WO2020015249A1 - 触控面板及触控显示面板 - Google Patents

触控面板及触控显示面板 Download PDF

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Publication number
WO2020015249A1
WO2020015249A1 PCT/CN2018/113407 CN2018113407W WO2020015249A1 WO 2020015249 A1 WO2020015249 A1 WO 2020015249A1 CN 2018113407 W CN2018113407 W CN 2018113407W WO 2020015249 A1 WO2020015249 A1 WO 2020015249A1
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Prior art keywords
receiving
sensing
electrode
signal line
receiving signal
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PCT/CN2018/113407
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English (en)
French (fr)
Inventor
颜伟男
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Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Priority to US16/334,367 priority Critical patent/US11137855B2/en
Publication of WO2020015249A1 publication Critical patent/WO2020015249A1/zh
Anticipated expiration legal-status Critical
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    • 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
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • 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
    • 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

Definitions

  • the present application relates to the field of liquid crystals, and in particular, to a touch panel and a touch display panel.
  • Capacitive touch is mainly divided into two types: self-capacitive and mutual-capacitive.
  • the self-capacitive touch has low cost and simple working method, but has poor noise resistance.
  • Multi-touch is prone to ghost points.
  • Mutual-capacitive noise resistance Strong, multi-touch accurate, but there are shortcomings such as large power consumption and complex working timing.
  • the purpose of the embodiments of the present application is to provide a touch panel and a touch display panel, which have the effects of strong anti-noise capability and accurate multi-touch.
  • An embodiment of the present application provides a touch panel, including:
  • a plurality of capacitive sensing units which are arranged on the base layer and are distributed in an array of M rows and N columns; each of the capacitive sensing units includes a vertical sensing capacitor and a horizontal sensing capacitor arranged adjacently;
  • a transmission signal line connected to one end of each of the vertical induction capacitors and one end of each of the horizontal induction capacitors;
  • N first receiving signal lines are respectively connected to the other ends of the vertical sensing capacitors of the N column of capacitance sensing units, and the vertical sensing capacitors of the same column correspond to one first receiving signal line;
  • the M second receiving signal lines are respectively connected to the other ends of the horizontal sensing capacitors in the M row of the capacitive sensing units, and the horizontal sensing capacitors in the same row correspond to one second receiving signal line;
  • the touch panel further includes a touch sensing chip, the touch sensing chip has N first receiving pins and M second receiving pins, and the N first receiving pins are respectively connected with the N first receiving pins.
  • One receiving signal line is connected one-to-one correspondingly, and the M second receiving pins are respectively connected one-to-one with the M second receiving signal lines;
  • the vertical induction capacitor includes a first receiving electrode and a first transmitting electrode, the first receiving electrode is connected to a corresponding first receiving signal line, and the first transmitting electrode is connected to a transmitting signal line.
  • the horizontal sensing capacitor includes a second receiving electrode and a second transmitting electrode, the second receiving electrode is connected to a corresponding second receiving signal line, and the second transmitting electrode and The transmission signal line is connected.
  • the first received signal line monitors the capacitance change of the vertical induction capacitance of the corresponding column
  • the second received signal line monitors the capacitance change of the horizontal induction capacitance of the corresponding row
  • the inversion reconstruction algorithm calculates the capacitance change amount of each horizontal induction capacitor and vertical induction capacitor.
  • the capacitance value of each of the vertical sensing capacitors is equal, and the capacitance value of each of the horizontal sensing capacitors is equal.
  • the capacitive sensing unit includes a transmitting electrode, a first receiving electrode, and a second receiving electrode
  • the transmitting electrode includes a first emitting metal segment connected to each other and at a predetermined angle.
  • a second emitting metal segment the first receiving electrode is parallel to and facing the first emitting metal segment to form the vertical induction capacitor
  • the second receiving electrode is parallel to the second emitting metal segment and Facing to form the horizontal induction capacitor.
  • the first emission metal segment and the second emission metal segment are vertically connected.
  • the first emitting metal segment and the second emitting metal segment are connected at a 45-degree angle.
  • An embodiment of the present application further provides a touch panel, including:
  • a plurality of capacitive sensing units which are arranged on the base layer and are distributed in an array of M rows and N columns; each of the capacitive sensing units includes a vertical sensing capacitor and a horizontal sensing capacitor arranged adjacently;
  • a transmission signal line connected to one end of each of the vertical induction capacitors and one end of each of the horizontal induction capacitors;
  • N first receiving signal lines are respectively connected to the other ends of the vertical sensing capacitors of the N column of capacitance sensing units, and the vertical sensing capacitors of the same column correspond to one first receiving signal line;
  • the M second receiving signal lines are respectively connected to the other ends of the horizontal sensing capacitors of the M row of capacitance sensing units, and the horizontal sensing capacitors of the same row correspond to one second receiving signal line.
  • the touch panel further includes a touch sensing chip having N first receiving pins and M second receiving pins, and the N first receiving pins The receiving pins are connected to the N first receiving signal lines in a one-to-one correspondence, and the M second receiving pins are connected to the M second receiving signal lines in a one-to-one correspondence.
  • the vertical sensing capacitor includes a first receiving electrode and a first transmitting electrode, the first receiving electrode is connected to a corresponding first receiving signal line, and the first transmitting electrode Connect with the transmission signal line.
  • the horizontal sensing capacitor includes a second receiving electrode and a second transmitting electrode, the second receiving electrode is connected to a corresponding second receiving signal line, and the second transmitting electrode and The transmission signal line is connected.
  • the first received signal line monitors the capacitance change of the vertical induction capacitance of the corresponding column
  • the second received signal line monitors the capacitance change of the horizontal induction capacitance of the corresponding row
  • the inversion reconstruction algorithm calculates the capacitance change amount of each horizontal induction capacitor and vertical induction capacitor.
  • the capacitance value of each of the vertical sensing capacitors is equal, and the capacitance value of each of the horizontal sensing capacitors is equal.
  • the capacitive sensing unit includes a transmitting electrode, a first receiving electrode, and a second receiving electrode
  • the transmitting electrode includes a first emitting metal segment connected to each other and at a predetermined angle.
  • a second emitting metal segment the first receiving electrode is parallel to and facing the first emitting metal segment to form the vertical induction capacitor
  • the second receiving electrode is parallel to the second emitting metal segment and Facing to form the horizontal induction capacitor.
  • the first emission metal segment and the second emission metal segment are vertically connected.
  • the first emitting metal segment and the second emitting metal segment are connected at a 45-degree angle.
  • a touch display panel includes a display panel and a touch panel provided on the display panel.
  • the touch panel includes:
  • a plurality of capacitive sensing units which are arranged on the base layer and are distributed in an array of M rows and N columns; each of the capacitive sensing units includes a vertical sensing capacitor and a horizontal sensing capacitor arranged adjacently;
  • a transmission signal line connected to one end of each of the vertical induction capacitors and one end of each of the horizontal induction capacitors;
  • N first receiving signal lines are respectively connected to the other ends of the vertical sensing capacitors of the N column of capacitance sensing units, and the vertical sensing capacitors of the same column correspond to one first receiving signal line;
  • the M second receiving signal lines are respectively connected to the other ends of the horizontal sensing capacitors of the M row of capacitance sensing units, and the horizontal sensing capacitors of the same row correspond to one second receiving signal line.
  • the touch panel further includes a touch sensing chip, the touch sensing chip has N first receiving pins and M second receiving pins.
  • a receiving pin is connected to the N first receiving signal lines in a one-to-one correspondence
  • the M second receiving pins are connected to the M second receiving signal line in a one-to-one correspondence.
  • the vertical sensing capacitor includes a first receiving electrode and a first transmitting electrode, the first receiving electrode is connected to a corresponding first receiving signal line, and the first transmitting The electrode is connected to the transmission signal line.
  • the horizontal sensing capacitor includes a second receiving electrode and a second transmitting electrode, the second receiving electrode is connected to a corresponding second receiving signal line, and the second transmitting electrode Connect with the transmission signal line.
  • the touch panel and the touch form panel of the present application have strong anti-noise ability and accurate multi-touch effect.
  • FIG. 1 is a schematic structural diagram of a touch panel according to an embodiment of the present application.
  • FIG. 2 is a structural diagram of a capacitive sensing unit of a touch panel in an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a touch display panel according to an embodiment of the present application.
  • first and second are used for descriptive purposes only, and should not be interpreted as indicating or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality" is two or more, unless specifically defined otherwise.
  • the "first" or “under” of the second feature may include the first and second features in direct contact, and may also include the first and second features. Not directly, but through another characteristic contact between them.
  • the first feature is “above”, “above”, and “above” the second feature, including that the first feature is directly above and obliquely above the second feature, or merely indicates that the first feature is higher in level than the second feature.
  • the first feature is “below”, “below”, and “below” of the second feature, including the fact that the first feature is directly below and obliquely below the second feature, or merely indicates that the first feature is less horizontal than the second feature.
  • FIG. 1 is a schematic structural diagram of a touch panel according to an embodiment of the present application.
  • the touch panel includes: a base layer 10, a plurality of capacitive sensing units 20, N first receiving signal lines 30, and M The second receiving signal line 40, the transmitting signal line 50, and the touch sensing chip 60.
  • the plurality of capacitive sensing units 20 are disposed on the base layer 10 and are arranged in an array of M rows and N columns.
  • Each capacitive sensing unit 20 includes a vertical sensing capacitor 22 and a horizontal sensing capacitor 21 disposed adjacently.
  • the transmission signal line 50 is connected to one end of each of the vertical induction capacitors 22 and one end of each of the horizontal induction capacitors 21.
  • the vertical induction capacitor 22 includes a first receiving electrode and a first transmitting electrode.
  • the first receiving electrode is connected to a corresponding first receiving signal line 30, and the first transmitting electrode is connected to a transmitting signal line 50.
  • the horizontal sensing capacitor 21 includes a second receiving electrode and a second transmitting electrode.
  • the second receiving electrode is connected to a corresponding second receiving signal line 40, and the second transmitting electrode is connected to a transmitting signal line 50.
  • the N first receiving signal lines 30 are respectively connected to the other ends of the vertical sensing capacitors 22 of the N columns of capacitive sensing units 20, and the vertical sensing capacitors 22 of the same column correspond to one first receiving signal line 30.
  • the M second receiving signal lines 40 are respectively connected to the other ends of the horizontal sensing capacitors 21 of the M rows of the capacitive sensing units 20, and the horizontal sensing capacitors 21 of the same row correspond to one second receiving signal line 40.
  • the touch sensing chip 60 has N first receiving pins and M second receiving pins.
  • the N first receiving pins are connected to the N first receiving signal lines 30 in a one-to-one correspondence
  • the M The second receiving pins are connected to the M second receiving signal lines 40 in a one-to-one correspondence.
  • the first receiving signal line 30 monitors the capacitance change of the vertical induction capacitor 22 in the corresponding column
  • the second receiving signal line 40 monitors the capacitance change of the horizontal induction capacitor 21 in the corresponding row, and calculates each The amount of capacitance change of each of the horizontal sensing capacitor 21 and the vertical sensing capacitor 22 determines the position touched by the finger.
  • formula (1) is an underdetermined system of (M + N) ⁇ (M ⁇ N), whose exact mathematical solution does not exist, or the solution is not unique. Therefore, a physically reasonable optimal solution can be reached by fast convergence. According to the different iterative modification rules, it can be divided into: Algebraic Reconstruction Techniques (ART), Multiplicative Algebra Reconstruction Techniques (MART), Simultaneous Iterative Reconstruction Techniques, SART .
  • ART Algebraic Reconstruction Techniques
  • MART Multiplicative Algebra Reconstruction Techniques
  • SART Simultaneous Iterative Reconstruction Techniques
  • i represents the i-th iteration.
  • the common iteration criteria are: when Stop iterating. This algorithm can effectively get the change in capacitance of each capacitor, and then determine the touch position.
  • the capacitance values of the plurality of vertical induction capacitors 22 are equal, or an error is avoided as much as possible; the capacitance values of each of the horizontal induction capacitors 21 are equal, or the errors are minimized to be equal.
  • the capacitive sensing unit 20 includes a transmitting electrode 20 a, a first receiving electrode 20 b, and a second receiving electrode 20 c.
  • the emitting electrode 20a includes a first emitting metal segment and a second emitting metal segment connected to each other and at a predetermined angle.
  • the first receiving electrode 20b is parallel to and faces the first emitting metal segment to form the vertical induction capacitor 22
  • the second receiving electrode 20c is parallel to and facing the second emitting metal segment to form the vertical sensing capacitor 22. ⁇ Horizontal induction capacitor 21.
  • the first emitting metal segment and the second emitting metal segment are vertically connected.
  • the first emitting metal segment and the second emitting metal segment are connected at an angle of 45 degrees.
  • FIG. 3 is a schematic structural diagram of a touch display panel according to an embodiment of the present application.
  • the touch display panel includes a display panel 70 and a touch panel.
  • the touch panel includes: a base layer 10, a plurality of capacitive sensing units 20, N first receiving signal lines 30, M second receiving signal lines 40, transmitting signal lines 50, and a touch sensing chip 60.
  • the plurality of capacitive sensing units 20 are disposed on the base layer 10 and are arranged in an array of M rows and N columns.
  • Each capacitive sensing unit 20 includes a vertical sensing capacitor 22 and a horizontal sensing capacitor 21 disposed adjacently.
  • the transmission signal line 50 is connected to one end of each of the vertical induction capacitors 22 and one end of each of the horizontal induction capacitors 21.
  • the vertical induction capacitor 22 includes a first receiving electrode and a first transmitting electrode.
  • the first receiving electrode is connected to a corresponding first receiving signal line 30, and the first transmitting electrode is connected to a transmitting signal line 50.
  • the horizontal sensing capacitor 21 includes a second receiving electrode and a second transmitting electrode.
  • the second receiving electrode is connected to a corresponding second receiving signal line 40, and the second transmitting electrode is connected to a transmitting signal line 50.
  • the N first receiving signal lines 30 are respectively connected to the other ends of the vertical sensing capacitors 22 of the N columns of capacitive sensing units 20, and the vertical sensing capacitors 22 of the same column correspond to one first receiving signal line 30.
  • the M second receiving signal lines 40 are respectively connected to the other ends of the horizontal sensing capacitors 21 of the M rows of the capacitive sensing units 20, and the horizontal sensing capacitors 21 of the same row correspond to one second receiving signal line 40.
  • the touch sensing chip 60 has N first receiving pins and M second receiving pins.
  • the N first receiving pins are connected to the N first receiving signal lines 30 in a one-to-one correspondence
  • the M The second receiving pins are connected to the M second receiving signal lines 40 in a one-to-one correspondence.
  • the first receiving signal line 30 monitors the capacitance change of the vertical induction capacitor 22 in the corresponding column
  • the second receiving signal line 40 monitors the capacitance change of the horizontal induction capacitor 21 in the corresponding row, and calculates each The amount of capacitance change of each of the horizontal sensing capacitor 21 and the vertical sensing capacitor 22 determines the position touched by the finger.
  • the capacitance values of the plurality of vertical induction capacitors 22 are equal, or an error is avoided as much as possible; the capacitance values of each of the horizontal induction capacitors 21 are equal, or the errors are minimized to be equal.

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

Abstract

一种触控面板，包括：基层（10）；多个电容感应单元（20），每一电容感应单元（20）包括竖直感应电容（22）以及水平感应电容（21）；发射信号线（50），与每一竖直感应电容（22）以及每一水平感应电容（21）连接；N根第一接收信号线（30），分别与N列电容感应单元（20）的竖直感应电容（22）连接；M根第二接收信号线（40），分别与M行电容感应单元（20）的水平感应电容（21）连接。

Description

触控面板及触控显示面板 技术领域
本申请涉及液晶领域，具体涉及一种触控面板及触控显示面板。
背景技术
目前的智能显示设备几乎离不开触控装置，而随着市场的发展及需求，越来越多的触控种类应运而生。目前应用最广的触控技术为电容式触控，电容触控具有穿透率高、操作灵活、多点触控、寿命长等优点。电容触控主要又分为自容式和互容式两种，自容式触控成本低，工作方式简单，但抗噪能力差，多点触控易产生鬼点；互容式抗噪能力强，多点触控精确，但存在功耗大、工作时序复杂等缺点。
因此，现有技术存在缺陷，急需改进。
技术问题
本申请实施例的目的是提供一种触控面板及触控显示面板，具有抗噪能力强，多点触控精确的效果。
技术解决方案
本申请实施例提供了一种触控面板，包括：
基层；
多个电容感应单元，该多个电容感应单元设置于该基层上且呈M行N列阵列分布，每一所述电容感应单元包括临近设置的一竖直感应电容以及一水平感应电容；
发射信号线，该发射信号线与每一所述竖直感应电容的一端以及每一所述水平感应电容的一端连接；
N根第一接收信号线，该N根第一接收信号线分别与该N列电容感应单元的竖直感应电容的另一端连接，同一列的竖直感应电容对应一根第一接收信号线；
M根第二接收信号线，该M根第二接收信号线分别与该M行电容感应单元 的水平感应电容的另一端连接，同一行的水平感应电容对应一根第二接收信号线；
其中，所述触控面板还包括触控感应芯片，该触控感应芯片具有N个第一接收引脚以及M个第二接收引脚，该N个第一接收引脚分别与该N根第一接收信号线一一对应地连接，该M个第二接收引脚分别与该M根第二接收信号线一一对应地连接；
所述竖直感应电容包括第一接收电极以及第一发射电极，所述第一接收电极与对应的第一接收信号线连接，所述第一发射电极与发射信号线连接。
在本申请所述的触控面板中，所述水平感应电容包括第二接收电极以及第二发射电极，所述第二接收电极与对应的第二接收信号线连接，所述第二发射电极与发射信号线连接。
在本申请所述的触控面板中，所述第一接收信号线监测对应列的竖直感应电容的电容变化，所述第二接收信号线监测对应行的水平感应电容的电容变化，并根据反演重建算法计算得到每个水平感应电容以及竖直感应电容的电容变化量。
在本申请所述的触控面板中，每一所述竖直感应电容的电容值相等，每一所述水平感应电容的电容值相等。
在本申请所述的触控面板中，所述电容感应单元包括一发射电极、第一接收电极以及第二接收电极，所述发射电极包括相互连接且呈预设夹角的第一发射金属段以及第二发射金属段，所述第一接收电极与所述第一发射金属段平行且正对以构成所述竖直感应电容，所述第二接收电极与所述第二发射金属段平行且正对以构成所述水平感应电容。
在本申请所述的触控面板中，所述第一发射金属段以及第二发射金属段垂直连接。
在本申请所述的触控面板中，所述第一发射金属段以及第二发射金属段呈45度角连接。
本申请实施例还提供了一种触控面板，包括：
基层；
多个电容感应单元，该多个电容感应单元设置于该基层上且呈M行N列阵列分布，每一所述电容感应单元包括临近设置的一竖直感应电容以及一水平感应电容；
发射信号线，该发射信号线与每一所述竖直感应电容的一端以及每一所述水平感应电容的一端连接；
N根第一接收信号线，该N根第一接收信号线分别与该N列电容感应单元的竖直感应电容的另一端连接，同一列的竖直感应电容对应一根第一接收信号线；
M根第二接收信号线，该M根第二接收信号线分别与该M行电容感应单元的水平感应电容的另一端连接，同一行的水平感应电容对应一根第二接收信号线。
在本申请所述的触控面板中，所述触控面板还包括触控感应芯片，该触控感应芯片具有N个第一接收引脚以及M个第二接收引脚，该N个第一接收引脚分别与该N根第一接收信号线一一对应地连接，该M个第二接收引脚分别与该M根第二接收信号线一一对应地连接。
在本申请所述的触控面板中，所述竖直感应电容包括第一接收电极以及第一发射电极，所述第一接收电极与对应的第一接收信号线连接，所述第一发射电极与发射信号线连接。
在本申请所述的触控面板中，所述水平感应电容包括第二接收电极以及第二发射电极，所述第二接收电极与对应的第二接收信号线连接，所述第二发射电极与发射信号线连接。
在本申请所述的触控面板中，所述第一接收信号线监测对应列的竖直感应电容的电容变化，所述第二接收信号线监测对应行的水平感应电容的电容变化，并根据反演重建算法计算得到每个水平感应电容以及竖直感应电容的电容变化量。
在本申请所述的触控面板中，每一所述竖直感应电容的电容值相等，每一所 述水平感应电容的电容值相等。
在本申请所述的触控面板中，所述电容感应单元包括一发射电极、第一接收电极以及第二接收电极，所述发射电极包括相互连接且呈预设夹角的第一发射金属段以及第二发射金属段，所述第一接收电极与所述第一发射金属段平行且正对以构成所述竖直感应电容，所述第二接收电极与所述第二发射金属段平行且正对以构成所述水平感应电容。
在本申请所述的触控面板中，所述第一发射金属段以及第二发射金属段垂直连接。
在本申请所述的触控面板中，所述第一发射金属段以及第二发射金属段呈45度角连接。
一种触控显示面板，其包括显示面板以及设置于所述显示面板上的触控面板，所述触控面板包括：
基层；
多个电容感应单元，该多个电容感应单元设置于该基层上且呈M行N列阵列分布，每一所述电容感应单元包括临近设置的一竖直感应电容以及一水平感应电容；
发射信号线，该发射信号线与每一所述竖直感应电容的一端以及每一所述水平感应电容的一端连接；
N根第一接收信号线，该N根第一接收信号线分别与该N列电容感应单元的竖直感应电容的另一端连接，同一列的竖直感应电容对应一根第一接收信号线；
M根第二接收信号线，该M根第二接收信号线分别与该M行电容感应单元的水平感应电容的另一端连接，同一行的水平感应电容对应一根第二接收信号线。
在本申请所述的触控显示面板中，所述触控面板还包括触控感应芯片，该触控感应芯片具有N个第一接收引脚以及M个第二接收引脚，该N个第一接收引脚分别与该N根第一接收信号线一一对应地连接，该M个第二接收引脚分 别与该M根第二接收信号线一一对应地连接。
在本申请所述的触控显示面板中，所述竖直感应电容包括第一接收电极以及第一发射电极，所述第一接收电极与对应的第一接收信号线连接，所述第一发射电极与发射信号线连接。
在本申请所述的触控显示面板中，所述水平感应电容包括第二接收电极以及第二发射电极，所述第二接收电极与对应的第二接收信号线连接，所述第二发射电极与发射信号线连接。
有益效果
本申请的触控面板及触控形式面板具有抗噪能力强，多点触控精确的效果。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例中的触控面板的一种结构示意图。
图2为本申请实施例中的触控面板的电容感应单元的结构图。
图3为本申请实施例中的触控显示面板的一种结构示意图。
本发明的实施方式
下面详细描述本申请的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”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。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下文的公开提供了许多不同的实施方式或例子用来实现本申请的不同结构。为了简化本申请的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本申请。此外，本申请可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本申请提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
请参阅图1，图1为本申请实施例中的触控面板的一种结构示意图，该触控面板包括：基层10、多个电容感应单元20、N根第一接收信号线30、M根第二接收信号线40、发射信号线50、触控感应芯片60。
其中，该多个电容感应单元20设置于该基层10上且呈M行N列阵列分布，每一电容感应单元20包括临近设置的一竖直感应电容22以及一水平感应电容 21。该发射信号线50与每一所述竖直感应电容22的一端以及每一所述水平感应电容21的一端连接。
该竖直感应电容22包括第一接收电极以及第一发射电极，所述第一接收电极与对应的第一接收信号线30连接，所述第一发射电极与发射信号线50连接。该水平感应电容21包括第二接收电极以及第二发射电极，所述第二接收电极与对应的第二接收信号线40连接，所述第二发射电极与发射信号线50连接。
该N根第一接收信号线30分别与该N列电容感应单元20的竖直感应电容22的另一端连接，同一列的竖直感应电容22对应一根第一接收信号线30。
该M根第二接收信号线40分别与该M行电容感应单元20的水平感应电容21的另一端连接，同一行的水平感应电容21对应一根第二接收信号线40。
触控感应芯片60具有N个第一接收引脚以及M个第二接收引脚，该N个第一接收引脚分别与该N根第一接收信号线30一一对应地连接，该M个第二接收引脚分别与该M根第二接收信号线40一一对应地连接。
其中，第一接收信号线30监测对应列的竖直感应电容22的电容变化，所述第二接收信号线40监测对应行的水平感应电容21的电容变化，并根据反演重建算法计算得到每个水平感应电容21以及竖直感应电容22的电容变化量，从而判断出手指触摸的位置。
水平感应电容21和竖直感应电容22上产生的电容变化都为C1_1。因此，可以得到电容变化值与接收信号关系如公式(1)所示：
Figure PCTCN2018113407-appb-000001
公式(1)简化为：K·C＝RX(2)，其中，
Figure PCTCN2018113407-appb-000002
Figure PCTCN2018113407-appb-000003
可以看出，公式(1)是一个(M+N)×(M×N)的欠定方程组，其精确数学解不存在，或解不唯一。因此可以通过快速收敛达到物理上合理的最优解。根据迭代修正规则的不同，又可以分为：代数重建法(Algebraic Reconstruction Techniques,ART),乘法代数重建法(Multiplicative Algebraic Reconstruction Techniques,MART)，以及同时迭代重建法(Simultaneous Iterative Reconstruction Techniques,SART)等。本文主要ART算法对公式(1)进行求解，可以得到：
Figure PCTCN2018113407-appb-000004
其中，i表示第i次迭代。通常使用ART算法时，只能采用有限的迭代次数，因此必须选定收敛准则，决定何时停止迭代，常用的迭代标准为：取
Figure PCTCN2018113407-appb-000005
当
Figure PCTCN2018113407-appb-000006
时停止迭代。通过该算法可以有效地得到每个电容的容值变化量，进而确定触控位置。
在本实施例中，该多个竖直感应电容22的电容值相等，或者尽量避免误差实现相等；每一所述水平感应电容21的电容值相等，或者尽量减小误差实现相等。
请参照图2，在一些实施例中，该电容感应单元20包括一发射电极20a、第一接收电极20b以及第二接收电极20c。该发射电极20a包括相互连接且呈预设夹角的第一发射金属段以及第二发射金属段。该第一接收电极20b与所述第一发射金属段平行且正对以构成所述竖直感应电容22，所述第二接收电极20c与所述第二发射金属段平行且正对以构成所述水平感应电容21。
可以理解地，在一些实施例中，该第一发射金属段以及第二发射金属段垂直连接。
可以理解地，在一些实施例中，第一发射金属段以及第二发射金属段呈45度角连接。
请参照图3，图3为本申请实施例中的触控显示面板的一种结构示意图。该触控显示面板包括显示面板70以及触控面板。该触控面板包括：基层10、多个电容感应单元20、N根第一接收信号线30、M根第二接收信号线40、发射信号线50、触控感应芯片60。
其中，该多个电容感应单元20设置于该基层10上且呈M行N列阵列分布，每一电容感应单元20包括临近设置的一竖直感应电容22以及一水平感应电容21。该发射信号线50与每一所述竖直感应电容22的一端以及每一所述水平感应电容21的一端连接。
该竖直感应电容22包括第一接收电极以及第一发射电极，所述第一接收电极与对应的第一接收信号线30连接，所述第一发射电极与发射信号线50连接。 该水平感应电容21包括第二接收电极以及第二发射电极，所述第二接收电极与对应的第二接收信号线40连接，所述第二发射电极与发射信号线50连接。
该N根第一接收信号线30分别与该N列电容感应单元20的竖直感应电容22的另一端连接，同一列的竖直感应电容22对应一根第一接收信号线30。
该M根第二接收信号线40分别与该M行电容感应单元20的水平感应电容21的另一端连接，同一行的水平感应电容21对应一根第二接收信号线40。
触控感应芯片60具有N个第一接收引脚以及M个第二接收引脚，该N个第一接收引脚分别与该N根第一接收信号线30一一对应地连接，该M个第二接收引脚分别与该M根第二接收信号线40一一对应地连接。
其中，第一接收信号线30监测对应列的竖直感应电容22的电容变化，所述第二接收信号线40监测对应行的水平感应电容21的电容变化，并根据反演重建算法计算得到每个水平感应电容21以及竖直感应电容22的电容变化量，从而判断出手指触摸的位置。
在本实施例中，该多个竖直感应电容22的电容值相等，或者尽量避免误差实现相等；每一所述水平感应电容21的电容值相等，或者尽量减小误差实现相等。
以上对本申请实施例提供的触控面板及触控显示面板进行了详细介绍，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。同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种触控面板，其包括：
    基层；
    多个电容感应单元，该多个电容感应单元设置于该基层上且呈M行N列阵列分布，每一所述电容感应单元包括临近设置的一竖直感应电容以及一水平感应电容；
    发射信号线，该发射信号线与每一所述竖直感应电容的一端以及每一所述水平感应电容的一端连接；
    N根第一接收信号线，该N根第一接收信号线分别与该N列电容感应单元的竖直感应电容的另一端连接，同一列的竖直感应电容对应一根第一接收信号线；
    M根第二接收信号线，该M根第二接收信号线分别与该M行电容感应单元的水平感应电容的另一端连接，同一行的水平感应电容对应一根第二接收信号线；
    其中，所述触控面板还包括触控感应芯片，该触控感应芯片具有N个第一接收引脚以及M个第二接收引脚，该N个第一接收引脚分别与该N根第一接收信号线一一对应地连接，该M个第二接收引脚分别与该M根第二接收信号线一一对应地连接；
    所述竖直感应电容包括第一接收电极以及第一发射电极，所述第一接收电极与对应的第一接收信号线连接，所述第一发射电极与发射信号线连接。
  2. 根据权利要求1所述的触控面板，其中，所述水平感应电容包括第二接收电极以及第二发射电极，所述第二接收电极与对应的第二接收信号线连接，所述第二发射电极与发射信号线连接。
  3. 根据权利要求1所述的触控面板，其中，所述第一接收信号线监测对应列的竖直感应电容的电容变化，所述第二接收信号线监测对应行的水平感应电容的电容变化，并根据反演重建算法计算得到每个水平感应电容以及竖直感应电容的电容变化量。
  4. 根据权利要求1所述的触控面板，其中，每一所述竖直感应电容的电容值相等，每一所述水平感应电容的电容值相等。
  5. 根据权利要求1所述的触控面板，其中，所述电容感应单元包括一发射电极、第一接收电极以及第二接收电极，所述发射电极包括相互连接且呈预设夹角的第一发射金属段以及第二发射金属段，所述第一接收电极与所述第一发射金属段平行且正对以构成所述竖直感应电容，所述第二接收电极与所述第二发射金属段平行且正对以构成所述水平感应电容。
  6. 根据权利要求5所述的触控面板，其中，所述第一发射金属段以及第二发射金属段垂直连接。
  7. 根据权利要求6所述的触控面板，其中，所述第一发射金属段以及第二发射金属段呈45度角连接。
  8. 一种触控面板，其包括：
    基层；
    多个电容感应单元，该多个电容感应单元设置于该基层上且呈M行N列阵列分布，每一所述电容感应单元包括临近设置的一竖直感应电容以及一水平感应电容；
    发射信号线，该发射信号线与每一所述竖直感应电容的一端以及每一所述水平感应电容的一端连接；
    N根第一接收信号线，该N根第一接收信号线分别与该N列电容感应单元的竖直感应电容的另一端连接，同一列的竖直感应电容对应一根第一接收信号线；
    M根第二接收信号线，该M根第二接收信号线分别与该M行电容感应单元的水平感应电容的另一端连接，同一行的水平感应电容对应一根第二接收信号线。
  9. 根据权利要求8所述的触控面板，其中，所述触控面板还包括触控感应芯片，该触控感应芯片具有N个第一接收引脚以及M个第二接收引脚，该N个第一接收引脚分别与该N根第一接收信号线一一对应地连接，该M个第二 接收引脚分别与该M根第二接收信号线一一对应地连接。
  10. 根据权利要求8所述的触控面板，其中，所述竖直感应电容包括第一接收电极以及第一发射电极，所述第一接收电极与对应的第一接收信号线连接，所述第一发射电极与发射信号线连接。
  11. 根据权利要求8所述的触控面板，其中，所述水平感应电容包括第二接收电极以及第二发射电极，所述第二接收电极与对应的第二接收信号线连接，所述第二发射电极与发射信号线连接。
  12. 根据权利要求8所述的触控面板，其中，所述第一接收信号线监测对应列的竖直感应电容的电容变化，所述第二接收信号线监测对应行的水平感应电容的电容变化，并根据反演重建算法计算得到每个水平感应电容以及竖直感应电容的电容变化量。
  13. 根据权利要求8所述的触控面板，其中，每一所述竖直感应电容的电容值相等，每一所述水平感应电容的电容值相等。
  14. 根据权利要求8所述的触控面板，其中，所述电容感应单元包括一发射电极、第一接收电极以及第二接收电极，所述发射电极包括相互连接且呈预设夹角的第一发射金属段以及第二发射金属段，所述第一接收电极与所述第一发射金属段平行且正对以构成所述竖直感应电容，所述第二接收电极与所述第二发射金属段平行且正对以构成所述水平感应电容。
  15. 根据权利要求14所述的触控面板，其中，所述第一发射金属段以及第二发射金属段垂直连接。
  16. 根据权利要求15所述的触控面板，其中，所述第一发射金属段以及第二发射金属段呈45度角连接。
  17. 一种触控显示面板，其包括显示面板以及设置于所述显示面板上的触控面板，所述触控面板包括：
    基层；
    多个电容感应单元，该多个电容感应单元设置于该基层上且呈M行N列阵列分布，每一所述电容感应单元包括临近设置的一竖直感应电容以及一水平 感应电容；
    发射信号线，该发射信号线与每一所述竖直感应电容的一端以及每一所述水平感应电容的一端连接；
    N根第一接收信号线，该N根第一接收信号线分别与该N列电容感应单元的竖直感应电容的另一端连接，同一列的竖直感应电容对应一根第一接收信号线；
    M根第二接收信号线，该M根第二接收信号线分别与该M行电容感应单元的水平感应电容的另一端连接，同一行的水平感应电容对应一根第二接收信号线。
  18. 根据权利要求17所述的触控显示面板，其中，所述触控面板还包括触控感应芯片，该触控感应芯片具有N个第一接收引脚以及M个第二接收引脚，该N个第一接收引脚分别与该N根第一接收信号线一一对应地连接，该M个第二接收引脚分别与该M根第二接收信号线一一对应地连接。
  19. 根据权利要求17所述的触控显示面板，其中，所述竖直感应电容包括第一接收电极以及第一发射电极，所述第一接收电极与对应的第一接收信号线连接，所述第一发射电极与发射信号线连接。
  20. 根据权利要求17所述的触控显示面板，其中，所述水平感应电容包括第二接收电极以及第二发射电极，所述第二接收电极与对应的第二接收信号线连接，所述第二发射电极与发射信号线连接。
PCT/CN2018/113407 2018-07-19 2018-11-01 触控面板及触控显示面板 Ceased WO2020015249A1 (zh)

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