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 PDFInfo
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- 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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- 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
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- 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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- 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
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- 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
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- 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
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- 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
- G02F1/136254—Checking; Testing
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- 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
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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
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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