WO2013056487A1 - Réseau tactile, capteur tactile, afficheur tactile, et dispositif tactile - Google Patents

Réseau tactile, capteur tactile, afficheur tactile, et dispositif tactile Download PDF

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Publication number
WO2013056487A1
WO2013056487A1 PCT/CN2011/082520 CN2011082520W WO2013056487A1 WO 2013056487 A1 WO2013056487 A1 WO 2013056487A1 CN 2011082520 W CN2011082520 W CN 2011082520W WO 2013056487 A1 WO2013056487 A1 WO 2013056487A1
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Prior art keywords
touch
group
sensing wire
disposed
substrate
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Application number
PCT/CN2011/082520
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English (en)
Chinese (zh)
Inventor
卢正乾
施宣明
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台均科技（深圳）有限公司
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Application filed by 台均科技（深圳）有限公司 filed Critical 台均科技（深圳）有限公司
Priority to KR1020147013332A priority Critical patent/KR20140091559A/ko
Publication of WO2013056487A1 publication Critical patent/WO2013056487A1/fr

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Classifications

    • 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
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • 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
    • G06F3/0442—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using active external devices, e.g. active pens, for transmitting changes in electrical potential to be received by the digitiser
    • 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
    • G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection

Definitions

  • the present invention relates to touch technologies, and in particular, to a touch array, a touch sensor, and a touch device having both capacitive and inductive touch capabilities. Display and dual mode touch device. Background technique
  • Capacitive touch technology is mainly used in products that are directly touched by fingers, such as mobile phones, computers, and video playback terminals.
  • Inductive touch technology is mainly used in products written with a pen that emits electromagnetic signals, such as: electronic whiteboards, children's learning machines, etc.
  • the capacitive touch sensor mainly adopts a densely arranged array structure.
  • the touch point is positioned by detecting a high-speed current or voltage scan signal transmitted by means of a finger.
  • the advantages of the capacitive touch sensor are: The sensitivity is higher than that of the resistive film touch product, and can be directly manipulated by fingers, and is convenient to use.
  • the flaws are: Can't write with a pen.
  • the inductive touch sensor mainly uses an electromagnetic induction antenna array to detect the position information of the electromagnetic pen in the electromagnetic induction antenna array, so as to realize the positioning of the electromagnetic pen touch point.
  • the advantages are: an input method suitable for people to write with a pen; the disadvantages are: The electromagnetic induction antenna array can only receive the signal from the electromagnetic pen, and cannot detect the signal touched by the human finger.
  • the dual touch function that combines handwriting and pen writing on the same product is one of the hotspots of research and development in the industry.
  • a dual mode touch technology is disclosed in Chinese Patent Application Publication No. CN102163112A. This technology enables dual touch functions combining handwriting and pen writing on the same product.
  • the technology mainly uses an external control circuit to control a touch sensor to switch between a capacitive mode and an inductive mode to detect an electromagnetic pen signal or a finger touch signal. The concept is tiny, and can realize the dual touch of handwriting and pen writing simultaneously. Control function.
  • the technology uses an antenna array to detect the electromagnetic pen signal or the finger touch signal, which requires switching the antenna array to be controlled by the electromagnetic induction control circuit when detecting the electromagnetic pen signal, and when detecting the finger touch signal,
  • the antenna array is switched to a capacitive touch circuit for control; therefore, the antenna array can only operate in one mode at any time. That is: either work in capacitive touch mode or work in electromagnetic touch mode.
  • the electromagnetic pen and the finger touch the touch sensor at the same time, they cannot be the same. The signal of the finger and the electromagnetic pen is detected. Summary of the invention
  • One aspect of the present invention provides a touch array for solving the problem that the touch array in the prior art cannot simultaneously detect the signals of the finger touch and the electromagnetic pen at the same time.
  • Another aspect of the present invention is to provide a touch sensor that can be used to simultaneously detect a finger touch and an electromagnetic pen signal at the same time.
  • Yet another aspect of the present invention is to provide a touch display screen that can be used to simultaneously detect signals of a finger touch and an electromagnetic pen at the same time.
  • Still another aspect of the present invention is to provide a touch device capable of simultaneously detecting a signal of a finger touch and an electromagnetic pen at the same time.
  • the object of the first aspect of the present invention is to provide a touch array.
  • the touch array is composed of a substrate, a capacitively coupled touch array, and an electromagnetic induction array.
  • the capacitively coupled touch array and the electromagnetic induction array are mutually coupled. Insulation setting
  • the capacitive coupling touch array includes: a first direction capacitor conductor group and a second direction capacitor conductor group, wherein the first direction capacitor conductor group and the second direction capacitor conductor group are stacked on each other, so-called first direction and second direction Having an angle greater than 0° therebetween; wherein the first direction capacitive conductor set is composed of two or more first-direction capacitive conductors that are parallel and insulated from each other, and the second-direction capacitive conductor set is parallel and insulated by two or more The second direction capacitor conductor is configured;
  • the electromagnetic induction array includes: a first direction sensing wire group and a second direction sensing wire group, wherein the first direction sensing wire group and the second direction sensing wire group are stacked on each other, so-called between the first direction and the second direction Having an angle greater than 0°; wherein the first direction inductive wire set is composed of two or more first direction inductive wires that are parallel and insulated from each other, and the second direction inductive wire group is composed of two or more parallel and insulated a second direction sensing wire;
  • the first direction capacitor conductor group and the first direction sensing wire group are disposed on the first surface of the substrate, and the second direction capacitor conductor group and the second direction sensing wire group are disposed on the second surface of the substrate; or
  • the first direction capacitive conductor set and the second direction sensing wire set are disposed on the first surface of the substrate, and the second direction capacitive conductor set and the first direction sensing wire set are disposed on the second surface of the substrate.
  • the touch array can be used at any time.
  • the signals of the finger touch and the electromagnetic pen are simultaneously detected, and the layout of the touch array can achieve the above functions, minimize the thickness of the touch array, and effectively reduce the cost of stacking multiple arrays.
  • Another touch array is provided, which is also composed of a substrate, a capacitively coupled touch array, and an electromagnetic induction array; wherein the capacitively coupled touch array and the electromagnetic induction array are insulated from each other Setting
  • composition and structure of the capacitively coupled touch array and the electromagnetic induction array are the same as those of the capacitively coupled touch array and the electromagnetic induction array in the first touch array. which is:
  • the capacitively coupled touch array includes: a first direction capacitor conductor group and a second direction capacitor conductor group, wherein the first direction capacitor conductor group and the second direction capacitor conductor group are stacked on each other, so-called between the first direction and the second direction Having an angle greater than 0°; wherein the first direction capacitive conductor set is composed of two or more first-direction capacitive conductors that are parallel and insulated from each other, and the second-direction capacitive conductor set is composed of two or more parallel and insulated a second direction capacitor conductor;
  • the electromagnetic induction array includes: a first direction sensing wire group and a second direction sensing wire group, wherein the first direction sensing wire group and the second direction sensing wire group are stacked on each other, and the so-called first direction and the second direction have a An angle greater than 0°; wherein the first direction sensing wire group is composed of two or more first direction sensing wires that are parallel and insulated, and the second direction sensing wire group is composed of two or more parallel and insulated second Directional induction wire;
  • the capacitive coupling touch array and the first direction sensing wire group are both disposed on the first surface of the substrate, and only the second direction sensing wire group is disposed on the substrate. Or two surfaces; or, the capacitively coupled touch array and the second direction sensing wire set are disposed on the first surface of the substrate, and only the first direction sensing wire group is disposed on the second surface of the substrate.
  • the second touch array of the present invention can effectively reduce the parasitic capacitance in the touch array and improve the touch on the basis of the same function of the first touch array. Control the sensitivity of the array.
  • the object of the second aspect of the present invention is to provide a touch sensor, which is composed of the foregoing first touch array and a connecting end disposed on the outer periphery of the first touch array; Wherein the connection end portion is disposed at any edge of the first surface and/or the second surface of the substrate of the touch array;
  • connecting conductors on the connecting ends are respectively connected to the capacitive coupling touch Each of the capacitor conductors of the array; and the connecting wires on the connecting end are respectively connected to the respective sensing wires of the electromagnetic induction array.
  • the touch array can detect the signal of the finger touch and the electromagnetic pen at any time, and pass the connection end of the touch array in the touch sensor.
  • the substrates are separately arranged to achieve a stable connection between the touch sensor and the external control component, and at the same time, the reliability of the touch product including the touch sensor can be improved.
  • the second aspect of the present invention can also be implemented as follows: Another touch sensor is provided, and the other touch sensor includes: the foregoing second touch array and the outer periphery of the second touch array. a connecting end portion; wherein the connecting end portion is disposed at any edge of the first surface and/or the second surface of the substrate of the touch array;
  • connecting conductors on the connecting ends are respectively connected to the respective capacitive conductors of the capacitive coupling touch array; and the connecting wires on the connecting ends respectively respectively connect the sensing wires of the electromagnetic induction array.
  • the touch array can detect the signal of the finger touch and the electromagnetic pen at any time, and pass the connection end of the touch array in the touch sensor.
  • the substrates are separately arranged to ensure that the signals of the finger touch and the electromagnetic pen in the touch sensor do not interfere with each other, and the reaction sensitivity of the touch sensor is improved.
  • the touch sensor described above can reasonably utilize the space around the substrate in the touch sensor without increasing the thickness.
  • the third aspect of the present invention is achieved by: providing a touch display screen, the touch display screen comprising: a display screen and a touch sensor disposed on the display side; wherein the touch display screen comprises The touch sensor is the first touch sensor described above.
  • the first touch display screen of the present invention can detect the signal of the finger touch and the electromagnetic pen at the same time by using the touch sensor described above; and the touch display screen can effectively reduce the thickness and have a larger touch. Control the display of the visible area.
  • the object of the third aspect of the present invention can also be implemented as follows: Another touch display screen is provided, the touch display screen includes: a display screen and a touch sensor disposed on the display side, wherein the touch sensor is the foregoing The second type of touch sensor.
  • the second touch display screen of the present invention can detect the signals of the finger touch and the electromagnetic pen at the same time by using the touch sensor, and effectively avoid detecting the signal and electromagnetic of the finger touch.
  • the pen's signal interference problem effectively improves the sensitivity of the touch display and maximizes the visible area of the touch display.
  • the object of the fourth aspect of the present invention is to provide a touch device, the touch device includes: a touch surface and a touch sensor disposed on a side of the touch surface;
  • the control sensor is the first type of touch sensor described above.
  • the first touch device of the present invention can detect the signals of the finger touch and the electromagnetic pen at the same time by using the touch sensor described above; and the touch device can effectively reduce the thickness and reduce the manufacturing cost thereof.
  • the object of the fourth aspect of the present invention can also be implemented as follows:
  • the touch device includes: a touch surface and a touch sensor disposed on a side of the touch surface; wherein the touch sensor is the foregoing The second type of touch sensor.
  • FIG. 1 is a schematic perspective structural view of a touch array according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view of the touch array of FIG. 1 taken along line A-A;
  • FIG. 3 is a schematic structural view of the touch array shown in FIG. 1;
  • FIG. 5 is a perspective view of a touch array according to another embodiment of the present invention
  • FIG. 6 is a cross-sectional view of the touch array of FIG. 5 taken along line A-A;
  • FIG. 7 is a schematic view showing the connection end portion of the first direction capacitor conductor group and the first direction induction wire group;
  • FIG. 8 is a schematic structural diagram of a touch sensor according to an embodiment of the present invention. detailed description
  • FIG. 1 to FIG. 3 there is shown a type of embodiment of the present invention, which is mainly related to a touch array 1 capable of simultaneously detecting signals of a finger and an electromagnetic pen.
  • a capacitive coupling touch array for detecting a finger touch signal and an electromagnetic induction array for detecting the electromagnetic pen signal are included.
  • both the capacitively coupled touch array and the electromagnetic induction array for detecting the electromagnetic pen signal are attached to the surface of the same substrate 10; and the capacitively coupled touch array and the electromagnetic induction array are insulated from each other.
  • the aforementioned capacitively coupled touch array is formed by intersecting capacitive conductor sets in two directions.
  • the first direction capacitor conductor group 11 is composed of two or more first-direction capacitor conductors 110 that are parallel and insulated from each other;
  • the second-direction capacitor conductor group 12 is composed of two or more second-direction capacitor conductors that are parallel and insulated from each other. 120 constitutes.
  • the first direction capacitor conductor group 11 and the second direction capacitor conductor group 12 cross each other, and the angle formed between the first direction and the second direction is usually 90°, which is suitable for most Cartesian coordinates.
  • the angle formed by the first-direction capacitive conductor group 11 and the second-direction capacitive conductor group 12 may be set to be greater than 0. °, but less than 90 °.
  • the aforementioned electromagnetic induction array is formed by the intersection of two sets of induction wire groups.
  • the first direction sensing wire group 21 is composed of two or more first direction sensing wires 210 that are parallel and insulated from each other
  • the second direction sensing wire group 22 is composed of two or more second direction sensing wires 220 that are parallel and insulated from each other. Composition.
  • the first direction sensed conductor set 21 and the second direction sensed conductor set 22 of the electromagnetic induction array intersect each other, and the angle formed between the first direction and the second direction is typically also 90. This is for the most need to use Cartesian coordinates to position the pen contacts; sometimes to accommodate some special positioning situations, such as: using polar coordinates to position the pen contacts, the first direction sensing wire set 21
  • the angle formed by the intersection with the second direction sensing wire group 22 is set to be greater than 0° but less than 90°.
  • the first direction capacitive conductor group 11 and the first direction sensing wire group 21 are disposed on the first surface 101 of the substrate 10, and the second direction capacitive conductor group 12 and the second direction sensing wire group are disposed. 22 is disposed on the second surface 102 of the substrate.
  • the advantage of this arrangement is that, under the Cartesian coordinate system, the first direction capacitive conductor set 11 and the first direction sensed conductor set 21 are parallel to each other, and the second direction capacitive conductor set 12 and the second direction sensed conductor set 22 are mutually Parallel, the first direction capacitive conductor group 11 and the first direction sensing wire group 21 can be simultaneously disposed on one surface of the substrate 10, such as the first surface 101, and the second direction capacitive conductor group 12 and the second direction sensing wire. Group 22 is simultaneously disposed on another surface of substrate 10, such as second surface 102.
  • the entire touch array can have only three layers (as shown in Figure 2), which can minimize the thickness of the touch array.
  • Another way is: disposing the first direction capacitive conductor group 11 and the second direction sensing wire group 22 on the first surface 101 of the substrate 10, and setting the second direction capacitive conductor group 12 and the first direction sensing wire group 21 At the second surface 102 of the substrate 10.
  • the advantages of this arrangement are: the leads of the capacitor conductors 110, 120 in the two directions of the capacitively coupled touch array can be distributed on different surfaces of the substrate 10, and the leads of the sensing wires 210 and 220 in the two directions of the electromagnetic induction array can also be Distributed on different surfaces of the substrate 10, the lead crossing can be avoided.
  • the resolutions of the capacitively coupled touch array and the electromagnetic induction array are different. Therefore, the distribution density of the first direction capacitive conductor 110 and the distribution density of the first direction sensing conductor 210 are not the same; similarly, the second The distribution density of the directional capacitance conductor 120 and the distribution density of the second direction induction wire 220 are also different; however, the first direction capacitance conductor 110 and the first direction induction wire 210 may be arranged in parallel with each other, or the second direction capacitance may be The conductor 120 and the second direction sensing wire 220 are disposed in parallel with each other. In this way, even with different resolutions, it is ensured that both the capacitively coupled touch array and the electromagnetic induction array are based on the same coordinate system for touch positioning.
  • the first direction capacitor conductor 110 and the first direction sensing conductor 210 are disposed in parallel with each other, there is usually a certain interval between the adjacent two first direction capacitor conductors 1 10 .
  • the inductive wire is usually a straight wire, it can be accommodated in the aforementioned gap. Therefore, the first direction capacitor conductor 110 and the first direction sensing wire 210 can be simultaneously disposed on the same surface of the substrate 10 by interlacing the first direction capacitor conductor 110 and the first direction sensing wire 210.
  • the second direction capacitive conductor 120 and the second direction sensing wire 220 may be disposed parallel to each other and staggered on the other surface of the substrate 10 in the manner described above. Such an arrangement can make the resolution of the capacitively coupled touch array and the electromagnetic induction array identical.
  • the materials and processing techniques used for the capacitor conductor and the inductive conductor may be different in consideration of different applications; therefore, even the first-direction capacitive conductor group 11 and the first direction inductive lead group 21 are disposed on the substrate.
  • the same surface of 10 also needs to provide an insulating layer 105 between the first direction capacitive conductor group 11 and the first direction sensing wire group 21, as shown in Fig. 4, to ensure that they do not short-circuit each other.
  • the capacitor conductor group 11 and the second direction sensing wire group 22 in the first direction are used for the same reason as described above.
  • An insulating layer should also be provided between them. Such an arrangement obviously increases the thickness of the entire touch array.
  • the substrate 10 may be made of glass, plastic, flexible circuit board, polyethylene or an insulating film; for example, in the case where a flexible touch array is required, a plastic or an insulating film is usually used as the material constituting the substrate 10.
  • a transparent material is generally used as the substrate 10.
  • the thickness of the substrate 10 should normally be made less than or equal to 2 mm.
  • the thickness should be varied according to the material; for example: the thickness of the glass substrate can be set to 0.5-1.5mm, and the flexible circuit board can be set to 0.2. -0.5mm, polyethylene can be set to 1.2-2mm, and high-flexibility and high tensile strength insulating film can be used with a thickness of 0.2mm or less.
  • the material of the first direction capacitor conductor 110 and the second direction capacitor conductor 120 may be metal foil, conductive silver paste, carbon paste, ITO conductive film, nano silver wire. , carbon nanotubes, organic conductive wire, conductive rubber or enameled wire.
  • an ITO conductive film can be used as a material of the first direction capacitor conductor 110 and the second direction capacitor conductor 120;
  • an enameled wire can be used.
  • the present invention also does not limit the combination of the above various materials. The same as the above-mentioned choice of capacitor conductor material, the first direction induction wire
  • the material of the second direction sensing wire 220 may also be a metal foil, a conductive silver paste, a carbon paste, an ITO conductive film, a nano silver wire, a carbon nanotube, an organic conductive wire, a conductive rubber or an enameled wire.
  • the touch array structure in any of the above embodiments is very simple, easy to mass-produce, and can be extended to various touch products.
  • Figures 5 and 6 there is shown another embodiment of the present invention, which also relates primarily to a touch array 1 that can be used to simultaneously detect signals from a finger and an electromagnetic pen.
  • the touch array 1 is not much different from the above-mentioned one type of touch array 1 shown in FIG. 1 and has a substrate 10, a capacitively coupled touch array and an electromagnetic induction array.
  • the capacitively coupled touch array includes: a first direction capacitive conductor set 11 and a second direction capacitive conductor set 12 having a greater than zero between the first direction capacitive conductor set 11 and the second direction capacitive conductor set 12.
  • the first direction capacitor conductor group 11 is composed of two or more first-direction capacitor conductors 110 that are parallel and insulated from each other, and the second-direction capacitor conductor group 12 is composed of two or more parallel and insulated ones.
  • the two-direction capacitor conductor 120 is constructed.
  • the electromagnetic induction array includes: a first direction sensing wire group 21 and a second direction sensing wire group 22, wherein the first direction sensing wire group 21 and the second direction sensing wire group 22 have an angle greater than 0°; wherein The one-direction sensing wire group 21 is composed of two or more first-direction sensing wires 210 that are parallel and insulated from each other, and the second-direction sensing wire group 22 is composed of two or more second-direction sensing wires 220 that are parallel and insulated from each other.
  • the difference from the touch array 1 is that, as shown in FIG. 5 and FIG. 6, the capacitive coupling touch array and the first direction sensing wire group 21 are disposed on the first surface 101 of the substrate 10, and The second direction sensing wire group 22 is separately disposed on the second surface 102 of the substrate 10; conversely, the capacitive coupling touch array and the second direction sensing wire group 22 are disposed on the first surface 101 of the substrate 10, and the first direction The inductive wire set 21 is separately disposed on the second surface 102 of the substrate 10.
  • the two different settings mentioned above are not different in principle. Disposing the first direction sensing wire group 21 and the second direction sensing wire group 22 on different surfaces of the substrate 10, the purpose of which is to make the distance between the first direction sensing wire group 21 and the second direction sensing wire group 22 as much as possible enlarge.
  • the sensing wire groups 21 and 22 inevitably have a certain parasitic capacitance.
  • the presence of parasitic capacitance generally causes a certain filtering effect on the electromagnetic signals in the sensing wires 210 and 220, thereby reducing the sensitivity of the touch array 1 to the electromagnetic pen signal.
  • the capacitance is inversely proportional to the distance between the two plates of the capacitor; and the distance between the first direction induction wire group 21 and the second direction induction wire group 22 is as large as possible, and can be reduced as much as possible.
  • the parasitic capacitance between them minimizes the filtering effect of parasitic capacitance on the electromagnetic signal.
  • 5 and 6 are only illustrative.
  • the second direction conductor group 12 may be disposed under the first direction conductor group 11 or the like on the first surface 101 of the substrate 10, and the present invention is not limited thereto.
  • the first direction capacitor conductor 1 10 and the second direction capacitor conductor 120 in the capacitively coupled touch array preferably use a conductor with a larger line width to increase the touch area in the touch array. That is, the capacitance of the touch point is increased to improve the response sensitivity of the capacitively coupled touch array in the touch array.
  • the shape of the first direction capacitor conductor 110 and the second direction capacitor conductor 120 may be the same or different; for example, it may be a rectangular conductor or a plurality of conductor plates may be connected in series.
  • first direction sensing wire 210 and the second direction sensing wire 220 in the electromagnetic induction array are all straight lines, and the corresponding diameter/line width is much smaller than the width of the first direction capacitor conductor 110 and the second direction capacitor conductor 120.
  • the touch array 1 does not interfere with each other when recognizing signals of the finger and the electromagnetic pen.
  • the sensitivity of the above electromagnetic induction array is greatly improved.
  • the touch array in this embodiment has the function of detecting the electromagnetic pen signal, and can effectively reduce the cost of multiple array superpositions.
  • a further embodiment of the present invention provides a touch sensor comprising the first touch array 1 (shown in FIG. 1) and a connecting end disposed on the outer periphery of the touch array 1.
  • the touch array 1 includes: a substrate 10, a capacitively coupled touch array and an electromagnetic induction array insulated from each other; wherein the first direction capacitive conductor group 11 and the first direction sensing wire group 21 are disposed on the substrate 10
  • the first surface 101, the second direction capacitive conductor set 12 and the second direction sensing lead set 22 are disposed on the second surface 102 of the substrate 10.
  • the first direction capacitive conductor group 11 and the second direction sensing wire group 22 are disposed on the first surface 101 of the substrate 10, and the second direction capacitive conductor group 12 and the first direction sensing wire group 21 are disposed on the second table of the substrate 10. Face 102.
  • connection end of the touch sensor is disposed at any edge of the first surface 101 and/or the second surface 102 of the substrate 10.
  • the connecting conductors on the connecting ends are respectively connected to the respective capacitor conductors 110 and 120 of the capacitive coupling touch array; the connecting wires on the connecting ends respectively respectively connect the sensing wires 210 of the electromagnetic induction array,
  • FIG. 7 schematically shows the connection end portions of the first direction capacitive conductor group 11 and the first direction sensing wire group 21 on the first surface 101 of the substrate 10 (shown by the circle M in FIG. 7).
  • FIG. 7 schematically shows the connection end portions of the first direction capacitive conductor group 11 and the first direction sensing wire group 21 on the first surface 101 of the substrate 10 (shown by the circle M in FIG. 7).
  • the respective connection ends of the first direction capacitive conductor group 11 and the first direction sensing wire group 21 may be located at one side edge of the first surface 101 of the substrate 10.
  • the first direction capacitance The respective connection ends of the conductor set 11 and the first direction induction lead group 21 may also be respectively disposed at opposite side edges of the first surface 101 of the substrate 10, and the present invention does not limit the position of the connection end.
  • the touch sensor of the present invention includes the second touch array 1 (shown in FIG. 5) and includes a connection end disposed on the outer circumference of the touch array 1.
  • the touch array 1 includes: a substrate 10, a capacitively coupled touch array and an electromagnetic induction array.
  • the capacitively coupled touch array and the first direction sensing wire group 21 in the touch array 1 are disposed on the first surface 101 of the substrate 10, and the second direction sensing wire group 22 is separately disposed on the second surface 102 of the substrate 10.
  • the capacitively coupled touch array and the second direction sensing wire set 22 are disposed on the first surface 101 of the substrate 10, and the first direction sensing wire group 21 is separately disposed on the second surface 102 of the substrate 10.
  • connection end portion included in the touch sensor is disposed at any edge of the first surface 101 and/or the second surface 102 of the substrate 10, and the connection conductors on the connection end are respectively connected to the capacitive coupling contact Controlling the capacitor conductors 110, 120 of the array; the connecting wires on the connecting ends respectively - correspondingly connecting the sensing wires 210, 220 of the electromagnetic induction array
  • FIG. 8 shows the connection end of the touch sensor in one embodiment (the circle in FIG. 8).
  • the connection end portions of the first direction capacitance conductor 110 and the first direction induction wire 210 may be disposed at the side edge of the first surface A of the substrate 10
  • the connection end portion of the second direction capacitance conductor 120 may be disposed at The B side edge of the first surface of the substrate 10
  • the connection end of the second direction sensing wire 220 are disposed at the side edge of the second surface B of the substrate 20. Therefore, the connection between the touch array and the connection end portion is convenient, and at the same time, the detection of the finger touch and the electromagnetic pen signal in the touch array does not interfere, so that the reliability of the touch sensor is improved.
  • connection end portion corresponding to the first direction capacitive conductor group 11 and the connection end portion corresponding to the first direction sensing wire group 21 are disposed at the same side edge of the substrate 10, and the second direction capacitive conductor group 12 is corresponding.
  • the connecting end portion corresponding to the second direction sensing wire group 22 is disposed at the edge of the other side of the substrate, which ensures that the touch array in the touch sensor does not interfere with each other when detecting the signal of the finger touch and the electromagnetic pen.
  • the first direction capacitor conductor 10 and the first direction sensing wire 210 may be disposed in parallel or staggered with each other, and the second direction capacitor conductor 120 and the second direction sensing wire 220 may mutually Parallel settings or staggered settings, etc.
  • the first direction capacitor conductor 110, the second direction capacitor conductor 120, the first direction inductive wire 210, and the second direction inductive wire 220 refer to the first embodiment of the touch array. Related description in .
  • the widths of the first direction capacitor conductor 1 10 and the second direction capacitor conductor 120 may be increased to increase the effective touch area when the finger is touched. And effectively improve the response sensitivity of the capacitively coupled touch array in the touch sensor.
  • the diameter/line width of the first direction sensing wire 210 and the second direction sensing wire 220 can be reduced, thereby effectively improving the sensitivity of the electromagnetic induction array in the touch sensor.
  • a further embodiment of the present invention provides a touch display screen, the touch display screen comprising: a display screen and a touch sensor disposed on the display side, the touch sensor being exemplified by the foregoing one embodiment The first type of touch sensor.
  • the touch sensor of the touch display panel includes: a touch array 1 and a connection end disposed on the outer circumference of the touch array 1 .
  • the touch array 1 includes: a substrate 10, which is insulated from each other to form a capacitive coupling a touch array and an electromagnetic induction array; wherein the first direction capacitive conductor group 11 and the first direction sensing wire group 21 are disposed on the first surface 101 of the substrate 10, the second direction capacitive conductor group 12 and the second direction sensing wire group 22 The second surface 102 of the substrate 10 is disposed.
  • first direction capacitive conductor group 11 and the second direction sensing wire group 22 are disposed on the first surface 101 of the substrate 10, and the second direction capacitive conductor group 12 and the first direction sensing wire group 21 are disposed on the second surface of the substrate 10. 102.
  • the connection end of the touch sensor is disposed at any edge of the first surface 101 and/or the second surface 102 of the substrate 10.
  • the touch display screen of the embodiment can detect the signal of the finger touch and the electromagnetic pen at the same time by using the touch sensor, and the touch display can effectively reduce the thickness and have a larger touch display visibility. region.
  • Still another embodiment of the present invention further provides a touch display screen, the touch display screen comprising: a display screen and a touch sensor disposed on the display side, wherein the touch sensor can be in another type of embodiment described above.
  • the touch sensor of the touch display panel includes: a touch array 1 and a connection end disposed on the outer circumference of the touch array 1.
  • the structure of the touch array 1 can be referred to the structure of the touch array shown in FIG. 5. That is, the capacitively coupled touch array and the first direction sensing wire group 21 in the touch array 1 are disposed on the first surface 101 of the substrate 10, and the second direction sensing wire group 22 is separately disposed on the second surface 102 of the substrate 10. Alternatively, the capacitively coupled touch array and the second direction sensing wire group 22 are disposed on the first surface 101 of the substrate 10, and the first direction sensing wire group 21 is separately disposed on the second surface 102 of the substrate 10.
  • the connection end portion included in the touch sensor is disposed at any edge of the first surface 101 and/or the second surface 102 of the substrate 10.
  • the touch display screen in the embodiment can detect the signal of the finger touch and the electromagnetic pen at the same time by using the touch sensor, and effectively avoid the problem of detecting the signal touched by the finger and the signal interference of the electromagnetic pen.
  • the sensitivity of the touch display screen can be improved due to the reduction of the parasitic capacitance in the touch array included in the touch display.
  • the substrate 10 included in the touch display screen of any of the above embodiments may be made of a transparent insulating material.
  • the material of the first direction capacitive conductor 1 10 , the second direction capacitor conductor 120 , the first direction sensing wire 210 , and the second direction sensing wire 220 used in the touch display screen reference may be made to the first type of the touch array. A description of the relevant materials in the examples.
  • the first party can be The width of the capacitor conductor 110 and the second direction capacitor conductor 120 is increased to increase the effective touch area when the finger is touched, thereby improving the response sensitivity of the capacitively coupled touch array in the touch screen display.
  • the diameter/line width of the first direction sensing wire 210 and the second direction sensing wire 220 can be reduced, thereby reducing the parasitic capacitance between the sensing wire groups, thereby improving the response of the electromagnetic induction array in the touch display screen. Sensitivity.
  • connection ends corresponding to the touch arrays of any of the above embodiments may be disposed at one edge of the substrate or at the edges of both sides.
  • the wiring inside the touch display screen can occupy less area, thereby increasing the visible area of the touch display screen.
  • a further embodiment of the present invention provides a touch device including: a touch surface and a touch sensor disposed on a side of the touch surface, wherein the touch sensor can be the first type The touch sensor described in the embodiment.
  • the touch sensor of the touch display panel includes: a touch array 1 and a connection end disposed on the outer circumference of the touch array 1.
  • the structure of the touch array 1 can be referred to the structure of the touch array shown in FIG. That is, the touch array 1 includes: a substrate 10, a capacitively coupled touch array and an electromagnetic induction array insulated from each other; wherein the first direction capacitive conductor group 11 and the first direction sensing wire group 21 are disposed on the first surface 101 of the substrate 10 The second direction capacitive conductor set 12 and the second direction sense lead set 22 are disposed on the second surface 102 of the substrate 10.
  • first direction capacitive conductor group 11 and the second direction sensing wire group 22 are disposed on the first surface 101 of the substrate 10, and the second direction capacitive conductor group 12 and the first direction sensing wire group 21 are disposed on the second surface of the substrate 10. 102.
  • the connection end of the touch sensor is disposed at any edge of the first surface 101 and/or the second surface 102 of the substrate 10.
  • the touch device of the present embodiment can detect the signal of the finger touch and the electromagnetic pen at the same time by using the touch sensor described above; and the touch device can effectively reduce the thickness and has a low cost.
  • Another embodiment of the present invention further provides a touch device including: a touch surface and a touch sensor disposed on a side of the touch surface, which can be touched by another type of embodiment described above. Control the sensor.
  • the touch sensor of the touch display panel includes: a touch array 1 and a connection end disposed on the outer circumference of the touch array 1 .
  • the touch array 1 refer to the touch shown in FIG. 5.
  • the structure of the array that is, the capacitively coupled touch array and the first direction sensing wire group 21 in the touch array 1 are disposed on the first surface 101 of the substrate 10, and the second direction sensing wire group 22 is separately disposed on the second surface 102 of the substrate 10.
  • the capacitively coupled touch array and the second direction sensing wire set 22 are disposed on the first surface 101 of the substrate 10, and the first direction sensing wire group 21 is separately disposed on the second surface 102 of the substrate 10.
  • the connection end included in the touch sensor is disposed at any edge of the first surface 101 and/or the second surface 102 of the substrate 10.
  • the touch device in the embodiment can detect the signal of the finger touch and the electromagnetic pen at the same time by using the touch sensor, and effectively avoid the problem of detecting the signal touched by the finger and the signal interference of the electromagnetic pen, thereby effectively improving the touch.
  • Device sensitivity can be used to detect the signal of the finger touch and the electromagnetic pen at the same time by using the touch sensor, and effectively avoid the problem of detecting the signal touched by the finger and the signal interference of the electromagnetic pen, thereby effectively improving the touch.
  • the material of the substrate of the touch device in any of the embodiments may be a transparent material.
  • the material of the first direction capacitor conductor, the second direction capacitor conductor, the first direction induction wire, and the second direction induction wire may be metal foil, conductive silver paste, carbon paste, ITO conductive film, nano silver wire, carbon nanotube , organic conductive wire, conductive rubber or enameled wire, etc.
  • the widths of the first direction capacitor conductor and the second direction capacitor conductor may be increased to increase the effective touch area when the finger is touched, so as to effectively improve the touch device.
  • Corresponding sensitivity of the capacitively coupled touch array; correspondingly, the diameter of the first direction sensing wire and the second direction sensing wire, that is, the line width, can be reduced, thereby effectively improving the sensitivity of the electromagnetic induction array in the touch device.
  • the touch device in any of the above embodiments may be a keyboard, a mouse, a tablet, a remote controller, an electronic whiteboard, a mobile terminal, or a tablet.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Position Input By Displaying (AREA)

Abstract

La présente invention concerne un réseau tactile, un capteur tactile, un afficheur tactile et un dispositif tactile. Le réseau tactile comprend : un substrat, un réseau tactile à couplage capacitif et un réseau à induction électromagnétique. Le réseau tactile à couplage capacitif et le réseau à induction électromagnétique sont isolés l'un de l'autre. Le réseau tactile à couplage capacitif comprend : un groupe de conducteurs à capacitance de première direction et un groupe de conducteurs à capacitance de seconde direction. Le réseau à induction électromagnétique comprend : un groupe de fils d'induction de première direction et un groupe de fils d'induction de seconde direction. Le groupe de conducteurs à capacitance de première direction et le groupe de fils d'induction de première direction sont agencés sur une première surface du substrat, et le groupe de conducteurs à capacitance de seconde direction et le groupe de fils d'induction de seconde direction sont agencés sur une seconde surface du substrat ; en variante, le groupe de conducteurs à capacitance de première direction et le groupe de fils d'induction de seconde direction sont agencés sur la première surface du substrat, et le groupe de conducteurs à capacitance de seconde direction et le groupe de fils d'induction de première direction sont agencés sur la seconde surface du substrat. Le réseau tactile peut identifier à tout moment les signaux d'un doigt et d'un stylo électromagnétique simultanément.
PCT/CN2011/082520 2011-10-18 2011-11-21 Réseau tactile, capteur tactile, afficheur tactile, et dispositif tactile WO2013056487A1 (fr)

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CN201110316144.4A CN102375612B (zh) 2011-10-18 2011-10-18 触控阵列、触控传感器、触控显示屏及触控设备

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CN109460163B (zh) * 2018-11-02 2022-04-15 业成科技（成都）有限公司 触控模组、其组装结构以及触控屏
CN109521910A (zh) * 2019-01-16 2019-03-26 北京汉王鹏泰科技股份有限公司 双模式触控显示装置及其实现方法
CN109491555A (zh) * 2019-01-16 2019-03-19 北京汉王鹏泰科技股份有限公司 一种双触控感应模组、双触控显示装置及方法
CN109491554A (zh) * 2019-01-16 2019-03-19 陆雪玉 电磁电容双触控线路结构
CN110069166A (zh) * 2019-04-30 2019-07-30 业成科技（成都）有限公司 混合型触控面板
CN110753139B (zh) * 2019-09-25 2021-02-26 维沃移动通信有限公司 一种输入方法、移动终端
CN111651077A (zh) * 2020-01-13 2020-09-11 江西华创触控科技有限公司 一种阵列编码电容触控装置
CN111240523B (zh) * 2020-02-11 2021-10-08 武汉华星光电半导体显示技术有限公司 一种显示装置

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CN102375612B (zh) 2014-07-09
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