WO2016101292A1 - 一种触控液晶显示面板及触控液晶显示装置 - Google Patents

一种触控液晶显示面板及触控液晶显示装置 Download PDF

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Publication number
WO2016101292A1
WO2016101292A1 PCT/CN2014/095304 CN2014095304W WO2016101292A1 WO 2016101292 A1 WO2016101292 A1 WO 2016101292A1 CN 2014095304 W CN2014095304 W CN 2014095304W WO 2016101292 A1 WO2016101292 A1 WO 2016101292A1
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WO
WIPO (PCT)
Prior art keywords
touch
liquid crystal
layer
crystal display
common electrode
Prior art date
Application number
PCT/CN2014/095304
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English (en)
French (fr)
Inventor
谢剑星
黄耀立
黄俊宏
Original Assignee
深圳市华星光电技术有限公司
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US14/416,279 priority Critical patent/US20160188030A1/en
Publication of WO2016101292A1 publication Critical patent/WO2016101292A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • 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
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • 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
    • G06F3/0443—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; 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
    • G06F3/047—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using sets of wires, e.g. crossed wires
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a touch liquid crystal display panel and a touch liquid crystal display device.
  • capacitive touch screens are widely used in various electronic products, such as: smart phones, tablet computers and other products.
  • the existing capacitive touch screen structure has an external capacitive screen and an embedded capacitive screen.
  • people have been pursuing an increasingly thin and light user experience, which has prompted OGS, On cell, In cell three technologies compete for the situation, and In cell can achieve better than OGS, On because of the unique advantages in the process
  • the cell is lighter and lighter, so in order to meet the needs of customers, In cell is bound to become the mainstream of the future capacitive screen.
  • the traditional Full since the touch line and the sensing line are insulated, the touch line and the sensing line need to be disposed in different layers. Therefore, it is necessary to use a hole to connect the touch line to the sensing line, resulting in a process. The structure is complicated and the yield of the process is low.
  • An object of the present invention is to provide a touch liquid crystal display panel and a touch liquid crystal display device, which have a simple structure, thereby improving process yield and reducing production cost.
  • a touch liquid crystal display panel wherein the touch liquid crystal display panel comprises:
  • TFT array layer disposed above the first substrate
  • a common electrode layer disposed above the TFT array layer, the common electrode layer having a plurality of array-distributed common electrodes;
  • a touch layer disposed on the common electrode layer for receiving a touch signal
  • a dielectric layer disposed above the touch layer for isolating the common electrode layer and the pixel electrode layer;
  • a pixel electrode layer disposed above the dielectric layer
  • the second substrate disposed above the liquid crystal layer, the second substrate having a black matrix
  • the touch layer includes a plurality of touch lines, and the touch lines are connected to corresponding common electrodes; the touch lines include a horizontal trace and a longitudinal trace, wherein the horizontal traces and Correspondingly, the common electrode is electrically connected, and the longitudinal trace is electrically connected to the driving circuit; the touch line on the touch layer is disposed opposite to the black matrix on the second substrate.
  • the control circuit when the touch liquid crystal display panel is used for display, the control circuit provides a common signal to the common electrode through the touch line.
  • the control circuit when the touch liquid crystal display panel is used for touch, the control circuit provides a driving signal to the common electrode through the touch line, and receives the Touch signal on the common electrode.
  • a touch liquid crystal display panel, the touch liquid crystal display panel includes:
  • TFT array layer disposed above the first substrate
  • a common electrode layer disposed above the TFT array layer, the common electrode layer having a plurality of array-distributed common electrodes;
  • a touch layer disposed on the common electrode layer for receiving a touch signal
  • a dielectric layer disposed above the touch layer for isolating the common electrode layer and the pixel electrode layer;
  • a pixel electrode layer disposed above the dielectric layer
  • the second substrate disposed above the liquid crystal layer, the second substrate having a black matrix
  • the touch layer includes a plurality of touch lines, and the touch lines are connected to corresponding common electrodes.
  • the touch line includes a lateral trace and a longitudinal trace, wherein the lateral trace is electrically connected to the corresponding common electrode,
  • the longitudinal trace is electrically connected to the drive circuit.
  • the touch lines on the touch layer are disposed opposite to the black matrix on the second substrate.
  • the control circuit when the touch liquid crystal display panel is used for display, the control circuit provides a common signal to the common electrode through the touch line.
  • the control circuit when the touch liquid crystal display panel is used for touch, the control circuit provides a driving signal to the common electrode through the touch line, and receives the public Touch signal on the electrode.
  • a touch liquid crystal display device includes a touch liquid crystal display panel and a backlight module, wherein the touch liquid crystal display panel is disposed relative to the backlight module; wherein the touch liquid crystal display
  • the display panel includes:
  • TFT array layer disposed above the first substrate
  • a common electrode layer disposed above the TFT array layer, the common electrode layer having a plurality of array-distributed common electrodes;
  • a touch layer disposed on the common electrode layer for receiving a touch signal
  • a dielectric layer disposed above the touch layer for isolating the common electrode layer and the pixel electrode layer;
  • a pixel electrode layer disposed above the dielectric layer
  • the second substrate disposed above the liquid crystal layer, the second substrate having a black matrix
  • the touch layer includes a plurality of touch lines, and the touch lines are connected to corresponding common electrodes.
  • the touch line includes a lateral trace and a longitudinal trace, wherein the lateral trace is electrically connected to the corresponding common electrode,
  • the longitudinal trace is electrically connected to the drive circuit.
  • the touch line on the touch layer is disposed opposite to a black matrix on the second substrate.
  • the control circuit when the touch liquid crystal display panel is used for display, the control circuit provides a common signal to the common electrode through the touch line.
  • the control circuit when the touch liquid crystal display panel is used for touch, the control circuit provides a driving signal to the common electrode through the touch line, and receives the public Touch signal on the electrode.
  • the touch liquid crystal display panel and the touch liquid crystal display device provided by the present invention Compared with the prior art, the touch liquid crystal display panel and the touch liquid crystal display device provided by the present invention, because the touch layer and the common electrode layer are disposed in the same layer, that is, the touch line of the touch layer is disposed on the common electrode. And connecting the touch line to the common electrode of the common electrode layer, so that when the touch liquid crystal display panel is used for display, the control circuit provides a common signal to the common electrode through the touch line When the touch liquid crystal display panel is used for touch, the control circuit provides a driving signal to the common electrode through the touch line, and receives a touch signal on the common electrode.
  • the touch liquid crystal display panel and the touch liquid crystal display device provided by the invention have a simple structure, thereby improving the process yield and reducing the production cost.
  • FIG. 1 is a schematic structural diagram of a touch liquid crystal display panel according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a common electrode layer according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a touch line trace according to an embodiment of the present invention.
  • FIG. 4 is another schematic structural diagram of a common electrode layer according to an embodiment of the present invention.
  • the touch layer is disposed on the same layer as the common electrode layer, that is, the touch line of the touch layer is disposed on the common electrode layer, and the touch line and the common electrode layer are The common electrode is connected, so that when the touch liquid crystal display panel is used for display, the control circuit provides a common signal to the common electrode through the touch line; when the touch liquid crystal display panel is used for touch, the control circuit Providing a driving signal to the common electrode through the touch line and receiving a touch signal on the common electrode.
  • the touch liquid crystal display panel provided by the invention has a simple structure, thereby improving the process yield and reducing the production cost.
  • FIG. 1 is a schematic structural diagram of a touch liquid crystal display panel according to an embodiment of the present invention; for convenience of description, only parts related to the embodiment of the present invention are shown.
  • the touch liquid crystal display panel includes a first substrate 101, a TFT array layer 102, a common electrode layer 103, a touch layer 104, a dielectric layer 105, a pixel electrode layer 106, and a liquid crystal layer 107. And a second substrate 108; wherein the TFT array layer 102 is disposed above the first substrate 101, the common electrode layer 103 is disposed above the TFT array layer 102, and the common electrode layer 103 has a plurality of a common electrode of the array; the touch layer 104 is disposed on the common electrode layer 103, the touch layer 104 is configured to receive a touch signal, and the dielectric layer 105 is disposed above the touch layer 104.
  • the dielectric layer 105 is used to isolate the common electrode layer 103 and the pixel electrode layer 106; the pixel electrode layer 106 is disposed above the dielectric layer 105; the liquid crystal layer 107 is disposed on the pixel electrode layer Above the 106; the second substrate 108 is disposed above the liquid crystal layer 107, and the second substrate 108 has a black matrix.
  • the touch layer 104 includes a plurality of touch lines, and the touch lines are connected to corresponding common electrodes. Specifically, the touch layer 104 is disposed on the same layer as the common electrode layer 103, that is, the touch line of the touch layer 104 is disposed on the common electrode layer 103, and the touch line and the public are The common electrode of the electrode layer 103 is connected.
  • the first substrate 101 can be a TFT substrate
  • the second substrate 108 can be a CF substrate.
  • the common electrode of the common electrode layer 103 is divided into a plurality of rows and columns of touch pixels, and the touch pixels are arranged in an array, as shown in FIG. 2, 2101, 2102, ... 2115 is a touch pixel, TX1, TX2, ..., TX15 is a touch line, and each touch pixel corresponds to one touch line.
  • touch pixel 2101 is connected with touch line TX1
  • touch pixel 2102 is corresponding to touch.
  • the control line TX2 is connected
  • the touch pixel 2115 is connected to the touch line TX15, and so on.
  • FIG. 2 is a schematic structural diagram of a common electrode layer according to an embodiment of the present invention.
  • the control lines are all disposed on the left side of the touch pixels in the same column.
  • the touch lines can also be disposed on the right side of the touch pixels in the same column.
  • FIG. 3 is a schematic structural diagram of a touch line trace according to an embodiment of the present invention; however, it can be understood that touch lines corresponding to adjacent touch pixels of the same column are alternately arranged, that is, touched.
  • the control line TX1 is disposed on the left side of the touch pixel 2101
  • the touch line TX2 is disposed on the right side of the touch pixel 2102
  • the touch line TX3 is disposed on the left side of the touch pixel 2103
  • the touch line TX4 is disposed on the right side of the touch pixel 2104. And so on.
  • the touch lines are located on both sides of the touch pixels, the area of the blind areas is effectively reduced.
  • the touch line on the touch layer 104 is disposed opposite to the black matrix on the second substrate 108. Therefore, the problem of poor display due to the disconnection of the common electrode is reduced, thereby increasing the aperture ratio of the pixel.
  • the touch line includes a horizontal trace and a longitudinal trace, wherein the horizontal trace is electrically connected to the corresponding common electrode, and the vertical trace and the driving circuit are electrically Sexual connection.
  • the touch line in order to reduce the difference between the common electrodes, may adopt a metal grid (Metal A form of mesh is nested over the common electrode.
  • the common electrode of the touch pixel is separated from the common electrode of the touch line.
  • the common electrode of the touch pixel and the common electrode of the touch line may not be separated.
  • the touch line of the touch layer is disposed on the common electrode layer, and The touch line is connected to the common electrode of the common electrode layer, so that when the touch liquid crystal display panel is used for display, the control circuit provides a common signal to the common electrode through the touch line; When the liquid crystal display panel is used for touch control, the control circuit provides a driving signal to the common electrode through the touch line, and receives a touch signal on the common electrode.
  • the touch liquid crystal display panel provided by the invention has a simple structure, thereby improving the process yield and reducing the production cost.
  • FIG. 4 is another schematic structural diagram of a common electrode layer according to an embodiment of the present invention; for convenience of description, only parts related to the embodiment of the present invention are shown.
  • the second embodiment is similar to the first embodiment described above, except that:
  • the common electrode of the common electrode layer 103 is divided into a plurality of rows and columns of touch pixels, and the touch pixels are arranged in an array, as shown in FIG. 2, 2101, 2102, ... 2115 is a touch pixel, TX1, TX11, TX2, TX21, ..., TX15 are touch lines, and each touch pixel can correspond to multiple touch lines, for example, touch pixel 2101 corresponds to touch line TX1 and touch The line TX11 is connected, the touch pixel 2102 is connected to the touch line TX2 and the touch line TX21, the touch pixel 2115 is connected to the touch line TX15, and so on.
  • the number of touch lines corresponding to the touch pixels away from the driving circuit is more than the number of touch lines corresponding to the touch pixels near the driving circuit.
  • the touch pixel 2101 is connected to the touch line TX1 and the touch line TX11 and the touch line TX111.
  • the touch pixel 2102 is connected to the touch line TX2 and the touch line TX21.
  • the touch pixel 2115 corresponds to the touch line. TX15 connection, and so on.
  • the number of touch lines corresponding to the touch pixels away from the driving circuit is greater than the number of touch lines corresponding to the touch pixels near the driving circuit. Therefore, the problem of the resistance impedance between the touch lines is effectively solved, and the resistance impedance is effectively reduced.
  • the embodiment of the present invention further provides a touch liquid crystal display device, wherein the touch liquid crystal display device includes a touch liquid crystal display panel and a backlight module, and the touch liquid crystal display panel is disposed relative to the backlight module.
  • the touch liquid crystal display panel of the touch liquid crystal display device includes: a first substrate 101, a TFT array layer 102, a common electrode layer 103, a touch layer 104, a dielectric layer 105, and the like. a pixel electrode layer 106, a liquid crystal layer 107, and a second substrate 108; wherein the TFT array layer 102 is disposed above the first substrate 101, and the common electrode layer 103 is disposed above the TFT array layer 102.
  • the common electrode layer 103 has a plurality of arrays of common electrodes; the touch layer 104 is disposed on the common electrode layer 103, and the touch layer 104 is configured to receive a touch signal; the dielectric layer 105 The dielectric layer 105 is configured to isolate the common electrode layer 103 and the pixel electrode layer 106; the pixel electrode layer 106 is disposed above the dielectric layer 105; the liquid crystal The layer 107 is disposed above the pixel electrode layer 106; the second substrate 108 is disposed above the liquid crystal layer 107, and the second substrate 108 has a black matrix.
  • the touch layer includes a plurality of touch lines, and the touch lines are connected to corresponding common electrodes. Therefore, the touch line and the sensing line are insulated from each other in the prior art. Therefore, the touch line and the sensing line need to be disposed in different layers. Therefore, a hole is required to make the touch.
  • the connection between the wire and the sensing wire leads to a complicated process structure and a low process yield.
  • the touch line includes a lateral trace and a longitudinal trace, wherein the lateral trace and the corresponding common electrode are electrically Connected, the longitudinal trace is electrically connected to the driving circuit.
  • the touch line on the touch layer is disposed opposite to the black matrix on the second substrate. Therefore, the problem of poor display due to the disconnection of the common electrode is reduced, thereby increasing the aperture ratio of the pixel.
  • the common electrode serves as the Vcom in the display phase
  • the common electrode serves as the touch phase.
  • Touch signal When the touch liquid crystal display panel is used for display, the control circuit provides a common signal to the common electrode through the touch line. When the touch liquid crystal display panel is used for touch, the control circuit provides a driving signal to the common electrode through the touch line, and receives a touch signal on the common electrode.
  • the touch liquid crystal display panel and the touch liquid crystal display device provided by the embodiment of the present invention have the touch layer disposed on the same layer as the common electrode layer, that is, the touch line of the touch layer is disposed in the And connecting the touch line to the common electrode of the common electrode layer, so that when the touch liquid crystal display panel is used for display, the control circuit provides the common electrode through the touch line a common signal; when the touch liquid crystal display panel is used for touch, the control circuit provides a driving signal to the common electrode through the touch line, and receives a touch signal on the common electrode.
  • the touch liquid crystal display panel and the touch liquid crystal display device provided by the invention have a simple structure, thereby improving the process yield and reducing the production cost.

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  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Computer Hardware Design (AREA)
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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract

提供了一种触控液晶显示面板，包括：第一基板（101）；TFT阵列层（102）；公共电极层（103），公共电极层（103）具有多个阵列分布的公共电极；触控层（104）；介质层（105）；像素电极层（106）；液晶层（107）；以及一第二基板（108），第二基板（108）具有黑色矩阵；触控层（104）包括多条触控线，触控线与相应的公共电极连接。提供的液晶显示面板结构简单，因此提升了制程良率以及降低了生产成本。

Description

一种触控液晶显示面板及触控液晶显示装置 技术领域
本发明涉及显示技术领域，特别涉及一种触控液晶显示面板及触控液晶显示装置。
 背景技术
随着智能电子产品的普及，电容式触摸屏（以下简称电容屏）被广泛应用于各种电子产品，如：智能手机、平板电脑等产品。现有的电容式触摸屏结构有外挂式电容屏以及嵌入式电容屏。近年来，人们追求越来越轻薄化的用户式体验，从而促使OGS、 On cell、 In cell三种技术并争的局面，而In cell由于制程上的独特优势可以做到比OGS、On cell更轻薄、透光性更好，因此为了满足客户的需求，In cell势必成为未来电容屏的主流。
然而，传统的Full in cell，由于触控线和感应线是绝缘的，所以需要将触控线和感应线设置在不同的层，因此，需要采用挖孔的方式来使得所述触控线与感应线连接，导致制程结构复杂，制程良率较低的问题。
故，有必要提出一种新的技术方案，以解决上述技术问题。
 技术问题
本发明的目的在于提供一种触控液晶显示面板及触控液晶显示装置，其结构简单，因此提升了制程良率以及降低了生产成本。
 技术解决方案
一种触控液晶显示面板，其中所述触控液晶显示面板包括：
一第一基板；
一TFT阵列层，设置于所述第一基板上方；
一公共电极层，设置于所述TFT阵列层上方，所述公共电极层具有多个阵列分布的公共电极；
一触控层，设置于所述公共电极层上，用于接收触控信号；
一介质层，设置于所述触控层上方，用于隔离所述公共电极层和像素电极层；
一所述像素电极层，设置于所述介质层上方；
一液晶层，设置于所述像素电极层上方；以及
一第二基板，设置于所述液晶层上方，所述第二基板具有黑色矩阵；
其中，所述触控层包括多条触控线，所述触控线与相应的公共电极连接；所述触控线包括一横向走线和一纵向走线，其中，所述横向走线与相应的所述公共电极电性连接，所述纵向走线与驱动电路电性连接；所述触控层上的所述触控线与所述第二基板上的黑色矩阵相对设置。
优选的，在所述的触控液晶显示面板中，其中当所述触控液晶显示面板用于显示时，控制电路通过所述触控线给所述公共电极提供公共信号。
优选的，在所述的触控液晶显示面板中，其中当所述触控液晶显示面板用于触控时，控制电路通过所述触控线给所述公共电极提供驱动信号，并接收所述公共电极上的触控信号。
一种触控液晶显示面板，所述触控液晶显示面板包括：
一第一基板；
一TFT阵列层，设置于所述第一基板上方；
一公共电极层，设置于所述TFT阵列层上方，所述公共电极层具有多个阵列分布的公共电极；
一触控层，设置于所述公共电极层上，用于接收触控信号；
一介质层，设置于所述触控层上方，用于隔离所述公共电极层和像素电极层；
一所述像素电极层，设置于所述介质层上方；
一液晶层，设置于所述像素电极层上方；以及
一第二基板，设置于所述液晶层上方，所述第二基板具有黑色矩阵；
其中，所述触控层包括多条触控线，所述触控线与相应的公共电极连接。
优选的，在所述的触控液晶显示面板中，所述触控线包括一横向走线和一纵向走线，其中，所述横向走线与相应的所述公共电极电性连接，所述纵向走线与驱动电路电性连接。
优选的，在所述的触控液晶显示面板中，所述触控层上的所述触控线与所述第二基板上的黑色矩阵相对设置。
优选的，在所述的触控液晶显示面板中，当所述触控液晶显示面板用于显示时，控制电路通过所述触控线给所述公共电极提供公共信号。
优选的，在所述的触控液晶显示面板中，当所述触控液晶显示面板用于触控时，控制电路通过所述触控线给所述公共电极提供驱动信号，并接收所述公共电极上的触控信号。
一种触控液晶显示装置，所述触控液晶显示装置包括触控液晶显示面板及背光模组，所述触控液晶显示面板相对于所述背光模组来设置；其中，所述触控液晶显示面板包括：
一第一基板；
一TFT阵列层，设置于所述第一基板上方；
一公共电极层，设置于所述TFT阵列层上方，所述公共电极层具有多个阵列分布的公共电极；
一触控层，设置于所述公共电极层上，用于接收触控信号；
一介质层，设置于所述触控层上方，用于隔离所述公共电极层和像素电极层；
一所述像素电极层，设置于所述介质层上方；
一液晶层，设置于所述像素电极层上方；以及
一第二基板，设置于所述液晶层上方，所述第二基板具有黑色矩阵；
其中，所述触控层包括多条触控线，所述触控线与相应的公共电极连接。
优选的，在所述的触控液晶显示装置中，所述触控线包括一横向走线和一纵向走线，其中，所述横向走线与相应的所述公共电极电性连接，所述纵向走线与驱动电路电性连接。
优选的，在所述的触控液晶显示装置中，所述触控层上的所述触控线与所述第二基板上的黑色矩阵相对设置。
优选的，在所述的触控液晶显示装置中，当所述触控液晶显示面板用于显示时，控制电路通过所述触控线给所述公共电极提供公共信号。
优选的，在所述的触控液晶显示装置中，当所述触控液晶显示面板用于触控时，控制电路通过所述触控线给所述公共电极提供驱动信号，并接收所述公共电极上的触控信号。
 有益效果
相对现有技术，本发明提供的触控液晶显示面板以及触控液晶显示装置，由于通过将触控层与公共电极层设置在同一层，即将触控层的触控线设置在所述公共电极层上，并将所述触控线与所述公共电极层的公共电极连接，从而实现当触控液晶显示面板用于显示时，控制电路通过所述触控线给所述公共电极提供公共信号；当所述触控液晶显示面板用于触控时，控制电路通过所述触控线给所述公共电极提供驱动信号，并接收所述公共电极上的触控信号。本发明提供的触控液晶显示面板以及触控液晶显示装置结构简单，因此提升了制程良率以及降低了生产成本。
 附图说明
图1为本发明实施例提供的触控液晶显示面板的结构示意图；
图2为本发明实施例提供的公共电极层的结构示意图；
图3为本发明实施例提供的触控线走线的结构示意图；
图4为本发明实施例提供的公共电极层的另一结构示意图。
 本发明的最佳实施方式
本说明书所使用的词语“实施例”意指用作实例、示例或例证。此外，本说明书和所附权利要求中所使用的冠词“一”一般地可以被解释为意指“一个或多个”，除非另外指定或从上下文清楚导向单数形式。
在本发明中，通过将触控层与公共电极层设置在同一层，即将触控层的触控线设置在所述公共电极层上，并将所述触控线与所述公共电极层的公共电极连接，从而实现当触控液晶显示面板用于显示时，控制电路通过所述触控线给所述公共电极提供公共信号；当所述触控液晶显示面板用于触控时，控制电路通过所述触控线给所述公共电极提供驱动信号，并接收所述公共电极上的触控信号。本发明提供的触控液晶显示面板结构简单，因此提升了制程良率以及降低了生产成本。
为了说明本发明所述的技术方案，下面通过具体实施例来进行说明。
实施例一
请参阅图1，为本发明实施例提供的触控液晶显示面板的结构示意图；为了便于说明，仅示出了与本发明实施例相关的部分。
所述触控液晶显示面板包括：一第一基板101、一TFT阵列层102、一公共电极层103、一触控层104、一介质层105、一所述像素电极层106、一液晶层107、以及一第二基板108；其中，所述TFT阵列层102设置于所述第一基板101上方，所述公共电极层103设置于所述TFT阵列层102上方，所述公共电极层103具有多个阵列分布的公共电极；所述触控层104设置于所述公共电极层103上，所述触控层104用于接收触控信号；所述介质层105设置于所述触控层104上方，所述介质层105用于隔离所述公共电极层103和所述像素电极层106；所述像素电极层106设置于所述介质层105上方；所述液晶层107设置于所述像素电极层106上方；所述第二基板108设置于所述液晶层107上方，所述第二基板108具有黑色矩阵。
在本发明实施例中，所述触控层104包括多条触控线，所述触控线与相应的公共电极连接。具体的，如通过将触控层104与公共电极层103设置在同一层，即将触控层104的触控线设置在所述公共电极层103上，并将所述触控线与所述公共电极层103的公共电极连接。
然而，可以理解的是，所述第一基板101可以为TFT基板，所述第二基板108可以为CF基板。
在本发明实施例中，例如将所述公共电极层103的公共电极划分为多行和多列的触控像素，这些触控像素呈阵列排列，如图2所示，2101、2102………2115为触控像素，TX1、TX2………TX15为触控线，每一个触控像素对应一条触控线，如，触控像素2101对应与触控线TX1连接，触控像素2102对应与触控线TX2连接，触控像素2115对应与触控线TX15连接，以此类推。
在本发明实施例中，同一列的所述触控像素对应的触控线设置在同一侧，如图2所示，图2为本发明实施例提供的公共电极层的结构示意图；所述触控线均设置在同一列的所述触控像素的左侧。然而，可以理解的是，所述触控线也可以设置在同一列的所述触控像素的右侧。
如图3所示，图3为本发明实施例提供的触控线走线的结构示意图；然而，可以理解的是，同一列相邻的触控像素对应的触控线交错设置，即，触控线TX1设置在触控像素2101左侧，触控线TX2设置在触控像素2102右侧，触控线TX3设置在触控像素2103左侧，触控线TX4设置在触控像素2104右侧，以此类推。在本实施例中，由于触控线位于触控像素的两侧，因此有效减少了盲区的面积。
作为本发明一优选实施例，所述触控层104上的所述触控线与所述第二基板108上的黑色矩阵相对设置。因此，降低了因公共电极断开引起的显示不良的问题，从而提升了像素的开口率。
在本发明实施例中，所述触控线包括一横向走线和一纵向走线，其中，所述横向走线与相应的所述公共电极电性连接，所述纵向走线与驱动电路电性连接。
在本发明实施例中，为了减少公共电极之间的差异，触控线可以采用金属网格（Metal mesh）的形式嵌套在所述公共电极之上。
在本发明实施例中，所述触控像素的公共电极与所述触控线的公共电极是分开的。然而，可以理解的是，在一些场合下，所述触控像素的公共电极与所述触控线的公共电极也可以是不分开的。
由上可知，本实施例一提供的触控液晶显示面板，由于通过将触控层与公共电极层设置在同一层，即将触控层的触控线设置在所述公共电极层上，并将所述触控线与所述公共电极层的公共电极连接，从而实现当触控液晶显示面板用于显示时，控制电路通过所述触控线给所述公共电极提供公共信号；当所述触控液晶显示面板用于触控时，控制电路通过所述触控线给所述公共电极提供驱动信号，并接收所述公共电极上的触控信号。本发明提供的触控液晶显示面板结构简单，因此提升了制程良率以及降低了生产成本。
实施例二
请参阅图4，图4为本发明实施例提供的公共电极层的另一结构示意图；为了便于说明，仅示出了与本发明实施例相关的部分。本实施例二与上述实施例一相似，不同之处在于：
在本发明实施例中，例如将所述公共电极层103的公共电极划分为多行和多列的触控像素，这些触控像素呈阵列排列，如图2所示，2101、2102………2115为触控像素，TX1、TX11、TX2、TX21………TX15为触控线，每一个触控像素可对应多条触控线，如，触控像素2101对应与触控线TX1和触控线TX11连接，触控像素2102对应与触控线TX2和触控线TX21连接，触控像素2115对应与触控线TX15连接，以此类推。
然而，可以理解的是，远离驱动电路的所述触控像素对应的触控线条数多于靠近所述驱动电路的所述触控像素对应的触控线条数。如，触控像素2101对应与触控线TX1和触控线TX11以及触控线TX111连接，触控像素2102对应与触控线TX2和触控线TX21连接，触控像素2115对应与触控线TX15连接，以此类推。
在本发明实施例中，由于远离驱动电路的所述触控像素对应的触控线条数多于靠近所述驱动电路的所述触控像素对应的触控线条数。因此有效解决了触控线之间的电阻阻抗的问题，有效降低了电阻阻抗。
本发明实施例还提供了一种触控液晶显示装置，所述触控液晶显示装置包括触控液晶显示面板及背光模组，所述触控液晶显示面板相对于所述背光模组来设置。
所述触控液晶显示装置中的所述触控液晶显示面板包括：一第一基板101、一TFT阵列层102、一公共电极层103、一触控层104、一介质层105、一所述像素电极层106、一液晶层107、以及一第二基板108；其中，所述TFT阵列层102设置于所述第一基板101上方，所述公共电极层103设置于所述TFT阵列层102上方，所述公共电极层103具有多个阵列分布的公共电极；所述触控层104设置于所述公共电极层103上，所述触控层104用于接收触控信号；所述介质层105设置于所述触控层104上方，所述介质层105用于隔离所述公共电极层103和所述像素电极层106；所述像素电极层106设置于所述介质层105上方；所述液晶层107设置于所述像素电极层106上方；所述第二基板108设置于所述液晶层107上方，所述第二基板108具有黑色矩阵。
在本发明实施例中，在所述的触控液晶显示装置中，所述触控层包括多条触控线，所述触控线与相应的公共电极连接。因此，解决了现有技术中存在的由于触控线和感应线是绝缘的，所以需要将触控线和感应线设置在不同的层，因此，需要采用挖孔的方式来使得所述触控线与感应线连接，导致制程结构复杂，制程良率较低的问题。
在本发明实施例中，在所述的触控液晶显示装置中，所述触控线包括一横向走线和一纵向走线，其中，所述横向走线与相应的所述公共电极电性连接，所述纵向走线与驱动电路电性连接。
在本发明实施例中，在所述的触控液晶显示装置中，所述触控层上的所述触控线与所述第二基板上的黑色矩阵相对设置。因此，降低了因公共电极断开引起的显示不良的问题，从而提升了像素的开口率。
在本发明实施例中，在所述的触控液晶显示装置中，需要采用触控与显示分时扫描的方式，因此，公共电极既作为显示阶段的Vcom，所述公共电极又作为触控阶段的触控信号。当所述触控液晶显示面板用于显示时，控制电路通过所述触控线给所述公共电极提供公共信号。当所述触控液晶显示面板用于触控时，控制电路通过所述触控线给所述公共电极提供驱动信号，并接收所述公共电极上的触控信号。
综上所述，本发明实施例提供的触控液晶显示面板以及触控液晶显示装置，由于通过将触控层与公共电极层设置在同一层，即将触控层的触控线设置在所述公共电极层上，并将所述触控线与所述公共电极层的公共电极连接，从而实现当触控液晶显示面板用于显示时，控制电路通过所述触控线给所述公共电极提供公共信号；当所述触控液晶显示面板用于触控时，控制电路通过所述触控线给所述公共电极提供驱动信号，并接收所述公共电极上的触控信号。本发明提供的触控液晶显示面板以及触控液晶显示装置结构简单，因此提升了制程良率以及降低了生产成本。
尽管已经相对于一个或多个实现方式示出并描述了本发明，但是本领域技术人员基于对本说明书和附图的阅读和理解将会想到等价变型和修改。本发明包括所有这样的修改和变型，并且仅由所附权利要求的范围限制。特别地关于由上述组件执行的各种功能，用于描述这样的组件的术语旨在对应于执行所述组件的指定功能（例如其在功能上是等价的）的任意组件（除非另外指示），即使在结构上与执行本文所示的本说明书的示范性实现方式中的功能的公开结构不等同。此外，尽管本说明书的特定特征已经相对于若干实现方式中的仅一个被公开，但是这种特征可以与如可以对给定或特定应用而言是期望和有利的其他实现方式的一个或多个其他特征组合。而且，就术语“包括”、“具有”、“含有”或其变形被用在具体实施方式或权利要求中而言，这样的术语旨在以与术语“包含”相似的方式包括。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (13)

  1. 一种触控液晶显示面板，其中所述触控液晶显示面板包括：
    一第一基板；
    一TFT阵列层，设置于所述第一基板上方；
    一公共电极层，设置于所述TFT阵列层上方，所述公共电极层具有多个阵列分布的公共电极；
    一触控层，设置于所述公共电极层上，用于接收触控信号；
    一介质层，设置于所述触控层上方，用于隔离所述公共电极层和像素电极层；
    一所述像素电极层，设置于所述介质层上方；
    一液晶层，设置于所述像素电极层上方；以及
    一第二基板，设置于所述液晶层上方，所述第二基板具有黑色矩阵；
    其中，所述触控层包括多条触控线，所述触控线与相应的公共电极连接；所述触控线包括一横向走线和一纵向走线，其中，所述横向走线与相应的所述公共电极电性连接，所述纵向走线与驱动电路电性连接；所述触控层上的所述触控线与所述第二基板上的黑色矩阵相对设置。
  2. 根据权利要求1所述的触控液晶显示面板，其中当所述触控液晶显示面板用于显示时，控制电路通过所述触控线给所述公共电极提供公共信号。
  3. 根据权利要求1所述的触控液晶显示面板，其中当所述触控液晶显示面板用于触控时，控制电路通过所述触控线给所述公共电极提供驱动信号，并接收所述公共电极上的触控信号。
  4. 一种触控液晶显示面板，其中所述触控液晶显示面板包括：
    一第一基板；
    一TFT阵列层，设置于所述第一基板上方；
    一公共电极层，设置于所述TFT阵列层上方，所述公共电极层具有多个阵列分布的公共电极；
    一触控层，设置于所述公共电极层上，用于接收触控信号；
    一介质层，设置于所述触控层上方，用于隔离所述公共电极层和像素电极层；
    一所述像素电极层，设置于所述介质层上方；
    一液晶层，设置于所述像素电极层上方；以及
    一第二基板，设置于所述液晶层上方，所述第二基板具有黑色矩阵；
    其中，所述触控层包括多条触控线，所述触控线与相应的公共电极连接。
  5. 根据权利要求4所述的触控液晶显示面板，其中所述触控线包括一横向走线和一纵向走线，其中，所述横向走线与相应的所述公共电极电性连接，所述纵向走线与驱动电路电性连接。
  6. 根据权利要求4所述的触控液晶显示面板，其中所述触控层上的所述触控线与所述第二基板上的黑色矩阵相对设置。
  7. 根据权利要求4所述的触控液晶显示面板，其中当所述触控液晶显示面板用于显示时，控制电路通过所述触控线给所述公共电极提供公共信号。
  8. 根据权利要求4所述的触控液晶显示面板，其中当所述触控液晶显示面板用于触控时，控制电路通过所述触控线给所述公共电极提供驱动信号，并接收所述公共电极上的触控信号。
  9. 一种触控液晶显示装置，其中所述触控液晶显示装置包括触控液晶显示面板及背光模组，所述触控液晶显示面板相对于所述背光模组来设置；其中，所述触控液晶显示面板包括：
    一第一基板；
    一TFT阵列层，设置于所述第一基板上方；
    一公共电极层，设置于所述TFT阵列层上方，所述公共电极层具有多个阵列分布的公共电极；
    一触控层，设置于所述公共电极层上，用于接收触控信号；
    一介质层，设置于所述触控层上方，用于隔离所述公共电极层和像素电极层；
    一所述像素电极层，设置于所述介质层上方；
    一液晶层，设置于所述像素电极层上方；以及
    一第二基板，设置于所述液晶层上方，所述第二基板具有黑色矩阵；
    其中，所述触控层包括多条触控线，所述触控线与相应的公共电极连接。
  10. 根据权利要求9所述的触控液晶显示装置，其中所述触控线包括一横向走线和一纵向走线，其中，所述横向走线与相应的所述公共电极电性连接，所述纵向走线与驱动电路电性连接。
  11. 根据权利要求9所述的触控液晶显示装置，其中所述触控层上的所述触控线与所述第二基板上的黑色矩阵相对设置。
  12. 根据权利要求9所述的触控液晶显示装置，其中当所述触控液晶显示面板用于显示时，控制电路通过所述触控线给所述公共电极提供公共信号。
  13. 根据权利要求9所述的触控液晶显示装置，其中当所述触控液晶显示面板用于触控时，控制电路通过所述触控线给所述公共电极提供驱动信号，并接收所述公共电极上的触控信号。
PCT/CN2014/095304 2014-12-24 2014-12-29 一种触控液晶显示面板及触控液晶显示装置 WO2016101292A1 (zh)

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CN106066735B (zh) * 2016-06-28 2019-02-12 武汉华星光电技术有限公司 阵列基板及触控显示屏
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