WO2023065409A1 - 触控面板和移动终端 - Google Patents

触控面板和移动终端 Download PDF

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Publication number
WO2023065409A1
WO2023065409A1 PCT/CN2021/129221 CN2021129221W WO2023065409A1 WO 2023065409 A1 WO2023065409 A1 WO 2023065409A1 CN 2021129221 W CN2021129221 W CN 2021129221W WO 2023065409 A1 WO2023065409 A1 WO 2023065409A1
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WIPO (PCT)
Prior art keywords
electrode
electrodes
electrode groups
groups
touch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/129221
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English (en)
French (fr)
Inventor
叶剑
梁鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US17/619,266 priority Critical patent/US11880536B2/en
Publication of WO2023065409A1 publication Critical patent/WO2023065409A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • G06F3/04142—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position the force sensing means being located peripherally, e.g. disposed at the corners or at the side of a touch sensing plate
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0447—Position sensing using the local deformation of sensor cells

Definitions

  • the present application relates to the field of display technology, in particular to the field of display panel manufacturing technology, in particular to touch panels and mobile terminals.
  • distance sensors are often used to turn off the screen when answering calls and other operations, so as to achieve the function of reducing power consumption.
  • the existing smart phones mainly set the infrared sensor at the bottom of the screen to perceive the distance between the face and whether to control whether the screen is extinguished;
  • the production difficulty and cost are not conducive to the development of smart phones with distance sensing functions.
  • the embodiments of the present application provide a touch panel and a mobile terminal to solve the existing problem of increasing the difficulty and cost of manufacturing a smart phone due to the need to separately install an infrared sensor under the screen.
  • the embodiment of the present application provides a touch panel, including a touch layer and a functional chip, and the touch layer includes:
  • the plurality of first electrode groups extending along a first direction and arranged along a second direction;
  • Multiple second electrode groups multiple second electrode groups extending along the second direction and arranged along the first direction, multiple first electrode groups, multiple second electrode groups electrically connected to the functional chip;
  • a plurality of third electrode groups, the first electrode group, the second electrode group and the third electrode group are insulated;
  • a plurality of the third electrode groups are connected to each other and electrically connected to the third peripheral wiring so as to be electrically connected to the functional chip, or two of the plurality of third electrode groups are insulated and each The third electrode group is connected to the corresponding first wiring so as to be electrically connected to the functional chip;
  • each of the first electrode groups includes a first trunk electrode group extending along the first direction and a plurality of first branch electrodes connected to both sides of the first trunk electrode group, part or all of the The first dry electrode is provided with a first opening;
  • a plurality of the third electrode groups extend along the first direction and are arranged along the second direction, and each of the third electrode groups includes a plurality of the first electrode groups arranged along the second direction. a plurality of first electrode blocks corresponding to the opening, each of the first electrode blocks is located in the corresponding first opening, and the plurality of first electrode blocks in the same third electrode group are electrically connected;
  • the touch control unit includes a first electrode, a second electrode and a third electrode, and the first electrode is arranged around the second electrode.
  • each of the first electrode groups is electrically connected to the corresponding first peripheral wiring, and each of the second electrode groups is electrically connected to the corresponding second wiring. , so that a plurality of the first electrode groups and a plurality of the second electrode groups realize the first function;
  • each of the second electrode groups is electrically connected to the corresponding second peripheral wiring, so that the plurality of the third electrode groups and the plurality of the first electrode groups realize the second function.
  • the touch layer further includes:
  • a plurality of fourth electrode groups, a plurality of fourth electrode groups extending along the second direction and arranged along the first direction, the first electrode group, the first electrode group, the third electrode group and the fourth electrode group are insulated;
  • each of the second electrode groups includes a second trunk electrode group extending along the second direction and a plurality of second branch electrodes connected to both sides of the second trunk electrode group, part or all of the second The branch electrode is provided with a second opening;
  • each of the fourth electrode groups includes a plurality of second electrode blocks corresponding to the plurality of second openings arranged along the second direction, and each of the second electrode blocks is located in the corresponding first electrode block. Inside the second opening.
  • multiple second electrode blocks in the same fourth electrode group are electrically connected, and each fourth electrode group is electrically connected to a second wiring, so that multiple said The third electrode group and the plurality of fourth electrode groups realize the third function.
  • every adjacent two of the first electrodes in the plurality of touch units are electrically connected to form a corresponding first electrode group, and each of the plurality of touch units Every two adjacent third electrodes are electrically connected to form a corresponding third electrode group, and the two second electrodes in two adjacent touch units are insulated;
  • every adjacent two of the second electrodes in the plurality of touch units are electrically connected to form a corresponding second electrode group, and two adjacent touch units
  • the two first electrodes inside are insulated.
  • the first electrodes include two first trunk electrodes arranged along the first direction, and the second electrodes include two first trunk electrodes extending along the second direction.
  • the trunk electrodes the two first trunk electrodes in the same first electrode are electrically connected through a bridge part insulated from the second trunk electrodes.
  • the touch unit includes four repeating units arranged in a matrix and symmetrical with respect to the center of the touch unit, and the first electrode further includes multiple electrodes connected to both sides of the first trunk electrode. a first branch electrode, and the second electrode further includes a second branch electrode connected to the second trunk electrode;
  • the first branch electrode includes two first sub-stem electrodes that are arranged axially symmetrically and connected to each other, and the symmetry axis of the two first sub-stem electrodes is parallel to the first direction
  • Each of the first sub-branch electrodes is provided with a first opening, each of the first openings is provided with a third electrode, and a plurality of the third electrodes arranged along the first direction are electrically sexually connected to form a third electrode set;
  • the second branch electrodes include two second sub-stem electrodes that are arranged axially symmetrically and connected to each other, and the symmetry axes of the two second sub-stem electrodes are parallel to the second direction .
  • the embodiment of the present application provides a touch panel, including a touch layer and a functional chip, and the touch layer includes:
  • the plurality of first electrode groups extending along a first direction and arranged along a second direction;
  • Multiple second electrode groups multiple second electrode groups extending along the second direction and arranged along the first direction, multiple first electrode groups, multiple second electrode groups electrically connected to the functional chip;
  • a plurality of third electrode groups a plurality of third electrode groups extending along the first direction and arranged along the second direction, the first electrode group, the second electrode group and the third electrode Group insulation settings;
  • a plurality of the third electrode groups are connected to each other and electrically connected to the third peripheral wiring so as to be electrically connected to the functional chip, or two of the plurality of third electrode groups are insulated and each The third electrode group is connected to the corresponding first wiring to be electrically connected to the functional chip.
  • each of the first electrode groups includes a first trunk electrode group extending along the first direction and a plurality of first branch electrodes connected to both sides of the first trunk electrode group, partly Or all of the first dry electrodes are provided with first openings;
  • a plurality of the third electrode groups extend along the first direction and are arranged along the second direction, and each of the third electrode groups includes a plurality of the first electrode groups arranged along the second direction.
  • a plurality of first electrode blocks corresponding to the opening, each of the first electrode blocks is located in the corresponding first opening, and electrically connected to the plurality of first electrode blocks in the third electrode group.
  • each of the first electrode groups is electrically connected to the corresponding first peripheral wiring, and each of the second electrode groups is electrically connected to the corresponding second wiring. , so that a plurality of the first electrode groups and a plurality of the second electrode groups realize the first function;
  • each of the first electrode groups is electrically connected to the corresponding second wiring, so that the plurality of the third electrode groups and the plurality of the second electrode groups are used to realize the second function ;
  • the first function is a touch function
  • the second function is a distance measuring function
  • the touch layer further includes:
  • a plurality of fourth electrode groups, a plurality of fourth electrode groups extending along the second direction and arranged along the first direction, the first electrode group, the first electrode group, the third electrode group and the fourth electrode group are insulated;
  • each of the second electrode groups includes a second trunk electrode group extending along the second direction and a plurality of second branch electrodes connected to both sides of the second trunk electrode group, part or all of the second The branch electrode is provided with a second opening;
  • each of the fourth electrode groups includes a plurality of second electrode blocks corresponding to the plurality of second openings arranged along the second direction, and each of the second electrode blocks is located in the corresponding first electrode block. Inside the second opening.
  • multiple second electrode blocks in the same fourth electrode group are electrically connected, and each fourth electrode group is electrically connected to a second wiring, so that multiple said The third electrode group and the plurality of fourth electrode groups are used to realize the third function.
  • multiple fourth electrode groups are connected to each other or arranged in isolation.
  • a plurality of the first electrode groups and a plurality of the second electrode groups intersect to form a plurality of touch units, and the plurality of touch units are aligned along the first direction and the second direction Arranged, the touch unit includes a first electrode, a second electrode and a third electrode, the first electrode is arranged around the second electrode;
  • every adjacent two of the first electrodes in the plurality of touch units are electrically connected to form a corresponding first electrode group, and each of the plurality of touch units Every two adjacent third electrodes are electrically connected to form a corresponding third electrode group, and the two second electrodes in two adjacent touch units are insulated;
  • every adjacent two of the second electrodes in the plurality of touch units are electrically connected to form a corresponding second electrode group, and each of the plurality of touch units Every two adjacent third electrodes are electrically connected to form a corresponding third electrode group, and the two first electrodes in two adjacent touch units are insulated.
  • the first electrodes include two first trunk electrodes arranged along the first direction, and the second electrodes include two first trunk electrodes extending along the second direction.
  • the trunk electrodes the two first trunk electrodes in the same first electrode are electrically connected through a bridge part insulated from the second trunk electrodes.
  • the touch unit includes four repeating units arranged in a matrix and symmetrical with respect to the center of the touch unit, and the first electrode further includes multiple electrodes connected to both sides of the first trunk electrode. a first branch electrode, and the second electrode further includes a second branch electrode connected to the second trunk electrode;
  • the first branch electrode includes two first sub-stem electrodes that are arranged axially symmetrically and connected to each other, and the symmetry axis of the two first sub-stem electrodes is parallel to the first direction
  • Each of the first sub-branch electrodes is provided with a first opening, each of the first openings is provided with a third electrode, and a plurality of the third electrodes arranged along the first direction are electrically sexually connected to form a third electrode set;
  • the second branch electrodes include two second sub-stem electrodes that are arranged axially symmetrically and connected to each other, and the symmetry axes of the two second sub-stem electrodes are parallel to the second direction .
  • a first bridge is provided in the repeating unit, and a second bridge is provided between two adjacent repeating units;
  • the first bridge spans and is insulated from the connecting portion of the two first sub-branch electrodes arranged symmetrically, and extends along both sides in the first direction to be electrically connected to the same sub-branch electrode.
  • the first electrode group, the second electrode group and the third electrode group are made of metal mesh, the first electrode group, the second electrode group and the third electrode group Two of the electrode groups pass through the fracture of the metal grid to be insulated.
  • the touch panel further includes:
  • a pixel layer the pixel layer is arranged opposite to the touch layer, the pixel layer includes a plurality of sub-pixels, the metal grid includes a plurality of grid units, and each of the sub-pixels is located in the corresponding grid inside the cell.
  • An embodiment of the present application provides a mobile terminal, where the mobile terminal includes a terminal body and the touch panel as described above, and the terminal body and the touch panel are combined into one.
  • the touch panel includes a touch layer and a functional chip
  • the touch layer includes: a plurality of first electrode groups, the plurality of first electrode groups along the first electrode group extending in one direction and arranged along the second direction; multiple second electrode groups, multiple second electrode groups extending along the second direction and arranged along the first direction, multiple first electrode groups, Multiple second electrode groups are electrically connected to the functional chip; multiple third electrode groups, multiple third electrode groups extend along the second direction and are arranged along the first direction, any The first electrode group, any one of the second electrode groups and any one of the third electrode groups are insulated; wherein, a plurality of the third electrode groups are connected to each other and electrically connected to the third peripheral wiring for Electrically connected to the functional chip, or two of the plurality of third electrode groups are insulated, and each of the third electrode groups is connected to a corresponding first wiring to be electrically connected to the functional chip.
  • the plurality of third electrode groups used to realize the corresponding functions in this application are also located on the touch layer, which can avoid separately setting up a structure independent of the touch layer to realize the corresponding functions, reducing the need for touch control.
  • the production difficulty and cost of control panels and mobile terminals are more conducive to the development of smart phones with distance sensing functions.
  • FIG. 1 is a schematic top view of a first embodiment of a touch layer provided in an embodiment of the present application.
  • FIG. 2 is a schematic top view of a second embodiment of the touch layer provided by the embodiment of the present application.
  • FIG. 3 is a schematic top view of a third embodiment of the touch layer provided by the embodiment of the present application.
  • Fig. 4 is a first timing diagram of the first electrode group, the second electrode group and the third electrode group provided by the embodiment of the present application.
  • Fig. 5 is a second timing diagram of the first electrode group, the second electrode group and the third electrode group provided by the embodiment of the present application.
  • Fig. 6 is a third timing diagram of the first electrode group, the second electrode group and the third electrode group provided by the embodiment of the present application.
  • FIG. 7 is a schematic top view of a touch unit in a touch layer provided by an embodiment of the present application.
  • the present application provides a touch panel, and the touch panel includes but is not limited to the following embodiments and combinations of the following embodiments.
  • the touch panel includes a touch layer 100 and a functional chip
  • the touch layer 100 includes: a plurality of first electrode groups 10, a plurality of the first electrode groups An electrode group 10 extending along the first direction 01 and arranged along the second direction 02; a plurality of second electrode groups 20, a plurality of second electrode groups 20 extending along the second direction 02 and along the first direction 01 arrangement, a plurality of first electrode groups 10 and a plurality of second electrode groups 20 are electrically connected to the functional chip; a plurality of third electrode groups 30, the first electrode group 10, the second electrode group The two electrode groups 20 and the third electrode group 30 are insulated; wherein, a plurality of the third electrode groups 30 are connected to each other and electrically connected to the third peripheral wiring 903 so as to be electrically connected to the functional chip, or Two of the plurality of third electrode groups 30 are insulated, and each of the third electrode groups 30 is connected to a corresponding first wire so as to be electrically connected to the functional chip.
  • the first direction 01 may be but not limited to a vertical upward or vertical downward direction
  • the second direction 02 may be but not limited to a horizontal left or a horizontal right direction
  • the first direction One direction 01 is a vertical upward or vertical downward direction
  • the second direction 02 is a horizontal leftward or horizontal rightward direction as an example for illustration, that is, multiple first electrode groups 10 along the vertical direction Extended and arranged in the horizontal direction, the plurality of second electrode groups 20 extend in the horizontal direction and arranged in the vertical direction.
  • the plurality of third electrode groups 30 can be formed by the dummy electrodes in the prior art by setting as above.
  • the touch layer 100 may include n first electrode groups 10 arranged along the second direction 02 and m electrode groups arranged along the first direction 01 .
  • the second electrode group 20 when the first electrode group 10 is the touch sensing electrode Rx, and the second electrode group 20 is the touch transmitter electrode Tx, then in the second direction 02, the second The first electrode group 10 in one column to the first electrode group 10 in the nth column are Rx(1), Rx(2)...Rx(n), in the first direction 01, the first electrode group 10
  • the second electrode group 20 in one row to the second electrode group 20 in the mth row are Tx(1), Tx(2)...Tx(m) in sequence.
  • first electrode group 10 and the second electrode group 20 there is no restriction on the shape of the first electrode group 10 and the second electrode group 20, no matter whether the outer contours of the two are regular or not, the above “extension” and “arrangement” can be understood as The shapes of the outer contours of the first electrode group 10 and the second electrode group 20 are restricted by rectangles with similar dimensions. Of course, whether the first electrode group 10 and the second electrode group 20 are continuous or not , Hollowing is not limited. Specifically, as shown in FIG.
  • the first electrode group 10 may be a solid pattern, and at least one third electrode group 30 may be provided between two adjacent first electrode groups 10, understandably , so that the gap between two adjacent first electrode groups 10 can be fully utilized to avoid adding space to arrange the third electrode group 30; as shown in Figure 2, the first electrode group 10 can also be a hollow pattern , then the third electrode group 30 may also be filled in the hollow area of the first electrode group 10 .
  • multiple third electrode groups 30 are also provided in the touch layer 100 including multiple first electrode groups 10 and multiple second electrode groups 20 , and A plurality of the first electrode groups 10, a plurality of the second electrode groups 20 and a plurality of the third electrode groups 30 are all electrically connected to the functional chip, that is, the functional chip can also be connected to the plurality of On the basis of the signal transmission between the first electrode group 10 and the plurality of second electrode groups 20, signal transmission is also performed with the plurality of third electrode groups 30 to realize other functions and avoid occupying additional space Other chips can be arranged to perform signal transmission with multiple third electrode groups 30 .
  • a plurality of third electrode groups 30 for realizing corresponding functions are also provided on the touch layer 100.
  • the plurality of third electrode groups 30 can be configured as above for the virtual electrodes in the prior art, which can avoid separately setting a structure independent of the touch layer 100 to realize other functions, effectively reducing the difficulty and cost of manufacturing touch panels and mobile terminals , which is more conducive to the development of smart phones with multi-functional sensing functions.
  • each of the first electrode groups 10 includes a first trunk electrode group 101 extending along the first direction 01 and connected to both sides of the first trunk electrode group 101. a plurality of first branch electrodes 102, and part or all of the first branch electrodes 102 are provided with first openings; wherein, a plurality of the third electrode groups 30 extend along the first direction O1 and along the Arranged in the second direction 02, each of the third electrode groups 30 includes a plurality of first electrode blocks 301 corresponding to the plurality of first openings arranged in the first direction 01, each of the first The electrode blocks 301 are located in the corresponding first openings, and are electrically connected to a plurality of the first electrode blocks 301 in the third electrode group 30 .
  • the plurality of second electrode groups 20 and the plurality of third electrode groups 30 are arranged in parallel, the plurality of second electrode groups 20 and the plurality of third electrode groups 30 can be simultaneously layer or different layers; further, since the multiple second electrode groups 20 and the multiple third electrode groups 30 are all intersected with the multiple first electrode groups 10, the multiple first electrode groups 10 are used here Two electrode groups 20 and multiple third electrode groups 30 are arranged on the same layer as an example for illustration, then each of the first electrode groups 10 intersects between the second electrode group 20 and the third electrode group 30 Some of them can be arranged in different layers with any one of the second electrode group 20 and the third electrode group 30, similarly, or the second electrode group 20 and the third electrode group 30 intersect with the Parts of the first electrode group 10 may be arranged in different layers from the first electrode group 10 . Specifically, for the shape and size of the third electrode group 30 here, reference may also be made to the above relevant descriptions about the shape and size of the first electrode group 10 .
  • the opening of the first opening in at least one of the first stem electrodes 102 in this embodiment can reduce the projected area of the plurality of first electrode groups 10 on the cathode layer, that is, reduce the area of the projection of the plurality of first electrode groups 10 .
  • the facing area of an electrode group 10 and the cathode layer reduces the parasitic capacitance between the plurality of first electrode groups 10 and the cathode layer, thereby reducing the RC Loading of the plurality of first electrode groups 10 and alleviating
  • a plurality of first branch electrodes 102 connected to both sides of the first trunk electrode group 101 are provided. Impedance of an electrode group 10 , thereby reducing RC Loading of multiple first electrode groups 10 .
  • the first opening in this embodiment is set in the first branch electrode 102, which can avoid setting the opening in the first main electrode group 101 to increase the density of the first electrode group 10 too much. Impedance, that is, this embodiment can minimize the impedance of the first electrode group 10 while alleviating the electrical signal attenuation on the multiple first electrode groups 10, and further reduce the multiple first electrode groups 10. RC Loading of electrode group 10.
  • the first electrode block 301 is provided in at least one of the first openings, so as to avoid the optical difference between the area where the first opening is located and other areas in the touch layer 100. Larger, it can reduce the difference of film layer structure in different regions inside the first electrode group 10, so as to improve the uniformity of light output from different regions for sub-pixels.
  • the setting of the corresponding first electrode block 301 in the first opening in this embodiment fully utilizes the The space in the first opening avoids extra space reserved between two adjacent first electrode groups 10 to place the first electrode block 301, which can save the space of the touch layer 100 to further set more
  • the first electrode group 10 is used to improve touch resolution.
  • two adjacent first electrode blocks 301 may be electrically connected through a bridge 302 .
  • each of the first electrode groups 10 is electrically connected to the corresponding first peripheral wiring 901
  • each of the The second electrode group 20 is electrically connected to the corresponding second wiring, so that a plurality of the first electrode groups 10 and a plurality of the second electrode groups 20 realize the first function
  • each of the second electrode groups 20 is electrically connected to the corresponding second peripheral wiring 902 , so that the plurality of the third electrode groups 30 and the plurality of the second electrode groups 20 realize the second function.
  • each of the first electrode groups 10 may also be electrically connected to the corresponding second wiring, so that multiple third electrode groups 30 and multiple first electrode groups 10 realize the second function .
  • the plurality of first electrode groups 10 or the plurality of second electrode groups 20 in this embodiment can realize the first function and the second function respectively in different stages.
  • the first function may be, but not limited to, a touch function
  • the second function may be, but not limited to, a ranging function.
  • the full text only refers to the first function as a touch function, and the second function as a measurement Take the distance function as an example. Wherein, it should be noted that, in this application, there is no limitation on the specific arrangement of the touch structure formed by the first electrode group 10 and the second electrode group 20 .
  • the first electrode group 10 is used as a touch sensing electrode
  • the second electrode group 20 is used as a touch emitting electrode to form a mutual capacitance.
  • the touch structure of the formula is described as an example: as the touch sensing electrodes, the end of each of the first electrode groups 10 can be electrically connected to the sensing signal tube in the functional chip through the corresponding first peripheral wiring 901 pins to send sensing signals to the functional chip; the end of each of the second electrode groups 20 as touch emitting electrodes can be electrically connected to the driving signal in the functional chip through the corresponding second peripheral wiring 902
  • the pins are used to receive and send touch signals to the touch layer 100 .
  • the touch signal applied to the second electrode group 20 may be a square wave signal with a voltage of 0 to 5V and a frequency of 100Khz to 200Khz, which is applied to the first electrode group 10
  • the working signal can be a constant voltage signal with a voltage of 0 to 5V
  • the signal applied to each third electrode group 30 can be a ground signal to maintain the third electrode group 30 in an inactive state.
  • the functions and connection relationships of the plurality of first electrode groups 10 and the plurality of second electrode groups 20 can be interchanged at the same time.
  • the first electrode group 10 and the second electrode group 20 are used as touch sensing electrodes to form a self-capacitive touch structure.
  • the end of each second electrode group 20 as a touch emitting electrode can be electrically connected to the driving signal pin in the functional chip through the corresponding second peripheral wiring 902 to receive and transmit
  • the touch layer 100 sends a touch signal
  • the end of each first electrode group 10 of the touch emission electrode can be electrically connected to the driving signal tube in the functional chip through the corresponding first peripheral wiring 901
  • the pins are used to receive and send touch signals to the touch layer 100 ; the end of each third electrode group 30 can be grounded to maintain a non-working state.
  • the touch signal applied to the first electrode group 10 and the second electrode group 20 may be a square wave signal with a voltage of 0 to 5V and a frequency of 100Khz to 200Khz.
  • the signal in each of the third electrode sets 30 may be a ground signal to maintain the inactive state of the third electrode sets 30 .
  • the first electrode group 10 and the second electrode group 20 are used as touch sensing electrodes to A self-capacitive touch structure is formed.
  • the first electrode group 10 is used as a touch sensing electrode
  • the second electrode group 20 is used as a touch emitter electrode to form a mutual capacitive touch control.
  • the structure is explained as an example: Specifically, for the specific settings in the first sub-time period t11, please refer to the relevant descriptions about Figure 4 above, and for the specific settings in the second sub-time period t12, please refer to the relevant descriptions about Figure 5 above .
  • the distance measuring function can be understood as measuring the distance between the touch panel and an external object when the touch panel is close to an external object for non-touch operation, so that the touch panel can judge whether to perform information screen operation.
  • the distance between the touch panel and external objects will affect the capacitance and the amount of charge between the two conductors inside the touch panel, that is, in this embodiment, by indirectly measuring a plurality of the third The capacitance between the electrode group 30 and the plurality of first electrode groups 10, or indirectly measuring the capacitance between the plurality of third electrode groups 30 and the plurality of second electrode groups 20 can calculate the contact The distance between the control panel and external objects.
  • the function chip includes a first function chip for realizing the first function
  • the second functional chip for realizing the second function is taken as an example for description.
  • the third electrode group 30 can form an electrode opposite to the plurality of second electrode groups 20, and in the second time period t2, the plurality of second electrode groups 20 in this embodiment can pass through the corresponding Under the control of the switching module, the plurality of second peripheral wires 902 are electrically connected to the ranging driving pins in the second functional chip in order to send a plurality of ranging driving signals to the touch layer 100 as follows: For example, in combination with the above discussion, when each second electrode group 20 sends a distance measurement drive signal to the touch layer 100, the next second electrode group 20 sends a distance measurement drive signal to the touch layer 100.
  • the plurality of electrically connected third electrode groups 30 are electrically connected to the ranging sensing pins in the second functional chip through the third peripheral wiring 903 to generate corresponding The ranging sensing signal is sent to the second function chip.
  • the third peripheral wiring 903 may be connected to at least one of the two ends of the plurality of third electrode groups 30 .
  • the ranging driving signal applied to the second electrode group 20 can be a square wave signal with a voltage of 0 to 5V and a frequency of 100Khz to 200Khz, which is applied to the second electrode group 20.
  • the working signal of the three electrode groups 30 can be a constant voltage signal with a voltage of 0 to 5V, and the signal applied to each of the first electrode groups 10 can be a ground signal to maintain the first electrode group 10 in an inactive state.
  • multiple second electrode groups 20 and the multiple third electrode groups 30 can be interchanged at the same time, that is, in the direction of the multiple third electrode groups 30 that are electrically connected
  • multiple second electrode groups 20 can simultaneously or sequentially send distance measurement sensing pins in the second functional chip through the second peripheral wiring 902 to and sending the generated multiple ranging sensing signals to the second functional chip.
  • multiple third electrode groups 30 and multiple first electrode groups 10 may also be used to realize the second function.
  • the plurality of third electrode groups 30 can form multiple capacitors with the multiple first electrode groups 10 .
  • the plurality of first electrode groups 10 can be sequentially electrically connected to the first electrode group 10 through the first peripheral wiring 901 under the control of the switching module.
  • the range-finding drive pin in the two-function chip is described by taking sending a plurality of range-finding drive signals to the touch layer 100 as an example.
  • the plurality of third electrode groups 30 that are insulated two by two can sequentially generate corresponding ranging sensing signals sent to the second function chip.
  • the functions and connection relationships of the plurality of first electrode groups 10 and the plurality of third electrode groups 30 can be interchanged at the same time.
  • multiple third electrode groups 30 and multiple second electrode groups 20 may also be used to realize the second function.
  • the touch layer 100 further includes: a plurality of fourth electrode groups 40, the plurality of fourth electrode groups 40 extending along the second direction O2 and along the Arranged in the first direction 01, the first electrode group 10, the second electrode group, the third electrode group and the fourth electrode group are insulated; wherein, each of the second electrode groups 20 includes The second main electrode group 201 extending in the second direction 02 and a plurality of second branch electrodes 202 connected to both sides of the second main electrode group 201, part or all of the second branch electrodes 202 are provided with the first Two openings; wherein, each of the fourth electrode groups 40 includes a plurality of second electrode blocks 401 corresponding to the plurality of second openings arranged along the second direction O2, and each of the second electrode blocks 401 is located in the corresponding second opening.
  • the first opening is opened in at least one of the first branch electrodes 102
  • a plurality of first branch electrodes 102 connected to both sides of the first trunk electrode group 101 and “the first electrode block 301 is provided in at least one of the first openings” can be known, in this embodiment, by opening the second opening in at least one of the second branch electrodes 202 1.
  • the attenuation of the electrical signal on the second electrode group 20 reduces the impedance and RC Loading of the second electrode group 20 and improves the uniformity of light output from different regions of the touch layer 100 to sub-pixels.
  • the first branch electrodes 102 can be arranged in a pattern to complicate the shape and path of the first electrode group 10 and increase the periphery of the first branch electrodes 102 path, considering that the second dry electrode 202 and the first dry electrode 102 are arranged on the same layer, this is beneficial to increase the facing area of the second dry electrode 202 and the first dry electrode 102, and further increases
  • the parasitic capacitance between the second dry electrode 202 and the first dry electrode 102 also effectively increases the capacitance change of the parasitic capacitance between the second dry electrode 202 and the first dry electrode 102 quantity.
  • multiple second electrode blocks 401 in the same fourth electrode group 40 are electrically connected (not shown), and each fourth electrode group 40 is electrically connected to the second wiring, so that the multiple third electrode groups 30 and the multiple fourth electrode groups 40 can realize the third function.
  • the third function may be understood as the second function mentioned above, that is, it only needs to be different from the first function.
  • multiple third electrode groups 30 can be electrically connected to the second functional chip any one of the ranging driving pins and ranging sensing pins to transmit corresponding ranging driving signals or ranging sensing signals, correspondingly, a plurality of the fourth electrode groups 40 can be electrically connected to the first
  • the other one of the ranging driving pin and the ranging sensing pin in the two-function chip transmits the ranging driving signal or the ranging sensing signal correspondingly, thereby realizing the ranging function.
  • the setting of the corresponding second electrode block 401 in the second opening in this embodiment fully utilizes the space, avoiding additional reserved space for placing the second electrode block 401, and can realize the ranging function while saving the space of the touch layer 100;
  • the third electrode group 30 and the plurality of fourth electrode groups 40 are used to realize the ranging function, which can avoid signal interference or delay caused by the multiplexing of the electrode groups, and further improve the performance of the touch function and the ranging function. reliability.
  • the plurality of third electrode groups 30 are connected to each other or arranged in isolation
  • the plurality of fourth electrode groups 40 are connected to each other or arranged in isolation.
  • one of the plurality of third electrode groups 30 and the plurality of fourth electrode groups 40 is electrically connected and the other is insulated two by two, reference can be made to the above-mentioned multi-electrode groups.
  • the third electrode group 30 is connected to each other, and the multiple third electrode groups 30 and the multiple first electrode groups 10 are used to realize the second function; or when the multiple first electrode groups 10 are used to realize the second function;
  • two of the three electrode groups 30 are insulated and two of the fourth electrode groups 40 are insulated, you can refer to the above about the insulated arrangement of the third electrode groups 30 in two, and Multiple third electrode groups 30 and multiple first electrode groups 10 are used to realize the related description of the second function; or as shown in Figure 3, when multiple third electrode groups 30 are connected to each other , and when multiple fourth electrode groups 40 are connected to each other (not shown), the multiple fourth electrode groups 40 connected to each other can be electrically connected to the second
  • the ranging driving pins in the functional chip are used to send multiple ranging driving signals to the touch layer 100, and the plurality of interconnected third electrode groups 30 are electrically connected to the
  • the ranging sensing pin in the second function chip is used to send the generated corresponding ranging sensing signal to the second function chip.
  • a plurality of the first electrode groups 10 and a plurality of the second electrode groups 20 intersect to form a plurality of touch units 50, and a plurality of the touch units 50 arranged along the first direction 01 and the second direction 02
  • the touch unit 50 includes a first electrode 501, a second electrode 502 and a third electrode 503, the first electrode 501 surrounds the second electrodes 502; in the first direction 01, every adjacent two of the first electrodes 501 in the plurality of touch units 50 are electrically connected to form a corresponding first electrode group 10, Every adjacent two of the third electrodes 503 in the plurality of touch units 50 are electrically connected to form a corresponding third electrode group 30 , and two adjacent electrodes in two adjacent touch units 50
  • the second electrodes 502 are insulated; in the second direction 02, every adjacent two of the second electrodes 502 in the plurality of touch units 50 are electrically connected to form a corresponding second electrode
  • the group 20 is insulated from the two first electrodes in the adjacent
  • the first direction 01 is a vertical upward or vertical downward direction
  • the second direction is a horizontal leftward or horizontal rightward direction as an example for illustration, that is, multiple touch units 50 may be arranged in a matrix both vertically and horizontally.
  • the plurality of first electrode groups 10 and the plurality of second electrode groups 20 are configured to be composed of a plurality of touch units 50 arranged in a matrix, that is, each of the The touch unit 50 can be used as a touch recognition unit, and the touch layer 100 can include a plurality of touch recognition units arranged in an array.
  • the second electrodes 502 in each touch unit 50 are arranged around the first electrodes 501, that is, the outer edges of the first electrodes 501 are covered by the edges of the second electrodes 502. surrounded by the outer edge, effectively increasing the facing area of the second electrode 502 and the first electrode 501, thus increasing the parasitic capacitance between the second electrode 502 and the first electrode 501, and at the same time, It also effectively increases the capacitance variation of the parasitic capacitance between the second electrode 502 and the first electrode 501 .
  • the third electrode 503 can be understood as but not limited to the above-mentioned first electrode block 301 , and here, the third electrode 503 is the above-mentioned first electrode block 301 as an example for illustration.
  • the two second electrodes 502 located in two adjacent touch units 50 are separated by an interval to insulate them.
  • the two first electrodes 501 in two adjacent touch units 50 are electrically connected by being connected to each other, and the two third electrodes 503 in two adjacent touch units 50 are connected by corresponding
  • the bridging bridge 302 is electrically connected; in the second direction 02, the two second electrodes 502 located in two adjacent touch units 50 are electrically connected by connecting to each other.
  • the two first electrodes 501 in one touch unit 50 are electrically insulated by at least one second electrode 502, and the two third electrodes 503 in two adjacent touch units 50 are electrically insulated.
  • the at least one second electrode 502 is electrically insulated, and the two third electrodes 503 in the same touch unit 50 are electrically insulated by the corresponding first electrodes 501 .
  • the first electrode 501 includes two first main electrodes 5011 arranged along the first direction 01 , and the first electrode 501
  • the second electrode 502 includes a second trunk electrode 5021 extending along the second direction O2, and the two first trunk electrodes 5011 in the same first electrode 501 pass through the bridge portion 5012 insulated from the second trunk electrode 5021 electrical connection.
  • the second main electrode 5021 and the two first main electrodes 5011 located on both sides of the second main electrode 5021 can be arranged on the same layer, and the bridging part 5012 and the first main electrode 5012 can be arranged on the same layer.
  • An insulating material may be provided between the two main electrodes 5021 for insulation, and the number and shape of the bridging portions 5012 connected between the two first main electrodes 5011 are not limited here.
  • the touch unit 50 includes four repeating units 60 arranged in a matrix and symmetrical with respect to the center of the touch unit 50 , and the first electrode 501 includes A plurality of first branch electrodes 102 on both sides of the first trunk electrode 5011, the second electrode 502 also includes a second branch electrode 202 connected to the second trunk electrode 5021; in each repeating unit In 60, the first branch electrode 102 includes two first sub-stem electrodes 1021 arranged axially symmetrically and connected to each other.
  • the symmetry axes of the two first sub-stem electrodes 1021 are parallel to the first direction O1, and each A first sub-branch electrode 1021 is provided with a first opening, each of the first openings is provided with a third electrode 503, and a plurality of third electrodes arranged along the first direction O1 503 are electrically connected to form a third electrode group 30; in each of the repeating units 60, the second branch electrodes 202 include two second sub-stem electrodes 2021 arranged axially symmetrically and connected to each other , the axis of symmetry of the two second sub-branch electrodes 2021 is parallel to the second direction O2. Specifically, as shown in FIG.
  • the first sub-branch electrodes 1021 in the repeating unit 60 may be triangular in shape, and the two vertices of the two first sub-branch electrodes 1021 may be arranged opposite to each other and extend toward each other to connected to form two first sub-branch electrodes 1021 that are axisymmetric;
  • the second sub-branch electrodes 2021 in the repeating unit 60 may include a triangle and a connecting line segment connected to the bottom of the triangle, the The connecting line segment is parallel to the first direction 01, the two vertices of the two second sub-branch electrodes 2021 can be arranged facing each other and disconnected, and the two connecting line segments can be arranged facing each other and extending toward each other to connect, so as to form an axial
  • the two second sub-branch electrodes 2021 are symmetrical.
  • the shapes and sizes of the first dry electrode 102 and the second dry electrode 202 may be the same or different.
  • the shape of the first opening opened in the first sub-branch electrode 1021 may be consistent with the shape of the outer contour of the first sub-branch electrode 1021, and the shape of the first opening located in the second sub-branch electrode
  • the shape of the second opening in 2021 may be consistent with the shape of the outer contour of the second sub-branch electrode 2021, so as to maximize the size of the first opening and the second opening.
  • the edge of the first sub-branch electrode 1021 and the corresponding edge of the opposite fourth electrode 504 may be jagged, and the two are complementary and embedded.
  • the edge of the electrode 2021 and the corresponding edge of the opposite third electrode 503 may be folded lines, and the two are complementary and embedded, wherein the maximum dimension of the zigzag edge in the convex direction may not be less than one sub-pixel to avoid occlusion of the corresponding sub-pixels.
  • the bridge 302 in the first direction 01, includes a first bridge 3021 located in the repeating unit 60 and a first bridge 3021 located between two adjacent repeating units 60 .
  • the second bridge 3022 wherein, the first bridge 3021 spans and is insulated from the connecting part of the two first sub-branch electrodes 1021 arranged symmetrically, and along both sides in the first direction O1 Extending to be electrically connected to the two third electrodes 503 in the same repeating unit 60, the second bridge 3022 spans and is insulated from the corresponding second main electrode 5021, so as to be electrically connected to the Two adjacent third electrodes 503 in two adjacent repeating units 60 .
  • the second bypass bridge 3022 also spans and is insulated from the corresponding second sub-branch electrode 2021 located at the edge of the touch layer 100 , To electrically connect the corresponding plurality of third electrodes 503 to the third peripheral traces 903 .
  • the first electrode group 10, the second electrode group 20 and the third electrode group 30 are made of metal mesh, the first electrode group 10, the second electrode group 20 Two by two of the third electrode group 30 pass through the fracture of the metal grid to be insulated.
  • the composition materials and unit structures of the first electrode group 10, the second electrode group 20 and the third electrode group 30 may be the same by using the metal grid. According to the above analysis, it can be seen that such The difference of the three film layer structures can be further reduced, so as to maintain the uniformity of light output from the sub-pixels in different regions of the touch layer 100 .
  • the fractures are formed on the edge of the metal grid, and the distance between any two adjacent fractures is sufficient to insulate the three.
  • the fourth electrode group 40 may also be composed of the metal grid, for details, reference may be made to the relevant description about the metal grid above.
  • the metal grid may include a metal structure and a plurality of hollow areas surrounded by the metal structure.
  • the metal structure may include a closed metal frame and a metal frame connected between two metal frames.
  • metal connection wires, and the metal connection wires electrically connect the two corresponding metal frames.
  • the projection of the metal structure on the cathode layer may be, but not limited to, an ellipse, a circle or a rectangular frame.
  • the side of the metal frame located at the edge of the metal grid can form a boundary seal of the metal grid, of course, the metal connection line or the incomplete all of the metal grid located at the edge An incomplete seal of the metal frame may also form the boundary seal.
  • the touch panel further includes: a pixel layer, the pixel layer is arranged opposite to the touch layer 100, the pixel layer includes a plurality of sub-pixels, and the metal grid includes a plurality of grids unit, each of the sub-pixels is located inside the corresponding grid unit.
  • the interior of the grid unit can be understood as the corresponding hollow area, that is, each hollow area can be set opposite to a sub-pixel, and the edge of the sub-pixel does not exceed
  • the corresponding hollow area enables the metal grid to avoid blocking any of the sub-pixels, thereby avoiding reducing the light output of the touch panel.
  • the present application also provides a mobile terminal, the mobile terminal includes a terminal body and the touch panel as described above, and the terminal body and the touch panel are combined into one.
  • the mobile terminal may be, but not limited to, a display device such as a mobile phone, a computer, or a watch.
  • the touch panel includes a touch layer and a functional chip
  • the touch layer includes: a plurality of first electrode groups, the plurality of first electrode groups along the first electrode group extending in one direction and arranged along the second direction; multiple second electrode groups, multiple second electrode groups extending along the second direction and arranged along the first direction, multiple first electrode groups, Multiple second electrode groups are electrically connected to the functional chip; multiple third electrode groups, multiple third electrode groups extend along the second direction and are arranged along the first direction, any The first electrode group, any one of the second electrode groups and any one of the third electrode groups are insulated; wherein, a plurality of the third electrode groups are connected to each other and electrically connected to the third peripheral wiring for Electrically connected to the functional chip, or two of the plurality of third electrode groups are insulated, and each of the third electrode groups is connected to a corresponding first wiring to be electrically connected to the functional chip.
  • the plurality of third electrode groups used to realize the corresponding functions in this application are also located on the touch layer, which can avoid separately setting up a structure independent of the touch layer to realize the corresponding functions, reducing the need for touch control.
  • the production difficulty and cost of control panels and mobile terminals are more conducive to the development of smart phones with distance sensing functions.

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Abstract

本申请公开了触控面板和移动终端；触控面板的触控层包括多条第三电极组、平行排布的多条第一电极组、平行排布且相交于多条第一电极组的多条第二电极组，三者绝缘设置，多条第一电极组、多条第二电极组和多条第三电极组电性连接至功能芯片，多条第三电极组相互连接且电性连接至第三外围走线，或者两两绝缘设置。

Description

触控面板和移动终端 技术领域
本申请涉及显示技术领域，尤其涉及显示面板制造技术领域，具体涉及触控面板和移动终端。
 背景技术
在智能手机的使用中，常设有距离传感器以在接听电话等操作时息屏，以实现降低功耗的功能。
然而，现有的智能手机主要是通过在屏幕下方设置红外感应器以感知与人脸之间的距离，以控制屏幕是否熄灭；这样，由于需要在屏幕下方单独设置红外感应器，增加了智能手机的制作难度和成本，不利于具有距离感应功能的智能手机的发展。
综上所述，有必要提供可以降低智能手机的制作难度和成本的触控面板和移动终端。
 技术问题
本申请实施例提供触控面板和移动终端，以解决现有的需要在屏幕下方单独设置红外感应器，造成的智能手机的制作难度和成本增加的问题。
 技术解决方案
本申请实施例提供触控面板，包括触控层和功能芯片，所述触控层包括：
多条第一电极组，多条所述第一电极组沿第一方向延伸以及沿第二方向排列；
多条第二电极组，多条所述第二电极组沿所述第二方向延伸以及沿所述第一方向排列，多条所述第一电极组、多条所述第二电极组电性连接至所述功能芯片；
多条第三电极组，所述第一电极组、所述第二电极组和所述第三电极组绝缘设置；
其中，多条所述第三电极组相互连接且电性连接至第三外围走线以电性连接至所述功能芯片，或者多条所述第三电极组中两两绝缘设置且每一所述第三电极组连接至对应的第一走线以电性连接至所述功能芯片；
其中，每一所述第一电极组包括沿所述第一方向延伸的第一主干电极组和连接于所述第一主干电极组两侧的多个第一支干电极，部分或者全部所述第一支干电极内设有第一开口；
其中，多条所述第三电极组沿所述第一方向延伸以及沿所述第二方向排列，每一所述第三电极组包括与沿所述第二方向排列的多个所述第一开口对应的多个第一电极块，每一所述第一电极块位于对应的所述第一开口内，同一所述第三电极组中的多个所述第一电极块电性连接；
其中，多条所述第一电极组和多条所述第二电极组相交形成多个触控单元，多个所述触控单元沿所述第一方向和所述第二方向排列，所述触控单元包括第一电极、第二电极和第三电极，所述第一电极围绕所述第二电极而设置。
在一实施例中，在第一时间段，每一所述第一电极组电性连接至对应的第一外围走线，每一所述第二电极组电性连接至对应的第二走线，以使多条所述第一电极组和多条所述第二电极组实现第一功能；
在第二时间段，每一所述第二电极组电性连接至对应的第二外围走线，以使多条所述第三电极组和多条所述第一电极组实现第二功能。
在一实施例中，所述触控层还包括：
多条第四电极组，多条所述第四电极组沿所述第二方向延伸以及沿所述第一方向排列，所述第一电极组、所述第一电极组、所述第三电极组和所述第四电极组绝缘设置；
其中，每一所述第二电极组包括沿所述第二方向延伸的第二主干电极组和连接于第二主干电极组两侧的多个第二支干电极，部分或者全部所述第二支干电极内设有第二开口；
其中，每一所述第四电极组包括与沿所述第二方向排列的多个所述第二开口对应的多个第二电极块，每一所述第二电极块位于对应的所述第二开口内。
在一实施例中，同一所述第四电极组中的多个所述第二电极块电性连接，每一所述第四电极组电性连接至第二走线，以使多条所述第三电极组和多条所述第四电极组实现第三功能。
在一实施例中：
在所述第一方向上，多个所述触控单元内的每相邻两所述第一电极电性连接以形成对应的一所述第一电极组，多个所述触控单元内的每相邻两所述第三电极电性连接以形成对应的一所述第三电极组，相邻两个所述触控单元内的两所述第二电极绝缘设置；
在所述第二方向上，多个所述触控单元内的每相邻两所述第二电极电性连接以形成对应的一所述第二电极组，相邻两个所述触控单元内的两所述第一电极绝缘设置。
在一实施例中，在所述触控单元中，所述第一电极包括沿所述第一方向排列的两第一主干电极，所述第二电极包括沿所述第二方向延伸的第二主干电极，同一所述第一电极中的两所述第一主干电极通过绝缘于所述第二主干电极的桥接部电性连接。
在一实施例中，所述触控单元包括呈矩阵排列且关于所述触控单元的中心对称的四个重复单元，所述第一电极还包括连接于所述第一主干电极两侧的多个第一支干电极，所述第二电极还包括连接于所述第二主干电极的第二支干电极；
在每一所述重复单元中，所述第一支干电极包括呈轴对称设置且相连设置的两第一子支干电极，两第一子支干电极的对称轴平行于所述第一方向，每一所述第一子支干电极内设有第一开口，每一所述第一开口内设有一所述第三电极，沿所述第一方向排列的多个所述第三电极电性连接以形成一所述第三电极组；
在每一所述重复单元中，所述第二支干电极包括呈轴对称设置且相连设置的两第二子支干电极，两第二子支干电极的对称轴平行于所述第二方向。
本申请实施例提供触控面板，包括触控层和功能芯片，所述触控层包括：
多条第一电极组，多条所述第一电极组沿第一方向延伸以及沿第二方向排列；
多条第二电极组，多条所述第二电极组沿所述第二方向延伸以及沿所述第一方向排列，多条所述第一电极组、多条所述第二电极组电性连接至所述功能芯片；
多条第三电极组，多条所述第三电极组沿所述第一方向延伸以及沿所述第二方向排列，所述第一电极组、所述第二电极组和所述第三电极组绝缘设置；
其中，多条所述第三电极组相互连接且电性连接至第三外围走线以电性连接至所述功能芯片，或者多条所述第三电极组中两两绝缘设置且每一所述第三电极组连接至对应的第一走线以电性连接至所述功能芯片。
在一实施例中，每一所述第一电极组包括沿所述第一方向延伸的第一主干电极组和连接于所述第一主干电极组两侧的多个第一支干电极，部分或者全部所述第一支干电极内设有第一开口；
其中，多条所述第三电极组沿所述第一方向延伸以及沿所述第二方向排列，每一所述第三电极组包括与沿所述第二方向排列的多个所述第一开口对应的多个第一电极块，每一所述第一电极块位于对应的所述第一开口内，同一所述第三电极组中的多个所述第一电极块电性连接。
在一实施例中，在第一时间段，每一所述第一电极组电性连接至对应的第一外围走线，每一所述第二电极组电性连接至对应的第二走线，以使多条所述第一电极组和多条所述第二电极组实现第一功能；
在第二时间段，每一所述第一电极组电性连接至对应的第二走线，以使多条所述第三电极组和多条所述第二电极组用于实现第二功能；
其中，所述第一功能为触控功能，所述第二功能为测距功能。
在一实施例中，所述触控层还包括：
多条第四电极组，多条所述第四电极组沿所述第二方向延伸以及沿所述第一方向排列，所述第一电极组、所述第一电极组、所述第三电极组和所述第四电极组绝缘设置；
其中，每一所述第二电极组包括沿所述第二方向延伸的第二主干电极组和连接于第二主干电极组两侧的多个第二支干电极，部分或者全部所述第二支干电极内设有第二开口；
其中，每一所述第四电极组包括与沿所述第二方向排列的多个所述第二开口对应的多个第二电极块，每一所述第二电极块位于对应的所述第二开口内。
在一实施例中，同一所述第四电极组中的多个所述第二电极块电性连接，每一所述第四电极组电性连接至第二走线，以使多条所述第三电极组和多条所述第四电极组用于实现所述第三功能。
在一实施例中，多条所述第四电极组相互连接或者两两绝缘设置。
在一实施例中，多条所述第一电极组和多条所述第二电极组相交形成多个触控单元，多个所述触控单元沿所述第一方向和所述第二方向排列，所述触控单元包括第一电极、第二电极和第三电极，所述第一电极围绕所述第二电极而设置；
在所述第一方向上，多个所述触控单元内的每相邻两所述第一电极电性连接以形成对应的一所述第一电极组，多个所述触控单元内的每相邻两所述第三电极电性连接以形成对应的一所述第三电极组，相邻两个所述触控单元内的两所述第二电极绝缘设置；
在所述第二方向上，多个所述触控单元内的每相邻两所述第二电极电性连接以形成对应的一所述第二电极组，多个所述触控单元内的每相邻两所述第三电极电性连接以形成对应的一所述第三电极组，相邻两个所述触控单元内的两所述第一电极绝缘设置。
在一实施例中，在所述触控单元中，所述第一电极包括沿所述第一方向排列的两第一主干电极，所述第二电极包括沿所述第二方向延伸的第二主干电极，同一所述第一电极中的两所述第一主干电极通过绝缘于所述第二主干电极的桥接部电性连接。
在一实施例中，所述触控单元包括呈矩阵排列且关于所述触控单元的中心对称的四个重复单元，所述第一电极还包括连接于所述第一主干电极两侧的多个第一支干电极，所述第二电极还包括连接于所述第二主干电极的第二支干电极；
在每一所述重复单元中，所述第一支干电极包括呈轴对称设置且相连设置的两第一子支干电极，两第一子支干电极的对称轴平行于所述第一方向，每一所述第一子支干电极内设有第一开口，每一所述第一开口内设有一所述第三电极，沿所述第一方向排列的多个所述第三电极电性连接以形成一所述第三电极组；
在每一所述重复单元中，所述第二支干电极包括呈轴对称设置且相连设置的两第二子支干电极，两第二子支干电极的对称轴平行于所述第二方向。
在一实施例中，在所述第一方向上，所述重复单元内设有第一搭桥，相邻两所述重复单元之间设有第二搭桥；
其中，所述第一搭桥横跨且绝缘于呈轴对称设置的两所述第一子支干电极的相连部分，以及在所述第一方向上沿两侧延伸至以电性连接于同一所述重复单元中的两所述第三电极，所述第二搭桥横跨且绝缘于对应的所述第二主干电极，以电性连接于包含于相邻两所述重复单元中相邻的两所述第三电极。
在一实施例中，所述第一电极组、所述第二电极组和所述第三电极组由金属网格构成，所述第一电极组、所述第二电极组和所述第三电极组中两两通过所述金属网格的断口以绝缘设置。
在一实施例中，所述触控面板还包括：
像素层，所述像素层和所述触控层相对设置，所述像素层包括多个子像素，所述金属网格包括多个网格单元，每一所述子像素在位于对应的所述网格单元内部。
本申请实施例提供移动终端，所述移动终端包括终端主体和如上文任一所述的触控面板，所述终端主体和所述触控面板组合为一体。
 有益效果
本申请实施例提供的触控面板和移动终端，所述触控面板包括触控层和功能芯片，所述触控层包括：多条第一电极组，多条所述第一电极组沿第一方向延伸以及沿第二方向排列；多条第二电极组，多条所述第二电极组沿所述第二方向延伸以及沿所述第一方向排列，多条所述第一电极组、多条所述第二电极组电性连接至所述功能芯片；多条第三电极组，多条所述第三电极组沿所述第二方向延伸以及沿所述第一方向排列，任一所述第一电极组、任一所述第二电极组和任一所述第三电极组绝缘设置；其中，多条所述第三电极组相互连接且电性连接至第三外围走线以电性连接至所述功能芯片，或者多条所述第三电极组中两两绝缘设置且每一所述第三电极组连接至对应的第一走线以电性连接至所述功能芯片。相较于现有技术，本申请中用于实现相应的功能的多条第三电极组也位于触控层，即可以避免单独设置独立于触控层的结构以实现相应的功能，降低了触控面板和移动终端的制作难度和成本，更有利于具有距离感应功能的智能手机的发展。
 附图说明
下面结合附图，通过对本申请的具体实施方式详细描述，将使本申请的技术方案及其它有益效果显而易见。
图1为本申请实施例提供的触控层的第一种实施例的俯视示意图。
图2为本申请实施例提供的触控层的第二种实施例的俯视示意图。
图3为本申请实施例提供的触控层的第三种实施例的俯视示意图。
图4为本申请实施例提供的第一电极组、第二电极组和第三电极组的第一种时序图。
图5为本申请实施例提供的第一电极组、第二电极组和第三电极组的第二种时序图。
图6为本申请实施例提供的第一电极组、第二电极组和第三电极组的第三种时序图。
图7为本申请实施例提供的触控层中的触控单元的俯视示意图。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、连续地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请的描述中，术语“第一”、“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定，“电性连接”表示两者之间是导通的，不限制于是直接连接或者间接连接。另外，还需要说明的是，附图提供的仅仅是和本申请关系比较密切的结构，省略了一些与申请关系不大的细节，目的在于简化附图，使申请点一目了然，而不是表明实际中装置就是和附图一模一样，不作为实际中装置的限制。
本申请提供触控面板，所述触控面板包括但不限于以下实施例以及以下实施例的组合。
在一实施例中，如图1和图2所示，所述触控面板包括触控层100和功能芯片，所述触控层100包括：多条第一电极组10，多条所述第一电极组10沿第一方向01延伸以及沿第二方向02排列；多条第二电极组20，多条所述第二电极组20沿所述第二方向02延伸以及沿所述第一方向01排列，多条所述第一电极组10、多条所述第二电极组20电性连接至所述功能芯片；多条第三电极组30，所述第一电极组10、所述第二电极组20和所述第三电极组30绝缘设置；其中，多条所述第三电极组30相互连接且电性连接至第三外围走线903以电性连接至所述功能芯片，或者多条所述第三电极组30中两两绝缘设置且每一所述第三电极组30连接至对应的第一走线以电性连接至所述功能芯片。
其中，所述第一方向01可以为但不限于竖直向上或者竖直向下的方向，所述第二方向02可以为但不限于水平向左或者水平向右的方向，此处以所述第一方向01为竖直向上或者竖直向下的方向，所述第二方向02为水平向左或者水平向右的方向为例进行说明，即多条所述第一电极组10沿竖直方向延伸以及沿水平方向排列，多条所述第二电极组20沿水平方向延伸以及沿竖直方向排列。其中，相邻的两所述第一电极组10之间、相邻的两所述第二电极组20之间可以具有间隔以绝缘设置。需要注意的是，此处对多条所述第三电极组30的排布位置和方式不作限制，只要本实施例中存在符合上文要求的多条所述第三电极组30即可，具体的，多条所述第三电极组30可以为现有技术中的虚拟电极进行如上设置而成。
具体的，如图1和图2所示，所述触控层100可以包括沿所述第二方向02排列的n条所述第一电极组10、沿所述第一方向01排列的m条所述第二电极组20，当所述第一电极组10为触控感应电极Rx，所述第二电极组20为触控发射电极时Tx时，则在所述第二方向02上，第一列的所述第一电极组10至第n列的所述第一电极组10依次为Rx(1)、Rx(2)……Rx(n)，在所述第一方向01上，第一行的所述第二电极组20至第m行的所述第二电极组20依次为Tx(1)、Tx(2)……Tx(m)。
其中，此处对所述第一电极组10、所述第二电极组20的形状不做限制，无论两者的外轮廓是否规则，上文中的“延伸”和“排列”可以理解为对所述第一电极组10、所述第二电极组20的外轮廓的形状、尺寸相近的矩形进行的限制，当然，此处对所述第一电极组10、所述第二电极组20是否连续、镂空也不做限制。具体的，如图1所示，所述第一电极组10可以为实心图案，则相邻两所述第一电极组10之间可以设有至少一所述第三电极组30，可以理解的，这样可以充分利用相邻两所述第一电极组10之间的间隙以避免新增空间以设置第三电极组30；如图2所示，所述第一电极组10也可以为镂空图案，则所述第三电极组30也可以填充于所述第一电极组10的镂空区域中。
可以理解的，本实施例将多条所述第三电极组30也设于包含多条所述第一电极组10和多条所述第二电极组20的所述触控层100中，并且多条所述第一电极组10、多条所述第二电极组20和多条所述第三电极组30均电性连接至所述功能芯片，即所述功能芯片也可以在和多条所述第一电极组10、多条所述第二电极组20进行信号传输的基础上，也和多条所述第三电极组30进行信号传输以实现其它的功能，避免占用的额外的空间以设置其它的芯片以和多条所述第三电极组30进行信号传输。相较于现有技术，本实施例中将用于实现对应的功能的多条第三电极组30也设于所述触控层100，结合上文论述，多条所述第三电极组30可以为现有技术中的虚拟电极进行如上设置而成，即可以避免单独设置独立于所述触控层100的结构以实现其它的功能，有效降低了触控面板和移动终端的制作难度和成本，更有利于具有多功能感应功能的智能手机的发展。
在一实施例中，如图2所示，每一所述第一电极组10包括沿所述第一方向01延伸的第一主干电极组101和连接于所述第一主干电极组101两侧的多个第一支干电极102，部分或者全部所述第一支干电极102内设有第一开口；其中，多条所述第三电极组30沿所述第一方向01延伸以及沿所述第二方向02排列，每一所述第三电极组30包括与沿所述第一方向01排列的多个所述第一开口对应的多个第一电极块301，每一所述第一电极块301位于对应的所述第一开口内，同一所述第三电极组30中的多个所述第一电极块301电性连接。
需要注意的是，由于多条所述第二电极组20和多条所述第三电极组30平行排列，故多条所述第二电极组20和多条所述第三电极组30可以同层或者异层设置；进一步的，由于多条所述第二电极组20和多条所述第三电极组30均和多条所述第一电极组10交叉设置，此处以多条所述第二电极组20和多条所述第三电极组30同层设置为例进行说明，则每一所述第一电极组10相交于所述第二电极组20、所述第三电极组30的部分可以与所述第二电极组20、所述第三电极组30中的任一者异层设置，同理，或者所述第二电极组20、所述第三电极组30相交于所述第一电极组10的部分可以与所述第一电极组10异层设置。具体的，此处对于所述第三电极组30的形状、尺寸也可以参考上文关于所述第一电极组10的形状、尺寸的相关描述。
一方面，本实施例至少一所述第一支干电极102内开设所述第一开口可以减少多条所述第一电极组10在阴极层上投影的面积，即减少了多条所述第一电极组10与阴极层的正对面积，减小了多条所述第一电极组10和阴极层之间的寄生电容，从而减小多条所述第一电极组10的RC Loading，缓解了多条所述第一电极组10上的电信号衰减，根据上文分析可知，多个所述第一开口的总面积越大，对于多条所述第一电极组10上的电信号衰减越明显。
另一方面，本实施例中设置连接于所述第一主干电极组101两侧的多个第一支干电极102，相对于只设置所述第一主干电极组101，可以减小所述第一电极组10的阻抗，从而减小多条所述第一电极组10的RC Loading。进一步的，本实施例中的所述第一开口设于所述第一支干电极102内，可以避免在所述第一主干电极组101设置开口以过大地增加所述第一电极组10的阻抗，即本实施例在缓解多条所述第一电极组10上的电信号衰减的同时，可以最小程度地增加所述第一电极组10的阻抗，再进一步减小多条所述第一电极组10的RC Loading。
再一方面，本实施例在至少一所述第一开口内设有所述第一电极块301，以避免所述触控层100中所述第一开口所在区域和其它区域的光学差异性较大，可以降低所述第一电极组10中内部不同区域膜层结构的差异性，以提高不同区域对于子像素出光的均匀性。
可以理解的，本实施例在实现所述有益效果的同时，由于开设了所述第一开口，因此本实施例中在所述第一开口内设置对应的第一电极块301充分地利用了所述第一开口内的空间，避免额外在相邻两所述第一电极组10之间预留空间以放置第一电极块301，可以节省所述触控层100的空间以进一步设置更多的所述第一电极组10以提高触控分辨率。具体的，相邻两所述第一电极块301之间可以通过搭桥302电性连接。
在一实施例中，结合图3、图4至图6所示，在第一时间段t1，每一所述第一电极组10电性连接至对应的第一外围走线901，每一所述第二电极组20电性连接至对应的第二走线，以使多条所述第一电极组10和多条所述第二电极组20实现第一功能；在第二时间段t2，每一所述第二电极组20电性连接至对应的第二外围走线902，以使多条所述第三电极组30和多条所述第二电极组20实现第二功能。
需要注意的是，由于全文未对所述第一电极组10的功能和所述第二电极组20的功能做出限制，即可以认为两者传输的信号可以替换，因此，在第二时间段t2，也可以为每一所述第一电极组10电性连接至对应的第二走线，以使多条所述第三电极组30和多条所述第一电极组10实现第二功能。根据上文论述，本实施例中的多条所述第一电极组10或者多条所述第二电极组20可以在不同的阶段分别实现第一功能和第二功能。其中，所述第一功能可以为但不限于触控功能，所述第二功能可以为但不限于测距功能，全文仅以所述第一功能为触控功能，所述第二功能为测距功能为例进行说明。其中，需要注意的是，本申请中对于所述第一电极组10和所述第二电极组20构成的触控结构的具体设置方式不作限制。
具体的，结合图3和图4所示，在第一时间段t1，此处以所述第一电极组10作为触控感应电极、所述第二电极组20作为触控发射电极以构成互容式的触控结构为例进行说明：作为触控感应电极的每一所述第一电极组10的末端可以通过对应的第一外围走线901电性连接至所述功能芯片中的感应信号管脚以向所述能芯片发送感应信号；作为触控发射电极的每一所述第二电极组20的末端可以通过对应的第二外围走线902电性连接至所述功能芯片中的驱动信号管脚以接收并向所述触控层100发送触控信号。其中，如图4所示，加载于所述第二电极组20的所述触控信号可以为电压为0至5V、频率为100Khz至200Khz的方波信号，加载于所述第一电极组10的工作信号可以为电压为0至5V的恒定电压信号，加载于每一所述第三电极组30的信号可以为接地信号以维持所述第三电极组30不工作的状态。当然，此处多条所述第一电极组10和多条所述第二电极组20的功能和连接关系可以同时互换。
具体的，结合图3和图5所示，在第一时间段t1，此处以所述第一电极组10和所述第二电极组20作为触控感应电极以构成自容式的触控结构为例进行说明：作为触控发射电极的每一所述第二电极组20的末端可以通过对应的第二外围走线902电性连接至所述功能芯片中的驱动信号管脚以接收并向所述触控层100发送触控信号；触控发射电极的每一所述第一电极组10的末端可以通过对应的第一外围走线901电性连接至所述功能芯片中的驱动信号管脚以接收并向所述触控层100发送触控信号；每一所述第三电极组30的末端可以接地维持不工作的状态。其中，如图5所示，加载于所述第一电极组10和所述第二电极组20的所述触控信号可以为电压为0至5V、频率为100Khz至200Khz的方波信号，加载于每一所述第三电极组30的信号可以为接地信号以维持所述第三电极组30不工作的状态。
具体的，结合图3和图6所示，在第一时间段t1，此处以在第一子时间段t11，所述第一电极组10和所述第二电极组20作为触控感应电极以构成自容式的触控结构，在第二子时间段t12，所述第一电极组10作为触控感应电极、所述第二电极组20作为触控发射电极以构成互容式的触控结构为例进行说明：具体的，第一子时间段t11内的具体设置可以参考上文关于图4的相关描述，第二子时间段t12内的具体设置可以参考上文关于图5的相关描述。
其中，所述测距功能可以理解为所述触控面板靠近外界物体以进行非触摸操作时，测量所述触控面板与外界物体之间的距离，以便于所述触控面板判断是否进行息屏操作。具体的，由于所述触控面板与外界物体之间的距离的大小会影响所述触控面板内部两导体之间的电容和电荷量，即本实施例中通过间接测量多条所述第三电极组30和多条所述第一电极组10之间的电容、或者间接测量多条所述第三电极组30和多条所述第二电极组20之间的电容可以计算出所述触控面板与外界物体之间的距离。具体的，此处以多条所述第三电极组30和多条所述第一电极组10用于实现测距功能，以及所述功能芯片包括用于实现所述第一功能的第一功能芯片和用于实现所述第二功能的第二功能芯片为例进行说明。
当多条所述第三电极组30相互连接且电性连接至第三外围走线903以电性连接至所述功能芯片时，结合图3、图4至图6所示，此处以多条所述第三电极组30可以形成与多条所述第二电极组20相对设置的一电极，在第二时间段t2，本实施例中的多条所述第二电极组20可以通过对应的多条所述第二外围走线902在切换模块的控制下依次电性连接至所述第二功能芯片中的测距驱动管脚以向所述触控层100发送多个测距驱动信号为例进行说明，结合上文论述，在每一所述第二电极组20向所述触控层100发送测距驱动信号至下一所述第二电极组20向所述触控层100发送测距驱动信号期间，电性连接的多条所述第三电极组30通过所述第三外围走线903电性连接至所述第二功能芯片中的测距感应管脚以将产生的对应的测距感应信号发送至所述第二功能芯片。其中，所述第三外围走线903可以连接于多条所述第三电极组30的两端中的至少一端。其中，如图4至图6所示，加载于所述第二电极组20的所述测距驱动信号可以为电压为0至5V、频率为100Khz至200Khz的方波信号，加载于所述第三电极组30的工作信号可以为电压为0至5V的恒定电压信号，加载于每一所述第一电极组10的信号可以为接地信号以维持所述第一电极组10不工作的状态。
同理，此处多条所述第二电极组20和多条所述第三电极组30的功能和连接关系可以同时互换，即在电性连接的多条所述第三电极组30向所述触控层100发送测距驱动信号后，多条所述第二电极组20可以通过所述第二外围走线902同时或者依次向所述第二功能芯片中的测距感应管脚以将产生的多个测距感应信号发送至所述第二功能芯片。当然，也可以采用多条所述第三电极组30和多条所述第一电极组10实现所述第二功能。
当多条所述第三电极组30中两两绝缘设置且每一所述第三电极组30连接至对应的第一走线以电性连接至所述功能芯片时，即多条所述第三电极组30可以与多条所述第一电极组10形成多个电容。参考上文论述，在实现所述第二功能的阶段，此处以多条所述第一电极组10可以通过所述第一外围走线901在切换模块的控制下依次电性连接至所述第二功能芯片中的测距驱动管脚以向所述触控层100发送多个测距驱动信号为例进行说明，在每一所述第一电极组10向所述触控层100发送测距驱动信号至下一所述第一电极组10向所述触控层100发送测距驱动信号期间，两两绝缘的多条所述第三电极组30可以依次将产生的对应的测距感应信号发送至所述第二功能芯片。同理，此处多条所述第一电极组10和多条所述第三电极组30的功能和连接关系可以同时互换。当然，也可以采用多条所述第三电极组30和多条所述第二电极组20实现所述第二功能。
在一实施例中，如图2所示，所述触控层100还包括：多条第四电极组40，多条所述第四电极组40沿所述第二方向02延伸以及沿所述第一方向01排列，所述第一电极组10、所述第二电极组、所述第三电极组和所述第四电极组绝缘设置；其中，每一所述第二电极组20包括沿所述第二方向02延伸的第二主干电极组201和连接于第二主干电极组201两侧的多个第二支干电极202，部分或者全部所述第二支干电极202内设有第二开口；其中，每一所述第四电极组40包括与沿所述第二方向02排列的多个所述第二开口对应的多个第二电极块401，每一所述第二电极块401位于对应的所述第二开口内。
可以理解的，结合上文中关于“至少一所述第一支干电极102内开设所述第一开口”、“连接于所述第一主干电极组101两侧的多个第一支干电极102”以及“在至少一所述第一开口内设有所述第一电极块301”的相关描述可知，本实施例中通过在至少一所述第二支干电极202内开设所述第二开口、设置连接于所述第二主干电极组201两侧的多个第二支干电极202以及在至少一所述第二开口内设有所述第二电极块401，同理，进一步缓解了多条所述第二电极组20上的电信号衰减，减小了所述第二电极组20的阻抗和RC Loading以及提高所述触控层100中不同区域对于子像素出光的均匀性。
进一步的，如图2所示，所述第一支干电极102可以呈图案化设置，以复杂化所述第一电极组10的形状和路径，增加了所述第一支干电极102的外围路径，考虑到所述第二支干电极202和第一支干电极102同层设置，这样有利于增加所述第二支干电极202和第一支干电极102的正对面积，进一步增加了所述第二支干电极202和第一支干电极102之间的寄生电容，同时，也有效增加了所述第二支干电极202和第一支干电极102之间的寄生电容的电容变化量。
在一实施例中，如图2所示，同一所述第四电极组40中的多个所述第二电极块401电性连接（未示意），每一所述第四电极组40电性连接至第二走线，以使多条所述第三电极组30和多条所述第四电极组40实现第三功能。其中，所述第三功能可以理解为上文提及的第二功能，即不同于所述第一功能即可。具体的，无论在触控阶段（即第一时间段t1）或者测距阶段（即第二时间段t2），多条所述第三电极组30可以电性连接至所述第二功能芯片中的测距驱动管脚、测距感应管脚中的任一者以对应传输测距驱动信号或者测距感应信号，相应的，多条所述第四电极组40可以电性连接至所述第二功能芯片中的测距驱动管脚、测距感应管脚中的另一者以对应传输测距驱动信号或者测距感应信号，从而实现测距功能。
可以理解的，一方面，本实施例中由于开设了所述第二开口，因此本实施例中在所述第二开口内设置对应的第二电极块401充分地利用了所述第二开口内的空间，避免额外预留空间以放置第二电极块401，可以在节省所述触控层100的空间的同时实现测距功能；另一方面，本实施例中采取不参与触控功能的多条所述第三电极组30和多条所述第四电极组40用于实现测距功能，可以避免电极组的复用造成的信号干扰或者延迟，进一步提高了触控功能和测距功能的可靠性。
具体的，多条所述第三电极组30相互连接或者两两绝缘设置，多条所述第四电极组40相互连接或者两两绝缘设置。具体的，当多条所述第三电极组30和多条所述第四电极组40两者中，其中一者电性连接且另一者中两两绝缘设置时，可以参考上文中关于多条所述第三电极组30相互连接，且多条所述第三电极组30和多条所述第一电极组10用于实现所述第二功能的相关描述；或者当多条所述第三电极组30中两两绝缘设置、且多条所述第四电极组40两者中两两绝缘设置时，可以参考上文中关于多条所述第三电极组30中两两绝缘设置，且多条所述第三电极组30和多条所述第一电极组10用于实现所述第二功能的相关描述；或者如图3所示，当多条所述第三电极组30相互连接、且多条所述第四电极组40相互连接（未示意）时，相互连接的多条所述第四电极组40可以通过第四外围走线（未示意）电性连接至所述第二功能芯片中的测距驱动管脚以向所述触控层100发送多个测距驱动信号，相互连接的多条所述第三电极组30通过所述第三外围走线903电性连接至所述第二功能芯片中的测距感应管脚以将产生的对应的测距感应信号发送至所述第二功能芯片。
在一实施例中，如图2和图3所示，多条所述第一电极组10和多条所述第二电极组20相交形成多个触控单元50，多个所述触控单元50沿所述第一方向01和所述第二方向02排列，所述触控单元50包括第一电极501、第二电极502和第三电极503，所述第一电极501围绕所述第二电极502而设置；在所述第一方向01上，多个所述触控单元50内的每相邻两所述第一电极501电性连接以形成对应的一所述第一电极组10，多个所述触控单元50内的每相邻两所述第三电极503电性连接以形成对应的一所述第三电极组30，相邻两个所述触控单元50内的两所述第二电极502绝缘设置；在所述第二方向02上，多个所述触控单元50内的每相邻两所述第二电极502电性连接以形成对应的一所述第二电极组20，相邻两个所述触控单元50内的两所述第一电极绝缘设置。
其中，此处以所述第一方向01为竖直向上或者竖直向下的方向，所述第二方向为水平向左或者水平向右的方向为例进行说明，即多个所述触控单元50可以在竖直方向和水平方向排列为矩阵。可以理解的，本实施例中将多条所述第一电极组10和多条所述第二电极组20设置为由呈矩阵排列的多个所述触控单元50构成，即每一所述触控单元50可以作为一触控识别单位，所述触控层100可以包括呈阵列排布的多个所述触控识别单位。结合上文论述可知，每一所述触控单元50中的所述第二电极502围绕所述第一电极501而设置，即所述第一电极501的外边缘被所述第二电极502的外边缘包围，有效增加了所述第二电极502和所述第一电极501的正对面积，以此增加了所述第二电极502和所述第一电极501之间的寄生电容，同时，也有效增加了所述第二电极502和所述第一电极501之间的寄生电容的电容变化量。
其中，所述第三电极503可以理解为但不限于上文所述的第一电极块301，此处以所述第三电极503为上文所述的第一电极块301为例进行说明。具体的，结合图2和图7所示，在所述第一方向01上，位于相邻两个所述触控单元50内的两所述第二电极502之间通过间隔设置以绝缘，位于相邻两个所述触控单元50内的两所述第一电极501通过相连设置以电性连接，位于相邻两个所述触控单元50内的两所述第三电极503通过对应的所述搭桥302以电性连接；在所述第二方向02上，位于相邻两个所述触控单元50内的两所述第二电极502通过相连设置以电性连接，位于相邻两个所述触控单元50内的两所述第一电极501通过至少一所述第二电极502以电性绝缘，位于相邻两个所述触控单元50内的两所述第三电极503通过至少一所述第二电极502以电性绝缘，同一所述触控单元50内的两所述第三电极503通过对应的所述第一电极501以电性绝缘。
在一实施例中，结合图2和图7所示，在所述触控单元50中，所述第一电极501包括沿所述第一方向01排列的两第一主干电极5011，所述第二电极502包括沿所述第二方向02延伸的第二主干电极5021，同一所述第一电极501中的两所述第一主干电极5011通过绝缘于所述第二主干电极5021的桥接部5012电性连接。具体的，如图7所示，所述第二主干电极5021、位于所述第二主干电极5021两侧的两所述第一主干电极5011可以同层设置，所述桥接部5012和所述第二主干电极5021之间可以设置绝缘材料以绝缘，此处对连接于两所述第一主干电极5011之间的所述桥接部5012的数目和形状不做限制。
在一实施例中，如图7所示，所述触控单元50包括呈矩阵排列且关于所述触控单元50的中心对称的四个重复单元60，所述第一电极501包括连接于所述第一主干电极5011两侧的多个第一支干电极102，所述第二电极502还包括连接于所述第二主干电极5021的第二支干电极202；在每一所述重复单元60中，所述第一支干电极102包括呈轴对称设置且相连设置的两第一子支干电极1021，两第一子支干电极1021的对称轴平行于所述第一方向01，每一所述第一子支干电极1021内设有第一开口，每一所述第一开口内设有一所述第三电极503，沿所述第一方向01排列的多个所述第三电极503电性连接以形成一所述第三电极组30；在每一所述重复单元60中，所述第二支干电极202包括呈轴对称设置且相连设置的两第二子支干电极2021，两第二子支干电极2021的对称轴平行于所述第二方向02。具体的，如图7所示，所述重复单元60中的所述第一子支干电极1021可以呈三角形，两所述第一子支干电极1021的两顶点可以相对设置以及向彼此延伸以连接，从而形成呈轴对称的两所述第一子支干电极1021；所述重复单元60中的所述第二子支干电极2021可以包括三角形以及连接于三角形底边的连接线段，所述连接线段平行于所述第一方向01，两所述第二子支干电极2021两顶点可以相对且断开设置、以及两所述连接线段可以相对设置以及向彼此延伸以连接，从而形成呈轴对称的两所述第二子支干电极2021。
当然，所述第一支干电极102和所述第二支干电极202形状、尺寸两者的至少一者可以相同或者不同。进一步的，开设于所述第一子支干电极1021内的所述第一开口的形状可以与所述第一子支干电极1021的外轮廓的形状一致，位于所述第二子支干电极2021内的所述第二开口的形状可以与所述第二子支干电极2021的外轮廓的形状一致，以使得所述第一开口和所述第二开口的尺寸最大化。进一步的，所述第一子支干电极1021的边缘和相对设置的所述第四电极504中对应的边缘可以呈锯齿状，且两者互补嵌入设置，同理，所述第二子支干电极2021的边缘和相对设置的所述第三电极503中对应的边缘可以呈折线，且两者互补嵌入设置，其中，呈锯齿状的边缘在凸起方向上的最大尺寸可以不小于一个子像素的尺寸，以避免遮挡对应的子像素。
在一实施例中，如图7所示，在所述第一方向01上，所述搭桥302包括位于所述重复单元60内的第一搭桥3021和位于相邻两所述重复单元60之间的第二搭桥3022；其中，所述第一搭桥3021横跨且绝缘于呈轴对称设置的两所述第一子支干电极1021的相连部分，以及在所述第一方向01上沿两侧延伸至以电性连接于同一所述重复单元60中的两所述第三电极503，所述第二搭桥3022横跨且绝缘于对应的所述第二主干电极5021，以电性连接于包含于相邻两所述重复单元60中相邻的两所述第三电极503。具体的，此处对位于所述重复单元60内的所述第一搭桥3021的数目和形状、位于相邻两所述重复单元60之间的第二搭桥3022的数目和形状均不做限制。需要注意的是，结合图2、图3和图7所示，所述第二搭桥3022还横跨且绝缘于位于所述触控层100边缘的对应的所述第二子支干电极2021，以将对应的多个所述第三电极503电性连接至所述第三外围走线903。
在一实施例中，所述第一电极组10、所述第二电极组20和所述第三电极组30由金属网格构成，所述第一电极组10、所述第二电极组20和所述第三电极组30中两两通过所述金属网格的断口以绝缘设置。可以理解的，采用所述金属网格形成所述第一电极组10、所述第二电极组20和所述第三电极组30的组成材料和单位结构可以相同，根据上文分析可知，这样可以进一步降低三者膜层结构的差异性，以维持所述触控层100不同区域中的子像素出光的均匀性。具体的，所述断口形成于所述金属网格的边缘，任一相邻两个所述断口之间的距离足以绝缘三者即可。同理，所述第四电极组40也可以由所述由金属网格构成，具体可以参考上文关于金属网格的相关描述。
具体的，所述金属网格可以包括金属结构以及由所述金属结构围绕形成的多个镂空区域，进一步的，所述金属结构可以包括封闭状的金属框以及连接于两所述金属框之间的金属连接线，所述金属连接线将对应的两所述金属框电性连接。其中，所述金属结构在阴极层上的投影可以为但不限于椭圆圈、圆圈或者矩形框。进一步的，位于所述金属网格的边缘的所述金属框的侧边可以形成所述金属网格的边界封口，当然，位于所述金属网格的边缘的所述金属连接线或者残缺的所述金属框的残缺封口也可以形成所述边界封口。
在一实施例中，所述触控面板还包括：像素层，所述像素层和所述触控层100相对设置，所述像素层包括多个子像素，所述金属网格包括多个网格单元，每一所述子像素在位于对应的所述网格单元内部。具体的，结合上文论述，所述网格单元内部可以理解为对应的所述镂空区域，即每一所述镂空区域可以和一所述子像素相对设置，且所述子像素的边缘不超出对应的镂空区域，使得所述金属网格可以避免遮挡任一所述子像素，从而避免减少所述触控面板的出光量。
本申请还提供移动终端，所述移动终端包括终端主体和如上文任一所述的触控面板，所述终端主体和所述触控面板组合为一体。其中，所述移动终端可以为但不限于手机、电脑、手表等显示器件。
本申请实施例提供的触控面板和移动终端，所述触控面板包括触控层和功能芯片，所述触控层包括：多条第一电极组，多条所述第一电极组沿第一方向延伸以及沿第二方向排列；多条第二电极组，多条所述第二电极组沿所述第二方向延伸以及沿所述第一方向排列，多条所述第一电极组、多条所述第二电极组电性连接至所述功能芯片；多条第三电极组，多条所述第三电极组沿所述第二方向延伸以及沿所述第一方向排列，任一所述第一电极组、任一所述第二电极组和任一所述第三电极组绝缘设置；其中，多条所述第三电极组相互连接且电性连接至第三外围走线以电性连接至所述功能芯片，或者多条所述第三电极组中两两绝缘设置且每一所述第三电极组连接至对应的第一走线以电性连接至所述功能芯片。相较于现有技术，本申请中用于实现相应的功能的多条第三电极组也位于触控层，即可以避免单独设置独立于触控层的结构以实现相应的功能，降低了触控面板和移动终端的制作难度和成本，更有利于具有距离感应功能的智能手机的发展。
以上对本申请实施例所提供的触控面板和移动终端进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。

Claims (20)

  1. 一种触控面板，其中，包括触控层和功能芯片，所述触控层包括：
    多条第一电极组，多条所述第一电极组沿第一方向延伸以及沿第二方向排列；
    多条第二电极组，多条所述第二电极组沿所述第二方向延伸以及沿所述第一方向排列，多条所述第一电极组、多条所述第二电极组电性连接至所述功能芯片；
    多条第三电极组，所述第一电极组、所述第二电极组和所述第三电极组绝缘设置；
    其中，多条所述第三电极组相互连接且电性连接至第三外围走线以电性连接至所述功能芯片，或者多条所述第三电极组中两两绝缘设置且每一所述第三电极组连接至对应的第一走线以电性连接至所述功能芯片；
    其中，每一所述第一电极组包括沿所述第一方向延伸的第一主干电极组和连接于所述第一主干电极组两侧的多个第一支干电极，部分或者全部所述第一支干电极内设有第一开口；
    其中，多条所述第三电极组沿所述第一方向延伸以及沿所述第二方向排列，每一所述第三电极组包括与沿所述第二方向排列的多个所述第一开口对应的多个第一电极块，每一所述第一电极块位于对应的所述第一开口内，同一所述第三电极组中的多个所述第一电极块电性连接；
    其中，多条所述第一电极组和多条所述第二电极组相交形成多个触控单元，多个所述触控单元沿所述第一方向和所述第二方向排列，所述触控单元包括第一电极、第二电极和第三电极，所述第一电极围绕所述第二电极而设置。
  2. 如权利要求1所述的触控面板，其中，在第一时间段，每一所述第一电极组电性连接至对应的第一外围走线，每一所述第二电极组电性连接至对应的第二走线，以使多条所述第一电极组和多条所述第二电极组实现第一功能；
    在第二时间段，每一所述第二电极组电性连接至对应的第二外围走线，以使多条所述第三电极组和多条所述第一电极组实现第二功能。
  3. 如权利要求1所述的触控面板，其中，所述触控层还包括：
    多条第四电极组，多条所述第四电极组沿所述第二方向延伸以及沿所述第一方向排列，所述第一电极组、所述第一电极组、所述第三电极组和所述第四电极组绝缘设置；
    其中，每一所述第二电极组包括沿所述第二方向延伸的第二主干电极组和连接于第二主干电极组两侧的多个第二支干电极，部分或者全部所述第二支干电极内设有第二开口；
    其中，每一所述第四电极组包括与沿所述第二方向排列的多个所述第二开口对应的多个第二电极块，每一所述第二电极块位于对应的所述第二开口内。
  4. 如权利要求3所述的触控面板，其中，同一所述第四电极组中的多个所述第二电极块电性连接，每一所述第四电极组电性连接至第二走线，以使多条所述第三电极组和多条所述第四电极组实现第三功能。
  5. 如权利要求1所述的触控面板，其中：
    在所述第一方向上，多个所述触控单元内的每相邻两所述第一电极电性连接以形成对应的一所述第一电极组，多个所述触控单元内的每相邻两所述第三电极电性连接以形成对应的一所述第三电极组，相邻两个所述触控单元内的两所述第二电极绝缘设置；
    在所述第二方向上，多个所述触控单元内的每相邻两所述第二电极电性连接以形成对应的一所述第二电极组，相邻两个所述触控单元内的两所述第一电极绝缘设置。
  6. 如权利要求5所述的触控面板，其中，在所述触控单元中，所述第一电极包括沿所述第一方向排列的两第一主干电极，所述第二电极包括沿所述第二方向延伸的第二主干电极，同一所述第一电极中的两所述第一主干电极通过绝缘于所述第二主干电极的桥接部电性连接。
  7. 如权利要求6所述的触控面板，其中，所述触控单元包括呈矩阵排列且关于所述触控单元的中心对称的四个重复单元，所述第一电极还包括连接于所述第一主干电极两侧的多个第一支干电极，所述第二电极还包括连接于所述第二主干电极的第二支干电极；
    在每一所述重复单元中，所述第一支干电极包括呈轴对称设置且相连设置的两第一子支干电极，两第一子支干电极的对称轴平行于所述第一方向，每一所述第一子支干电极内设有第一开口，每一所述第一开口内设有一所述第三电极，沿所述第一方向排列的多个所述第三电极电性连接以形成一所述第三电极组；
    在每一所述重复单元中，所述第二支干电极包括呈轴对称设置且相连设置的两第二子支干电极，两第二子支干电极的对称轴平行于所述第二方向。
  8. 一种触控面板，其中，包括触控层和功能芯片，所述触控层包括：
    多条第一电极组，多条所述第一电极组沿第一方向延伸以及沿第二方向排列；
    多条第二电极组，多条所述第二电极组沿所述第二方向延伸以及沿所述第一方向排列，多条所述第一电极组、多条所述第二电极组电性连接至所述功能芯片；
    多条第三电极组，所述第一电极组、所述第二电极组和所述第三电极组绝缘设置；
    其中，多条所述第三电极组相互连接且电性连接至第三外围走线以电性连接至所述功能芯片，或者多条所述第三电极组中两两绝缘设置且每一所述第三电极组连接至对应的第一走线以电性连接至所述功能芯片。
  9. 如权利要求8所述的触控面板，其中，每一所述第一电极组包括沿所述第一方向延伸的第一主干电极组和连接于所述第一主干电极组两侧的多个第一支干电极，部分或者全部所述第一支干电极内设有第一开口；
    其中，多条所述第三电极组沿所述第一方向延伸以及沿所述第二方向排列，每一所述第三电极组包括与沿所述第二方向排列的多个所述第一开口对应的多个第一电极块，每一所述第一电极块位于对应的所述第一开口内，同一所述第三电极组中的多个所述第一电极块电性连接。
  10. 如权利要求9所述的触控面板，其中，在第一时间段，每一所述第一电极组电性连接至对应的第一外围走线，每一所述第二电极组电性连接至对应的第二走线，以使多条所述第一电极组和多条所述第二电极组实现第一功能；
    在第二时间段，每一所述第二电极组电性连接至对应的第二外围走线，以使多条所述第三电极组和多条所述第一电极组实现第二功能。
  11. 如权利要求9所述的触控面板，其中，所述触控层还包括：
    多条第四电极组，多条所述第四电极组沿所述第二方向延伸以及沿所述第一方向排列，所述第一电极组、所述第一电极组、所述第三电极组和所述第四电极组绝缘设置；
    其中，每一所述第二电极组包括沿所述第二方向延伸的第二主干电极组和连接于第二主干电极组两侧的多个第二支干电极，部分或者全部所述第二支干电极内设有第二开口；
    其中，每一所述第四电极组包括与沿所述第二方向排列的多个所述第二开口对应的多个第二电极块，每一所述第二电极块位于对应的所述第二开口内。
  12. 如权利要求11所述的触控面板，其中，同一所述第四电极组中的多个所述第二电极块电性连接，每一所述第四电极组电性连接至第二走线，以使多条所述第三电极组和多条所述第四电极组实现第三功能。
  13. 如权利要求11所述的触控面板，其中，多条所述第四电极组相互连接或者两两绝缘设置。
  14. 如权利要求8所述的触控面板，其中，多条所述第一电极组和多条所述第二电极组相交形成多个触控单元，多个所述触控单元沿所述第一方向和所述第二方向排列，所述触控单元包括第一电极、第二电极和第三电极，所述第一电极围绕所述第二电极而设置；
    在所述第一方向上，多个所述触控单元内的每相邻两所述第一电极电性连接以形成对应的一所述第一电极组，多个所述触控单元内的每相邻两所述第三电极电性连接以形成对应的一所述第三电极组，相邻两个所述触控单元内的两所述第二电极绝缘设置；
    在所述第二方向上，多个所述触控单元内的每相邻两所述第二电极电性连接以形成对应的一所述第二电极组，相邻两个所述触控单元内的两所述第一电极绝缘设置。
  15. 如权利要求14所述的触控面板，其中，在所述触控单元中，所述第一电极包括沿所述第一方向排列的两第一主干电极，所述第二电极包括沿所述第二方向延伸的第二主干电极，同一所述第一电极中的两所述第一主干电极通过绝缘于所述第二主干电极的桥接部电性连接。
  16. 如权利要求15所述的触控面板，其中，所述触控单元包括呈矩阵排列且关于所述触控单元的中心对称的四个重复单元，所述第一电极还包括连接于所述第一主干电极两侧的多个第一支干电极，所述第二电极还包括连接于所述第二主干电极的第二支干电极；
    在每一所述重复单元中，所述第一支干电极包括呈轴对称设置且相连设置的两第一子支干电极，两第一子支干电极的对称轴平行于所述第一方向，每一所述第一子支干电极内设有第一开口，每一所述第一开口内设有一所述第三电极，沿所述第一方向排列的多个所述第三电极电性连接以形成一所述第三电极组；
    在每一所述重复单元中，所述第二支干电极包括呈轴对称设置且相连设置的两第二子支干电极，两第二子支干电极的对称轴平行于所述第二方向。
  17. 如权利要求16所述的触控面板，其中，在所述第一方向上，所述重复单元内设有第一搭桥，相邻两所述重复单元之间设有第二搭桥；
    其中，所述第一搭桥横跨且绝缘于呈轴对称设置的两所述第一子支干电极的相连部分，以及在所述第一方向上沿两侧延伸至以电性连接于同一所述重复单元中的两所述第三电极，所述第二搭桥横跨且绝缘于对应的所述第二主干电极，以电性连接于包含于相邻两所述重复单元中相邻的两所述第三电极。
  18. 如权利要求8所述的触控面板，其中，所述第一电极组、所述第二电极组和所述第三电极组由金属网格构成，所述第一电极组、所述第二电极组和所述第三电极组中两两通过所述金属网格的断口以绝缘设置。
  19. 如权利要求18所述的触控面板，其中，所述触控面板还包括：
    像素层，所述像素层和所述触控层相对设置，所述像素层包括多个子像素，所述金属网格包括多个网格单元，每一所述子像素在位于对应的所述网格单元内部。
  20. 一种移动终端，其中，所述移动终端包括终端主体和如权利要求8所述的触控面板，所述终端主体和所述触控面板组合为一体。
PCT/CN2021/129221 2021-10-21 2021-11-08 触控面板和移动终端 Ceased WO2023065409A1 (zh)

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