CN106842745A - A kind of array base palte, display device and its driving method - Google Patents
A kind of array base palte, display device and its driving method Download PDFInfo
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- CN106842745A CN106842745A CN201710079905.6A CN201710079905A CN106842745A CN 106842745 A CN106842745 A CN 106842745A CN 201710079905 A CN201710079905 A CN 201710079905A CN 106842745 A CN106842745 A CN 106842745A
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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
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- 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
- G02F1/1343—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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Abstract
The present invention provides a kind of array base palte, display device and its driving method, is related to technical field of touch-control display, can improve the reliability of voltage homogeneity and display device.The array base palte includes：Substrate, sets grid line and data wire over the substrate, and the grid line and the data wire intersect restriction sub-pixel；The sub-pixel includes first film transistor, the second thin film transistor (TFT), first transparency electrode and second transparency electrode；The grid of the first film transistor is electrically connected with the grid line, and source electrode is electrically connected with the data wire, and drain electrode is electrically connected with the first transparency electrode；The grid of second thin film transistor (TFT) is electrically connected with touch-control scan line, and source electrode is electrically connected with touch-control lead, and drain electrode is electrically connected with the second transparency electrode；Wherein, the first transparency electrode and the second transparency electrode insulate, and in the orthographic projection no overlap of the substrate.
Description
Technical field
The present invention relates to technical field of touch-control display, more particularly to a kind of array base palte, display device and its driving method.
Background technology
Be integrated in touch electrode structure in display screen by embedded capacitance touch screen, with simple structure, light, thin, cost
Low advantage, increasingly becomes the mainstream technology of touch-screen, for example, it is (all to be increasingly widely used in various portable intelligent terminals
Such as mobile phone) in.
In embedded capacitance touch screen, On-Cell touch-screens and In-Cell touch screens, wherein In-Cell can be divided into
Touch screen can be divided into compound embedded (Hybrid In-Cell, HIC) capacitance touch screen and complete embedded (Full In- again
Cell, FIC) capacitance touch screen.
Current embedded capacitance touch screen is mainly complete embedded (Full In-Cell, FIC) capacitance touch screen, existing
FIC capacitance touch screens, touch control electrode and public electrode are shared so that during display, public electrode voltages homogeneity
It is bad.On this basis, because touching signals are not the positive and negative reverse signal centered on reference voltage, easily make liquid crystal long
Time it is relatively amesiality, cause voltage residual, so as to the flicker for display picture occur is bigger than normal and easily drift etc. phenomenon, enter
And cause the display device, especially LTPS (Low Temperature Poly-silicon, low-temperature polysilicon silicon technology) etc.
The reliability reduction of the display device of high-resolution high-frequency.
The content of the invention
Embodiments of the invention provide a kind of array base palte, display device and its driving method, can improve voltage homogeneity
And the reliability of display device.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
First aspect, there is provided a kind of array base palte, including substrate, sets grid line and data wire over the substrate, institute
State grid line and the data wire intersects restriction sub-pixel；The sub-pixel include first film transistor, the second thin film transistor (TFT),
First transparency electrode and second transparency electrode；The grid of the first film transistor is electrically connected with the grid line, source electrode and institute
Data wire electrical connection is stated, drain electrode is electrically connected with the first transparency electrode；The grid of second thin film transistor (TFT) is swept with touch-control
Line electrical connection is retouched, source electrode is electrically connected with touch-control lead, and drain electrode is electrically connected with the second transparency electrode；Wherein, described first is saturating
Prescribed electrode and the second transparency electrode insulate, and in the orthographic projection no overlap of the substrate.
Preferably, the second transparency electrode is set for one week around the first transparency electrode；Or, the first transparent electricity
Pole is set for one week around the second transparency electrode.
Preferably, the sub-pixel also includes public electrode, public electrode orthographic projection over the substrate and institute
State the orthographic projection over the substrate of first transparency electrode and the second transparency electrode and there is overlapping region.
It is further preferred that the public electrode be arranged on the first transparency electrode and the second transparency electrode away from
The side of the substrate；Wherein, the public electrode includes the strip electrode of multiple electrical connections；Or, the public electrode sets
Put in the first transparency electrode and the second transparency electrode near the side of the substrate；Wherein, the described first transparent electricity
Pole includes the strip electrode of multiple electrical connections；The second transparency electrode includes the strip electrode of multiple electrical connections；Or, it is described
Public electrode is arranged on the first transparency electrode and the second transparency electrode near the side of the substrate；Wherein, it is described
First transparency electrode includes the strip electrode of multiple electrical connections；The second transparency electrode is plane-shape electrode.
Based on above-mentioned preferred, the grid line be arranged in parallel with the touch-control scan line, and synchronous is formed；The data wire
It is be arranged in parallel with the touch-control lead, and synchronous formation.
Preferably, the first film transistor and second thin film transistor (TFT) are synchronously formed；The first transparent electricity
Pole and the second transparency electrode are synchronously formed.
A kind of second aspect, there is provided display device, including the array base palte described in first aspect.
A kind of third aspect, there is provided the driving method of the display device described in second aspect, including：In each frame, grid line
The first scanning signal is input into line by line, and data wire input data signal drives first transparency electrode to be used to show；Meanwhile, touch-control is swept
Retouch line and be input into the second scanning signal line by line, touch-control lead input touch-control drive signal drives second transparency electrode to be used for touch-control；Its
In, consecutive frame, the touch-control lead exports first voltage signal and second voltage signal respectively, and first voltage is higher than common electrical
Pressure, second voltage is less than common electric voltage.
Preferably, at least after grid line described in N+1 rows is input into the first scanning signal, to touch-control scan line described in Nth row
It is input into the second scanning signal；Wherein, grid line is connected with the first film transistor in N+1 row sub-pixels described in N+1 rows, the
Touch-control scan line described in N rows is connected with the second thin film transistor (TFT) in sub-pixel described in Nth row.
Preferably, in a frame time, after the touch-control end of scan, methods described also includes：The touch-control scan line by
Row the second scanning signal of input, the touch-control lead input data signal drives second transparency electrode to be used to show.
The embodiment of the present invention provides a kind of array base palte, display device and its driving method, by each sub-pixel
The first transparency electrode of the drain electrode connection of first film transistor and first film transistor is set, and makes the first film crystal
The grid connection grid line of pipe, source electrode connection data wire, when array base palte is used for display device, are capable of achieving the aobvious of the sub-pixel
Show luminous；On this basis, by setting the drain electrode of the second thin film transistor (TFT) and the second thin film transistor (TFT) in each sub-pixel
The second transparency electrode of connection, and the grid of the second thin film transistor (TFT) is connected touch-control scan line, source electrode connection touch-control lead, can
When applying touch-control drive signal in touch-control scan line, second transparency electrode is set to be based on from capacitance type, or together with public electrode
Based on mutual capacitance type, the identification to position of touch is capable of achieving.Based on this, on the one hand, be based on from appearance side when second transparency electrode is made
When formula is recognized to position of touch, display can be made separate with touch-control, so as to while display, the knowledge of position of touch can be carried out
Not, the reduction in display charging interval will not be caused；On the other hand, due to that need not be shared using touch control electrode and public electrode, because
And the homogeneity of public electrode voltages can not be influenceed；Another further aspect, touch-control scanning is carried out while showing and charging, and can be tactile
Control scanning provides reference voltage, so as in consecutive frame, can adjust the touch-control scanning voltage respectively higher than common electric voltage or
Less than common electric voltage, thus can avoid the occurrence of the flicker of display picture it is bigger than normal and easily drift etc. phenomenon；Based on above-mentioned, the present invention
The reliability of the display device can be improved, the display quality of the display device is improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic top plan view one of array base palte provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic top plan view two of array base palte provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic top plan view three of array base palte provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic top plan view four of array base palte provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic top plan view five of array base palte provided in an embodiment of the present invention；
Fig. 6 is a kind of schematic top plan view six of array base palte provided in an embodiment of the present invention；
Fig. 7 be Fig. 6 in AA ' to schematic cross-sectional view；
Fig. 8 is a kind of schematic top plan view seven of array base palte provided in an embodiment of the present invention；
Fig. 9 be Fig. 8 in BB ' to schematic cross-sectional view；
Figure 10 be Fig. 8 in CC ' to schematic cross-sectional view；
Figure 11 is a kind of schematic top plan view eight of array base palte provided in an embodiment of the present invention；
Figure 12 be Figure 11 in DD ' to schematic cross-sectional view；
Figure 13 be Figure 11 in EE ' to schematic cross-sectional view；
Figure 14 is a kind of timing diagram one of driving display device provided in an embodiment of the present invention；
Figure 15 is a kind of timing diagram two of driving display device provided in an embodiment of the present invention.
Reference：
10- substrates；20- grid lines；30- data wires；40- touch-control scan lines；50- touch-control leads；60- the first film crystal
Pipe；The thin film transistor (TFT)s of 70- second；81- first transparency electrodes；82- second transparency electrodes；83- public electrodes.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of array base palte, as Figure 1-5, including substrate 10, set over the substrate 10
Grid line 20 and data wire 30, grid line 20 and data wire 30 intersect restriction sub-pixel；The sub-pixel includes first film transistor
60th, the second thin film transistor (TFT) 70, first transparency electrode 81 and second transparency electrode 82；The grid and grid of first film transistor 60
Line 20 is electrically connected, and source electrode is electrically connected with data wire 30, and drain electrode is electrically connected with first transparency electrode 81；Second thin film transistor (TFT) 70
Grid is electrically connected with touch-control scan line 40, and source electrode is electrically connected with touch-control lead 50, and drain electrode is electrically connected with second transparency electrode 82；Its
In, first transparency electrode 81 and second transparency electrode 82 insulate, and in the orthographic projection no overlap of substrate 10.
Wherein, electrically connected with grid line 20 by the grid of first film transistor 60, source electrode is electrically connected with data wire 30, drained
Electrically connected with first transparency electrode 81, it is known that, first transparency electrode 81 is used as pixel electrode.On this basis, array base palte is worked as
During for liquid crystal display device, first transparency electrode 81 drives liquid crystal jointly with public electrode, to realize the aobvious of each sub-pixel
Show luminous.Herein, public electrode may be provided on array base palte, can also be not arranged on array base palte.
For second transparency electrode 82, it is mainly used as touch-control.On this basis, it is contemplated that the sweep time that a frame shows
More than the sweep time of a frame touch-control, thus, also second transparency electrode 82 can be used as auxiliary after a frame touch-control is scanned through
Pixel electrode, to expand the display area of each sub-pixel.Certainly, also second transparency electrode 82 can not be used as auxiliary pixel electricity
Pole.When second transparency electrode 82 is as touch control electrode or as subsidiary pixel electrode, come by the signal applied on touch-control lead 50
Make a distinction.
Wherein, when second transparency electrode 82 is used as the identification of touch-control, can be based on being realized to position of touch from capacitance type
Identification, now, can be using second transparency electrode 82 as touch control electrode.That is, scanning signal is input into by touch-control scan line 40 line by line,
Open corresponding second thin film transistor (TFT) 70, touch-control lead 50 is input into touch-control drive signal to second transparency electrode 82, and connects
Touch-control feedback signal is received, so that can be according to touch position, the change of electric capacity in second transparency electrode 82 so that corresponding touch-control draws
The feedback signal that line 50 is received changes, with this determination position of touch.
When second transparency electrode 82 is used as the identification of touch-control, knowledge of the mutual capacitance type realization to position of touch is may be based on
Not, now, public electrode (can be may be provided on array base palte, or work as described by second transparency electrode 82 as driving electrodes
Array base palte be used for liquid crystal display device when, may be provided on box substrate) timesharing be used as induction electrode.That is, swept by touch-control
Retouch line 40 and be input into scanning signal line by line, open corresponding second thin film transistor (TFT) 70, touch-control lead 50 is to second transparency electrode
82 input touch-control drive signals, so that can be according to touch position, the change of electric capacity in second transparency electrode 82 so that touch-control position
The public electrode output touch-control sensing signal at place is put, with this determination position of touch.In the case, for the knot of public electrode
Structure, on the basis of ensureing that each sub-pixel can be shown, needs to coordinate with second transparency electrode 82, to realize to touch-control position
The identification put.
On this basis, because touch-control lead 50 and data wire 30 are separate, therefore it is connected by with touch-control lead 50
IC (integrated circuit), second transparency electrode 82 be used as touch-control identification when, can also realize fingerprint recognition.So, relatively will
The function of fingerprint recognition is produced on the frame of display device so that border width increases, and the present invention is more beneficial for realizing display dress
The narrow frame put.
It should be noted that first, the source electrode of the thin film transistor (TFT) 70 of first film transistor 60 and second, drain electrode are symmetrical
, so its source electrode, drain electrode are not different.Based on this, to distinguish the two poles of the earth of thin film transistor (TFT) in addition to grid, will wherein
One pole is referred to as source electrode, and another pole is referred to as drain electrode.
Second, the concrete structure of the thin film transistor (TFT) 70 of first film transistor 60 and second can be with identical, naturally it is also possible to
Difference, is not specifically limited herein.
First film transistor 60, the second thin film transistor (TFT) 70 can be brilliant for amorphous silicon film transistor, sull
Body pipe, low-temperature polysilicon film transistor, OTFT etc..
Wherein, first film transistor 60, the second thin film transistor (TFT) 70 can be bottom gate type, or top gate type knot
Structure.
3rd, in order to ensure display performance, the size of first transparency electrode 81 should be as big as possible, accordingly, saturating second
Prescribed electrode 82 can realize on the basis of position of touch identification that its size should be as small as possible.
Based on this, the specific set location and structure to first transparency electrode 81 and second transparency electrode 82 are not limited
It is fixed, if both insulation, and orthographic projection no overlap over the substrate 10.For example, in same sub-pixel, such as Fig. 1 and Fig. 5
Shown, first transparency electrode 81 and second transparency electrode 82 can be set along the bearing of trend of data wire 30；Or, such as Fig. 2 institutes
Show, first transparency electrode 81 and second transparency electrode 82 can be set along the bearing of trend of grid line 20；It is of course also possible to such as Fig. 3
Shown, second transparency electrode 82 was set around first transparency electrode 81 1 weeks, or, as shown in figure 4, first transparency electrode 81 is around the
Two transparency electrodes 82 1 weeks are set.
Wherein, in for Fig. 3, it will be understood by those skilled in the art that because the drain electrode of first film transistor 60 need to be across
Second transparency electrode 82 is crossed to be electrically connected with the first transparency electrode 81 positioned at the inner side of second transparency electrode 82, therefore, the need to be ensured
One thin film transistor (TFT) 60 insulate with second transparency electrode 82.Similarly, in Fig. 4, because the drain electrode of the second thin film transistor (TFT) 70 need to be across
First transparency electrode 81 is crossed to be electrically connected with the second transparency electrode 82 positioned at the inner side of first transparency electrode 81, therefore, the need to be ensured
Two thin film transistor (TFT)s 70 insulate with first transparency electrode 81.
Additionally, first transparency electrode 81 and second transparency electrode 82 can be set (that is, by with a patterning processes with layer
Formed), it is also possible to different layers are set.
The embodiment of the present invention provides a kind of array base palte, by set in each sub-pixel first film transistor 60,
The first transparency electrode 81 being connected with the drain electrode of first film transistor 60, and the grid of first film transistor 60 is connected grid
Line 20, source electrode connects data wire 30, and when array base palte is used for display device, the display for being capable of achieving the sub-pixel lights；
On the basis of this, connected by the drain electrode that the second thin film transistor (TFT) 70 and the second thin film transistor (TFT) 70 are set in each sub-pixel
Second transparency electrode 82, and the grid of the second thin film transistor (TFT) 70 is connected touch-control scan line 40, source electrode connection touch-control lead
50, when can apply touch-control drive signal on touch-control lead 50, second transparency electrode 82 is based on from capacitance type, or and common electrical
Pole is based on mutual capacitance type together, is capable of achieving the identification to position of touch.
Based on this, on the one hand, when making second transparency electrode 82 be based on recognizing position of touch from capacitance type, display can be made
It is separate with touch-control, so as to while display, the identification of position of touch can be carried out, will not cause to show subtracting for charging interval
It is small；On the other hand, due to that need not be shared using touch control electrode and public electrode, thus the homogeneous of public electrode voltages can not be influenceed
Property；Another further aspect, touch-control scanning is carried out while showing and charging, and reference voltage can be provided for touch-control scanning, so as in phase
Adjacent frame, can adjust the voltage respectively higher than common electric voltage of touch-control scanning or less than common electric voltage, thus can avoid the occurrence of display
The flicker of picture it is bigger than normal and easily drift etc. phenomenon；Based on above-mentioned, the reliability that the display device can be improved of the invention, improve
The display quality of the display device.
Preferably, as shown in Figure 2-5, for the first film transistor in sub-pixel any one described, with the sub-pixel
The data wire 30 of 60 connections and the touch-control lead 50 being connected with the second thin film transistor (TFT) 70 in the sub-pixel are separately positioned on
The sub-pixel along the direction of grid line 20 both sides.
The embodiment of the present invention by with same sub-pixel in 70 points of 60 and second thin film transistor (TFT) of first film transistor
The data wire 30 and touch-control lead 50 not connected, are separately positioned on both sides of the sub-pixel along the direction of grid line 20, make data wire
Without intersecting between 30 and touch-control lead 50, can avoid producing influence between data wire 30 and touch-control lead 50.
Preferably, as shown in figure 3, second transparency electrode 82 is set for 81 1 weeks around first transparency electrode.
The periphery of first transparency electrode 81 is arranged on due to second transparency electrode 82, therefore, second transparency electrode 82 can rise
To shielding metal wire outside etc. to the interference effect of first transparency electrode 81, so that display effect is more preferable.
Or, as shown in figure 4, first transparency electrode 81 is set for 82 1 weeks around second transparency electrode.
The periphery of second transparency electrode 82 is arranged on due to first transparency electrode 81, therefore, first transparency electrode 81 can rise
To shielding metal wire outside etc. to the interference effect of second transparency electrode 82, so that second transparency electrode 82 exists
Recognition effect during for fine identification such as fingerprint recognition is more preferably.
Preferably, as shown in Fig. 6-Figure 13, the sub-pixel also includes public electrode 83, and public electrode 83 is over the substrate 10
Orthographic projection and the orthographic projection over the substrate 10 of first transparency electrode 81 and second transparency electrode 82 there is overlapping region.
It should be noted that first transparency electrode 81 and second transparency electrode 82 and the insulation set of public electrode 83.
Additionally, it will be recognized by those skilled in the art that because first transparency electrode 81 is used as pixel electrode, and second
Transparency electrode 82 also is used as subsidiary pixel electrode, therefore, the setting of the structure of public electrode 83, needing can be in first transparency electrode 81
Produced between public electrode 83 in the presence of electric field, drive the liquid crystal of the two corresponding region to be deflected accordingly.In this base
On plinth, when second transparency electrode 82 is used as subsidiary pixel electrode, produced between public electrode 83 in the presence of electric field, driven
The liquid crystal of the two corresponding region is deflected accordingly.
, wherein it is desired to special instruction, due to relative data signal, touch-control drive signal very little, therefore, it is saturating second
When prescribed electrode 82 is used for touch-control, the electric field that second transparency electrode 82 and public electrode 83 are formed will not be to second transparency electrode 82
The liquid crystal deflection of corresponding region produces influence, i.e., the region will not light leak.
Be arranged on public electrode 83 on the array base palte by the embodiment of the present invention, and display device can be made to have visible angle
Greatly, fast response time, the advantages of color rendition is accurate.
It is further preferred that as shown in Figure 6 and Figure 7, it is saturating that public electrode 83 may be provided at first transparency electrode 81 and second
Side of the prescribed electrode 82 away from substrate 10；Wherein, public electrode 83 includes the strip electrode of multiple electrical connections.
Based on this, the structure of first transparency electrode 81 and second transparency electrode 82 can be with identical, for example, first transparency electrode
81 and second transparency electrode 82 can be the strip electrodes for including multiple electrical connections, or be plane-shape electrode；First is transparent
Electrode 81 and second transparency electrode 82 can also be differed, for example, first transparency electrode 81 and second transparency electrode 82 are respectively
Plane-shape electrode and the strip electrode including multiple electrical connections.
In the case, after the touch-control end of scan, second transparency electrode 82 can be used to show as subsidiary pixel electrode,
To expand the display area of each sub-pixel.
It should be noted that the public electrode 83 in all sub-pixels can synchronously be formed and is connected as a single entity.
Or, as Figure 8-Figure 10, public electrode 83 may be provided at first transparency electrode 81 and second transparency electrode 82
Near the side of substrate 10；Wherein, first transparency electrode 81 includes the strip electrode of multiple electrical connections；Second transparency electrode 82 is wrapped
Include the strip electrode of multiple electrical connections.
Based on this, public electrode 83 can be plane-shape electrode or the strip electrode including multiple electrical connections.
In the case, after the touch-control end of scan, second transparency electrode 82 can be used to show as subsidiary pixel electrode,
To expand the display area of each sub-pixel.
Or, as figs 11-13, public electrode 83 may be provided at first transparency electrode 81 and second transparency electrode 82 is leaned on
The side of nearly substrate 10；Wherein, first transparency electrode 81 includes the strip electrode of multiple electrical connections；Second transparency electrode 82 is face
Shape electrode.
In the case, second transparency electrode 82 is only used as touch control electrode.
It should be noted that based on the above-mentioned description to the set location of public electrode 83, when second transparency electrode 82 is based on
When identification of the capacitance type to position of touch, the public electrode 83 positioned at all sub-pixel corresponding positions can be connected electrically in one
Rise.
Based on above-mentioned preferred, as shown in Fig. 1-6, Fig. 8 and Figure 11, grid line 20 be arranged in parallel with touch-control scan line 40, and
It is synchronous to be formed；Data wire 30 be arranged in parallel with touch-control lead 50, and synchronous formation.
Wherein, grid line 20 is synchronous with touch-control scan line 40 forms, i.e. form grid line 20 and touch-control by a patterning processes
Scan line 40.Data wire 30 is synchronous with touch-control lead 50 to be formed, i.e. form data wire 30 by a patterning processes and touch-control draws
Line 50.
The embodiment of the present invention by grid line 20 it is synchronous with touch-control scan line 40 formed, the synchronous shape of data wire 30 and touch-control lead 50
Into, patterning processes can be reduced, reduce preparation cost.
Based on above-mentioned preferred, the synchronous formation of 60 and second thin film transistor (TFT) of first film transistor 70；First transparent electricity
Pole 81 and the synchronous formation of second transparency electrode 82.
Wherein, when 60 and second thin film transistor (TFT) of first film transistor 70 is synchronous to be formed, first film transistor 60
Structure with the second thin film transistor (TFT) 70 is identical.
Additionally, 60 and second thin film transistor (TFT) of first film transistor 70 is synchronous being formed, i.e. form the by patterning processes
The grid of the grid of one thin film transistor (TFT) 60 and the second thin film transistor (TFT) 70, the active layer of first film transistor 60 are thin with second
The source electrode of active layer, the source electrode of first film transistor 60 and drain electrode with the second thin film transistor (TFT) 70 of film transistor 70 and leakage
Pole.First transparency electrode 81 and the synchronous formation of second transparency electrode 82, i.e. form first transparency electrode by a patterning processes
81 and second transparency electrode 82.
The embodiment of the present invention synchronously forms 60 and second thin film transistor (TFT) of first film transistor 70, first transparency electrode
81 and second transparency electrode 82 is synchronous is formed, patterning processes can be further reduced, reduce preparation cost.
Based on above-mentioned, if first transparency electrode 81 and second transparency electrode 82 are located at barrier metal layer near the side of substrate 10,
Grid line 20, touch-control scan line 40, first transparency electrode 81 and second transparency electrode 82 then can be formed by a patterning processes.When
When public electrode 83 is arranged on first transparency electrode 81 and second transparency electrode 82 near the side of substrate 10, now, if public
When electrode 83 is located at the barrier metal layer near 10 side of substrate, then can form grid line 20 by a patterning processes, touch
Control scan line 40 and public electrode 83.
The embodiment of the present invention provides a kind of display device, including above-mentioned array base palte.
Wherein, the display device also includes to box substrate.
Additionally, when public electrode 83 be arranged on it is described on box substrate when, no matter second transparency electrode 82 includes multiple electricity
The strip electrode of connection is still plane-shape electrode, and after the touch-control end of scan, second transparency electrode 82 can be used as auxiliary pixel electricity
Pole is shown.
The embodiment of the present invention also provides a kind of display device, with the array base palte identical technique effect, herein
Repeat no more.
The embodiment of the present invention also provides a kind of driving method of such as above-mentioned display device, as shown in figure 14, including：Each
Frame, grid line 20 is input into the first scanning signal line by line, and the input data signal of data wire 30 drives first transparency electrode 81 to be used to show
Show；Meanwhile, touch-control scan line 40 is input into the second scanning signal line by line, and the input touch-control drive signal of touch-control lead 50 drives second
Transparency electrode 82 is used for touch-control；Wherein, consecutive frame, touch-control lead 50 exports first voltage signal and second voltage signal respectively,
First voltage is higher than common electric voltage, and second voltage is less than common electric voltage.
Wherein, when the common electric voltage is that the display device shows, the voltage applied on public electrode 83.
Additionally, driving second transparency electrode 82 for the identification of touch-control, can be based on being realized to position of touch from capacitance type
Identification, now, can be using second transparency electrode 82 as touch control electrode.That is, scanning signal is input into by touch-control scan line 40 line by line,
Open corresponding second thin film transistor (TFT) 70, touch-control lead 50 is input into touch-control drive signal to second transparency electrode 82, and connects
Touch-control feedback signal is received, so that can be according to touch position, the change of electric capacity in second transparency electrode 82 so that corresponding touch-control draws
The feedback signal that line 50 is received changes, with this determination position of touch.
When second transparency electrode 82 is used for the identification of touch-control, identification of the mutual capacitance type realization to position of touch is may be based on,
Now, the timesharing of public electrode 83 can be used as induction electrode by second transparency electrode 82 as driving electrodes.That is, by touch-control
Scan line 40 is input into scanning signal line by line, opens corresponding second thin film transistor (TFT) 70, and touch-control lead 50 is to the second transparent electricity
Pole 82 is input into touch-control drive signal, so that can be according to touch position, the change of electric capacity in second transparency electrode 82 so that touch-control
The output touch-control sensing signal of public electrode 83 at position, with this determination position of touch.In the case, for public electrode 83
Structure, on the basis of ensureing that each sub-pixel can be shown, need to coordinate with second transparency electrode 82, to realize to touching
Control the identification of position.
On this basis, because touch-control lead 50 and data wire 30 are separate, therefore it is connected by with touch-control lead 50
IC, second transparency electrode 82 be used as touch-control identification when, can also realize fingerprint recognition.
It should be noted that the first scanning signal and the second scanning signal are not defined, as long as can be controlled respectively
One thin film transistor (TFT) 60 and the second thin film transistor (TFT) 70 are opened.On this basis, first scanning signal and described
Two scanning signals can be with identical, it is also possible to differs.
Further, since relative data signal, touch-control drive signal very little, therefore, it is used for second transparency electrode 82 is driven
During touch-control, the electric field that second transparency electrode 82 and public electrode 83 are formed will not be to the liquid of the corresponding region of second transparency electrode 82
Crystalline substance deflection produces influence, i.e., the region will not light leak.
The embodiment of the present invention provides a kind of driving method of above-mentioned display device, in each frame, by grid line 20 line by line
The first scanning signal is input into, to the input data signal of data wire 30, drives first transparency electrode 81 to be used to show, be capable of achieving described
The display of sub-pixel lights；On this basis, the second scanning signal, touch-control lead 50 are input into line by line by touch-control scan line 40
Input touch-control drive signal, makes second transparency electrode 82 be based on from capacitance type, or mutual capacitance type is based on together with public electrode 83,
It is capable of achieving the identification to position of touch.
Based on this, on the one hand, when making second transparency electrode 82 be based on recognizing position of touch from capacitance type, display can be made
It is separate with touch-control, so as to while display, the identification of position of touch can be carried out, will not cause to show subtracting for charging interval
It is small；On the other hand, due to that need not be shared using touch control electrode and public electrode, thus the homogeneous of public electrode voltages can not be influenceed
Property；Another further aspect, touch-control scanning is carried out while showing and charging, and reference voltage can be provided for touch-control scanning, so as in phase
Adjacent frame, can adjust voltage respectively higher than common electric voltage in touch-control scanning or less than common electric voltage, and then can improve
The reliability of the display device, improves the display quality of the display device.
Preferably, at least it is input into Nth row touch-control scan line 40 after N+1 rows grid line 20 is input into the first scanning signal
Second scanning signal；Wherein, N+1 rows grid line 20 is connected with the first film transistor 60 in N+1 row sub-pixels, Nth row
Touch-control scan line 40 is connected with the second thin film transistor (TFT) 70 in sub-pixel described in Nth row.
It should be noted that for counting (that is, the first row, second of grid line 20 and the line number of touch-control scan line 40
OK ...), the counting with the line number where the sub-pixel that it is connected is consistent.Example, by taking fifth line sub-pixel as an example, with the 5th
The grid line 20 of the connection of first film transistor 60 in row sub-pixel, as fifth line grid line 20；In fifth line sub-pixel
The touch-control scan line 40 of the connection of the second thin film transistor (TFT) 70, as fifth line touch-control scan line 40.
The embodiment of the present invention at least N+1 rows grid line 20 be input into the first scanning signal after, to Nth row touch-control scan line 40
The second scanning signal is input into, is made in same sub-pixel, the first scanning signal and defeated to touch-control scan line 40 is input into grid line 20
Enter the second scanning signal is carried out at the different moment, so that will not be produced between first transparency electrode 81 and second transparency electrode 82
Raw coupled capacitor, and then avoid influence is brought on the display of the display device sub-pixel.
Preferably, as shown in figure 15, in a frame time, after the touch-control end of scan, methods described also includes：Touch-control is swept
Retouch line 40 and be input into the second scanning signal line by line, the input data signal of touch-control lead 50 drives second transparency electrode 82 to be used to show.
Scanned compared to display, the time that touch-control scanning expends is very short, therefore, it can after the touch-control end of scan, to tactile
Control the second scanning signal of input of scan line 40, the input data signal of touch-control lead 50, now, second transparency electrode 82 is used as auxiliary
Pixel electrode, to expand the display area of each sub-pixel.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of array base palte, including substrate, sets grid line and data wire over the substrate, the grid line and the data
Line intersects restriction sub-pixel；Characterized in that, the sub-pixel includes first film transistor, the second thin film transistor (TFT), first
Transparency electrode and second transparency electrode；
The grid of the first film transistor is electrically connected with the grid line, and source electrode is electrically connected with the data wire, is drained and institute
State first transparency electrode electrical connection；
The grid of second thin film transistor (TFT) is electrically connected with touch-control scan line, and source electrode is electrically connected with touch-control lead, is drained and institute
State second transparency electrode electrical connection；
Wherein, the first transparency electrode and the second transparency electrode insulate, and in the orthographic projection no overlap of the substrate.
2. array base palte according to claim 1, it is characterised in that the second transparency electrode is around the described first transparent electricity
Pole is set for one week；Or, the first transparency electrode is set for one week around the second transparency electrode.
3. array base palte according to claim 1, it is characterised in that the sub-pixel also includes public electrode, the public affairs
Common electrode orthographic projection over the substrate and the first transparency electrode and the second transparency electrode are over the substrate
There is overlapping region in orthographic projection.
4. array base palte according to claim 3, it is characterised in that the public electrode is arranged on the described first transparent electricity
The side of pole and the second transparency electrode away from the substrate；Wherein, the public electrode includes the bar shaped of multiple electrical connections
Electrode；Or,
The public electrode is arranged on the first transparency electrode and the second transparency electrode near the side of the substrate；Its
In, the first transparency electrode includes the strip electrode of multiple electrical connections；The second transparency electrode includes multiple electrical connections
Strip electrode；Or,
The public electrode is arranged on the first transparency electrode and the second transparency electrode near the side of the substrate；Its
In, the first transparency electrode includes the strip electrode of multiple electrical connections；The second transparency electrode is plane-shape electrode.
5. the array base palte according to claim any one of 1-4, it is characterised in that the grid line and the touch-control scan line
It is arranged in parallel, and synchronous formation；
The data wire be arranged in parallel with the touch-control lead, and synchronous formation.
6. the array base palte according to claim any one of 1-4, it is characterised in that the first film transistor and described
Second thin film transistor (TFT) is synchronously formed；
The first transparency electrode and the second transparency electrode are synchronously formed.
7. a kind of display device, it is characterised in that including the array base palte described in claim any one of 1-6.
8. a kind of driving method of display device as claimed in claim 7, it is characterised in that including：
In each frame, grid line is input into the first scanning signal line by line, and data wire input data signal drives first transparency electrode to be used for
Display；Meanwhile, touch-control scan line is input into the second scanning signal line by line, and touch-control lead input touch-control drive signal, driving second is saturating
Prescribed electrode is used for touch-control；
Wherein, consecutive frame, the touch-control lead exports first voltage signal and second voltage signal respectively, and first voltage is higher than public affairs
Common voltage, second voltage is less than common electric voltage.
9. driving method according to claim 8, it is characterised in that at least swept in grid line input first described in N+1 rows
After retouching signal, the second scanning signal is input into touch-control scan line described in Nth row；
Wherein, grid line is connected with the first film transistor in N+1 row sub-pixels described in N+1 rows, and touch-control is swept described in Nth row
Line is retouched to be connected with the second thin film transistor (TFT) in sub-pixel described in Nth row.
10. driving method according to claim 8, it is characterised in that in a frame time, after the touch-control end of scan,
Methods described also includes：The touch-control scan line is input into the second scanning signal line by line, and the touch-control lead input data signal drives
Dynamic second transparency electrode is used to show.
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