CN106959781A - 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
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- CN106959781A CN106959781A CN201710202822.1A CN201710202822A CN106959781A CN 106959781 A CN106959781 A CN 106959781A CN 201710202822 A CN201710202822 A CN 201710202822A CN 106959781 A CN106959781 A CN 106959781A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
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Abstract
This application discloses touch-control display panel, driving method and touch control display apparatus.Touch-control display panel includes：Shift circuit, control signal wire, control circuit, multi-strip scanning line, a plurality of data lines, multiple touch-control driving electrodes, switch-over control signal end and switching control switch element；During the touch-control in frame period, each switching control switched and turned under the control for the first control signal exported at switch-over control signal end, so that each touch-control driving electrodes are electrically connected by least one switching control switch with least one data wire；The first control signal and the signal of the output end of shift circuit that control circuit is exported based on switch-over control signal end so that scan line is hanging.Above-mentioned touch-control display panel reduced and coupled on touch-control display panel between device, is eliminated the parasitic capacitance between scan line and other devices, is improved the signal detection precision of touch-control display panel.
Description
Technical field
The application is related to display technology field, and in particular to organic light emitting display technical field, more particularly to touch-control are shown
Panel, driving method and touch control display apparatus.
Background technology
, can on the array base palte of touch-control display panel with the continuous improvement of the application field and technique of touch-control Display Technique
More touch-control sensing electrodes can be set on more touch-control driving electrodes, color membrane substrates to set, shown with improving touch-control
Panel senses the precision of touching signals.
As market is to the thickness of touch-control display panel and the requirement more and more higher of display precision so that touch-control display panel
Array base palte on touch-control driving electrodes quantity and color membrane substrates on touch-control sensing electrode quantity it is more and more, it is each
The area of individual touch-control driving electrodes or touch-control sensing electrode diminishes, by the data signal line on display panel, scan signal line,
The influence of the parasitic capacitance of liquid crystal capacitance etc. becomes more serious, so that cause touching signals to be a greater impact, touch accuracy
Decline.
The content of the invention
In view of drawbacks described above of the prior art, the embodiment of the present application provides touch-control display panel, driving method and touched
Display device is controlled, to solve the technical problem that background section above is mentioned.
To achieve these goals, in a first aspect, the embodiment of the present application provides a kind of touch-control display panel, including：Move
Position circuit, control signal wire, control circuit, multi-strip scanning line, a plurality of data lines, multiple touch-control driving electrodes, switching control letter
Number end and switching control switch element；Wherein, above-mentioned switching control switch element includes multiple switching controls switch, each above-mentioned to cut
Changing controlling switch includes first end, the second end and control end, the first end and wherein data line electricity of each above-mentioned switching switch
Connection, the second end of each above-mentioned switching control switch is electrically connected with one of touch-control driving electrodes；Each above-mentioned control end with
Above-mentioned switch-over control signal end electrical connection, during the touch-control in frame period, each above-mentioned switching control is switched in above-mentioned switching
Turned under the control of first control signal of control signal end output, so that each above-mentioned touch-control driving electrodes pass through at least one
Switching control switch is stated to electrically connect with least one above-mentioned data wire；Above-mentioned shift circuit includes the shift unit of multiple cascades, respectively
Above-mentioned shift unit includes input and output end, and each above-mentioned shift unit is exported to defeated after being shifted for the signal for receiving input
Go out end；Above-mentioned control signal wire is electrically connected with above-mentioned switch-over control signal end, for providing control signal for above-mentioned control circuit；
Above-mentioned control circuit be used for the first control signal for export in the touch-control stage in frame period based on above-mentioned switch-over control signal end with
The signal of the output end of above-mentioned shift circuit so that above-mentioned scan line is hanging, and be based in the display stage in frame period above-mentioned
The signal of second control signal of switch-over control signal end output and the output end of above-mentioned shift circuit, is provided to above-mentioned scan line
Scanning signal.
Second aspect, this application provides a kind of driving method, applied to the touch-control display panel of first aspect, above-mentioned drive
Dynamic method includes：The second control exported in the display stage in frame period, above-mentioned control circuit based on above-mentioned switch-over control signal end
The signal of the output end of signal processed and above-mentioned shift circuit provides scanning signal to above-mentioned scan line；In the touch-control rank in frame period
Section, the first control that each switching control switch that above-mentioned switching control switch element is included is exported at above-mentioned switch-over control signal end
Turned under the control of signal processed, each above-mentioned touch-control driving electrodes are connected with least one above-mentioned data wire, control circuit is based on
The signal of first control signal of above-mentioned switch-over control signal end output and the output end of above-mentioned shift circuit so that above-mentioned scanning
Line is hanging.
The third aspect, this application provides a kind of display device, includes the touch-control display panel of above-mentioned first aspect.
The application provide touch-control display panel include shift circuit, control signal wire, control circuit, multi-strip scanning line,
A plurality of data lines, multiple touch-control driving electrodes, switch-over control signal end and switching control switch element, in a switching control letter
Number end control under, by shift circuit, control circuit, switching control switch element common cooperating, in the frame period
During the touch-control stage, touch-control driving electrodes are connected with least one data wire so that both current potentials are identical, eliminate touch-control driving electricity
Parasitic capacitance between pole and data wire and liquid crystal capacitance；Meanwhile, the touch-control display panel that the application is provided causes scan line
It is hanging in the touch-control stage, there is no current potential in scan line, eliminate between scan line and touch-control driving electrodes and other devices
Parasitic capacitance, improves the signal detection precision of touch-control display panel.
Brief description of the drawings
Non-limiting example is described in detail with reference to what the following drawings was made by reading, other features,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural representation for the touch-control display panel that the application is provided；
When Fig. 2 is that switching control switch includes the first transistor, the structural representation of touch-control display panel；
When Fig. 3 is that control circuit includes the first phase inverter and the first signaling control unit, the structure of touch-control display panel is shown
It is intended to；
Fig. 4 is the composition structural representation of the first signaling control unit；
When Fig. 5 is each part of control circuit comprising the first phase inverter and the first signaling control unit, touch-control shows
Show the structural representation of panel；
When Fig. 6 is that control circuit includes secondary signal control unit, the structural representation of touch-control display panel；
Fig. 7 is the composition structural representation of secondary signal control unit；
When Fig. 8 is that control circuit includes each part of secondary signal control unit, the structure of touch-control display panel
Schematic diagram；
Fig. 9 is the flow chart for the driving method that the application is provided；
Figure 10 is a schematic diagram of the display device that the application is provided.
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
Be easy to description, 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 phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is refer to, the structural representation of the touch-control display panel provided it illustrates the application.As shown in figure 1, this Shen
Touch-control display panel please includes：It is shift circuit 101, control signal wire 102, control circuit 103, multi-strip scanning line 104, a plurality of
Data wire 105, multiple touch-control driving electrodes 106, switch-over control signal end 107 and switching control switch element 108.Each touch-control
Liquid crystal capacitance is correspond under driving electrodes 106.Wherein, above-mentioned switching control switch element 108 is switched including multiple switching controls
1081, each above-mentioned switching control switch 1081 includes first end, the second end and control end, the first end of each above-mentioned switching switch with
Wherein a data line 105 is electrically connected, the second end of each above-mentioned switching control switch 1081 and one of touch-control driving electrodes
106 electrical connections.The control end of each switching switch is electrically connected with above-mentioned switch-over control signal end 107, in the touch-control phase in frame period
Between, each above-mentioned switching control switch 1081 is used for the control of the first control signal exported at above-mentioned switch-over control signal end 107
Lower conducting, so that each above-mentioned touch-control driving electrodes 106 pass through at least one above-mentioned switching control switch 1081 and at least one
Data wire 105 is stated to electrically connect.Above-mentioned shift circuit 101 includes the shift unit 1011 of multiple cascades, and each above-mentioned shift unit 1011 is wrapped
Input and output end are included, each above-mentioned shift unit 1011 is exported to output end after being shifted for the signal for receiving input.On
State control signal wire 102 to electrically connect with above-mentioned switch-over control signal end 107, for providing control letter for above-mentioned control circuit 103
Number.Above-mentioned control circuit 103 is used for the first control exported in the touch-control stage in frame period based on above-mentioned switch-over control signal end 107
The signal of the output end of signal processed and above-mentioned shift circuit 101 so that above-mentioned scan line 104 is hanging, and showing in the frame period
Show the second control signal that the stage exported based on above-mentioned switch-over control signal end 107 and the output end of above-mentioned shift circuit 101
Signal, scanning signal is provided to above-mentioned scan line 104.
In some optional implementations of the present embodiment, Fig. 1 touch-control display panel also includes integrated drive electronics
109 and touching signals line 110.
In the touch-control stage in frame period, above-mentioned integrated drive electronics 109 is that above-mentioned touching signals line 110 provides touch-control driving
Signal, for detecting the touching signals on touch-control display panel.The first control letter is provided for above-mentioned switch-over control signal end 107
Number, make it that control circuit 103 exports corresponding signal to scan line 104, and then control liquid crystal capacitance work.Above-mentioned first control
Signal processed can be high level.First control signal is transferred to control circuit 103 by switch-over control signal end 107.Integrated driving
Circuit 109 provides shift signal to shift circuit 101.Shift circuit 101 moves shift signal through each shift unit 1011 successively
Exported behind position to next shift unit 1011.Shift unit 1011 according to shift signal to control the output signal of circuit 103.Control electricity
Road 103 receives the first control signal that the signal of the output of shift unit 1011 and switch-over control signal end 107 are exported simultaneously, according to shifting
It is hanging that the first control signal that the signal and switch-over control signal end 107 that position device 1011 is exported are exported make it that scan line 104 is in
Without current potential in state, scan line 104.Meanwhile, the first control signal is transferred to switching control and switched by switch-over control signal end 107
Unit 108 so that switching control switch 1081 is turned on, and each touch-control driving electrodes 106 are electrically connected with least one data wire 105
Connect.
In the display stage in frame period, above-mentioned integrated drive electronics 109 is respectively above-mentioned data wire 105 and touching signals line
110 provide data-signal and common signal, control the liquid crystal circuit being connected with data wire 105 normally to show；And be above-mentioned switching
Control signal end 107 provides the second control signal, and above-mentioned second control signal can be low level.Switch-over control signal end 107
Second control signal is transferred to control circuit 103.Integrated drive electronics 109 provides shift signal to shift circuit 101.Displacement
Circuit 101 is exported after shift signal is shifted through each shift unit 1011 successively to next shift unit 1011.Shift unit 1011
According to shift signal to control the output signal of circuit 103.Control circuit 103 receives the signal of the output of shift unit 1011 and cut simultaneously
The second control signal of the output of control signal end 107 is changed, the signal exported according to shift unit 1011 and switch-over control signal end 107
Second control signal of output provides scanning signal to scan line 104, so as to liquid crystal circuit normal work.
As shown in figure 1, shift circuit 101 includes the shift unit 1011 (VSR (1) -- VSR (m)) of m cascade, shift unit
Next shift unit 1011 is transferred to by output end after the 1011 signal displacements that can receive input.Each shift unit
1011, which can also receive input signal transmission, gives control circuit 103.
The second control exported in the display stage in frame period, control circuit 103 based on above-mentioned switch-over control signal end 107
The signal of the output end of signal and above-mentioned shift circuit 101, scanning signal is provided to above-mentioned scan line 104.Meanwhile, switching control
Switch 1081 disconnects under the control for the second control signal that switch-over control signal end 107 is exported, and data wire 105 is liquid crystal capacitance
Data-signal is provided, touch-control driving electrodes 106 are not electrically connected with data wire 105.
In the touch-control stage in frame period, control circuit 103 receives signal and the switching control that shift circuit 101 is exported simultaneously
The signal that signal end 107 is exported.Control circuit 103 can based on switch-over control signal end 107 export the first control signal and
The signal of the output end of shift circuit 101 so that scan line 104 is hanging, does not have current potential in scan line 104.Meanwhile, switching control
Switch 1081 is turned under the control for the first control signal that switch-over control signal end 107 is exported, and touch-control driving electrodes 106 pass through
At least one switching control switch 1081 is electrically connected with least one data wire 105 so that touch-control driving electrodes 106 and data wire
105 current potential is identical (touch-control driving electrodes 106 serve as the effect of public electrode), eliminates touch-control driving electrodes 106 and data
Parasitic capacitance between line 105 and liquid crystal capacitance, it is to avoid parasitic electricity is produced between touch-control driving electrodes 106 and liquid crystal capacitance
Hold.Scan line 104 eliminates the possibility that scan line 104 produces parasitic capacitance vacantly without current potential.It can be seen that, of the invention real
Apply in example, under the control at a switch-over control signal end 107, pass through shift circuit 1011, control circuit 103, switching control
The common cooperating of switch element 108, in the touch-control stage in frame period, data wire 105 and scan line 104 are posted all without generation
Raw electric capacity, reduces the signal coupling on touch-control display panel, improves the signal detection precision of touch-control display panel.
In some optional implementations of the present embodiment, switching control switch 1081 is needed according to switch-over control signal
The control signal of the output of end 107 is connected or disconnection touch-control driving electrodes 106 and data wire 105 to realize.Optionally, this realization side
Switching control switch 1081 in formula can include：The first transistor 10811, as shown in Figure 2.Above-mentioned the first transistor 10811
The first pole electrically connected with above-mentioned data wire 105, the grid of above-mentioned the first transistor 10811 and above-mentioned switch-over control signal end
107 electrical connections, the second pole of above-mentioned the first transistor 10811 is electrically connected with above-mentioned touch-control driving electrodes 106.The first transistor
10811 control signals that can be exported according to switch-over control signal end 107 control touch-control driving electrodes 106 and data wire 105
Connection disconnects.When the first control signal is high level, the first transistor can be N-type transistor.
In some optional implementations of the present embodiment, control circuit 103 can include：One the first phase inverter
1031 and the first signaling control unit 1032 of multiple cascades, above-mentioned first signaling control unit 1032 and an above-mentioned shifting
Position device 1011 is electrically connected, as shown in Figure 3.The first end of above-mentioned first phase inverter 1031 is electrically connected with above-mentioned control signal wire 102,
First end of second end of above-mentioned first phase inverter 1031 respectively with each above-mentioned first signaling control unit 1032 is electrically connected.On
The second end for stating the first signaling control unit 1032 is electrically connected with above-mentioned shift unit 1011, above-mentioned first signaling control unit 1032
The 3rd end electrically connected with above-mentioned scan line.
In the touch-control stage in frame period, the first phase inverter 1031 believes the first control that switch-over control signal end 107 is transmitted
The first signaling control unit 1032 is transferred to after number anti-phase.First signaling control unit 1032 receives the letter that shift unit 1011 is exported
Number and the signal of the first phase inverter 1031 transmission after so that scan line 104 is hanging, without current potential in scan line 104.
In the display stage in frame period, the first phase inverter 1031 believes the second control that switch-over control signal end 107 is transmitted
The first signaling control unit 1032 is transferred to after number anti-phase.First signaling control unit 1032 receives the letter that shift unit 1011 is exported
Number and the first phase inverter 1031 transmission signal after, to scan line 104 provide scanning signal.
In some optional implementations of the present embodiment, above-mentioned first signaling control unit 1032 can include：The
Two-transistor 10321, the transistor 10323 of third transistor 10322 and the 4th, as shown in Figure 4.Above-mentioned transistor seconds 10321
The first pole electrically connected with first voltage end, the grid of above-mentioned transistor seconds 10321 respectively with above-mentioned shift unit 1011 and upper
State the grid electrical connection of third transistor 10322, the second pole of above-mentioned transistor seconds 10321 respectively with above-mentioned scan line 104
Electrically connected with the first pole of above-mentioned third transistor 10322.Second pole of above-mentioned third transistor 10322 and above-mentioned 4th crystal
The first pole electrical connection of pipe 10323.The second end electricity of the grid of above-mentioned 4th transistor 10323 and above-mentioned first phase inverter 1031
Connection, the second pole of above-mentioned 4th transistor 10323 is electrically connected with second voltage end.Wherein, above-mentioned third transistor 10322,
4th transistor 10323 is identical with the channel type of the first transistor 10811, the above-mentioned crystal of transistor seconds 10321 and the 3rd
The channel type of pipe 10322 is different.Optionally, transistor seconds 10321 can be N-type transistor, the He of third transistor 10322
4th transistor 10323 can be P-type transistor, and the structure of corresponding touch-control display panel is as shown in Figure 5.
In the touch-control stage in frame period, the first phase inverter 1031 believes the first control that switch-over control signal end 107 is transmitted
The 4th transistor 10323 is transferred to after number anti-phase, the 4th transistor 10323 is in cut-off state.Include the in control circuit 103
In the case of one phase inverter 1031 and the first signaling control unit 1032 of multiple cascades, touch-control of the shift unit 1011 in the frame period
The signal of stage output is high level, and the signal transmission that shift unit 1011 is exported is to transistor seconds 10321 and third transistor
10322.Transistor seconds 10321 is in cut-off state, and third transistor 10322 is in the conduction state.The electricity at first voltage end
Scan line 104 can not be reached by transistor seconds 10321 by pressing signal.Because the 4th transistor 10323 is also at cut-off state,
Scan line 104 can not obtain the voltage signal at second voltage end so that scan line 104 is in nothing in vacant state, scan line 104
Current potential.
In the display stage in frame period, the first phase inverter 1031 believes the second control that switch-over control signal end 107 is transmitted
The 4th transistor 10323 is transferred to after number anti-phase, the 4th transistor 10323 is in the conduction state.The letter that shift unit 1011 is exported
Number it is transferred to transistor seconds 10321 and third transistor 10322.When the signal that shift unit 1011 is exported is high level, the
Two-transistor 10321 is in cut-off state, and third transistor 10322 is in the conduction state.Scan line 104 can not be brilliant by second
Body pipe 10321 obtains the voltage signal at first voltage end, but can be obtained by the transistor 10323 of third transistor 10322 and the 4th
To the voltage signal at second voltage end.When the signal that shift unit 1011 is exported is low level, transistor seconds 10321 is in and led
Logical state, third transistor 10322 is in cut-off state.Scan line 104 can not pass through the crystal of third transistor 10322 and the 4th
Pipe 10323 obtains the voltage signal at second voltage end, but the voltage letter at first voltage end can be obtained by transistor seconds 10321
Number, so as to realize the purpose that scanning signal is provided to scan line 104.
In some optional implementations of the present embodiment, above-mentioned control circuit 103 can also include：Multiple second letters
Number control unit 1033, an above-mentioned secondary signal control unit 1033 is electrically connected with an above-mentioned shift unit 1011, such as Fig. 6 institutes
Show.The first end of above-mentioned secondary signal control unit 1033 is electrically connected with above-mentioned control signal wire 102, above-mentioned secondary signal control
Second end of unit 1033 is electrically connected with above-mentioned shift unit 1011, the 3rd end of above-mentioned secondary signal control unit 1033 with it is above-mentioned
Scan line is electrically connected.
In the touch-control stage in frame period, the first control signal that switch-over control signal end 107 is provided passes through above-mentioned control
Signal wire 102 is transferred to secondary signal control unit 1033.Secondary signal control unit 1033 receives switch-over control signal end 107
After the first control signal provided and the signal exported with above-mentioned shift unit, so that scan line 104 is hanging, in scan line 104
Without current potential.
In the display stage in frame period, the second control signal that switch-over control signal end 107 is transmitted is transferred to secondary signal
Control unit 1033.Secondary signal control unit 1033 receives the second control signal and the of the transmission of switch-over control signal end 107
After the signal of one phase inverter 1031 transmission, scanning signal is provided to scan line 104.
In some optional implementations of the present embodiment, above-mentioned secondary signal control unit 1033 can include：The
Five transistors 10331, the 6th transistor 10332, the second phase inverter 10333 and nor gate 10334, as shown in Figure 7.Wherein, on
The first pole for stating the 5th transistor 10331 is electrically connected with first voltage end, the grid of above-mentioned 5th transistor 10331 and above-mentioned the
The first pole electrical connection of two phase inverters 10333, the second pole of above-mentioned 5th transistor 10331 respectively with above-mentioned scan line 104 and
The first pole electrical connection of above-mentioned 6th transistor 10332.The grid of above-mentioned 6th transistor 10332 and above-mentioned nor gate 10334
The first pole electrical connection, the second pole of above-mentioned 6th transistor 10332 is electrically connected with second voltage end.Above-mentioned second phase inverter
Second pole of 10333 the second pole respectively with above-mentioned shift unit 1011 and above-mentioned nor gate 10334 is electrically connected.Above-mentioned nor gate
10334 the 3rd pole is electrically connected with above-mentioned switch-over control signal end 107.Above-mentioned 5th transistor 10331 and the 6th transistor
10332 channel type is different；Above-mentioned 6th transistor 10332 is identical with the channel type of the first transistor 10811.It is optional
, the 5th transistor 10331 can be N-type transistor, and the 6th transistor 10332 can be P-type transistor, and corresponding touch-control shows
Show that the structure of panel is as shown in Figure 8.
In the touch-control stage in frame period, the first control signal that switch-over control signal end 107 is transmitted is transferred to nor gate
10334 the 3rd pole.Second pole of nor gate 10334 and the second pole of the second phase inverter 10333 receive the defeated of shift unit 1011
Go out signal.
In the case where control circuit 103 includes multiple secondary signal control units 1033, shift unit 1011 is in the frame period
The touch-control stage output signal be low level so that nor gate 10334 the first pole output low level, the 6th transistor
10332 are in cut-off state；The first pole output high level of second phase inverter 10333, the 5th transistor 10331 is in cut-off shape
State.Scan line 104 can not obtain the voltage signal at first voltage end by the 5th transistor 10331, can not be brilliant by the 6th
Body pipe 10332 obtains the voltage signal at second voltage end.Scan line 104 is in vacant state, scan line 104 without current potential.
In the display stage in frame period, the second control signal that switch-over control signal end 107 is transmitted is transferred to nor gate
10334 the 3rd pole.Second pole of nor gate 10334 and the second pole of the second phase inverter 10333 receive the defeated of shift unit 1011
Go out signal.When the signal that shift unit 1011 is exported is high level, the first pole output low level of nor gate 10334, the 6th is brilliant
Body pipe 10332 is in cut-off state；The first pole output low level of second phase inverter 10333, the 5th transistor 10331 is in and led
Logical state.Scan line 104 can not obtain the voltage signal at second voltage end by the 6th transistor 10332, but can pass through
Five transistors 10331 obtain the voltage signal at first voltage end.When the signal that shift unit 1011 is exported is low level, nor gate
10334 the first pole output high level, the 6th transistor 10332 is in the conduction state；The first of second phase inverter 10333 is extremely defeated
Go out high level, the 5th transistor 10331 is in cut-off state.Scan line 104 can not obtain by the 5th transistor 10331
The voltage signal of one voltage end, but the voltage signal at second voltage end can be obtained by the 6th transistor 10332, thus realize to
Scan line 104 provides the purpose of scanning signal.
In some optional implementations of the present embodiment, touch-control display panel can also include：Touch-control sensing electrode
(not shown), above-mentioned touch-control sensing electrode extends in a second direction, each above-mentioned touch-control sensing electrode is arranged in the first direction；
Above-mentioned first direction intersects with above-mentioned second direction.
Under normal circumstances, touch-control driving electrodes 106 and touch-control sensing electrode crossing are set, when touch-control sensing electrode is along second
Direction extends, and when arranging in the first direction, touch-control driving electrodes 106 can be extended in a first direction, and arrange in a second direction.
Touch-control driving electrodes 106 receive the touch-control drive signal that integrated drive electronics 109 is sent through touching signals line 110, and by touching
The touching signals on induction electrode detection touch-control display panel are controlled, and detection signal is returned to integrated drive electronics 109.Integrated drive
The detection signal that dynamic circuit 109 is returned by touch-control sensing electrode determines whether there is touching signals on touch-control display panel.But deposit
In touching signals, integrated drive electronics 109 can also be determined according to corresponding touch-control driving electrodes 106 and touch-control sensing electrode
Position of the touching signals on touch-control display panel.
The present embodiment additionally provides a kind of driving method 900, applied to above-mentioned touch-control display panel, as shown in figure 9, on
Driving method is stated to comprise the following steps：
Step 901, in the display stage in frame period, it is defeated that above-mentioned control circuit 103 is based on above-mentioned switch-over control signal end 107
The second control signal and the signal of the output end of above-mentioned shift circuit 101 gone out provides scanning signal to above-mentioned scan line 104.
Integrated drive electronics 109 is that above-mentioned switch-over control signal end 107 provides the second control signal, and is shift circuit
101 provide shift signal.The second control signal and shift circuit that control circuit 103 is transmitted according to switch-over control signal end 107
101 output signal output high level or low level, scanning signal is provided to scan line 104.
Step 902, each switching control included in the touch-control stage in frame period, above-mentioned switching control switch element 108
Switch 1081 is turned under the control for the first control signal that above-mentioned switch-over control signal end 107 is exported, and each above-mentioned touch-control drives
Moving electrode 106 is connected with least one above-mentioned data wire 105, and control circuit 103 is exported based on above-mentioned switch-over control signal end 107
The first control signal and above-mentioned shift circuit 101 output end signal so that above-mentioned scan line 104 is hanging.
Integrated drive electronics 109 is that above-mentioned switch-over control signal end 107 provides the first control signal, and is shift circuit
101 provide shift signal.The first control signal and shift circuit that control circuit 103 is transmitted according to switch-over control signal end 107
101 output signal make it that scan line 104 is in vacant state, scan line 104 without current potential.Switching control switch 1081 is upper
Turned under the control for the first control signal for stating the output of switch-over control signal end 107 so that touch-control driving electrodes 106 and data wire
105 same current potentials.Avoid and produce parasitic capacitance between touch-control driving electrodes 106 and liquid crystal capacitance.Scan line 104 is vacantly without electricity
Position, eliminates the possibility that scan line 104 produces parasitic capacitance.It can be seen that, in the touch-control stage in frame period, data wire 105 and sweep
Line 104 is retouched all without parasitic capacitance is produced, the signal coupling on touch-control display panel is reduced, improves touch-control display panel
Signal detection precision.
It should be noted that although Fig. 9 shows the execution sequence of step 901 and step 902, this is only schematic
's.It is understood that step 901 and step 902 can be to occur, for example, step different from the order marked in accompanying drawing
901 and step 902 can essentially substantially in parallel perform or can perform in a reverse order, this is according to involved work(
Depending on energy.
In some optional implementations of the present embodiment, above-mentioned control circuit can include：One the first phase inverter
With the first signaling control unit of multiple cascades, above-mentioned first signaling control unit is electrically connected with an above-mentioned shift unit；
The first end of above-mentioned first phase inverter is electrically connected with above-mentioned control signal wire, the second end of above-mentioned first phase inverter respectively with it is each
The first end electrical connection of above-mentioned first signaling control unit；Second end of above-mentioned first signaling control unit and above-mentioned shift unit electricity
Connection, the 3rd end of above-mentioned first signaling control unit is electrically connected with above-mentioned scan line；In the touch-control stage in frame period, above-mentioned
Above-mentioned first signal control is transferred to after above-mentioned first control signal that one phase inverter transmits above-mentioned switch-over control signal end is anti-phase
Unit processed, above-mentioned first signaling control unit receives the signal of above-mentioned shift unit output and the signal of above-mentioned first phase inverter transmission
Afterwards so that scan line is hanging.
In some optional implementations of the present embodiment, above-mentioned control circuit can include：Multiple secondary signal controls
Unit processed, an above-mentioned secondary signal control unit is electrically connected with an above-mentioned shift unit；Above-mentioned secondary signal control unit
First end is electrically connected with above-mentioned control signal wire, and the second end of above-mentioned secondary signal control unit is electrically connected with above-mentioned shift unit,
3rd end of above-mentioned secondary signal control unit is electrically connected with above-mentioned scan line；In the touch-control stage in frame period, above-mentioned switching control
Above-mentioned first control signal that signal end processed is provided is transferred to above-mentioned secondary signal control unit, above-mentioned secondary signal control unit
Receive after above-mentioned first control signal of above-mentioned switch-over control signal end offer and the signal of above-mentioned shift unit output so that above-mentioned
Scan line is hanging.
Present invention also provides a kind of display device, as shown in Figure 10, the display device includes touching for the various embodiments described above
Display panel is controlled, can be mobile phone, panel computer, wearable device etc..It is appreciated that display device can also include encapsulation
Structure known to film, protective glass etc., here is omitted.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved 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 not departing from foregoing invention design, is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical schemes formed by any combination.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical characteristic of energy carries out technical scheme formed by replacement mutually.
Claims (12)
1. a kind of touch-control display panel, it is characterised in that the touch-control display panel includes：
Shift circuit, control signal wire, control circuit, multi-strip scanning line, a plurality of data lines, multiple touch-control driving electrodes, switching
Control signal end and switching control switch element；Wherein,
The switching control switch element includes multiple switching controls switch, and each switching control switch includes first end, the
Two ends and control end, the first end of each switching switch are electrically connected with a wherein data line, each switching control switch
The second end electrically connected with one of touch-control driving electrodes；
Each control end is electrically connected with the switch-over control signal end, during the touch-control in frame period, each switching control
System switch is used to turn under the control for the first control signal that the switch-over control signal end is exported, so that each touch-control drives
Moving electrode is electrically connected by switching control switch at least one described with data wire described at least one；
The shift circuit includes the shift unit of multiple cascades, and each shift unit includes input and output end, each shifting
Position device is exported to output end after being shifted for the signal for receiving input；
The control signal wire is electrically connected with the switch-over control signal end, for providing control signal for the control circuit；
The control circuit is used for the first control letter exported in the touch-control stage in frame period based on the switch-over control signal end
Number and the shift circuit output end signal so that the scan line is hanging, and is based in the display stage in frame period
The signal of second control signal of the switch-over control signal end output and the output end of the shift circuit, to the scan line
Scanning signal is provided.
2. touch-control display panel according to claim 1, it is characterised in that the switching control switch includes：
The first transistor, the first pole of the first transistor is electrically connected with the data wire, the grid of the first transistor
Electrically connected with the switch-over control signal end, the second pole of the first transistor is electrically connected with the touch-control driving electrodes.
3. touch-control display panel according to claim 1, it is characterised in that the control circuit includes：
One the first phase inverter and the first signaling control unit of multiple cascades, first signaling control unit and one
The shift unit electrical connection；
The first end of first phase inverter is electrically connected with the control signal wire, the second end of first phase inverter respectively with
The first end electrical connection of each first signaling control unit；
Second end of first signaling control unit is electrically connected with the shift unit, and the 3rd of first signaling control unit the
End is electrically connected with the scan line.
4. touch-control display panel according to claim 3, it is characterised in that first signaling control unit includes：
Transistor seconds, third transistor and the 4th transistor；
First pole of the transistor seconds is electrically connected with first voltage end, and the grid of the transistor seconds is moved with described respectively
Position device and the electrical connection of the grid of the third transistor, the second pole of the transistor seconds respectively with the scan line and described
The first pole electrical connection of third transistor；
Second pole of the third transistor is electrically connected with the first pole of the 4th transistor；
The grid of 4th transistor is electrically connected with the second end of first phase inverter, the second pole of the 4th transistor
Electrically connected with second voltage end；
Wherein, the third transistor, the 4th transistor are identical with the channel type of the first transistor, the transistor seconds and
The channel type of third transistor is different.
5. touch-control display panel according to claim 1, it is characterised in that the control circuit includes：
Multiple secondary signal control units, a secondary signal control unit is electrically connected with a shift unit；
The first end of the secondary signal control unit is electrically connected with the control signal wire, the secondary signal control unit
Second end is electrically connected with the shift unit, and the 3rd end of the secondary signal control unit is electrically connected with the scan line.
6. touch-control display panel according to claim 5, it is characterised in that the secondary signal control unit includes：
5th transistor, the 6th transistor, the second phase inverter and nor gate；
First pole of the 5th transistor is electrically connected with first voltage end, the grid of the 5th transistor and described second anti-
The first pole electrical connection of phase device, the second pole of the 5th transistor respectively with the scan line and the 6th transistor the
One pole is electrically connected；
The grid of 6th transistor is electrically connected with the first pole of the nor gate, the second pole of the 6th transistor and the
Two voltage ends are electrically connected；
Second pole of second pole of second phase inverter respectively with the shift unit and the nor gate is electrically connected；
3rd pole of the nor gate is electrically connected with the switch-over control signal end；
The channel type of 5th transistor and the 6th transistor is different；The raceway groove of 6th transistor and the first transistor
Type is identical.
7. the touch-control display panel according to claim 3 or 5, it is characterised in that the touch-control display panel also includes：
Integrated drive electronics and touching signals line；
In the touch-control stage, the integrated drive electronics provides touch-control drive signal for the touching signals line, and is the switching
Control signal end provides the first control signal；
In the display stage, the integrated drive electronics is respectively the data wire and touching signals line provides data-signal and public
Signal, and provide the second control signal for the switch-over control signal end.
8. touch-control display panel according to claim 1, it is characterised in that the touch-control display panel also includes：
Touch-control sensing electrode, the touch-control sensing electrode extends in a second direction, each touch-control sensing electrode in the first direction
Arrangement；
The first direction intersects with the second direction.
9. a kind of driving method, applied to touch-control display panel as claimed in claim 1, it is characterised in that the driving side
Method includes：
In the display stage in frame period, the second control signal that the control circuit is exported based on the switch-over control signal end and
The signal of the output end of the shift circuit provides scanning signal to the scan line；
In the touch-control stage in frame period, each switching control switch that the switching control switch element is included is in the switching control
Turned under the control of first control signal of signal end output processed, each touch-control driving electrodes and data described at least one
Line is connected, the first control signal and the output end of the shift circuit that control circuit is exported based on the switch-over control signal end
Signal so that the scan line is hanging.
10. driving method as claimed in claim 9, it is characterised in that the control circuit includes：
One the first phase inverter and the first signaling control unit of multiple cascades, first signaling control unit and one
The shift unit electrical connection；
The first end of first phase inverter is electrically connected with the control signal wire, the second end of first phase inverter respectively with
The first end electrical connection of each first signaling control unit；
Second end of first signaling control unit is electrically connected with the shift unit, and the 3rd of first signaling control unit the
End is electrically connected with the scan line；
In the touch-control stage in frame period, first phase inverter believes first control that the switch-over control signal end is transmitted
First signaling control unit is transferred to after number anti-phase, first signaling control unit receives the letter of the shift unit output
Number and first phase inverter transmit signal after so that scan line is hanging.
11. driving method as claimed in claim 9, it is characterised in that the control circuit includes：
Multiple secondary signal control units, a secondary signal control unit is electrically connected with a shift unit；
The first end of the secondary signal control unit is electrically connected with the control signal wire, the secondary signal control unit
Second end is electrically connected with the shift unit, and the 3rd end of the secondary signal control unit is electrically connected with the scan line；
In the touch-control stage in frame period, first control signal that the switch-over control signal end is provided is transferred to described second
Signaling control unit, the secondary signal control unit receives first control signal that the switch-over control signal end is provided
After the signal exported with the shift unit so that the scan line is hanging.
12. a kind of display device, it is characterised in that including the touch-control display panel as described in claim 1-8 is any.
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| CN201710202822.1A CN106959781B (en) | 2017-03-30 | 2017-03-30 | Touch display panel, driving method and touch display device |
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|---|---|---|---|
| CN201710202822.1A CN106959781B (en) | 2017-03-30 | 2017-03-30 | Touch display panel, driving method and touch display device |
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| WO2023019651A1 (en) * | 2021-08-19 | 2023-02-23 | 武汉华星光电半导体显示技术有限公司 | Display panel and display apparatus |
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