WO2021081716A1

WO2021081716A1 - Touch sensor pattern, touch sensor, touch device and electronic terminal

Info

Publication number: WO2021081716A1
Application number: PCT/CN2019/113756
Authority: WO
Inventors: 王朋; 刘武
Original assignee: 深圳市汇顶科技股份有限公司
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2021-05-06
Also published as: CN111065994B; CN111065994A

Abstract

A touch sensor pattern, a touch sensor, a touch device and an electronic terminal. The touch sensor pattern comprises: at least two sensing units, each of the two sensing units comprising a first sensing electrode arranged in a first direction, a second sensing electrode arranged in a second direction, a first driving electrode arranged in a third direction and a second driving electrode arranged in a fourth direction. The first sensing electrode is connected to the second sensing electrode; the first driving electrode is connected to the second driving electrode; the first sensing electrode and the first driving electrode are perpendicular to each other; and the second sensing electrode and the second driving electrode are parallel to each other and arranged alternately. Under the condition of a same pattern area, the coupling between the driving electrodes and the sensing electrodes is increased, thereby increasing the touch change amount and improving the floating performance.

Description

Touch sensor pattern, touch sensor, touch device and electronic terminal

Technical field

The embodiments of the present application relate to touch detection technology, and in particular, to a touch sensor pattern, a touch sensor, a touch device, and an electronic terminal.

Background technique

The touch sensor is a kind of external input device that is more and more widely used. Input can be realized by lightly touching the touch sensor with an electronic pen or touching the touch sensor with a finger, which makes human-computer interaction more direct and has the characteristics of simplicity, speed and humanity. With the development of smart phones, users are looking for larger touch screens and portable complete machines. To meet this demand, terminal manufacturers have successively launched concept phones with foldable screens. For a foldable screen, the cover needs to be made of foldable materials such as polyimide, and the thickness of the cover is required to be thinner than glass to facilitate bending. Similarly, touch detection sensors and displays also need to meet foldable requirements. Due to the thinning of the cover, the floating performance of the touch detection sensor will decrease. For example, if the mobile phone is placed on the desktop, the capacitance change caused by the touch will be attenuated, and the detected touch position will be inaccurate.

Summary of the invention

This application provides a touch sensor pattern, a touch sensor, a touch device, and an electronic terminal to solve the problems of thin folding screen cover, poor suspension performance, and inaccurate detection of touch positions in the prior art

The embodiment of the application provides a touch sensor pattern, which includes at least two sensing units, each of the two sensing units includes a first sensing electrode arranged in a first direction, a second sensing electrode arranged in a second direction, The first driving electrodes arranged in the third direction and the second driving electrodes arranged in the fourth direction; wherein the first sensing electrode is connected to the second sensing electrode, and the first driving electrode is connected to the second driving electrode; the first sensing electrode And the first driving electrode are perpendicular to each other; the second sensing electrode and the second driving electrode are parallel to each other and alternately arranged adjacent to each other.

An embodiment of the present application also provides a touch sensor, including the touch sensor pattern described above.

An embodiment of the present application also provides a touch device, including a touch chip and the touch sensor as described above, and the touch chip and the touch sensor are connected by wires.

The embodiment of the present application also provides an electronic terminal, including the touch device described above.

The embodiments of the present application now reduce the amount of capacitive coupling between the hand and the driving electrode and/or the sensing electrode as far as the prior art is concerned. Under the same pattern area of the touch sensor, the capacitive coupling between the driving electrode and the sensing electrode is increased to increase the capacitance change, thereby enhancing the levitation effect.

For example, each sensing unit further includes a floating block, the floating block is a conductive material for reducing the mutual capacitance value of the sensing electrode and the driving electrode. In this embodiment, the area of the sensing electrode and the driving electrode is increased by reducing the area of the floating block to increase the amount of capacitive coupling between the sensing electrode and the driving electrode. It can be determined whether to increase the sensing electrode and the driving electrode according to the needs of the actual product. The amount of capacitive coupling between.

For example, the floating blocks are respectively arranged at the upper left corner, the lower left corner, the upper right corner and the lower right corner of the sensing unit to avoid the sensing electrode connection of the sensing unit between different rows.

For example, the ratio of the area of the floating block to the sum of the area of the sensing electrode and the driving electrode is greater than 0.5 and less than 1.5.

For example, the angle formed by the first sensing electrode and the second sensing electrode is greater than 40 degrees and less than 50 degrees and/or the angle formed by the first driving electrode and the second driving electrode is greater than 40 degrees and the degree is less than 50 degrees.

For example, the angle formed by the first sensing electrode and the second sensing electrode is any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and/or the angle formed by the first driving electrode and the second driving electrode is Any of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees.

For example, the number of second driving electrodes is more than the number of second sensing electrodes, so as to reduce the influence of noise caused by the display.

For example, each sensing unit includes two first driving electrodes, the two first driving electrodes are connected by a bridge member, and the bridge member is a conductive material.

For example, the first direction is parallel to one side of the frame of the touch screen, and the third direction is parallel to the other side of the frame of the touch screen.

For example, each sensing unit further includes a third sensing electrode in a sixth direction, the first sensing electrode is connected to the third sensing electrode, and the angle formed by the first sensing electrode and the third sensing electrode is greater than 40 degrees and less than 50 degrees. degree.

For example, each sensing unit further includes third drive electrodes arranged in a fifth direction, the first drive electrode is connected to the third drive electrode, and the angle formed by the first drive electrode and the third drive electrode is greater than 40 degrees and less than 50 degrees.

For example, the angle formed by the second drive electrode and the third drive electrode is greater than 80 degrees and less than 100 degrees, or the angle formed by the second drive electrode and the third drive electrode is 80 degrees, 85 degrees, 90 degrees, 95 degrees, 100 degrees. Any kind of.

For example, the third sensing electrode and the third driving electrode are arranged in parallel and alternately adjacent to each other.

For example, each sensing unit further includes fourth driving electrodes arranged in a first direction, the enclosed area formed by the fourth driving electrode, the second driving electrode and the first driving electrode is provided with a floating block, and the fourth driving electrode, the third driving electrode The enclosed area formed by the electrode and the first driving electrode is provided with a floating block.

For example, the floating block has multiple small blocks to reduce the influence of the short circuit between the driving electrode or the sensing electrode and the floating block.

For example, it is formed under the cover plate of the folding screen. In this embodiment, the cover of the folding screen is thinner, the touch sensor pattern of the present application can improve the hovering performance, and the detected touch position is more accurate.

Description of the drawings

One or more embodiments are exemplified by the pictures in the corresponding drawings. These exemplified descriptions do not constitute a limitation on the embodiments. The elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the attached drawings do not constitute a scale limitation.

FIG. 1 is a schematic structural diagram of a folding screen according to an embodiment of the present application;

2A is a schematic diagram of a touch sensor pattern layer according to an embodiment of the present application;

FIG. 2B is an enlarged schematic diagram of the gridding of the touch sensor pattern in FIG. 2A;

FIG. 2C is an enlarged schematic diagram of a part of the gridding of the touch sensor pattern in FIG. 2B;

FIG. 3 is a schematic diagram of a grid structure of a touch sensor pattern according to an embodiment of the present application; FIG.

FIG. 4 is a schematic structural diagram of a touch sensor pattern according to an embodiment of the present application;

FIG. 5A is another schematic diagram of the structure of the touch sensor pattern gridding according to an embodiment of the present application; FIG.

5B is a schematic diagram of a touch sensor pattern layer formed by gridding the touch sensor pattern in FIG. 5A;

FIG. 6 is another schematic diagram of the structure of the touch sensor pattern of the embodiment of the present application;

FIG. 7 is another schematic diagram of the structure of the touch sensor pattern of the embodiment of the present application;

FIG. 8 is another schematic diagram of the structure of the touch sensor pattern of the embodiment of the present application;

FIG. 9 is another schematic diagram of the structure of the touch sensor pattern of the embodiment of the present application;

FIG. 10 is another schematic diagram of the structure of the touch sensor pattern of the embodiment of the present application;

FIG. 11 is another schematic diagram of the structure of the touch sensor pattern of the embodiment of the present application;

FIG. 12 is a schematic diagram of a structure of a touch screen according to an embodiment of the present application.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of this application.

The terms "first", "second", "third" and "fourth" (if any) in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and do not need to be used To describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in a sequence other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations of them are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those clearly listed. Those steps or units may include other steps or units that are not clearly listed or are inherent to these processes, methods, products, or equipment.

At present, the more commonly used touch sensors include resistive and capacitive. Among them, capacitive touch sensors have the advantages of high sensitivity, long life, and high light transmittance. The working principle is that at least one layer of transparent conductive material is provided on the surface of the substrate. A touch structure is formed. When a conductive object (such as a human finger) touches the surface of the capacitive touch sensor, the capacitance at the touch point changes, and the position of the touch point, that is, the coordinate value, can be calculated according to the change in capacitance.

The touch sensor pattern mentioned in the following embodiments of the present application may also be referred to as a touch sensor structure.

The touch sensor pattern provided in this application can be applied to a folding screen. FIG. 1 is a schematic structural diagram of a folding screen in an embodiment of this application; as shown in FIG. 1, the folding screen includes: a cover 101, a transparent optical glue 102, and a polarizer 103. The protective layer 104, a sensing unit, and an Organic Light-Emitting Diode (OLED) display unit. The sensing unit includes a bridging component layer 105, an insulating layer 106, and a touch sensor pattern layer 107. The touch sensor pattern is arranged on the touch sensor pattern layer 107, that is, under the cover 101. The OLED display unit includes a thin film packaging layer 108, an OLED cathode 109, a display pixel 110, a thin film transistor (TFT) driving circuit 111, and a substrate 112. The touch pattern layer 107 is used to achieve touch detection; the protective layer 104 is used to protect the sensing unit from scratches, oxidation, etc.; the thin film encapsulation layer 108 is used to prevent water vapor or oxygen from damaging the OLED material.

In order to realize touch detection, it is necessary to make the driving electrodes and the sensing electrodes on the touch sensor pattern layer 107 into a certain special pattern. 2A is a schematic diagram of a touch sensor pattern layer of an embodiment of the present application; FIG. 2B is an enlarged schematic diagram of the touch sensor pattern gridding in FIG. 2A; FIG. 2C is an enlarged schematic diagram of a part of the touch sensor pattern gridding in FIG. 2B; As shown in FIG. 2A, FIG. 2B, and FIG. 2C, the touch sensor pattern includes at least two sensing units 20. The sensing unit 20 includes a sensing electrode 201 and a driving electrode 202. The driving electrode 202 and the sensing electrode 201 are shaped like a rhombus, which is called It is a diamond pattern. There is a capacitive coupling between the driving electrode 202 and the sensing electrode 201 to form a mutual capacitance. The floating block 203 can adjust the distance between the driving electrode 202 and the sensing electrode 201 to adjust the mutual capacitance. The suspension block 203 may be a metal material. As shown in FIG. 2C, the part 204 of the touch sensor pattern grid includes a bridging component 205 and an insulating layer 206. Since the driving electrode 202 and the sensing electrode 201 are made on the same plane, and the two need to cross perpendicularly, they can pass through the bridging The component 205 is connected to the driving electrode 202, and the insulating layer 206 can be used to isolate the bridging component 205 and the sensing electrode 201 to prevent the two from short-circuiting. The bridging member 205 may be a metal material. The suspension block 203 is a conductive material.

Please refer to FIG. 3, which is a schematic diagram of the grid structure of the touch sensor pattern according to an embodiment of the present application; since the touch sensor pattern is generally a metal material, the light transmission performance of the metal material is poor, and the driving electrode 302, the sensing electrode 301, Both the floating block 303 and the bridging part 305 are filled with grids. Generally, this type of touch sensor pattern gridding is called Metal Mesh. However, the capacitive coupling of the touch sensor pattern is small, and the levitation performance is still poor. This application provides another embodiment to better solve the levitation performance.

The touch sensor patterns provided in the embodiments of the present application will be described in combination with multiple embodiments as follows. It should be noted that, for convenience of description, the sizes of different structures in the touch sensor pattern structure are enlarged or reduced, so the sizes and ratios shown in the drawings in this application do not necessarily represent actual sizes, nor do they reflect the proportional relationship of sizes.

The touch sensor pattern includes at least two sensing units. The sensing units include sensing electrodes and driving electrodes. The sensing electrodes include first sensing electrodes arranged in a first direction and second sensing electrodes arranged in a second direction. The sensing electrode is connected; the driving electrode includes the first driving electrode arranged in the third direction and the second driving electrode arranged in the fourth direction, the first driving electrode and the second driving electrode are connected; the first sensing electrode and the third driving electrode arranged in the first direction The first driving electrodes arranged in the direction are perpendicular to each other; the second sensing electrodes arranged in the second direction and the second driving electrodes arranged in the fourth direction are parallel to each other and alternately arranged adjacent to each other.

Under the condition of the same pattern area, the touch sensor pattern provided by the present application can increase the coupling between the driving electrode and the sensing electrode, thereby increasing the amount of touch change and improving the floating performance.

Please refer to FIG. 4, which is a schematic structural diagram of a touch sensor pattern according to an embodiment of the present application. The sensing unit 40 includes a sensing electrode 401 and a driving electrode 402. The sensing electrode 401 includes a first sensing electrode 4011 arranged in a first direction, a second sensing electrode 4012 arranged in a second direction, and a third sensing electrode 4013 arranged in a sixth direction. A sensing electrode 4011 is connected to the second sensing electrode 4012, and the first sensing electrode 4011 is connected to the third sensing electrode 4013. In other words, in the left area of the sensing unit 40, the first sensing electrodes 4011 arranged in the first direction and In the downward direction, H second sensing electrodes 4012 and R third sensing electrodes 4013 respectively extend, and in the right area of the sensing unit 40, the first sensing electrodes 4011 arranged in the first direction extend downward and upward respectively H second sensing electrodes 4012 and R third sensing electrodes 4013, preferably, in this embodiment, H=R=5. Wherein, the first direction may be one side parallel to the frame of the touch screen, and one side of the frame of the touch screen is the X-axis direction. The driving electrodes 402 include first driving electrodes 4021 arranged in the third direction, second driving electrodes 4022 arranged in the fourth direction, and third driving electrodes 4023 arranged in the fifth direction, or in the upper region of the sensing unit 40, The first drive electrodes 4021 arranged in the third direction extend G second drive electrodes 4022 and J third drive electrodes 4023 to the left and right respectively, and are arranged in the third direction in the lower part of the sensing unit 40 G second driving electrodes 4022 and J third driving electrodes 4023 extend from the first driving electrodes 4021 in the right and left directions, respectively. Preferably, in this embodiment, G=J=6. The number 4022 of the second driving electrodes is more than the number of the second sensing electrodes 4012, that is, the area of the sensing electrodes is smaller than the area of the driving electrodes. While satisfying the capacitance coupling, the received display noise will be smaller. Wherein, the third direction may be the other side parallel to the frame of the touch screen, and the other side of the frame of the touch screen is the Y-axis direction. The first sensing electrode 4011 and the first driving electrode 4021 are perpendicular to each other; the second sensing electrode 4012 and the second driving electrode 4022 are parallel to each other and alternately arranged adjacent to each other; the third sensing electrode 4013 and the third driving electrode 4023 are parallel to each other and alternately adjacent to each other arrangement. The angle formed by the second drive electrode 4022 and the third drive electrode 4023 is greater than 80 degrees and less than 100 degrees, or the angle formed by the second drive electrode 4022 and the third drive electrode 4023 is 80 degrees, 85 degrees, 90 degrees, 95 degrees. Any of degrees, 100 degrees.

The second sensing electrode 4012 and the second driving electrode 4022 are parallel to each other and alternately arranged adjacent to each other. Specifically, on the left side of the second sensing electrode 4012, a second driving electrode 4022 arranged in parallel with the second sensing electrode 4012 is included. The left side of the driving electrode 4022 includes a second sensing electrode 4012 arranged in parallel with the second driving electrode 4022, and so on, a plurality of second driving electrodes 4022 and a plurality of second sensing electrodes 4012 are parallel to each other and alternately arranged adjacent to each other.

In the left area of the sensing unit 40, the second sensing electrode 4012 connected to the first sensing electrode 4011 in the upward direction is at a certain angle with the first sensing electrode 4011. The angle can be greater than 40 degrees and less than 50 degrees, preferably, the angle is 45. degree. The third sensing electrode 4013 connected in the downward direction of the first sensing electrode 4011 forms a certain angle with the first sensing electrode 4011. The angle may be greater than 40 degrees and less than 50 degrees, or the angle may be 40 degrees, 42 degrees, 45 degrees, Any one of 48 degrees and 50 degrees, preferably, the angle is 45 degrees.

In the right area of the sensing unit 40, the third sensing electrode 4013 connected to the first sensing electrode 4011 in the upward direction is at a certain angle with the first sensing electrode 4011. The angle can be greater than 40 degrees and less than 50 degrees, preferably, the angle is 45. degree. The second sensing electrode 4012 connected to the first sensing electrode 4011 in the downward direction is at a certain angle with the first sensing electrode 4011. The angle may be greater than 40 degrees and less than 50 degrees, or the angle may be 40 degrees, 42 degrees, 45 degrees, Any one of 48 degrees and 50 degrees, preferably, the angle is 45 degrees.

In the upper area of the sensing unit 40, the second drive electrode 4022 connected to the first drive electrode 4021 in the left direction forms a certain angle with the first drive electrode 4021, and the angle can be greater than 40 degrees and less than 50 degrees. Preferably, the angle is 45 degree. The third drive electrode 4023 connected to the right direction of the first drive electrode 4021 forms a certain angle with the first drive electrode 4021, and the angle can be greater than 40 degrees and less than 50 degrees, or the angle can be 40 degrees, 42 degrees, 45 degrees, Any one of 48 degrees and 50 degrees, preferably, the angle is 45 degrees.

In the lower part of the sensing unit 40, the second drive electrode 4022 connected to the first drive electrode 4021 in the right direction is at a certain angle with the first drive electrode 4021. The angle can be greater than 40 degrees and less than 50 degrees. Preferably, the angle is 45 degree. The third drive electrode 4023 connected to the first drive electrode 4021 in the left direction forms a certain angle with the first drive electrode 4021, the angle may be greater than 40 degrees and less than 50 degrees, or the angle may be 40 degrees, 42 degrees, 45 degrees, Any one of 48 degrees and 50 degrees, preferably, the angle is 45 degrees. The second driving electrode 4022 and the third driving electrode 4023 are at a certain angle. The angle can be greater than 80 degrees and less than 100 degrees, or the angle can be any of 80 degrees, 85 degrees, 90 degrees, 95 degrees, and 100 degrees. , Preferably, the angle is 90 degrees.

The driving electrode 402 also includes fourth driving electrodes 4024 arranged in a first direction. The adjacent upper and lower sides of the first sensing electrodes 4011 arranged in the first direction are fourth driving electrodes 4024. The fourth driving electrodes 4024 are parallel to the first sensing electrodes. Electrode 4011; the triangular area formed by the second drive electrode 4022, the first drive electrode 4021, and the fourth drive electrode 4024 is provided with a suspension block 4031 and the triangular area formed by the third drive electrode 4023, the first drive electrode 4021 and the fourth drive electrode 4024 With the suspension block 4032 provided, the enclosed area formed between the driving electrodes 402 may be triangular or other shapes. In each sensing unit 40, the second driving electrode 4022, the first driving electrode 4021, and the fourth driving electrode 4024 form a total of 4 triangular regions, and each triangular region is provided with a floating block 403. The upper left corner, the upper right corner, the lower left corner, and the lower right corner of the sensing unit 40 are distributed on the floating block 403 to avoid connection of sensing electrodes of the sensing unit 40 between different rows. The sensing unit 40 includes eight floating blocks 403, and the ratio of the total area of the eight floating blocks 403 to the sum of the areas of the sensing electrode 401 and the driving electrode 402 is less than one. Preferably, the ratio of the area of the floating block 403 to the sum of the area of the sensing electrode 401 and the driving electrode 402 is greater than 0.5 and less than 1.5. The ratio of the area of the floating block 403 to the sum of the areas of the sensing electrode 401 and the driving electrode 402 can be any one of 0.5, 0.8, 1, 1.2, and 1.5. Preferably, the ratio of the area is 1.

The shape and number of the floating block 403 can be arbitrary. The floating block 403 is made of conductive material, such as metal or alloy, and is generally in a free state. The floating block 403 reduces the electrode area by occupying the area of the sensing electrode 401 and the driving electrode 402. In this way, the amount of capacitive coupling between the sensing electrode 401 and the driving electrode 402 is reduced. Similarly, the area of the sensing electrode 401 and the driving electrode 402 occupied by the floating block 403 can be reduced to increase the electrode area, thereby increasing the amount of capacitive coupling between the sensing electrode 401 and the driving electrode 402. The amount of capacitive coupling can be determined according to the needs of the actual product.

The sensing unit 40 includes two first driving electrodes 4021 arranged in the same direction, and the two driving electrodes 402 are connected by a bridging component 405. Any two adjacent sensing units 40 in the X-axis direction are connected to each other through the first sensing electrode 4011, and any two adjacent sensing units 40 in the Y-axis direction are connected to each other through the first driving electrode 4021.

Further, the floating block 403 can also be divided into small blocks. For example, the floating block 403 distributed in the upper left corner, upper right corner, lower left corner, and lower right corner of the sensing unit 40 is divided into 3 small blocks, and the floating block 403 at the angle gap between the first driving electrode 4021 and the second driving electrode 4022 Divide into 2 small pieces. The floating block 403 is divided into small blocks to reduce the influence of the short circuit between the driving electrode 401 or the sensing electrode 402 and the floating block 403.

Compared with existing patterns, the touch sensor pattern provided in the present application increases the amount of capacitance change, and reduces the amount of capacitive coupling between the hand and the driving electrode 401 and/or the sensing electrode 402. With the same pattern area of the touch sensor, the capacitive coupling between the driving electrode 401 and the sensing electrode 402 can be increased to increase the amount of capacitance change, thereby enhancing the levitation effect. The advantage of the low resistance of the metal material constituting the touch pattern is fully utilized, and the coupling capacitance is increased while taking into account the resistance-capacitance attenuation of the entire channel.

The touch sensor pattern of this application can be applied to products such as smart phones, tablets, bracelets, and electronic newspapers. Under the premise of satisfying the process capability, the driving electrode 401 and the sensing electrode 402 can be coupled as much as possible to increase the touch change and reduce the area of the driving electrode 401 and the sensing electrode 402 that are ineffective in increasing the capacitance change.

Please refer to FIG. 5, FIG. 5A is another structural schematic diagram of the touch sensor pattern gridding according to an embodiment of the present application; FIG. 5B is a schematic diagram of the touch sensor pattern layer formed by the touch sensor pattern gridding in FIG. 5A; The sensor pattern is made of metal, and metal generally has poor light transmittance. In order to ensure that the display effect of the OLED pixel 506 is not affected, the pattern can be filled with a grid. This touch sensor pattern is gridded The form is called Metal Mesh. The touch sensor pattern of this application is filled with a metal grid. As shown in FIG. 5A and FIG. 5B, the gridded touch sensor pattern constitutes the sensing electrode 501 and the driving electrode 502, wherein the hollow part is used to transmit light for the OLED pixel 506, and will not affect the display of the OLED pixel 506. Since the grid surrounds the OLED pixel 506, the size and shape of the grid depends on the size and shape of the OLED pixel 506. The line width of the grid is generally 1~5um. If the line needs to be broken, the distance between the lines Generally, it is 3～7um, and the specific parameters are subject to process capability. In order to further strengthen the coupling capacitance between the driving electrode 501 and the sensing electrode 502, according to the process capability, two metal wires generally form a driving electrode 501 or a sensing electrode 502.

Please refer to FIG. 6, which is another structural schematic diagram of the touch sensor pattern according to the embodiment of the present application. The difference between FIG. 6 and FIG. 4 is that the second driving electrode 4022, the first driving electrode 4021, and the fourth driving electrode 4024 in FIG. 4 form a triangular area provided with floating blocks, which is filled with the second driving electrode 6022 in FIG. And the second sensing electrode 6012; in Figure 4 the third drive electrode 4023, the first drive electrode 4021 and the fourth drive electrode 4024 formed a triangular area provided with floating blocks, filled with the third drive electrode 6023 and the third drive electrode in Figure 6 The sensing electrode 6013, and the upper left corner, upper right corner, lower left corner, and lower right corner of the sensing unit 60 in FIG. 6 are distributed in the floating block area smaller than that in FIG. 4.

Specifically, the sensing unit 60 includes a sensing electrode 601 and a driving electrode 602. The sensing electrode 601 includes a first sensing electrode 6011 arranged in a first direction, a second sensing electrode 6012 arranged in a second direction, and a third sensing electrode arranged in a sixth direction. The electrode 6013, the first sensing electrode 6011 and the second sensing electrode 6012 are connected, and the first sensing electrode 6011 and the third sensing electrode 6013 are connected, or in the left area of the sensing unit 60, the first sensing electrodes 6011 arranged in the first direction The second sensing electrode 6012 and the third sensing electrode 6013 extend upward and downward, and in the right area of the sensing unit 60, the first sensing electrodes 6011 arranged in the first direction extend downward and upward. Two sensing electrodes 6012 and a third sensing electrode 6013. The driving electrodes 602 include first driving electrodes 6021 arranged in the third direction and second driving electrodes 6022 arranged in the fourth direction. In other words, in the upper area of the sensing unit 60, the first driving electrodes 6021 arranged in the third direction are directed to the left. The second drive electrode 6022 and the third drive electrode 6023 extend in the direction and the right direction respectively, and in the lower part of the sensing unit 60, the first drive electrodes 6021 arranged in the third direction extend to the right and left respectively The second driving electrode 6022 and the third driving electrode 6023. The first sensing electrode 6011 and the first driving electrode 6021 are perpendicular to each other; the second sensing electrode 6012 and the second driving electrode 6022 are parallel to each other and alternately arranged adjacent to each other. In order to increase the amount of capacitive coupling between the sensing electrode and the driving electrode, the alternate arrangement of the sensing electrode and the driving electrode in the present application may mean that there is no floating block between the sensing electrode and the driving electrode.

In the area on the left side of the sensing unit 60, the second sensing electrode 6012 connected to the first sensing electrode 6011 in the upward direction is at a certain angle with the first sensing electrode 6011, the angle may be greater than 40 degrees and less than 50 degrees, or the angle may be 40 degrees , 42 degrees, 45 degrees, 48 degrees, and 50 degrees. Preferably, the angle is 45 degrees. The third sensing electrode 6013 connected in the downward direction of the first sensing electrode 6011 forms a certain angle with the first sensing electrode 6011. The angle may be greater than 40 degrees and less than 50 degrees, or the angle may be 40 degrees, 42 degrees, 45 degrees, Any one of 48 degrees and 50 degrees, preferably, the angle is 45 degrees.

In the right area of the sensing unit 60, in the right area of the sensing unit 60, the second sensing electrode 6012 connected to the first sensing electrode 6011 in the downward direction is at a certain angle with the first sensing electrode 6011, and the angle can be greater than 40 degrees and less than 50 degrees, or the angle may be any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees. Preferably, the angle is 45 degrees. The third sensing electrode 6013 connected in the upward direction of the first sensing electrode 6011 is at a certain angle with the first sensing electrode 6011. The angle can be greater than 40 degrees and less than 50 degrees, or the angle can be 40 degrees, 42 degrees, 45 degrees, or 48 degrees. Any one of degrees and 50 degrees, preferably, the angle is 45 degrees.

In the upper area of the sensing unit 60, the second drive electrode 6022 connected to the first drive electrode 6021 in the left direction is at a certain angle with the first drive electrode 6021, and the angle can be greater than 40 degrees and less than 50 degrees, or the angle can be Any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, preferably, the angle is 45 degrees. The third drive electrode 6023 connected to the right direction of the first drive electrode 6021 forms a certain angle with the first drive electrode 6021, the angle may be greater than 40 degrees and less than 50 degrees, or the angle may be 40 degrees, 42 degrees, 45 degrees, Any one of 48 degrees and 50 degrees, preferably, the angle is 45 degrees.

In the lower part of the sensing unit 60, the second drive electrode 6022 connected to the first drive electrode 6021 in the right direction is at a certain angle with the first drive electrode 6021. The angle can be greater than 40 degrees and less than 50 degrees, or the angle can be Any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, preferably, the angle is 45 degrees. The third drive electrode 6023 connected to the first drive electrode 6021 in the left direction is at a certain angle with the first drive electrode 6021, and the angle can be greater than 40 degrees and less than 50 degrees, or the angle can be 40 degrees, 42 degrees, 45 degrees, Any one of 48 degrees and 50 degrees, preferably, the angle is 45 degrees.

The sensing unit 60 includes two first driving electrodes 6021 arranged in the same direction, and the two first driving electrodes 6021 are connected by a bridging member 605. The first driving electrode 6021 connected to the bridging member 605 has a larger area. The upper left corner, the upper right corner, the lower left corner, and the lower right corner of the sensing unit 60 are distributed on the floating block 603 to prevent the sensing electrodes 601 of the sensing unit 60 between different rows from being connected. The ratio of the area of the floating block 603 to the sum of the areas of the sensing electrode 601 and the driving electrode 602 is less than one. The driving electrodes 601 and the sensing electrodes 602 are alternately arranged adjacent to each other until the center area of the sensing unit 60 is covered.

The touch sensor pattern provided in the embodiment of the present application increases the amount of capacitance change, and reduces the amount of capacitive coupling between the hand and the driving electrode 601 and/or the sensing electrode 602. With the same pattern area of the touch sensor, the capacitive coupling between the driving electrode 601 and the sensing electrode 602 is greatly increased, and the amount of capacitance change is increased, thereby enhancing the levitation effect.

Please refer to FIG. 7, which is a schematic diagram of another structure of the touch sensor pattern according to an embodiment of the present application. Compared with FIG. 6, the floating blocks 703 arranged in the upper left corner, upper right corner, lower left corner, and lower right corner of the sensing unit 70 in FIG. 7 have larger areas to prevent the sensing electrodes 701 of the sensing units 70 between different rows from being connected. In the sensing unit 70, the ratio of the area of the floating block 703 to the sum of the areas of the sensing electrode 701 and the driving electrode 702 is close to 1 or equal to 1. Of course, the ratio of the area of the floating block 703 to the sum of the areas of the sensing electrode 701 and the driving electrode 702 can be any value, which is not limited in this application.

Specifically, the sensing unit 70 includes sensing electrodes 701 and driving electrodes 702. The sensing electrodes 701 include first sensing electrodes 7011 arranged in a first direction, second sensing electrodes 7012 arranged in a second direction, and third sensing electrodes arranged in a sixth direction. The electrode 7013, the first sensing electrode 7011 and the second sensing electrode 7012 are connected, the first sensing electrode 7011 and the third sensing electrode 7013 are connected, or in the left area of the sensing unit 70, the first sensing electrodes 7011 are arranged in the first direction The second sensing electrode 7012 and the third sensing electrode 7013 extend upward and downward, and in the right area of the sensing unit 70, the first sensing electrodes 7011 arranged in the first direction extend downward and upward respectively. Two sensing electrodes 7012 and a third sensing electrode 7013. The driving electrodes 702 include first driving electrodes 7021 arranged in the third direction and second driving electrodes 7022 arranged in the fourth direction. In other words, in the upper area of the sensing unit 70, the first driving electrodes 7021 arranged in the third direction are directed to the left. The second drive electrode 7022 and the third drive electrode 7023 extend in the direction and the right direction respectively. In the lower part of the sensing unit 70, the first drive electrodes 7021 arranged in the third direction extend to the right and left respectively. The second drive electrode 7022 and the third drive electrode 7023. The first sensing electrode 7011 and the first driving electrode 7021 are perpendicular to each other; the second sensing electrode 7012 and the second driving electrode 7022 are parallel to each other and alternately arranged adjacent to each other.

Please refer to FIG. 8, which is another schematic diagram of the structure of the touch sensor pattern according to the embodiment of the present application. The sensing unit 80 includes a sensing electrode 801, a driving electrode 802 and a floating block 803. The sensing electrode 801 includes a first sensing electrode 8011 arranged in a first direction, a third sensing electrode 8013 arranged in a sixth direction, and a fourth sensing electrode arranged in a third direction. The electrode 8014 and the second sensing unit 8012 are arranged in the second direction. The driving electrode 802 includes a first driving electrode 8021 arranged in a third direction, a third driving electrode 8023 arranged in a fifth direction, a fourth driving electrode 8024 arranged in a first direction, and The second driving electrodes 8022 are arranged in the fourth direction. The first driving electrodes 8021 and the fourth sensing electrodes 8014 are parallel and alternately arranged adjacently, and the first sensing electrodes 8011 and the fourth driving electrodes 8024 are parallel and alternately arranged adjacently.

In the left area of the sensing unit 80, the second sensing electrode 8012 connected to the first sensing electrode 8011 in the upward direction is at a certain angle with the first sensing electrode 8011. The angle can be greater than 40 degrees and less than 50 degrees, or the angle can be 40 degrees. Any one of degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, preferably, the angle is 45 degrees. The third sensing electrode 8013 connected in the downward direction of the first sensing electrode 8011 is at a certain angle with the first sensing unit 8011. The angle may be greater than 40 degrees and less than 50 degrees, or the angle may be 40 degrees, 42 degrees, 45 degrees, Any one of 48 degrees and 50 degrees, preferably, the angle is 45 degrees.

In the right area of the sensing unit 80, the second sensing electrode 8012 connected to the first sensing electrode 8011 in the downward direction is at a certain angle with the first sensing electrode 8011. The angle may be greater than 40 degrees and less than 50 degrees, or the angle may be Any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, preferably, the angle is 45 degrees. The third sensing electrode 8013 connected in the upward direction of the first sensing electrode 8011 is at a certain angle with the first sensing unit 8011. The angle can be greater than 40 degrees and less than 50 degrees, or the angle can be 40 degrees, 42 degrees, 45 degrees, or 48 degrees. Any one of degrees and 50 degrees, preferably, the angle is 45 degrees.

In the upper area of the sensing unit 80, the second drive electrode 8022 connected to the first drive electrode 8021 in the left direction is at a certain angle with the first drive electrode 8021. The angle can be greater than 40 degrees and less than 50 degrees, or the angle can be Any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, preferably, the angle is 45 degrees. The third drive electrode 8023 connected to the right direction of the first drive electrode 8021 forms a certain angle with the first drive electrode 8021, and the angle can be greater than 40 degrees and less than 50 degrees, or the angle can be 40 degrees, 42 degrees, 45 degrees, Any one of 48 degrees and 50 degrees, preferably, the angle is 45 degrees.

In the lower part of the sensing unit 80, the second driving electrode 8022 connected to the first driving electrode 8021 in the right direction is at a certain angle with the first driving electrode 8021. The angle can be greater than 40 degrees and less than 50 degrees, or the angle can be Any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, preferably, the angle is 45 degrees. The third drive electrode 8023 connected to the left direction of the first drive electrode 8021 forms a certain angle with the first drive electrode 8021. The angle can be greater than 40 degrees and less than 50 degrees, or the angle can be 40 degrees, 42 degrees, 45 degrees, Any one of 48 degrees and 50 degrees, preferably, the angle is 45 degrees.

The first direction is parallel to one side of the touch screen, one side of the touch screen is the X axis direction, the second direction is parallel to the other side of the touch screen, and the other side of the touch screen is the Y axis direction. The first sensing electrodes 8011 arranged in the X-axis direction and the fourth driving electrodes 8024 arranged in the X-axis direction are parallel to each other and alternately arranged adjacent to each other. The fourth sensing electrodes 8014 arranged in the Y-axis direction and the first driving electrodes 8021 arranged in the Y-axis direction are parallel to each other and alternately arranged adjacent to each other. The second sensing unit 8012 arranged in the second direction and the second driving unit 8022 arranged in the second direction are parallel to each other and alternately arranged adjacent to each other. The sensing unit 80 includes two first driving electrodes 8021 arranged in the same direction, and the two first driving electrodes 8021 are connected by a bridging component 805. The upper left corner, the upper right corner, the lower left corner, and the lower right corner of the sensing unit 80 are distributed on the second floating block 8032 to prevent the sensing electrodes 801 of the sensing unit 80 between different rows from being connected. The enclosed area formed by the sensing electrodes 801 or driving electrodes 802 arranged in the X-axis direction, the sensing electrodes 801 or driving electrodes 802 arranged in the Y-axis direction, and the second driving electrode 8022 or the third driving electrode 8023 is provided with a first suspension block 8031, and sensing A total of 8 such enclosed areas are provided in the unit 80, and each enclosed area is provided with a first floating block 8031. In each sensing unit 80, the total area of the floating block 803 is the same as the area of the sensing electrode 801 and the driving electrode 802. The ratio of the sum is close to 1. The first sensing electrodes 8011 arranged in the X-axis direction, the fourth sensing electrodes 8014 arranged in the Y-axis direction, the first driving electrodes 8021 arranged in the Y-axis direction, and the fourth driving electrodes 8024 arranged in the X-axis direction are wavy. The second sensing unit 8012, the third sensing electrode 8013, the second driving electrode 8022, and the third driving electrode 8023 are in a strip shape. Of course, the sensing electrode 801 and the driving electrode 802 can also be arranged in other shapes, and the shape of the electrode is not limited in the present application.

The touch sensor pattern provided in the embodiment of the present application increases the amount of capacitance change, and reduces the amount of capacitive coupling between the hand and the driving electrode 801 and/or the sensing electrode 802. Under the same pattern area of the touch sensor, the capacitive coupling between the driving electrode 801 and the sensing electrode 802 is greatly increased, and the amount of capacitance change is increased, thereby improving the levitation effect.

Please refer to FIG. 9, which is another structural diagram of the touch sensor pattern according to the embodiment of the present application; as shown in FIG. 9, the sensing unit 90 includes a sensing electrode 901, a driving electrode 902, and a floating block 903, and the sensing electrode 901 includes a first The first sensing electrodes 9011 arranged in the direction, the fourth sensing electrodes 9014 arranged in the third direction, or the first sensing electrodes 9011 respectively extend the fourth sensing electrodes 9014 in the upward and downward directions. The driving electrodes 902 include first driving electrodes 9021 arranged in the third direction. Wherein, the first sensing electrode 9011 and the fourth sensing electrode 9014 form a certain angle, and the angle can be greater than 80 degrees and less than 100 degrees, preferably, the angle is 90 degrees. The first direction is the X-axis direction, and the third direction is the Y-axis direction. The fourth sensing electrodes 9014 arranged in the Y-axis direction and the first driving electrodes 9021 arranged in the Y-axis direction are parallel to each other and alternately arranged adjacent to each other. In other words, the second direction and the fourth direction in FIG. 4 may be the third direction in FIG. 9. There are floating blocks 903 arranged on the left and right edges of the sensing unit 90. The first driving electrode 9021, the fourth sensing electrode 9014, and the floating block 903 are arranged in a wave shape, of course, it can also be arranged in a strip shape. The shape of the driving electrode 902 and the sensing electrode 901 is not limited in the present application.

The first sensing electrodes 9011 of any two adjacent sensing units 90 in the X-axis direction are connected to each other, and the first driving electrodes 9021 of any two adjacent sensing units 90 in the Y-axis direction are connected to each other. Two first driving electrodes 9021 arranged in the same direction of a sensing unit 90 are connected by a bridging member 905. The bridging member 905 is a conductive material.

Please refer to FIG. 10, which is another schematic diagram of the structure of the touch sensor pattern according to the embodiment of the present application; the difference between FIG. 10 and FIG. 9 is that the area of the floating block 1003 provided in the left and right areas of the sensing unit 100 is increased , Reducing the capacitance between the sensing electrode and the driving electrode. In order to avoid exceeding the processing range of the capacitive coupling tolerated by the touch chip.

The sensing unit 100 includes a sensing electrode, a driving electrode and a floating block 1003. The sensing electrode includes a first sensing electrode 1011 arranged in a first direction, a fourth sensing electrode 1014 arranged in a third direction, or the first sensing electrode 1011 in an upward direction and The fourth sensing electrode 1014 extends downward. The driving electrodes include first driving electrodes 1021 arranged in the third direction. Wherein, the first sensing electrode 1011 and the fourth sensing electrode 1014 form a certain angle, and the angle can be greater than 80 degrees and less than 100 degrees, preferably, the angle is 90 degrees. The first direction is the X-axis direction, and the third direction is the Y-axis direction. The fourth sensing electrodes 1014 arranged in the Y-axis direction and the first driving electrodes 1021 arranged in the Y-axis direction are parallel to each other and alternately arranged adjacent to each other. Suspended blocks 1003 are arranged on the left and right edges of the sensing unit 100. The first driving electrode 1021, the fourth sensing electrode 1014, and the floating block 1003 are arranged in a wave shape, but of course they can also be arranged in a strip shape. The shape of the driving electrode and the sensing electrode is not limited in this application.

Please refer to FIG. 11, which is another structural diagram of the touch sensor pattern according to the embodiment of the present application; the difference between FIG. 11 and FIG. 10 is that the left and right regions of the first driving electrode 1121 are respectively provided with floating blocks 1103 On the basis of Fig. 10, the mutual capacitance induction between the sensing electrode and the driving electrode is further reduced.

The sensing unit 110 includes a sensing electrode, a driving electrode, and a floating block 1103. The sensing electrode includes a first sensing electrode 1111 arranged in a first direction, a fourth sensing electrode 1114 arranged in a third direction, or the first sensing electrode 1111 in an upward direction and The fourth sensing electrode 1114 extends downward. The driving electrodes include first driving electrodes 1121 arranged in the third direction. Wherein, the first sensing electrode 1111 and the fourth sensing electrode 1114 form a certain angle, and the angle can be greater than 80 degrees and less than 100 degrees, preferably, the angle is 90 degrees. The first direction is the X-axis direction, and the third direction is the Y-axis direction. The fourth sensing electrodes 1114 arranged in the Y-axis direction and the first driving electrodes 1121 arranged in the Y-axis direction are parallel to each other and alternately arranged adjacent to each other. Suspended blocks 1103 are arranged on the left and right edges of the sensing unit 110. The first driving electrode 1021, the fourth sensing electrode 1114, and the floating block 1103 are arranged in a wave shape, of course, it can also be arranged in a strip shape. The shape of the driving electrode and the sensing electrode is not limited in this application.

The position and number of the floating block 1103 can be set arbitrarily. The position of the floating block 1103 can be set on both sides of the first driving electrode 1121, on the left and right edges of the sensing unit 110, or on the sensing unit 110. In any position of, the number of floating fast 1103 can be set to 4 or other numbers, which is not limited in this application.

According to the embodiment of the present application, a floating block 1103 of any size can be arranged according to needs. By increasing the area of the floating block 1103, the mutual capacitance induction between the sensing electrode and the driving electrode can be reduced; by reducing the area of the floating block 1103, Increase the mutual capacitance between the sensing electrode and the driving electrode.

The capacitive touch sensor includes the touch sensor pattern of any one of the embodiments described above.

The touch device includes a touch chip and the touch sensor pattern of any one of the embodiments described above.

Please refer to FIG. 12, which is a schematic structural diagram of a touch screen according to an embodiment of the present application. As shown in FIG. 12, the touch screen 1201 includes a capacitive touch sensor, and the capacitive touch sensor includes a plurality of sensing electrodes and a plurality of driving electrodes. The sensing electrodes along the first direction and each driving electrode extending along the third direction are connected to corresponding traces. These traces are connected to the flexible printed circuit board 1202 and the touch chip 1203, so that the touch chip 1203 can be The touch signal transmitted by the wiring identifies the position information where the touch screen 1201 is touched, and reports the position information to the host 1204. The first direction is parallel to one side of the frame of the touch screen, and the third direction is parallel to the other side of the frame of the touch screen.

It should be noted that the touch chip and other surrounding circuits in the touch device are not limited in this embodiment.

Optionally, the touch screen in the touch device in the embodiment of the present application may adopt, for example, a double glass (glass and glass; GG) structure, glass and film (glass and film; GF), and a color filter in which the touch screen is embedded in the touch screen. The structure between the substrate and the polarizer or the structure of one glass sensor (OGS), etc., where the cover plate in the GF structure is glass, and the conductive layer is a thin film. For the specific structure of the touch screen in the touch device, The embodiments of the application are not limited here.

On the basis of the foregoing embodiments, an embodiment of the present application further provides an electronic terminal, wherein the electronic terminal includes the touch device provided in any of the foregoing embodiments.

Among them, the electronic terminal can be a liquid crystal panel, electronic paper, organic light-emitting diode (Organic Light-Emitting Diode, OLED) panel, mobile phone, tablet computer, TV, monitor, notebook computer, digital photo frame, navigator, wearable device or Any product or component with display function such as home appliances.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the application, not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or equivalently replace some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present application. range.

Claims

A touch sensor pattern includes at least two sensing units, wherein each sensing unit of the two sensing units includes a first sensing electrode arranged in a first direction, a second sensing electrode arranged in a second direction, The first driving electrodes arranged in the third direction and the second driving electrodes arranged in the fourth direction; wherein, the first sensing electrode and the second sensing electrode are connected, and the first driving electrode and the second driving electrode are connected connection;

The first sensing electrode and the first driving electrode are perpendicular to each other;

The second sensing electrodes and the second driving electrodes are parallel to each other and alternately arranged adjacent to each other;

The first sensing electrode, the second sensing electrode, the first driving electrode and the second driving electrode are all in the shape of a metal mesh.
The touch sensor pattern according to claim 1, wherein each sensing unit further comprises a floating block, and the floating block is made of a conductive material.
3. The touch sensor pattern according to claim 2, wherein the floating blocks are respectively arranged at the upper left corner, the lower left corner, the upper right corner and the lower right corner of the sensing unit.
The touch sensor pattern according to claim 2 or 3, wherein the ratio of the area of the floating block to the sum of the area of the sensing electrode and the driving electrode is greater than 0.5 and less than 1.5.
The touch sensor pattern of claim 1, wherein the angle formed by the first sensing electrode and the second sensing electrode is greater than 40 degrees and less than 50 degrees and/or the first driving electrode and the The angle formed by the second driving electrode is greater than 40 degrees and less than 50 degrees.
The touch sensor pattern of claim 1, wherein the angle formed by the first sensing electrode and the second sensing electrode is any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees. And/or the angle formed by the first drive electrode and the second drive electrode is any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees.
The touch sensor pattern of claim 1, wherein the number of the second driving electrodes is more than the number of the second sensing electrodes.
The touch sensor pattern of claim 1, wherein each sensing unit includes two of the first driving electrodes, and the two first driving electrodes are connected by a bridging member, and the bridging member It is a conductive material.
The touch sensor pattern of claim 1, wherein the first direction is parallel to one side of the frame of the touch screen, and the third direction is parallel to the other side of the frame of the touch screen.
The touch sensor pattern according to claim 1, wherein each sensing unit further comprises a third sensing electrode arranged in a sixth direction, the first sensing electrode is connected to the third sensing electrode, and the The angle formed by the first sensing electrode and the third sensing electrode is greater than 40 degrees and less than 50 degrees.
11. The touch sensor pattern of claim 10, wherein each sensing unit further comprises a third drive electrode arranged in a fifth direction, the first drive electrode is connected to the third drive electrode, and the The angle formed by the first driving electrode and the third driving electrode is greater than 40 degrees and less than 50 degrees.
The touch sensor pattern of claim 11, wherein the angle formed by the second drive electrode and the third drive electrode is greater than 80 degrees and less than 100 degrees, or the second drive electrode and the third drive electrode form an angle greater than 80 degrees and less than 100 degrees. The angle formed by the driving electrodes is any one of 80 degrees, 85 degrees, 90 degrees, 95 degrees, and 100 degrees.
11. The touch sensor pattern of claim 11, wherein the third sensing electrode and the third driving electrode are arranged in parallel and alternately adjacent to each other.
The touch sensor pattern according to claim 13, wherein each sensing unit further comprises fourth driving electrodes arranged in a first direction, and the fourth driving electrodes, the second driving electrodes and the first driving electrodes are arranged in a first direction. The enclosed area formed by a driving electrode is provided with the suspension block, and the enclosed area formed by the fourth driving electrode, the third driving electrode and the first driving electrode is provided with the suspension block.
15. The touch sensor pattern of claim 14, wherein the floating block has a plurality of small blocks to reduce the influence of the short circuit between the driving electrode or the sensing electrode and the floating block.
The touch sensor pattern according to any one of claims 1-15, wherein the touch sensor pattern is formed under the cover plate of the folding screen.
A touch sensor pattern includes at least two sensing units, wherein each sensing unit of the two sensing units includes a plurality of floating blocks, first sensing electrodes arranged in a first direction, and first sensing electrodes arranged in a third direction. The first driving electrode and the fourth sensing electrode arranged in the third direction; the first sensing electrode arranged in the first direction and the first driving electrode arranged in the third direction are perpendicular to each other; the fourth sensing electrode arranged in the third direction The sensing electrodes and the first driving electrodes arranged in the third direction are parallel to each other and alternately arranged adjacent to each other; a plurality of the suspension blocks are made of conductive material; the two sensing units arranged in the adjacent x direction pass the first induction Electrode connection, and the two adjacent sensing units arranged in the y direction are connected by the first driving electrode; the floating blocks are respectively arranged at the upper left corner, the lower left corner, the upper right corner and the lower right corner of the sensing unit; The first sensing electrode, the fourth sensing electrode and the first driving electrode are all in the shape of a metal mesh.
A touch sensor, characterized by comprising the touch sensor pattern according to any one of claims 1-17.
A touch device, characterized by comprising a touch chip and the touch sensor according to claim 18, and the touch chip and the touch sensor are connected by wires.
An electronic terminal, characterized by comprising the touch device according to claim 19.