CN105843454A - Array substrate, display device, driving circuit and driving method - Google Patents
Array substrate, display device, driving circuit and driving method Download PDFInfo
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- CN105843454A CN105843454A CN201610384186.4A CN201610384186A CN105843454A CN 105843454 A CN105843454 A CN 105843454A CN 201610384186 A CN201610384186 A CN 201610384186A CN 105843454 A CN105843454 A CN 105843454A
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Crystallography & Structural Chemistry (AREA)
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Abstract
The invention belongs to the field of displays and discloses an array substrate, a display device, a driving circuit and a driving method. The array substrate comprises a plurality of grating lines, a plurality of data cables and a common electrode layer, and the common electrode layer is arranged above the grating lines and the data cables and comprises a plurality of electrode blocks in array arrangement. The data cables are in at least two groups, the data cables below each of the electrode blocks are in the same group, and at least two groups of the data cables operate sequentially. When the grating lines below the first electrode block are in operation or the data cables below the first electrode block are in operation, the first electrode block serves as a common electrode; when the grating lines and the data cables below the first electrode block are not in operation, the first electrode block serves as an induction electrode; the first electrode block refers to any one of the electrode blocks. The array substrate has the advantages that synchronous driving of display and induction is realized, and the problem caused by current time-division driving of display and induction is avoided.
Description
Technical field
The present invention relates to field of display, particularly to a kind of array base palte, display device, drive circuit and
Driving method.
Background technology
Along with the development of mobile terminal, increasing display screen starts to be integrated with inducing function, such as feeling of stress
Answer function, touch sensing function or an active inducing function.
As a example by touch sensing function, the touch screen being integrated with touch sensing function can be divided into according to composition structure:
External hanging type touch screen (Addon Mode Touch Panel), covering surface-type touch screen (On Cell Touch
And In-cell touch panel (In Cell Touch Panel) Panel).Wherein, In-cell touch panel is by touch screen
Electrode be embedded in inside LCDs, can be able to be substantially reduced again with the overall thickness of thinning touch screen
The cost of manufacture of touch screen, thus favored by Ge great touch screen producer.
The display screen of this kind of embedded electrode is owing to being simultaneously achieved sensing and two kinds of functions of display, it is therefore desirable to enter
The special design of driving timing sequence of row.Such as, the method using sensing to drive with display timesharing, i.e. draw at a frame
In the time of face, using a period of time therein as display driving time, when another a period of time drives as sensing
Between.
In the case of display screen refresh rate is fixing, the time span of each frame picture is fixing.And along with
Display resolution strengthens, and shows that driving time lengthens in each frame picture, correspondingly senses in a frame picture
Driving time will shorten, and causes display screen sensing to drive with display timesharing and realizes difficulty.
Summary of the invention
In order to solve to use timesharing to drive, sensing driving time is short, causes display screen sensing to drive with display timesharing
The dynamic problem realizing difficulty, embodiments provides a kind of array base palte, display device, drive circuit
And driving method.Described technical scheme is as follows:
First aspect, embodiments provides a kind of array base palte, including many grid lines, many single data
Line and be arranged on the common electrode layer above described many grid lines and described many data lines, described common electrical
Pole layer includes multiple electrode blocks that array is arranged；
Described many data lines are divided at least two groups, the institute below each electrode block in the plurality of electrode block
Stating data wire and belong to same group, at least two group data wires are operated successively；
When described grid line below the first electrode block works, or the described data below described first electrode block
When lineman makees, described first electrode block is as public electrode；Described grid line below described first electrode block
When all not working with described data wire, described first electrode block is as induction electrode；Described first electrode block is
Any one in the plurality of electrode block.
In a kind of implementation of the embodiment of the present invention, described many grid lines are divided into many groups, often group grid line bag
Including at least two grid lines, described often group grid line is positioned at below the described electrode block of same a line, and the institute of different group
State grid line to be positioned at below the described electrode block of different rows.
In the another kind of implementation of the embodiment of the present invention, the often group data wire in described at least two groups includes
Some, the part of the described data wire of different groups is arranged alternately, with adjacent in the described electrode block of a line
Described data wire below two described electrode blocks belongs to different group.
In the another kind of implementation of the embodiment of the present invention, described array base palte also includes at least two controls
Line and multiple control switch, the input of the every data lines in described many data lines is equipped with described in one
Control switch, every control line in described at least two control lines and in described at least two group data wires
Group data wire on described control switch connect, described control line for control described control switch conducting and
Disconnect.
In the another kind of implementation of the embodiment of the present invention, the quantity of described control line is 3, described number
It is divided into 3 groups according to line.
In the another kind of implementation of the embodiment of the present invention, described induction electrode is touch-control sensing electrode, master
Start writing at least one in induction electrode, pressure detecting induction electrode.
In the another kind of implementation of the embodiment of the present invention, described array base palte also includes that parallel interval is arranged
Many contact conductors, the plurality of electrode block connects one to one with described many contact conductors.
In the another kind of implementation of the embodiment of the present invention, described array base palte also includes source-drain electrode layer, institute
State contact conductor to arrange with layer with described source-drain electrode layer.
In the another kind of implementation of the embodiment of the present invention, the plurality of electrode block equal in magnitude.
Second aspect, the embodiment of the present invention additionally provides a kind of display device, and described display device includes first
Array base palte described in any one of aspect.
The third aspect, the embodiment of the present invention additionally provides a kind of drive circuit, is used for driving first aspect arbitrary
Array base palte described in Xiang, described drive circuit includes:
Drive element of the grid, is operated successively for controlling many grid lines in a frame image time in order；
Data line drive unit, when every grid line in described many grid lines works, controls at least two
Group data wire is operated successively；
Common electrode drive unit, when described grid line work below the first electrode block, or described the
When described data wire below one electrode block works, control described first electrode block and work as public electrode；
When described grid line below described first electrode block and described data wire all do not work, control described first electricity
Pole block works as induction electrode.
In a kind of implementation of the embodiment of the present invention, described common electrode drive unit, for described
When described grid line below first electrode block and described data wire all do not work, to described first electrode block input
Sensing drives signal；
Described drive element of the grid, is additionally operable at described common electrode drive unit defeated to described first electrode block
When entering sensing driving signal, drive, to the input of described grid line and described sensing, the signal that signal is identical.
In the another kind of implementation of the embodiment of the present invention, described common electrode drive unit, in institute
State the described grid line below the first electrode block and time described data wire does not all work, control described first electrode block
As at least one work in touch-control sensing electrode, actively an induction electrode, pressure detecting induction electrode.
Fourth aspect, the embodiment of the present invention additionally provides a kind of driving method, is used for driving first aspect arbitrary
Array base palte described in Xiang, described method includes:
In a frame image time, control many grid lines in order be operated successively；
When every grid line in described many grid lines works, control at least two group data wires and be operated successively；
When described grid line below the first electrode block works, or the described data below described first electrode block
When lineman makees, control described first electrode block and work as public electrode；Below described first electrode block
When described grid line and described data wire all do not work, control described first electrode block and work as induction electrode.
In a kind of implementation of the embodiment of the present invention, the described grid line below described first electrode block and
When described data wire does not all work, control described first electrode block and work as induction electrode, including: in institute
State the described grid line below the first electrode block and time described data wire does not all work, defeated to described first electrode block
Enter sensing and drive signal；
Described method also includes: when driving signal to described first electrode block input sensing, to described grid line
Input and drive, with described sensing, the signal that signal is identical.
Described grid line in the another kind of implementation of the embodiment of the present invention, below described first electrode block
When all not working with described data wire, control described first electrode block and work as induction electrode, including:
When described grid line below described first electrode block and described data wire all do not work, control described
One electrode block is as at least in touch-control sensing electrode, actively an induction electrode, pressure detecting induction electrode
Plant work.
The technical scheme that the embodiment of the present invention provides has the benefit that
The present invention by being divided into multiple electrode block by common electrode layer, and multiple electrode blocks are disposed in an array, when
When grid line below first electrode block works, or when the data wire below the first electrode block works, the first electrode
Block uses as public electrode such that it is able to make respective pixel unit normally show, and when under the first electrode block
When the grid line of side and data wire all do not work, the first electrode block is as induction electrode so that the first electrode block energy
Enough on the premise of ensureing normal display, it is achieved sensing drives, owing to data wire is that packet arranges and often organizes number
It is to work successively within the sweep time of a line grid line according to line, thus interior at any time, all there is electrode
Block is not used as public electrode, say, that at any time, and the partial electrode block on array base palte is public
Common electrode, partial electrode block is induction electrode, it is achieved that show and the synchronization that senses drives, it is to avoid existing
Display and the problem of sensing timesharing driving time deficiency.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of array base palte that the embodiment of the present invention provides；
Fig. 2 is the structural representation of the another kind of array base palte that the embodiment of the present invention provides；
Fig. 3 is the schematic cross-section of the array base palte that the embodiment of the present invention provides；
Fig. 4 is the raster data model sequential chart of the array base palte that the embodiment of the present invention provides；
Fig. 5 is the driver' s timing figure of the electrode block of the array base palte that the embodiment of the present invention provides；
Fig. 6 is the structural representation of a kind of display device that the embodiment of the present invention provides；
Fig. 7 is the structural representation of a kind of drive circuit that the embodiment of the present invention provides；
Fig. 8 is the flow chart of a kind of driving method that the embodiment of the present invention provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Embodiment is described in further detail.
Fig. 1 is the structural representation of a kind of array base palte that the embodiment of the present invention provides, and sees Fig. 1, this array
Substrate includes many grid lines 110, many data lines 120 and is arranged on many grid lines 110 and many data lines
Common electrode layer 130 above in the of 120, common electrode layer 130 includes multiple electrode blocks 131 that array is arranged.
Many data lines 120 are divided at least two groups, and (in such as Fig. 1, label S1 is first group of data wire, label
S2 is second group of data wire, and the most also referred to as one group data wire is a data wire packet), multiple electrode blocks 131
In each electrode block 131 below data wire 120 belong to same group, at least two group data wires 120 are successively
It is operated.
When grid line 110 below the first electrode block works, or data wire 120 work below the first electrode block
When making, the first electrode block is as public electrode；Grid line 110 below the first electrode block and data wire 120
When all not working, the first electrode block is as induction electrode；First electrode block is appointing in multiple electrode block 131
Anticipate one.
The present invention by being divided into multiple electrode block by common electrode layer, and multiple electrode blocks are disposed in an array, when
When grid line below first electrode block works, or when the data wire below the first electrode block works, the first electrode
Block uses as public electrode such that it is able to make respective pixel unit normally show, and when under the first electrode block
When the grid line of side and data wire all do not work, the first electrode block is as induction electrode so that the first electrode block energy
Enough on the premise of ensureing normal display, it is achieved sensing drives, owing to data wire is that packet arranges and often organizes number
It is to work successively within the sweep time of a line grid line according to line, thus interior at any time, all there is electrode
Block is not used as public electrode, say, that at any time, and the partial electrode block on array base palte is public
Common electrode, partial electrode block is induction electrode, it is achieved that show and the synchronization that senses drives, it is to avoid existing
Display and the problem of sensing timesharing driving time deficiency.
Fig. 2 is the structural representation of the another kind of array base palte that the embodiment of the present invention provides, and sees Fig. 2, this battle array
Row substrate is compared with the array base palte that Fig. 1 provides, and difference is: many grid lines 110 are divided into many groups, often group
Grid line 110 includes at least two grid lines 110, and often group grid line 110 is positioned at below the electrode block 131 of same a line,
And the grid line 110 of difference group is positioned at below the electrode block 131 of different rows.Below each electrode block 131
Grid line 110 be same group, arrange so grid line 110 to be carried out packet, often group grid line 110 quantity is at least
2, it is possible to reduce electrode block 131 number, convenient be driven electrode block 131 controls.
Fig. 2 shows two groups of grid line G1 and G2, and often group includes many grid lines 110.
In the array base palte that Fig. 1 and Fig. 2 provides, the often group data wire 120 at least two groups includes multiple
Part, the part of the data wire 120 of different groups is arranged alternately, with in the electrode block 131 of a line adjacent two
Data wire 120 below electrode block 131 belongs to different group.At least two group data wires 120 respectively organize data wire
Interval is arranged so that the data wire 120 being not at charged state is spaced apart, so that induction electrode energy
Enough intervals are arranged on the substrate 100.
As in figure 2 it is shown, data wire 120 is divided into three groups of S1, S2 and S3, the most often group is divided into multiple
Part.As a example by S2, the left and right sides of every part of S2 is respectively the part of S1 and S3, thus shape
Become the structure that the part of the data wire 120 of difference group is arranged alternately.
Fig. 1 and Fig. 2 provide array base palte in (specifically may refer to Fig. 2), array base palte also include to
Few two control lines 140 and multiple control switch 150, the every data lines 120 in many data lines 120
Input is equipped with a control switch 150, every control line at least two control lines 140 140 with extremely
Control switch 150 connection on one group of data wire 120 in few two groups of data wires 120, control line 140 is used
In the conducting and the disconnection that control switch 150.By arranging control switch 150 and control line 140, it is achieved
The packet of data wire 120 is arranged, it is ensured that all data wires 120 will not be charged simultaneously, such that it is able to will
The data wire 120 counter electrode block 131 not charged is used as induction electrode.
As in figure 2 it is shown, control the control switch that switch SW1 connects on all data wires of data line group S1
150, control the control switch 150 that switch SW2 connects on all data wires of data line group S2, control out
Close the control switch 150 that SW3 connects on all data wires of data line group S3.
In the array base palte shown in Fig. 2, the quantity of control line 140 is 3, and data wire 120 is divided into 3
Group.Control line is too many, causes data wire packet many, drive circuit is required height, control line very little, electrode
The time that block can act as induction electrode is very few.
In other implementations, it is also possible to arrange more or less of data wire, this is not limited by the present invention
System.Correspondingly, it is also possible to the packet of more or less of data wire is set.
In embodiments of the present invention, induction electrode can be touch-control sensing electrode, actively an induction electrode, pressure
At least one in power detection induction electrode.
Specifically, can be by induction electrode simultaneously as two or three in above-mentioned electrode.Such as, by electricity
When pole block is as induction electrode, can will realize touch-control sensing as touch-control sensing electrode for the previous period,
Pressure detecting is realized as pressure detecting induction electrode in rear a period of time.
In embodiments of the present invention, when induction electrode passes through self-capacitance side as touch-control sensing electrode, electrode block
Formula realizes touch-control sensing function.When induction electrode is as pressure detecting induction electrode, by detection faradism
The electric capacity that pole is formed with mobile phone center realizes pressure detecting.When induction electrode is as active induction electrode,
Actively pen carries out signal transmitting as driving source, and induction electrode is received as receptor, thus realizes main
Start writing inducing function.
Fig. 3 is the schematic cross-section of the array base palte of Fig. 1 or Fig. 2 offer of the embodiment of the present invention, such as Fig. 3
Shown in, array base palte also includes the many contact conductors 160 that parallel interval is arranged, and multiple electrode blocks 131 are with many
Root contact conductor 160 connects one to one.Electrode block 131 can be connected by arranging contact conductor 160
To drive circuit, it is achieved the signal of electrode block 131 controls.
In the another kind of implementation of the embodiment of the present invention, array base palte also includes source-drain electrode layer 170, electrode
Lead-in wire 160 is arranged with layer with source-drain electrode layer 170.Contact conductor 160 is arranged on source-drain electrode layer 170, it is simple to
The making of contact conductor 160 and wiring.
Specifically, the structure of array base palte is as it is shown on figure 3, include substrate 100, and is successively set on substrate
Active layer 101, gate insulator 102, grid layer 103 and interlayer insulating film 104, source-drain electrode on 100
Layer 170 and contact conductor 160 are arranged on interlayer insulating film 104.
Aforementioned grid line 110 can be arranged with layer with grid layer 103, and data wire 120 can be with source-drain electrode layer 170
Arrange with layer.
Wherein, active layer 101 is low-temperature polysilicon silicon active layer.In Conventional cryogenic polysilicon array substrate,
Data wire depends on according to the redness (Red) of its correspondence, green (Green), blue (Blue) sub-pixel unit
Secondary unlatching.In embodiments of the present invention, low-temperature polysilicon silicon active layer is used to form array base palte, it is only necessary to right
Original data wire opening sequence is adjusted.
Further, source-drain electrode layer 170 is provided with passivation layer 180, and electrode block 131 is arranged on passivation layer 180
On, passivation layer 180 offers via 181, electrode block 131 is by via 181 and contact conductor 160 phase
Even.
Further, array base palte can also include pixel electrode layer, and pixel electrode layer can be arranged on substrate
Between 100 and active layer 101, now need to arrange insulating barrier between active layer 101 and pixel electrode layer.
The film layer order of the above-mentioned array base palte that the embodiment of the present invention provides is only for example, it is also possible to use other
Order is arranged, and arranges the film layer on array base palte for example with top gate structure, and now pixel electrode layer can set
Put above grid layer.It addition, array base palte can also include more or less film layer, as long as can wrap
Include thin-film transistor structure and common electrode layer.
In embodiments of the present invention, substrate 100 is typically transparent, can be glass substrate or plastic base.
In embodiments of the present invention, gate insulator 102, interlayer insulating film 104 and passivation layer 180 are absolutely
Edge layer, insulating barrier is specifically as follows silicon nitride or silicon oxynitride layer.
In embodiments of the present invention, grid layer 103, source-drain electrode layer 170 and contact conductor 160 can use gold
Genus is made, the metal such as such as Al, Cu, Mo, Ti, Cr.
In embodiments of the present invention, common electrode layer 130 can be metallic diaphragm or metal oxide film layer.
In embodiments of the present invention, the size of multiple electrode blocks 131 can be equal, facilitates electrode block 131
Arrange and make.In other embodiments, the size of multiple electrode blocks 131 can also be unequal, the present invention
Without limitation.
Below in conjunction with the sequential chart shown in Fig. 4 and Fig. 5, the driving process of the array base palte that Fig. 2 provides is carried out
Illustrate:
As shown in Figure 4, in a frame image time, control grid line in order to be operated successively.Divide at grid line
When having grid line 110 in running order in group G1, all grid lines of grid line packet G2 are in inoperative shape
State.When grid line works, to grid line input gate drive signal (namely grid high level, shape in Fig. 4
Bigger pulse), when grid line does not works, the signal that signal is identical can be driven to grid line input (to scheme with sensing
The pulse that in 4, shape is less).
Wherein, grid line 110 work refers to open the thin film transistor (TFT) in connected pixel cell, makes data
Alignment pixel cell charges.
As it is shown in figure 5, by data wire 120 to pixel cell charge in, three groups of data wires S1, S2 and
S3 opens under the control of three control lines SW1, SW2 and SW3 successively.Number is controlled at control line SW1
When opening according to the control switch 150 on line packet S1, electrode block A1 is used as public electrode, electrode block A2
It is used as induction electrode with A3, electrode block A2 and A3 applies sensing and drives signal；At control line SW2
When controlling control switch 150 unlatching on data wire packet S2, electrode block A2 is used as public electrode, electrode
Block A1 and A3 is used as induction electrode；The control switch 150 on data wire packet S3 is controlled at control line SW3
During unlatching, electrode block A3 is used as public electrode, and electrode block A1 and A2 is used as induction electrode.
In embodiments of the present invention, data wire 120 is divided into three groups, showing with resolution as 1920*1080
Illustrating as a example by showing device, often the row pixel cell charging interval is: 16.7ms/1920=9us.When scanning
During any one grid line in one group of grid line, the electrode block 131 above this group grid line both functions as public electrode.
And the electrode block above other group grid lines, determine whether to be used as sensing according to the state of data wire below
Electrode；In one-row pixels unit charging 9us, the voltage charging time often organizing data wire is 3us, namely
Saying that only having 3us in 9us is not used as induction electrode, other times all can be as induction electrode.
In embodiments of the present invention, touch-control sensing drives signal can be pulse signal, uses conventional frequency
Pulse signal drives signal as touch-control sensing, and the number of pulses produced in 6us (9us-3us) is super general
Touch-control sensing demand, therefore, within this time, can by part-time be used for carry out other drive, example
As electrode block 131 being used as touch-control sensing electrode in the first half time, by electrode block 131 in the later half time
It is used as an actively induction electrode.
The embodiment of the present invention additionally provides a kind of display device, and this display device includes that the arbitrary figure of Fig. 1～Fig. 3 carries
The array base palte of confession.
In the specific implementation, the display device that the embodiment of the present invention provides can be mobile phone, panel computer, electricity
Depending on any products with display function such as machine, display, notebook computer, DPF, navigators or
Parts.
The present invention by being divided into multiple electrode block by common electrode layer, and multiple electrode blocks are disposed in an array, when
When grid line below first electrode block works, or when the data wire below the first electrode block works, the first electrode
Block uses as public electrode such that it is able to make respective pixel unit normally show, and when under the first electrode block
When the grid line of side and data wire all do not work, the first electrode block is as induction electrode so that the first electrode block energy
Enough on the premise of ensureing normal display, it is achieved sensing drives, owing to data wire is that packet arranges and often organizes number
It is to work successively within the sweep time of a line grid line according to line, thus interior at any time, all there is electrode
Block is not used as public electrode, say, that at any time, and the partial electrode block on array base palte is public
Common electrode, partial electrode block is induction electrode, it is achieved that show and the synchronization that senses drives, it is to avoid existing
Display and the problem of sensing timesharing driving time deficiency.
As shown in Figure 6, display device can include aforementioned array substrate 10, also include color membrane substrates 20, with
And the liquid crystal layer 30 being arranged between array base palte 10 and color membrane substrates 20.
Wherein, color membrane substrates 20 can include substrate 201, arrange chromatic filter layer 202 on the substrate 201
And the black matrix 203 being arranged between chromatic filter layer 202.
Certainly, the structure of above-mentioned array base palte 10 is merely illustrative, actual application can include more or
Less film layer, the present invention is without limitation.
Fig. 7 is the structural representation of a kind of drive circuit that the embodiment of the present invention provides, and is used for driving Fig. 1～figure
The array base palte that 3 arbitrary figures provide, sees Fig. 7, and this drive circuit includes:
Drive element of the grid 301, carries out work successively for controlling many grid lines in a frame image time in order
Make；
Data line drive unit 302, when every grid line in many grid lines works, controls at least two groups
Data wire is operated successively；
Common electrode drive unit 303, when the grid line below the first electrode block works, or the first electrode
When data wire below block works, control the first electrode block and work as public electrode；Under the first electrode block
When the grid line of side and data wire all do not work, control the first electrode block and work as induction electrode.
In embodiments of the present invention, common electrode drive unit 303, for the grid line below the first electrode block
When all not working with data wire, to first electrode block input sensing drive signal (as touch-control sensing drive signal,
Pressure sensitive drives signal)；
Drive element of the grid 301, it is also possible to for inputting to the first electrode block at common electrode drive unit 303
When sensing drives signal, drive, with sensing, the signal that signal is identical to grid line input, make grid line be in modulation shape
State, eliminates the parasitic capacitance between grid line and electrode block.
In embodiments of the present invention, common electrode drive unit 303, may be used for below the first electrode block
When grid line and data wire all do not work, control the first electrode block as touch-control sensing electrode, actively a faradism
At least one work in pole, pressure detecting induction electrode.By using the first electrode block as multiple faradism
Pole, it is achieved multiple inducing function integrated.
Specifically, when the first electrode block is as touch-control sensing electrode, common electrode drive unit 303 is defeated to it
Enter touch-control sensing and drive signal, and detect its induced signal, thus realize touch-control sensing function.First electrode
When block is as active induction electrode, common electrode drive unit 303 is from the first electrode block detection actively pen sense
Induction signal, thus realize an actively inducing function.When first electrode block is as pressure detecting induction electrode, public
Common electrode driver element 303 drives signal (can drive signal phase with touch-control sensing to the sensing of its input pressure
With), and detect its induced signal, thus realize pressure sensitive function.
Wherein, drive element of the grid 301 can increase switching switch on the basis of existing drive element of the grid,
And two ends of switching switch are received grid control signal (grid high level and grid low level) drive with sensing
Dynamic signal.
Common electrode drive unit 303 includes two outputs equally, realizes output common electrical by switching switch
Pole signal or sensing drive signal.
In embodiments of the present invention, drive element of the grid 301, data line drive unit 302 and public electrode drive
Moving cell 303 is by using identical clock signal, it is achieved coordinative operation.
The present invention by being divided into multiple electrode block by common electrode layer, and multiple electrode blocks are disposed in an array, when
When grid line below first electrode block works, or when the data wire below the first electrode block works, the first electrode
Block uses as public electrode such that it is able to make respective pixel unit normally show, and when under the first electrode block
When the grid line of side and data wire all do not work, the first electrode block is as induction electrode so that the first electrode block energy
Enough on the premise of ensureing normal display, it is achieved sensing drives, owing to data wire is that packet arranges and often organizes number
It is to work successively within the sweep time of a line grid line according to line, thus interior at any time, all there is electrode
Block is not used as public electrode, say, that at any time, and the partial electrode block on array base palte is public
Common electrode, partial electrode block is induction electrode, it is achieved that show and the synchronization that senses drives, it is to avoid existing
Display and the problem of sensing timesharing driving time deficiency.
Fig. 8 is the flow chart of a kind of driving method that the embodiment of the present invention provides, and is used for driving Fig. 1～Fig. 3 to appoint
The array base palte that one figure provides, sees Fig. 8, and the method includes:
Step 401: control many grid lines in a frame image time in order and be operated successively.
Step 402: when every grid line in many grid lines works, controls at least two group data wires and carries out successively
Work.
Step 403: when the grid line below the first electrode block works, or the data lineman below the first electrode block
When making, control the first electrode block and work as public electrode；Grid line below the first electrode block and data wire
When all not working, control the first electrode block and work as induction electrode.
In step 403, when grid line below the first electrode block and data wire all do not work, control first
Electrode block works as induction electrode, may include that
When grid line below the first electrode block and data wire all do not work, drive to the first electrode block input sensing
Dynamic signal (as touch-control sensing drives signal, pressure sensitive to drive signal).
Further, the method can also include:
When driving signal to the first electrode block input sensing, drive signal identical to grid line input with sensing
Signal, makes grid line be in modulation condition, eliminates the parasitic capacitance between grid line and electrode block.
In step 403, when grid line below the first electrode block and data wire all do not work, control first
Electrode block works as induction electrode, may include that
When grid line below the first electrode block and data wire all do not work, control the first electrode block as touch-control
At least one work in induction electrode, actively an induction electrode, pressure detecting induction electrode.By by
One electrode block is as multiple induction electrode, it is achieved multiple inducing function integrated.
The present invention by being divided into multiple electrode block by common electrode layer, and multiple electrode blocks are disposed in an array, when
When grid line below first electrode block works, or when the data wire below the first electrode block works, the first electrode
Block uses as public electrode such that it is able to make respective pixel unit normally show, and when under the first electrode block
When the grid line of side and data wire all do not work, the first electrode block is as induction electrode so that the first electrode block energy
Enough on the premise of ensureing normal display, it is achieved sensing drives, owing to data wire is that packet arranges and often organizes number
It is to work successively within the sweep time of a line grid line according to line, thus interior at any time, all there is electrode
Block is not used as public electrode, say, that at any time, and the partial electrode block on array base palte is public
Common electrode, partial electrode block is induction electrode, it is achieved that show and the synchronization that senses drives, it is to avoid existing
Display and the problem of sensing timesharing driving time deficiency.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvement etc. made, should be included in the protection of the present invention
Within the scope of.
Claims (16)
1. an array base palte, including many grid lines, many data lines and be arranged on described many grid lines and
Common electrode layer above described many data lines, it is characterised in that described common electrode layer includes array cloth
The multiple electrode blocks put；
Described many data lines are divided at least two groups, the institute below each electrode block in the plurality of electrode block
Stating data wire and belong to same group, at least two group data wires are operated successively；
When described grid line below the first electrode block works, or the described data below described first electrode block
When lineman makees, described first electrode block is as public electrode；Described grid line below described first electrode block
When all not working with described data wire, described first electrode block is as induction electrode；Described first electrode block is
Any one in the plurality of electrode block.
Array base palte the most according to claim 1, it is characterised in that described many grid lines are divided into many groups,
Often group grid line includes that at least two grid lines, described often group grid line are positioned at below the described electrode block of same a line, and
The described grid line of different groups is positioned at below the described electrode block of different rows.
Array base palte the most according to claim 1, it is characterised in that the often group in described at least two groups
Data wire includes that some, the part of the described data wire of different groups are arranged alternately, with the described electricity of a line
In the block of pole, the described data wire below adjacent two described electrode blocks belongs to different group.
Array base palte the most according to claim 1, it is characterised in that described array base palte also include to
Few two control lines and multiple control switch, the input of the every data lines in described many data lines is all provided with
There are a described switch that controls, every control line in described at least two control lines and described at least two group numbers
Connecting according to the described control switch on one group of data wire in line, described control line is used for controlling described control and opens
The conducting closed and disconnection.
Array base palte the most according to claim 4, it is characterised in that the quantity of described control line is 3
Root, described data wire is divided into 3 groups.
Array base palte the most according to claim 1, it is characterised in that described induction electrode is touch-control sense
Answer at least one in electrode, actively an induction electrode, pressure detecting induction electrode.
Array base palte the most according to claim 1, it is characterised in that described array base palte also includes putting down
The many contact conductors that between-line spacing is arranged, the plurality of electrode block is with described many contact conductor one_to_one corresponding even
Connect.
Array base palte the most according to claim 7, it is characterised in that described array base palte also includes source
Drain electrode layer, described contact conductor is arranged with layer with described source-drain electrode layer.
Array base palte the most according to claim 1, it is characterised in that the size of the plurality of electrode block
Equal.
10. a display device, it is characterised in that described display device includes that claim 1 to 9 is arbitrary
Array base palte described in Xiang.
11. 1 kinds of drive circuits, for driving the array base palte described in any one of claim 1 to 9, its
Being characterised by, described drive circuit includes:
Drive element of the grid, is operated successively for controlling many grid lines in a frame image time in order；
Data line drive unit, when every grid line in described many grid lines works, controls at least two
Group data wire is operated successively；
Common electrode drive unit, when described grid line work below the first electrode block, or described the
When described data wire below one electrode block works, control described first electrode block and work as public electrode；
When described grid line below described first electrode block and described data wire all do not work, control described first electricity
Pole block works as induction electrode.
12. drive circuits according to claim 11, it is characterised in that described common electrode drive list
Unit, when the described grid line below described first electrode block and described data wire all do not work, to described
First electrode block input sensing drives signal；
Described drive element of the grid, is additionally operable at described common electrode drive unit defeated to described first electrode block
When entering sensing driving signal, drive, to the input of described grid line and described sensing, the signal that signal is identical.
13. drive circuits according to claim 11, it is characterised in that described common electrode drive list
Unit, when the described grid line below described first electrode block and described data wire all do not work, controls institute
State the first electrode block as in touch-control sensing electrode, actively an induction electrode, pressure detecting induction electrode extremely
Few one work.
14. 1 kinds of driving methods, for driving the array base palte described in any one of claim 1 to 9, its
Being characterised by, described method includes:
In a frame image time, control many grid lines in order be operated successively；
When every grid line in described many grid lines works, control at least two group data wires and be operated successively；
When described grid line below the first electrode block works, or the described data below described first electrode block
When lineman makees, control described first electrode block and work as public electrode；Below described first electrode block
When described grid line and described data wire all do not work, control described first electrode block and work as induction electrode.
15. driving methods according to claim 14, it is characterised in that under described first electrode block
When the described grid line of side and described data wire all do not work, control described first electrode block as induction electrode work
Make, including: when described grid line below described first electrode block and described data wire all do not work, to institute
State the first electrode block input sensing and drive signal；
Described method also includes: when driving signal to described first electrode block input sensing, to described grid line
Input and drive, with described sensing, the signal that signal is identical.
16. driving methods according to claim 14, it is characterised in that under described first electrode block
When the described grid line of side and described data wire all do not work, control described first electrode block as induction electrode work
Make, including:
When described grid line below described first electrode block and described data wire all do not work, control described
One electrode block is as at least in touch-control sensing electrode, actively an induction electrode, pressure detecting induction electrode
Plant work.
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Cited By (1)
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| CN113064513A (en) * | 2021-03-12 | 2021-07-02 | 武汉华星光电半导体显示技术有限公司 | Touch panel and display device |
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