WO2014183395A1 - 电容式内嵌触摸屏及显示装置 - Google Patents

电容式内嵌触摸屏及显示装置 Download PDF

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Publication number
WO2014183395A1
WO2014183395A1 PCT/CN2013/087015 CN2013087015W WO2014183395A1 WO 2014183395 A1 WO2014183395 A1 WO 2014183395A1 CN 2013087015 W CN2013087015 W CN 2013087015W WO 2014183395 A1 WO2014183395 A1 WO 2014183395A1
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WIPO (PCT)
Prior art keywords
touch
touch sensing
sensing electrode
substrate
layer
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Ceased
Application number
PCT/CN2013/087015
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English (en)
French (fr)
Inventor
张甜
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.)
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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Application filed by BOE Technology Group Co Ltd, Chengdu BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to US14/357,921 priority Critical patent/US9547384B2/en
Publication of WO2014183395A1 publication Critical patent/WO2014183395A1/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
    • G06F3/0416—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 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing 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
    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • G06F3/04184—Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally

Definitions

  • Embodiments of the present invention relate to a capacitive in-cell touch screen and display device.
  • the Touch Screen Panel With the rapid development of display technology, the Touch Screen Panel has gradually spread throughout people's lives.
  • the touch screen can be divided into an add-on touch panel, an on-cell touch panel, and an in-cell touch panel.
  • the external touch screen is produced by separately separating the touch screen from the liquid crystal display (LCD), and then bonding them together to form a liquid crystal display with touch function.
  • the external touch screen has high production cost and low light transmittance.
  • the module is thick and so on.
  • the in-cell touch panel embeds the touch electrode of the touch screen inside the liquid crystal display, which can reduce the overall thickness of the module, and can greatly reduce the manufacturing cost of the touch screen, and is favored by various panel manufacturers.
  • the existing capacitive in-cell touch panel is directly added to the existing TFT (Thin Film Transistor) array substrate by directly adding a touch scan line and a touch sensing line.
  • Two strip-shaped electrodes intersecting each other on the surface of the TFT array substrate are formed.
  • the two electrodes are respectively used as a touch driving line and a touch sensing line of the touch screen, and mutual capacitance is formed at the intersection of the opposite faces of the two electrodes.
  • the working process is: when the touch driving signal is loaded on the electrode as the touch driving line, detecting the voltage signal that the touch sensing line is coupled through the mutual capacitance, in the process, when the human body touches the touch screen, the human body electric field It will act on the mutual capacitance, change the capacitance value of the mutual capacitance, and then change the voltage signal coupled by the touch sensing line. According to the change of the voltage signal, the contact position can be determined.
  • the touch signals added by the touch scan lines and the touch sensing lines in the existing TFT array substrate interfere with the original display signals in the TFT array substrate. It not only affects the quality of the liquid crystal display, but also reduces the reliability of the touch operation. Summary of the invention
  • the embodiment of the invention provides a capacitive in-cell touch panel and a display device for solving the problem that the display signal and the touch signal interfere with each other in the existing in-cell touch panel.
  • a capacitive in-cell touch panel provided by the embodiment of the present invention includes: a facing substrate, an array substrate, and a liquid crystal layer between the opposite substrate and the array substrate; the opposite substrate faces the liquid crystal layer Providing a transparent touch sensing structure layer on one side, the touch sensing structure layer comprising: a first touch sensing electrode and a second touch sensing electrode disposed in the same layer and insulated from each other; sensing the first touch One of the electrode and the second touch sensing electrode loads a touch scan signal, and the other of the first touch sensing electrode and the second touch sensing electrode couples the touch scan signal and outputs.
  • a display device includes a capacitive in-cell touch panel provided by an embodiment of the invention.
  • FIG. 1 is a schematic structural diagram of a capacitive in-cell touch panel according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a touch sensing structure layer in a capacitive in-cell touch panel according to an embodiment of the present invention
  • FIG. 3 is a top plan view of an array substrate in a capacitive in-cell touch panel according to an embodiment of the present invention.
  • a capacitive in-cell touch panel provided by the embodiment of the present invention, as shown in FIG. 1, includes: a counter substrate 01, an array substrate 02, and a liquid crystal layer 03 between the opposite substrate 01 and the array substrate 02; a counter substrate 01 has a transparent touch sensing structure layer 04 on one side facing the liquid crystal layer 03.
  • the touch sensing structure layer 04 includes: a first touch sensing electrode 041 and a second touch sensing electrode 042 which are disposed in the same layer and are insulated from each other.
  • the first touch sensing electrode 041 is loaded with a touch scan signal
  • the second touch sensing electrode 042 is coupled to the touch scan signal and output
  • the second touch sensing electrode 042 is loaded with a touch scan signal
  • the first touch sensing electrode 041 couples the touch scan signal and outputs it.
  • the first touch sensing electrode 041 may be a touch sensing electrode (Rx, receive ), and the second touch sensing electrode 042 is correspondingly a touch driving electrode (Tx, Transport ); otherwise, the first touch sensing electrode 041 may also be a touch The driving electrode ⁇ , the second touch sensing electrode 042 is correspondingly the touch sensing electrode Rx, which is not limited herein. And, the first touch sensing electrode 041 and the second touch The sensing electrode 042 may be made of a material such as a transparent conductive material such as indium tin oxide (ITO), which will not be described herein.
  • ITO indium tin oxide
  • the touch screen provided by the embodiment of the present invention can prevent the touch signal from interfering with the display signal in the array substrate 02, because the touch sensing structure layer 04 that implements the touch is disposed on the opposite substrate 01 away from the array substrate 02.
  • the quality of the liquid crystal display screen enhances the reliability of the touch operation.
  • the first touch sensing electrode 041 and the second touch sensing electrode 042 are disposed in the same layer, and two strips are formed opposite to each other with respect to each other.
  • the electrode acts as a touch sensing structure layer, and the structure is relatively simple, which can shorten the preparation process steps and reduce the production cost.
  • the touch screen provided by the embodiment of the present invention can be applied to the structure in which the color filter 05 is disposed on the opposite substrate 01 opposite to the array substrate 02 (for example, the opposite substrate 01). It is a color filter substrate) in which each color filter 05 is separated from each other by a black matrix 06.
  • the above-mentioned touch screen can also be applied to the structure in which the color filter is disposed in the array substrate, which is not limited herein.
  • the touch screen provided by the embodiment of the present invention will be described below by taking the structure in which the opposite substrate 01 is a color filter substrate as an example.
  • the touch sensing structure layer 04 in the touch screen provided by the embodiment of the present invention may be located between the substrate substrate of the opposite substrate 01 and the black matrix 06, or as shown in FIG. 1, the black matrix 06 located on the opposite substrate 01 faces the liquid crystal.
  • One side of the layer 03 is not limited herein.
  • a flat layer 07 is further disposed between the black matrix 06 and the touch sensing structure layer 04.
  • the flat layer 07 disposed between the black matrix 06 and the touch sensing structure layer 04 can fill the black matrix 06
  • the thickness difference between each of the color filters 05 makes the touch sensing structure layer 04 prepared on the flat layer 07 relatively smooth.
  • the flat layer 07 disposed between the black matrix 06 and the touch sensing structure layer 04 can be filled in the touch sensing structure layer 04.
  • the difference in thickness of the position is such that the black matrix 06 and the color filter 05 prepared on the flat layer 07 are relatively on the same horizontal plane.
  • the black matrix 06 formed on the opposite substrate 01 generally has an open area arranged in a matrix, and a color filter 05 is disposed at each open area.
  • the open area is opposite to the effective display area of each pixel unit in the array substrate 02.
  • the first touch sensing electrodes 041 formed on the opposite substrate 01 may extend along the column direction of the opening region, and the second touch sensing electrodes 042 may extend along the row direction of the opening regions, that is, on the opposite substrate 01
  • the first touch sensing electrode 041 is aligned with the wiring direction of the data signal line in the array substrate 02, and the wiring direction of the gate signal line in the second touch sensing electrode 042 and the array substrate 02 disposed on the opposite substrate 01 Consistent.
  • the first touch sensing electrodes 041 formed on the opposite substrate 01 may extend along the row direction of the opening region, and the second touch sensing electrodes 042 may extend along the column direction of the opening regions, that is, in the opposite substrate 01
  • the first touch sensing electrodes 041 disposed thereon are aligned with the wiring direction of the gate signal lines in the array substrate 02, and the second touch sensing electrodes 042 and the data signal lines in the array substrate 02 disposed on the opposite substrate 01
  • the wiring direction is the same.
  • the extending directions of the first touch sensing electrodes 041 and the second touch sensing electrodes 042 disposed on the opposite substrate 01 may also be along other directions, which are not limited herein.
  • each of the first touch sensing electrodes 041 extends along the column direction of the opening region
  • each of the second touch sensing electrodes 042 extends along the row direction of the opening region as an example.
  • the first touch sensing electrode 041 and the second touch sensing electrode 042 need to be disposed in the same layer and insulated from each other.
  • the metal layer such as a bridge is not additionally added. As shown in FIG.
  • the first touch sensing electrode 041 and the second touch sensing electrode 042 may be disposed as a finger electrode structure, for example,
  • Each of the first touch sensing electrodes 041 is disposed in a vertical direction as a tree-shaped sub-electrode 0422 is guided by wires to an edge of the opposite substrate for subsequent contact with a flexible circuit board (FPC) on the array substrate
  • FPC flexible circuit board
  • the control driver IC chip is connected. It is of course possible to use other graphics to design the wiring manner of each of the first touch sensing electrodes 041 and the second touch sensing electrodes 042 in the touch sensing structure layer 04, which will not be described in detail herein.
  • the above touch screen provided by the embodiment of the present invention can be applied to various modes of the liquid crystal display panel, and can be applied, for example, to an in-plane switch (IPS, In-Plane Switch) and an advanced super-dimensional field switch capable of realizing a wide viewing angle.
  • IPS In-Plane Switch
  • ADS Advanced Super Dimension Switch
  • the (ADS, Advanced Super Dimension Switch) type liquid crystal display panel can also be applied to a conventional TN (Twisted Nematic) type liquid crystal display panel, which is not limited herein.
  • the common electrode layer in the color filter substrate can be omitted, and the time sharing driving is adopted, and the common electrode is multiplexed by the touch sensing electrode prepared by the transparent conductive material.
  • the function of the layer is the same.
  • the time when the touch screen displays each frame is divided into a display time period (Display) and a touch time period (Touch).
  • Display display time period
  • Touch touch time period
  • the time for displaying one frame of the touch screen is 16.7 ms, and 5 ms is selected as the touch time period, and the other 11.7 ms is used as the display time period.
  • the duration of the two chips can be appropriately adjusted according to the processing capability of the IC chip. Make specific limits.
  • the first touch sensing electrode and the second touch sensing electrode are respectively loaded with a common electrode signal, and the touch sensing structure layer is used as a common electrode, and an electric field is formed with the pixel electrode on the array substrate to control the liquid crystal rotation. .
  • the first touch sensing electrode is loaded with the touch scan signal
  • the second touch sensing electrode is coupled to the touch scan signal and output
  • the second touch sensing electrode is loaded with the touch scan signal
  • the first touch The sensing electrode couples the touch scan signal and outputs it.
  • the time division driving may also be adopted, which is advantageous for reducing mutual interference between the touch signal and the display signal.
  • the touch driving IC chip for controlling each of the first touch sensing electrodes and the second touch sensing electrodes in the touch sensing structure layer may be separated from the display driving IC chip for controlling the liquid crystal display.
  • the setting can reduce the difficulty in manufacturing the driver IC chip and reduce the interference between the touch and the display.
  • the sealant can be sealed on the edges of the opposite substrate 01 and the array substrate 02.
  • the conductive ball 09 is disposed in 08; and the connection terminal 10 of the touch driving chip is disposed in the ineffective display area of the array substrate 02.
  • the first touch sensing electrode 041 and the second touch sensing electrode 042 in the touch sensing structure layer 04 can be connected to the connection terminal 10 of the touch driving chip through the conductive ball 09, and can be in the touch driving chip.
  • the flexible circuit board (FPC) of the touch driving IC chip is connected to the connection terminal 10 to realize the touch driving.
  • the touch driving IC chip 11 for realizing touch and the display driving IC chip 12 for realizing display can be separately disposed on the array substrate 02.
  • connection terminals of the touch chip may be disposed in the same layer as the pixel electrode or the common electrode (ADS type) in the array substrate to reduce the patterning process.
  • an embodiment of the present invention further provides a display device, including the above-mentioned capacitive in-cell touch panel provided by the embodiment of the present invention.
  • a display device including the above-mentioned capacitive in-cell touch panel provided by the embodiment of the present invention.
  • the display device refer to the embodiment of the capacitive in-cell touch panel described above, I won't go into details here.
  • the embodiment of the present invention provides a capacitive in-cell touch panel and a display device.
  • a transparent touch sensing structure layer is disposed on a side of the opposite substrate facing the liquid crystal layer opposite to the array substrate, and the touch sensing structure layer includes: The first touch sensing electrodes and the second touch sensing electrodes are disposed in layers and insulated from each other. Since the touch sensing structure layer that implements the touch is disposed on the opposite substrate away from the array substrate, the touch signals can be prevented from interfering with the display signals in the array substrate, thereby ensuring the quality of the liquid crystal display image and enhancing the touch. Control the reliability of the operation.
  • the first touch sensing electrode and the second touch sensing electrode are disposed in the same layer, and the strip electrodes are respectively formed as two touch electrodes which are mutually oppositely intersected as the touch sensing
  • the structural layer and the structure are relatively simple, which can shorten the preparation process steps and reduce the production cost.

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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)
  • Liquid Crystal (AREA)
  • Position Input By Displaying (AREA)

Abstract

本发明的实施例公开了一种电容式内嵌触摸屏及显示装置，在与阵列基板相对的对向基板面向液晶层的一侧设置透明的触摸感测结构层，该触摸感测结构层包括同层设置且相互绝缘的第一触摸感测电极与第二触摸感测电极，对所述第一触摸感测电极和所述第二触摸感测电极中的一个加载触控扫描信号，所述第一触摸感测电极和所述第二触摸感测电极中的另一个耦合所述触控扫描信号并输出。将触摸感测结构层设置在远离阵列基板的对向基板上，可以避免触控信号与阵列基板中的显示信号相互干扰。

Description

电容式内嵌触摸屏及显示装置 技术领域
本发明的实施例涉及一种电容式内嵌触摸屏及显示装置。
背景技术
随着显示技术的飞速发展， 触摸屏（ Touch Screen Panel ) 已经逐渐遍及 人们的生活中。 目前，触摸屏按照组成结构可以分为：外挂式触摸屏（Add on Mode Touch Panel )、 覆盖表面式触摸屏 ( On Cell Touch Panel )、 以及内嵌式 触摸屏（ In Cell Touch Panel )。外挂式触摸屏是将触摸屏与液晶显示屏（ Liquid Crystal Display, LCD )分开生产， 然后贴合到一起成为具有触摸功能的液晶 显示屏，外挂式触摸屏存在制作成本较高、光透过率较低、模组较厚等缺点。 而内嵌式触摸屏将触摸屏的触控电极内嵌在液晶显示屏内部， 可以减薄模组 整体的厚度， 又可以大大降低触摸屏的制作成本， 受到各大面板厂家青睐。
目前， 现有的电容式内嵌（ In cell )触摸屏是在现有的 TFT ( Thin Film Transistor, 薄膜场效应晶体管）阵列基板上直接另外增加触控扫描线和触控 感应线实现的， 即在 TFT 阵列基板的表面制作两层相互异面相交的条状电 极。 这两层电极分别作为触摸屏的触控驱动线和触控感应线， 在两条电极的 异面相交处形成互电容。 它的工作过程为： 在对作为触控驱动线的电极加载 触控驱动信号时， 检测触控感应线通过互电容耦合出的电压信号， 在此过程 中， 当有人体接触触摸屏时， 人体电场就会作用在互电容上， 使互电容的电 容值发生变化， 进而改变触控感应线耦合出的电压信号， 根据电压信号的变 化， 就可以确定触点位置。
在上述电容式内嵌触摸屏的结构设计中，在现有的 TFT阵列基板中增加 的触控扫描线和触控感应线加载的触控信号，会与 TFT阵列基板中原有的显 示信号相互干扰， 既影响了液晶显示画面的品质， 又降低了触控操作的可靠 性。 发明内容
本发明实施例提供了一种电容式内嵌触摸屏及显示装置， 用以解决现有 的内嵌式触摸屏中显示信号与触控信号相互干扰的问题。
本发明实施例提供的一种电容式内嵌触摸屏， 包括： 对向基板、 阵列基 板以及位于所述对向基板与所述阵列基板之间的液晶层； 所述对向基板面向 所述液晶层的一侧设置透明的触摸感测结构层， 所述触摸感测结构层包括： 同层设置且相互绝缘的第一触摸感测电极与第二触摸感测电极； 对所述第一 触摸感测电极和所述第二触摸感测电极中的一个加载触控扫描信号， 所述第 一触摸感测电极和所述第二触摸感测电极中的另一个耦合所述触控扫描信 号并输出。
本发明实施例提供的一种显示装置， 包括本发明实施例提供的电容式内 嵌触摸屏。
附图说明
为了更清楚地说明本发明实施例的技术方案， 下面将对实施例的附图作 筒单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例， 而非对本发明的限制。
图 1为本发明实施例提供的电容式内嵌触摸屏的结构示意图；
图 2为本发明实施例提供的电容式内嵌触摸屏中的触摸感测结构层的结 构示意图；
图 3为本发明实施例提供的电容式内嵌触摸屏中的阵列基板的俯视示意 图。
具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合本发 明实施例的附图，对本发明实施例的技术方案进行清楚、完整地描述。显然， 所描述的实施例是本发明的一部分实施例， 而不是全部的实施例。 基于所描 述的本发明的实施例，本领域普通技术人员在无需创造性劳动的前提下所获 得的所有其他实施例， 都属于本发明保护的范围。
除非另作定义， 此处使用的技术术语或者科学术语应当为本发明所属领 域内具有一般技能的人士所理解的通常意义。本发明专利申请说明书以及权 利要求书中使用的 "第一"、 "第二" 以及类似的词语并不表示任何顺序、 数 量或者重要性， 而只是用来区分不同的组成部分。 同样， "一个" 或者 "一" 等类似词语也不表示数量限制， 而是表示存在至少一个。 "包括" 或者 "包 含" 等类似的词语意指出现在 "包括" 或者 "包含" 前面的元件或者物件涵 盖出现在 "包括" 或者 "包含" 后面列举的元件或者物件及其等同， 并不排 除其他元件或者物件。 "连接" 或者 "相连" 等类似的词语并非限定于物理 的或者机械的连接， 而是可以包括电性的连接， 不管是直接的还是间接的。 "上"、 "下"、 "左"、 "右" 等仅用于表示相对位置关系， 当被描述对象的绝 对位置改变后， 则该相对位置关系也可能相应地改变。
附图中各层薄膜厚度和形状不反映真实比例， 目的只是示意说明本发明 实施例的内容。
本发明实施例提供的一种电容式内嵌触摸屏， 如图 1所示， 包括： 对向 基板 01、阵列基板 02以及位于对向基板 01与阵列基板 02之间的液晶层 03; 对向基板 01面向液晶层 03的一侧具有透明的触摸感测结构层 04。该触 摸感测结构层 04如图 2所示， 包括： 同层设置且相互绝缘的第一触摸感测 电极 041与第二触摸感测电极 042。 对第一触摸感测电极 041加载触控扫描 信号， 第二触摸感测电极 042耦合触控扫描信号并输出， 或对第二触摸感测 电极 042加载触控扫描信号， 第一触摸感测电极 041耦合触控扫描信号并输 出。
第一触摸感测电极 041可以是触摸感应电极（Rx, receive ), 第二触摸 感测电极 042对应地是触摸驱动电极（Tx, Transport ); 反之， 第一触摸感 测电极 041也可以是触摸驱动电极 Τχ , 第二触摸感测电极 042对应地是触 摸感应电极 Rx, 在此不做限定。 并且， 第一触摸感测电极 041和第二触摸 感测电极 042可以采用诸如氧化铟锡（ITO ) 的透明导电材料等材料制作， 在此不作赘述。
本发明实施例提供的触摸屏由于将实现触控的触摸感测结构层 04设置 在远离阵列基板 02的对向基板 01上， 可以避免触控信号与阵列基板 02中 的显示信号相互干扰， 既保证了液晶显示画面的品质， 又增强了触控操作的 可靠性。 并且， 在对向基板 01上设置的触摸感测结构层 04中， 第一触摸感 测电极 041与第二触摸感测电极 042同层设置，相对于分别制作两层相互异 面相交的条状电极作为触摸感测结构层， 结构相对筒单， 能缩短制备工艺步 骤， 减低生产成本。
具体地， 例如， 本发明实施例提供的上述触摸屏， 如图 1所示， 可以应 用于彩色滤光片 05设置在与阵列基板 02相对的对向基板 01的结构中 （例 如， 对向基板 01是彩膜基板）， 其中各彩色滤光片 05通过黑矩阵 06相互隔 开。当然，上述触摸屏也可以应用于彩色滤光片设置在阵列基板中的结构中， 在此不做限定。 下面都是以对向基板 01 为彩膜基板的结构为例对本发明实 施例提供的上述触摸屏进行说明。
本发明实施例提供的触摸屏中的触摸感测结构层 04可以位于对向基板 01的村底基板与黑矩阵 06之间，或如图 1所示，位于对向基板 01的黑矩阵 06面向液晶层 03的一侧， 在此不做限定。
进一步地， 在对向基板 01上， 黑矩阵 06与触摸感测结构层 04之间还 会设置有平坦层 07。 如图 1所示， 将触摸感测结构层 04设置在黑矩阵 06 面向液晶层 03—侧时， 在黑矩阵 06与触摸感测结构层 04之间设置的平坦 层 07可以填平黑矩阵 06与各彩色滤光片 05之间的厚度差， 使在平坦层 07 上制备的触摸感测结构层 04相对平滑。将触摸感测结构层 04设置在村底基 板与黑矩阵之间时，在黑矩阵 06与触摸感测结构层 04之间设置的平坦层 07 可以填平触摸感测结构层 04中构图后各位置的厚度差，使在平坦层 07上制 备的黑矩阵 06和彩色滤光片 05相对在同一水平面上。 具体地， 例如， 在本发明实施例提供的上述触摸屏中， 在对向基板 01 上形成的黑矩阵 06—般都具有呈矩阵排列的开口区域， 在各开口区域处设 置彩色滤光片 05。 该开口区域与阵列基板 02中各像素单元的有效显示区域 相对。 在对向基板 01上形成的第一触摸感测电极 041可以沿着开口区域的 列方向延伸， 第二触摸感测电极 042可以沿着开口区域的行方向延伸， 即在 对向基板 01上布置的第一触摸感测电极 041与阵列基板 02中的数据信号线 的布线方向一致， 在对向基板 01上布置的第二触摸感测电极 042与阵列基 板 02中的栅极信号线的布线方向一致。 或者， 在对向基板 01上形成的第一 触摸感测电极 041可以沿着开口区域的行方向延伸， 第二触摸感测电极 042 可以沿着开口区域的列方向延伸， 即在对向基板 01上布置的第一触摸感测 电极 041与阵列基板 02中的栅极信号线的布线方向一致，在对向基板 01上 布置的第二触摸感测电极 042与阵列基板 02中的数据信号线的布线方向一 致。 当然， 在对向基板 01上布置的第一触摸感测电极 041和第二触摸感测 电极 042的延伸方向也可以沿着其他方向， 在此不做限定。
下面以各第一触摸感测电极 041沿着开口区域的列方向延伸，各第二触 摸感测电极 042沿着开口区域的行方向延伸为例进行说明。
具体地， 例如， 本发明实施例提供的触摸屏中为了保证触摸感测结构层 为单层， 即第一触摸感测电极 041与第二触摸感测电极 042之间需要同层设 置且相互绝缘， 不另外增加诸如搭桥的金属层， 如图 2所示， 在设计触摸感 测结构层 04时， 可以将第一触摸感测电极 041与第二触摸感测电极 042设 置为插指电极结构， 例如将各第一触摸感测电极 041在竖直方向上设置为树 个块状子电极 0422通过导线引导至对向基板的边缘处， 以便后续和阵列基 板上的柔性电路板（FPC )上的触控驱动 IC芯片相连接。 当然还可以采用其 他图形设计触摸感测结构层 04中的各第一触摸感测电极 041和第二触摸感 测电极 042的布线方式， 在此不做详述。 具体地， 例如， 本发明实施例提供的上述触摸屏可以适用于各种模式的 液晶显示面板，例如可以适用于能够实现宽视角的平面内开关（IPS , In-Plane Switch )和高级超维场开关（ADS, Advanced Super Dimension Switch )型液 晶显示面板， 也可以适用于传统的扭曲向列 （TN, Twisted Nematic )型液晶 显示面板， 在此不做限定。
在采用 TN型液晶显示面板制备本发明实施例提供的上述触摸屏时， 可 以省去彩膜基板中的公共电极层， 采取分时驱动， 利用由透明导电材料制备 的触摸感测电极复用公共电极层的功能。
首先， 将触摸屏显示每一帧（V-sync )的时间分成显示时间段（Display ) 和触控时间段（Touch )。 例如触摸屏的显示一帧的时间为 16.7ms, 选取其中 5ms作为触控时间段， 其他的 11.7ms作为显示时间段， 当然也可以根据 IC 芯片的处理能力适当地调整两者的时长， 在此不做具体限定。
在显示时间段，对第一触摸感测电极和第二触摸感测电极分别加载公共 电极信号， 此时触摸感测结构层作为公共电极使用， 和阵列基板上的像素电 极形成电场， 控制液晶旋转。
在触控时间段， 对第一触摸感测电极加载触控扫描信号， 第二触摸感测 电极耦合触控扫描信号并输出， 或对第二触摸感测电极加载触控扫描信号， 第一触摸感测电极耦合所述触控扫描信号并输出。
进一步地， 在采用 IPS或 ADS型液晶显示面板制备本发明实施例提供 的上述触摸屏时， 也可以采取分时驱动， 这样有利于减少触控信号与显示信 号之间的相互干扰。
进一步地， 本发明实施例提供的触摸屏中， 控制触摸感测结构层中各第 一触摸感测电极和第二触摸感测电极的触控驱动 IC芯片可以和控制液晶显 示的显示驱动 IC芯片分开设置， 这样可以减少驱动 IC芯片的制作难度， 并 且减少触控和显示之间的干扰。
如图 1所示， 可以在密封连接对向基板 01和阵列基板 02边缘的封框胶 08内设置导电球 09; 并且， 在阵列基板 02的非有效显示区域设置触控驱动 芯片的连接端子 10。 这样， 触摸感测结构层 04中的第一触摸感测电极 041 和第二触摸感测电极 042就可以通过导电球 09连接至触控驱动芯片的连接 端子 10, 并且，可以在触控驱动芯片的连接端子 10处绑定触控驱动 IC芯片 的柔性电路板（FPC )实现触控驱动。 如图 3所示， 实现触控的触控驱动 IC 芯片 11和实现显示的显示驱动 IC芯片 12在阵列基板 02上可以分开设置。
在制备阵列基板时， 可以将触控芯片的连接端子与阵列基板中的像素电 极或公共电极（ADS型） 同层设置， 以减少构图工艺。
基于同一发明构思， 本发明实施例还提供了一种显示装置， 包括本发明 实施例提供的上述电容式内嵌触摸屏，该显示装置的实施可以参见上述电容 式内嵌触摸屏的实施例， 重复之处不再赘述。
本发明实施例提供的一种电容式内嵌触摸屏及显示装置，在与阵列基板 相对的对向基板面向液晶层的一侧设置透明的触摸感测结构层， 该触摸感测 结构层包括： 同层设置且相互绝缘的第一触摸感测电极与第二触摸感测电 极。 由于将实现触控的触摸感测结构层设置在远离阵列基板的对向基板上， 可以避免触控信号与阵列基板中的显示信号相互干扰， 既保证了液晶显示画 面的品质， 又增强了触控操作的可靠性。 并且在对向基板上设置的触摸感测 结构层中， 第一触摸感测电极与第二触摸感测电极同层设置， 相对于分别制 作两层相互异面相交的条状电极作为触摸感测结构层， 结构相对筒单， 能缩 短制备工艺步骤， 减低生产成本。 发明的精神和范围。 这样， 倘若本发明的这些修改和变型属于本发明权利要 求及其等同技术的范围之内， 则本发明也意图包含这些改动和变型在内。

Claims

权利要求书
1、 一种电容式内嵌触摸屏， 包括： 对向基板、 阵列基板以及位于所述 对向基板与所述阵列基板之间的液晶层， 其中所述对向基板面向所述液晶层 的一侧设置透明的触摸感测结构层， 所述触摸感测结构层包括： 同层设置且 相互绝缘的第一触摸感测电极与第二触摸感测电极； 对所述第一触摸感测电 极和所述第二触摸感测电极中的一个加载触控扫描信号， 所述第一触摸感测 电极和所述第二触摸感测电极中的另一个耦合所述触控扫描信号并输出。
2、 如权利要求 1所述的触摸屏， 其中， 所述触摸感测结构层位于所述 对向基板的村底基板与黑矩阵之间，或位于所述对向基板的黑矩阵面向所述 液晶层的一侧。
3、 如权利要求 2所述的触摸屏， 其中， 所述黑矩阵与所述触摸感测结 构层之间具有平坦层。
4、 如权利要求 1-3 任一项所述的触摸屏， 其中， 所述对向基板的黑矩 阵具有呈矩阵排列的开口区域；
所述第一触摸感测电极沿着开口区域的行方向延伸， 所述第二触摸感测 电极沿着开口区域的列方向延伸， 或所述第二触控感测电极沿着开口区域的 行方向延伸， 所述第一触控感测电极沿着开口区域的列方向延伸。
5、 如权利要求 1-4任一项所述的触摸屏， 其中， 所述第一触摸感测电 极与所述第二触摸感测电极形成插指电极结构。
6、 如权利要求 1-5 任一项所述的触摸屏， 还包括密封连接所述对向基 板和所述阵列基板边缘的封框胶， 所述封框胶内具有导电球；
在所述阵列基板的非有效显示区域设置的触控驱动芯片的连接端子； 其中所述触摸感测结构层中的所述第一触摸感测电极和所述第二触摸 感测电极通过所述导电球连接至所述触控驱动芯片的连接端子。
7、 如权利要求 6所述的触摸屏， 其中， 所述触控芯片的连接端子与阵 列基板中的像素电极或公共电极同层设置。
8、 如权利要求 1-5任一项所述的触摸屏， 其中， 所述触摸感测电极组 成公共电极层；
在显示时间段，对所述第一触摸感测电极和所述第二触摸感测电极分别 加载公共电极信号；
在触控时间段，对所述第一触摸感测电极和所述第二触摸感测电极中的 一个加载触控扫描信号， 所述第一触摸感测电极和所述第二触摸感测电极中 的另一个耦合所述触控扫描信号并输出。
9、 如权利要求 1-8任一项所述的触摸屏， 其中所述阵列基板上设置有 触控驱动 IC芯片和显示驱动 IC芯片。
10、 一种显示装置， 包括如权利要求 1-9任一项所述的电容式内嵌触摸 屏。
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