Specific embodiment
With reference to the accompanying drawings and examples the application is described in further detail.It is understood that this place is retouchedThe specific embodiment that states is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that, in order toBe easy to describe, illustrate only in accompanying drawing to about the related part of invention.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phaseMutually combine.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the application in detail.
Fig. 1 is refer to, the structural representation of one embodiment of touch-control display panel according to the application is it illustrates.
As shown in figure 1, touch-control display panel 100 includes first to N for arranging in the first direction, extending in a second directionIndividual touch control electrode TX1, TX2 ..., TXN, common signal line Vcom, at least one touching signals line TX_pulse and touch-control driveGalvanic electricity road 10.Touch drive circuit 10 includes：First control signal wire group 110, the second control signal wire group 120, a plurality of 3rdControl signal wire CK31 ..., CK3c, first switch group 11, second switch group 12 and the 3rd switches set 13；First control signal wireGroup 110 include a plurality of first control signal wire CK11, CK12 ..., CK1 (a-1), CK1a, the second control signal wire group 120 includesA plurality of second control signal wire CK21, CK22 ..., CK2 (b-1), CK2b, wherein, a, b, c are positive integer.Each first is openedPass group 11 includes m first switch, each first switch group 11 and first control signal wire CK11, CK12 ..., CK1 (a-1)Or CK1a electrical connections and with the insulation of other first control signal wires, each first switch and at least one touching signals line TX_pulseElectrical connection.Each second switch group 12 includes n second switch, each second switch group and a second control signal wire CK21,CK22 ..., CK2 (b-1) or CK2b electrical connections and with the insulation of other second control signal wires, each second switch group 12 and public letterNumber line Vcom electrical connection；Each the 3rd switches set 13 includes n-1 the 3rd switch, and each the 3rd switch is believed with one article of the 3rd controlNumber line CK31 ... or CK3c electrical connections, each 3rd switch are electrically connected with common signal line Vcom.Wherein, N, m, n are just wholeNumber, and m≤N, 2≤n<m；First direction is intersected with second direction.Alternatively, first direction is mutually perpendicular to second direction.
It should be noted that Fig. 1 only schematically shows touching signals line and first by taking a touching signals line as an exampleAnnexation between switch, in present embodiments, the quantity of touching signals line can be one or more, each theOne switch can be electrically connected with any one touching signals line.Alternatively, the quantity of touching signals line number amount and first switch groupIdentical, each first switch group is electrically connected with a touching signals line respectively.
As shown in figure 1, in the present embodiment, each first switch and (i-1) × (m- in i-th first switch group 111)+1 touch control electrode corresponds electrical connection to (i-1) × (m-1)+m touch control electrode.Specifically, first firstEach first switch in switches set 11 is electrically connected to m-th touch control electrode TXm with the 1st touch control electrode TX1, and second first is openedEach first switch in pass group 11 is electrically connected to the 2m-1 touch control electrode TX (2m-1) with m-th touch control electrode TXm, the 3rdEach first switch in first switch group 11 is electrically connected with the individual touch control electrodes of TX (2m-1) to TX (3m-2), and the rest may be inferred,Each first switch in (a-1) individual first switch group 11 and+1 touch control electrode of (a-2) × (m-1) to (a-2) × (m-1)+m touch control electrode electrical connection.Here, i is positive integer and i≤(N-1)/(m-1).Alternatively, a-th first switch groupMultiple first switches in 11 are corresponded to n-th touch control electrode with (a-2) × (m-1)+m touch control electrode and are electrically connected.In other words, there is a first switch to connect with a first switch in i+1 first switch group in i-th first switch groupIt is connected to same touch control electrode TX (im-i+1), that is to say, that for arbitrary i, (i-1) × (m-1)+m touch control electrodeIt is connected to two first switch groups, or the overlapping electrodes that the touch control electrode is connected by two neighboring first switch group.
Above-mentioned each second switch group 12 has following annexation with each touch control electrode：In j-th second switch group 12Each second switch is corresponded to (j × n) individual touch control electrode with (j-1) × n+1 touch control electrode and is electrically connected.Wherein, j isPositive integer, and j≤N/n.Specifically, each second switch group includes n second switch, and 2≤n<M, n can be more than or equal to2 and the arbitrary value less than m, each second switch in first second switch group 12 and the 1st touch control electrode are to n-th touch-control electricityElectrical connection is corresponded, each second switch and (n+1)th touch control electrode in second second switch group 12 is to the 2n touch-controlElectrode corresponds electrical connection, the like, each second switch and (b-2) × n+1 in the b-1 second switch group 12Touch control electrode corresponds electrical connection to (b-1) × n touch control electrode, and multiple second in b-th second switch group 12 openGuan Yu (b-1) × n+1 touch control electrode corresponds electrical connection to n-th touch control electrode.
Above-mentioned each 3rd switch has following annexation with touch control electrode：With (k-1) × (m-1)+m touch control electrodeOther the n-1 touch control electrodes and each 3rd switch in k-th the 3rd switches set 13 for electrically connecting same second switch group are electrically connectedConnect, wherein k is positive integer, and k≤N/n.That is, being connected other n- of same second switch group with above-mentioned each overlapping electrodes1 touch control electrode is corresponded with the 3rd switch and is electrically connected, and the touch control electrode being connected with same second switch group is connectedEach 3rd switch belong to same 3rd switches set.
Above-mentioned each first switch on or off under the control of its first control signal wire for connecting, above-mentioned each second opensOn or off under the control of the second control signal wire of Guan Qi connections, the 3rd control that above-mentioned each 3rd switch connects at whichOn or off under the control of holding wire.When first switch is turned on, by first switch connect touching signals line with correspondingTouch control electrode is electrically connected；In second switch or three switch conductions, common signal line is electrically connected with corresponding touch control electrode.
According to above-mentioned annexation, when driving each touch control electrode to carry out touching detection, can successively to each first controlHolding wire provides Continuity signal.Then each first switch group is sequentially turned on, and each first switch in same first switch group is sameWhen turn on, the first switch of different first switch groups do not simultaneously turn on.When i-th first switch group is turned on, the first switch+ 1 touch control electrode of (i-1) × (m-1) of group connection receives touching signals line to (i-1) × (m-1)+m touch control electrodeThe touch scanning signals of TX_pulse transmission.For example when first switch group is turned on, the 1st touch control electrode TX1 is to m-th touch-controlElectrode TXm receives the touch scanning signals of touching signals line TX_pulse transmission, when second switch group is turned on, m-th touch-controlElectrode TXm to the 2m-1 touch control electrode TX (2m-1) receives the touch scanning signals of touching signals line TX_pulse transmission, according toSecondary analogize, until n-th touch control electrode is completed once after receiving the touch scanning signals of touching signals line TX_pulse transmissionTouch-control is scanned.As can be seen that in a touch-control scanning, m-th touch control electrode, the 2m-1 touch control electrode, 3m-2 are individual tactileControl electrode, the 4m-3 touch control electrode ... have received touch scanning signals twice, i.e., these touch control electrodes are swept in a touch-controlIt has been scanned twice during retouching.When touch point is located at the marginal position of some in these touch control electrodes, with touch-controlThe corresponding touch control electrode of point connects each touch control electrode of same first switch group and touch point is sensed as an entirety, andAnd, as these touch control electrodes perform twice sweep, the semaphore of the induced signal produced due to touch-control is thereby increased,And then improve touch accuracy.
Further, above-mentioned each second switch and the switches of Ge tri- can be on touch control electrode transmission common signal line VcomPublic voltage signal.Within the time of a first switch group conducting, touch control electrode corresponding with the first switch group is receivedTouching signals, it is possible to use second switch and the 3rd is switched to other touch control electrode transmission public voltage signals.Specifically, can be withSecond switch or the 3rd by other touch control electrode connections in addition to the touch control electrode of the first switch group connection for currently turning onSwitch conduction, so that other electrodes above-mentioned receive public voltage signal, so as to ensure that other electrodes are not at vacant state, so as toEnsure other electrodes not to be subject to the impact of noise signal and produce for sensing the signal of touch point.Here, due to each secondSwitches set connection each touch control electrode can from belong to different first switch groups first switch electrically connect, using the 3rd switch comeControl these touch control electrodes and receive public voltage signal.
Fig. 2 is refer to, the structural representation of another embodiment of touch-control display panel according to the application is it illustrates.
In the present embodiment, touch-control display panel 200 include arranging in the first direction, extend in a second direction first toN-th touch control electrode TX1, TX2 ..., TXN, common signal line Vcom, at least one touching signals line TX_pulse and touch-controlDrive circuit 20.Touch drive circuit 20 includes：First control signal wire group 110, the second control signal wire group 120, a plurality ofThree control signal wire CK31 ..., CK3c, first switch group 21, second switch group 22 and the 3rd switches set 23；First control signalLine group 110 include a plurality of first control signal wire CK11, CK12 ..., CK1 (a-1), CK1a, the second control signal wire group 120 wrapsInclude a plurality of second control signal wire CK21, CK22 ..., CK2 (b-1), CK2b, wherein, a, b, c are positive integer.Each firstSwitches set 21 includes m first switch, each first switch group 21 and first control signal wire CK11, CK12 ..., CK (a-1) or CKa electrical connections and with the insulation of other first control signal wires, each first switch and at least one touching signals line TX_Pulse is electrically connected.Each second switch group 22 includes n second switch, each second switch group 22 and second control signalLine CK21, CK22 ..., CK2 (b-1) or CK2b electrical connections and with the insulation of other second control signal wires, each second switch group 12Electrically connect with common signal line Vcom；Each the 3rd switches set 23 includes n-1 the 3rd switches, each the 3rd switch with one article theThree control signal wire CK31 ... or CK3c is electrically connected, each 3rd switch is electrically connected with common signal line Vcom.Wherein, N, m, n are equalFor positive integer, and m≤N, 2≤n<m；First direction is intersected with second direction.Alternatively, first direction is mutually hung down with second directionDirectly.
From unlike embodiment illustrated in fig. 1, in the present embodiment, first switch includes the first transistor 211, same firstThe grid of each the first transistor 211 of switches set 11 and corresponding one the first control signal wire CK11, CK12 ..., CK1 (a-1) or CK1a electrical connections, the first pole of the first transistor 211 electrically connected with corresponding touching signals line TX_pulse, first crystalSecond pole of pipe 211 is electrically connected with corresponding touch control electrode.In the present embodiment, second switch includes transistor seconds 221, sameThe grid of each transistor seconds 221 of second switch group 22 and corresponding one the second control signal wire CK21, CK22 ..., CK2(b-1) or CK2b electrical connections, the first pole of transistor seconds 221 electrically connected with common signal line Vcom, transistor seconds 221Second pole is electrically connected with corresponding touch control electrode.3rd switch includes third transistor 231, the grid of third transistor 231 andCorresponding 3rd control signal wire CK31 ... or CK3c electrical connections, the first pole of third transistor 231 and common signal lineVcom is electrically connected, and the second pole of third transistor 231 is electrically connected with corresponding touch control electrode.
By the use of transistor as switch in the present embodiment, transistor can be according to its grid potential switched conductive or shut-off shapeState, and transistor has the advantages that fast response time, and when on off state is switched, response speed is very fast, can lift touch-control inspectionSurvey precision.
Alternatively, in the embodiment shown in fig. 1, m=3, then by 2≤n<M understands n=2.At this moment each first switch group includes3 first switches, each second switch group include 2 second switches.Fig. 3 is refer to, be it illustrates according to the embodiment of the present applicationThe structural representation of another embodiment of touch-control display panel, namely above-mentioned m=3 is shown, display floater during n=2Structural representation, here with first switch as the first transistor, second switch as transistor seconds, the 3rd switch be the 3rd crystalPipe is illustrated.
As shown in figure 3, in touch-control display panel 300, each first switch group 31 includes three first switches 310, eachSecond switch group 32 includes two second switches 321, and each the 3rd switches set 33 includes one the 3rd switch 330.Assume that N is strangeNumber, three first switches in first first switch group 31 respectively with the 1st to the 3rd touch control electrode TX1, TX2, TX3, one by oneCorresponding electrically connect, three first switches 310 in second switches set 31 respectively with the 3rd to the 5th touch control electrode TX3, TX4,TX5 corresponds electrical connection, and three first switches 310 in a-th first switch group 31 are respectively with N-2 to n-th touch-controlElectrode TX (N-2), TX (N-1), TXN correspond electrical connection.Two second switches and first in first second switch group 320Individual touch control electrode TX1 and second touch control electrode TX2 correspond electrical connection, two second in second second switch group 32Switch 321 is corresponded and is electrically connected with the 3rd touch control electrode TX3 and the 4th touch control electrode TX4 respectively, and b-1 second is openedTwo second switches 321 in pass group 32 respectively with the N-2 touch control electrode TX (N-2) and the N-1 touch control electrode TX (N-1)Electrical connection is corresponded, a second switch in b-th second switch group 32 is electrically connected with n-th touch control electrode TXN.FirstIndividual 3rd switches set 33 is electrically connected with the 4th touch control electrode TX4, and c-th the 3rd switches set 33 and the N-1 touch control electrode are touchedControl electrode TX (N-1) electrical connection.
When driving touch-control display panel to carry out touch control detection, each the first transistor group can be sequentially turned on, while will removeOther touch control electrodes outside the touch control electrode being connected with the first transistor group of conducting are connected to common signal line.For exampleWhen one switches set is turned on, the 3rd to b-th second switch group can be turned on, and first the 3rd switches set is turned on,Other first switch groups, other second switch groups and other the 3rd switches set are turned off.Then the 3rd touch control electrode TX3, the 5thIndividual touch control electrode TX5 ...., the N-2 touch control electrode be scanned in a touch control detection twice, that is to say, that N number ofIn touch control electrode, the touch control electrode of nearly half performs touch-control scanning twice in a touch control detection, compared to m>3 each touchControl display floater, the touch control electrode quantity of 300 multiple scanning of touch-control display panel at most, can further lift touch control detection essenceDegree.
With continued reference to Fig. 4, the stereochemical structure that it illustrates one embodiment of the touch-control display panel according to the application is shownIt is intended to.
As shown in figure 4, it can be display panels that the embodiment of the present application provides touch-control display panel 400, including arraySubstrate 401 and the color membrane substrates 402 being arranged oppositely with array base palte.Above-mentioned arrangement in the first direction, the N for extending in a second directionIndividual touch control electrode can be the first touch control electrode 410, can be arranged on array base palte 401.Color membrane substrates 402 are provided with secondTouch control electrode 420, the bearing of trend of second touch control electrode 420 are intersected with the bearing of trend of the first touch control electrode 410.Alternatively,Second touch control electrode 420 is arranged in a second direction, is extended in a first direction.Alternatively, above-mentioned first direction can be with second partyTo being mutually perpendicular to.
Array base palte 401 can include above-mentioned common signal line (Fig. 4 is not shown), above-mentioned at least one touching signals line411 and above-mentioned touch drive circuit 412.Touch drive circuit 412 can pass through touching signals line 411 and integrated drive electronics413 electrical connections.
In the present embodiment, touch-control display panel 400 can also include flexible PCB 421.Can be with color membrane substrates 402Touch-control sensing holding wire 422 is provided with, second touch control electrode 420 is electrically connected to flexible PCB by touch-control sensing holding wire 422421, flexible PCB 421 is electrically connected with integrated drive electronics 413.
Alternatively, above-mentioned touch-control display panel 400 also includes a plurality of gate line for extending in a first direction and along second partyTo a plurality of data lines for extending, and the sub-pixel being arranged in array.Gate line and data wire mutually insulated, every gate line withA line sub-pixel connects, and is connected with string sub-pixel per data line, gate line for control corresponding a line sub-pixel according toThe signal of data line transfer is shown.
Present invention also provides being applied to the driving method of above-mentioned touch-control display panel, the driving method is driven for timesharing,Including touch-control stage and display stage, the wherein touch-control stage includes multiple sweep phases.
Above-mentioned driving method includes：In each sweep phase, to the first control signal of a first switch group electrical connectionLine provides open signal, and the first control signal wire to remaining first switch group electrical connection provides cut-off signals；To with openSecond control signal wire of the second switch group electrical connection of the touch control electrode electrical connection of first switch electrical connection provides cut-off signals,The second control signal wire to the second switch group electrical connection of the touch control electrode insulation electrically connected with the first switch that opensOpen signal is provided；Touching signals line to the first switch group electrical connection that opens provides touching signals；To described for openingThe common signal line of two switches set electrical connection provides public voltage signal.Further, in each sweep phase, to shut-offSecond switch group and the 3rd control corresponding with the 3rd switch of the touch control electrode electrical connection of the first switch group electrical connection of shut-offLine provides open signal；Common signal line to the 3rd switch electrical connection that opens provides public voltage signal.
In other words, in each sweep phase, wherein one the first control signal wire is carried to a corresponding first switch groupFor open signal, the touching signals line of the first switch group electrical connection provides touching signals, and the touching signals can be periodicallyPulse signal, each touch control electrode electrically connected with the first switch group receives the touching signals；To the first switch with unlatchingSecond control signal wire of the second switch group connection of the touch control electrode electrical connection of group electrical connection provides cut-off signals, then with unlatchingFirst switch group electrical connection touch control electrode cannot receive common signal line transmission public voltage signal；To with for openingThe second switch group of the touch control electrode insulation of one switch electrical connection provides open signal, then electrically connect with the first switch that opensThe touch control electrode that touch control electrode is insulated and electrically connected with second switch receives the public voltage signal of common signal line transmission；ToWith the second switch group of shut-off and corresponding with the 3rd switch of the touch control electrode electrical connection of the first switch group electrical connection of shut-off3rd control line provides open signal, then insulate and be connected to same the with the touch control electrode that electrically connect of first switch that opensThe touch control electrode of two switches set receives the public voltage signal of common signal line transmission.In a word, in each sweep phase, with unlatchingThe touch control electrode of first switch group electrical connection receive touching signals, with the touch control electrode phase that electrically connects of first switch group that opensThe touch control electrode of insulation receives public voltage signal.
Further, above-mentioned driving method also includes：Showing the stage, providing to each second control signal wire and open letterNumber, public voltage signal is provided to common signal line.At this moment, each touch control electrode is multiplexed with public electrode, receives common electric voltage letterNumber.
The operation principle that touch-control display panel is driven is further described using above-mentioned driving method below in conjunction with Fig. 5.Please joinFig. 5 is examined, a work schedule schematic diagram of touch-control display panel shown in above-mentioned Fig. 1 or Fig. 2 is it illustrates.As shown in figure 5,One sweep phase T1, the first control signal wire CK11 to first first switch group electrical connection provide the first level signal,First switch in first first switch group is opened, corresponding the first to m-th touch control electrode TX1, TX2, TX3 ..., TXmReceive touching signals；Second be connected to the second switch group with the touch control electrode electrical connection of the first switch group electrical connection that opensControl signal wire CK21, CK22 ... provide second electrical level signal, to insulating with the touch control electrode that electrically connect of first switch that opensThe second control signal wire CK2 (b-1), the CK2b etc. of second switch group electrical connection open signal is provided, open with first for openingThe second switch group of the touch control electrode insulation of powered-down connection is opened so that touched except the first to m-th touch control electrode and with m-thControl electrode connects other touch control electrodes reception public voltage signals outside the touch control electrode of same second switch group；To with shut-offSecond switch group and the 3rd switch corresponding described the with the touch control electrode electrical connection of the first switch group electrical connection of shut-offThree control line CK31 provide open signal, so as to be connected same second switch group with m-th touch control electrode and be not connected to same theTouch control electrode TX (m+1) of one switches set etc. receives public voltage signal.Then in first sweep phase T1, with first firstEach touch control electrode of switches set electrical connection is electrically connected to each other and receives touching signals, and electrically connected with first first switch group is touchedOther touch control electrodes of control electrode insulation receive public voltage signal.
In second sweep phase T2, the is provided to the first control signal wire CK11 of second first switch group electrical connectionOne level signal, the first switch in second first switch group are opened, corresponding m to the 2m-1 touch control electrode TXm, TX(m+1) ..., TX (2m-1) receives touching signals；To the electrically connected with the touch control electrode that electrically connect of first switch group that opensSecond control signal wire CK22 of two switches set connection etc. provides second electrical level signal, to electrically connected with the first switch that opensSecond control signal wire CK21 of the second switch group electrical connection of touch control electrode insulation, CK23 ..., CK2 (b-1), CK2b etc. carryFor open signal, the second switch group unlatching of touch control electrode insulation electrically connect with the first switch that opens so that except m to the2m-1 touch control electrode and it is connected the touch-control of same second switch group with any one in m to the 2m-1 touch control electrodeOther touch control electrodes outside electrode receive public voltage signal；To with shut-off second switch group and with shut-off first switchCorresponding 3rd control line of 3rd switch of the touch control electrode electrical connection of group electrical connection provides open signal so that with mAny one into the 2m-1 touch control electrode connects same second switch group and is not connected to the touch-control of same first switch groupElectrode receives public voltage signal.Then in second sweep phase T2, each touch-control electrically connected with second first switch group is electricPole is electrically connected to each other and receives touching signals, other touch-control electricity for the touch control electrode insulation electrically connected with second first switch groupPole receives public voltage signal.
The like, individual sweep phase T (a-1) at (a-1), electrically connected with (a-1) individual first switch group is each tactileControl electrode is electrically connected to each other and receives touching signals, the touch control electrode that electrically connect with (a-1) individual first switch group insulate itsHe receives public voltage signal at touch control electrode.In a-th sweep phase Ta, each touch-control for electrically connecting with a-th first switch groupElectrode is electrically connected to each other and receives touching signals, other touch-controls for the touch control electrode insulation electrically connected with a-th first switch groupElectrode receives public voltage signal.
Further, show stage D, to each second control signal wire CK21, CK22 ..., CK2 (b-1), CK2b provideFirst level signal, each second switch are opened, and public voltage signal is transmitted to the first to n-th touch control electrode.At this moment, can be withEach 3rd control signal wire electrically connected to each first control signal wire electrically connected with each first switch and with each 3rd switchSecond electrical level signal is provided, to turn off first switch and the 3rd switch.
Using above-mentioned driving method, it is possible to achieve the touch-control scanning of touch-control display panel, and in two neighboring sweep phase,One touch control electrode of multiple scanning, if touch point is located at the touch control electrode position that is repetitively scanned, compared to not repeatingThe touch-control display panel of scanning, the semaphore of the induced signal produced by touch-control increased one times, therefore can be lifted and be repeatedThe touch-control sensitivity of the touch control electrode position of scanning.
Below with N=12, m=4, as a example by n=2, in conjunction with the touch-control that Fig. 6 and Fig. 7 describe in further detail the application offerThe concrete reception of display floater and its operation principle.
Fig. 6 shows the structural representation of a specific example of touch-control display panel.Wherein touch-control display panel 600 is wrappedInclude arrangement in the first direction, the first touch control electrode TX1 for extending in a second direction, second touch control electrode TX2, the 3rd touch control electrodeTX3, the 4th touch control electrode TX4, the 5th touch control electrode TX5, the 6th touch control electrode TX6, the 7th touch control electrode TX7, the 8th touch-controlElectrode TX8, the 9th touch control electrode TX9, the tenth touch control electrode TX10, the 11st touch control electrode TX11 and the 12nd touch control electrodeTX12, common signal line Vcom, four touching signals line TX_pulse1, TX_pulse2, TX_pulse3, TX_pulse4 andTouch drive circuit 60.Touch drive circuit 60 includes four first control signal wires CK11, CK12, CK13, CK14, six articleTwo control signal wire CK21, CK22, CK23, CK24, CK25, CK26, three article of the 3rd control signal wire CK31, CK32, CK33, four61, six second switch groups 62 of individual first switch group and three the 3rd switches set 63.
Each first switch group 11 includes m=4 the first transistor, each the first transistor in first first switch group 61Grid electrically connect with first the first control signal wire CK11 and with the insulation of other first control signal wires, second first is openedIn pass group 61, the grid of each the first transistor is electrically connected with Article 2 the first control signal wire CK12 and is believed with other first controlsThe insulation of number line, in the 3rd first switch group 61, the grid of each the first transistor is electrically connected with Article 3 the first control signal wire CK13Connect and with the insulation of other first control signal wires, the grid of each the first transistor and first article the in the 4th first switch group 61Four control signal wire CK14 are electrically connected and are insulated with other first control signal wires.
In first first switch group 61, the first pole of each the first transistor is electrically connected with touching signals line TX_pulse 1,In second first switch group 61, the first pole of each the first transistor is electrically connected with touching signals line TX_pulse 2, the 3rdIn one switches set 61, the first pole of each the first transistor is electrically connected with touching signals line TX_pulse 3, the 4th first switch groupIn 61, the first pole of each the first transistor is electrically connected with touching signals line TX_pulse 4.
+ 1 touch control electrode of each the first transistor and (i-1) × (m-1) in i-th first switch group 61 is to (i-1) × (m-1)+m touch control electrode corresponds electrical connection, and wherein i is positive integer and i≤(N-1)/(m-1), namely i≤3.ToolFor body, the second pole of four the first transistors in first first switch group 61 is corresponded with TX1, TX2, TX3, TX4Electrical connection, the second pole of four the first transistors in second first switch group 61 are corresponded with TX4, TX5, TX6, TX7Electrical connection, the second pole of four the first transistors in the 3rd first switch group 61 are corresponded with TX7, TX8, TX9, TX10Electrical connection.
In the present embodiment, second of three the first transistors in the 4th first switch group 61 extremely can with TX10,TX11, TX12 correspond electrical connection.The 4th the first transistor in the not shown 4th first switch group 61 of Fig. 6, at thisIn, the 4th the first transistor in the 4th first switch group 61 can not with touch control electrode, the first control signal wire andTouching signals line connects.
Each second switch group 62 includes n=2 transistor seconds, the grid of the transistor seconds in each second switch group 61Pole is electrically connected with one two control signal wire CK21, CK22, CK23, CK24, CK25, CK26 respectively and is controlled with other described secondHolding wire insulation processed, the first pole of each transistor seconds is electrically connected with common signal line Vcom.
Second switch and (j-1) × n+1 touch control electrode in j-th second switch group 62 is to (j × n) individual touch-controlElectrode corresponds electrical connection, and wherein j is positive integer and j≤N/n, i.e. j≤6.Specifically, in first second switch group 62Second pole of two transistor secondses is electrically connected with TX1, TX2 respectively, two the second crystal in second second switch group 62Second pole of pipe is electrically connected with TX3, TX4 respectively, second pole point of two transistor secondses in the 3rd second switch group 62Do not electrically connect with TX5, TX6, the second pole of two transistor secondses in the 4th second switch group 62 is electric with TX7, TX8 respectivelyConnection, the second pole of two transistor secondses in the 5th second switch group 62 are electrically connected with TX9, TX10 respectively, the 6thSecond pole of two transistor secondses in second switch group 62 is electrically connected with TX11, TX12 respectively.
Each the 3rd switches set 63 includes a third transistor, the grid of each third transistor respectively with one article the 3rdControl signal wire is electrically connected, and the first pole of each third transistor is electrically connected with common signal line Vcom.
Here, (k-1) × (m-1)+m touch control electrode, m=4, k≤N/n is electrically connected with each first switch groupLast touch control electrode, including the 4th touch control electrode TX4, the 7th touch control electrode TX7, the tenth touch control electrodeTX10.
In the present embodiment, it is connected the 3rd touch control electrode TX3 of same second switch group with the 4th touch control electrode TX4Grid electrically connect with one article of the 3rd control signal wire CK31, be connected same second switch group with the 7th touch control electrode TX7The grid of the 8th touch control electrode TX8 is electrically connected with one article of the 3rd control signal wire CK32, is connected with the tenth touch control electrode TX10The grid for connecing the 9th touch control electrode TX9 of same second switch group is electrically connected with one article of the 3rd control signal wire TX33.
Fig. 7 is refer to, touch-control display panel shown in Fig. 6 is it illustrates under the driving of the driving method that the application is providedWork schedule schematic diagram.The driving method includes that touch-control stage and display stage, wherein touch-control stage include multiple sweep phasesT1、T2、T3、T4.Here with open signal as the first level signal (or high level signal), cut-off signals are believed for second electrical levelIllustrate as a example by number (or low level signal).
In first sweep phase T1, the first level signal is provided to the first control signal wire CK11, to remaining the second controlHolding wire CK12, CK13, CK14 processed provide second electrical level signal；To open the first transistor electrical connection touch control electrode TX1,Second control signal wire CK21, CK22 of the second switch group electrical connection electrically connected by TX2, TX3, TX4 provides second electrical level letterNumber, second control signal wire CK23, CK24, CK25, CK26 to other second switch group electrical connections provides the first level signal；Touching signals line TX_pulse1 to the first switch group electrical connection that opens provides touching signals, carries to common signal line VcomFor public voltage signal, then touch control electrode TX1, TX2, TX3, TX4 receive the touch-control letter that touching signals line TX_pulse1 is transmittedNumber, other touch control electrodes TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12 receive public voltage signal, complete to firstScanning to the 4th touch control electrode.
In second sweep phase T2, the first level signal is provided to the first control signal wire CK12, to remaining the second controlHolding wire CK11, CK13, CK14 processed provide second electrical level signal；To open the first transistor electrical connection touch control electrode TX4,Second control signal wire CK22, CK23, CK24 of the second switch group electrical connection electrically connected by TX5, TX6, TX7 provides the second electricityOrdinary mail number, second control signal wire CK21, CK25, CK26 to other second switch group electrical connections provide the first level signal；Touching signals line TX_pulse2 to the first switch group electrical connection that opens provides touching signals, carries to common signal line VcomFor public voltage signal；To with shut-off second switch group and with shut-off first switch group electrically connect touch control electrode TX3,3rd switch, first level signal of corresponding 3rd control line CK31, CK32 offer of TX8 electrical connections；Then touch control electrode TX4,TX5, TX6, TX7 receive the touching signals of touching signals line TX_pulse2 transmission, other touch control electrodes TX1, TX2, TX3, TX8,TX9, TX10, TX11, TX12 receive public voltage signal, complete the scanning to the 4th to the 7th touch control electrode.
In the 3rd sweep phase T3, the first level signal is provided to the first control signal wire CK13, to remaining the second controlHolding wire CK11, CK12, CK14 processed provide second electrical level signal；To open the first transistor electrical connection touch control electrode TX7,Second control signal wire CK24, CK25 of the second switch group electrical connection electrically connected by TX8, TX9, TX10 provides second electrical level letterNumber, second control signal wire CK21, CK22, CK23, CK26 to other second switch group electrical connections provides the first level signal；Touching signals line TX_pulse3 to the first switch group electrical connection that opens provides touching signals, carries to common signal line VcomFor public voltage signal；Then touch control electrode TX7, TX8, TX9, TX10 receive the touch-control letter that touching signals line TX_pulse2 is transmittedNumber, other touch control electrodes TX1, TX2, TX3, TX4, TX5, TX6, TX11, TX12 receive public voltage signal, complete to the 7th toThe scanning of the tenth touch control electrode.
In the 4th sweep phase T4, the first level signal is provided to the first control signal wire CK14, to remaining the second controlHolding wire CK11, CK12, CK13 processed provide second electrical level signal；Touch control electrode to the first transistor electrical connection that opensSecond control signal wire CK25, CK26 of the second switch group electrical connection electrically connected by TX10, TX11, TX12 provides second electrical levelSignal, provides the first level letter to second control signal wire CK21, CK22, CK23, CK24 of other second switch group electrical connectionsNumber；Touching signals line TX_pulse3 to the first switch group electrical connection that opens provides touching signals, to common signal line VcomPublic voltage signal is provided；Touch control electrode TX9 electrically connected to the second switch group with shut-off and with the first switch group of shut-off3rd switch, first level signal of corresponding 3rd control line CK33 offers of electrical connection；Then touch control electrode TX10, TX11, TX12Receive the touching signals of touching signals line TX_pulse2 transmission, other touch control electrodes TX1, TX2, TX3, TX4, TX5, TX6,TX7, TX8, TX9, reception public voltage signal, complete the scanning to the tenth to the 12nd touch control electrode.
Showing stage D, the first electricity is being provided to each second control signal wire CK21, CK22, CK23, CK24, CK25, CK26Ordinary mail number, provides second electrical level signal to each first control signal wire CK11, CK12, CK13, CK14, provides to common signal linePublic voltage signal, the first to the 12nd touch control electrode receive public voltage signal.
Can be seen that by Fig. 6 and Fig. 7 in the touch-control display panel and driving method of the above embodiments of the present application offer, manyIndividual touch control electrode (TX4, TX7, TX10) is repetitively scanned in two neighboring sweep phase, then these touch control electrode correspondence positionsTouch-control sensing semaphore can be obviously improved, and therefore can lift touch control detection precision.Meanwhile, this touch display panel structure andThe touch-control sensing signal of touch control electrode edge can be enlarged into and simultaneously receive the multiple tactile of touching signals by type of driveThe touch-control sensing signal of control electrode, improves the touch-control sensitivity at touch control electrode marginal position, can apply to high-resolutionTouch-control display panel.
The embodiment of the present application additionally provides a kind of touch control display apparatus, as shown in figure 8, the touch control display apparatus can be liquidCrystal device, such as mobile phone, panel computer etc., including the touch-control display panel of the various embodiments described above.
It is appreciated that touch control display apparatus can also include backlight, light guide plate, positioned at array base palte and color membrane substrates itBetween liquid crystal layer, polaroid, the known structure such as protective glass, here is omitted.
Above description is only the preferred embodiment and the explanation to institute's application technology principle of the application.People in the artMember should be appreciated that involved invention scope in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristicScheme, while should also cover in the case of without departing from the inventive concept, is carried out by above-mentioned technical characteristic or its equivalent featureCombination in any and other technical schemes for being formed.Such as features described above has similar work(with (but not limited to) disclosed hereinThe technical scheme that the technical characteristic of energy is replaced mutually and formed.