive grid can be prevented from being disconnected.
Description
Technical Field
The present invention relates to the field of touch technologies, and in particular, to a touch panel and an electronic device.
Background
Touch operation is a simple and convenient man-machine interaction mode, and currently, touch panels for implementing touch operation have been widely applied to various multimedia electronic devices, such as terminal products like smart phones, e-book readers, tablet computers, and the like.
The touch panel mainly comprises a touch area and an edge area positioned outside the touch area, wherein the touch area is provided with corresponding touch leads which are staggered to form a capacitance contact, and the capacitance contact can generate an electric signal when a user touches the touch panel. The marginal zone is equipped with metal and walks line one end and touch-control lead wire electric connection, and the other end extends to and binds the region to with corresponding processing apparatus electric connection, through metal walk line alright with carry the signal of telecommunication that the electric capacity contact produced to corresponding treater like this.
The wiring of the binding area is dense, charges are easy to gather, and the charges can cause interference signals to the touch area, so that the touch sensitivity is reduced and even the touch area fails. To this end, in the prior art, a metal mesh-shaped shielding layer is disposed between the binding region and the touch region, wherein the shielding layer may be connected to a corresponding driving device through an epd (external Pen detection) interface, and the driving device may control the operation of the shielding layer, so that the shielding layer may shield an interference signal generated in the binding region, and improve the touch sensitivity.
Currently, in order to implement a narrow bezel design of a touch panel, a distance between a touch area and a bonding area is usually reduced, which in turn results in a reduction in a width of a metal mesh. Therefore, the metal grid is easy to cause the whole metal grid to be broken due to the breakage of certain grid lines, so that the shielding layer cannot work normally, and the shielding of interference signals in the binding area cannot be realized.
Disclosure of Invention
The invention provides a touch panel and electronic equipment, and aims to solve the problem that a metal grid for shielding interference signals generated by a binding area is easy to break due to width reduction.
A touch panel, comprising: the substrate is provided with a touch area, a first binding area and a second binding area, wherein the first binding area and the second binding area are positioned outside the touch area and are arranged at intervals with the touch area; the first touch layer is arranged on the substrate and extends from the touch area to the first binding area; the second touch layer is arranged on the substrate and extends from the touch area to the second binding area; the first touch layer and the second touch layer are electrically isolated, and a capacitive contact is formed in the touch area to detect touch information of a user; the first conductive grid is arranged on the surface of the substrate, which is away from the second touch layer, and the projection of the first conductive grid on the surface of the substrate, which is used for arranging the second touch layer, is positioned between the touch area and the second binding area; the first conductive grid is electrically isolated from the first touch layer, and the first conductive grid is used for being connected with a driving device so as to receive the driving of the driving device and shield an interference signal generated by the second binding area to the touch area; the first auxiliary lead is arranged on the substrate and is electrically connected with the first conductive grid, at least two first electric connection points are arranged between the first auxiliary lead and the first conductive grid, and the part of the first auxiliary lead between the two first electric connection points is electrically conducted.
When the touch panel is used, when the grid lines between the two first connecting points are broken, the current can pass through the first auxiliary lead, so that the first conductive grid can be prevented from being broken, and the risk of breaking the first conductive grid due to breakage of the grid lines can be reduced through the arrangement of the first auxiliary lead.
Furthermore, in the length direction of the first conductive grid, the first auxiliary lead penetrates through the first conductive grid, and grid lines intersecting with the first auxiliary lead in the first conductive grid are electrically connected with the first auxiliary lead; the length direction of the first conductive grid is perpendicular to the width direction of the first conductive grid, and the width direction of the first conductive grid is from the second binding area to the touch area, so that the anti-disconnection performance of the first conductive grid can be further improved; and/or the line width of the first auxiliary lead is 2um-30 um; and/or the first auxiliary lead is a straight line, a curve, a wavy line or an irregular line; and/or the number of the first auxiliary leads is more than or equal to 1; and/or the first conductive grid is a metal grid; and/or the material of the first auxiliary lead is the same as that of the first conductive grid; and/or the first auxiliary lead is integrally formed with the first conductive mesh.
Further, the meshes of the first conductive grid are parallelogram and have a first diagonal and a second diagonal, wherein the first diagonal is parallel to the width direction of the first conductive grid, and the second diagonal is parallel to the length direction of the first conductive grid.
Further, the relation between the width D of the first conductive grid and the width D of the meshes of the first conductive grid is that D is less than or equal to 1.5D, wherein the width of the meshes of the first conductive grid refers to the maximum size of the meshes of the first conductive grid in the width direction of the first conductive grid; and/or the meshes of the first conductive grid are rhombic.
Further, the width of the first conductive grid is 1mm-2 mm.
Further, the substrate has a first surface and a second surface which are opposite to each other; the first touch layer, the first conductive mesh, and the first auxiliary lead are all disposed on the first surface, and the second touch layer is disposed on the second surface.
Further, the first touch layer, the first conductive mesh and the first auxiliary lead are simultaneously formed on the first surface.
Further, the substrate has a first surface and a second surface which are opposite to each other; the first touch layer, the second touch layer, the first conductive grid and the first auxiliary lead are all arranged on the first surface, wherein the first touch layer is electrically isolated from the second touch layer, and the first conductive grid is electrically isolated from the second touch layer.
Further, the touch panel further includes: the second conductive grid is arranged on the surface, away from the first touch layer, of the substrate, and the projection of the second conductive grid on the surface, used for arranging the first touch layer, of the substrate is located between the touch area and the first binding area; the second conductive grid is electrically isolated from the second touch layer, and the second conductive grid is used for being connected with a driving device so as to receive the driving of the driving device and shield an interference signal generated by the first binding area to the touch area; and the second auxiliary lead is arranged on the substrate and is electrically connected with the second conductive grid, at least two second electric connection points are arranged between the second auxiliary lead and the second conductive grid, and the part of the second auxiliary lead between the two second electric connection points is electrically conducted.
An electronic device comprising the touch panel as described above.
Drawings
Fig. 1 is a schematic stacked view of an electronic device provided in the present invention;
FIG. 2 is a schematic diagram of a touch panel and a circuit according to the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of a first conductive grid provided by the present invention;
FIG. 5 is an enlarged view of area B of FIG. 3;
FIG. 6 is a schematic cross-sectional view of a second conductive grid provided in accordance with the present invention;
fig. 7 is a schematic view of a touch panel stack according to another embodiment of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1, in the present embodiment, the electronic device 100 includes a display panel 10 and a touch panel 20, wherein the touch panel 20 is connected to the display panel 10 for performing a corresponding touch operation according to the display content of the display panel 10. Specifically, in the present embodiment, the touch panel 20 is disposed on the display surface 101 of the display panel 10.
As shown in fig. 2 and fig. 3, in the present embodiment, the touch panel 20 includes a substrate 1, a first touch layer 2, a second touch layer 3, a first conductive grid 4, a second conductive grid 5, a first auxiliary lead 6, and a second auxiliary lead 7.
As shown in fig. 2, the substrate 1 may be made of COP, PET, or the like, and has a first surface 11 and a second surface 12 opposite to each other, the first touch layer 2 is disposed on the first surface 11, and the second touch layer 3 is disposed on the second surface 12. In addition, the substrate 1 is further divided into a touch area 13 and a routing area 14 located outside the touch area 13, wherein the routing area 14 further includes a first bonding area 15 and a second bonding area 16. In the present embodiment, the first touch layer 2 extends from the touch area 13 to the first bonding area 15, and the second touch layer 3 extends from the touch area 13 to the second bonding area 16, wherein the first touch layer 2 and the second touch layer 3 form a capacitive touch point in the touch area 13 to detect the touch information of the user. In this embodiment, the number of the first binding regions 15 is two, the number of the second binding regions 16 is 1, and the second binding regions 16 are located between the two first binding regions 15.
As shown in fig. 2, in the present embodiment, the first touch layer 2 includes a first touch lead 21 and a first trace 22, and the second touch layer 3 includes a second touch lead 31 and a second trace 32. The first touch lead 21 and the second touch lead 31 are disposed in the touch area 13, and a capacitive contact is formed between the first touch lead and the second touch lead, and when a user touches the touch area, the capacitive contact generates a corresponding electrical signal. The first trace 22 is disposed in the trace area 14, and one end of the first trace is electrically connected to the first touch lead 21, and the other end of the first trace extends to the first bonding area 15 so as to be bonded to the circuit board 30. The second trace 32 is disposed in the trace area 14, and one end of the second trace is electrically connected to the second touch lead 31, and the other end of the second trace extends to the second bonding area 16 so as to be bonded to the circuit board 30.
In addition, in an actual product, the first touch lead 21 and the second touch lead 31 may be ITO leads or metal leads, and the first trace 22 and the second trace 32 are both metal wires.
In the present embodiment, the circuit board 30 is a flexible circuit board, and as shown in fig. 2, the circuit board 30 has a first connection end 301 and a second connection end 302 arranged at an interval. The first connection end 301 is bound in the first binding area 15, so that the pin on the first connection end 301 is electrically connected to the first trace 22; the second connecting terminal 302 is bonded in the second bonding region 16, so that the pin on the second connecting terminal 302 is electrically connected to the second trace 32. It is understood that, in other embodiments, the number of the circuit boards 30 may also be two, and the two circuit boards 30 are respectively bound to the first binding region 15 and the second binding region 16.
As shown in fig. 4, in the present embodiment, the first conductive mesh 4 is disposed on the surface of the substrate 1 facing away from the second touch layer 3, that is, the first conductive mesh 4 is disposed on the first surface 11. In the present embodiment, the first conductive mesh 4 is electrically isolated from the first touch layer 2, and a projection of the first conductive mesh 4 on the second surface 12 is located between the touch area 13 and the second bonding area 16. The first conductive grid 4 is used for being connected with a driving device so as to receive the driving of the driving device, and further shielding an interference signal generated by the second binding area 16 to the touch area 13. In the present embodiment, the operation principle of the first conductive grid 4 is to apply a corresponding voltage to the first conductive grid 4 by the driving device, so that the first conductive grid 4 generates a corresponding shielding magnetic field to shield the interference signal generated by the second binding region 16.
As shown in fig. 3, in the present embodiment, two ends of the first conductive grid 4 in the length direction are electrically connected to the corresponding conductive leads 8, respectively, and the conductive leads 8 extend to the first binding region 15 and are electrically connected to the circuit board 30 at the first binding region 15, so as to electrically connect the first conductive grid 4 and the circuit board 30. Meanwhile, the circuit board 30 is electrically connected to the driving device to realize the electrical connection between the first conductive grid 4 and the driving device. In the present embodiment, the width direction of the first conductive grid 4 is the direction from the second binding region 16 to the touch region 13, and the length direction of the first conductive grid 4 is perpendicular to the width direction of the first conductive grid 4. In this embodiment, the driving device may be a controller of the electronic apparatus 100.
As shown in fig. 5, in the present embodiment, the meshes 41 of the first conductive mesh 4 are parallelograms, and the first conductive mesh 4 is a metal mesh, which may be made of copper, silver, or the like. One full mesh 41 has two diagonal lines defined as a first diagonal line 42 and a second diagonal line 43, wherein the first diagonal line 42 is parallel to the width direction of the first conductive mesh 4, and the second diagonal line 43 is parallel to the length direction of the first conductive mesh 4. The area of the first conductive grid 4 can be increased on the premise that the size and the number of the meshes 41 are not changed, and then the shielding effect of the first conductive grid 4 on interference signals is improved.
In actual production, to achieve a narrow bezel design, the width of the routing region 14 is typically reduced, so that the first conductive mesh 4 is more likely to be broken due to the fracture of the mesh lines 44. In the embodiment, four grid lines 44 are arranged around one mesh 41, the grid unit 4a is in a parallelogram structure, and the first diagonal line and the second diagonal line of the mesh 41 can also be regarded as two diagonals of the grid unit 4 a.
In order to solve the problem that the first conductive grid 4 is easily broken, as shown in fig. 3, in the present embodiment, the first auxiliary lead 6 is disposed on the first surface 11 and electrically connected to the first conductive grid 4, wherein at least two first electrical connection points 61 are disposed between the first auxiliary lead 6 and the first conductive grid 4, and a portion of the first auxiliary lead 6 between the two first electrical connection points 61 is electrically connected. It can be understood that the first electrical connection point 61 is an intersection point between the first auxiliary lead 6 and the grid lines 44 of the first conductive grid 4, and when the grid lines 44 between two first connection points 61 are broken, current can pass through the first auxiliary lead 6, so that the first conductive grid 4 can be prevented from being broken, and therefore, the risk of the first conductive grid 4 being broken due to the broken grid lines 44 can be reduced by the arrangement of the first auxiliary lead 6. In addition, in the present embodiment, the first auxiliary lead 6 is electrically isolated from the first touch layer 2, so as to avoid adverse effects on the touch effect of the touch panel 20.
As shown in fig. 3, in the present embodiment, the first auxiliary lead 6 penetrates through the first conductive mesh 4 in the length direction of the first conductive mesh 4, and meanwhile, the mesh lines 44 intersecting with the first auxiliary lead 6 in the first conductive mesh 4 are electrically connected to the first auxiliary lead 6, so that the anti-disconnection performance of the first conductive mesh 4 can be further improved. In addition, in this embodiment, the line width of the first auxiliary lead 6 is 2um to 30um, and in actual production, the first auxiliary lead 6 may be set to be a straight line, a curved line, a wavy line or an irregular line, meanwhile, the number of the first auxiliary leads 6 is 1, 2 or more, and the first auxiliary leads 6 may intersect or may not intersect.
In this embodiment, the first auxiliary lead 6 and the first conductive grid 4 may be made of the same material, and they may be integrally formed on the substrate 1. In addition, in actual production, the first conductive grid 4, the first auxiliary lead 6 and the first touch layer 2 may also be formed on the substrate 1 at the same time. For example, during production, a corresponding metal layer is disposed on the first surface 11, and then the first conductive grid 4, the first auxiliary lead 6 and the first touch layer 2 are simultaneously prepared through a yellow light process.
In an actual product, for example, taking Wacom G14 IC as an example, in order to realize a narrow frame design of the touch panel 20, a relationship between a width D of the first conductive mesh 4 and a width D of the mesh 41 of the first conductive mesh 4 is usually D ≦ 1.5D, that is, as shown in fig. 3 and 5, at this time, there is only one complete mesh 41 in a width direction of the first conductive mesh 4, and in a length direction of the first conductive mesh 4, only one intersection 45 can be used to electrically connect two adjacent mesh units 4a, and when the intersection 45 is broken, the first conductive mesh 4 is broken.
As shown in fig. 3 and 5, in the present embodiment, the first auxiliary lead 6 is straight and arranged in parallel with the second diagonal line 43 of the mesh 41. Meanwhile, the first auxiliary lead 6 is arranged at an interval with the second diagonal 43, that is, the first auxiliary lead 6 does not pass through the intersection point 45 of two adjacent grid cells 4a, so that the anti-disconnection performance of the first conductive grid 4 can be further improved.
As shown in fig. 2 and 6, in the present embodiment, the second conductive mesh 5 is disposed on the surface of the substrate 1 facing away from the first touch layer 2, i.e. the second conductive mesh 5 is disposed on the second surface 12. In the present embodiment, the second conductive mesh 5 is electrically isolated from the second touch layer 3, and a projection of the second conductive mesh 5 on the first surface 11 is located between the touch area 13 and the first bonding area 15. The second conductive grid 5 is used for being connected with a driving device so as to receive the driving of the driving device, and further shielding an interference signal generated by the first binding area 15 to the touch area 13. In this embodiment, the second conductive mesh 5 operates on the same principle as the first conductive mesh 4, and the driving device applies a connected voltage to the second conductive mesh 5, so that the second conductive mesh 5 generates a shielding magnetic field to shield the interference signal generated by the first bonding region 15.
Similarly, in order to realize a narrow bezel design of the touch panel 20, the width of the second conductive grid 5 is also reduced, wherein the width of the second conductive grid 5 refers to the dimension of the second conductive grid 5 in the direction from the first bonding area 15 to the touch area 13. For the same reason, the second conductive mesh 5 also runs the risk of being vulnerable to breakage.
To address this problem, in the present embodiment, the second auxiliary lead 7 is disposed on the second surface 12 of the substrate 1 and electrically connected to the second conductive grid 5, wherein at least two second electrical connection points are disposed between the second auxiliary lead 7 and the second conductive grid 5, and a portion of the second auxiliary lead 7 located between the two second electrical connection points is electrically connected. It can be understood that the second electrical connection point is an intersection point between the second auxiliary lead 7 and the grid line 42 of the second conductive grid 5, and when the grid line 42 between the two second connection points is broken, current can pass through the second auxiliary lead 7, so that the second conductive grid 5 can be prevented from being broken, and the risk of the second conductive grid 5 being broken due to the broken grid line 42 can be reduced by the arrangement of the second auxiliary lead 7. In addition, in the present embodiment, the second auxiliary lead 7 is electrically isolated from the second touch layer 3, so as to avoid adverse effects on the touch effect of the touch panel 20.
In this embodiment, the principle of shielding the interference signal generated by the first bonding region 15 by the second conductive mesh 5 is the same as the principle of shielding the interference signal generated by the second bonding region 16 by the first conductive mesh 4, and at the same time, the principle of reducing the risk of breaking the circuit of the second conductive mesh 5 by the second auxiliary lead 7 is the same as the principle of reducing the risk of breaking the circuit of the first conductive mesh 4 by the first auxiliary lead 6. The second conductive mesh 5 and the second auxiliary lead 7 may be formed in the same manner, except that the positions of the second conductive mesh 4 and the first auxiliary lead 6 are different from each other on the substrate 1. Therefore, the specific arrangement of the second conductive grid 5 and the second auxiliary lead 7 is not described herein again.
In the above embodiments, the touch panel 20 is actually equivalent to a DITO touch panel, and it is understood that in some embodiments, the touch panel 20 may also be similar to the SITO touch panel 20, for example, as shown in fig. 7, in which case, the first touch layer 2 is disposed on the first surface 11 and extends from the touch region 13 to the first bonding area 15; the second touch layer 3 is disposed on the first surface 11 and extends from the touch area 13 to the second binding area 16. The first touch layer 2 and the second touch layer 3 are electrically isolated, and a capacitive contact is formed in the touch area 13. The crossing of the first touch lead 21 and the second touch lead 31 is bridged, so as to electrically isolate the two. At this time, the first conductive mesh 4, the first auxiliary lead 6, the second conductive mesh 5, and the second auxiliary lead 7 are all disposed on the second surface 12, wherein the structural arrangement manner of the first conductive mesh 4, the first auxiliary lead 6, the second conductive mesh 5, and the second auxiliary lead 7 is the same as that of the above-mentioned embodiment, and the description of this embodiment is omitted.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. A touch panel, comprising:
the substrate is provided with a touch area, a first binding area and a second binding area, wherein the first binding area and the second binding area are positioned outside the touch area and are arranged at intervals with the touch area;
the first touch layer is arranged on the substrate and extends from the touch area to the first binding area;
the second touch layer is arranged on the substrate and extends from the touch area to the second binding area; the first touch layer and the second touch layer are electrically isolated, and a capacitive contact is formed in the touch area to detect touch information of a user;
the first conductive grid is arranged on the surface of the substrate, which is away from the second touch layer, and the projection of the first conductive grid on the surface of the substrate, which is used for arranging the second touch layer, is positioned between the touch area and the second binding area; the first conductive grid is electrically isolated from the first touch layer, and the first conductive grid is used for being connected with a driving device so as to receive the driving of the driving device and shield an interference signal generated by the second binding area to the touch area;
the first auxiliary lead is arranged on the substrate and is electrically connected with the first conductive grid, at least two first electric connection points are arranged between the first auxiliary lead and the first conductive grid, and the part of the first auxiliary lead between the two first electric connection points is electrically conducted.
2. The touch panel according to claim 1, wherein the first auxiliary lead penetrates the first conductive mesh in a length direction of the first conductive mesh, and grid lines intersecting the first auxiliary lead in the first conductive mesh are electrically connected to the first auxiliary lead; the length direction of the first conductive grid is perpendicular to the width direction of the first conductive grid, and the width direction of the first conductive grid is the direction from the second binding area to the touch area; and/or
The line width of the first auxiliary lead is 2um-30 um; and/or
The first auxiliary lead is a straight line or a curve; and/or
The number of the first auxiliary leads is more than or equal to 1; and/or
The first conductive grid is a metal grid; and/or
The material of the first auxiliary lead is the same as that of the first conductive grid; and/or
The first auxiliary lead is integrally formed with the first conductive mesh.
3. The touch panel of claim 1, wherein the first auxiliary lead is a wavy line.
4. The touch panel according to claim 1, wherein the first auxiliary lead is an irregular line.
5. The touch panel of claim 1, wherein the mesh of the first conductive grid is a parallelogram having a first diagonal line and a second diagonal line, wherein the first diagonal line is parallel to the width direction of the first conductive grid, and the second diagonal line is parallel to the length direction of the first conductive grid.
6. The touch panel according to claim 5, wherein a relationship between a width D of the first conductive mesh and a width D of meshes of the first conductive mesh, D ≦ 1.5D, wherein the width of the meshes of the first conductive mesh refers to a maximum dimension of the meshes of the first conductive mesh in a width direction of the first conductive mesh; and/or
The meshes of the first conductive grid are rhombus.
7. The touch panel according to any one of claims 1 to 5, wherein the width of the first conductive mesh is 1mm to 2 mm.
8. The touch panel of claim 1, wherein the substrate has a first surface and a second surface opposite to each other; the first touch layer, the first conductive mesh and the first auxiliary lead are all disposed on the first surface, and the second touch layer is disposed on the second surface.
9. The touch panel of claim 8, wherein the first touch layer, the first conductive mesh, and the first auxiliary lead are simultaneously patterned on the first surface.
10. The touch panel of claim 1, wherein the substrate has a first surface and a second surface opposite to each other; the first touch layer, the second touch layer, the first conductive grid and the first auxiliary lead are all arranged on the first surface, wherein the first touch layer is electrically isolated from the second touch layer, and the first conductive grid is electrically isolated from the second touch layer.
11. The touch panel according to claim 1, further comprising:
the second conductive grid is arranged on the surface, away from the first touch layer, of the substrate, and the projection of the second conductive grid on the surface, used for arranging the first touch layer, of the substrate is located between the touch area and the first binding area; the second conductive grid is electrically isolated from the second touch layer, and the second conductive grid is used for being connected with a driving device so as to receive the driving of the driving device and shield an interference signal generated by the first binding area to the touch area;
and the second auxiliary lead is arranged on the substrate and is electrically connected with the second conductive grid, at least two second electric connection points are arranged between the second auxiliary lead and the second conductive grid, and the part of the second auxiliary lead between the two second electric connection points is electrically conducted.
12. An electronic device comprising the touch panel according to any one of claims 1 to 11.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010447703.4A CN111625141B (en) | 2020-05-25 | 2020-05-25 | Touch panel and electronic equipment |
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| CN202010447703.4A CN111625141B (en) | 2020-05-25 | 2020-05-25 | Touch panel and electronic equipment |
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| CN111625141B true CN111625141B (en) | 2022-05-10 |
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| CN112230802B (en) * | 2020-10-26 | 2024-01-26 | 京东方科技集团股份有限公司 | Touch panel and display device |
| CN116061548B (en) * | 2022-11-29 | 2024-06-14 | 浙江微铸科技有限公司 | Composite screen printing plate |
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