CN108646941A - The detection method of tft array substrate and tft array substrate - Google Patents

The detection method of tft array substrate and tft array substrate Download PDF

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Publication number
CN108646941A
CN108646941A CN201810387653.8A CN201810387653A CN108646941A CN 108646941 A CN108646941 A CN 108646941A CN 201810387653 A CN201810387653 A CN 201810387653A CN 108646941 A CN108646941 A CN 108646941A
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control
touch
cabling
switch unit
detection signal
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CN108646941B (en
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廖作敏
张启沛
苗思文
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Wuhan China Star Optoelectronics Technology Co Ltd
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Wuhan China Star Optoelectronics Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412Digitisers structurally integrated in a display
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/1306Details
    • G02F1/1309Repairing; Testing
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136286Wiring, e.g. gate line, drain line
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/1368Active matrix addressed cells in which the switching element is a three-electrode device
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136254Checking; Testing
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Human Computer Interaction (AREA)
  • Liquid Crystal (AREA)

Abstract

The present invention provides the detection method of a kind of tft array substrate and tft array substrate.The tft array substrate includes the first touch control detection signal output module and the second touch control detection signal output module,First touch control detection signal output module includes corresponding with a plurality of touch-control cabling respectively and multiple first switch units of control terminal access first control signal,Second touch control detection signal output module includes corresponding with a plurality of touch-control cabling respectively and multiple second switch units of control terminal access second control signal,When carrying out touch control detection to tft array substrate,By adjusting first control signal and second control signal,The first touch control detection signal output module or the second touch control detection signal output module can be utilized to export touch control detection signal to a plurality of touch-control cabling,Even if one in two touch control detection signal output modules is damaged,It still is able to ensure the reliable output of touch control detection signal,With higher product quality.

Description

The detection method of tft array substrate and tft array substrate
Technical field
The present invention relates to display technology field more particularly to the detection sides of a kind of tft array substrate and tft array substrate Method.
Background technology
In display technology field, liquid crystal display device (Liquid Crystal Display, LCD), organic light-emitting diodes The panel display apparatus such as pipe (Organic Light-Emitting Diode, OLED) display gradually replace cathode-ray Manage (Cathode Ray Tube, CRT) display device.Liquid crystal display device has thin fuselage, power saving, radiationless etc. numerous excellent Point, is widely used.
Liquid crystal display device on existing market is largely backlight liquid crystal display device comprising liquid crystal display panel And backlight module (backlight module).Usual liquid crystal display panel is by color film (Color Filter, CF) substrate, film Transistor (Thin Film Transistor, TFT) array substrate is sandwiched between color membrane substrates and thin-film transistor array base-plate Liquid crystal (Liquid Crystal, LC) and sealing glue frame (Sealant) composition.The operation principle of liquid crystal display panel is two Place liquid crystal molecule in the parallel glass substrate of piece, there are many tiny electric wire vertically and horizontally among two panels glass substrate, Liquid crystal molecule is controlled whether by being powered and changes direction, and the light refraction of backlight module is out generated into picture.
The existing liquid crystal display panel with touch function can make a plurality of touch-control cabling and more on tft array substrate A touch-control sensing terminal, multiple touch-control sensing terminals are located in the viewing area of tft array substrate, and a plurality of touch-control cabling is touched with multiple Sensing terminals connection is controlled, for transmitting touch sense signals to multiple touch-control sensing terminals.It can for ensure each touch-control cabling By property, the prior art can make touch control detection signal output apparatus on the outside of the viewing area of tft array substrate, and by TFT gusts Row substrate and color membrane substrates group are filled with before forming display panel, using touch control detection signal output apparatus to a plurality of touch-control cabling Touch control detection signal is inputted, then detects whether each touch-control sensing terminal can work normally, has touch-control cabling to block cubing Undesirable product reduces cost of manufacture.Using the tft array substrate of this kind of structure, touch control detection signal output apparatus once exists Be damaged in processing procedure (such as electrostatic breakdown damage etc.) just can not normally export touch control detection signal, can not be to touch-control cabling It is bad effectively to be detected.
Invention content
The purpose of the present invention is to provide a kind of tft array substrates, and the reliable of touch control detection signal is exported to touch-control cabling Property high, superior product quality.
Another object of the present invention is to provide a kind of detection methods of tft array substrate, can reliably be walked to touch-control Line exports touch control detection signal, and easy to operate.
To achieve the above object, present invention firstly provides a kind of tft array substrate, including it is substrate, more on substrate It row touch-control cabling, the first touch control detection signal output module being electrically connected with multiple row touch-control cabling and is walked with multiple row touch-control The second touch control detection signal output module that line is electrically connected;
The first touch control detection signal output module includes multiple first switches corresponding with a plurality of touch-control cabling respectively Unit;The control terminal of the first switch unit accesses first control signal, and output end is electrically connected corresponding touch-control cabling;With The input terminal of the corresponding first switch unit of odd column touch-control cabling accesses the first touch control detection signal, with even column touch-control cabling The input terminal of corresponding first switch unit accesses the second touch control detection signal;
The second touch control detection signal output module includes multiple second switches corresponding with a plurality of touch-control cabling respectively Unit;The control terminal of the second switch unit accesses second control signal, and output end is electrically connected corresponding touch-control cabling;With The input terminal of the corresponding second switch unit of odd column touch-control cabling accesses the first touch control detection signal, with even column touch-control cabling The input terminal of corresponding second switch unit accesses the second touch control detection signal.
The substrate includes effective display area and the chip bonding area set on effective display area one end;The a plurality of touch-control Cabling is respectively positioned in effective display area;The first touch control detection signal output module is located at chip bonding area and effective display area Between;The second touch control detection signal output module is located at the one end of chip bonding area far from effective display area.
The first touch control detection signal output module further includes first control signal cabling and at least one with described the The first control signal that one control signal lead is electrically connected generates unit;The control terminal of the multiple first switch unit is electric Property connection first control signal cabling;The first control signal generates unit and is used to provide first to first control signal cabling Control signal.
The first touch control detection signal output module includes that two first control signals generate unit, this two first controls Signal generation unit processed is connect with the both ends of first control signal cabling respectively.
The second touch control detection signal output module further includes second control signal cabling and at least one with described the The second control signal that two control cablings are electrically connected generates unit, and the control terminal of the multiple second switch unit electrically connects Second control signal cabling is connect, the second control signal generates unit and is used to provide the second control to second control signal cabling Signal.
The second touch control detection signal output module includes that a second control signal generates unit, this one second control Signal generation unit processed and one end of second control signal cabling are electrically connected.
The first switch unit is the first N-type TFT, and the grid of first N-type TFT is first The control terminal of switch unit, source electrode are the input terminal of first switch unit, are drained as the output end of first switch unit.
The second switch unit is the second N-type TFT, and the grid of second N-type TFT is second The control terminal of switch unit, source electrode are the input terminal of second switch unit, are drained as the output end of second switch unit.
The substrate further includes being set to flexible PCB binding area of the chip bonding area far from effective display area one end;
The second touch control detection signal output module is set between chip bonding area and flexible PCB binding area.
The present invention also provides a kind of detection methods of tft array substrate, for being examined to above-mentioned tft array substrate It surveys, including:
The first control signal controls multiple first switch unit conductings, the second control signal control multiple second Switch unit ends, and the first touch control detection signal inputs odd column through first switch unit corresponding with the touch-control cabling of odd column Touch-control cabling in, the second touch control detection signal through first switch unit corresponding with the touch-control cabling of even column input even column Touch-control cabling in;
The first control signal controls multiple first switch unit cut-offs, the second control signal control multiple second Switching means conductive, the first touch control detection signal input odd column through second switch unit corresponding with the touch-control cabling of odd column Touch-control cabling in, the second touch control detection signal through second switch unit corresponding with the touch-control cabling of even column input even column Touch-control cabling in.
Beneficial effects of the present invention:A kind of tft array substrate provided by the invention is exported including the first touch control detection signal Module and the second touch control detection signal output module, the first touch control detection signal output module include being walked respectively with a plurality of touch-control Multiple first switch units of line correspondence and control terminal access first control signal, the second touch control detection signal output module include Multiple second switch units of corresponding with a plurality of touch-control cabling respectively and control terminal access second control signal, to tft array When substrate carries out touch control detection, by adjusting first control signal and second control signal, the first touch control detection can be utilized to believe Number output module or the second touch control detection signal output module export touch control detection signal to a plurality of touch-control cabling, even if two are touched One in control detection signal output module is damaged, and still is able to ensure the reliable output of touch control detection signal, have higher Product quality.A kind of detection method of tft array substrate provided by the invention reliably can export touch-control to touch-control cabling Signal is detected, and easy to operate.
Description of the drawings
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with the detailed of the present invention Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the structural schematic diagram of the tft array substrate of the present invention;
Fig. 2 is the flow chart of the test method of the tft array substrate of the present invention.
Specific implementation mode
Further to illustrate the technological means and its effect of the invention taken, below in conjunction with the preferred implementation of the present invention Example and its attached drawing are described in detail.
Referring to Fig. 1, the present invention provides a kind of tft array substrate, including substrate 100, the multiple row on substrate 100 are touched The the first touch control detection signal output module 310 and and multiple row that control cabling 200 and multiple row touch-control cabling 200 are electrically connected The second touch control detection signal output module 320 that touch-control cabling 200 is electrically connected.
The first touch control detection signal output module 310 includes respectively corresponding with a plurality of touch-control cabling 200 multiple the One switch unit 311.The control terminal of the first switch unit 311 accesses first control signal TPEN1, and output end is electrically connected Corresponding touch-control cabling 200.The input terminal access first of first switch unit corresponding with odd column touch-control cabling 200 311 is touched The input terminal of control detection signal TPDO, first switch unit corresponding with even column touch-control cabling 200 311 access the inspection of the second touch-control Survey signal TPDE.
The second touch control detection signal output module 320 includes respectively corresponding with a plurality of touch-control cabling 200 multiple the Two switch units 321.The control terminal of the second switch unit 321 accesses second control signal TPEN2, and output end is electrically connected Corresponding touch-control cabling 200.The input terminal access first of second switch unit corresponding with odd column touch-control cabling 200 321 is touched The input terminal of control detection signal TPDO, second switch unit corresponding with even column touch-control cabling 200 321 access the inspection of the second touch-control Survey signal TPDE.
Specifically, referring to Fig. 1, the substrate 100 is including effective display area 110 and is set to 110 one end of effective display area Chip bonding area 120, the chip bonding area 120 be used for bind for drive tft array substrate work IC chip (IC).The a plurality of touch-control cabling 200 is respectively positioned in effective display area 110.The first touch control detection signal output module 310 Between chip bonding area 120 and effective display area 110.The second touch control detection signal output module 320 is located at chip Bind the one end of area 120 far from effective display area 110.
Further, the substrate 100 further includes being set to chip bonding area 120 far from the soft of 110 one end of effective display area Property circuit board bind area 130, which binds area 130 and is used to bind with flexible PCB, and then makes tft array substrate It is electrically connected with its external circuit structure.The second touch control detection signal output module 320 be set to chip bonding area 120 with Flexible PCB is bound between area 130.
Specifically, the tft array substrate further includes the multiple touch-control sensing terminals being arranged in effective display area 110 (not shown), each touch-control sensing terminal is corresponded to be electrically connected with a touch-control cabling 200, for realizing touch-control sensing function.
Specifically, referring to Fig. 1, the first touch control detection signal output module 310 further includes that first control signal is walked Line 312 and at least one first control signal being electrically connected with the first control signal cabling 312 generate unit 313.Institute The control terminal for stating multiple first switch units 311 is electrically connected first control signal cabling 312.The first control signal production Raw unit 313 is used to provide first control signal TPEN1 to first control signal cabling 312.
Further, in the embodiment shown in fig. 1, the first touch control detection signal output module 310 includes two First control signal generates unit 313, two first control signals generate units 313 respectively with first control signal cabling 312 both ends connection.Certainly, in other embodiments of the invention, in order to reduce the first touch control detection signal output module 310 A control signal generation unit 313 also can be only arranged in the shared area on substrate 100.And in other implementations of the present invention Example in, in order to increase driving capabilities of the first control signal TPEN1 to multiple first switch units 311, may also set up two with On first control signal generate unit 313, do not interfere with the present invention realization.
Specifically, referring to Fig. 1, the second touch control detection signal output module 320 further includes that second control signal is walked Line 322 and at least one second control signal that the electric connection of cabling 322 is controlled with described second generate unit 323, described more The control terminal of a second switch unit 321 is electrically connected second control signal cabling 322, and the second control signal generates single Member 323 to second control signal cabling 322 for providing second control signal TPEN2.
Further, in the embodiment shown in fig. 1, the second touch control detection signal output module 320 includes one Second control signal generates unit 323, which generates unit 323 and second control signal cabling 322 One end is electrically connected.Certainly, in other embodiments of the invention, in order to increase second control signal TPEN2 to multiple second The driving capability of switch unit 321 may also set up two or more second control signals and generate unit 323, will not Influence the realization of the present invention.
Specifically, in the embodiment shown in fig. 1, the first switch unit 311 is the first N-type TFT T1, The grid of the first N-type TFT T1 is the control terminal of first switch unit 311, and source electrode is first switch unit 311 Input terminal, drain as the output end of first switch unit 311.The second switch unit 321 is the second N-type TFT The grid of T2, the second N-type TFT T1 are the control terminal of second switch unit 321, and source electrode is second switch unit 321 input terminal drains as the output end of second switch unit 321.Certainly, in other embodiments of the invention, can also set It is P-type TFT or first switch unit 311 and second to set first switch unit 311 and second switch unit 321 One in switch unit 321 is P-type TFT, another is N-type TFT, this does not interfere with the present invention's It realizes.
By taking embodiment shown in FIG. 1 as an example, when the tft array substrate to the present invention carries out touch control detection, by making the One control signal TPEN1 is high level, controls multiple first switch units 311 and is connected, and makes second control signal TPEN2 simultaneously For low level, controls multiple second switch units 321 and end, the first touch control detection signal TPDO is through the touch-control with odd column at this time 200 corresponding first switch unit 311 of cabling inputs in the touch-control cabling 200 of odd column, the second touch control detection signal TPDE warps First switch unit 311 corresponding with the touch-control cabling 200 of even column inputs in the touch-control cabling 200 of even column, and by making First control signal TPEN1 is low level, controls multiple first switch units 311 and ends, and makes second control signal simultaneously TPEN2 is high level, controls multiple second switch units 321 and is connected, and the first touch control detection signal TPDO passes through tactile with odd column In the touch-control cabling 200 for controlling 200 corresponding second switch unit 321 of cabling input odd column, the second touch control detection signal TPDE It is inputted through second switch unit 321 corresponding with the touch-control cabling 200 of even column in the touch-control cabling 200 of even column, Ye Jiben In invention, by that first control signal TPEN1 and second control signal TPEN2 adjustment, the first touch control detection can be utilized to believe One in number output module 310 and the second touch control detection signal output module 320 provides touch-control inspection for a plurality of touch-control cabling 200 Signal is surveyed, it is another as one in the first, second touch control detection signal output module 310,320 because processing procedure reason is damaged It is a to can continue to provide touch control detection signal for touch-control cabling 200, it can be promoted to touch-control cabling 200 and touch control detection letter is provided Number reliability, do not interfere with the detection to tft array substrate, the reliability of detection made to be promoted.Further, the present invention is by Two touch control detection signal output modules 320 are arranged in the one end of chip bonding area 120 far from effective display area 110, specially core Piece is bound between area 120 and flexible PCB binding area 130, due in the prior art, chip bonding area and flexible PCB it Between there are the region of blank, then can be fully sharp by the region in the region by the setting of the second touch control detection signal output module 320 With the additional space for the second touch control detection signal output module 320 to be arranged will not be increased on substrate 100.
Referring to Fig. 2, being based on same inventive concept, the present invention also provides a kind of detection methods of tft array substrate, are used for Tft array substrate shown in FIG. 1 is detected, repeated description no longer is done to the structure of tft array substrate herein.The TFT The detection method of array substrate includes the following steps:
Step S1, the described first control signal TPEN1 controls multiple first switch units 311 and is connected, second control Signal TPEN2, which controls multiple second switch units 321, to be ended, and the first touch control detection signal TPDO is through the touch-control cabling with odd column 200 corresponding first switch units 311 input in the touch-control cabling 200 of odd column, and the second touch control detection signal TPDE is passed through and idol In the touch-control cabling 200 of 200 corresponding first switch unit 311 of the touch-control cabling input even column of ordered series of numbers.
Specifically, in the embodiment shown in fig. 1, in the step S1, by making first control signal TPEN1 be high electricity It is flat, it controls multiple first switch units 311 and is connected, and second control signal TPEN2 is made to be low level, control multiple second simultaneously Switch unit 321 ends.
Step S2, the described first control signal TPEN1, which controls multiple first switch units 311, to be ended, second control Signal TPEN2 controls multiple second switch units 321 and is connected, and the first touch control detection signal TPDO is through the touch-control cabling with odd column 200 corresponding second switch units 321 input in the touch-control cabling 200 of odd column, and the second touch control detection signal TPDE is passed through and idol In the touch-control cabling 200 of 200 corresponding second switch unit 321 of the touch-control cabling input even column of ordered series of numbers.
Specifically, in the embodiment shown in fig. 1, in the step S2, by making first control signal TPEN1 be low electricity It is flat, it controls multiple first switch units 311 and ends, and second control signal TPEN2 is made to be high level, control multiple second simultaneously Switch unit 321 is connected.
It should be noted that the detection method of the tft array substrate of the present invention passes through to first control signal TPEN1 and the Two control signal TPEN2 adjustment, can utilize the first touch control detection signal output module 310 and the second touch control detection signal to export One in module 320 provides touch control detection signal for a plurality of touch-control cabling 200, when the first, second touch control detection signal exports One in module 320 because processing procedure reason is damaged, another can continue to provide touch control detection letter for touch-control cabling 200 Number, the reliability that touch control detection signal is provided to touch-control cabling 200 can be promoted, the detection to tft array substrate is not interfered with, The reliability of detection is set to be promoted.Further, the second touch control detection signal output module 320 is arranged in chip bonding the present invention Between area 130 is bound in the one end of area 120 far from effective display area 110, specially chip bonding area 120 and flexible PCB, by In in the prior art, there are the regions of blank between chip bonding area and flexible PCB, and the second touch control detection signal is exported The setting of module 320 can then make full use of the region in the region, will not increase on substrate 100 additional for setting second The space of touch control detection signal output module 320.
In conclusion the tft array substrate of the present invention includes the first touch control detection signal output module and the second touch-control Signal output module is detected, the first touch control detection signal output module includes corresponding with a plurality of touch-control cabling respectively and control termination Enter multiple first switch units of first control signal, the second touch control detection signal output module includes being walked respectively with a plurality of touch-control Multiple second switch units of line correspondence and control terminal access second control signal are carrying out touch control detection to tft array substrate When, by adjusting first control signal and second control signal, the first touch control detection signal output module or second can be utilized Touch control detection signal output module exports touch control detection signal to a plurality of touch-control cabling, even if two touch control detection signals export mould One in the block is damaged, and still is able to ensure the reliable output of touch control detection signal, has higher product quality.The present invention The detection method of tft array substrate reliably can export touch control detection signal to touch-control cabling, and it is easy to operate.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology Other various corresponding change and deformations are made in design, and all these change and distortions should all belong to the claims in the present invention Protection domain.

Claims (10)

1. a kind of tft array substrate, which is characterized in that including substrate (100), the multiple row touch-control cabling being set on substrate (100) (200), the first touch control detection signal output module (310) and and multiple row being electrically connected with multiple row touch-control cabling (200) The second touch control detection signal output module (320) that touch-control cabling (200) is electrically connected;
The first touch control detection signal output module (310) includes respectively corresponding with a plurality of touch-control cabling (200) multiple the One switch unit (311);The control terminal access first control signal (TPEN1) of the first switch unit (311), output end electricity Property the corresponding touch-control cabling (200) of connection;The input of first switch unit (311) corresponding with odd column touch-control cabling (200) Terminate into the first touch control detection signal (TPDO), first switch unit (311) corresponding with even column touch-control cabling (200) it is defeated Enter to terminate into the second touch control detection signal (TPDE);
The second touch control detection signal output module (320) includes respectively corresponding with a plurality of touch-control cabling (200) multiple the Two switch units (321);The control terminal access second control signal (TPEN2) of the second switch unit (321), output end electricity Property the corresponding touch-control cabling (200) of connection;The input of second switch unit (321) corresponding with odd column touch-control cabling (200) Terminate into the first touch control detection signal (TPDO), second switch unit (321) corresponding with even column touch-control cabling (200) it is defeated Enter to terminate into the second touch control detection signal (TPDE).
2. tft array substrate as described in claim 1, which is characterized in that the substrate (100) includes effective display area (110) and set on effective display area (110) one end chip bonding area (120);The a plurality of touch-control cabling (200) is respectively positioned on In effective display area (110);The first touch control detection signal output module (310) be located at chip bonding area (120) with effectively Between viewing area (110);The second touch control detection signal output module (320) is located at chip bonding area (120) far from effectively One end of viewing area (110).
3. tft array substrate as described in claim 1, which is characterized in that the first touch control detection signal output module (310) further include first control signal cabling (312) and at least one and first control signal cabling (312) is electrically connected First control signal generate unit (313);The control terminal of the multiple first switch unit (311) is electrically connected the first control Signal lead (312) processed;The first control signal generates unit (313) and is used to provide to first control signal cabling (312) First control signal (TPEN1).
4. tft array substrate as claimed in claim 3, which is characterized in that the first touch control detection signal output module (310) include that two first control signals generate units (313), two first control signals generate units (313) respectively with The both ends of first control signal cabling (312) connect.
5. tft array substrate as described in claim 1, which is characterized in that the second touch control detection signal output module (320) further include second control signal cabling (322) and at least one control that cabling (322) is electrically connected with described second the The control terminal of two control signal generation units (323), the multiple second switch unit (321) is electrically connected the second control letter Number cabling (322), the second control signal generate unit (323) and are used to provide second to second control signal cabling (322) Control signal (TPEN2).
6. tft array substrate as claimed in claim 5, which is characterized in that the second touch control detection signal output module (320) include that a second control signal generates unit (323), which generates unit (323) and second The one end for controlling signal lead (322) is electrically connected.
7. tft array substrate as described in claim 1, which is characterized in that the first switch unit (311) is the first N-type Thin film transistor (TFT) (T1), the grid of first N-type TFT (T1) are the control terminal of first switch unit (311), source The extremely input terminal of first switch unit (311) drains as the output end of first switch unit (311).
8. tft array substrate as described in claim 1, which is characterized in that the second switch unit (321) is the second N-type Thin film transistor (TFT) (T2), the grid of second N-type TFT (T1) are the control terminal of second switch unit (321), source The extremely input terminal of second switch unit (321) drains as the output end of second switch unit (321).
9. tft array substrate as claimed in claim 2, which is characterized in that the substrate (100) further includes being set to chip bonding Flexible PCB binding area (130) of the area (120) far from effective display area (110) one end;
The second touch control detection signal output module (320) is set to chip bonding area (120) and binds area with flexible PCB (130) between.
10. a kind of detection method of tft array substrate, for such as claim 1-9 any one of them tft array substrate into Row detection, which is characterized in that including:
The first control signal (TPEN1) controls multiple first switch unit (311) conductings, the second control signal (TPEN2) multiple second switch unit (321) cut-offs are controlled, the first touch control detection signal (TPDO) is walked through the touch-control with odd column In the touch-control cabling (200) of corresponding first switch unit (311) the input odd column of line (200), the second touch control detection signal (TPDE) the touch-control cabling through first switch unit (311) corresponding with touch-control cabling (200) of even column input even column (200) in;
The first control signal (TPEN1) controls multiple first switch unit (311) cut-offs, the second control signal (TPEN2) multiple second switch unit (321) conductings are controlled, the first touch control detection signal (TPDO) is walked through the touch-control with odd column In the touch-control cabling (200) of corresponding second switch unit (321) the input odd column of line (200), the second touch control detection signal (TPDE) the touch-control cabling through second switch unit (321) corresponding with touch-control cabling (200) of even column input even column (200) in.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109697938A (en) * 2019-01-24 2019-04-30 京东方科技集团股份有限公司 Display panel, preparation method, detection method and display device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101303462A (en) * 2008-07-04 2008-11-12 友达光电股份有限公司 Liquid crystal display panel testing circuit and method
CN103632640A (en) * 2012-08-21 2014-03-12 联咏科技股份有限公司 Driving apparatus for liquid crystal display
CN106773388A (en) * 2016-12-30 2017-05-31 深圳市华星光电技术有限公司 The display panel of compatible various frame sizes and the lighting test method of display panel
CN106773174A (en) * 2016-12-30 2017-05-31 武汉华星光电技术有限公司 The method of testing and test device of display panel
CN206248953U (en) * 2016-12-19 2017-06-13 厦门天马微电子有限公司 Display panel and display device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101303462A (en) * 2008-07-04 2008-11-12 友达光电股份有限公司 Liquid crystal display panel testing circuit and method
CN103632640A (en) * 2012-08-21 2014-03-12 联咏科技股份有限公司 Driving apparatus for liquid crystal display
CN206248953U (en) * 2016-12-19 2017-06-13 厦门天马微电子有限公司 Display panel and display device
CN106773388A (en) * 2016-12-30 2017-05-31 深圳市华星光电技术有限公司 The display panel of compatible various frame sizes and the lighting test method of display panel
CN106773174A (en) * 2016-12-30 2017-05-31 武汉华星光电技术有限公司 The method of testing and test device of display panel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109697938A (en) * 2019-01-24 2019-04-30 京东方科技集团股份有限公司 Display panel, preparation method, detection method and display device

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