CN106775161A - Touch-control display panel, driving method and touch control display apparatus - Google Patents
Touch-control display panel, driving method and touch control display apparatus Download PDFInfo
- Publication number
- CN106775161A CN106775161A CN201611235719.9A CN201611235719A CN106775161A CN 106775161 A CN106775161 A CN 106775161A CN 201611235719 A CN201611235719 A CN 201611235719A CN 106775161 A CN106775161 A CN 106775161A
- Authority
- CN
- China
- Prior art keywords
- touch
- control
- driving electrodes
- control driving
- display panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Abstract
This application discloses a kind of touch-control display panel, driving method and touch control display apparatus.Touch-control display panel includes driving scanning circuit and 2n touch-control driving electrodes group, the n first switch unit and n second switch unit for driving scanning circuit to include 2n bars drive signal line, set at each interval, each touch-control driving electrodes group include the first touch-control driving electrodes and the second touch-control driving electrodes；The first touch-control driving electrodes in i-th touch-control driving electrodes group are connected with i-th drive signal line, and the second touch-control driving electrodes in i-th touch-control driving electrodes group are connected by switch element with i-th drive signal line；I, n are natural number, i≤2n.According to the scheme of the application, the second touch-control driving electrodes are scanned twice during the son scanning of adjacent touch-control twice, the borderline region between two adjacent touch-control driving electrodes is turned into the central area of touch-control driving electrodes group, improve the precision of touch control detection.
Description
Technical field
It is aobvious present application relates generally to display technology field, more particularly to a kind of touch-control display panel, driving method and touch-control
Showing device.
Background technology
Touch control display apparatus can detect finger in the display screen plane of touch control display apparatus by touch control electrode
Coordinate position, and shown accordingly according to the coordinate position.
In current touch control display apparatus, touch controllable function is mainly by two-layer touch control electrode layer (for example, touch-control driving electrodes
Layer and touch-control sensing electrode layer) realize, wherein every layer of touch control electrode layer has a plurality of touch control electrode be arrangeding in parallel, two-layer touch-control electricity
The bearing of trend of pole intersects.Each bar touch control electrode (touch-control driving electrodes) on a touch control electrode layer applies touch-control excitation thereto
Signal, when finger contacts the screen of touch control display apparatus, finger forms coupled capacitor with some touch control electrodes on screen, and
Leakage current is flowed out from coupled capacitor.Touch control sensing circuit determines to be formed with finger in two-layer touch control electrode by detecting leakage current
Two orthogonal touch control electrodes of coupled capacitor and determine position of touch.
Fig. 1 shows the schematic diagram of the driving scanning circuit of the touch control display apparatus of prior art, as shown in figure 1, touch-control
Holding wire TX1~TXnWith touch-control driving electrodes TE1~TEnConnection, drives scanning circuit successively to touching signals line TX1~TXnApply
Plus touch-control pumping signal, to touch-control driving electrodes TE1~TEnCarry out touch-control scanning.
However, when finger contact screen position be located at two touch-control driving electrodes between borderline region when, from this two
The intensity of the signal detected in any one in individual touch-control driving electrodes can die down (for example, about touching touch-control driving electrodes
/ 3rd or lower of the signal intensity of central area), causing the precision of touch control detection reduces.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, expect to provide a kind of touch-control display panel and touch-control display dress
Put, to solve technical problem present in prior art.
According to the one side of the application, there is provided a kind of touch-control display panel, including drive scanning circuit and 2n individual tactile
Control driving electrodes group；Driving scanning circuit includes 2n bars drive signal line, n first switch unit and n second switch unit,
First switch unit and second switch unit are set at each interval；Each switch element includes at least one switch, same
Switch in switch element is simultaneously turned on or disconnected；Each touch-control driving electrodes group includes at least one first touch-control driving electrodes
With at least one second touch-control driving electrodes, the first touch-control driving electrodes are contained only in a touch-control driving electrodes group, and second
Touch-control driving electrodes are included in two adjacent touch-control driving electrodes groups simultaneously；In i-th touch-control driving electrodes group first
Touch-control driving electrodes are connected with i-th drive signal line；The second touch-control driving electrodes in i-th touch-control driving electrodes group pass through
Switch in i-th switch element is connected with i-th drive signal line；Wherein, i, n are natural number, i≤2n.
In certain embodiments, first switch unit and second switch unit are arranged on the same of touch-control driving electrodes group
Side.
In certain embodiments, first switch unit and second switch unit are arranged on relative the two of touch-control driving electrodes group
Side.
In certain embodiments, touch-control display panel also includes a touch-control driving electrodes group, drives scanning circuit also to wrap
A drive signal line and a first switch unit are included, the first switch unit is adjacent with n-th second switch unit.
In certain embodiments, switch is thin film transistor (TFT).
In certain embodiments, in the channel type of the thin film transistor (TFT) in first switch unit and second switch unit
The channel type of thin film transistor (TFT) is identical.
In certain embodiments, in the channel type of the thin film transistor (TFT) in first switch unit and second switch unit
The channel type of thin film transistor (TFT) is different.
In certain embodiments, touch-control display panel includes the array base palte being oppositely arranged and color membrane substrates and between two
Liquid crystal layer between substrate；Wherein, array base palte includes public electrode, and public electrode is multiplexed with touch-control driving electrodes.
In certain embodiments, touch-control driving electrodes are strip.
In certain embodiments, touch-control display panel also includes a plurality of data lines and a plurality of is swept with what data wire insulation was intersected
Retouch line；The bearing of trend of touch-control driving electrodes is identical with the bearing of trend of data wire.
Another aspect according to the application additionally provides a kind of method for driving touch-control display panel, including：Swept in touch-control
During retouching, each drive signal line provides drive signal successively, and each first switch unit and each second switch units alternately are gated, will
The touch-control driving electrodes in signal transmission to touch-control driving electrodes group on drive signal line；In every height scanning of touch-control scanning
In, only one drive signal line provides drive signal, the switching means conductive being connected with the drive signal line.
Another aspect according to the application additionally provides a kind of touch control display apparatus, including touch-control display panel as above.
Touch-control display panel, driving method and touch control display apparatus that the application is provided, by touch-control driving electrodes group
Rolling scanning is carried out, and at least one second touch-control driving electrodes are scanned twice in the adjacent son scanning of touch-control twice,
The borderline region between two touch-control driving electrodes is turned into the central area of touch-control driving electrodes group, enhance touch-control sensing electricity
The intensity of the signal that road detects, so as to improve the precision of touch control detection.
Brief description of the drawings
By the detailed description made to non-limiting example made with reference to the following drawings of reading, the application other
Feature, objects and advantages will become more apparent upon：
Fig. 1 shows the schematic diagram of the touch-control display panel of prior art；
Fig. 2 shows the schematic diagram of one embodiment of the touch-control display panel of the application；
Fig. 3 shows a schematic diagram for implementation of the touch-control display panel shown in Fig. 2；
Fig. 4 shows the timing diagram of the touch-control display panel for driving as shown in Figure 3；
Fig. 5 shows another timing diagram of the touch-control display panel for driving as shown in Figure 3；
Fig. 6 shows the schematic diagram of another embodiment of the touch-control display panel of the application；
Fig. 7 shows the schematic diagram of the another embodiment of the touch-control display panel of the application；
Fig. 8 shows the timing diagram of the touch-control display panel for driving as shown in Figure 7；
Fig. 9 shows the schematic diagram of one embodiment of the touch-control display panel of the application；
Figure 10 shows the schematic diagram of one embodiment of the touch-control display panel of the application；
Figure 11 shows the indicative flowchart of the driving method of the touch-control display panel of the application；
Figure 12 shows the schematic diagram of one embodiment of the touch control display apparatus of the application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that, in order to
It is easy to description, the part related to invention is illustrate only in accompanying drawing.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 2 shows the schematic diagram of one embodiment of the touch-control display panel of the application.
As shown in Fig. 2 touch-control display panel may include to drive scanning circuit 21 and 2n touch-control driving electrodes group TE1~
TE2n, n is natural number.
Driving scanning circuit 21 may include 2n bar drive signal lines TX1~TX2n, n first switch cell S W11~SW1nWith
N second switch cell S W21~SW2n, first switch cell S W11~SW1nWith second switch cell S W21~SW2nCan be to each other
Set every ground, each switch element may include at least one switch, and the switch in same switch element can be simultaneously turned on or broken
Open.
Each touch-control driving electrodes group may include that at least one first touch-control driving electrodes and at least one second touch-controls drive
Moving electrode, the first touch-control driving electrodes are contained only in a touch-control driving electrodes group, and the second touch-control driving electrodes are included simultaneously
In two adjacent touch-control driving electrodes groups, in other words, the second touch-control driving electrodes can be driven by least two touch-controls
Electrode group is shared.For example, touch-control driving electrodes group TE1Including two the first touch-control driving electrodes TE1,1With second touch-control
Driving electrodes TE2,1, touch-control driving electrodes group TE2Including a first touch-control driving electrodes TE1,2Driven with two the second touch-controls
Electrode TE2,1And TE2,2, wherein, the second touch-control driving electrodes TE2,1It is included in touch-control driving electrodes group TE simultaneously1And TE2In, the
Two touch-control driving electrodes TE2,2It is included in touch-control driving electrodes group TE simultaneously2And TE3In.Similarly, touch-control driving electrodes group
TE2n-1Including a first touch-control driving electrodes TE1,(2n-1)With two the second touch-control driving electrodes TE2,(2n-2)And TE2,(2n-1),
Touch-control driving electrodes group TE2nIncluding two the first touch-control driving electrodes TE1,2nWith a second touch-control driving electrodes TE2,(2n-1),
Wherein, the second touch-control driving electrodes TE2,(2n-2)It is included in touch-control driving electrodes group TE simultaneously2n-2And TE2n-1In, the second touch-control drives
Moving electrode TE2,(2n-1)It is included in touch-control driving electrodes group TE simultaneously2n-1And TE2nIn.
I-th touch-control driving electrodes group TEiIn the first touch-control driving electrodes TE1,iWith i-th drive signal line TXiEven
Connect；I-th touch-control driving electrodes group TEiIn the second touch-control driving electrodes TE2,(i-1)And/or TE2,iBy i-th switch element
In switch and i-th drive signal line TXiConnection, i is natural number and i≤2n.
For example, in touch-control driving electrodes group TE1In, the first touch-control driving electrodes TE1,1With drive signal line TX1Connection, the
Two touch-control driving electrodes TE2,1By first switch cell S W11In switch and drive signal line TX1Connection；Electricity is driven in touch-control
Pole group TE2In, the first touch-control driving electrodes TE1,2With drive signal line TX2Connection, the second touch-control driving electrodes TE2,1And TE2,2It is logical
Cross second switch cell S W12In switch and drive signal line TX2Connection.From above-mentioned connection, the second touch-control driving electrodes
TE2,1By first switch cell S W11In switch and drive signal line TX1Connect and by second switch cell S W12In
Switch and drive signal line TX2Connection, this prevents drive signal line TX1On signal be transferred to touch-control driving electrodes
Group TE2In other touch-control driving electrodes on, or drive signal line TX2On signal be transferred to touch-control driving electrodes group TE1In
Other touch-control driving electrodes on, so as to ensure that touch-control scanning accuracy.
In the present embodiment, scanning circuit 21 is driven once to scan a touch-control driving electrodes group (that is, at least one first
Touch-control driving electrodes and at least one second touch control electrode), which enhance the speed of touch-control scanning.
Additionally, in touch-control driving electrodes group, the borderline region between two adjacent touch-control driving electrodes is equivalent to tactile
Control the central area of driving electrodes group.Therefore, no matter finger touch position be touch-control driving electrodes borderline region or in
Heart district domain, the touch location can be corresponding with the central area of a touch-control driving electrodes group, so as to enhance touch-control sensing electricity
The intensity of the signal that road detects, improves the precision of touch control detection.
While figure 2 show that including three touch-control driving electrodes, two adjacent touch-controls in each touch-control driving electrodes group
There are a common touch-control driving electrodes (i.e. one the second touch-control driving electrodes) between driving electrodes group, but this is only to show
Meaning property.It is understood that more than two any number of touch-control driving electrodes, phase can be included in touch-control driving electrodes group
Can have more than one common touch-control driving electrodes, those skilled in the art between two adjacent touch-control driving electrodes groups
Can be set according to the need for practical application scene.
With continued reference to Fig. 3, a schematic diagram for implementation of the touch-control display panel shown in Fig. 2 is shown.
Similar with the touch-control display panel shown in Fig. 2, the touch-control display panel shown in Fig. 3 equally may include to drive scanning electricity
Road 31 and touch-control driving electrodes group TE1~TE2n, drive scanning circuit 31 equally to may include drive signal line TX1~TX2n, first
Switch element SW11~SW1nWith second switch cell S W21~SW2n, each touch-control driving electrodes group equally may include at least one
First touch-control driving electrodes and at least one second touch-control driving electrodes.
From unlike the touch-control display panel shown in Fig. 2, the touch-control display panel shown in Fig. 3 is further to switch element
Structure carried out specific description.
As shown in figure 3, the switch in switch element is thin film transistor (TFT) (Thin Film Transistor, TFT), drive
Scanning circuit 31 also includes first switch control line CK11~CK1nWith second switch control line CK21~CK2n.First switch unit
(for example, SW11) in transistor switch grid and first switch control line (for example, CK11) connection, second switch unit (example
Such as, SW21) in transistor switch grid and second switch control line (for example, CK21) connection.
Alternatively, first switch cell S W11~SW1nWith second switch cell S W21~SW2nMay be provided at touch-control and drive electricity
Pole group TE1~TE2nThe same side.For example, can be by first switch cell S W11~SW1nWith second switch cell S W21~SW2nSet
In the lower frame of touch-control display panel, so, scanning circuit 31 is driven also to may be disposed at touch-control driving electrodes group TE1~TE2n
The same side (i.e. the lower frame of touch-control display panel) so that drive scanning circuit 31 layout it is more compact.
Alternatively, first switch cell S W11~SW1nIn thin film transistor (TFT) channel type and second switch cell S W21
~SW2nIn thin film transistor (TFT) channel type it is identical.Using the thin film transistor (TFT) of identical channel type, touch-control can be simplified and shown
Show the manufacture craft of panel, improve the making yield of touch-control display panel.
Although Fig. 3 shows that the transistor switch in switch element is NMOS (Negative channel Metal
Oxide Semiconductor, N-channel metal-oxide semiconductor (MOS)) transistor, but this is only schematical.It is appreciated that
, the transistor switch in switch element can be PMOS (Positive channel Metal Oxide
Semiconductor, P-channel metal-oxide-semiconductor) transistor.Those skilled in the art can be according to practical application scene
Demand set.
Below by with the transistor switch in switch element as nmos pass transistor as a example by, sequential with reference to shown in Fig. 4 is retouched
State the operation principle of the touch-control display panel shown in Fig. 3.
The P during touch-control scanning1, first switch control line CK11High level signal, first switch cell S W are provided11In
Transistor switch conducting, touching signals line TX1On signal be transferred to touch-control driving electrodes group TE1In the first touch-control drive
Moving electrode TE1,1With the second touch-control driving electrodes TE2,1, complete to touch-control driving electrodes group TE1Scanning；In touch-control sweep time
Between P2, second switch control line CK21High level signal, second switch cell S W are provided21In transistor switch conducting, touch-control letter
Number line TX2On signal be transferred to touch-control driving electrodes group TE2In the first touch-control driving electrodes TE1,2Driven with the second touch-control
Electrode TE2,1And TE2,2, complete to touch-control driving electrodes group TE2Scanning；In P1And P2Period, the second touch-control driving electrodes TE2,1
It is scanned twice.
Similarly, the P during touch-control scanningi-1, thread switching control CKi-1((i-1)/2 article second switch control line or
The i-th/2 first switch control line) high level signal is provided, the transistor switch conducting in the i-th -1 switch element, touch-control letter
Number line TXi-1On signal be transferred to touch-control driving electrodes group TEi-1In the first touch-control driving electrodes TE1,(i-1)Touched with second
Control driving electrodes TE2,(i-2)And TE2,(i-1), complete to touch-control driving electrodes group TEi-1Scanning；The P during touch-control scanningi,
Thread switching control CKi((i+1)/2 article first switch control line or the i-th/2 article of second switch control line) provides high level letter
Number, the transistor switch conducting in i-th switch element, touching signals line TXiOn signal be transferred to touch-control driving electrodes
Group TEiIn the first touch-control driving electrodes TE1,iWith the second touch-control driving electrodes TE2,(i-1)And/or TE2,i(as i=1, second
Touch-control driving electrodes are TE2,1；When 1<i<During 2n, the second touch-control driving electrodes are TE2,(i-1)And TE2,i；As i=2n, second
Touch-control driving electrodes are TE2,2n-1), complete to touch-control driving electrodes group TEiScanning；In Pi-1And PiPeriod, the second touch-control drives
Electrode TE2,(i-1)It is scanned twice.
Understand above, when two adjacent touch-control driving electrodes groups have at least one second touch-control driving electrodes, should
Second touch-control driving electrodes are repetitively scanned during the adjacent son scanning of touch-control twice.Electricity so is driven to multiple touch-controls successively
Pole group carries out touch-control scanning, and multiple second touch-control driving electrodes are repetitively scanned successively, it is achieved thereby that binding rolls scanning.
Alternatively, touch-control display panel also includes a touch-control driving electrodes group, drives scanning circuit also to include a drive
Dynamic holding wire and a first switch unit, the first switch unit are adjacent with n-th second switch unit.In such case
Under, touch-control driving electrodes group TE2nWith touch-control driving electrodes group TE2n+1Sequential and above-mentioned touch-control driving electrodes group when scanned
TE2n-1With touch-control driving electrodes group TE2nSequential when scanned is identical, and therefore not to repeat here.
From the foregoing, it will be observed that it can also be odd number that the quantity of the touch-control driving electrodes group of touch-control display panel can be even number
Individual, i.e., the quantity of touch-control driving electrodes group is not limited by odevity.
Alternatively, each touch-control driving electrodes group TE1~TE2nIn the touch-control driving electrodes number that includes can be different.Example
Such as, touch-control driving electrodes group TE1A first touch-control driving electrodes TE can be included1,1With a second touch-control driving electrodes TE2,1,
Touch-control driving electrodes group TE2Comprising a first touch-control driving electrodes TE1,2With two the second touch-control driving electrodes TE2,1With
TE2,2.So, touch-control driving electrodes group TE1When scanned, there are two touch-control driving electrodes to be scanned；And touch-control driving electrodes group
TE2When scanned, there are three touch-control driving electrodes to be scanned.When the position of finger Touch screen is first touch-control driving electrodes
(the first touch-control driving electrodes TE1,2) when, only in touch-control driving electrodes group TE1Touching signals can be detected when scanned；Work as finger
The position of Touch screen is second touch-control driving electrodes (the second touch-control driving electrodes TE2,1) when, in touch-control driving electrodes group
TE1When scanned and touch-control driving electrodes group TE2Touching signals can be detected when scanned.Correspondingly, touch-control driving electrodes group
TE2nIncluding a first touch-control driving electrodes TE1,2nWith a second touch-control driving electrodes TE2,(2n-1).Which can be accurate
Ground determines the position that finger is touched, and improves the precision of touch control detection.
Additionally, first switch cell S W11~SW1nCan be by a first switch control line CK1To control, second switch list
First SW21~SW2nCan be by a second switch control line CK2To control, so as to greatly reduce the quantity of thread switching control, letter
Change the cabling for driving scanning circuit, reduce the chip area driven shared by scanning circuit.
So, as shown in figure 5, scanning P in touch-control1~P2nPeriod, first switch control line CK1With second switch control line
CK2Continuity signal is alternately provided, makes first switch cell S W11~SW1nWith second switch cell S W21~SW2nAlternating strobe, from
And by drive signal line TX1~TX2nOn signal transmit successively to touch-control driving electrodes group TE1~TE2n。
With continued reference to Fig. 6, the schematic diagram of another embodiment of the touch-control display panel of the application is shown.
Similar with the embodiment shown in Fig. 2, the touch-control display panel in the present embodiment equally may include touch-control driving electrodes
Group TE1~TE2n, drive signal line TX1~TX2n, first switch cell S W11~SW1nWith second switch cell S W21~SW2n。
From unlike the embodiment shown in Fig. 2, in the present embodiment, first switch cell S W11~SW1nOpened with second
Close cell S W21~SW2nIt is arranged on touch-control driving electrodes group TE1~TE2nOpposite sides.
Because each second touch-control driving electrodes passes through two transistor switch (crystalline substances in first switch unit respectively
A transistor switch in body pipe switch and second switch unit) it is connected with two drive signal lines, opened in two transistors
In the case of the channel type identical of pass, the two transistor switches are separately positioned on relative the two of touch-control driving electrodes group
Side, makes the cabling of driving scanning circuit simpler；Scanning circuit will be driven to be distributed in the relative of touch-control driving electrodes group in addition
Both sides, are conducive to all being made the frame of touch-control driving electrodes group opposite sides narrow.
Embodiment shown in Fig. 6 is identical with the embodiment operation principle shown in Fig. 3, and therefore not to repeat here.
With continued reference to Fig. 7, the schematic diagram of the another embodiment of the touch-control display panel of the application is shown.
Similar with the embodiment shown in Fig. 3, the touch-control display panel of the present embodiment equally may include to drive scanning circuit 71
With touch-control driving electrodes group TE1~TE2n, drive scanning circuit 71 equally to may include drive signal line TX1~TX2n, first switch
Cell S W11~SW1nWith second switch cell S W21~SW2n, each touch-control driving electrodes group equally may include at least one first
Touch-control driving electrodes and at least one second touch-control driving electrodes.
From unlike the embodiment shown in Fig. 3, as shown in fig. 7, first switch cell S W11~SW1nIn film crystal
The channel type of pipe and second switch cell S W21~SW2nIn thin film transistor (TFT) channel type it is different.For example, first switch
Cell S W11~SW1nIn transistor switch be PMOS transistor, second switch cell S W21~SW2nIn transistor switch be
Nmos pass transistor.
Second switch cell S W21~SW2nFirst switch cell S W can be shared11~SW1nThread switching control CK1~CKn,
So as to the quantity of thread switching control is reduced into n bars from 2n bars, simplify the cabling for driving scanning circuit, reduce and drive scanning circuit
Shared chip area.
In this case, as shown in figure 8, in P1Period, thread switching control CK1High level signal, first switch list are provided
First SW11It is switched on, second switch cell S W21It is disconnected, drive signal line TX1On signal pass through first switch cell S W11Quilt
Transmit to touch-control driving electrodes group TE1；And in P2Period, thread switching control CK1Low level signal, first switch cell S W are provided11
It is disconnected, second switch cell S W21It is switched on, drive signal line TX2On signal pass through second switch cell S W21It is transferred to
Touch-control driving electrodes group TE2.Similarly, in P2n-1Period, thread switching control CKnHigh level signal, first switch unit are provided
SW1nIt is switched on, second switch cell S W2nIt is disconnected, drive signal line TX2n-1On signal pass through first switch cell S W1nQuilt
Transmit to touch-control driving electrodes group TE2n-1；And in P2nPeriod, thread switching control CKnLow level signal, first switch unit are provided
SW1nIt is disconnected, second switch cell S W2nIt is switched on, drive signal line TX2nOn signal pass through second switch cell S W2nPassed
Transport to touch-control driving electrodes group TE2n.It is achieved thereby that a thread switching control controls two adjacent switch elements.
Further, first switch cell S W11~SW1nWith second switch cell S W21~SW2nOne can be all connected to open
Close control line, i.e. the quantity of thread switching control is further reduced to 1 from n bars, so, it is only necessary to a switch control
Line processed can just control whole switch elements, and the cabling of scanning circuit is driven so as to further simplify, and reduce driving and sweep
Chip area shared by scanning circuit.
In this case, in P1、P3、……、P2n-1Period, thread switching control provides high level signal, first switch unit
SW11~SW1nIt is switched on；In P2、P4、……、P2nPeriod, thread switching control provides low level signal, second switch cell S W21
~SW2nIt is switched on.So, different signals are provided during different touch-control scanning by thread switching control CK, will be driven
Holding wire drive signal line TX1~TX2nOn signal transmit successively to touch-control driving electrodes group TE1~TE2n, complete touch-control and sweep
Retouch.
Although Fig. 7 shows first switch cell S W11~SW1nIn transistor switch be nmos pass transistor, second switch
Cell S W21~SW2nIn transistor switch be PMOS transistor, this is only schematical.It is understood that first opens
Close cell S W11~SW1nIn transistor switch be PMOS transistor, second switch cell S W21~SW2nIn transistor switch
It is nmos pass transistor, those skilled in the art can be set according to the need for practical application scene.
With continued reference to Fig. 9, the schematic diagram of one embodiment of the touch-control display panel of the application is shown.
As shown in figure 9, touch-control display panel 900 may include the array base palte 920 being oppositely arranged and color membrane substrates 910 and
It is arranged on the liquid crystal layer 930 between array base palte 920 and color membrane substrates 910.Wherein, array base palte 920 may include public electrode
921, the reusable of public electrode 921 is touch-control driving electrodes, i.e. public electrode 921 can receive common electric voltage letter during showing
Number, and public electrode 921 can receive touch scanning signals during touch-control is scanned.
The present embodiment is beneficial in that, common electrode layer is multiplexed with into touch-control drive electrode layer, is simplified touch-control and is shown
Show the structure of panel, be conducive to the lightening of touch-control display panel.
With continued reference to Figure 10, the schematic diagram of one embodiment of the touch-control display panel of the application is shown.
As shown in Figure 10, in touch-control display panel 1000, the public electrode being arranged on array base palte 1010 is divided into
Multiple touch-control driving electrodes group TE1~TE2n, each touch-control driving electrodes group may include at least one first touch-control driving electrodes and
At least one second touch-control driving electrodes, the first touch-control driving electrodes are contained only in a touch-control driving electrodes group, and second touches
Control driving electrodes are included in two adjacent touch-control driving electrodes groups simultaneously.Wherein, each touch-control drives sub-electrode to be formed as
Strip.
Array base palte 1010 may also include viewing area 1020 and the non-display area 1030 around viewing area 1020.Its
In, driving scanning circuit 1040 may be provided in non-display area 1030.
Alternatively, touch-control display panel 1000 may also include a plurality of data lines D of x arrangements in the first direction1~DmWith along
The multi-strip scanning line S of two direction y arrangements1-Sk, data wire D1~DmWith scan line S1-SkInsulation is intersecting.Wherein, touch-control drives electricity
Pole group TE1~TE2nIn each touch-control driving electrodes bearing of trend and data wire D1~DmBearing of trend it is identical, i.e. touch-control drive
Y extends moving electrode in a second direction.Here, m, k are natural number.
When touch-control driving electrodes are set into x extensions in the first direction, scanning circuit 1040 is driven to be generally arranged at a left side
In the non-display area 1030 of right both sides so that the left and right side frame of touch-control display panel is wider.And in the present embodiment, touch-control is driven
Moving electrode is set to y in a second direction and extends, so that can be by the non-display area for driving scanning circuit 1040 to be arranged on upper and lower both sides
In domain 1030, be conducive to the realization of touch-control display panel left and right sides narrow frame.
Driving chip 1050 is additionally provided with non-display area 1030, for data wire D1~DmThere is provided data-signal with
And provide drive signal to driving scanning circuit 1040.
Alternatively, scanning circuit 1040 is driven to be provided with the one of driving chip 1050 in may be provided at non-display area 1030
Side.So, driving chip 1050 and data wire D can be simplified1~Dm, drive scanning circuit 1040 between cabling design, make touch-control
The laying out pattern of display panel 1000 is compacter.
Additionally, disclosed herein as well is a kind of driving method of touch-control display panel, for driving the various embodiments described above
Touch-control display panel.
Figure 11 shows the indicative flowchart 1100 of the driving method of the touch-control display panel of the application.
Step 1101, during touch-control is scanned, each drive signal line provides drive signal successively, each first switch unit and
Each second switch units alternately gating, electricity is driven by the touch-control in the signal transmission on drive signal line to touch-control driving electrodes group
Pole.
Step 1102, in every height scanning of touch-control scanning, only one drive signal line provides drive signal, with this
The switching means conductive of drive signal line connection.
Herein, it is applied to as shown in Fig. 2, Fig. 3 or Fig. 6 when by the driving method of the touch-control display panel of the present embodiment
During touch-control display panel, the timing diagram of each signal may refer to shown in Fig. 4 or Fig. 5.When by the touch-control display panel of the present embodiment
Driving method when being applied to touch-control display panel as shown in Figure 7, the timing diagram of each signal may refer to shown in Fig. 8.
It should be noted that although Figure 11 shows the execution sequence of step 1101 and step 1102, this is only to show
Meaning property.It is understood that step 1101 and 1102 can occur with different from the order marked in accompanying drawing, for example, step
Rapid 1101 and step 1102 can essentially substantially in parallel perform or can perform in a reverse order, this is according to involved
Function depending on.
Disclosed herein as well is a kind of touch control display apparatus, as shown in Figure 12.Wherein, touch control display apparatus 1200 can be wrapped
Include touch-control display panel as above.It will be appreciated by those skilled in the art that touch control display apparatus including touch-control as above except showing
Show outside panel, some other known structures can also be included.In order to not obscure the emphasis of the application, will no longer to these
Known structure is described further.
The touch control display apparatus of the application can be any device comprising touch-control display panel as above, including but not limit
In cellular mobile phone 1200, panel computer as shown in figure 12, the display of computer, it is applied in Intelligent worn device
Display, the display device that is applied on the vehicles such as automobile etc..As long as it is public that touch control display apparatus contain the application
The structure of the touch-control display panel opened, has just been contemplated as falling within the protection domain of the application.
Above description is only the preferred embodiment and the explanation to institute's application technology principle of the application.People in the art
Member is it 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 characteristic
Scheme, while should also cover in the case where the inventive concept is not departed from, is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (12)
1. a kind of touch-control display panel, it is characterised in that the touch-control display panel includes driving scanning circuit and 2n touch-control
Driving electrodes group；
The driving scanning circuit includes 2n bars drive signal line, n first switch unit and n second switch unit, described
First switch unit and the second switch unit are set at each interval；Each switch element includes at least one switch, together
The switch in one switch element is simultaneously turned on or disconnected；
Each described touch-control driving electrodes group includes that at least one first touch-control driving electrodes and at least one second touch-controls drive
Electrode, the first touch-control driving electrodes are contained only in a touch-control driving electrodes group, and second touch-control drives electricity
Pole is included in the touch-control driving electrodes group of adjacent two simultaneously；
The first touch-control driving electrodes in touch-control driving electrodes group described in i-th are connected with i-th drive signal line；
The second touch-control driving electrodes in touch-control driving electrodes group described in i-th are by the switch in i-th switch element
It is connected with i-th drive signal line；
Wherein, i, n are natural number, i≤2n.
2. touch-control display panel according to claim 1, it is characterised in that the first switch unit and described second is opened
Close the same side that unit is arranged on the touch-control driving electrodes group.
3. touch-control display panel according to claim 1, it is characterised in that the first switch unit and described second is opened
Close the opposite sides that unit is arranged on the touch-control driving electrodes group.
4. touch-control display panel according to claim 1, it is characterised in that the touch-control display panel also includes an institute
Touch-control driving electrodes group is stated, the driving scanning circuit also includes a drive signal line and a first switch list
Unit, the first switch unit is adjacent with second switch unit described in n-th.
5. touch-control display panel according to claim 1, it is characterised in that the switch is thin film transistor (TFT).
6. touch-control display panel according to claim 5, it is characterised in that the film crystal in the first switch unit
The channel type of pipe is identical with the channel type of the thin film transistor (TFT) in the second switch unit.
7. touch-control display panel according to claim 5, it is characterised in that the film crystal in the first switch unit
The channel type of pipe is different from the channel type of the thin film transistor (TFT) in the second switch unit.
8. touch-control display panel according to claim 1, it is characterised in that the touch-control display panel includes being oppositely arranged
Array base palte and color membrane substrates and the liquid crystal layer between two substrates；
Wherein, the array base palte includes public electrode, and the public electrode is multiplexed with the touch-control driving electrodes.
9. touch-control display panel according to claim 8, it is characterised in that the touch-control driving electrodes are strip.
10. touch-control display panel according to claim 8, it is characterised in that the touch-control display panel also includes a plurality of
Data wire and the multi-strip scanning line intersected with data wire insulation；
The bearing of trend of the touch-control driving electrodes is identical with the bearing of trend of the data wire.
A kind of 11. driving methods of driving touch-control display panel as claimed in claim 1, it is characterised in that methods described bag
Include：
During touch-control is scanned, each drive signal line provides drive signal, each first switch unit and each institute successively
Second switch units alternately gating is stated, by the institute in the signal transmission on the drive signal line to the touch-control driving electrodes group
State touch-control driving electrodes；
In every height scanning of touch-control scanning, only one drive signal line provides drive signal, with the drive signal
The switching means conductive of line connection.
12. a kind of touch control display apparatus, it is characterised in that show including the touch-control as described in any one in claim 1-10
Show panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611235719.9A CN106775161B (en) | 2016-12-28 | 2016-12-28 | Touch display panel, driving method and touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611235719.9A CN106775161B (en) | 2016-12-28 | 2016-12-28 | Touch display panel, driving method and touch display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106775161A true CN106775161A (en) | 2017-05-31 |
| CN106775161B CN106775161B (en) | 2020-04-21 |
Family
ID=58923902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611235719.9A Active CN106775161B (en) | 2016-12-28 | 2016-12-28 | Touch display panel, driving method and touch display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106775161B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107463292A (en) * | 2017-08-04 | 2017-12-12 | 武汉天马微电子有限公司 | The driving method of display panel, display device and display panel |
| CN107506080A (en) * | 2017-08-31 | 2017-12-22 | 广东欧珀移动通信有限公司 | Array base palte, display panel and electronic equipment |
| CN112506377A (en) * | 2020-12-09 | 2021-03-16 | 厦门天马微电子有限公司 | Touch display panel, driving method thereof and touch display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540530A (en) * | 2010-12-22 | 2012-07-04 | 苹果公司 | Integrated touch screens |
| US20130057480A1 (en) * | 2011-09-07 | 2013-03-07 | Samuel Brunet | Signal-to-Noise Ratio in Touch Sensors |
| CN104461151A (en) * | 2014-12-22 | 2015-03-25 | 西安中颖电子有限公司 | Touch screen detection method with low pressure and high signal-to-noise ratio |
| CN105335015A (en) * | 2015-12-03 | 2016-02-17 | 深圳磨石科技有限公司 | Touch display device and electronic device |
| CN106066738A (en) * | 2016-07-29 | 2016-11-02 | 厦门天马微电子有限公司 | Array base palte and driving method, display floater and display device |
-
2016
- 2016-12-28 CN CN201611235719.9A patent/CN106775161B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540530A (en) * | 2010-12-22 | 2012-07-04 | 苹果公司 | Integrated touch screens |
| US20130057480A1 (en) * | 2011-09-07 | 2013-03-07 | Samuel Brunet | Signal-to-Noise Ratio in Touch Sensors |
| CN102999208A (en) * | 2011-09-07 | 2013-03-27 | 爱特梅尔公司 | Improvement of signal-to-noise ratio in touch sensors |
| CN104461151A (en) * | 2014-12-22 | 2015-03-25 | 西安中颖电子有限公司 | Touch screen detection method with low pressure and high signal-to-noise ratio |
| CN105335015A (en) * | 2015-12-03 | 2016-02-17 | 深圳磨石科技有限公司 | Touch display device and electronic device |
| CN106066738A (en) * | 2016-07-29 | 2016-11-02 | 厦门天马微电子有限公司 | Array base palte and driving method, display floater and display device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107463292A (en) * | 2017-08-04 | 2017-12-12 | 武汉天马微电子有限公司 | The driving method of display panel, display device and display panel |
| CN107463292B (en) * | 2017-08-04 | 2020-08-21 | 武汉天马微电子有限公司 | Display panel, display device and driving method of display panel |
| CN107506080A (en) * | 2017-08-31 | 2017-12-22 | 广东欧珀移动通信有限公司 | Array base palte, display panel and electronic equipment |
| CN107506080B (en) * | 2017-08-31 | 2020-05-12 | Oppo广东移动通信有限公司 | Array substrate, display panel and electronic equipment |
| CN112506377A (en) * | 2020-12-09 | 2021-03-16 | 厦门天马微电子有限公司 | Touch display panel, driving method thereof and touch display device |
| CN112506377B (en) * | 2020-12-09 | 2023-09-12 | 厦门天马微电子有限公司 | Touch display panel, driving method thereof and touch display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106775161B (en) | 2020-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104166489B (en) | Display panel, display device and display drive method | |
| CN103135868B (en) | Display device, potential control method and program with touch sensor | |
| CN104020904B (en) | Capacitive type embedded touch screen and display device | |
| CN103150073B (en) | A kind of capacitance type in-cell touch panel and display device | |
| CN104022128B (en) | Array substrate, manufacturing method thereof and displaying device | |
| CN101937293B (en) | Information input device and display device | |
| CN106293226A (en) | Display floater, display device and driving method | |
| CN106814910B (en) | Touch-control display panel and its driving method, touch control display apparatus | |
| CN105955522A (en) | Touch control display and drive method thereof | |
| CN105511705A (en) | Touch panel, touch display device and driving method of touch panel | |
| CN106775162B (en) | Touch-control display panel and its driving method, touch control display apparatus | |
| CN104461201A (en) | Touch display device and drive method thereof | |
| CN106484187A (en) | Touch-control display panel and touch control display apparatus | |
| CN104182108A (en) | Array substrate, touch display device and driving method | |
| CN106775126A (en) | Touch-control display panel and its driving method, touch control display apparatus | |
| CN107422903A (en) | A kind of touch base plate, touch-control display panel and touch control display apparatus | |
| CN106708325A (en) | Touch and control display panel and touching and controlling device | |
| CN206388151U (en) | Touch-control display panel and touch control display apparatus | |
| CN106531108A (en) | Touch display panel and driving method thereof, and touch display device | |
| CN106842660A (en) | display panel, driving method and display device | |
| CN104272231A (en) | Input device and liquid crystal display device | |
| CN104216561A (en) | Touch control display device and driving method of touch control display device | |
| CN106959781A (en) | Touch-control display panel, driving method and touch control display apparatus | |
| CN106775161A (en) | Touch-control display panel, driving method and touch control display apparatus | |
| CN204288168U (en) | A kind of touch-control display panel and touch control display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |