CN106201086A - Embedded touch control panel and driving method, touch control display - Google Patents
Embedded touch control panel and driving method, touch control display Download PDFInfo
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- CN106201086A CN106201086A CN201610546561.0A CN201610546561A CN106201086A CN 106201086 A CN106201086 A CN 106201086A CN 201610546561 A CN201610546561 A CN 201610546561A CN 106201086 A CN106201086 A CN 106201086A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
Abstract
The invention discloses a kind of embedded touch control panel and driving method, touch control display, by setting up detecting unit, in touch-control stage detecting real-time pixel electrode variable quantity the output of mating gate line, source electrode line, thus ensure that gate line, source electrode line are consistent with the fluctuation amplitude of pixel electrode end, reduce gate line, the source electrode line coupling to pixel electrode, reach to improve display and the purpose of touch quality, solve display and the bad problem of touch-control that existing In-cell touch panel caused owing to entirely driving in the touch-control stage.
Description
Technical field
The present invention relates to technical field of touch-control display, especially relate to a kind of embedded touch control panel and driving method thereof,
Touch control display.
Background technology
Along with developing rapidly of Display Technique, contact panel (Touch Panel) has been widely used in mobile phone, has put down
In the various electronic products such as plate computer.At present, contact panel can be divided into according to composition structure: external hanging touch panel (Add
On Mode Touch Panel) and embedded touch control panel (In Cell Touch Panel).Wherein, external hanging type touch surface
Plate is separately to be produced with LCDs (Liquid Crystal Display, LCD) by contact panel, then fits to together
Becoming the LCDs with touch function, there is the shortcomings such as cost of manufacture is higher, light transmission rate is relatively low, module is thicker in it.
And the touch control electrode of contact panel is embedded in inside LCDs by embedded touch control panel, can be with the thickness of thinning module entirety
Degree, light transmission is good, Stability Analysis of Structures, can be substantially reduced again the cost of manufacture of contact panel, is favored by Ge great panel producer.
At present, existing embedded touch control panel is to utilize the principle of mutual capacitance or self-capacitance to realize detection finger to touch position
Put.With reference to Fig. 1, common electric voltage indium tin oxide conductive film schematic diagram in prior art.As a example by self-capacitance, common way
It is to be divided into regularly arranged ITO Pad as the sensing of touch-control sensing common electric voltage indium tin oxide (ITO) conductive film
Pad (Sensor Pad).When showing stage (Display term), ITO Pad uses as general public electrode, public
Electrode provides common electric voltage for corresponding pixel PX.When touch-control stage (TP term), touch scanning signals is applied to public
On electrode, ITO Pad is as from from the sensing pad received.
With reference to Fig. 2-3, the bogie composition of the pixel during wherein Fig. 2 is existing embedded touch control panel, Fig. 3 is existing
The driver' s timing figure of embedded touch control panel.In Fig. 2, by line direction extend for gate lines G i, extend in column direction is
Source electrode line Sj；Each pixel PX includes switch element T, liquid crystal capacitor LC.Switch element T is disposed in gate lines G i and source electrode
Intersection between line Sj, switch element T can be thin film transistor (TFT) (TFT).Switch element T includes being connected to gate lines G i
Control end, be connected to the input of source electrode line Sj and be connected to the outfan of liquid crystal capacitor LC.Each pixel PX includes picture
Element electrode (not shown), this pixel electrode is connected to the outfan (diagram A end) of switch element T.The liquid crystal capacitor LC other end
It is connected to common electrical pressure side (Vcom end).
When showing the stage, gate lines G i controls opening and closing of switch element T, and source electrode line Sj is for liquid crystal capacitance
Device LC charges, and Vcom end is a DC level, and it is as voltage reference, by control between pixel electrode and Vcom end across
Pressure, i.e. cross-pressure between A end and Vcom end controls the angle of liquid crystal deflection, thus the picture needed for display.In the touch-control stage
Time, Vcom end be an amplitude be the AC signal of 5V, for preventing owing to gate lines G i and source electrode line Sj are to Vcom end and pixel
Display and touch-control effect are impacted by the coupling effect of electrode A end, and gate lines G i and source electrode line Sj also can be that an amplitude is
The AC signal of 5V, we term it entirely drive.
Ideally, when the touch-control stage, when the fluctuation that Vcom end has amplitude to be 5V, owing to pixel electrode A end is
Floating (Floating) state, its fluctuation being 5V fluctuation as well as the amplitude of Vcom end and having amplitude to be 5V accordingly, phase
Gate lines G i answered and source electrode line Sj can be also the AC signal of 5V for amplitude, ensure display effect and touch-control effect not with this
Become.But in practical work process, due to liquid crystal cannot Economical Purification, so its characteristic will not be as good in real capacitance characteristic, and
Coupling effect is there is between circuit；So pixel electrode A end can't be the fluctuation of 5V and same along with Vcom end amplitude completely
The amplitude that has be 5V fluctuation, and may only have amplitude is the fluctuation between 4.5～4.8V.But now gate lines G i and source electrode line
Sj is directly to be exported by the control end that integrated circuit (IC) is internal, so its fluctuation is still that amplitude is 5V, causes grid with this
Line Gi and source electrode line Sj is inconsistent with the scope range of the fluctuation of voltage of pixel electrode A end, so that gate lines G i and source electrode line
Sj is heavier to the coupling of pixel electrode, causes display and touch-control bad.
Accordingly, it would be desirable to existing embedded touch control panel is improved, exist solving existing embedded touch control panel
The display caused owing to entirely driving during the touch-control stage and the bad problem of touch-control.
Summary of the invention
It is an object of the invention to, it is provided that a kind of embedded touch control panel and driving method, touch control display, with to existing
Some embedded touch control panels improve, and solve existing embedded touch control panel and cause owing to entirely driving when the touch-control stage
Display and the bad problem of touch-control.
For achieving the above object, the invention provides a kind of embedded touch control panel, including: the grid extended by line direction
Line and the source electrode line extended in column direction, and described gate line and described source electrode line arranged in a crossed manner；Switch element, described switch
Element is arranged at described gate line and the infall of described source electrode line, and the control end of described switch element connects described grid
Line, input connect described source electrode line, outfan is connected to pixel electrode end；Detecting unit, the input of described detecting unit
Connecting described pixel electrode end, the outfan of described detecting unit is respectively connecting to the control end of described gate line and described source
The control end of polar curve；In the touch-control stage, the voltage variety of pixel electrode end described in described detecting unit detecting real-time, and feed back
To control end and the control end of described source electrode line of described gate line, the control end of described gate line is according to described change in voltage
Amount controls the output of described gate line, and the end that controls of described source electrode line controls the defeated of described source electrode line according to described voltage variety
Go out, make described gate line keep consistent with described source electrode line with the voltage variety of pixel electrode end.
For achieving the above object, present invention also offers a kind of touch control display, including of the present invention embedded tactile
Control panel.
For achieving the above object, present invention also offers the driving method of a kind of embedded touch control panel, described embedded
Contact panel includes the gate line extended by line direction and extends in column direction and the source electrode line arranged in a crossed manner with gate line, if
It is placed in described gate line and the infall of described source electrode line and controls the end described gate line of connection, the input described source electrode of connection
Line, outfan are connected to the switch element of pixel electrode end, and input connects described pixel electrode end, outfan connects respectively
It is connected to the detecting unit controlling end controlling end and described source electrode line of described gate line；Described driving method includes: touching
In the control stage, utilize the voltage variety of pixel electrode end described in described detecting unit detecting real-time, and feed back to described gate line
Control end and the control end of described source electrode line；The control end of described gate line controls described grid according to described voltage variety
The output of polar curve, the end that controls of described source electrode line controls the output of described source electrode line, makes described grid according to described voltage variety
Polar curve keeps consistent with described source electrode line with the voltage variety of pixel electrode end.
It is an advantage of the current invention that by setting up detecting unit, at touch-control stage detecting real-time pixel electrode variable quantity also
Coupling gate line, the output of source electrode line, thus ensure that gate line, source electrode line are consistent with the fluctuation amplitude of pixel electrode end, reduce
Gate line, the source electrode line coupling to pixel electrode, reach to improve the purpose of display and touch quality, solve existing embedded
Display that touch screen caused owing to entirely driving in the touch-control stage and the bad problem of touch-control.
Accompanying drawing explanation
Fig. 1, common electric voltage indium tin oxide conductive film schematic diagram in prior art；
Fig. 2, the bogie composition of the pixel in existing embedded touch control panel；
Fig. 3, the driver' s timing figure of existing embedded touch control panel；
Fig. 4, the structural representation of embedded touch control panel one embodiment of the present invention；
Fig. 5, the flow chart of embedded touch control panel driving method one embodiment of the present invention.
Detailed description of the invention
The embedded touch control panel provided the present invention below in conjunction with the accompanying drawings and driving method, touch control display work are in detail
Explanation.
With reference to Fig. 4, the structural representation of embedded touch control panel one embodiment of the present invention.Described is embedded tactile
Control panel includes: by gate lines G 1-Gm and the source electrode line S1-Sn extended in column direction of line direction extension, be connected to gate line
Multiple pixels PX with source electrode line and pressing array arrangement and detecting unit.Gate lines G 1-Gm is parallel to each other, source electrode line S1-Sn
Parallel to each other, and gate lines G 1-Gm and source electrode line S1-Sn arranged in a crossed manner；Each pixel PX includes: pixel electrode, be connected to phase
Answer gate line and respective sources polar curve and the switch element of respective pixel electrode tip and be connected to the liquid crystal electricity of this switch element
Container；Detecting unit can be a voltage-sensor；Detecting unit can be one, for detecting the pixel electricity of all pixels PX
Extreme voltage variety；Detecting unit can also be multiple, for detecting the electricity of the pixel electrode end of each pixel PX respectively
Pressure variable quantity.In Fig. 4, being diagrammatically only by property shows gate lines G i and source electrode line Sj, pixel PX and detects accordingly
Survey unit 41.
Gate lines G i is pressed line direction and is extended, and source electrode line Sj extends in column direction, and gate lines G i and source electrode line Sj intersection set
Put.
Each pixel PX includes switch element T, liquid crystal capacitor LC and pixel electrode (not shown).Switch element T sets
It is placed in gate lines G i and the infall of source electrode line Sj, and the control end of switch element T connects gate lines G i, input connects source electrode
Line Sj, outfan are connected to pixel electrode end A.Switch element T can be thin film transistor (TFT) (TFT), the grid of thin film transistor (TFT)
Be connected to gate lines G i, source electrode is connected to source electrode line Sj, drain electrode is connected to pixel electrode end A.Liquid crystal capacitor LC one end connects
It is connected to common electrical pressure side Vcom to pixel electrode end A, the other end.
The input of detecting unit 41 connects pixel electrode end A, outfan be respectively connecting to the control end of gate lines G i with
And the control end of source electrode line Sj.Wherein, detecting unit 41 can be integrated in integrated circuit (IC) inside.
When showing the stage, detecting unit 41 does not starts；Contact panel working method without modification, i.e. with conventional touch surface
Plate working method is identical.
In the touch-control stage, the voltage variety δ t of detecting unit 41 detecting real-time pixel electrode end A, and feed back to gate line
Gi controls end and the control end of source electrode line Sj；The control end of gate lines G i is according to voltage variety δ t control gate polar curve Gi's
Output, source electrode line Sj controls the output that end controls source electrode line Sj according to voltage variety δ t, makes gate lines G i and source electrode line Sj
Keep consistent with the voltage variety of pixel electrode end A.
Particularly as follows: after entering the touch-control stage, detecting unit 41 starts and the voltage variety of detecting real-time pixel electrode end A
δ t, and δ t feeds back to the control end of gate lines G i, source electrode line Sj, gate lines G i, the control end of source electrode line Sj obtain after δ t just
Meeting control gate polar curve Gi, the fluctuation amplitude that entirely drives of source electrode line Sj are δ t the most simultaneously, thus ensure gate lines G i, source electrode line Sj and picture
The fluctuation amplitude of element electrode tip A is consistent, reduces gate lines G i, the source electrode line Sj coupling to pixel electrode with this, reaches to improve
Display and the purpose of touch quality.
Present invention also offers a kind of touch control display, described touch control display includes of the present invention embedded tactile
Control panel.Use the touch control display of embedded touch control panel of the present invention, by detecting pixel electrode variable quantity and
Join the output of gate line, source electrode line, improve the mode that embedded touch control panel drives entirely, solve existing In-cell touch panel and exist
Display that the touch-control stage causes owing to entirely driving and the bad problem of touch-control.
With reference to Fig. 5, the flow chart of embedded touch control panel driving method one embodiment of the present invention.Described embedded
Contact panel includes gate lines G 1-Gm extended by line direction and extends in column direction and arranged in a crossed manner with gate lines G 1-Gm
Source electrode line S1-Sn, be arranged at gate lines G 1-Gm and the infall of source electrode line S1-Sn and control end connect gate line, input
Connection source electrode line, outfan are connected to the switch element of pixel electrode end, and input connects pixel electrode end, outfan divides
It is not connected to the detecting unit controlling end controlling end and source electrode line of gate line.
Particularly as follows: gate lines G 1-Gm is parallel to each other, source electrode line S1-Sn is parallel to each other, and gate lines G 1-Gm and source electrode line
S1-Sn is arranged in a crossed manner.Multiple pixels PX are connected to gate line and source electrode line and arrange by array, and each pixel PX includes: pixel
Electrode, it is connected to respective gates line and respective sources polar curve and the switch element of respective pixel electrode tip and is connected to this and opens
Close the liquid crystal capacitor of element.Switch element T is arranged at gate lines G i and the infall of source electrode line Sj, and the control of switch element T
End processed connects gate lines G i, input connects source electrode line Sj, outfan is connected to pixel electrode end A.Switch element T can be thin
Film transistor (TFT), the grid of thin film transistor (TFT) is connected to gate lines G i, source electrode is connected to source electrode line Sj, drain electrode is connected to picture
Element electrode tip A.Liquid crystal capacitor LC one end is connected to pixel electrode end A, the other end is connected to common electrical pressure side Vcom.Detecting is single
The input connection pixel electrode end A of unit, outfan are respectively connecting to control end and the control of source electrode line Sj of gate lines G i
End；Wherein, detecting unit can be integrated in integrated circuit (IC) inside；Detecting unit can be one, is used for detecting all pictures
The voltage variety of the pixel electrode end of element PX；Detecting unit can also be multiple, for detecting the picture of each pixel PX respectively
The voltage variety of element electrode tip.
Embedded touch control panel driving method of the present invention comprises the steps: S51: in the touch-control stage, utilization is detectd
Survey the voltage variety of unit detecting real-time pixel electrode end, and feed back to control end and the control of source electrode line of gate line
End；The output controlling end foundation voltage variety control gate polar curve of S52: gate line, the control end of source electrode line becomes according to voltage
Change amount controls the output of source electrode line, makes gate line keep consistent with source electrode line with the voltage variety of pixel electrode end；Hereinafter give
Go out to explain in detail.
S51: in the touch-control stage, utilizes the voltage variety of detecting unit detecting real-time pixel electrode end, and feeds back to grid
The control end of polar curve and the control end of source electrode line.
Namely: after entering the touch-control stage, detecting unit 41 starts and the voltage variety δ of detecting real-time pixel electrode end A
T, and δ t is fed back to the control end of gate lines G i, source electrode line Sj.
The output controlling end foundation voltage variety control gate polar curve of S52: gate line, the control end of source electrode line is according to electricity
Pressure variable quantity controls the output of source electrode line, makes gate line keep consistent with source electrode line with the voltage variety of pixel electrode end.
Namely: after gate lines G i, the control end of source electrode line Sj obtain δ t, respectively control gate polar curve Gi, source electrode line Sj defeated
Go out so that it is keep consistent with the voltage variety of pixel electrode end A；I.e. gate lines G i, the fluctuation of source electrode line Sj are also δ t, thus
Reduce gate lines G i, the source electrode line Sj coupling to pixel electrode, reach to improve the purpose of display and touch quality.
It is specifically as follows: gate lines G i, the control end of source electrode line Sj will control gate polar curve Gi, source electrode line Sj after obtaining δ t
Entirely drive fluctuation amplitude the most simultaneously for δ t, thus ensure the fluctuation amplitude one of gate lines G i, source electrode line Sj and pixel electrode end A
Cause, reduce gate lines G i, the source electrode line Sj coupling to pixel electrode with this, reach to improve the purpose of display and touch quality.
Wherein, may further include S50 before step S51: when showing the stage, detecting unit does not starts.That is,
During the display stage, contact panel working method is without modification, i.e. identical with conventional contact panel working method.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (11)
1. an embedded touch control panel, it is characterised in that including:
The gate line extended by line direction and the source electrode line that extends in column direction, and described gate line and described source electrode line intersect
Arrange；
Switch element, described switch element is arranged at described gate line and the infall of described source electrode line, and described switch element
Control end connect described gate line, input connects described source electrode line, outfan and is connected to pixel electrode end；
Detecting unit, the input of described detecting unit connects described pixel electrode end, and the outfan of described detecting unit is respectively
Be connected to described gate line controls end and the control end of described source electrode line；
In the touch-control stage, the voltage variety of pixel electrode end described in described detecting unit detecting real-time, and feed back to described grid
The control end of polar curve and the control end of described source electrode line, the control end of described gate line controls institute according to described voltage variety
Stating the output of gate line, the end that controls of described source electrode line controls the output of described source electrode line according to described voltage variety, makes institute
State gate line and keep consistent with described source electrode line with the voltage variety of pixel electrode end.
2. embedded touch control panel as claimed in claim 1, it is characterised in that the control end of described gate line receives described electricity
The fluctuation amplitude that entirely drives controlling described gate line after pressure variable quantity is described voltage variety, and the control end of described source electrode line receives
The fluctuation amplitude that entirely drives controlling described source electrode line after described voltage variety is described voltage variety.
3. embedded touch control panel as claimed in claim 1, it is characterised in that when showing the stage, described detecting unit is not
Start.
4. embedded touch control panel as claimed in claim 1, it is characterised in that described detecting unit is integrated in integrated circuit
Portion.
5. embedded touch control panel as claimed in claim 1, it is characterised in that described switch element is thin film transistor (TFT), institute
The grid stating thin film transistor (TFT) is connected to described gate line, and the source electrode of described thin film transistor (TFT) is connected to described source electrode line, described
The drain electrode of thin film transistor (TFT) is connected to pixel electrode end.
6. a touch control display, it is characterised in that include the embedded touch control panel described in any one of claim 1-5.
7. the driving method of an embedded touch control panel, it is characterised in that described embedded touch control panel includes by line direction
The gate line that extends and extending in column direction and the source electrode line arranged in a crossed manner with gate line, is arranged at described gate line and described
Infall and the control end of source electrode line connect described gate line, input connects described source electrode line, outfan is connected to pixel electricity
Extreme switch element, and input connects described pixel electrode end, outfan and is respectively connecting to the control of described gate line
End and the detecting unit controlling end of described source electrode line；Described driving method includes:
In the touch-control stage, utilize the voltage variety of pixel electrode end described in described detecting unit detecting real-time, and feed back to institute
That states gate line controls end and the control end of described source electrode line；
The end that controls of described gate line controls the output of described gate line, the control of described source electrode line according to described voltage variety
Hold the output controlling described source electrode line according to described voltage variety, make described gate line and described source electrode line and pixel electrode end
Voltage variety keep consistent.
8. driving method as claimed in claim 7, it is characterised in that the control end of described gate line is according to described change in voltage
Amount controls the output of described gate line, and the end that controls of described source electrode line controls the defeated of described source electrode line according to described voltage variety
Go out and be further: control described gate line after the control end described voltage variety of reception of described gate line drives fluctuation amplitude entirely
For described voltage variety, control described source electrode line after the control end described voltage variety of reception of described source electrode line drives ripple entirely
Dynamic amplitude is described voltage variety.
9. driving method as claimed in claim 7, it is characterised in that when showing the stage, described detecting unit does not starts.
10. driving method as claimed in claim 7, it is characterised in that described detecting unit is integrated in IC interior.
11. driving methods as claimed in claim 7, it is characterised in that described switch element is thin film transistor (TFT), described thin film
The grid of transistor is connected to described gate line, and the source electrode of described thin film transistor (TFT) is connected to described source electrode line, and described thin film is brilliant
The drain electrode of body pipe is connected to pixel electrode end.
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| CN201610546561.0A CN106201086B (en) | 2016-07-13 | 2016-07-13 | Embedded touch control panel and its driving method, touch control display |
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| US20110193842A1 (en) * | 2010-02-11 | 2011-08-11 | Au Optronics Corporation | Liquid crystal display and methods of driving same |
| CN103677378A (en) * | 2012-09-26 | 2014-03-26 | 群康科技(深圳)有限公司 | Embedded type touch displayer and electronic device provided with embedded type touch displayer |
| CN103677420A (en) * | 2013-12-17 | 2014-03-26 | 合肥京东方光电科技有限公司 | Touch control unit, array substrate, display device and touch control method |
| WO2014169520A1 (en) * | 2013-04-16 | 2014-10-23 | 北京京东方光电科技有限公司 | Capacitor touch array substrate, touch display screen and driving method therefor |
| CN104678628A (en) * | 2013-11-26 | 2015-06-03 | 瀚宇彩晶股份有限公司 | Embedded touch display panel and drive method thereof |
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2016
- 2016-07-13 CN CN201610546561.0A patent/CN106201086B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110193842A1 (en) * | 2010-02-11 | 2011-08-11 | Au Optronics Corporation | Liquid crystal display and methods of driving same |
| CN103677378A (en) * | 2012-09-26 | 2014-03-26 | 群康科技(深圳)有限公司 | Embedded type touch displayer and electronic device provided with embedded type touch displayer |
| WO2014169520A1 (en) * | 2013-04-16 | 2014-10-23 | 北京京东方光电科技有限公司 | Capacitor touch array substrate, touch display screen and driving method therefor |
| CN104678628A (en) * | 2013-11-26 | 2015-06-03 | 瀚宇彩晶股份有限公司 | Embedded touch display panel and drive method thereof |
| CN103677420A (en) * | 2013-12-17 | 2014-03-26 | 合肥京东方光电科技有限公司 | Touch control unit, array substrate, display device and touch control method |
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