Capacitive touch screen and electronic equipment

Abstract

The invention relates to the technical field of touch display, and discloses a capacitive touch screen which comprises a touch area and a bonding area, the touch area comprises a first electrode layer, an insulating layer and a second electrode layer, a first lead is guided to the second electrode layer through a communicating hole in the insulating layer, the first lead comprises a first outgoing line and a first connecting line, and the second lead comprises a second outgoing line and a second connecting line. The first lead-out wire is located on the first electrode layer, the first connecting wire is located on the second block, the first connecting wire and a part of metal wires of the second block are multiplexed, the first connecting wire is not communicated with the other metal wires on the second block, and the third width W3 of the first connecting wire in the first direction meets the condition that 1 / 2W1 < = W3 < = 5 / 2W1. According to the scheme, by reasonably limiting the width of the first connecting lines in the second blocks in the first direction, crosstalk of the first connecting lines in the touch area to the second electrodes is reduced, and therefore the overall touch performance of the capacitive touch screen is improved. The invention further discloses an electronic device with the capacitive touch screen.

Description

Technical Field

[0001] The present invention relates to the field of touch display technology, and in particular to a capacitive touch screen and electronic equipment. Background Art

[0002] Traditional capacitive touch screens include a touch area and a routing area. Usually, the electrode leads are routed through the routing area outside the touch area, and finally guided to the bonding area for bonding. This traditional routing method will cause the screen ratio of the touch display area to become smaller, which is not conducive to achieving borderless or narrow borders. In order to further reduce the area of ​​the edge routing area to achieve borderless or narrower borders, the electrode leads of one of the electrode layers are usually routed through the in-plane jump hole of the touch area, and the electrode leads of the two electrode layers are guided to the same electrode layer for routing, thereby achieving that a separate edge routing area is not required outside the touch area, thereby achieving a narrow border or three-sided borderless design.

[0003] However, since the in-plane capacitive touch screen guides the electrode leads of different electrode layers to the same electrode layer, the electrode leads guided to another electrode layer through the jump holes will cause crosstalk to the electrode signals of the electrode layer, thereby causing a decrease in touch performance. Summary of the invention

[0004] The present invention aims to solve at least one of the problems in the background technology. To this end, the present invention provides a capacitive touch screen and an electronic device, wherein the capacitive touch screen reasonably limits the width of the first lead in the second block, so that the crosstalk of the first lead in the touch area to the second electrode is reduced, thereby improving the overall touch performance of the capacitive touch screen.

[0005] According to a first aspect of an embodiment of the present invention, a capacitive touch screen includes a touch area and a bonding area, wherein the touch area includes a first electrode layer, an insulating layer, and a second electrode layer, wherein the first electrode layer includes a plurality of first electrodes and a first block extending along a first direction, wherein the plurality of first blocks are arranged between two adjacent first electrodes, and each first electrode leads to a first lead; the insulating layer is provided with a plurality of connecting holes; the second electrode layer includes a plurality of second electrodes and a second block extending along a second direction, wherein the plurality of second blocks are arranged between two adjacent second electrodes, and each second electrode leads to a second lead at one end close to the bonding area, wherein the first lead is guided to the second block of the second electrode layer through the connecting hole, and the plurality of connecting holes on the second electrode layer The first lead and the second lead extend to the bonding area along the second direction; wherein the first electrode layer and the second electrode layer are both metal grid layers, the metal grid layer includes a plurality of grid patterns formed by crossing metal wires, and the first width W1 of each of the grid patterns along the first direction is smaller than the second width W2 thereof along the second direction, and at the same time, the first lead includes a first lead-out line and a first connecting line, the first lead-out line is located in the first electrode layer, the first connecting line is located in the second block, the first connecting line is reused with part of the metal wires in the second block, and the first connecting line is not connected with the remaining metal wires on the second block, and the third width W3 of the first connecting line along the first direction satisfies the condition: 1 / 2W1≤W3≤5 / 2W1.

[0006] This solution reduces the crosstalk of the first connection line in the touch area to the second electrode by reasonably limiting the width of the first connection line in the second block along the first direction, thereby improving the overall touch performance of the capacitive touch screen.

[0007] According to another embodiment of the present invention, a plurality of ground lines are disposed on the first block, the plurality of ground lines are respectively disposed on both sides of each of the first connecting lines, and a fourth width W4 of the ground line along the first direction is ≥ 1 / 2*W1.

[0008] According to another embodiment of the present invention, the first connecting line includes a plurality of first main body parts, second main body parts and connecting parts, and adjacent first main body parts and second main body parts are connected via one of the connecting parts.

[0009] According to another embodiment of the present invention, any one of the first main body portion, the second main body portion and the remaining one of the metal wires on the second block are located on the same straight line.

[0010] According to another embodiment of the present invention, the first connecting line includes a plurality of first main body portions and a plurality of second main body portions, and the plurality of first main body portions and the plurality of second main body portions are sequentially connected in intervals.

[0011] According to another embodiment of the present invention, the first main body portion and the second main body portion have the same width along the first direction, a fifth width W5 of the first main body portion and the second main body portion along the first direction satisfies the condition: 1 / 2W1<W5≤5 / 2W1, and the first main body portion and the second main body portion are both located in the same straight line as the remaining metal wire on the second block.

[0012] According to another embodiment of the present invention, the first main body portion and the second main body portion have the same width along the first direction, a sixth width W6 of the first main body portion and the second main body portion along the first direction is W6=1 / 2*W1, and the first main body portion, the second main body portion and the remaining metal wires on the second block are not located in the same straight line.

[0013] According to another embodiment of the present invention, a first width W1 of the grid pattern along the first direction satisfies the condition: 200 μm≤W1≤600 μm.

[0014] According to another embodiment of the present invention, the grid pattern is one or a combination of rhombus, pentagon, hexagon or ellipse.

[0015] An electronic device according to an embodiment of a second aspect of the present invention comprises any of the above-mentioned capacitive touch screens.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention discloses a capacitive touch screen, comprising a touch area and a bonding area, wherein the touch area comprises a first electrode layer, an insulating layer and a second electrode layer, wherein the first electrode layer comprises a plurality of first electrodes and a first block extending along a first direction, wherein the plurality of first blocks are arranged between two adjacent first electrodes, and each first electrode leads out with a first lead; the insulating layer is provided with a plurality of connecting holes; the second electrode layer comprises a plurality of second electrodes and a second block extending along a second direction, wherein the plurality of second blocks are arranged between two adjacent second electrodes, and each second electrode leads out with a second lead at one end close to the bonding area, wherein the first lead is guided to the second block of the second electrode layer through the connecting hole, and the plurality of first leads and second leads on the second electrode layer extend along the second direction to the bonding area; wherein the first electrode layer and the second electrode layer are both The metal grid layer includes a plurality of grid patterns formed by crossing metal lines, and a first width W1 of each grid pattern along a first direction is smaller than a second width W2 thereof along a second direction. Meanwhile, the first lead includes a first lead-out line and a first connecting line, the first lead-out line is located in the first electrode layer, the first connecting line is located in the second block, the first connecting line is reused with part of the metal lines in the second block, and the first connecting line is not connected with the remaining metal lines on the second block, and a third width W3 of the first connecting line along the first direction satisfies the condition: 1 / 2W1≤W3≤5 / 2W1. It can be seen that this scheme reduces the crosstalk of the first connecting line in the touch area to the second electrode by reasonably limiting the width of the first connecting line in the second block along the first direction, thereby improving the overall touch performance of the capacitive touch screen.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are only used to illustrate the embodiments and are not to be considered as limiting the present invention. In addition, the same reference symbols are used to represent the same components throughout the accompanying drawings. In the accompanying drawings:

[0020] Figure 1 is a schematic diagram of an embodiment of a capacitive touch screen in the prior art;

[0021] Figure 2 for Figure 1 A partially enlarged schematic diagram of an embodiment of a capacitive touch screen;

[0022] Figure 3 A schematic diagram of an embodiment of a capacitive touch screen provided by the present application;

[0023] Figure 4 for Figure 3 An enlarged schematic diagram of an embodiment at A of an embodiment of a capacitive touch screen in FIG.

[0024] Figure 5 for Figure 3 Another enlarged schematic diagram of an embodiment of a capacitive touch screen at A in FIG.

[0025] Figure 6 for Figure 3 A further enlarged schematic diagram of an embodiment of a capacitive touch screen in FIG.

[0026] Figure 7 for Figure 3 A further embodiment of the capacitive touch screen embodiment is shown in FIG.

[0027] Figure 8 A schematic diagram of an embodiment of a first electrode layer of a capacitive touch screen provided by the present application;

[0028] Fig. 9 A schematic diagram of an embodiment of a second electrode layer of a capacitive touch screen provided by the present application;

[0029] Fig.10 A cross-sectional schematic diagram of an embodiment of a capacitive touch screen provided by the present application;

[0030] Fig.11 A cross-sectional schematic diagram of an embodiment of an electronic device provided by the present application;

[0031] The meanings of the marks in the figure are:

[0032] 1. Capacitive touch screen; 2. Visual area; 3. Binding area; 4. First wiring;

[0033] 10. Electronic equipment;

[0034] 100. capacitive touch screen; 101. touch area; 102. bonding area;

[0035] 110, first electrode layer; 111, first electrode; 112, first block; 113, first lead;

[0036] 1131, first lead wire; 1132, first connecting wire; 11321, first main body;

[0037] 11322. second main body; 11323. connecting part;

[0038] 120, insulating layer; 121, communicating hole;

[0039] 130, second electrode layer; 131, second electrode; 132, second block; 1321, ground line;

[0040] 133, second lead;

[0041] 140, metal wire; 141, grid pattern;

[0042] 150. Ground bus. DETAILED DESCRIPTION

[0043] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0044] In the description of the present invention, it is to be understood that a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0045] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] To illustrate the capacitive touch screen and electronic device provided by the present application, the following is a detailed description in conjunction with the accompanying drawings and the textual description of the embodiments.

[0047] refer to Figure 1 and Figure 2 A capacitive touch screen 1 in the prior art is described, such as Figure 1 and Figure 2 As shown, the capacitive touch screen 1 includes a visible area 2 and an edge area 3, the visible area 2 includes a first touch layer, a first insulating layer and a second touch layer, the first wiring 4 of the first touch layer passes through the first insulating layer and leads to the second touch layer, specifically, the first wiring 4 on the second touch layer occupies a larger surface, therefore, it will cause crosstalk to the electrode area of ​​the adjacent second touch layer, affecting the overall touch performance.

[0048] In order to solve the technical problems in the prior art, Figure 3-Figure 10 A capacitive touch screen 100 according to an embodiment of the first aspect of the present invention is described. Figure 3-Figure 10As shown, the capacitive touch screen 100 includes a touch area 101 and a bonding area 102, and the edge area 3 is arranged at the edge of any side of the touch area 101. Specifically, the touch area 101 includes a first electrode layer 110, an insulating layer 120 and a second electrode layer 130. The insulating layer 120 is arranged between the first electrode layer 110 and the second electrode layer 130 to achieve electrical isolation between the first electrode layer 110 and the second electrode layer 130. Further, the first electrode layer 110 includes a plurality of first electrodes 111 and a first block 112 extending along a first direction. The plurality of first blocks 112 are arranged between two adjacent first electrodes 111. Each first electrode 111 leads to a first lead 113. Further, the insulating layer 120 has a plurality of first electrodes 111 and a first lead 113. The first lead 113 is provided with a plurality of connecting holes 121, and the plurality of first leads 113 can pass through the connecting holes 121. Further, the second electrode layer 130 includes a plurality of second electrodes 131 and a second block 132 extending along the second direction, and the plurality of second blocks 132 are arranged between two adjacent second electrodes 131. A second lead 133 is led out from one end of each second electrode 131 close to the bonding area 102. The first lead 113 is guided to the second block 132 of the second electrode layer 130 through the connecting hole 121, and the plurality of first leads 113 and second leads 133 on the second electrode layer 130 extend along the second direction to the bonding area 102, wherein the first electrode layer 110 and the second electrode layer 130 are both metal mesh layers. The metal grid layer includes a plurality of grid patterns 141 formed by crossing metal lines 140, and a first width W1 of each grid pattern 141 along the first direction is smaller than a second width W2 thereof along the second direction, that is, the width of each grid pattern 141 along the second direction extending from the first lead 113 and the second lead 133 becomes larger, and the width perpendicular to the first direction extending from the first lead 113 and the second lead 133 is reduced, thereby reducing the width of the first lead 113 along the second direction, thereby reducing the crosstalk to the second electrode 131. Specifically, the first lead 113 includes a first lead line 1131 and a first connecting line 1132. The first lead line 1131 is located between the first electrode layer 110 and the insulating layer 120. The first connecting line 1132 is located between the first electrode layer 110 and the insulating layer 120. The wiring 1132 is located in the second block 132. Furthermore, the first connection line 1132 is reused with part of the metal lines 140 in the second block 132, and the first connection line 1132 is not connected to the remaining metal lines 140 on the second block 132. The third width W3 of the first connection line 1132 along the first direction satisfies the condition: 1 / 2W1≤W3≤5 / 2W1. It can be understood that this scheme can reduce the effective width of the first connection line 1132 in the first direction by reasonably limiting the width of the first connection line 1132 in the second block 132 along the first direction, thereby reducing the crosstalk of the first connection line 1132 in the second block 132 to the second electrode 131, thereby improving the overall touch performance of the capacitive touch screen 100.

[0049] It should be noted that the first direction and the second direction are respectively the directions in which the first electrode 111 and the second electrode 131 extend, and the first direction and the second direction are perpendicular to each other. Specifically, in this embodiment, Figure 3 As shown, the first direction can be Figure 3 The X direction in the second direction is Figure 3 in the Y direction.

[0050] It should be noted that the sizes and dimensions of the multiple grid graphics 141 can be exactly the same, or the sizes and dimensions of the multiple grid graphics 141 can be partially the same. For example, the multiple grid graphics 141 have the same first width W1 in the first direction and different second widths W2 in the second direction. Alternatively, the sizes and dimensions of the multiple grid graphics 141 can be completely different, that is, the sizes and dimensions of the multiple grid graphics 141 are randomly generated and are not reproducible. In this case, it is sufficient to ensure that the size and dimensions of each grid graphic 141 satisfy the first width W1 along the first direction is less than the second width W2 along the second direction.

[0051] It should be noted that the first width W1 of each grid pattern 141 along the first direction and the second width W2 of each grid pattern 141 along the second direction are the maximum distances of each closed grid pattern 141 along the first direction and the second direction.

[0052] According to one embodiment of the present invention, Figure 7 As shown, a plurality of ground lines 1321 are arranged on the first block 112, and the plurality of ground lines 1321 are respectively arranged on both sides of each first connecting line 1132. Furthermore, a fourth width W4 of the ground line 1321 along the first direction is ≥ 1 / 2*W1. It can be understood that by arranging the ground line 1321 on the second block 132, the shielding effect of the electrical signal generated by the first connecting line 1132 can be further enhanced, thereby reducing the crosstalk of the first connecting line 1132 to the second electrode 131, thereby improving the overall touch performance.

[0053] It should be noted that the fourth width W4 of the ground line 1321 along the first direction can be set to a larger value within the allowable range, so as to further enhance the shielding effect of the electrical signal generated by the first connecting line 1132 by expanding the area of ​​the ground line 1321 .

[0054] It should be noted that the plurality of ground lines 1321 extend along the second direction and eventually reach the bonding area 102 . Furthermore, a ground bus 150 may be provided in the bonding area 102 , and the ground bus 150 may aggregate the plurality of ground lines 1321 .

[0055] It should be noted that the number of ground wires 1321 disposed on both sides of the first connecting wire 1132 and the sizes and shapes of the ground wires 1321 can be the same, so that the ground wires 1321 are disposed symmetrically to avoid affecting the appearance of the capacitive touch screen 100 .

[0056] It should be noted that the plurality of ground lines 1321 are reused with a portion of the metal lines 140 of the second block 132 , and the first connection line 1132 is not connected to the first connection line 1132 on the second block 132 .

[0057] According to one embodiment of the present invention, Figure 7 As shown, the first connecting line 1132 includes a plurality of first main body portions 11321, a second main body portion 11322 and a connecting portion 11323. Preferably, the connecting portion 11323 extends along the second direction, and the adjacent first main body portions 11321 and the second main body portions 11322 extend along two different directions that are not parallel to the first direction and the second direction, respectively, and the extension lines of the first main body portions 11321 and the second main body portions 11322 intersect with the extension line of the connecting portion 11323, and are connected by a connecting portion 11323. That is to say, at this time, the plurality of first main body portions 11321, the connecting portion 11323 and the second main body portions 11322 are alternately connected in sequence. The first connecting line 1132 is formed. Furthermore, the length of the connecting portion 11323 is smaller than half of the width of the first main body 11321 or the second main body 11322 along the first direction. It can be understood that by providing a connecting portion 11323 between the first main body 11321 and the second main body 11322 with a different extension direction from the two, it is possible to avoid the first main body 11321 and the second main body 11322 directly contacting and forming an acute angle, thereby causing electrostatic discharge at the ESD tip. At the same time, by reasonably setting the length of the connecting portion 11323, it is possible to avoid the length of the connecting portion 11323 being too large, which would affect the appearance of the overall grid pattern 141.

[0058] It should be noted that, in the present embodiment, the third width W3 of the first connection line 1132 along the first direction is only half of the first width W1 of each grid pattern 141 along the first direction. At the same time, a ground line 1321 can be respectively set on both sides of the first connection line 1132. At this time, the fourth width W4 of each ground line 1321 along the first direction is only half of the first width W1 of each grid pattern 141 along the first direction. Therefore, at this time, the sum of the total effective width W3+2W4 occupied by the first connection line 1132 and the two ground lines 1321 is 3 / 2W1. At this time, the effective area of ​​the second block 132 occupied by the first connection line 1132 and the ground line 1321 on the second block 132 is the smallest. At this time, the crosstalk of the first connection line 1132 to the second electrode 131 can be minimized to the greatest extent, and the touch performance can be maximized.

[0059] It should be noted that, in this embodiment, the first main body portion 11321 extends along a first inclined direction, and the second main body portion 11322 extends along a second inclined direction. Furthermore, the first inclined direction and the second inclined direction are the same as an extension direction of the metal wire 140 of the second electrode layer 130. Furthermore, the first inclined direction and the second inclined direction are symmetrical to each other, and the axis of symmetry is the first direction.

[0060] It should be noted that, in this embodiment, the connecting portion 11323 extends along the first direction. At this time, the connecting portion 11323 can be a straight line segment to avoid the electrostatic discharge of the ESD tip to the greatest extent. It should be noted that in other embodiments, the connecting portion 11323 can also be other shapes. For example, the connecting portion 11323 is set to be an arc shape or a combination of multiple arc shapes, etc. It can be understood that the shape of the connecting portion 11323 can also be set according to different usage scenarios, and no specific limitation is made here.

[0061] It should be noted that, in this embodiment, the grid pattern 141 may be a rhombus, a square or a hexagon.

[0062] According to one embodiment of the present invention, Figure 4 and Figure 5 As shown, any first main body 11321, the second main body 11322 and the remaining metal wire 140 on the second block 132 are located on the same straight line, that is, any first main body 11321 and the metal wire 140 have the same extension direction, and at the same time, any second main body 11322 and the metal wire 140 have the same extension direction. It can be understood that by arranging the first main body 11321 and the second main body 11322 to be on the same straight line with the remaining metal wire 140, the multiple grid patterns 141 of the touch area 101 can be made closer to exactly the same pattern, thereby improving the overall appearance uniformity and avoiding affecting the appearance of the capacitive touch screen 100.

[0063] According to one embodiment of the present invention, Figure 4 As shown, the first connecting line 1132 includes a plurality of first main body portions 11321 and a second main body portion 11322, and the plurality of first main body portions 11321 and the plurality of second main body portions 11322 are connected in sequence at intervals, that is, at this time, the plurality of first main body portions 11321 and the second main body portions 11322 are alternately connected in sequence to form the first connecting line 1132. Specifically, adjacent first main body portions 11321 and second main body portions 11322 extend along two different directions that are not parallel to the first direction and the second direction, respectively, and one end of the first main body portion 11321 intersects with one end of the adjacent second main body portion 11322 to achieve direct connection.

[0064] It should be noted that, in this embodiment, the first main body portion 11321 extends along a first inclined direction, and the second main body portion 11322 extends along a second inclined direction. Furthermore, the first inclined direction and the second inclined direction are the same as an extension direction of the metal wire 140 of the second electrode layer 130. Furthermore, the first inclined direction and the second inclined direction are symmetrical to each other, and the axis of symmetry is the first direction.

[0065] According to one embodiment of the present invention, Figure 5 As shown, the first connecting line 1132 includes a plurality of first main body portions 11321 and a second main body portion 11322, and the plurality of first main body portions 11321 and the second main body portions 11322 are alternately connected in sequence to form the first connecting line 1132. Further, the widths of the first main body portions 11321 and the second main body portions 11322 along the first direction are the same, and the fifth width W5 of the first main body portions 11321 and the second main body portions 11322 along the first direction satisfies the condition: 1 / 2W1<W5≤3 / 2W1, that is, the first The fifth width W5 of the main body 11321 or the second main body 11322 along the first direction is greater than half of the first width W1 of each grid pattern 141 along the first direction, and the fifth width W5 of the first main body 11321 or the second main body 11322 along the first direction is less than or 1.5 times the first width W1 of each grid pattern 141 along the first direction. Preferably, the fifth width W5 of the first main body 11321 or the second main body 11322 along the first direction is equal to the fifth width W5 of each grid pattern 141 along the first direction. 1.5 times of the first width W1, it can be understood that at this time, the gap between the first main body 11321 or the second main body 11322 and the remaining metal wires 140 is just located on the metal wires 140 of the first electrode layer 110. Therefore, after the first electrode layer 110 and the second electrode layer 130 are superimposed, the gap between the first main body 11321 or the second main body 11322 and the remaining metal wires 140 is just blocked, thereby achieving a more uniform overall grid pattern 141, improving the consistency of the appearance, and further In the step, the first main body 11321 and the second main body 11322 are both located on the same straight line as the remaining metal line 140 on the second block 132. It can be understood that by arranging the first main body 11321 and the second main body 11322 to be on the same straight line as the remaining metal line 140 on the second block 132, the multiple grid patterns 141 of the touch area 101 can be closer to the same pattern, thereby improving the overall appearance uniformity and avoiding affecting the appearance of the capacitive touch screen 100.

[0066] It should be noted that, in this embodiment, the lengths of all the first main body portions 11321 are the same, the lengths of all the second main body portions 11322 are the same, and in the second direction, the two ends of all the first main body portions 11321 and the second main body portions 1132 are aligned respectively. It can be understood that such a design can facilitate processing and manufacturing, thereby improving the overall production efficiency.

[0067] It should be noted that, in some other embodiments, the lengths of the multiple first main body portions 11321 may not be exactly the same, and at the same time, the lengths of the multiple second main body portions 11322 may not be exactly the same.

[0068] According to one embodiment of the present invention, Figure 6 As shown, the first connecting line 1132 includes a plurality of first main body portions 11321 and a second main body portion 11322, and the plurality of first main body portions 11321 and the second main body portions 11322 are alternately connected in sequence to form the first connecting line 1132. Further, the widths of the first main body portions 11321 and the second main body portions 11322 along the first direction are the same, and the sixth width W6 of the first main body portions 11321 and the second main body portions 11322 along the first direction is equal to 1 / 2*W1, that is, the sixth width W6 of the first main body portion 11321 or the second main body portion 11322 along the first direction is equal to half of the first width W1 of each grid pattern 141 along the first direction Furthermore, the first main body 11321, the second main body 11322 and the remaining metal wires 140 on the second block 132 are not located in the same straight line. Furthermore, the distance between the two ends of the first main body 11321, the second main body 11322 and the remaining metal wires 140 on the second block 132 is less than or equal to 20μm. It can be understood that by limiting the distance between the two ends of the first main body 11321, the second main body 11322 and the remaining metal wires 140 on the second block 132 to within 20μm, the influence of the first main body 11321 and the second main body 11322 on the consistency of the overall grid pattern 141 is reduced.

[0069] It should be noted that, in the present embodiment, in the second direction, both ends of all the first main body portions 11321 and the second main body portions 1132 are aligned respectively. It can be understood that such a design can facilitate processing and manufacturing, thereby improving the overall production efficiency.

[0070] According to one embodiment of the present invention, Figure 4As shown, the first width W1 of the grid pattern 141 along the first direction satisfies the condition: 200 μm ≤ W1 ≤ 600 μm, that is, the first width W1 of each closed grid pattern 141 along the first direction is between 200 μm and 600 μm, and the first width W1 of each closed grid pattern 141 along the first direction is less than its second width W2 along the second direction. For example, the first width W1 of each closed grid pattern 141 along the first direction is 200 μm, and the second width W2 of each closed grid pattern 141 along the second direction is 300 μm, or each closed grid pattern 141 The first width W1 along the first direction is 300 μm, and the second width W2 of each closed grid pattern 141 along the second direction is 400 μm. Further, the ratio of the first width W1 of each closed grid pattern 141 along the first direction to the second width W2 thereof along the second direction is less than 4 / 5 and greater than 1 / 5. It can be understood that by reasonably setting the ratio of the first width W1 of each closed grid pattern 141 along the first direction to the second width W2 thereof along the second direction, the overall grid pattern 141 can be made more reasonable, which is convenient for arrangement and routing, and is conducive to improving the overall appearance consistency.

[0071] According to one embodiment of the present invention, Figure 4-Figure 7 As shown, the grid pattern 141 is one or more combinations of rhombus, pentagon, hexagon or ellipse. It can be understood that the grid patterns 141 of the first electrode layer 110 and the second electrode layer 130 can all be set to rhombus, pentagon, hexagon or ellipse, or the grid patterns 141 of the first electrode layer 110 and the second electrode layer 130 can all be set to one or more combinations of rhombus, pentagon, hexagon or ellipse, or the grid patterns 141 of the first electrode layer 110 and the second electrode layer 130 can be different. For example, the grid pattern 141 of the first electrode layer 110 41 can be entirely set to rhombus, and the grid pattern 141 of the second electrode layer 130 can be entirely set to hexagon. Further, the grid pattern 141 of the first electrode layer 110 or the second electrode layer 130 can be partially set to rhombus and partially set to hexagon. At the same time, the grid pattern 141 of the first electrode layer 110 or the second electrode layer 130 is completely or mostly symmetrically arranged as a whole. It can be understood that the grid pattern 141 of the first electrode layer 110 or the second electrode layer 130 can be arranged according to different usage scenarios to meet more usage requirements, and no specific limitation is made here.

[0072] Reference below Fig.11 An electronic device 10 according to an embodiment of the second aspect of the present invention is described. Fig.11As shown, the capacitive touch screen 100 includes a touch area 101 and a bonding area 102. The touch area 101 includes a first electrode layer 110, an insulating layer 120, and a second electrode layer 130. The first electrode layer 110 includes a plurality of first electrodes 111 and a first block 112 extending along a first direction. The plurality of first blocks 112 are arranged between two adjacent first electrodes 111. Each first electrode 111 leads to a first lead 113. The insulating layer 120 is provided with a plurality of connecting holes 121. The second electrode layer 130 includes a plurality of connecting holes 121 and a first block 112 extending along a first direction. The plurality of first blocks 112 are arranged between two adjacent first electrodes 111. Each first electrode 111 leads to a first lead 113. The electrode layer 130 includes a plurality of second electrodes 131 and a second block 132 extending along the second direction, wherein the plurality of second blocks 132 are disposed between two adjacent second electrodes 131, and a second lead 133 is led out from one end of each second electrode 131 close to the bonding area 102, and the first lead 113 is led to the second block 132 of the second electrode layer 130 through the connecting hole 121, and the plurality of first leads 113 and second leads 133 on the second electrode layer 130 extend along the second direction to the bonding area 102; wherein the first electrode layer 1 The first electrode layer 110 and the second electrode layer 130 are both metal grid layers, the metal grid layer includes a plurality of grid patterns 141 formed by crossing metal wires 140, and a first width W1 of each grid pattern 141 along the first direction is smaller than a second width W2 thereof along the second direction, and the first lead 113 includes a first lead line 1131 and a first connecting line 1132, the first lead line 1131 is located in the first electrode layer 110, the first connecting line 1132 is located in the second block 132, and the first connecting line 1132 and a portion of the metal of the second block 132 are connected. The metal lines 140 are reused, and the first connecting line 1132 is not connected to the other metal lines 140 on the second block 132. The third width W3 of the first connecting line 1132 along the first direction satisfies the condition: 1 / 2W1≤W3≤3 / 2W1. It can be seen that the capacitive touch screen 100 reduces the crosstalk of the first connecting line 1132 in the touch area 101 to the second electrode 131 by reasonably limiting the width of the first connecting line 1132 in the second block 132 along the first direction, thereby improving the overall touch performance of the capacitive touch screen 100.

[0073] The capacitive touch screen and electronic device provided above are preferred embodiments and should not be construed as limiting the scope of protection of the present application. Those skilled in the art should be aware that various improvements or replacements may be made without departing from the concept of the present application, and all improvements or replacements should be within the scope of protection of the present application, that is, the scope of protection of the present application should be based on the claims.

[0074] In the absence of conflict, the above embodiments and features in the embodiments may be combined with each other.

Claims

1. A capacitive touch screen, comprising a touch area and a bonding area, characterized in that: The touch area includes: A first electrode layer, wherein the first electrode layer includes a plurality of first electrodes and first blocks extending along a first direction, wherein the plurality of first blocks are disposed between two adjacent first electrodes, and each first electrode has a first lead wire extending therefrom; An insulating layer, wherein the insulating layer is provided with a plurality of connecting holes; a second electrode layer, the second electrode layer comprising a plurality of second electrodes and a second block extending along a second direction, the plurality of second blocks being arranged between two adjacent second electrodes, a second lead being led out from one end of each second electrode close to the bonding area, the first lead being led to the second block of the second electrode layer through the connecting hole, and the plurality of first leads and the second leads on the second electrode layer extending along the second direction to the bonding area; Among them, the first electrode layer and the second electrode layer are both metal grid layers, the metal grid layer includes a plurality of grid patterns formed by crossing metal lines, and the first width W1 of each of the grid patterns along the first direction is smaller than the second width W2 thereof along the second direction, and at the same time, the first lead includes a first lead line and a first connecting line, the first lead line is located in the first electrode layer, the first connecting line is located in the second block, the first connecting line is reused with part of the metal lines in the second block, and the first connecting line is not connected with the remaining metal lines on the second block, and the third width W3 of the first connecting line along the first direction satisfies the condition: 1 / 2W1≤W3≤5 / 2W1.

2. The capacitive touch screen according to claim 1, wherein: A plurality of ground lines are disposed on the first block, and the plurality of ground lines are respectively disposed on both sides of each of the first connecting lines, and a fourth width W4 of the ground line along the first direction is ≥ 1 / 2*W1.

3. The capacitive touch screen according to claim 2, characterized in that: The first connecting line includes a plurality of first main body parts, a second main body part and a connecting part, and adjacent first main body parts and second main body parts are connected via one of the connecting parts.

4. The capacitive touch screen according to claim 3, characterized in that: Any one of the first main body portion, the second main body portion and the remaining one of the metal wires on the second block are located on the same straight line.

5. The capacitive touch screen according to claim 2, wherein: The first connecting line includes a plurality of first main body parts and a second main body part, and the plurality of first main body parts and the plurality of second main body parts are sequentially connected at intervals.

6. The capacitive touch screen according to claim 5, characterized in that: The first main body and the second main body have the same width along the first direction, and the fifth width W5 of the first main body and the second main body along the first direction satisfies the condition: 1 / 2W1<W5≤5 / 2W1, and the first main body and the second main body are both located in the same straight line as the remaining metal line on the second block.

7. The capacitive touch screen according to claim 5, characterized in that: The first main body and the second main body have the same width along the first direction, a sixth width W6 of the first main body and the second main body along the first direction is W6=1 / 2*W1, and the first main body, the second main body and the remaining metal wires on the second block are not located in the same straight line.

8. The capacitive touch screen according to claim 1, wherein: A first width W1 of the grid pattern along the first direction satisfies the condition: 200 μm≤W1≤600 μm.

9. The capacitive touch screen according to claim 1, wherein: The grid pattern is one or a combination of rhombus, pentagon, hexagon or ellipse.

10. An electronic device, characterized in that: A capacitive touch screen comprising any one of claims 1-9.

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