WO2015081653A1 - Embedded touch display panel, touch positioning method thereof, and display device - Google Patents

Embedded touch display panel, touch positioning method thereof, and display device Download PDF

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Publication number
WO2015081653A1
WO2015081653A1 PCT/CN2014/075872 CN2014075872W WO2015081653A1 WO 2015081653 A1 WO2015081653 A1 WO 2015081653A1 CN 2014075872 W CN2014075872 W CN 2014075872W WO 2015081653 A1 WO2015081653 A1 WO 2015081653A1
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Prior art keywords
touch
line
sensing
display panel
touch sensing
Prior art date
Application number
PCT/CN2014/075872
Other languages
French (fr)
Chinese (zh)
Inventor
魏向东
郝学光
李成
安星俊
柳奉烈
Original Assignee
京东方科技集团股份有限公司
鄂尔多斯市源盛光电有限责任公司
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Publication of WO2015081653A1 publication Critical patent/WO2015081653A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—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; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds

Definitions

  • the present invention relates to the field of liquid crystal display, and in particular, to an in-cell touch display panel, a touch positioning method thereof, and a display device.
  • the existing in-cell touch control liquid crystal display includes a photo sensor type liquid crystal display, a squeeze capacitive liquid crystal display, a squeeze resistive liquid crystal display, and the like.
  • the light sensor type liquid crystal display needs an external light source; the squeeze capacitive liquid crystal display relies on the extrusion to cause the thickness change of the liquid crystal cell, and the capacitance is changed to obtain the corresponding position information, but since the pressing resistance is caused by the extrusion, the upper and lower substrate conductors are pressed. The contact generates positional information, so the life of the squeeze capacitor is short.
  • the existing in-cell touch display panel usually has the touch sensor disposed behind the liquid crystal display panel, so that the number of masks needs to be increased, thereby increasing the cost.
  • the main object of the present invention is to provide an in-cell touch display panel and a method for fabricating the same, which can realize in-cell touch liquid crystal display without increasing the number of masks.
  • the present invention provides an in-cell touch display panel comprising an array substrate, wherein the array substrate is provided with a plurality of shielding metal wires and a plurality of data lines insulated from each other, wherein at least one The shielding metal wire is further configured as a touch scanning line, and at least one of the data lines is further configured as a touch sensing line, and
  • the touch scan line is configured to receive a touch scan signal during a touch phase
  • the touch sensing line is configured to couple the touch scan signal through a sensing capacitor during a touch phase to obtain a touch sensing signal and output the touch sensing signal;
  • the in-cell touch display panel of the present invention further includes: a touch sensing unit connected to the touch sensing line, configured to receive the touch sensing of the touch sensing line output during the touch phase And detecting a change in the touch sensing signal and a position of the sensing capacitor to obtain touch position information.
  • the in-cell touch display panel of the present invention further includes: a touch switch disposed between the touch sensing line and the touch sensing unit, configured to be turned on during the touch phase The connection between the touch sensing line and the touch sensing unit disconnects the touch sensing line from the touch sensing unit during the display phase.
  • the touch switch is a thin film transistor.
  • the in-cell touch display panel of the present invention further includes:
  • the ffi is configured to load the display driving signal to the touch sensing line during the display phase; and the driving switch is connected between the touch sensing line and the driving integrated chip for being used in the touch phase Opening a connection between the touch sensing line and the driving integrated chip, and connecting the touch sensing line and the driving integrated chip in a display phase.
  • the drive switch is a thin film transistor.
  • the in-cell touch display panel of the present invention further includes a dummy scan line disposed between two adjacent touch scan lines; the dummy scan line includes at least one shield metal line.
  • the in-cell touch display panel of the present invention further includes a virtual sensing line disposed between two adjacent touch sensing lines; the virtual sensing line includes at least one data line.
  • the present invention also provides a touch positioning method for an in-cell touch display panel, which is applied to the above-mentioned in-cell touch display panel, and includes:
  • the touch sensing signal is detected by the sensing sensor, and the touch position information is determined according to the change of the touch sensing signal and the position of the sensing capacitor.
  • the present invention also provides a display device comprising the above-described in-cell touch display panel.
  • the present invention utilizes existing shielded metal wires and data lines as touch scan lines and touch sense lines, and can realize in-cell touch liquid crystal display without increasing the number of masks.
  • the sensing capacitor formed at the intersection of the touch scan line and the opposite surface of the touch sensing line has the advantage of long life because no deformation is required, and the sensing capacitor is directly disposed on the array substrate.
  • the thickness of the liquid crystal display is greatly reduced on the basis of the existing process technology, and the cost is saved.
  • FIG. 3 is a partial structural diagram of a touch sensor of an in-cell touch display panel according to another embodiment of the present invention.
  • FIG. 4 is a signal timing diagram of an in-cell touch display panel according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a mask exposure process of an array substrate of an in-cell touch display panel according to an embodiment of the invention
  • FIG. 6 is a flow chart of a touch positioning method of an in-cell touch display panel according to an embodiment of the invention.
  • an in-cell touch display panel includes an array substrate (not shown in FIG. 1 ), and the column substrate is provided with a plurality of shielding metal wires and a plurality of wires insulated from each other.
  • the data line in which the direction shown in the figure is taken as an example, the shielding metal wire is vertically arranged, and the data line is horizontally arranged.
  • At least one of the shielding wires is further configured as a touch scanning line Tx, and at least one of the data lines is further configured as a touch sensing line.
  • the touch scan line ⁇ is configured to receive a touch scan signal during a touch phase
  • the touch sensing line Rx is configured to couple the touch scan signal through a sensing capacitor (not shown in FIG. 1) during the touch phase to obtain a touch sensing signal and output the touch sensing signal;
  • the sensing capacitor is formed at a intersection of the touch scan line and the opposite surface of the touch sensing line.
  • the in-cell touch display panel according to the embodiment of the present invention performs normal display by using the existing shield metal wire and the data line during the display process, and in the touch process, the shield metal wire and the The data lines are respectively used as touch scan lines and touch sensing lines for touch, without adding masks
  • the in-cell touch liquid crystal display can be realized, and the sensing capacitance formed at the intersection of the touch scan line and the opposite surface of the touch sensing line can generate an inductive signal because no deformation is required. Therefore, the utility model has the advantages of long service life, and the sensing capacitor is directly disposed on the array substrate, which can greatly reduce the thickness of the liquid crystal display and save the cost on the basis of the existing process technology.
  • a Shield Metal process is added to eliminate the influence of photocurrent on the T'FT characteristic.
  • a touch sensor is fabricated by shielding a metal line.
  • a shielded metal wire is used as a conventional shield layer, and is also used as a touch scan line.
  • the touch sensing line shares the data line with the pixels on the array substrate.
  • the shielded metal wire is used as a conventional shield layer; in the touch phase, the shielded metal wire is used as a touch scan line, and the data line is used as a touch sense line, and the two are used together to implement touch. This achieves in-line touch control without increasing cost.
  • a plurality of electrodes of the touch sensing line and the shielding metal line are arranged to increase the touch sensitivity.
  • the touch scan signal is provided by a touch integrated chip.
  • the touch-and-display is implemented in a time-sharing manner, so that by multiplexing the shield metal lines and the data lines in the above manner, the display signal can be reduced without increasing the load of the GOA (array substrate row drive). Induced signal interference.
  • the specific display time and touch time can be reasonably allocated according to the display time and the touch time.
  • the touch integrated chip respectively supplies scan signals to the touch scan lines, and each touch sensing line couples the touch scan signals provided by the sensing capacitors to obtain a touch sensing signal and outputs the same.
  • the shielded metal wire is used as a conventional shield metal layer, and the integrated data chip is input to the data line by driving the integrated chip, thereby ensuring that the in-cell touch display panel can be normally displayed.
  • the touch scan line ⁇ and the touch sense line Rx are statically balanced, and the capacitance of the sense capacitor existing between them is Co.
  • the finger and the touch scan line Tx and The touch sensing line Rx generates a coupling capacitor, and the value of the sensing capacitor changes AC, so that the sensing capacitance changes to (Co+AC), and the signal output by the touch sensing line Rx is detected by progressive scanning of the touch scanning line Tx.
  • the in-cell touch display panel of the present invention further includes:
  • the touch sensing unit 21 connected to the touch sensing line Rx receives the touch sensing signal output by the touch sensing line Rx during the touch phase, detects the change of the touch sensing signal, and the position of the sensing capacitor. , to get the touch location information;
  • the touch switch 22 is disposed between the touch sensing line Rx and the touch sensing unit 21, and the ffi is between the touch sensing line Rx and the touch sensing unit 21 during the touch phase.
  • the connection between the touch sensing line Rx and the touch sensing unit 21 is disconnected during the display phase, so that the touch sensing line Rx cannot output the sensing signal, but is used as When the data is implemented, the touch switch 22 can be a TFT (Thin Film Transistor) switch.
  • TFT Thin Film Transistor
  • the in-cell touch display panel of the embodiment of the present invention further includes: a driving integrated chip, wherein the touch control layer is used to display the touch scan signal The sensing line loads the display driving signal; and the driving switch is connected between the touch sensing line and the driving integrated chip, and is configured to disconnect the touch sensing line and the driving integrated chip during the touch phase The connection between the touch sensing line and the driving integrated chip is turned on during the display phase.
  • the driving switch may be a TFT switch.
  • the driving switch and the touch switch are controlled by the control signal outputted by the touch integrated chip, and the driving switch and the touch switch are controlled by the touch integrated chip output during the display phase. Signal control is turned off.
  • the in-cell touch display panel of the embodiment of the present invention further includes:
  • a dummy scan line Tm disposed between two adjacent touch scan lines Tx, including at least one shield metal line (not shown in FIG. 3) to prevent two adjacent touch scan lines Tx Signal interference between.
  • a dummy sensing line Rm disposed between the two adjacent touch sensing lines Rx, including at least one data line (not shown in FIG. 3), to prevent two adjacent touch sensing lines Rx Signal interference between.
  • the virtual scan line Tm and the virtual sense line Rm are input with a stable voltage signal during the touch phase, so as to prevent signal crosstalk.
  • Tx refers to the scan signal sent to the touch scan line
  • Rx refers to the sense signal output from the touch sensor line.
  • the metal shield wire is used as the shield metal layer, and the data line is used as the data line of the normal display. At this time, the metal shield wire is not used as the touch wire Tx, and the data line is not used as the touch.
  • the sensing line Rx does not output the sensing signal.
  • the metal shielding line is used as the touch scanning line Tx, and the data line is used as the touch sensing line Rx, and the sensing signal is outputted at this time.
  • the gate line scan line sequentially loads a scan signal for each of the screen lines Gatel, Gate2, one-gate Gate n-1, Gate n, and Gate n+1 in the touch screen (where n For an integer greater than 2, the gray line signal is loaded on the data line Data to output the display signal normally; during the touch time, the touch scan line Tx stops outputting the display signal, and forms a capacitance with the touch sensing line.
  • the control sensing line Rx outputs a signal correspondingly, and the touch position is obtained by detecting the signal output by the touch sensing line Rx.
  • the mask exposure process of the array substrate of the in-cell touch display panel of the present invention is as follows:
  • the shield metal layer 51 forms the above-described shield metal wire used as a touch scan line, and the source/drain metal layer 511 forms the above-described data line serving as a sense line.
  • a buffer layer 59 is disposed between the shielding metal layer 51 and the low temperature polysilicon layer 52;
  • the shield metal layer 51 is disposed on the glass substrate 50.
  • the risk map mark 510 identifies a Gate insulator; the insulating protective layer 54, is connected to the source/drain metal layer 5U and the low temperature polysilicon layer 52, and can reduce the gate metal layer. And a capacitance between the source and drain metal layers; the resin layers 55, 56 are used to planarize the film layer, and can reduce the capacitance Cpd of the pixel electrode and the source/drain metal layer, and the connection source through the via hole a drain metal layer and a common drive electrode; the passivation layer 58 is for connecting the pixel electrode and the common drive electrode.
  • the present invention also provides a display device comprising the above-described in-cell touch display panel.
  • the display device may be: a liquid crystal panel, an electronic paper, an OLED panel, a liquid crystal television, a liquid crystal display, A product or part with any display function, such as a digital photo frame, mobile phone, or tablet.
  • the touch positioning method of the in-cell touch display panel according to the embodiment of the present invention is applied to the in-cell touch display panel, and includes:
  • Step 61 loading a touch scan signal on the touch scan line
  • Step 62 Detect the touch sensing signal coupled by the sensing sensing line through the sensing capacitor, and determine the touch position information according to the change of the touch sensing signal and the position of the sensing capacitor.

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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)
  • Position Input By Displaying (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The present invention provides an embedded touch display panel, a touch positioning method, and a display device. The embedded touch display panel comprises an array substrate, the array substrate being provided with multiple shielding metal wires and multiple data lines that are mutually insulated. At least one of the shielding metal wires is further set as a touch scanning line, and at least one of the data lines is set as a touch sensing line. The touch scanning line is used for transmitting a touch scanning signal. The touch sensing line is used for coupling the touch scanning signal by using a sensing capacitor in a touch stage so as to obtain and output a touch sensing signal. The sensing capacitor is formed at the intersection of the touch scanning line and the touch sensing line that are in different planes. The present invention can achieve an embedded touch liquid crystal display without increasing the number of masks, thereby greatly reducing the thickness and costs of the liquid crystal display compared with the prior art.

Description

本发明涉及液晶显示领域， 尤其涉及一种内嵌式触控显示面板及其触摸 定位方法、 显示装置。  The present invention relates to the field of liquid crystal display, and in particular, to an in-cell touch display panel, a touch positioning method thereof, and a display device.
目前， 触控技术被广泛应用于液晶显示器， 以制作具有可以同时显示影 像以及输入功能的显示器。 现有的内嵌式触摸控制液晶显示器包括光传感器 式液晶显示器、 挤压电容式液晶显示器、 挤压电阻式液晶显示器等。 光传感 器式液晶显示器需要外接光源； 挤压电容式液晶显示器是依靠挤压导致液晶 盒厚度变化， 丛而使电容改变而得到相应位置信息， 但是由于挤压电阻是依 靠挤压使上下基板导电体接触从而产生位置信息，所以挤压式电容的寿命短。 并—巨.现有的内嵌式触控显示面板通常将触控传感器设置在液晶显示面板后方， 所以会导致需要增加掩膜的数量， 从而增加了成本。 Currently, touch technology is widely used in liquid crystal displays to produce displays that can simultaneously display images and input functions. The existing in-cell touch control liquid crystal display includes a photo sensor type liquid crystal display, a squeeze capacitive liquid crystal display, a squeeze resistive liquid crystal display, and the like. The light sensor type liquid crystal display needs an external light source; the squeeze capacitive liquid crystal display relies on the extrusion to cause the thickness change of the liquid crystal cell, and the capacitance is changed to obtain the corresponding position information, but since the pressing resistance is caused by the extrusion, the upper and lower substrate conductors are pressed. The contact generates positional information, so the life of the squeeze capacitor is short. And the existing in-cell touch display panel usually has the touch sensor disposed behind the liquid crystal display panel, so that the number of masks needs to be increased, thereby increasing the cost.
本发明的主要目的在于提供一种内嵌式触控显示面板及其制作方法， 在 不增加掩膜数量的情况下， 实现内嵌式触控液晶显示。 The main object of the present invention is to provide an in-cell touch display panel and a method for fabricating the same, which can realize in-cell touch liquid crystal display without increasing the number of masks.
为了达到上述目的， 本发明提供了一种内嵌式触控显示面板， 包括阵列 基板， 所述阵列基板上设置有相互绝缘的多条屏蔽金属线和多条数据线， 其 特征在于， 至少一条所述屏蔽金属线还被设置为触控扫描线， 至少一条所述 数据线还被设置为触控感应线， 并―  In order to achieve the above object, the present invention provides an in-cell touch display panel comprising an array substrate, wherein the array substrate is provided with a plurality of shielding metal wires and a plurality of data lines insulated from each other, wherein at least one The shielding metal wire is further configured as a touch scanning line, and at least one of the data lines is further configured as a touch sensing line, and
所述触控扫描线， 用于在触控阶段接收触控扫描信号；  The touch scan line is configured to receive a touch scan signal during a touch phase;
所述触控感应线， 用于在触控阶段通过感应电容对所述触控扫描信号进 行耦合， 得到触摸感应信号并输出；  The touch sensing line is configured to couple the touch scan signal through a sensing capacitor during a touch phase to obtain a touch sensing signal and output the touch sensing signal;
所述感应电容形成于所述触控扫描线与所述触控感应线的异面相交处。 实施时， 本发明所述的内嵌式触控显示面板还包括： 与所述触控感应线 连接的触控感应单元， 用于在触控阶段接收所述触控感应线输出的触摸感应 信号， 检测该触摸感应信号的变化以及所述感应电容的位置， 从而获得触摸 位置信息。 The sensing capacitor is formed at a intersection of the touch scan line and the opposite surface of the touch sensing line. In an implementation, the in-cell touch display panel of the present invention further includes: a touch sensing unit connected to the touch sensing line, configured to receive the touch sensing of the touch sensing line output during the touch phase And detecting a change in the touch sensing signal and a position of the sensing capacitor to obtain touch position information.
实施时， 本发明所述的内嵌式触控显示面板还包括： 设置于所述触控感 应线与所述触控感应单元之间的触控开关， 用于在触控阶段导通所述触控感 应线与所述触控感应单元之间的连接， 在显示阶段断开所述触控感应线与所 述触控感应单元之间的连接。  In an implementation, the in-cell touch display panel of the present invention further includes: a touch switch disposed between the touch sensing line and the touch sensing unit, configured to be turned on during the touch phase The connection between the touch sensing line and the touch sensing unit disconnects the touch sensing line from the touch sensing unit during the display phase.
实施时， 所述触控开关为薄膜晶体管。  In implementation, the touch switch is a thin film transistor.
实施时， 本发明所述的内嵌式触控显示面板还包括：  When implemented, the in-cell touch display panel of the present invention further includes:
驱动集成芯片， ffi于在显示阶段对所述触控感应线加载显示驱动信号； 以及， 驱动开关， 连接于所述触控感应线和所述驱动集成芯片之间， 用 于在触控阶段断开所述触控感应线和所述驱动集成芯片之间的连接， 在显示 阶段导通所述触控感应线和所述驱动集成芯片的连接。  Driving the integrated chip, the ffi is configured to load the display driving signal to the touch sensing line during the display phase; and the driving switch is connected between the touch sensing line and the driving integrated chip for being used in the touch phase Opening a connection between the touch sensing line and the driving integrated chip, and connecting the touch sensing line and the driving integrated chip in a display phase.
实施时， 所述驱动开关为薄膜晶体管。  In implementation, the drive switch is a thin film transistor.
实施时， 本发明所述的内嵌式触控显示面板还包括设置于相邻的两所述 触控扫描线之间的虚拟扫描线； 所述虛拟扫描线包括至少一条屏蔽金属线。  In an implementation, the in-cell touch display panel of the present invention further includes a dummy scan line disposed between two adjacent touch scan lines; the dummy scan line includes at least one shield metal line.
实施时， 本发明所述的内嵌式触控显示面板还包括设置于相邻的两所述 触控感应线之间的虚拟感应线； 所述虛拟感应线包括至少一条数据线。  In an implementation, the in-cell touch display panel of the present invention further includes a virtual sensing line disposed between two adjacent touch sensing lines; the virtual sensing line includes at least one data line.
本发明还提供了一种内嵌式触控显示面板的触摸定位方法， 应用于上述 的内嵌式触控显示面板， 包括：  The present invention also provides a touch positioning method for an in-cell touch display panel, which is applied to the above-mentioned in-cell touch display panel, and includes:
对触控扫描线加载触控扫描信号；  Loading a touch scan signal on the touch scan line;
检测触控感应线通过感应电容 ϋ合出的触控感应信号， 根据该触控感应 信号的变化以及所述感应电容的位置， 确定触摸位置信息。  The touch sensing signal is detected by the sensing sensor, and the touch position information is determined according to the change of the touch sensing signal and the position of the sensing capacitor.
本发明还提供了一种显示装置， 包括上述的内嵌式触控显示面板。  The present invention also provides a display device comprising the above-described in-cell touch display panel.
与现有技术相比， 本发明利用现有的屏蔽金属线和数据线作为触控扫描 线和触控感应线，在不增加掩膜数量的情况下即可实现内嵌式触控液晶显示， 并—巨.形成于所述触控扫描线与所述触控感应线的异面相交处的感应电容， 因 不需要形变而具有使 ^寿命长的优点，并且感应电容直接设置于阵列基板上, 在现有工艺技术的基础上大大降低了液晶显示器的厚度， 并且节约了成本。 图 1是本发明实施例所述的内嵌式触控显示面板的部分结构图； 图 2是本发明实施例所述的内嵌式触控显示面板包括的触控感应线通过 触控开关与触控感应单元的示意图； Compared with the prior art, the present invention utilizes existing shielded metal wires and data lines as touch scan lines and touch sense lines, and can realize in-cell touch liquid crystal display without increasing the number of masks. The sensing capacitor formed at the intersection of the touch scan line and the opposite surface of the touch sensing line has the advantage of long life because no deformation is required, and the sensing capacitor is directly disposed on the array substrate. The thickness of the liquid crystal display is greatly reduced on the basis of the existing process technology, and the cost is saved. 1 is a partial structural view of an in-cell touch display panel according to an embodiment of the invention; FIG. 2 is a view showing a touch sensing line included in an in-cell touch display panel according to an embodiment of the invention through a touch switch; A schematic diagram of a touch sensing unit;
图 3是本发明另一实施例所述的内嵌式触控显示面板的触控传感器的部 分结构图；  3 is a partial structural diagram of a touch sensor of an in-cell touch display panel according to another embodiment of the present invention;
图 4是本发明实施例所述的内嵌式触控显示面板工作时的信号时序图； 图 5是本发明实施例所述的内嵌式触控显示面板的阵列基板制备掩膜曝 光流程示意图；  4 is a signal timing diagram of an in-cell touch display panel according to an embodiment of the present invention; FIG. 5 is a schematic diagram of a mask exposure process of an array substrate of an in-cell touch display panel according to an embodiment of the invention; ;
图 6是本发明实施例所述的内嵌式触控显示面板的触摸定位方法的流程 图。  FIG. 6 is a flow chart of a touch positioning method of an in-cell touch display panel according to an embodiment of the invention.
下面将结合本发明实施例中的 图， 对本发明实施例中的技术方案进行 清楚、 完整地描述， 显然， 所描述的实施例仅仅是本发明一部分实施例， 而 不是全部的实施例。 基于本发明中的实施例， 本领域普通技术人员在没有做 出创造性劳动前提下所获得的所有其他实施例， 都属于本发明保护的范围。 The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
如图 1所示， 本发明实施例所述的内嵌式触控显示面板， 包括阵列基板 (图 1中未示），所述 列基板上设置有相互绝缘的多条屏蔽金属线和多条数 据线， 其中具体以图中所示方向为例， 竖向布置的为屏蔽金属线， 横向布置 的为数据线。 其中至少一条所述屏蔽金属线还被设置为触控扫描线 Tx， 至少 一条所述数据线还被设置为触控感应线  As shown in FIG. 1 , an in-cell touch display panel according to an embodiment of the invention includes an array substrate (not shown in FIG. 1 ), and the column substrate is provided with a plurality of shielding metal wires and a plurality of wires insulated from each other. The data line, in which the direction shown in the figure is taken as an example, the shielding metal wire is vertically arranged, and the data line is horizontally arranged. At least one of the shielding wires is further configured as a touch scanning line Tx, and at least one of the data lines is further configured as a touch sensing line.
所述触控扫描线 Τχ， 用于在触控阶段接收触控扫描信号；  The touch scan line 用于 is configured to receive a touch scan signal during a touch phase;
所述触控感应线 Rx， 用于在触控阶段通过感应电容（图 1中未示）对所 述触控扫描信号进行耦合， 得到触摸感应信号并输出；  The touch sensing line Rx is configured to couple the touch scan signal through a sensing capacitor (not shown in FIG. 1) during the touch phase to obtain a touch sensing signal and output the touch sensing signal;
所述感应电容形成于所述触控扫描线与所述触控感应线的异面相交处。 本发明实施例所述的内嵌式触控显示面板， 在显示过程中， 利用现有的 屏蔽金属线和数据线进行正常显示， 而在触控过程中， 将所述屏蔽金属线和 所述数据线分别用作触控扫描线和触控感应线进行触控， 可以在不增加掩膜 数量的情况下即可实现内嵌式触控液晶显示， 并且形成于所述触控扫描线与 所述触控感应线的异面相交处的感应电容， 由于不需要形变即可产生感应信 号， 因而具有使用寿命长的优点， 并旦将感应电容直接设置于阵列基板上， 可以在现有工艺技术的基础上大大降低了液晶显示器的厚度， 并 节约了成 本。 The sensing capacitor is formed at a intersection of the touch scan line and the opposite surface of the touch sensing line. The in-cell touch display panel according to the embodiment of the present invention performs normal display by using the existing shield metal wire and the data line during the display process, and in the touch process, the shield metal wire and the The data lines are respectively used as touch scan lines and touch sensing lines for touch, without adding masks In the case of the number, the in-cell touch liquid crystal display can be realized, and the sensing capacitance formed at the intersection of the touch scan line and the opposite surface of the touch sensing line can generate an inductive signal because no deformation is required. Therefore, the utility model has the advantages of long service life, and the sensing capacitor is directly disposed on the array substrate, which can greatly reduce the thickness of the liquid crystal display and save the cost on the basis of the existing process technology.
LTPS (Low Temperature Poly-silicon, 低温多晶硅技术） 工艺中为了消除 光电流对 T'FT特性的影响而增加了 Shield Metal (屏蔽金属）工艺， 本发明实 施例通过屏蔽金属线将触控传感器制作在 TFT ( Thin Film Transistor, 即薄膜 场效应晶体管） 基板上， 使屏蔽金属线用作传统的屏蔽层以外， 还用作触控 扫描线。 在本发明实施例中， 触控感应线与阵列基板上的像素共用数据线。 这样， 在正常显示阶段， 将屏蔽金属线作为传统的屏蔽层； 在触控阶段， 将 屏蔽金属线作为触控扫描线， 并且将数据线用作触控感应线， 两者一起实现 触控。 这样在不增加成本的基础上实现了内嵌式触摸控制。  In the LTPS (Low Temperature Poly-silicon) process, a Shield Metal process is added to eliminate the influence of photocurrent on the T'FT characteristic. In the embodiment of the present invention, a touch sensor is fabricated by shielding a metal line. On a TFT (Thin Film Transistor) substrate, a shielded metal wire is used as a conventional shield layer, and is also used as a touch scan line. In the embodiment of the invention, the touch sensing line shares the data line with the pixels on the array substrate. In this way, in the normal display stage, the shielded metal wire is used as a conventional shield layer; in the touch phase, the shielded metal wire is used as a touch scan line, and the data line is used as a touch sense line, and the two are used together to implement touch. This achieves in-line touch control without increasing cost.
在本发明实施例所述的内嵌式触控显示面板中， 布置了多个触控感应线 和屏蔽金属线的电极， 以增大触控敏感度。 所述触控扫描信号是由触控集成 芯片提供的。 并— .， 采用分时驱动的方式实施触控和显示， 这样， 通过上述 方式复用屏蔽金属线和数据线， 可以在不增加 GOA (阵列基板行驱动） 负载 的情况下降低了显示信号和感应信号的干扰。 可以根据不同分辨率的产品， 按照显示时间和触控时间的需求合理分配具体的显示时间和触控时间。 在触 控阶段， 触控集成芯片向各触控扫描线分别提供扫描信号， 同时各触控感应 线分别通过感应电容对所提供的触控扫描信号进行耦合， 得到触摸感应信号 并将其输出， 以实现触控功能。 在显示阶段， 屏蔽金属线用作传统的屏蔽金 属层， 通过驱动集成芯片为数据线输入正常的数据信号， 从而保证内嵌式触 控显示面板能正常显示。  In the in-cell touch display panel of the embodiment of the invention, a plurality of electrodes of the touch sensing line and the shielding metal line are arranged to increase the touch sensitivity. The touch scan signal is provided by a touch integrated chip. And -, the touch-and-display is implemented in a time-sharing manner, so that by multiplexing the shield metal lines and the data lines in the above manner, the display signal can be reduced without increasing the load of the GOA (array substrate row drive). Induced signal interference. According to the products of different resolutions, the specific display time and touch time can be reasonably allocated according to the display time and the touch time. In the touch phase, the touch integrated chip respectively supplies scan signals to the touch scan lines, and each touch sensing line couples the touch scan signals provided by the sensing capacitors to obtain a touch sensing signal and outputs the same. To achieve touch function. In the display phase, the shielded metal wire is used as a conventional shield metal layer, and the integrated data chip is input to the data line by driving the integrated chip, thereby ensuring that the in-cell touch display panel can be normally displayed.
在触摸前，所述触控扫描线 Τχ和所述触控感应线 Rx之间处于静态平衡， 其间存在的感应电容的电容值为 Co， 当手指触摸时， 手指分别与触控扫描线 Tx和所述触控感应线 Rx产生耦合电容，所述感应电容值变化 AC ,使得感应 电容变化为 ( Co+AC ) , 通过对触控扫描线 Tx的逐行扫描， 触控感应线 Rx 输出的信号会快速做出反应， 即可得到相应的触摸点位置 （即触摸点的行坐 如图 2所示， 根据一种具体实施方式， 本发明所述的内嵌式触控显示面 板还包括： Before the touch, the touch scan line Τχ and the touch sense line Rx are statically balanced, and the capacitance of the sense capacitor existing between them is Co. When the finger is touched, the finger and the touch scan line Tx and The touch sensing line Rx generates a coupling capacitor, and the value of the sensing capacitor changes AC, so that the sensing capacitance changes to (Co+AC), and the signal output by the touch sensing line Rx is detected by progressive scanning of the touch scanning line Tx. Will respond quickly, you can get the corresponding touch point position (ie, the line of touch points As shown in FIG. 2, according to a specific embodiment, the in-cell touch display panel of the present invention further includes:
与所述触控感应线 Rx连接的触控感应单元 21， ffi于在触控阶段接收所 述触控感应线 Rx输出的触摸感应信号，检测该触摸感应信号的变化以及所述 感应电容的位置， 丛而获得触摸位置信息；  The touch sensing unit 21 connected to the touch sensing line Rx receives the touch sensing signal output by the touch sensing line Rx during the touch phase, detects the change of the touch sensing signal, and the position of the sensing capacitor. , to get the touch location information;
设置于所述触控感应线 Rx与所述触控感应单元 21之间的触控开关 22， ffi于在触控阶段导通所述触控感应线 Rx与所述触控感应单元 21之间的连接， 能够输出感应信号；而在显示阶段断开所述触控感应线 Rx与所述触控感应单 元 21之间的连接， 使得触控感应线 Rx不能输出感应信号， 而是被用作数据 在具体实施时， 所述触控开关 22可以为 TFT (Thin Film Transistor, 薄 膜场效应晶体管） 开关。  The touch switch 22 is disposed between the touch sensing line Rx and the touch sensing unit 21, and the ffi is between the touch sensing line Rx and the touch sensing unit 21 during the touch phase. The connection between the touch sensing line Rx and the touch sensing unit 21 is disconnected during the display phase, so that the touch sensing line Rx cannot output the sensing signal, but is used as When the data is implemented, the touch switch 22 can be a TFT (Thin Film Transistor) switch.
在具体实施时， 为了向所述屏蔽金属线输出触控扫描信号， 本发明实施 例所述的内嵌式触控显示面板还包括： 驱动集成芯片， ）¾于在显示阶段对所 述触控感应线加载显示驱动信号； 以及， 驱动开关， 连接于所述触控感应线 和所述驱动集成芯片之间， ）¾于在触控阶段断开所述触控感应线和所述驱动 集成芯片之间的连接， 在显示阶段导通所述触控感应线和所述驱动集成芯片 的连接。  In an embodiment, the in-cell touch display panel of the embodiment of the present invention further includes: a driving integrated chip, wherein the touch control layer is used to display the touch scan signal The sensing line loads the display driving signal; and the driving switch is connected between the touch sensing line and the driving integrated chip, and is configured to disconnect the touch sensing line and the driving integrated chip during the touch phase The connection between the touch sensing line and the driving integrated chip is turned on during the display phase.
在具体实施时， 所述驱动开关可以为 TFT开关。 在触控阶段， 所述驱动 开关和所述触控开关被触控集成芯片输出的控制信号控制而导通， 在显示阶 段所述驱动开关和所述触控开关被触控集成芯片输出的控制信号控制而关断。  In a specific implementation, the driving switch may be a TFT switch. In the touch phase, the driving switch and the touch switch are controlled by the control signal outputted by the touch integrated chip, and the driving switch and the touch switch are controlled by the touch integrated chip output during the display phase. Signal control is turned off.
如图 3所示， 本发明实施例所述的内嵌式触控显示面板还包括：  As shown in FIG. 3, the in-cell touch display panel of the embodiment of the present invention further includes:
设置于相邻的两条所述触控扫描线 Tx之间的虚拟扫描线 Tm， 其包括至 少一条屏蔽金属线 （图 3中未示）， 来防止相邻的两所述触控扫描线 Tx之间 的信号干扰。 以及， 设置于相邻的两所述触控感应线 Rx之间的虚拟感应线 Rm， 其包括至少一条数据线 （图 3 中未示）， 来防止相邻的两所述触控感应 线 Rx之间的信号干扰。其中虛拟扫描线 Tm和虚拟感应线 Rm在触控阶段被 输入一个稳定的电压信号， 就可以起到防止信号串扰的作] ¾。 图 4是本发明实施例所述的内嵌式触控显示面板工作时的分时驱动时序 图， 将触摸屏显示每一喊的时间分成显示时间和触控时间， STV信号是一帧 图像的起始信号。 在图 4 中， Tx 指的是向触控扫描线发送的扫描信号， Rx 指的是触控感应线输出的感应信号。 如上所述， 在显示时间内， 金属屏蔽线 ^作屏蔽金属层， 并且数据线用作正常显示的数据线， 此时， 金属屏蔽线不 作为触控线 Tx， 数据线也不^作触控感应线 Rx, 因此不输出感应信号； 相 反的， 在触控阶段， 金属屏蔽线用作触控扫描线 Tx， 数据线用作触控感应线 Rx, 此时才输出感应信号。 结合图 4， 具体来说， 在显示时间内， 栅线扫描 线对触摸屏中的每条櫥线 Gatel、 Gate2、 一一Gate n- 1、 Gate n、 Gate n+1依 次加载扫描信号 （其中 n为大于 2的整数）， 对数据线 Data加载灰阶信号， 来正常输出显示信号； 在触控时间内， 触控扫描线 Tx停止输出显示信号， 与 触控感应线形成电容， 此时， 触控感应线 Rx相应地输出信号， 通过检测触控 感应线 Rx输出的信号即可得到触摸位置。 a dummy scan line Tm disposed between two adjacent touch scan lines Tx, including at least one shield metal line (not shown in FIG. 3) to prevent two adjacent touch scan lines Tx Signal interference between. And a dummy sensing line Rm disposed between the two adjacent touch sensing lines Rx, including at least one data line (not shown in FIG. 3), to prevent two adjacent touch sensing lines Rx Signal interference between. The virtual scan line Tm and the virtual sense line Rm are input with a stable voltage signal during the touch phase, so as to prevent signal crosstalk. 4 is a time-division driving timing diagram of the in-cell touch display panel according to the embodiment of the present invention, which divides the time of each shouting display into a display time and a touch time, and the STV signal is a frame image. Start signal. In Figure 4, Tx refers to the scan signal sent to the touch scan line, and Rx refers to the sense signal output from the touch sensor line. As described above, during the display time, the metal shield wire is used as the shield metal layer, and the data line is used as the data line of the normal display. At this time, the metal shield wire is not used as the touch wire Tx, and the data line is not used as the touch. The sensing line Rx does not output the sensing signal. Conversely, in the touch phase, the metal shielding line is used as the touch scanning line Tx, and the data line is used as the touch sensing line Rx, and the sensing signal is outputted at this time. Referring to FIG. 4, specifically, during the display time, the gate line scan line sequentially loads a scan signal for each of the screen lines Gatel, Gate2, one-gate Gate n-1, Gate n, and Gate n+1 in the touch screen (where n For an integer greater than 2, the gray line signal is loaded on the data line Data to output the display signal normally; during the touch time, the touch scan line Tx stops outputting the display signal, and forms a capacitance with the touch sensing line. The control sensing line Rx outputs a signal correspondingly, and the touch position is obtained by detecting the signal output by the touch sensing line Rx.
如图 5所示， 本发明所述的内嵌式触控显示面板的阵列基板制备掩膜曝 光流程为：  As shown in FIG. 5, the mask exposure process of the array substrate of the in-cell touch display panel of the present invention is as follows:
屏蔽金属层 51-低温多晶硅层 52-栅金属层 53、 57-绝缘保护层 54-源漏金 属层 511-树脂层 55、 56-公共驱动电极 512-钝化层 58-像素电极 513 ;  Shielding metal layer 51 - low temperature polysilicon layer 52 - gate metal layer 53, 57 - insulating protective layer 54 - source and drain metal layer 511 - resin layer 55, 56 - common driving electrode 512 - passivation layer 58 - pixel electrode 513;
所述屏蔽金属层 51形成了上述用作触控扫描线的屏蔽金属线，并且图中 源漏金属层 511形成了上述用作感应线的数据线。在所述屏蔽金属层 51和所 述低温多晶硅层 52之间设置有缓冲层 59;  The shield metal layer 51 forms the above-described shield metal wire used as a touch scan line, and the source/drain metal layer 511 forms the above-described data line serving as a sense line. A buffer layer 59 is disposed between the shielding metal layer 51 and the low temperature polysilicon layer 52;
所述屏蔽金属层 51被设置于玻璃基板 50上。  The shield metal layer 51 is disposed on the glass substrate 50.
在图 5中， 險图标记 510标识的为 Gate insulator (栅极保护层)； 所述绝缘保护层 54, )¾于连接源漏金属层 5U和低温多晶硅层 52， 同时 可以减小栅金属层和源漏金属层之间的电容； 所述树脂层 55、 56的作 是使 膜层平坦化， 并且可以减小像素电极和源漏金属层的电容 Cpd， 并—巨.通过过 孔连接源漏金属层和公共驱动电极；所述钝化层 58用于连接像素电极和公共 驱动电极。  In FIG. 5, the risk map mark 510 identifies a Gate insulator; the insulating protective layer 54, is connected to the source/drain metal layer 5U and the low temperature polysilicon layer 52, and can reduce the gate metal layer. And a capacitance between the source and drain metal layers; the resin layers 55, 56 are used to planarize the film layer, and can reduce the capacitance Cpd of the pixel electrode and the source/drain metal layer, and the connection source through the via hole a drain metal layer and a common drive electrode; the passivation layer 58 is for connecting the pixel electrode and the common drive electrode.
本发明还提供了一种显示装置， 包括上述的内嵌式触控显示面板。 所述 显示装置可以为： 液晶面板、 电子纸、 OLED面板、液晶电视、液晶显示器、 数码相框、 手机、 平板电脑等具有任何显示功能的产品或部件。 The present invention also provides a display device comprising the above-described in-cell touch display panel. The display device may be: a liquid crystal panel, an electronic paper, an OLED panel, a liquid crystal television, a liquid crystal display, A product or part with any display function, such as a digital photo frame, mobile phone, or tablet.
如图 6所示，本发明实施例所述的内嵌式触控显示面板的触摸定位方法， 应用于上述的内嵌式触控显示面板， 包括：  As shown in FIG. 6 , the touch positioning method of the in-cell touch display panel according to the embodiment of the present invention is applied to the in-cell touch display panel, and includes:
步骤 61 : 对触控扫描线加载触控扫描信号；  Step 61: loading a touch scan signal on the touch scan line;
步骤 62: 检测触控感应线通过感应电容耦合出的触控感应信号， 根据该 触控感应信号的变化以及所述感应电容的位置， 确定触摸位置信息。  Step 62: Detect the touch sensing signal coupled by the sensing sensing line through the sensing capacitor, and determine the touch position information according to the change of the touch sensing signal and the position of the sensing capacitor.
以上所述仅是本发明的优选实施方式， 应当指出， 对于本技术领域的普 通技术人员来说， 在不脱离本发明原理的前提下， 还可以做出若千改进和润 饰， 这些改进和润饰也应视本发明的保护范围。  The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and retouchings without departing from the principles of the present invention. The scope of protection of the invention should also be considered.

Claims

一种内嵌式触控显示面板， 包括阵列基板， 所述阵列基板上设置有相 互绝缘的多条屏蔽金属线和多条数据线， 其特征在于， 至少一条所述屏蔽金 属线还被设置为触控扫描线， 至少一条所述数据线还被设置为触控感应线， 并 An in-cell touch display panel includes an array substrate. A plurality of mutually insulated shielding metal lines and a plurality of data lines are provided on the array substrate. It is characterized in that at least one of the shielding metal lines is also provided as touch scanning lines, at least one of the data lines is also set as a touch sensing line, and
所述触控扫描线， 用于在触控阶段接收触控扫描信号； The touch scan line is used to receive touch scan signals during the touch stage;
所述触控感应线， 用于在触控阶段通过感应电容对所述触控扫描信号进 行耦合， 得到触摸感应信号并输出； The touch sensing line is used to couple the touch scanning signal through a sensing capacitor during the touch phase to obtain a touch sensing signal and output it;
所述感应电容形成于所述触控扫描线与所述触控感应线的异面相交处。 The sensing capacitor is formed at the intersection of the touch scanning line and the touch sensing line on different surfaces.
2、 如权利要求 1所述的内嵌式触控显示面板， 其特征在于， 还包括： 与 所述触控感应线连接的触控感应单元， 用于在触控阶段接收所述触控感应线 输出的触摸感应信号，检测该触摸感应信号的变化以及所述感应电容的位置， 丛而获得触摸位置信息。 2. The in-cell touch display panel according to claim 1, further comprising: a touch sensing unit connected to the touch sensing line, configured to receive the touch sensing during the touch phase. The touch sensing signal output by the line is detected, the change of the touch sensing signal and the position of the sensing capacitor are detected, and the touch position information is obtained.
3、 如权利要求 2所述的内嵌式触控显示面板， 其特征在于， 还包括： 设 置于所述触控感应线与所述触控感应单元之间的触控开关， 用于在触控阶段 导通所述触控感应线与所述触控感应单元之间的连接， 在显示阶段断开所述 触控感应线与所述触控感应单元之间的连接。 3. The in-cell touch display panel according to claim 2, further comprising: a touch switch disposed between the touch sensing line and the touch sensing unit, for The connection between the touch sensing line and the touch sensing unit is turned on during the control phase, and the connection between the touch sensing line and the touch sensing unit is disconnected during the display phase.
4、 如权利要求 3所述的内嵌式触控显示面板， 其特征在于， 所述触控开 关为薄膜晶体管。 4. The in-cell touch display panel according to claim 3, wherein the touch switch is a thin film transistor.
5、 如权利要求 1所述的内嵌式触控显示面板， 其特征在于， 还包括； 驱动集成芯片， ）¾于在显示阶段对所述触控感应线加载显示驱动信号； 以及， 驱动开关， 连接于所述触控感应线和所述驱动集成芯片之间， 用 于在触控阶段断开所述触控感应线和所述驱动集成芯片之间的连接， 在显示 阶段导通所述触控感应线和所述驱动集成芯片的连接。 5. The in-cell touch display panel according to claim 1, further comprising: a driving integrated chip, configured to load display driving signals on the touch sensing lines during the display stage; and, driving switches , connected between the touch sensing line and the driving integrated chip, used to disconnect the touch sensing line and the driving integrated chip during the touch phase, and conduct the connection during the display phase. The connection between the touch sensing line and the driver integrated chip.
6、 如权利要求 5所述的内嵌式触控显示面板， 其特征在于， 所述驱动开 关为薄膜晶体管。 6. The in-cell touch display panel according to claim 5, wherein the driving switch is a thin film transistor.
7、 如权利要求 1所述的内嵌式触控显示面板， 其特征在于， 还包括设置 于相邻的两条所述触控扫描线之间的虚拟扫描线； 所述虚拟扫描线包括至少 一条屏蔽金属线。 7. The in-cell touch display panel according to claim 1, further comprising a virtual scan line disposed between two adjacent touch scan lines; the virtual scan line includes at least A shielded metal wire.
8、 如权利要求〗所述的内嵌式触控显示面板， 其特征在于， 还包括设置 于相邻的两条所述触控感应线之间的虚拟感应线； 所述虚拟感应线包括至少 一条数据线。 8. The in-cell touch display panel according to claim 1, further comprising a virtual sensing line disposed between two adjacent touch sensing lines; the virtual sensing line includes at least A data line.
9、 一种内嵌式触控显示面板的触摸定位方法， 应用于如权利要求 1至 8 中任一权利要求所述的内嵌式触控显示面板， 包括： 9. A touch positioning method for an in-cell touch display panel, applied to the in-cell touch display panel as claimed in any one of claims 1 to 8, including:
对触控扫描线力口载触控扫描信号； Load the touch scan signal on the touch scan line;
检测触控感应线通过感应电容耦合出的触控感应信号， 根据该触控感应 信号的变化以及所述感应电容的位置， 确定触摸位置信息。 Detect the touch sensing signal coupled by the touch sensing line through the sensing capacitor, and determine the touch position information based on changes in the touch sensing signal and the position of the sensing capacitor.
10、 一种显示装置， 其特征在于， 包括如权利要求〗至 8中任一权利要 求所述的内嵌式触控显示面板。 10. A display device, characterized by comprising an in-cell touch display panel as claimed in any one of claims 1 to 8.
PCT/CN2014/075872 2013-12-06 2014-04-22 Embedded touch display panel, touch positioning method thereof, and display device WO2015081653A1 (en)

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