WO2016145682A1 - 触控显示面板及触控显示装置 - Google Patents

触控显示面板及触控显示装置 Download PDF

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Publication number
WO2016145682A1
WO2016145682A1 PCT/CN2015/075804 CN2015075804W WO2016145682A1 WO 2016145682 A1 WO2016145682 A1 WO 2016145682A1 CN 2015075804 W CN2015075804 W CN 2015075804W WO 2016145682 A1 WO2016145682 A1 WO 2016145682A1
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WO
WIPO (PCT)
Prior art keywords
sensing
electrode layer
signal
touch
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2015/075804
Other languages
English (en)
French (fr)
Inventor
谢剑星
黄耀立
黄俊宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Technology Co Ltd
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
Wuhan China Star Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd, Wuhan China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US14/648,946 priority Critical patent/US9798411B2/en
Publication of WO2016145682A1 publication Critical patent/WO2016145682A1/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
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • 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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
    • G—PHYSICS
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    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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    • 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
    • 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
    • G06F3/0445—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
    • 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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

Definitions

  • the present invention relates to the field of touch display, and in particular to a touch display panel and a touch display device.
  • capacitive touch display devices are widely used in a variety of electronic products, such as: smart phones, tablets and so on.
  • the existing capacitive touch display device has GG (glass-glass, sensor glass-tempered glass), GF (glass-film), GFF (glass-film-film), OGS (glass-film-film), OGS ( One Glass solution, integrated glass, etc., and On cell (touch sensor on display panel), In Embedded structure such as cell (with touch sensor embedded in the display).
  • the sensing lead and the driving lead are located on the same metal layer, and the sensing lead and the driving lead are connected to the touch pixels located in different layers through the through hole, and the manufacturing process is complicated and the process yield is low.
  • An object of the present invention is to provide a touch display panel and a touch display device with simple manufacturing process and high process yield; and to solve the complicated manufacturing process and good process of the existing touch display panel and the touch display device. Lower technical issues.
  • An embodiment of the invention provides a touch display panel, which includes:
  • liquid crystal layer disposed between the color film substrate and the array substrate;
  • the array substrate is provided with:
  • a thin film transistor array layer provided with a thin film transistor for transmitting a scan signal and a data signal
  • a common electrode layer disposed on the thin film transistor array layer for providing a common signal and for receiving a touch signal, comprising a driving portion, a sensing portion, and a common signal portion;
  • a sensing layer disposed on the common electrode layer, including a driving lead and a sensing lead;
  • the driving leads transmitting the same touch driving signal are connected to each other through the driving portion of the common electrode layer to receive the same touch
  • the sensing leads of the sensing signals are connected to each other through the sensing portion of the common electrode layer;
  • a pixel electrode layer connected to the thin film transistor through the first through hole
  • the thin film transistor array layer, the common electrode layer, the sensing layer, and the pixel electrode layer are separated from each other by a dielectric layer;
  • the adjacent driving leads transmitting the same touch driving signal are connected to the same driving portion of the common electrode layer through the second through holes;
  • the adjacent sensing leads receiving the same touch sensing signal are connected to the same sensing portion of the common electrode layer through a third through hole.
  • the common electrode layer further includes a common signal communication portion; wherein the common signal portions of the same common line are connected by corresponding common signal communication portions.
  • the sensing layer is disposed in a manner of a metal grid.
  • the driving chip when the touch display panel is in the display mode, supplies all the common electrode layers by connecting the common signal communication portion of each of the common signal portions.
  • the common signal portion provides the common signal; the driving chip supplies the common signal to all of the driving portions of the common electrode layer through the driving leads.
  • the touch chip when the touch display panel is in the touch mode, the touch chip transmits the touch drive signal to the common electrode layer line by line through the drive lead.
  • the driving part each of the sensing parts of the common electrode layer can transmit the touch sensing signal to the touch chip through the sensing lead.
  • the sensing leads of the sensing layer are disposed on the upper side of the common signal portion.
  • An embodiment of the invention provides a touch display panel, which includes:
  • liquid crystal layer disposed between the color film substrate and the array substrate;
  • the array substrate is provided with:
  • a thin film transistor array layer provided with a thin film transistor for transmitting a scan signal and a data signal
  • a common electrode layer disposed on the thin film transistor array layer for providing a common signal and for receiving a touch signal, comprising a driving portion, a sensing portion, and a common signal portion;
  • sensing layer disposed on the common electrode layer, including a driving lead and an inductive lead, wherein the driving leads transmitting the same touch driving signal are connected to each other through the driving portion of the common electrode layer to receive the same touch
  • the sensing leads of the sensing signals are connected to each other through the sensing portion of the common electrode layer;
  • a pixel electrode layer connected to the thin film transistor through the first through hole
  • the thin film transistor array layer, the common electrode layer, the sensing layer, and the pixel electrode layer are separated from each other by a dielectric layer.
  • the adjacent driving leads that transmit the same touch driving signal are connected to the same driving portion of the common electrode layer through the second through holes.
  • adjacent sensing leads that receive the same touch sensing signal are connected to the same sensing portion of the common electrode layer through a third through hole.
  • the common electrode layer further includes a common signal communication portion; wherein the common signal portions of the same common line are connected by corresponding common signal communication portions.
  • the sensing layer is disposed in a manner of a metal grid.
  • the driving chip when the touch display panel is in the display mode, supplies all the common electrode layers by connecting the common signal communication portion of each of the common signal portions.
  • the common signal portion provides the common signal; the driving chip supplies the common signal to all of the driving portions of the common electrode layer through the driving leads.
  • the touch chip when the touch display panel is in the touch mode, the touch chip transmits the touch drive signal to the common electrode layer line by line through the drive lead.
  • the driving part each of the sensing parts of the common electrode layer can transmit the touch sensing signal to the touch chip through the sensing lead.
  • the sensing leads of the sensing layer are disposed on the upper side of the common signal portion.
  • the embodiment of the present invention further provides a touch display device, including a backlight and a touch display panel, wherein the touch display panel includes:
  • liquid crystal layer disposed between the color film substrate and the array substrate;
  • the array substrate is provided with:
  • a thin film transistor array layer provided with a thin film transistor for transmitting a scan signal and a data signal
  • a common electrode layer disposed on the thin film transistor array layer for providing a common signal and for receiving a touch signal, comprising a driving portion, a sensing portion, and a common signal portion;
  • sensing layer disposed on the common electrode layer, including a driving lead and an inductive lead, wherein the driving leads transmitting the same touch driving signal are connected to each other through the driving portion of the common electrode layer to receive the same touch
  • the sensing leads of the sensing signals are connected to each other through the sensing portion of the common electrode layer;
  • a pixel electrode layer connected to the thin film transistor through the first through hole
  • the thin film transistor array layer, the common electrode layer, the sensing layer, and the pixel electrode layer are separated from each other by a dielectric layer.
  • the adjacent driving leads that transmit the same touch driving signal are connected to the same driving portion of the common electrode layer through the second through holes.
  • adjacent sensing leads that receive the same touch sensing signal are connected to the same sensing portion of the common electrode layer through a third through hole.
  • the common electrode layer further includes a common signal communication portion; wherein the common signal portions of the same common line are connected by the corresponding common signal communication portion.
  • the sensing layer is provided with the metal wire grid.
  • the sensing lead of the sensing layer is disposed on the upper side of the common signal portion.
  • the touch display panel and the touch display device of the present invention realize the transmission of the common signal and the touch signal through the setting of the sensing layer and the common electrode layer, the whole manufacturing process is simple, and the production yield is high; The manufacturing process of the touch display panel and the touch display device is relatively complicated and the technical problem of low process yield is low.
  • FIG. 1 is a schematic structural view of a preferred embodiment of a touch display panel of the present invention.
  • FIG. 2 is a schematic top plan view of a sensing layer and a common electrode layer of a preferred embodiment of the touch display panel of the present invention
  • FIG 3 is a schematic perspective view showing a sensing layer and a common electrode layer of a preferred embodiment of the touch display panel of the present invention.
  • FIG. 1 is a schematic structural diagram of a preferred embodiment of a touch display panel according to the present invention.
  • the touch display panel 10 of the preferred embodiment includes a color filter substrate 11, an array substrate 12, and a liquid crystal layer 13.
  • the thin film transistor array layer 14, the common electrode layer 15, the sensing layer 16, and the pixel electrode layer 17 are disposed on the array substrate 12; the thin film transistor array layer 14 is provided with a thin film transistor for transmitting a scan signal and a data signal.
  • the common electrode layer 15 is disposed on the thin film transistor array layer 14 for providing a common signal and for receiving a touch signal, and includes a driving portion 151, a sensing portion 152, a common signal portion 153, and a common signal communication portion 154, wherein the same The common signal portions 153 of the common line are connected by corresponding common signal communication portions 154.
  • the sensing layer 16 is disposed on the common electrode layer 15 and includes a driving lead 161 and a sensing lead 162.
  • the driving leads 161 transmitting the same touch driving signal are connected to each other through the driving portion 151 of the common electrode layer 15 to receive the same touch sensing signal.
  • the sensing leads 162 are connected to each other through the sensing portion 152 of the common electrode layer 15.
  • the pixel electrode layer 17 is connected to the thin film transistor of the thin film transistor array layer 14 through a first through hole (not shown).
  • the thin film transistor array layer 14, the common electrode layer 15, the sensing layer 16, and the pixel electrode layer 17 are separated from each other by the dielectric layer 18.
  • FIG. 2 is a schematic top view of a sensing layer and a common electrode layer according to a preferred embodiment of the touch display panel of the present invention
  • FIG. 3 is a schematic diagram of a preferred embodiment of the touch display panel of the present invention. Schematic diagram of the three-dimensional structure of the layer and the common electrode layer.
  • the adjacent driving leads 161 transmitting the same touch driving signal in the touch display panel 10 of the preferred embodiment, that is, the driving leads 161 of the same row are connected to the common electrode layer 15 through the second through holes 181 on the dielectric layer 18.
  • the same driving portion 151 is disposed to ensure that the touch driving signals can be transmitted to the respective driving portions 151 of the common electrode layer 15 of the touch display panel 10.
  • the adjacent sensing leads 162 of the touch display panel 10 that receive the same touch sensing signal that is, the sensing leads 162 of the same column are connected to the same sensing portion 152 of the common electrode layer 15 through the third through holes 182 on the dielectric layer 18.
  • the touch sensing signals generated by the sensing portions 152 of the common electrode layer 15 can be transmitted to the external touch chip.
  • the driving chip inputs a common signal to the common electrode layer 15, and the driving chip connects the common signal connecting portions of the common signal portions 153. 154 supplies a common signal to all of the common signal portions 153 of the common electrode layer 15. At the same time, the driving chip supplies a common signal to all of the driving portions 151 of the common electrode layer 15 through the driving leads 161. At this time, the sensing portion 152 of the common electrode layer 15 is suspended. Since most of the area of the common electrode layer 15 has a common signal, the touch display panel 10 can perform a display operation normally.
  • the touch chip When the touch display panel 10 is in the touch mode, the touch chip transmits the touch driving signals to the driving portions 151 of the common electrode layer 15 through the driving leads 161, and the sensing portions 152 of the common electrode layer 15 can pass through.
  • the sensing lead 162 transmits the touch sensing signal to the touch chip. This completes the detection process of the entire touch operation.
  • the common signal portion 153 of the common electrode layer 15 and the common signal communication portion 154 are all suspended.
  • the sensing lead 162 of the sensing layer 16 is disposed on the upper side of the common signal portion 153, and the sensing lead 162 is disposed in a metal grid manner, so that the touch display panel 10 is in touch.
  • the floating common signal portion 153 is coupled with the metal grid-shaped sensing lead 162 of the sensing layer 16, thereby increasing the signal sensing amount of the sensing lead 162 and increasing the signal-to-noise ratio of the touch sensing signal.
  • the touch display panel of the present invention realizes the transmission of the common signal and the touch signal through the setting of the sensing layer and the common electrode layer, and the whole manufacturing process is simple, and the production yield is high.
  • the present invention further provides a touch display device including a backlight and a touch display panel, the touch display panel including a color filter substrate, an array substrate, and a liquid crystal disposed between the color filter substrate and the array substrate Floor.
  • the thin film transistor array layer, the common electrode layer, the sensing layer and the pixel electrode layer are disposed on the array substrate; the thin film transistor array layer is provided with a thin film transistor for transmitting a scan signal and a data signal.
  • the common electrode layer is disposed on the thin film transistor array layer for providing a common signal and for receiving the touch signal, and includes a driving portion, a sensing portion, a common signal portion, and a common signal communication portion, wherein the common signal portion of the common line is agreed Connected via corresponding common signal connections.
  • the sensing layer is disposed on the common electrode layer, and includes a driving lead and a sensing lead.
  • the driving leads that transmit the same touch driving signal are connected to each other through a driving portion of the common electrode layer, and the sensing lead receiving the same touch sensing signal passes through the common electrode layer.
  • the sensing portions are connected to each other.
  • the pixel electrode layer is connected to the thin film transistor of the thin film transistor array layer through the first through hole.
  • the thin film transistor array layer, the common electrode layer, the sensing layer, and the pixel electrode layer are separated from each other by a dielectric layer.
  • adjacent driving leads transmitting the same touch driving signal are connected to the same driving portion of the common electrode layer through the second through holes.
  • adjacent sensing leads receiving the same touch sensing signal are connected to the same sensing portion of the common electrode layer through the third through hole.
  • the sensing layer is provided with a sensing lead directly above the common signal portion in the manner of a metal grid.
  • the specific working principle of the touch display device of the present invention is the same as or similar to the related description in the preferred embodiment of the touch display panel. For details, refer to the related description in the preferred embodiment of the touch display panel.
  • the touch display panel and the touch display device of the present invention realize the transmission of the common signal and the touch signal through the setting of the sensing layer and the common electrode layer, the whole manufacturing process is simple, and the production yield is high; The manufacturing process of the touch display panel and the touch display device is relatively complicated and the technical problem of low process yield is low.

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Abstract

一种触控显示面板（10）及触控显示装置，该触控显示面板（10）包括彩膜基板（11）、阵列基板（12）、液晶层（13）、薄膜晶体管阵列层（14）、公共电极层（15）、感测层（16）以及像素电极层（17）；其中薄膜晶体管阵列层（14）、公共电极层（15）、感测层（16）以及像素电极层（17）通过介质层（18）相互隔开。触控显示面板（10）及触控显示装置制作工艺简单，且制作良率较高。

Description

触控显示面板及触控显示装置 技术领域
本发明涉及触控显示领域，特别是涉及一种触控显示面板及触控显示装置。
 背景技术
随着智能电子产品的普及，电容式触摸显示装置被广泛应用于各种电子产品，如：智能手机、平板电脑等。现有的电容式触摸显示装置具有G-G（glass-glass，传感器玻璃-钢化玻璃）、GF（glass-film，玻璃-薄膜）、GFF（glass-film-film，玻璃-薄膜-薄膜）、OGS（one glass solution，一体化玻璃）等外挂式结构，以及On cell（显示面板上配置触控传感器）、In cell（显示屏内嵌入触控传感器）等嵌入式结构。
近年来，人们追求越来越轻薄化的用户式体验，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，势必成为电容式触摸显示面板的主流。
传统的in cell的电容式触控显示面板中，感应引线以及驱动引线位于同一金属层，感应引线以及驱动引线均通过贯穿孔与位于不同层的触控像素连接，制作工艺比较复杂，制程良率较低。
故，有必要提供一种触控显示面板及触控显示装置，以解决现有技术所存在的问题。
 技术问题
本发明的目的在于提供一种制作工艺简单且制程良率较高的触控显示面板及触控显示装置；以解决现有的触控显示面板及触控显示装置的制作工艺比较复杂以及制程良率较低的技术问题。
 技术解决方案
本发明实施例提供一种触控显示面板，其包括：
彩膜基板；
阵列基板；
液晶层，设置在所述彩膜基板和所述阵列基板之间；
其中所述阵列基板上设置有：
薄膜晶体管阵列层，设置有用于传输扫描信号以及数据信号的薄膜晶体管；
公共电极层，设置在所述薄膜晶体管阵列层上，用于提供公共信号以及用于接收触控信号，其包括驱动部、感应部以及公共信号部；
感测层，设置在所述公共电极层上，其包括驱动引线以及感应引线；发送同一触控驱动信号的所述驱动引线通过所述公共电极层的所述驱动部相互连接，接收同一触控感应信号的所述感应引线通过所述公共电极层的所述感应部相互连接；以及
像素电极层，通过第一贯穿孔与所述薄膜晶体管连接；
其中所述薄膜晶体管阵列层、所述公共电极层、所述感测层以及所述像素电极层通过介质层相互隔开；
发送同一触控驱动信号的相邻的所述驱动引线通过第二贯穿孔连接到所述公共电极层的同一所述驱动部上；
接收同一触控感应信号的相邻的所述感应引线通过第三贯穿孔连接到所述公共电极层的同一所述感应部上。
在本发明所述的触控显示面板中，所述公共电极层还包括公共信号连通部；其中同一公共线的所述公共信号部通过相应的所述公共信号连通部连接。
在本发明所述的触控显示面板中，所述感测层以金属网格的方式设置所述感应引线。
在本发明所述的触控显示面板中，当所述触控显示面板处于显示模式时，驱动芯片通过连接各所述公共信号部的所述公共信号连通部给所述公共电极层的所有所述公共信号部提供所述公共信号；所述驱动芯片通过所述驱动引线给所述公共电极层的所有的所述驱动部提供所述公共信号。
在本发明所述的触控显示面板中，当所述触控显示面板处于触控模式时，触控芯片通过所述驱动引线逐行传输所述触控驱动信号给所述公共电极层的各个所述驱动部，同时所述公共电极层的各个所述感应部可通过所述感应引线将所述触控感应信号传输至所述触控芯片。
在本发明所述的触控显示面板中，所述感测层的所述感应引线设置在所述公共信号部的正上侧。
本发明实施例提供一种触控显示面板，其包括：
彩膜基板；
阵列基板；
液晶层，设置在所述彩膜基板和所述阵列基板之间；
其中所述阵列基板上设置有：
薄膜晶体管阵列层，设置有用于传输扫描信号以及数据信号的薄膜晶体管；
公共电极层，设置在所述薄膜晶体管阵列层上，用于提供公共信号、以及用于接收触控信号，其包括驱动部、感应部以及公共信号部；
感测层，设置在所述公共电极层上，其包括驱动引线以及感应引线，发送同一触控驱动信号的所述驱动引线通过所述公共电极层的所述驱动部相互连接，接收同一触控感应信号的所述感应引线通过所述公共电极层的所述感应部相互连接；以及
像素电极层，通过第一贯穿孔与所述薄膜晶体管连接；
其中所述薄膜晶体管阵列层、所述公共电极层、所述感测层以及所述像素电极层通过介质层相互隔开。
在本发明所述的触控显示面板中，发送同一触控驱动信号的相邻的所述驱动引线通过第二贯穿孔连接到所述公共电极层的同一所述驱动部上。
在本发明所述的触控显示面板中，接收同一触控感应信号的相邻的所述感应引线通过第三贯穿孔连接到所述公共电极层的同一所述感应部上。
在本发明所述的触控显示面板中，所述公共电极层还包括公共信号连通部；其中同一公共线的所述公共信号部通过相应的所述公共信号连通部连接。
在本发明所述的触控显示面板中，所述感测层以金属网格的方式设置所述感应引线。
在本发明所述的触控显示面板中，当所述触控显示面板处于显示模式时，驱动芯片通过连接各所述公共信号部的所述公共信号连通部给所述公共电极层的所有所述公共信号部提供所述公共信号；所述驱动芯片通过所述驱动引线给所述公共电极层的所有的所述驱动部提供所述公共信号。
在本发明所述的触控显示面板中，当所述触控显示面板处于触控模式时，触控芯片通过所述驱动引线逐行传输所述触控驱动信号给所述公共电极层的各个所述驱动部，同时所述公共电极层的各个所述感应部可通过所述感应引线将所述触控感应信号传输至所述触控芯片。
在本发明所述的触控显示面板中，所述感测层的所述感应引线设置在所述公共信号部的正上侧。
本发明实施例还提供一种触控显示装置，其包括背光源以及触控显示面板；其中所述触控显示面板包括：
彩膜基板；
阵列基板；
液晶层，设置在所述彩膜基板和所述阵列基板之间；
其中所述阵列基板上设置有：
薄膜晶体管阵列层，设置有用于传输扫描信号以及数据信号的薄膜晶体管；
公共电极层，设置在所述薄膜晶体管阵列层上，用于提供公共信号、以及用于接收触控信号，其包括驱动部、感应部以及公共信号部；
感测层，设置在所述公共电极层上，其包括驱动引线以及感应引线，发送同一触控驱动信号的所述驱动引线通过所述公共电极层的所述驱动部相互连接，接收同一触控感应信号的所述感应引线通过所述公共电极层的所述感应部相互连接；以及
像素电极层，通过第一贯穿孔与所述薄膜晶体管连接；
其中所述薄膜晶体管阵列层、所述公共电极层、所述感测层以及所述像素电极层通过介质层相互隔开。
在本发明所述的触控显示装置中，发送同一触控驱动信号的相邻的所述驱动引线通过第二贯穿孔连接到所述公共电极层的同一所述驱动部上。
在本发明所述的触控显示装置中，接收同一触控感应信号的相邻的所述感应引线通过第三贯穿孔连接到所述公共电极层的同一所述感应部上。
在本发明所述的触控显示装置中，所述公共电极层还包括公共信号连通部；其中同一公共线的所述公共信号部通过相应的所述公共信号连通部连接。
在本发明所述的触控显示装置中，所述感测层以金属网格的方式设置所述感应引线。
在本发明所述的触控显示装置中，所述感测层的所述感应引线设置在所述公共信号部的正上侧。
 有益效果
本发明的触控显示面板及触控显示装置通过感测层和公共电极层的设置，实现了公共信号和触控信号的传输，整个制作工艺简单，且制作良率较高；解决了现有的触控显示面板及触控显示装置的制作工艺比较复杂以及制程良率较低的技术问题。
 附图说明
图1为本发明的触控显示面板的优选实施例的结构示意图；
图2为本发明的触控显示面板的优选实施例感测层和公共电极层的俯视结构示意图；
图3为本发明的触控显示面板的优选实施例感测层和公共电极层的立体结构示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
在图中，结构相似的单元是以相同标号表示。
请参照图1，图1为本发明的触控显示面板的优选实施例的结构示意图。本优选实施例的触控显示面板10包括彩膜基板11、阵列基板12、液晶层13。其中阵列基板12上设置有薄膜晶体管阵列层14、公共电极层15、感测层16以及像素电极层17；薄膜晶体管阵列层14设置有用于传输扫描信号以及数据信号的薄膜晶体管。公共电极层15设置在薄膜晶体管阵列层14上，用于提供公共信号、以及用于接收触控信号，其包括驱动部151、感应部152、公共信号部153以及公共信号连通部154，其中同一公共线的公共信号部153通过相应的公共信号连通部154连接。感测层16设置在公共电极层15上，其包括驱动引线161以及感应引线162，发送同一触控驱动信号的驱动引线161通过公共电极层15的驱动部151相互连接，接收同一触控感应信号的感应引线162通过公共电极层15的感应部152相互连接。像素电极层17通过第一贯穿孔（图中未示出）与薄膜晶体管阵列层14的薄膜晶体管连接。薄膜晶体管阵列层14、公共电极层15、感测层16以及像素电极层17通过介质层18相互隔开。
请参照图2和图3，图2为本发明的触控显示面板的优选实施例感测层和公共电极层的俯视结构示意图，图3为本发明的触控显示面板的优选实施例感测层和公共电极层的立体结构示意图。本优选实施例的触控显示面板10中的发送同一触控驱动信号的相邻的驱动引线161，即同一行的驱动引线161通过介质层18上的第二贯穿孔181连接到公共电极层15的同一驱动部151上，以保证触控驱动信号可以传输到出触控显示面板10的公共电极层15的各个驱动部151上。触控显示面板10中的接收同一触控感应信号的相邻的感应引线162，即同一列的感应引线162通过介质层18上的第三贯穿孔182连接到公共电极层15的同一感应部152上，以保证公共电极层15的各个感应部152产生的触控感应信号均可传输到外部的触控芯片上。
本优选实施例的触控显示面板10使用时，如该触控显示面板10处于显示模式时，驱动芯片给公共电极层15输入公共信号，驱动芯片通过连接各公共信号部153的公共信号连通部154给公共电极层15的所有的公共信号部153提供公共信号。同时驱动芯片通过驱动引线161给公共电极层15的所有的驱动部151提供公共信号。这时公共电极层15的感应部152悬空。由于公共电极层15的大部分区域均具有公共信号，因此该触控显示面板10可正常进行显示操作。
如该触控显示面板10处于触控模式时，触控芯片通过驱动引线161逐行传输触控驱动信号给公共电极层15的各个驱动部151，同时公共电极层15的各个感应部152可通过感应引线162将触控感应信号传输至触控芯片。这样即可完成整个触控操作的检测过程。这时公共电极层15的公共信号部153以及公共信号连通部154均悬空。
在本优选实施例中，感测层16的感应引线162设置在公共信号部153的正上侧，且感应引线162以金属网格的方式进行设置，这样在该触控显示面板10处于触控模式时，悬空的公共信号部153与感测层16的金属网格状的感应引线162进行耦合，从而增大感应引线162的信号感应量，增加触控感应信号的信噪比。
本发明的触控显示面板通过感测层和公共电极层的设置，实现了公共信号和触控信号的传输，整个制作工艺简单，且制作良率较高。
本发明还提供一种触控显示装置，该触控显示装置包括背光源以及触控显示面板，该触控显示面板包括彩膜基板、阵列基板以及设置在彩膜基板和阵列基板之间的液晶层。
其中阵列基板上设置有薄膜晶体管阵列层、公共电极层、感测层以及像素电极层；薄膜晶体管阵列层设置有用于传输扫描信号以及数据信号的薄膜晶体管。公共电极层设置在薄膜晶体管阵列层上，用于提供公共信号、以及用于接收触控信号，其包括驱动部、感应部、公共信号部以及公共信号连通部，其中同意公共线的公共信号部通过相应的公共信号连通部连接。感测层设置在公共电极层上，其包括驱动引线以及感应引线，发送同一触控驱动信号的驱动引线通过公共电极层的驱动部相互连接，接收同一触控感应信号的感应引线通过公共电极层的感应部相互连接。像素电极层通过第一贯穿孔与薄膜晶体管阵列层的薄膜晶体管连接。薄膜晶体管阵列层、公共电极层、感测层以及像素电极层通过介质层相互隔开。
优选的，发送同一触控驱动信号的相邻的驱动引线通过第二贯穿孔连接到公共电极层的同一所述驱动部上。
优选的，接收同一触控感应信号的相邻的感应引线通过第三贯穿孔连接到公共电极层的同一所述感应部上。
优选的，感测层以金属网格的方式在公共信号部的正上方设置感应引线。
本发明的触控显示装置的具体工作原理与上述的触控显示面板的优选实施例中的相关描述相同或相似，具体请参见上述触控显示面板的优选实施例中的相关描述。
本发明的触控显示面板及触控显示装置通过感测层和公共电极层的设置，实现了公共信号和触控信号的传输，整个制作工艺简单，且制作良率较高；解决了现有的触控显示面板及触控显示装置的制作工艺比较复杂以及制程良率较低的技术问题。
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 (20)

  1. 一种触控显示面板，其包括：
    彩膜基板；
    阵列基板；
    液晶层，设置在所述彩膜基板和所述阵列基板之间；
    其中所述阵列基板上设置有：
    薄膜晶体管阵列层，设置有用于传输扫描信号以及数据信号的薄膜晶体管；
    公共电极层，设置在所述薄膜晶体管阵列层上，用于提供公共信号以及用于接收触控信号，其包括驱动部、感应部以及公共信号部；
    感测层，设置在所述公共电极层上，其包括驱动引线以及感应引线；发送同一触控驱动信号的所述驱动引线通过所述公共电极层的所述驱动部相互连接，接收同一触控感应信号的所述感应引线通过所述公共电极层的所述感应部相互连接；以及
    像素电极层，通过第一贯穿孔与所述薄膜晶体管连接；
    其中所述薄膜晶体管阵列层、所述公共电极层、所述感测层以及所述像素电极层通过介质层相互隔开；
    发送同一触控驱动信号的相邻的所述驱动引线通过第二贯穿孔连接到所述公共电极层的同一所述驱动部上；
    接收同一触控感应信号的相邻的所述感应引线通过第三贯穿孔连接到所述公共电极层的同一所述感应部上。
  2. 根据权利要求1所述的触控显示面板，其中所述公共电极层还包括公共信号连通部；其中同一公共线的所述公共信号部通过相应的所述公共信号连通部连接。
  3. 根据权利要求1所述的触控显示面板，其中所述感测层以金属网格的方式设置所述感应引线。
  4. 根据权利要求1所述的触控显示面板，其中当所述触控显示面板处于显示模式时，驱动芯片通过连接各所述公共信号部的所述公共信号连通部给所述公共电极层的所有所述公共信号部提供所述公共信号；所述驱动芯片通过所述驱动引线给所述公共电极层的所有的所述驱动部提供所述公共信号。
  5. 根据权利要求1所述的触控显示面板，其中当所述触控显示面板处于触控模式时，触控芯片通过所述驱动引线逐行传输所述触控驱动信号给所述公共电极层的各个所述驱动部，同时所述公共电极层的各个所述感应部可通过所述感应引线将所述触控感应信号传输至所述触控芯片。
  6. 根据权利要求1所述的触控显示面板，其中所述感测层的所述感应引线设置在所述公共信号部的正上侧。
  7. 一种触控显示面板，其包括：
    彩膜基板；
    阵列基板；
    液晶层，设置在所述彩膜基板和所述阵列基板之间；
    其中所述阵列基板上设置有：
    薄膜晶体管阵列层，设置有用于传输扫描信号以及数据信号的薄膜晶体管；
    公共电极层，设置在所述薄膜晶体管阵列层上，用于提供公共信号以及用于接收触控信号，其包括驱动部、感应部以及公共信号部；
    感测层，设置在所述公共电极层上，其包括驱动引线以及感应引线；发送同一触控驱动信号的所述驱动引线通过所述公共电极层的所述驱动部相互连接，接收同一触控感应信号的所述感应引线通过所述公共电极层的所述感应部相互连接；以及
    像素电极层，通过第一贯穿孔与所述薄膜晶体管连接；
    其中所述薄膜晶体管阵列层、所述公共电极层、所述感测层以及所述像素电极层通过介质层相互隔开。
  8. 根据权利要求7所述的触控显示面板，其中发送同一触控驱动信号的相邻的所述驱动引线通过第二贯穿孔连接到所述公共电极层的同一所述驱动部上。
  9. 根据权利要求7所述的触控显示面板，其中接收同一触控感应信号的相邻的所述感应引线通过第三贯穿孔连接到所述公共电极层的同一所述感应部上。
  10. 根据权利要求7所述的触控显示面板，其中所述公共电极层还包括公共信号连通部；其中同一公共线的所述公共信号部通过相应的所述公共信号连通部连接。
  11. 根据权利要求7所述的触控显示面板，其中所述感测层以金属网格的方式设置所述感应引线。
  12. 根据权利要求7所述的触控显示面板，其中当所述触控显示面板处于显示模式时，驱动芯片通过连接各所述公共信号部的所述公共信号连通部给所述公共电极层的所有所述公共信号部提供所述公共信号；所述驱动芯片通过所述驱动引线给所述公共电极层的所有的所述驱动部提供所述公共信号。
  13. 根据权利要求7所述的触控显示面板，其中当所述触控显示面板处于触控模式时，触控芯片通过所述驱动引线逐行传输所述触控驱动信号给所述公共电极层的各个所述驱动部，同时所述公共电极层的各个所述感应部可通过所述感应引线将所述触控感应信号传输至所述触控芯片。
  14. 根据权利要求7所述的触控显示面板，其中所述感测层的所述感应引线设置在所述公共信号部的正上侧。
  15. 一种触控显示装置，其包括背光源以及触控显示面板；其中所述触控显示面板包括：
    彩膜基板；
    阵列基板；
    液晶层，设置在所述彩膜基板和所述阵列基板之间；
    其中所述阵列基板上设置有：
    薄膜晶体管阵列层，设置有用于传输扫描信号以及数据信号的薄膜晶体管；
    公共电极层，设置在所述薄膜晶体管阵列层上，用于提供公共信号、以及用于接收触控信号，其包括驱动部、感应部以及公共信号部；
    感测层，设置在所述公共电极层上，其包括驱动引线以及感应引线，发送同一触控驱动信号的所述驱动引线通过所述公共电极层的所述驱动部相互连接，接收同一触控感应信号的所述感应引线通过所述公共电极层的所述感应部相互连接；以及
    像素电极层，通过第一贯穿孔与所述薄膜晶体管连接；
    其中所述薄膜晶体管阵列层、所述公共电极层、所述感测层以及所述像素电极层通过介质层相互隔开。
  16. 根据权利要求15所述的触控显示装置，其中发送同一触控驱动信号的相邻的所述驱动引线通过第二贯穿孔连接到所述公共电极层的同一所述驱动部上。
  17. 根据权利要求15所述的触控显示装置，其中接收同一触控感应信号的相邻的所述感应引线通过第三贯穿孔连接到所述公共电极层的同一所述感应部上。
  18. 根据权利要求15所述的触控显示装置，其中所述公共电极层还包括公共信号连通部；其中同一公共线的所述公共信号部通过相应的所述公共信号连通部连接。
  19. 根据权利要求15所述的触控显示装置，其中所述感测层以金属网格的方式设置所述感应引线。
  20. 根据权利要求15所述的触控显示装置，其中所述感测层的所述感应引线设置在所述公共信号部的正上侧。
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