CN107203295A - A kind of touch-control display panel, display device and its driving method - Google Patents
A kind of touch-control display panel, display device and its driving method Download PDFInfo
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- CN107203295A CN107203295A CN201710378767.1A CN201710378767A CN107203295A CN 107203295 A CN107203295 A CN 107203295A CN 201710378767 A CN201710378767 A CN 201710378767A CN 107203295 A CN107203295 A CN 107203295A
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- Prior art keywords
- touch
- control
- electrode
- display panel
- pressure
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Classifications
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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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
Abstract
The embodiments of the invention provide a kind of touch-control display panel, display device and its driving method, it is related to display technology field, for reducing power consumption, improves scan efficiency.Wherein, the touch-control display panel includes being provided with M pressure touch electrode in N number of touch area, each touch area;Drive circuit includes M multi-strobe circuit, and each multi-strobe circuit includes N number of output end and an input;I-th of output end is connected with the pressure touch electrode in i-th of touch area in each multi-strobe circuit;J-th of pressure touch electrode in each touch area is connected with j-th of multi-strobe circuit;The drive end connection of the input and drive circuit;Wherein, i≤N, j≤M, and N and M are the natural number more than or equal to 1.The touch-control display panel is suitable for display device.
Description
【Technical field】
The present invention relates to display device technical field, more particularly to a kind of touch-control display panel, display device and its driving
Method.
【Background technology】
With developing rapidly for touch technology, miscellaneous contactor control device brings convenient for the life of user.It is existing
Contactor control device includes multiple pressure touch electrodes and the signal wire connected one to one with each pressure touch electrode, the signal
Line is used to transmit touch scanning signals;Also include the touch-control driving chip being connected with signal wire, the touch-control driving chip can be integrated
In IC (Integrated Circuit) drive circuit.
With the increase of contactor control device size so that pressure touch electrode and the increase of corresponding signal wire, these signals
Line will take driving port more in IC drive circuits, for example, there is 540 signal wires, then need IC drive circuits to provide
540 ports so that port resource cannot effectively discharge;More seriously, when user carry out pressure touch operation when, it is necessary to
Pressure touch electrodes all in contactor control device are scanned, to obtain the pressing dynamics of user.
Then, all pressure touch electrodes are scanned, power consumption increase is not only resulted in, and make it that the scan period is long, scanning effect
Rate is low.
【The content of the invention】
In view of this, the embodiments of the invention provide a kind of touch-control display panel, display device and its driving method, it is used to
The scan period is long in the prior art for solution, the problem of scan efficiency is low.
In a first aspect, the invention provides a kind of touch-control display panel, the touch-control display panel includes N number of Touch Zone
M pressure touch electrode is provided with domain, each touch area;
Drive circuit includes M multi-strobe circuit, and each multi-strobe circuit includes N number of output end and one defeated
Enter end;
I-th of output end and the pressure touch electrode in i-th of touch area in each multi-strobe circuit
Connection;J-th of pressure touch electrode in each touch area is connected with j-th of multi-strobe circuit;The input
It is connected with the drive end of drive circuit;
Wherein, i≤N, j≤M, and N and M are the natural number more than or equal to 1.
Optionally, the pressure touch electrode in each touch area is with A row B column array arrangements;
Wherein, 1≤A≤M, 1≤B≤M, and M are the natural number more than or equal to 1.
Optionally, j-th of multi-strobe circuit includes M switch, and each switch includes an input and one
Output end;
What j-th of pressure touch electrode in each touch area was switched with one in j-th of multi-strobe circuit
Output end is connected;The input of the M switches is connected with the drive end;
Wherein, j≤M, and M is the natural number more than or equal to 1.
Optionally, each switch also includes a control end;
The control end of a-th of switch is connected on same control line in each multi-strobe circuit;
Wherein a≤M, and M is the natural number more than or equal to 1.
Optionally, j-th multi-strobe circuit includes k grade switches sets, per one-level switches set including an input and
Two output ends;
First output end of xth level switches set is connected to the input of -1 grade of switches set of xth, the second of xth level switches set
Output end is connected to j-th of pressure touch electrode in (x+1)th touch area;First output end of the 1st grade of switches set and the
Two output ends corresponding j-th of pressure touch electrode being connected in the 1st touch area and the 2nd touch area respectively;
Wherein, 2≤x≤M-1, j≤M, and M are the natural number more than or equal to 1.
Optionally, the switches set also includes two control ends, and the first control end is connected with the first output end, the second control
End is connected with the second output end;
The control end of the switches set of same grade is connected on same control line.
Optionally, the first control end of the switches set is N-type TFT, and the second control end is p-type film crystal
Pipe;
Or, the second control end of the switches set is N-type TFT, and the first control end is P-type TFT.
Optionally, when x is 2, i.e., j-th multi-strobe circuit includes 2 grades of switches sets, and the first of the 1st grade of switches set is defeated
Go out end to be connected with j-th of pressure touch electrode in the 1st touch area, the second output end and the 2nd Touch Zone of the 1st grade of switches set
J-th of pressure touch electrode connection in domain, the first output end of the 2nd grade of switches set is connected with the input of the 1st grade of switches set,
Second output end of the 2nd grade of switches set is connected with j-th of pressure touch electrode in the 3rd touch area.
Optionally, the touch-control display panel also includes multiple sensing touch control electrodes, and the sensing touch control electrode is used to feel
Using the position of touch at family;
The position of touch sensed by the sensing touch control electrode determines the touch area where pressure touch electrode.
Optionally, the pressure touch electrode is multiplexed with sensing touch control electrode in the position touch-control period, is used for sensing
The position of touch at family;
The pressure touch electrode is used for the touch-control dynamics for detecting user in the pressure touch period;
The position of touch sensed by the sensing touch control electrode determines the touch-control where the pressure touch electrode
Region.
Optionally, the pressure touch electrode is multiplexed with public electrode in the display period, receives public voltage signal.
A technical scheme in above-mentioned technical proposal has the advantages that:
From above-mentioned touch-control display panel, because the corresponding touch area of scanning in scanning process just for property (is touched
Control the touch area at position) in pressure touch electrode, remaining touch area do not scan, therefore, compared to
Prior art is obtained by sweeping all pressure touch electrodes on the touch-control display panel for the pressing dynamics order of user,
The pressure touch number of electrodes scanned in the present embodiment is relatively fewer, therefore power consumption is smaller, and the scan period is short, scanning
Efficiency is obviously improved.Further, since each multi-strobe circuit is only connected by an input with drive end, therefore reduce
The usage quantity of port in drive circuit, further, reduces the space-consuming of port.
Second aspect, the present invention provides a kind of display device, and the display device includes such as above-mentioned first aspect present invention
Involved touch-control display panel.
A technical scheme in above-mentioned technical proposal has the advantages that:
The display device is during user's pressing dynamics is obtained, it is only necessary to scan corresponding touch area (position of touch
Present touch area) in pressure touch electrode, do not done for the pressure touch electrode not in above-mentioned touch area
Scanning, therefore, user is obtained compared to prior art by sweeping all pressure touch electrodes on the touch-control display panel
Pressing dynamics for, the pressure touch number of electrodes scanned in the present embodiment is relatively fewer, therefore power consumption is smaller, and
Scan period is short, and scan efficiency is obviously improved.
The third aspect, the present invention provides a kind of driving method, and the driving method is applied to the invention described above first aspect
Involved touch-control display panel;
Sense position of touch;
According to the position of touch, the touch area where the position of touch is determined;
When the position of touch is located at y touch areas, the input and y of each multi-strobe circuit of control
Individual output end conducting.
A technical scheme in above-mentioned technical proposal has the advantages that:
It is real by gating the conducting of corresponding input and input in multi-strobe circuit according to above-mentioned driving method
Now to the scanning of the pressure touch electrode in corresponding touch area, so as to obtain the pressing dynamics of user.In the driving method, only
The pressure touch electrode in corresponding touch area (touch area at position of touch) is targetedly scanned, for not upper
The pressure touch electrode stated in touch area is not scanned.Compared to prior art by scanning on the touch-control display panel
For pressing dynamics of all pressure touch electrodes to obtain user, the pressure touch number of electrodes that the present invention is scanned is few, because
This power consumption is smaller, and the scan period is short, and scan efficiency is obviously improved.
【Brief description of the drawings】
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, without having to pay creative labor, it can also be obtained according to these accompanying drawings other attached
Figure.
The first structure schematic diagram for the touch-control display panel that Fig. 1 is provided by the embodiment of the present invention;
The profile for the touch-control display panel that Fig. 2 is provided by the embodiment of the present invention;
The arrangement schematic diagram of pressure touch control electrode in the touch area that Fig. 3 is provided by the embodiment of the present invention;
Second structural representation of the touch-control display panel that Fig. 4 is provided by the embodiment of the present invention;
3rd structural representation of the touch-control display panel that Fig. 5 is provided by the embodiment of the present invention;
4th structural representation of the touch-control display panel that Fig. 6 is provided by the embodiment of the present invention;
The driver' s timing figure for the touch-control display panel that Fig. 7 embodiment of the present invention is provided;
5th structural representation of the touch-control display panel that Fig. 8 is provided by the embodiment of the present invention;
The exemplary plot for the display device that Fig. 9 embodiment of the present invention is provided.
【Embodiment】
In order to be better understood from technical scheme, the embodiment of the present invention is retouched in detail below in conjunction with the accompanying drawings
State.
It will be appreciated that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
Its embodiment, belongs to the scope of protection of the invention.
The term used in embodiments of the present invention is the purpose only merely for description specific embodiment, and is not intended to be limiting
The present invention." one kind ", " described " and "the" of singulative used in the embodiment of the present invention and appended claims
It is also intended to including most forms, unless context clearly shows that other implications.
It will be appreciated that though in embodiments of the present invention touch area may be described using term the 1st, the 2nd, 3rd etc.
Or multi-strobe circuit, but these touch areas or multi-strobe circuit should not necessarily be limited by these terms.These terms are only used
Touch area or multi-strobe circuit are distinguished from each other out.For example, in the case where not departing from range of embodiment of the invention,
1st touch area can also be referred to as the 2nd touch area, similarly, and the 2nd touch area can also be referred to as the 1st touch area;
Similarly, the 1st multi-strobe circuit is also referred to as the 2nd multi-strobe circuit.
The embodiment of the present invention provides a kind of touch-control display panel, and the touch-control display panel includes N number of touch area, each to touch
Control is provided with M pressure touch electrode in region;Drive circuit includes M multi-strobe circuit, each multi-strobe circuit
Including N number of output end and an input.
Wherein, i-th of output end connects with the pressure touch electrode in i-th of touch area in each multi-strobe circuit
Connect;J-th of pressure touch electrode in each touch area is connected with j-th of multi-strobe circuit;Input and drive circuit
Drive end connection.I≤N, j≤M, and N and M are the natural number more than or equal to 1.
Exemplarily, in order to which those skilled in the art can be more clearly understood from embodiments of the invention, below with Fig. 1
As an example, the detailed concrete structure for illustrating the touch-control display panel.
Work as N=3, during M=2, refer to Fig. 1, the first knot of its touch-control display panel provided by the embodiment of the present invention
Structure schematic diagram.The touch-control display panel 100 includes the 1st touch area 10, the 2nd touch area 20 and the 3rd touch area 30.Its
In, the 1st touch area 10, which includes the touch area of pressure touch electrode the 101 and 102, the 2nd, includes pressure touch electrode 201 and 202,
3rd touch area includes pressure touch electrode 301 and 302.
The touch-control display panel 100 also includes drive circuit 1, and drive circuit 1 includes the 1st multi-strobe circuit 11 and the 2nd
Multi-strobe circuit 12, wherein, each multi-strobe circuit includes 3 output ends and 1 input.
In the 1st multi-strobe circuit 11, the electricity of pressure touch electrode 101 in the 1st output end 111 and the 1st touch area
Connection, the 2nd output end 112 is electrically connected with the pressure touch electrode 201 in the 2nd touch area, the 3rd output end 113 and the 3rd touch-control
Pressure touch electrode 301 in region is electrically connected;The input of the multi-strobe circuit 11 is electrically connected with drive end 200.May be used also
With understanding, the pressure touch electrode in the 1st touch area is corresponded with the 1st output end in each multi-strobe circuit
Pressure touch electrode in electrical connection, the 2nd touch area is corresponded with the 2nd output end in each multi-strobe circuit to be electrically connected
Connect, the pressure touch electrode in the 3rd touch area is corresponded with the 3rd output end in each multi-strobe circuit and electrically connected.
In addition, the connected mode of the output end and input in the 2nd multi-strobe circuit 12 is similar to the 1st multi-strobe circuit 11,
It will not be repeated here.
It should be noted that on the basis of the orientation in Fig. 1, from left to right, being followed successively by the 1st multi-strobe circuit the 11, the 2nd
Multi-strobe circuit 12.In addition, in the 1st multi-strobe circuit, the 1st output end 111, the 2nd output end are followed successively by from left to right
112, and the 3rd output end 113.In 2nd multi-strobe circuit in the connected mode of 3 output ends and the 1st multi-strobe circuit
The connected mode of output end is similar, refer to above-mentioned relevant position and is retouched on the connected mode of output end in the 1st drive circuit
State, will not be repeated here.As an example, the touch-control display panel 100 shown in Fig. 1 only shows 3 touch areas, wherein 3 are touched
Controlling includes 2 pressure touch electrodes in region, and 2 multi-strobe circuits, in fact, on touch-control display panel 100
The quantity that the quantity of touch area is far longer than pressure touch control electrode in 3, each touch area is far longer than 2, and multichannel is selected
The quantity of circuit passband is also far longer than 2, and the embodiment of the present invention is to touch area on touch-control display panel and each touch area
The quantity of interior included pressure touch electrode, and the quantity of multi-strobe circuit are not specially limited.In addition, the present embodiment
In, the position of touch area is only signal, is not offered as physical location.
The operation principle and the course of work to above-described embodiment are described in detail below:
Fig. 2 is refer to, the profile of its touch-control display panel provided by the embodiment of the present invention.The touch-control display panel
Including reference electrode 24 and array base palte 21, pressure touch electrode is arranged on array base palte 21, pressure touch electrode and reference
The formation capacitor of electrode 24.When user presses touch-control display panel 100, the pressure touch electrode and reference electrode of relevant position
24 form inductance capacitance Δ C, wherein, inductance capacitance Δ C=ε * S/ Δ d, wherein, ε represents dielectric constant, and S represents facing area,
Δ d represents distance of reaction.ε and S is known parameters, when distance of reaction Δ d changes, will cause inductance capacitance Δ C's
Change.Further, the size of the variable quantity induction pressure of inductance capacitance is passed through.
When user carries out pressing operation, it is necessary first to determine the position at the place of the pressure touch electrode of user's pressing,
Then by being scanned to corresponding position, the pressing dynamics of further sensing user.Specifically, the present embodiment, in place
Put the touch-control stage, pressure touch electrode is multiplexed with sensing touch control electrode, provided by capacitance detecting for each sensing touch control electrode
Pulse signal, position of touch is judged by detecting the induced signal in sensing touch control electrode, it is determined that sensing touch control electrode is located at
In which touch area.Then, in the pressure touch stage, pair touch area determined is scanned, and then induces user's
The size of pressing dynamics.Therefore it may only be necessary to the pressure touch electrode in corresponding touch area is scanned can obtain by
Surging, and without as needing to scan all pressure touch electrodes in whole touch-control display panel in the prior art
Pressing dynamics is obtained, therefore the present embodiment can efficiently reduce the quantity of scanning pressure touch electrode, improve sweep speed.
Exemplary, when the touch area where sensing pressure touch electrode is 2 touch area, control is each more
The input of road gating circuit and the 2nd output end are turned on, i.e. all pressure touch electrodes are by respective in the second touch area
The output end of connection is turned on corresponding input, and then the pressure touch electrode of conducting is scanned, so as to be pressed
The size of dynamics.In the present embodiment, due to the corresponding touch area of scanning (residing for position of touch in scanning process just for property
In touch area) in pressure touch electrode, remaining touch area do not scan, therefore, logical compared to prior art
For the size of pressing dynamics of all pressure touch electrodes to obtain user on the overscan touch-control display panel, this implementation
The pressure touch number of electrodes scanned in example is relatively fewer, therefore power consumption is smaller, and the scan period is short, and scan efficiency is bright
Aobvious lifting.
Further, since the multi-strobe circuit of each in above-described embodiment is only connected by an input with drive end,
Therefore the usage quantity of the port in drive circuit is reduced, further, the space-consuming of port is reduced.
In a kind of specific embodiment, as shown in figure 3, pressure in its touch area for being provided by the embodiment of the present invention
The arrangement schematic diagram of touch control electrode.Pressure touch electrode in each touch area with A row B column array arrangements, wherein, 1≤A
≤ M, 1≤B≤M, and M is the natural number more than or equal to 1.Exemplary, carried out in detail by taking the 1st touch area 10 as an example
Introduce the arrangement mode of pressure touch electrode.Pressure touch electrode in 1st touch area 10 is arranged with array, wherein going
Number is 7, and columns is 6, so that the quantity of the pressure touch electrode in the 1st touch area is 42.The arrangement of array, in touch-control
It is evenly distributed on display panel, is conducive to lead of arranging, it is to avoid electric leakage is turned between lead.
It should be noted that as an example, Fig. 3 illustrate only 1 touch area, and the 1st shown touch area
10 include 42 pressure touch electrodes, in fact, the quantity of the touch area included by touch-control display panel is far longer than 1,
And the quantity of the pressure touch electrode in each touch area is also far longer than 42, the embodiment of the present invention is to touch area and often
The quantity of pressure touch electrode in individual touch area is not specially limited.
In a kind of more specifically embodiment, j-th of multi-strobe circuit includes M switch, and each switch includes
One input and an output end.In j-th of pressure touch electrode and j-th of multi-strobe circuit in each touch area
The output end connection of one switch;The input of M switch is connected with drive end.Wherein, j≤M, and M is to be more than or wait
In 1 natural number.
Due in whole touch-control display panel, close to touch-control display panel central area or positioned at touch-control display panel
The semaphore of the pressure touch electrode of central area is more than the electricity of the pressure touch electrode positioned at touch-control display panel fringe region
Semaphore.Therefore, as one in j-th of the pressure touch electrode and j-th of multi-strobe circuit in each touch area
During the output end electrical connection of switch, arranged with reference to the pressure touch electrode in each touch area with array, that is, show every
Pressure touch electrode in one touch area at same position is electrically connected in same multi-strobe circuit, and then is caused,
Wire length between the pressure touch electrode and output end of touch-control display panel central area, which is more than, is located at fringe region
Pressure touch electrode and output end between wire length, finally so that pressure in touch-control display panel fringe region is touched
The electric signal amount for controlling the pressure touch electrode in the semaphore and central area of electrode reaches unanimity.
Exemplary, as M=9, as shown in figure 4, the of its touch-control display panel provided by the embodiment of the present invention
Two structural representations.Touch-control display panel in Fig. 4 includes the 1st touch area 10, the 2nd touch area 20, and the 3rd Touch Zone
Domain 30.Touch-control display panel also includes multi-strobe circuit 11~19.Fig. 4 is that drive circuit is entered on Fig. 1 basis
The restriction of one step, therefore, will not be repeated here with Fig. 1 identicals part.As j=2, the 2nd multi-strobe circuit 12 includes 3
Individual switch, each switch includes an input and an output end, wherein, the 2nd pressure touch in each touch area
Electrode is electrically connected with the output end of a switch in the 2nd multi-strobe circuit 12;The input of 3 switches is electrically connected with
In drive end.As j=1 and 3, the electric connection mode of 3 switches refers to multi channel selecting in multi-strobe circuit 11 and 13
The electrical connection of 3 switches in circuit 12, will not be repeated here.
It is exemplary still by taking Fig. 4 as an example, to 9 pressure touch electrodes in the 2nd touch area 20 and multi channel selecting electricity
The connected mode on road is described in detail:
The 1st pressure touch electrode 201 in 2nd touch area 20 is defeated with the 2nd switch in the 1st multi-strobe circuit 11
Go out end electrical connection;2nd pressure touch electrode 202 is electrically connected with the output end of the 2nd switch in the 2nd multi-strobe circuit 12;3rd
Pressure touch electrode 203 is electrically connected with the output end of the 2nd switch in the 3rd multi-strobe circuit 13.4th~9 pressure touch electricity
The connected mode of pole and multi-strobe circuit can be found in the connected mode of the 1st pressure touch electrode 201, will not be repeated here.When
When the pressure touch electrode sensed is in the 2nd touch area, by each multi-strobe circuit the 2nd switch input with
Output end is turned on, so as to be scanned to the pressure touch electrode in the touch area, further obtains the big of pressing dynamics
It is small.In the present embodiment, the pressure touch electrode in corresponding touch area is only scanned, without scanning the pressure in other touch areas
Touch control electrode, for needing to scan all pressure touch electrodes on touch-control display panel in the prior art, this hair
The bright quantity for being effectively reduced scanning pressure touch electrode, improves sweep speed.
It should be noted that on the basis of the orientation shown in Fig. 4, in multi-strobe circuit 11, being followed successively by from left to right
1st output end, the 2nd output end and the 3rd output end.The arrangement mode and multichannel of output end in multi-strobe circuit 12~19
It is identical in gating circuit 11, it will not be repeated here.As an example, the touch-control display panel shown in Fig. 4 only shows 3 Touch Zones
Domain and 9 multi-strobe circuits, each touch area only include 9 pressure touch electrodes, and each multi-strobe circuit is only wrapped
Include 3 switches.In fact, the quantity switched in the quantity of touch area and each multi-strobe circuit is far longer than 3, it is many
The quantity of pressure touch control electrode is far longer than 9, the embodiment of the present invention in the quantity of road gating circuit and each touch area
To the quantity of the pressure touch electrode included in touch area on touch-control display panel and touch area, and multi-strobe circuit
Quantity and multi-strobe circuit included by the quantity of switch be not specially limited.In addition, in the present embodiment, multi channel selecting electricity
The position of switch is only signal in road 11~19, is not offered as physical location.
Further, each switch also includes a control end;The control end of a-th of switch in each multi-strobe circuit
It is connected on same control line;Wherein a≤M, and M is the natural number more than or equal to 1.
Exemplary, with continued reference to Fig. 4, the drive circuit also includes 3 control lines SW1, SW2 and SW3, multi channel selecting electricity
Each switch in road 11~19 also includes a control end.9 the 1st switches in multi-strobe circuit 11~19 are electrically connected
Same control line SW1 is connected to, 9 the 2nd switches are electrically connected to same control line SW2, and 9 the 3rd switches are electrically connected to same control
Line SW3 processed.In other words, the input in the electric signal in control line SW1 switchs the 1st in multi-strobe circuit 11~19
End is further to sense user's with that after output end conducting, just can be scanned to the pressure touch electrode in the 1st touch area
The size of pressing dynamics.The quantity of lead can effectively be reduced with closure by the disconnection of a control line traffic control multiple switch,
And then reduce the space that lead takes touch-control display panel.Control line SW2 and control line SW3 control mode and control line
SW1's is similar, will not be repeated here.
The pressure touch electrode scanned in corresponding touch area can be realized by same control line, so as to avoid to whole
All touch-control pressure electrodes in individual touch-control display panel are scanned, therefore improve scan efficiency, and due to scanning
The quantity of pressure touch electrode reduce, therefore power consumption substantially reduces.
Still by taking Fig. 4 as an example, the detailed course of work for introducing above-described embodiment.
Exemplary, will be per all the way when the touch area where sensing pressure touch electrode is 2 touch area 20
The input of the 2nd switch in multi-strobe circuit is turned on output end, so as to the pressure touch electrode in the touch area
It is scanned, and then senses the size of the pressing dynamics of user.Scanning pressure touch electrode is effectively reduced in the present embodiment
Quantity, reduce power consumption, improve scan efficiency.When the touch area where the pressure touch electrode sensed is the 1st tactile
When controlling region 10 and 3 touch area 30, the course of work is similar to the 2nd touch area 20, will not be repeated here.
Further, can also be by controlling being opened or closed for line traffic control respective switch.Specifically, passing through control line SW2
Input per the 2nd switch in multi-strobe circuit all the way is turned on output end.1st touch area 10 and the 3rd touch-control
The course of work in region 30 is similar to the course of work of the 2nd touch area, will not be repeated here.
It should be noted that on the basis of the orientation shown in Fig. 4, array from left to right, multi-strobe circuit
The 1st switch, the 2nd switch and the 3rd switch in 11, and the 1st switch, the 2nd switch and the 3rd in multi-strobe circuit 12
Switch.
In a kind of feasible implementation, above-mentioned switch can utilize metal-oxide semiconductor (MOS) (Metal Oxide
Semiconductor, MOS) pipe realization, accordingly, the control end of switch can be the grid of metal-oxide-semiconductor, the signal output of switch
End can be the drain electrode of metal-oxide-semiconductor, and the signal input part of switch can be the source electrode of metal-oxide-semiconductor, or, the control end of switch can be
The grid of metal-oxide-semiconductor, the signal output part of switch can be the source electrode of metal-oxide-semiconductor, and the signal input part of switch can be the leakage of metal-oxide-semiconductor
Pole.
In another feasible embodiment, j-th of multi-strobe circuit includes k grades of switches sets, per one-level switches set
Including an input and two output ends;First output end of xth level switches set is connected to the input of -1 grade of switches set of xth
End, the second output end of xth level switches set is connected to j-th of pressure touch electrode in (x+1)th touch area;1st grade is opened
First output end of pass group and corresponding j-th be connected in the 1st touch area and the 2nd touch area respectively of the second output end
Pressure touch electrode;Wherein, 2≤x≤M-1, j≤M, and M are the natural number more than or equal to 1.
Exemplary, in order to which those skilled in the art are better understood from above-described embodiment, shown below with the touch-control in Fig. 5
Exemplified by the structure of panel, it is described in detail.
Referring to Fig. 5, the 3rd structural representation of its touch-control display panel provided by the embodiment of the present invention.The touch-control shows
Show that panel (not shown) includes the 1st touch area 10, the 2nd touch area 20, the 3rd touch area 30 ... ..., xth touch-control
Region and (x+1) touch area.Wherein, each touch area includes 3 pressure touch electrodes., should as j=2
Multi-strobe circuit includes the 1st switches set, the 2nd switches set ... ..., -1 grade of switches set of xth, and xth level switches set.Wherein,
Include two output ends and an input per one-level switches set, the input of xth level switches set is electrically connected with drive end 200
Connect;The input of -1 grade of switches set of xth is electrically connected with the first output end of xth level, the second output end and (x+1) of xth level
The 2nd pressure touch electrode (x+1) 02 electrical connection in touch area.First output end of the 1st grade of switches set is electrically connected to the 1st
The 2nd pressure touch electrode 102 in touch area, the 2nd pressure that the second output end is electrically connected in the 2nd touch area is touched
Control electrode 202.The electric connection mode of 1st multi-strobe circuit and the 3rd multi-strobe circuit refers to the 2nd multi-strobe circuit
Electric connection mode, will not be repeated here.
It should be noted that on the basis of the orientation shown in Fig. 5, being from left to right followed successively by the 1st multi-strobe circuit, the 2nd
Multi-strobe circuit and the 3rd multi-strobe circuit.As an example, Fig. 5 illustrate only 5 touch areas and each touch area
Including 3 pressure touch electrodes, and 3 multi-strobe circuits, and in fact, the quantity of touch area is far longer than 5, and
The quantity of pressure touch electrode in each touch area is far longer than 3, and the quantity of multi-strobe circuit is much larger than 3.This
Outside, in the present embodiment, the position in the multi-strobe circuit of the 1st, 2 and 3 is only signal, is not offered as physical location.
The form of switches set can efficiently reduce an input, and then effectively reduce drawing in touch-control display panel
The quantity of line, it is to avoid because excessive lead causes to turn on the electrical leakage problems caused between lead.
Further, switches set also includes two control ends, and the first control end is connected with the first output end, the second control end
It is connected with the second output end.The control end of the switches set of same grade is connected on same control line.
Exemplary, with continued reference to Fig. 5, each switches set includes the first control end and the second control end, the first control
End processed is connected with the first output end, and the second control end is connected with the second output end, also, the drive circuit also includes x bars and controlled
Line SW, wherein, control line SW1 controls all switches sets ... ... in the 1st grade of switches set, control line SWx control xth level switches
All switches sets in group.
More specifically embodiment, the first control end of switches set can be N-type TFT, and the second control end can be
P-type TFT.Or, the second control end of switches set can be N-type TFT, and the first control end can be p-type film
Transistor.Accordingly, the control end of switches set can be the grid of thin film transistor (TFT), and the output end of switches set can be that film is brilliant
The drain electrode of body pipe, the input of switches set can be the source electrode of thin film transistor (TFT).Or, the control end of switches set can be film
The grid of transistor, the output end of switches set can be the source electrode of thin film transistor (TFT), and the input of switches set can be that film is brilliant
The drain electrode of body pipe.
The quantity of lead in touch-control display panel can be not only efficiently reduced using switches set, but also control can be reduced
The quantity of line, and then avoid due to the electrical leakage problems that the conducting between control line is caused.
Exemplary, with reference to Fig. 6, the 4th structural representation of its touch-control display panel provided by the embodiment of the present invention
Figure.Work as x=2, j=2, during M=6, i.e., the 2nd multi-strobe circuit includes 2 grades of switches sets, the first output of the 1st grade of switches set
End is electrically connected with the 2nd pressure touch electrode in the 1st touch area, the second output end and the 2nd Touch Zone of the 1st grade of switches set
The 2nd pressure touch electrode electrical connection in domain, the input electricity of the first output end of the 2nd grade of switches set and the 1st grade of switches set
Connection, the second output end of the 2nd grade of switches set is electrically connected with the 2nd pressure touch electrode in the 3rd touch area.In addition, j=
The electrical connection of multi-strobe circuit and pressure touch electrode when 1, refers to multi-strobe circuit and pressure during above-mentioned j=2
The electrical connection of power touch control electrode, will not be repeated here.
Still by taking Fig. 6 as an example, the detailed course of work for introducing above-described embodiment.
When the pressure touch electrode that user is pressed is located in the 2nd touch area 20, control line SW2 is in low level,
So as to which the input and the first output end in the 2nd grade of switches set are turned on;Control line SW1 is in high level, so that the 1st grade of switches set
In input and the second output end turn on, and then the pressure touch electrode in the 2nd touch area 20 is scanned.The work
Process, effectively reduces the quantity of scanning pressure touch electrode, reduces power consumption, improves scan efficiency.1st touch area 10
It is similar to the course of work of the 2nd touch area 20 with the course of work of the 3rd touch area 30, it will not be repeated here.
On the basis of the various embodiments described above, in a kind of optional embodiment, touch-control display panel also includes multiple
Sense touch control electrode, sensing touch control electrode is used for the position of touch for sensing user;Pass through touching of sensing that touch control electrode sensed
Control position determines the touch area where pressure touch electrode.In another optional embodiment, pressure touch electrode exists
The position touch-control period is multiplexed with sensing touch control electrode, the position of touch for sensing user;Pressure touch electrode is touched in pressure
The control period is used for the pressing dynamics for detecting user;The position of touch sensed by sensing touch control electrode determines pressure touch
Touch area where electrode.Further, pressure touch electrode is multiplexed with public electrode in the display period, receives common electrical
Press signal.
Next sensing is multiplexed with the position touch-control period with the pressure touch electrode of the touch-control display panel shown in Fig. 6
Touch control electrode, is illustrated, with reference to Fig. 7, it is carried by the embodiment of the present invention exemplified by showing that the period is multiplexed with public electrode
The driver' s timing figure of the touch-control display panel of confession, specially shows the driver' s timing figure in a frame time.With reference to reference to Fig. 6 and figure
7, in the present embodiment, pressure touch electrode (101~106,201~206, and 301~306) equal in position touch-control period T
Sensing touch control electrode is multiplexed with, public electrode is multiplexed with display period D.Specifically, with reference to Fig. 8, it is real for the present invention
Apply the 5th structural representation of the touch-control display panel that example is provided.The touch-control display panel also includes liquid crystal display panel, liquid
LCD panel includes the array base palte 21 and color membrane substrates 22 being oppositely arranged, and positioned at array base palte 21 and color membrane substrates 22
Between liquid crystal layer 23.It is provided with array base palte 21 and limit is intersected by multirow grid line (not shown) and multiple columns of data lines (not shown)
Thin film transistor (TFT) (not shown), pixel electrode (not shown) are provided with fixed multiple sub-pixel (not shown), each sub-pixel
With public electrode (101~106,201~206, and 301~306).The grid of each thin film transistor (TFT) connects a grid line,
Source electrode connects a data line, drain electrode one pixel electrode of connection.Under the control of corresponding grid line, the source electrode of thin film transistor (TFT)
Corresponding data wire implements discharge and recharge, pixel electrode and public electrode by thin film transistor (TFT) to the corresponding pixel electrode that drains
(101~106,201~206, and 301~306) between form electric field.Liquid crystal display panel shows the time in display
Section D, public electrode (101~106,201~206, and 301~public voltage signal 306) is received (as shown in fig. 7, being usually
One constant voltage signal), pixel electrode and public electrode (101~106,201~206, and 301~306) between form electricity
, to control the rotation of liquid crystal molecule in liquid crystal layer, and reach display function.In the present embodiment, public electrode (101~106,
201~206, and 301~sensing touch control electrode 306) is multiplexed with position touch-control period T, it can be detected by self-capacitance
Mode provides pulse signal for each sensing touch control electrode, and touch-control position is judged by detecting the induced signal in sensing touch control electrode
Put, it is determined which touch area is sensing touch control electrode be located in;Above-mentioned pressure touch electricity is multiplexed with pressure touch period F
Pole, and according to identified touch area, being scanned to the pressure touch electrode in corresponding touch area, now by for
Control SW1 and SW2 etc. provides the closure that corresponding voltage signal comes controlling switch and/or switches set.
As shown in figure 9, the exemplary plot of the display device provided by the embodiment of the present invention.The display device 500 includes upper
State touch-control display panel 100.It should be noted that Fig. 9 using mobile phone as display device exemplified by carry out example, but display device is simultaneously
Be not limited to mobile phone, specifically, the display device can include but is not limited to personal computer (Personal Computer,
PC), personal digital assistant (Personal Digital Assistant, PDA), radio hand-held equipment, tablet personal computer (Tablet
Computer), any electronic equipment with display function such as MP4 players or television set.
The display device 500 is during the pressing dynamics of sensing user, it is only necessary to scan corresponding touch area (touch-control
Touch area at position) in pressure touch electrode, for the pressure touch electrode not in above-mentioned touch area simultaneously
Do not scan, therefore, sensed compared to prior art by sweeping all pressure touch electrodes on the touch-control display panel
For the pressing dynamics of user, the pressure touch number of electrodes scanned in the present embodiment is relatively fewer, therefore power consumption is smaller,
And the scan period is short, scan efficiency is obviously improved.
The present invention provides a kind of driving method, and driving method is applied to above-mentioned touch-control display panel.The driving method bag
Include:
S101, senses position of touch.
S102, according to position of touch, determines the touch area where the position of touch.
S103, when position of touch is located at y touch areas, control each multi-strobe circuit input and y-th
Output end is turned on.
It is real by gating the conducting of corresponding input and input in multi-strobe circuit according to above-mentioned driving method
Now to the scanning of the pressure touch electrode in corresponding touch area, so as to sense the size of the pressing dynamics of user.The driving side
It is right just for the pressure touch electrode in the corresponding touch area of scanning (touch area at position of touch) of property in method
Do not scanned in the pressure touch electrode not in above-mentioned touch area.Shown compared to prior art by scanning the touch-control
For pressing dynamics of all pressure touch electrodes to obtain user on panel, the pressure touch number of electrodes that the present invention is scanned
Amount is few, therefore power consumption is smaller, and the scan period is short, and scan efficiency is obviously improved.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided by the present invention, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, for example, multiple units or group
Part can combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown
Or the coupling each other discussed or direct-coupling or communication connection can be by some interfaces, device or unit it is indirect
Coupling is communicated to connect, and can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (13)
1. a kind of touch-control display panel, it is characterised in that the touch-control display panel includes N number of touch area, each Touch Zone
M pressure touch electrode is provided with domain;
Drive circuit includes M multi-strobe circuit, and each multi-strobe circuit includes N number of output end and an input
End;
I-th of output end is connected with the pressure touch electrode in i-th of touch area in each multi-strobe circuit;
J-th of pressure touch electrode in each touch area is connected with j-th of multi-strobe circuit;The input and driving
The drive end connection of circuit;
Wherein, i≤N, j≤M, and N and M are the natural number more than or equal to 1.
2. touch-control display panel according to claim 1, it is characterised in that
The pressure touch electrode in each touch area is with A row B column array arrangements;
Wherein, 1≤A≤M, 1≤B≤M, and M are the natural number more than or equal to 1.
3. touch-control display panel according to claim 1, it is characterised in that
J-th of multi-strobe circuit includes M switch, and each switch includes an input and an output end;
The output of a switch in j-th of pressure touch electrode and j-th of multi-strobe circuit in each touch area
End connection;The input of the M switches is connected with the drive end;
Wherein, j≤M, and M is the natural number more than or equal to 1.
4. touch-control display panel according to claim 3, it is characterised in that
Each switch also includes a control end;
The control end of a-th of switch is connected on same control line in each multi-strobe circuit;
Wherein a≤M, and M is the natural number more than or equal to 1.
5. touch-control display panel according to claim 1, it is characterised in that
J-th of multi-strobe circuit includes k grades of switches sets, includes an input and two output ends per one-level switches set;
First output end of xth level switches set is connected to the input of -1 grade of switches set of xth, the second output of xth level switches set
End is connected to j-th of pressure touch electrode in (x+1)th touch area;First output end of the 1st grade of switches set and second defeated
Go out end corresponding j-th of pressure touch electrode being connected in the 1st touch area and the 2nd touch area respectively;
Wherein, 2≤x≤M-1, j≤M, and M are the natural number more than or equal to 1.
6. touch-control display panel according to claim 5, it is characterised in that the switches set also includes two control ends,
First control end is connected with the first output end, and the second control end is connected with the second output end;
The control end of the switches set of same grade is connected on same control line.
7. touch-control display panel according to claim 6, it is characterised in that the first control end of the switches set is N-type
Thin film transistor (TFT), the second control end is P-type TFT;
Or, the second control end of the switches set is N-type TFT, and the first control end is P-type TFT.
8. touch-control display panel according to claim 5, it is characterised in that when x is 2, i.e., j-th multi-strobe circuit
Including 2 grades of switches sets, the first output end of the 1st grade of switches set is connected with j-th of pressure touch electrode in the 1st touch area,
Second output end of the 1st grade of switches set is connected with j-th of pressure touch electrode in the 2nd touch area, and the of the 2nd grade of switches set
One output end is connected with the input of the 1st grade of switches set, the second output end and the jth in the 3rd touch area of the 2nd grade of switches set
Individual pressure touch electrode connection.
9. the touch-control display panel according to any one of Claims 1 to 5, it is characterised in that the touch-control display panel is also
Including multiple sensing touch control electrodes, the sensing touch control electrode is used for the position of touch for sensing user;
The position of touch sensed by the sensing touch control electrode determines the touch area where pressure touch electrode.
10. the touch-control display panel according to any one of Claims 1 to 5, it is characterised in that the pressure touch electrode exists
The position touch-control period is multiplexed with sensing touch control electrode, the position of touch for sensing user;
The pressure touch electrode is used for the touch-control dynamics for detecting user in the pressure touch period;
The position of touch sensed by the sensing touch control electrode determines the touch area where the pressure touch electrode.
11. the touch-control display panel according to any one of Claims 1 to 5, it is characterised in that the pressure touch electrode exists
The display period is multiplexed with public electrode, receives public voltage signal.
12. a kind of display device, it is characterised in that the display device includes touching as described in any one of claim 1~11
Control display panel.
13. a kind of driving method, it is characterised in that the driving method is applied to described in any one of the claims 1~11
Touch-control display panel;
Sense position of touch;
According to the position of touch, the touch area where the position of touch is determined;
When the position of touch is located at y touch areas, the input of each multi-strobe circuit of control and y-th it is defeated
Go out end conducting.
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