CN111065994B - Touch sensor pattern, touch sensor, touch device, and electronic terminal - Google Patents
Touch sensor pattern, touch sensor, touch device, and electronic terminal Download PDFInfo
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- CN111065994B CN111065994B CN201980003985.4A CN201980003985A CN111065994B CN 111065994 B CN111065994 B CN 111065994B CN 201980003985 A CN201980003985 A CN 201980003985A CN 111065994 B CN111065994 B CN 111065994B
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
Abstract
A touch sensor pattern, a touch sensor, a touch device, and an electronic terminal. The touch sensor pattern includes: at least two sensing units, each of the two sensing units including 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; wherein the first induction electrode is connected with the second induction electrode; the first driving electrode is connected with the second driving electrode; the first induction 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. The touch sensor pattern provided by the application increases the coupling between the driving electrode and the sensing electrode under the condition of the same pattern area, thereby increasing the touch variation and improving the levitation performance.
Description
Technical Field
The embodiment of the application relates to a touch detection technology, in particular to a touch sensor pattern, a touch sensor, a touch device and an electronic terminal.
Background
The touch sensor is external input equipment with wider and wider application, and can realize input by touching the touch sensor with an electronic pen or a finger, so that man-machine interaction is more direct, and the touch sensor has the characteristics of simplicity, rapidness, humanization and the like. With the development of smart phones, users seek larger touch screens and portable complete machines, and in order to meet such demands, terminal manufacturers have introduced foldable screen concept phones on the market. For foldable screens, the cover plate needs to be made of foldable materials such as polyimide, and the thickness of the cover plate is required to be thinner than that of glass so as to realize bending. Likewise, the touch detection sensor and the display are required to meet the requirement of being foldable. The levitation performance of the touch detection sensor may be degraded due to the thinning of the cover plate. For example, if the mobile phone is placed on a desk, the capacitance change caused by touch may be attenuated, and the detected touch position is inaccurate.
Disclosure of Invention
The application provides a touch sensor pattern, a touch sensor, a touch device and an electronic terminal, which are used for solving the problems of thin folding screen cover plate, poor suspension performance and inaccurate touch position detection in the prior art
The embodiment of the application provides a touch sensor pattern, which comprises at least two sensing units, wherein each sensing unit in the two sensing units comprises 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 induction electrode is connected with the second induction electrode, and the first driving electrode is connected with the second driving electrode; the first induction electrode and the first driving electrode are mutually perpendicular; the second sensing electrodes and the second driving electrodes are parallel to each other and are adjacently and alternately arranged.
The embodiment of the application also provides a touch sensor, which comprises the touch sensor pattern.
The embodiment of the application also provides a touch device which comprises a touch chip and the touch sensor, wherein the touch chip and the touch sensor are connected through a wire.
The embodiment of the application also provides an electronic terminal comprising the touch device.
Embodiments of the present application now reduce the amount of capacitive coupling between the hand and the drive electrode and/or sense electrode over the prior art. Under the same pattern area of the touch sensor, the capacitive coupling of the driving electrode and the sensing electrode is increased, and the capacitance variation is increased, so that the suspension effect is improved.
For example, each sensing unit further comprises a suspension block, which is a conductive material for reducing the mutual capacitance of the sensing electrode and the driving electrode. In this embodiment, the area of the suspension block is reduced to increase the area of the sensing electrode and the driving electrode, so as to increase the capacitive coupling amount between the sensing electrode and the driving electrode, and whether to increase the capacitive coupling amount between the sensing electrode and the driving electrode can be determined according to the needs of the actual product.
For example, the levitation blocks are respectively disposed at the upper left corner, the lower left corner, the upper right corner and the lower right corner of the sensing unit to avoid sensing electrode connection of the sensing unit between different rows.
For example, the ratio of the area of the suspension block to the sum of the areas of the sensing electrode and the driving electrode is greater than 0.5 and less than 1.5.
For example, the first sensing electrode forms an angle with the second sensing electrode of greater than 40 degrees and less than 50 degrees and/or the first driving electrode forms an angle with the second driving electrode of greater than 40 degrees and less than 50 degrees.
For example, the first sensing electrode and the second sensing electrode may form an angle of any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and/or the first driving electrode and the second driving electrode may form an angle of any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees.
For example, the number of the second driving electrodes is greater than that of the second sensing electrodes, so as to reduce the noise influence of the display.
For example, each sensing unit includes two first driving electrodes, and the two first driving electrodes are connected by a bridging member, which is a conductive material.
For example, the first direction is parallel to one side of the bezel of the touch screen and the third direction is parallel to the other side of the bezel 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 an angle formed by the first sensing electrode and the third sensing electrode is greater than 40 degrees and less than 50 degrees.
For example, each sensing unit further includes a third driving electrode arranged in a fifth direction, the first driving electrode is connected to the third driving electrode, and an angle formed by the first driving electrode and the third driving electrode is greater than 40 degrees and less than 50 degrees.
For example, the second driving electrode and the third driving electrode form an angle of more than 80 degrees and less than 100 degrees or the second driving electrode and the third driving electrode form an angle of any one of 80 degrees, 85 degrees, 90 degrees, 95 degrees, 100 degrees.
For example, the third sensing electrodes and the third driving electrodes are alternately arranged in parallel and adjacent.
For example, each sensing unit further comprises a fourth driving electrode arranged in the first direction, a closed area formed by the fourth driving electrode, the second driving electrode and the first driving electrode is provided with a suspension block, and a closed area formed by the fourth driving electrode, the third driving electrode and the first driving electrode is provided with a suspension block.
For example, the levitation block may have a plurality of small blocks to reduce the effect of shorting the drive or sense electrodes to the levitation block.
For example, formed under the cover plate of the folding screen. In the embodiment, the cover plate of the folding screen is thinner, and the touch sensor pattern can improve the suspension performance and the detected touch position is more accurate.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
FIG. 1 is a schematic view of a folding screen according to an embodiment of the present application;
FIG. 2A is a schematic diagram of a touch sensor pattern layer according to an embodiment of the application;
FIG. 2B is an enlarged schematic view of the touch sensor pattern gridding of FIG. 2A;
FIG. 2C is an enlarged schematic view of a portion of the touch sensor pattern gridding of FIG. 2B;
FIG. 3 is a schematic diagram of a touch sensor pattern gridding structure according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a touch sensor pattern according to an embodiment of the application;
FIG. 5A is another schematic diagram of a touch sensor pattern meshing in accordance with an embodiment of the application;
FIG. 5B is a schematic diagram of the touch sensor pattern layer formed by gridding the touch sensor pattern of FIG. 5A;
FIG. 6 is another schematic structural view of a touch sensor pattern according to an embodiment of the application;
FIG. 7 is a schematic view of yet another configuration of a touch sensor pattern according to an embodiment of the application;
FIG. 8 is a schematic view of yet another configuration of a touch sensor pattern in accordance with an embodiment of the application;
FIG. 9 is a schematic view of yet another configuration of a touch sensor pattern in accordance with an embodiment of the application;
FIG. 10 is a schematic view of yet another configuration of a touch sensor pattern in accordance with an embodiment of the application;
FIG. 11 is a schematic view of yet another configuration of a touch sensor pattern in accordance with an embodiment of the application;
fig. 12 is a schematic structural diagram of a touch screen according to an embodiment of the application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms "first," "second," "third," and "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
At present, a relatively common touch sensor comprises a resistive type touch sensor and a capacitive type touch sensor, wherein the capacitive type touch sensor has the advantages of high sensitivity, long service life, high light transmittance and the like, and the working principle is as follows: at least one layer of transparent conductive substance is arranged on the surface of the substrate to form a touch structure, when a conductive object (such as a finger of a person) touches the surface of the capacitive touch sensor, the capacitance at a touch point is changed, and the position, namely the coordinate value, of the touch point can be calculated according to the change of the capacitance.
The touch sensor patterns referred to in the embodiments of the application below may also be referred to as touch sensor structures.
The touch sensor pattern provided by the application can be applied to a folding screen, and fig. 1 is a schematic structural diagram of the folding screen according to an embodiment of the application; as shown in fig. 1, the folding screen includes: cover plate 101, transparent optical adhesive 102, polarizer 103, protective layer 104, sensing unit and organic light-emitting diode (organic light-EmittingDiode, OLED) display unit. The sensing unit includes a bridging member layer 105, an insulating layer 106, and a touch sensor pattern layer 107. The touch sensor pattern is disposed on the touch sensor pattern layer 107, i.e., under the cover plate 101. The OLED display unit includes a thin film encapsulation layer 108, an OLED cathode 109, display pixels 110, a thin film transistor (ThinFilmTransistor, TFT) driving circuit 111, and a substrate 112. A touch pattern layer 107 for realizing touch detection; a protective layer 104 for protecting the sensing unit from scratch, oxidation, etc.; the thin film encapsulation layer 108 is used to prevent moisture or oxygen from damaging the OLED material.
In order to realize touch detection, the driving electrode and the sensing electrode on the touch sensor pattern layer 107 need to be patterned in a specific manner. FIG. 2A is a schematic diagram of a touch sensor pattern layer according to an embodiment of the application;
FIG. 2B is an enlarged schematic view of the touch sensor pattern gridding of FIG. 2A; FIG. 2C is an enlarged schematic view of a portion of the touch sensor pattern gridding of FIG. 2B; as shown in fig. 2A, 2B, and 2C, the touch sensor pattern includes at least two sensing units 20, the sensing units 20 include sensing electrodes 201 and driving electrodes 202, and the driving electrodes 202 and the sensing electrodes 201 have a shape similar to a diamond, which is called a diamond pattern. The driving electrode 202 and the sensing electrode 201 have capacitance coupling capacity to form mutual capacitance, and the suspension block 203 can adjust the distance between the driving electrode 202 and the sensing electrode 201, so as to adjust the mutual capacitance. The suspension block 203 may be a metallic material. As shown in fig. 2C, the portion 204 of the touch sensor pattern gridding includes a bridge member 205 and an insulating layer 206, and since the driving electrode 202 and the sensing electrode 201 are formed on the same plane and vertically crossed, the driving electrode 202 can be connected through the bridge member 205, and the insulating layer 206 can be used to isolate the bridge member 205 from the sensing electrode 201, thereby preventing the two from being shorted. The bridging member 205 may be a metallic material. The suspension 203 is a conductive material.
Referring to fig. 3, fig. 3 is a schematic diagram illustrating a gridding structure of a touch sensor pattern according to an embodiment of the application; since the touch sensor pattern is generally a metal material having poor light transmittance, the driving electrode 302, the sensing electrode 301, the suspension 303, and the bridging member 305 may be filled with a mesh. Typically this form of meshing of touch sensor patterns is known as MetalMesh. However, the capacitive coupling amount of the touch sensor pattern is small, the suspension performance is still poor, and the present application provides another embodiment to better solve the suspension performance.
Touch sensor patterns provided by embodiments of the present application are described below in connection with various embodiments. 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 that the sizes and proportions shown in the drawings of the present application do not necessarily represent actual sizes, nor reflect the proportional relationship of the sizes.
The touch sensor pattern comprises at least two sensing units, wherein each sensing unit comprises sensing electrodes and driving electrodes, each sensing electrode comprises a first sensing electrode arranged in a first direction and a second sensing electrode arranged in a second direction, and the first sensing electrodes are connected with the second sensing electrodes; the driving electrodes comprise first driving electrodes arranged in a third direction and second driving electrodes arranged in a fourth direction, and the first driving electrodes are connected with the second driving electrodes; the first sensing electrodes arranged in the first direction and the first driving electrodes arranged in the third 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 alternately arranged in parallel and adjacent to each other.
Under the condition of the same pattern area, the touch sensor pattern provided by the application can increase the coupling between the driving electrode and the sensing electrode, thereby increasing the touch variation and improving the levitation performance.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a touch sensor pattern according to an embodiment of the 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, the first sensing electrode 4011 and the second sensing electrode 4012 are connected, the first sensing electrode 4011 and the third sensing electrode 4013 are connected, or in the left area of the sensing unit 40, the first sensing electrode 4011 arranged in the first direction extends out of H second sensing electrodes 4012 and R third sensing electrodes 4013 in an upward direction and extends out of H second sensing electrodes 4012 and R third sensing electrodes 4013 in an upward direction in a downward direction and extends out of R third sensing electrodes 4013 in an upward direction in a right area of the sensing unit 40, respectively, preferably, in this embodiment, h=r=5. The first direction may be parallel to one side of the border of the touch screen, and one side of the border of the touch screen is an X-axis direction. The driving electrodes 402 include first driving electrodes 4021 arranged in a third direction, second driving electrodes 4022 arranged in a fourth direction, and third driving electrodes 4023 arranged in a fifth direction, or in an upper region of the sensing unit 40, the first driving electrodes 4021 arranged in the third direction extend out of G second driving electrodes 4022 and J third driving electrodes 4023 respectively in a left direction and a right direction, and in a lower region of the sensing unit 40, the first driving electrodes 4021 arranged in the third direction extend out of G second driving electrodes 4022 and J third driving electrodes 4023 respectively in a right direction and a left direction. Preferably, in this embodiment, g=j=6. The number of second driving electrodes 4022 is greater than the number of second sensing electrodes 4012, i.e., the area of the sensing electrodes is smaller than the area of the driving electrodes, and the received display noise is less while satisfying the capacitive coupling amount. The third direction may be parallel to another side of the border of the touch screen, and another side of the border of the touch screen is in a Y-axis direction. The first sense electrode 4011 and the first drive electrode 4021 are perpendicular to each other; the second sense electrode 4012 and the second drive electrode 4022 are alternately arranged parallel to and adjacent to each other; the third sense electrode 4013 and the third drive electrode 4023 are alternately arranged parallel to and adjacent to each other. The second driving electrode 4022 and the third driving electrode 4023 form an angle of more than 80 degrees and less than 100 degrees, or the second driving electrode 4022 and the third driving electrode 4023 form an angle of any one of 80 degrees, 85 degrees, 90 degrees, 95 degrees, and 100 degrees.
The second sensing electrode 4012 and the second driving electrode 4022 are alternately arranged parallel to and adjacent to each other, specifically, one second driving electrode 4022 arranged parallel to the second sensing electrode 4012 is included on the left side of the second sensing electrode 4012, one second sensing electrode 4012 arranged parallel to the second driving electrode 4022 is included on the left side of the second driving electrode 4022, and so on, a plurality of second driving electrodes 4022 and a plurality of second sensing electrodes 4012 are alternately arranged parallel to and adjacent to each other.
In the left side region of the sensing unit 40, the second sensing electrode 4012 connected to the first sensing electrode 4011 in an upward direction forms an angle with the first sensing electrode 4011, and the angle may be more than 40 degrees and less than 50 degrees, and preferably is 45 degrees. The third sensing electrode 4013 connected to the first sensing electrode 4011 in a downward direction forms an angle with the first sensing electrode 4011, and the angle may be greater than 40 degrees and less than 50 degrees, or may be any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably the angle is 45 degrees.
In the right side region of the sensing unit 40, the third sensing electrode 4013 connected to the first sensing electrode 4011 in an upward direction forms an angle with the first sensing electrode 4011, and the angle may be more than 40 degrees and less than 50 degrees, and preferably is 45 degrees. The second sensing electrode 4012 connected to the first sensing electrode 4011 in a downward direction forms an angle with the first sensing electrode 4011, and the angle may be greater than 40 degrees and less than 50 degrees, or may be any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably the angle is 45 degrees.
In the upper portion region of the sensing unit 40, the second driving electrode 4022 connected to the first driving electrode 4021 in the left direction may be at an angle of more than 40 degrees and less than 50 degrees, and preferably at an angle of 45 degrees with respect to the first driving electrode 4021. The third driving electrode 4023 connected to the first driving electrode 4021 in the rightward direction forms an angle with the first driving electrode 4021, and the angle may be greater than 40 degrees and less than 50 degrees, or the angle may be any of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably the angle is 45 degrees.
In a lower portion region of the sensing unit 40, the second driving electrode 4022 connected to the first driving electrode 4021 in the rightward direction may be at an angle of more than 40 degrees and less than 50 degrees, and preferably at an angle of 45 degrees with respect to the first driving electrode 4021. The third driving electrode 4023 connected to the first driving electrode 4021 in the left direction may be at an angle of more than 40 degrees and less than 50 degrees, or may be at any of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably at an angle of 45 degrees. The second driving electrode 4022 and the third driving electrode 4023 may have an angle of more than 80 degrees and less than 100 degrees, or an angle of any one of 80 degrees, 85 degrees, 90 degrees, 95 degrees, and 100 degrees, and preferably an angle of 90 degrees.
The driving electrodes 402 further include fourth driving electrodes 4024 arranged in the first direction, wherein the fourth driving electrodes 4024 are respectively arranged on the upper and lower adjacent sides of the first sensing electrode 4011 arranged in the first direction, and the fourth driving electrodes 4024 are parallel to the first sensing electrode 4011; the triangular region formed by the second driving electrode 4022, the first driving electrode 4021 and the fourth driving electrode 4024 is provided with a suspension block, and the triangular region formed by the third driving electrode 4023, the first driving electrode 4021 and the fourth driving electrode 4024 is provided with a suspension block, and the enclosed region formed between the driving electrodes 402 may be triangular or may be other shapes. In each sensing cell 40, the second driving electrode 4022, the first driving electrode 4021, and the fourth driving electrode 4024 form a total of 4 triangular areas, each of which is provided with a suspending block 403. The upper left, upper right, lower left, lower right corners of sensing cells 40 are distributed over levitation block 403 to avoid sensing electrode connections of sensing cells 40 between different rows. The ratio of the total area of 8 levitation blocks 403,8 levitation blocks 403 included in the sensing unit 40 to the sum of the areas of the sensing electrode 401 and the driving electrode 402 is less than 1. Preferably, the ratio of the area of the levitation block 403 to the sum of the areas 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 levitation block 403 to the sum of the areas of the sensing electrode 401 and the driving electrode 402 may be any one of 0.5, 0.8, 1, 1.2, 1.5, and preferably, the ratio of the areas is 1.
The shape and number of the suspension blocks 403 may be arbitrary, and the suspension blocks 403 are made of conductive materials, such as metal or alloy, and are generally free, so that the suspension blocks 403 occupy the areas of the sensing electrode 401 and the driving electrode 402 to reduce the electrode area, thereby reducing the capacitive coupling amount between the sensing electrode 401 and the driving electrode 402. Also, the amount of capacitive coupling between sense electrode 401 and drive electrode 402 may be increased by reducing the area occupied by suspension 403 by sense electrode 401 and drive electrode 402 to increase the electrode area. The amount of capacitive coupling may 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 member 405. Any two adjacent sensing units 40 in the X-axis direction are connected to each other through a first sensing electrode 4011, and any two adjacent sensing units 40 in the Y-axis direction are connected to each other through a first driving electrode 4021.
Further, the levitation block 403 may be divided into small blocks. For example, the floating block 403 distributed in the upper left, upper right, lower left, and lower right of the sensing unit 40 is divided into 3 small blocks, and the floating block 403 at the gap between the first driving electrode 4021 and the second driving electrode 4022 is divided into 2 small blocks. The levitation block 403 is divided into small blocks to reduce the effect of shorting the drive electrode 401 or sense electrode 402 to the levitation block 403.
Compared with the existing pattern, the touch sensor pattern provided by the application improves the capacitance variation and reduces the capacitance coupling between the hand and the driving electrode 401 and/or the sensing electrode 402. Under the condition of the same pattern area of the touch sensor, the capacitive coupling of the driving electrode 401 and the sensing electrode 402 can be increased, and the capacitance variation is increased, so that the levitation effect is improved. The advantage of low resistance of the metal material forming the touch pattern is fully utilized, and the resistance-capacitance attenuation of the whole channel is also considered while the coupling capacitance is increased.
The touch sensor pattern of the application can be applied to products such as smart phones, tablets, bracelets, electronic newspapers and the like. On the premise of meeting the process capability, the driving electrode 401 and the sensing electrode 402 can be coupled as much as possible, so as to improve the touch variation and reduce the area of the driving electrode 401 and the sensing electrode 402 which are ineffective for improving the capacitance variation.
Referring to fig. 5, fig. 5A is a schematic diagram illustrating another structure of a 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 gridding the touch sensor pattern of FIG. 5A; touch sensor pattern the touch sensor pattern is generally light transmissive because the material comprising the touch sensor pattern is metal, and the pattern may be optionally grid-filled to ensure that the display of the OLED pixels 506 is not affected, and the gridded touch sensor pattern is referred to as a MetalMesh. The touch sensor pattern of the present application is filled with a metal mesh. As shown in fig. 5A and 5B, the gridded touch sensor pattern forms a sensing electrode 501 and a driving electrode 502, wherein the hollowed-out portion is used for transmitting light to the OLED pixel 506, and does not affect the display of the OLED pixel 506. Since the grid surrounds the OLED pixels 506, the size and shape of the grid depends on the size and shape of the OLED pixels 506, the line width of the grid is typically 1-5 um, and if the lines need to be broken, the line-to-line spacing is typically 3-7 um, and the specific parameters are based on the process capability. To further enhance the coupling capacitance between the driving electrode 501 and the sensing electrode 502, two metal wires typically form one driving electrode 501 or one sensing electrode 502 according to the process capability.
Referring to fig. 6, fig. 6 is a schematic diagram of another structure of a touch sensor pattern according to an embodiment of the application. The difference between fig. 6 and fig. 4 is that the triangular region formed by the second driving electrode 4022, the first driving electrode 4021, and the fourth driving electrode 4024 in fig. 4 and provided with the suspending block is filled with the second driving electrode 6022 and the second sensing electrode 6012 in fig. 6; the triangular region formed by the third driving electrode 4023, the first driving electrode 4021, and the fourth driving electrode 4024 in fig. 4 and provided with the floating block is filled with the third driving electrode 6023 and the third sensing electrode 6013 in fig. 6, and the upper left corner, the upper right corner, the lower left corner, and the lower right corner of the sensing unit 60 in fig. 6 are distributed in the floating block with a smaller area than 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 6013 arranged in a sixth direction, the first sensing electrode 6011 and the second sensing electrode 6012 are connected, or the first sensing electrode 6011 and the third sensing electrode 6013 are respectively extended in an upward direction and a downward direction of the first sensing electrode 6011 in a left side area of the sensing unit 60, and the first sensing electrode 6011 arranged in the first direction is respectively extended in a downward direction and the third sensing electrode 6013 in a right side area of the sensing unit 60, and the first sensing electrode 6011 arranged in the first direction is respectively extended in the downward direction and the upward direction of the second sensing electrode 6012 and the third sensing electrode 6013. The driving electrodes 602 include a first driving electrode 6021 arranged in a third direction and a second driving electrode 6022 arranged in a fourth direction, or the first driving electrode 6021 arranged in the third direction extends out of the second driving electrode 6022 and the third driving electrode 6023 in the left direction and the right direction, respectively, in an upper portion region of the sensing unit 60, and the first driving electrode 6021 arranged in the third direction extends out of the second driving electrode 6022 and the third driving electrode 6023 in the right direction and the left direction, respectively, in a lower portion region of the sensing unit 60. The first sensing electrode 6011 and the first driving electrode 6021 are perpendicular to each other; the second sensing electrodes 6012 and the second driving electrodes 6022 are alternately arranged parallel to and adjacent to each other. In order to increase the capacitive coupling amount between the sensing electrode and the driving electrode, the adjacent alternating arrangement of the sensing electrode and the driving electrode of the present application may mean that no suspension bump is provided between the sensing electrode and the driving electrode.
In the left side region of the sensing unit 60, the second sensing electrode 6012, to which the first sensing electrode 6011 is connected in an upward direction, makes an angle with the first sensing electrode 6011, and the angle may be more than 40 degrees and less than 50 degrees, or may be any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably, the angle is 45 degrees. The third sensing electrode 6013 connected to the first sensing electrode 6011 in the downward direction may be at an angle of more than 40 degrees and less than 50 degrees, or may be any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably, the angle is 45 degrees, with respect to the first sensing electrode 6011.
In the right side region of the sensing unit 60, the second sensing electrode 6012 connected to the first sensing electrode 6011 in the downward direction forms an angle with the first sensing electrode 6011, and the angle may be more than 40 degrees and less than 50 degrees, or may be any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably the angle is 45 degrees. The third sensing electrode 6013 connected to the first sensing electrode 6011 in an upward direction may have an angle of more than 40 degrees and less than 50 degrees, or may have an angle of any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably has an angle of 45 degrees, with the first sensing electrode 6011.
In the upper region of the sensing element 60, the second driving electrode 6022 connected to the first driving electrode 6021 in the left direction may be at an angle of more than 40 degrees and less than 50 degrees, or may be at any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably at an angle of 45 degrees. The third driving electrode 6023 connected to the first driving electrode 6021 in the rightward direction may be at an angle of more than 40 degrees and less than 50 degrees, or may be at any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably at an angle of 45 degrees.
In the lower portion of the sensing cell 60, the second driving electrode 6022, to which the first driving electrode 6021 is connected in the rightward direction, may be at an angle of more than 40 degrees and less than 50 degrees, or may be at any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably at an angle of 45 degrees. The third driving electrode 6023 connected to the first driving electrode 6021 in the left direction may be at an angle of more than 40 degrees and less than 50 degrees, or may be at any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably at an angle of 45 degrees.
The sensing unit 60 includes two first driving electrodes 6021 arranged in the same direction, the two first driving electrodes 6021 are connected by a bridging member 605, and the area of the first driving electrode 6021 connected to the bridging member 605 is large. The upper left, upper right, lower left, lower right corners of the sense cells 60 are distributed to the levitation block 603 to avoid sense electrode 601 connections of the sense cells 60 between different rows. The ratio of the area of the suspension 603 to the sum of the areas of the sensing electrode 601 and the driving electrode 602 is less than 1. The driving electrodes 601 are alternately arranged adjacent to the sensing electrodes 602 until they are fully distributed to the central region of the sensing unit 60.
The touch sensor pattern provided in embodiments of the present application increases the amount of capacitance change and decreases the amount of capacitive coupling between the hand and the drive electrode 601 and/or sense electrode 602. Under the condition of the same pattern area of the touch sensor, the capacitive coupling of the driving electrode 601 and the sensing electrode 602 is greatly increased, and the capacitance variation is increased, so that the levitation effect is improved.
Referring to fig. 7, fig. 7 is a schematic view of another structure of a touch sensor pattern according to an embodiment of the application. In comparison with fig. 6, the floating blocks 703 disposed at the upper left, upper right, lower left, and lower right of the sensing cells 70 in fig. 7 have an increased area to avoid the connection of the sensing electrodes 701 of the sensing cells 70 between different rows. In the sensing unit 70, the ratio of the area of the levitation 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 suspension 703 to the sum of the areas of the sensing electrode 701 and the driving electrode 702 may be any value, which is not limited by the present application.
Specifically, the sensing unit 70 includes a sensing electrode 701 and a driving electrode 702, the sensing electrode 701 includes a first sensing electrode 7011 arranged in a first direction, a second sensing electrode 7012 arranged in a second direction, and a third sensing electrode 7013 arranged in a sixth direction, the first sensing electrode 7011 and the second sensing electrode 7012 are connected, or the first sensing electrode 7011 and the third sensing electrode 7013 are connected, or the first sensing electrode 7011 arranged in the first direction extends out of the second sensing electrode 7012 and the third sensing electrode 7013 in an upward direction and a downward direction in a left side area of the sensing unit 70, and the first sensing electrode 7011 arranged in the first direction extends out of the second sensing electrode 7012 and the third sensing electrode 7013 in a downward direction and an upward direction in a right side area of the sensing unit 70. The driving electrodes 702 include first driving electrodes 7021 arranged in a third direction and second driving electrodes 7022 arranged in a fourth direction, or the first driving electrodes 7021 arranged in the third direction extend out of the second driving electrodes 7022 and the third driving electrodes 7023 respectively in the left direction and the right direction in an upper portion region of the sensing unit 70, and the first driving electrodes 7021 arranged in the third direction extend out of the second driving electrodes 7022 and the third driving electrodes 7023 respectively in the right direction and the left direction in a lower portion region of the sensing unit 70. The first sensing electrode 7011 and the first driving electrode 7021 are perpendicular to each other; the second sensing electrodes 7012 and the second driving electrodes 7022 are alternately arranged parallel to each other and adjacent to each other.
Referring to fig. 8, fig. 8 is a schematic diagram of another structure of a touch sensor pattern according to an embodiment of the application. The sensing unit 80 includes a sensing electrode 801, a driving electrode 802, and a suspension 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, a fourth sensing electrode 8014 arranged in a third direction, and a second sensing unit 8012 arranged in a second direction, and the driving electrode 802 includes a first driving electrode 8021 arranged in the third direction, a third driving electrode 8023 arranged in a fifth direction, a fourth driving electrode 8024 arranged in the first direction, and a second driving electrode 8022 arranged in the fourth direction. The first driving electrodes 8021 are alternately arranged parallel and adjacent to the fourth sensing electrodes 8014, and the first sensing electrodes 8011 are alternately arranged parallel and adjacent to the fourth driving electrodes 8024.
In the left side region of the sensing cell 80, the second sensing electrode 8012, to which the first sensing electrode 8011 is connected in an upward direction, forms an angle with the first sensing electrode 8011, and the angle may be more than 40 degrees and less than 50 degrees, or may be any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably, the angle is 45 degrees. The third sensing electrode 8013 connected to the first sensing electrode 8011 in the downward direction forms an angle with the first sensing element 8011, and 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, and preferably, the angle is 45 degrees.
In the right side region of the sensing cell 80, the second sensing electrode 8012 connected to the first sensing electrode 8011 in the downward direction makes an angle with the first sensing electrode 8011, and the angle may be more than 40 degrees and less than 50 degrees, or may be any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, and 50 degrees, and preferably, the angle is 45 degrees. The third sensing electrode 8013 connected to the first sensing electrode 8011 in an upward direction forms an angle with the first sensing element 8011, and 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, and preferably, the angle is 45 degrees.
In the upper portion region of the sensing unit 80, the second driving electrode 8022 connected to the first driving electrode 8021 in the left direction may be at an angle of more than 40 degrees and less than 50 degrees, or may be any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, 50 degrees, and preferably, the angle is 45 degrees. The third driving electrode 8023 connected to the first driving electrode 8021 in the rightward direction forms an angle with the first driving electrode 8021, and 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, and preferably the angle is 45 degrees.
In the lower portion region of the sensing unit 80, the second driving electrode 8022 connected to the first driving electrode 8021 in the rightward direction may be at an angle of more than 40 degrees and less than 50 degrees, or may be any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, 50 degrees, and preferably, the angle is 45 degrees. The third driving electrode 8023 connected to the first driving electrode 8021 in the left direction forms an angle with the first driving electrode 8021, and 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, and 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 in 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 in 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 alternately arranged parallel and 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 alternately arranged in parallel and adjacent to each other. The second sensing units 8012 and the second driving units 8022 are alternately arranged parallel to each other and 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 member 805. The upper left, upper right, lower left, lower right corners of sense cells 80 are distributed over second suspension block 8032 to avoid sense electrode 801 connections of sense cells 80 between different rows. The sensing electrodes 801 or the driving electrodes 802 arranged in the X-axis direction, the sensing electrodes 801 or the driving electrodes 802 arranged in the Y-axis direction, and the closed areas formed by the second driving electrodes 8022 or the third driving electrodes 8023 are provided with the first suspension blocks 8031, a total of 8 such closed areas are provided in the sensing units 80, each of the closed areas is provided with the first suspension blocks 8031, and in each of the sensing units 80, the ratio of the total area of the suspension blocks 803 to the sum of the areas of the sensing electrodes 801 and the driving electrodes 802 is close to 1. The first sensing electrode 8011 arranged in the X-axis direction, the fourth sensing electrode 8014 arranged in the Y-axis direction, the first driving electrode 8021 arranged in the Y-axis direction, and the fourth driving electrode 8024 arranged in the X-axis direction are wavy. The second sensing cells 8012, the third sensing electrodes 8013, the second driving electrodes 8022, and the third driving electrodes 8023 have a bar shape. Of course, the sensing electrode 801 and the driving electrode 802 may be provided in other shapes, and the shape of the electrodes is not limited by the present application.
The touch sensor pattern provided in embodiments of the present application increases the amount of capacitance change and decreases the amount of capacitive coupling between the hand and the drive electrode 801 and/or sense electrode 802. Under the condition of the same pattern area of the touch sensor, the capacitive coupling of the driving electrode 801 and the sensing electrode 802 is greatly increased, and the capacitance variation is increased, so that the levitation effect is improved.
Referring to fig. 9, fig. 9 is a schematic view of another structure of a touch sensor pattern according to an embodiment of the application; as shown in fig. 9, the sensing unit 90 includes a sensing electrode 901, a driving electrode 902 and a suspension 903, wherein the sensing electrode 901 includes a first sensing electrode 9011 arranged in a first direction, a fourth sensing electrode 9014 arranged in a third direction, or the first sensing electrode 9011 extends out of the fourth sensing electrode 9014 in an upward direction and a downward direction, respectively. The driving electrode 902 includes first driving electrodes 9021 arranged in a third direction. The first sensing electrode 9011 and the fourth sensing electrode 9014 may have an angle of more than 80 degrees and less than 100 degrees, preferably, an angle of 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 alternately arranged in parallel and adjacent to each other. Alternatively, the second direction and the fourth direction in fig. 4 may be the third direction of fig. 9. The left and right edges of the sensing unit 90 are laid out with levitation blocks 903. The first driving electrode 9021, the fourth sensing electrode 9014, and the suspending block 903 are provided in a wavy shape, but may be provided in a bar shape, and the shapes of the driving electrode 902 and the sensing electrode 901 are not limited in the present application.
The first sensing electrodes 9011 of any two adjacent sensing cells 90 in the X-axis direction are connected to each other, and the first driving electrodes 9021 of any two adjacent sensing cells 90 in the Y-axis direction are connected to each other. Two first driving electrodes 9021 of one sensing cell 90 arranged in the same direction are connected by a bridging member 905. The bridging member 905 is a conductive material.
Referring to fig. 10, fig. 10 is a schematic view of another structure of a touch sensor pattern according to an embodiment of the application; the difference between fig. 10 and 9 is that the floating blocks 1003 provided in the left and right regions of the sensing unit 100 have an increased area, reducing the capacitance sensing amount between the sensing electrode and the driving electrode. So as to avoid exceeding the processing range of the capacitive coupling amount born by the touch chip.
The sensing unit 100 includes sensing electrodes, driving electrodes and a levitation block 1003, and the sensing electrodes include a first sensing electrode 1011 arranged in a first direction and a fourth sensing electrode 1014 arranged in a third direction, or the first sensing electrode 1011 extends out of the fourth sensing electrode 1014 in an upward direction and a downward direction, respectively. The driving electrodes include first driving electrodes 1021 arranged in a third direction. The first sensing electrode 1011 and the fourth sensing electrode 1014 may have an angle of more than 80 degrees and less than 100 degrees, preferably, an angle of 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 alternately arranged parallel and adjacent to each other. Left and right edges of the sensing unit 100 are laid out with levitation blocks 1003. The first driving electrode 1021, the fourth sensing electrode 1014, and the levitation block 1003 are provided in a wavy shape, but may be provided in a bar shape, and the shapes of the driving electrode and the sensing electrode are not limited in the present application.
Referring to fig. 11, fig. 11 is a schematic view of another structure of a touch sensor pattern according to an embodiment of the 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 the suspension blocks 1103, and the mutual capacitance induction amount between the induction electrode and the driving electrode is further reduced on the basis of fig. 10.
The sensing unit 110 includes sensing electrodes including 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 extends out of the fourth sensing electrode 1114 in an upward direction and a downward direction, respectively, and a driving electrode and a suspension block 1103. The driving electrodes include first driving electrodes 1121 arranged in a third direction. The first sensing electrode 1111 and the fourth sensing electrode 1114 may be at an angle of more than 80 degrees and less than 100 degrees, preferably at an angle of 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 alternately arranged parallel to each other and adjacent to each other. The left and right edges of the sensing unit 110 are laid out with a floating block 1103. The first driving electrode 1121, the fourth sensing electrode 1114, and the suspension 1103 are provided in a wavy shape, but may be provided in a bar shape, and the shapes of the driving electrode and the sensing electrode are not limited in the present application.
The positions and the number of the suspension blocks 1103 may be arbitrarily set, and the positions of the suspension blocks 1103 may be set at both sides of the first driving electrode 1121, and at the left and right edges of the sensing unit 110, or may be set at any position of the sensing unit 110, and the number of the suspension blocks 1103 may be set to 4, or may be set to other numbers, which is not limited in the present application.
According to the embodiment of the application, the suspension blocks 1103 with any area can be arranged as required, and the mutual capacitance induction quantity between the induction electrode and the driving electrode is reduced by increasing the area of the suspension blocks 1103; the mutual capacitance induction amount between the induction electrode and the driving electrode is increased by reducing the area of the suspension 1103.
The capacitive touch sensor includes the touch sensor pattern of any of the embodiments described above.
The touch device includes a touch chip and a touch sensor pattern of any of the embodiments described above.
Referring to fig. 12, fig. 12 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, the capacitive touch sensor includes a plurality of sensing electrodes and a plurality of driving electrodes, each sensing electrode along a first direction and each driving electrode extending along a third direction are connected with corresponding wires, and the wires are connected with the flexible printed circuit board 1202 and the touch chip 1203, so that the touch chip 1203 can identify the touched position information of the touch screen 1201 according to the touch signal transmitted by the wires, and report the position information to the host 1204. The first direction is parallel to one side of the bezel of the touch screen and the third direction is parallel to the other side of the bezel of the touch screen.
It should be noted that, in this embodiment, the touch chip and other surrounding circuits in the touch device are not limited.
Alternatively, the touch screen in the touch device according to the embodiment of the present application may be, for example, a Glass and Glass (GG) structure, a Glass and Film (GF) structure, a structure in which the touch screen is embedded between a color filter substrate and a polarizer of the touch screen, or a single glass (OGS) structure, where a cover plate in the GF structure is glass and a conductive layer is a film, and the embodiment of the present application is not limited herein for a specific structure of the touch screen in the touch device.
Based on the above embodiments, the embodiment of the present application further provides an electronic terminal, where the electronic terminal includes the touch device provided in any one of the embodiments.
The electronic terminal may be any product or component with a display function, such as a liquid crystal panel, an electronic paper, an Organic Light-Emitting Diode (OLED) panel, a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, a wearable device or a home appliance.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (15)
1. A touch sensor pattern comprising at least two sensing cells, wherein each of the two sensing cells comprises 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 induction electrode is connected with the second induction electrode, and the first driving electrode is connected with the second driving electrode;
the first induction 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 adjacently and alternately arranged;
the first induction electrode, the second induction electrode, the first driving electrode and the second driving electrode are all in a metal grid shape;
each sensing unit further comprises a third sensing electrode arranged in a sixth direction, the first sensing electrode is connected with the third sensing electrode, and an angle formed by the first sensing electrode and the third sensing electrode is larger than 40 degrees and smaller than 50 degrees;
each sensing unit further comprises a third driving electrode arranged in a fifth direction, the first driving electrode is connected with the third driving electrode, and an angle formed by the first driving electrode and the third driving electrode is more than 40 degrees and less than 50 degrees;
The third induction electrode and the third driving electrode are parallel and adjacently and alternately arranged; and
each sensing unit further comprises a fourth driving electrode arranged in the first direction, a closed area formed by the fourth driving electrode, the second driving electrode and the first driving electrode is provided with a suspension block, and a closed area formed by the fourth driving electrode, the third driving electrode and the first driving electrode is provided with the suspension block.
2. The touch sensor pattern of claim 1, wherein each sensing element further comprises a suspended mass, the suspended mass being a conductive material.
3. The touch sensor pattern of claim 2, wherein the levitation blocks are disposed at an upper left corner, a lower left corner, an upper right corner, and a lower right corner of the sensing unit, respectively.
4. A touch sensor pattern according to claim 2 or 3, wherein the ratio of the area of the suspension to the sum of the areas of the sense electrode and the drive electrode is greater than 0.5 and less than 1.5.
5. The touch sensor pattern of claim 1, wherein the first sensing electrode forms an angle with the second sensing electrode of greater than 40 degrees and less than 50 degrees and/or the first driving electrode forms an angle with the second driving electrode of greater than 40 degrees and less than 50 degrees.
6. The touch sensor pattern of claim 1, wherein the first sensing electrode forms an angle of any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, 50 degrees with the second sensing electrode and/or the first driving electrode forms an angle of any one of 40 degrees, 42 degrees, 45 degrees, 48 degrees, 50 degrees with the second driving electrode.
7. The touch sensor pattern of claim 1, wherein the number of second drive electrodes is greater than the number of second sense electrodes.
8. The touch sensor pattern of claim 1, wherein each sensing element comprises two of the first drive electrodes connected by a bridging member, the bridging member being a conductive material.
9. The touch sensor pattern of claim 1, wherein the first direction is parallel to one side of the bezel of the touch screen and the third direction is parallel to another side of the bezel of the touch screen.
10. The touch sensor pattern of claim 1, wherein the second driving electrode and the third driving electrode form an angle of more than 80 degrees and less than 100 degrees or the second driving electrode and the third driving electrode form an angle of any one of 80 degrees, 85 degrees, 90 degrees, 95 degrees, 100 degrees.
11. The touch sensor pattern of claim 10, wherein the floating mass has a plurality of nubs to reduce the effect of shorting the drive or sense electrodes to the floating mass.
12. The touch sensor pattern of any one of claims 1-3, 5-11, wherein the touch sensor pattern is formed below a cover panel of a folding screen.
13. A touch sensor comprising a touch sensor pattern according to any of claims 1-12.
14. A touch device comprising a touch chip and the touch sensor of claim 13, wherein the touch chip and the touch sensor are connected by a trace.
15. An electronic terminal comprising the touch device of claim 14.
Applications Claiming Priority (1)
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| PCT/CN2019/113756 WO2021081716A1 (en) | 2019-10-28 | 2019-10-28 | Touch sensor pattern, touch sensor, touch device and electronic terminal |
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| CN111065994B true CN111065994B (en) | 2023-11-07 |
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| EP3191923A1 (en) * | 2014-09-08 | 2017-07-19 | Touchnetix Limited | Touch sensors |
| CN106648265A (en) * | 2015-08-03 | 2017-05-10 | 奇景光电股份有限公司 | Touch panel |
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| WO2021081716A1 (en) | 2021-05-06 |
| CN111065994A (en) | 2020-04-24 |
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