CN106201086B - Embedded touch control panel and its driving method, touch control display - Google Patents
Embedded touch control panel and its driving method, touch control display Download PDFInfo
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- CN106201086B CN106201086B CN201610546561.0A CN201610546561A CN106201086B CN 106201086 B CN106201086 B CN 106201086B CN 201610546561 A CN201610546561 A CN 201610546561A CN 106201086 B CN106201086 B CN 106201086B
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- 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
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a kind of embedded touch control panel and its driving methods, touch control display, by adding detecting unit, in touch-control stage detecting real-time pixel electrode variable quantity and match the output of grid line, source electrode line, to guarantee that grid line, source electrode line are consistent with the fluctuation amplitude at pixel electrode end, reduce the coupling of grid line, source electrode line to pixel electrode, achieve the purpose that improve display and touch quality, solve the problems, such as existing In-cell touch panel the touch-control stage due to caused by driving entirely show and touch-control it is bad.
Description
Technical field
The present invention relates to technical field of touch-control display, more particularly, to a kind of embedded touch control panel and its driving method,
Touch control display.
Background technique
With the rapid development of display technology, touch panel (Touch Panel) has been widely used in mobile phone, has put down
In the various electronic products such as plate computer.Currently, touch panel can be divided into according to composed 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 produce touch panel and liquid crystal display (Liquid Crystal Display, LCD), is then fitted to together
As the liquid crystal display with touch function, there are costs of manufacture it is higher, light transmission rate is lower, mould group is thicker the disadvantages of.
And the touch control electrode of touch panel is embedded in inside liquid crystal display by embedded touch control panel, and the thickness of mould group entirety can be thinned
Degree, translucency is good, stable structure, and can substantially reduce the cost of manufacture of touch panel, is favored by major panel producer.
Currently, existing embedded touch control panel is to realize that detection finger touches position using the principle of mutual capacitance or self-capacitance
It sets.With reference to Fig. 1, common voltage indium tin oxide conductive film schematic diagram in the prior art.By taking self-capacitance as an example, common way
It is to be divided into regularly arranged ITO Pad as the induction of touch-control sensing common voltage indium tin oxide (ITO) conductive film
It pads (Sensor Pad).When showing stage (Display term), ITO Pad is used as general public electrode, public
Electrode provides common voltage for corresponding pixel PX.At touch-control stage (TP term), touch scanning signals are applied to public
On electrode, ITO Pad is as from from the sensing pad received.
With reference to Fig. 2-3, wherein Fig. 2 is the driving architecture diagram of the pixel in existing embedded touch control panel, and Fig. 3 is existing
Embedded touch control panel driver' s timing figure.In Fig. 2, it is gate lines G i by line direction extension, extends in column direction and be
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 terminal, the input terminal for being connected to source electrode line Sj and the output end for being connected to liquid crystal capacitor LC.Each pixel PX includes picture
Plain electrode (not shown), the pixel electrode are connected to the output end (the diagram end A) of switch element T.The liquid crystal capacitor LC other end
It is connected to common voltage terminal (end Vcom).
At the stage of display, gate lines G i control switch element T's is on and off, and source electrode line Sj is used for liquid crystal capacitance
Device LC charging, the end Vcom be a DC level, be used as voltage reference, by control pixel electrode and the end Vcom between across
Pressure, i.e. cross-pressure between the end A and the end Vcom control the angle of liquid crystal deflection, thus picture needed for display.In the touch-control stage
When, the end Vcom is the AC signal that an amplitude is 5V, to prevent since gate lines G i and source electrode line Sj are to the end Vcom and pixel
The coupling effect at electrode A end impacts display and touch-control effect, and gate lines G i and source electrode line Sj also can be for an amplitude
The AC signal of 5V drives we term it complete.
Ideally, at the touch-control stage, when it is the fluctuation of 5V that, which there is amplitude at the end Vcom, since the end pixel electrode A is
Floating (Floating) state also can be 5V fluctuation with the amplitude at the end Vcom and have the fluctuation that amplitude is 5V accordingly, phase
The gate lines G i and source electrode line Sj answered also can be the AC signal that amplitude is 5V, guarantee display effect and touch-control effect not with this
Become.However in practical work process, due to liquid crystal can not Economical Purification, so its characteristic will not be as good such as real capacitance characteristic, and
There are coupling effects between circuit；So the end pixel electrode A can't be completely same with the fluctuation that the end Vcom amplitude is 5V
Have amplitude for 5V fluctuation, and may there was only fluctuation of the amplitude between 4.5~4.8V.But gate lines G i and source electrode line at this time
Sj is directly exported by the internal control terminal of integrated circuit (IC), so it is 5V that its fluctuation, which is still amplitude, leads to grid with this
The scope range of the fluctuation of voltage at the end line Gi and source electrode line Sj and pixel electrode A is inconsistent, 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.
Therefore, it is necessary to improve to existing embedded touch control panel, existed with solving existing embedded touch control panel
Due to display and the bad problem of touch-control caused by driving full when the touch-control stage.
Summary of the invention
The object of the present invention is to provide a kind of embedded touch control panel and its driving methods, touch control display, to existing
Some embedded touch control panels are improved, and solving existing embedded touch control panel causes at the touch-control stage due to driving entirely
Display and the bad problem of touch-control.
To achieve the above object, the present invention provides a kind of embedded touch control panels, comprising: the grid extended by line direction
Line and the source electrode line extended in column direction, and the grid line and the source electrode line are arranged in a crossed manner；Switch element, the switch
Element is set to the infall of the grid line and the source electrode line, and the control terminal of the switch element connects the grid
Line, input terminal connect the source electrode line, output end is connected to pixel electrode end；Detecting unit, the input terminal of the detecting unit
Connect the pixel electrode end, the output end of the detecting unit be respectively connected to the grid line control terminal and the source
The control terminal of polar curve；In the touch-control stage, the voltage variety at pixel electrode end described in the detecting unit detecting real-time, and feed back
To the control terminal of the grid line and the control terminal of the source electrode line, the control terminal of the grid line is according to the voltage change
Amount controls the output of the grid line, and the control terminal of the source electrode line controls the defeated of the source electrode line according to the voltage variety
Out, the grid line and the source electrode line and the voltage variety at pixel electrode end are consistent.
To achieve the above object, the present invention also provides a kind of touch control displays, including embedded touching of the present invention
Control panel.
To achieve the above object, the present invention also provides a kind of driving methods of embedded touch control panel, described embedded
Touch panel includes the grid line extended by line direction and extends in column direction and the source electrode line arranged in a crossed manner with grid line, if
The grid line is placed in the infall of the source electrode line and control terminal connects the grid line, input terminal connects the source electrode
Line, output end are connected to the switch element at pixel electrode end and input terminal connects the pixel electrode end, output end connects respectively
It is connected to the detecting unit of the control terminal of the grid line and the control terminal of the source electrode line；The driving method includes: to touch
The control stage using the voltage variety at pixel electrode end described in the detecting unit detecting real-time, and feeds back to the grid line
Control terminal and the source electrode line control terminal；The control terminal of the grid line controls the grid according to the voltage variety
The output of polar curve, the control terminal of the source electrode line control the output of the source electrode line according to the voltage variety, make the grid
Polar curve and the source electrode line and the voltage variety at pixel electrode end are consistent.
It is an advantage of the current invention that by adding detecting unit, touch-control stage detecting real-time pixel electrode variable quantity simultaneously
The output of grid line, source electrode line is matched, to guarantee that grid line, source electrode line are consistent with the fluctuation amplitude at pixel electrode end, is reduced
The coupling of grid line, source electrode line to pixel electrode achievees the purpose that improve display and touch quality, solve existing embedded
Touch screen is in the touch-control stage due to display and the bad problem of touch-control caused by driving entirely.
Detailed description of the invention
Fig. 1, in the prior art common voltage indium tin oxide conductive film schematic diagram；
Fig. 2, the driving architecture diagram 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 schematic diagram of one embodiment of embedded touch control panel of the present invention；
Fig. 5, the flow chart of one embodiment of embedded touch control panel driving method of the present invention.
Specific embodiment
Embedded touch control panel provided by the invention and its driving method, touch control display are made with reference to the accompanying drawing detailed
Explanation.
With reference to Fig. 4, the structural schematic diagram of one embodiment of embedded touch control panel of the present invention.The embedded touching
Control panel include: by line direction extend gate lines G 1-Gm and in column direction extend source electrode line S1-Sn, be connected to grid line
With source electrode line and by the multiple pixel PX and detecting unit of array arrangement.Gate lines G 1-Gm is parallel to each other, source electrode line S1-Sn
It is parallel to each other, and gate lines G 1-Gm and source electrode line S1-Sn are arranged in a crossed manner；Each pixel PX includes: pixel electrode, is connected to phase
It answers the switch element of grid line and corresponding source electrode line and respective pixel electrode tip and is connected to the liquid crystal electricity of the 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 may be multiple, the electricity at the pixel electrode end for detecting each pixel PX respectively
Press variable quantity.A gate lines G i and source electrode line Sj, a pixel PX are only schematically illustrated in Fig. 4 and are accordingly detectd
Survey unit 41.
Gate lines G i is extended by line direction, and source electrode line Sj extends in column direction, and gate lines G i and source electrode line Sj intersection is set
It sets.
Each pixel PX includes switch element T, liquid crystal capacitor LC and pixel electrode (not shown).Switch element T is set
It is placed in the infall of gate lines G i and source electrode line Sj, and control terminal connection gate lines G i, the input terminal of switch element T connect source electrode
Line Sj, output end are connected to pixel electrode end A.Switch element T can be thin film transistor (TFT) (TFT), the grid of thin film transistor (TFT)
It is connected to gate lines G i, source electrode is connected to source electrode line Sj, drain electrode is connected to pixel electrode end A.The connection of the one end liquid crystal capacitor LC
Common voltage terminal Vcom is connected to pixel electrode end A, the other end.
Input terminal connection pixel electrode end A, the output end of detecting unit 41 be respectively connected to the control terminal of gate lines G i with
And the control terminal of source electrode line Sj.Wherein, detecting unit 41 can integrate internal in integrated circuit (IC).
At the stage of display, detecting unit 41 does not start；Touch 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 41 detecting real-time pixel electrode end A of detecting unit, and feed back to grid line
The control terminal of Gi and the control terminal of source electrode line Sj；The control terminal of gate lines G i is according to voltage variety δ t control grid line Gi's
Output, output of the control terminal of source electrode line Sj according to voltage variety δ t control source electrode line Sj, makes gate lines G i and source electrode line Sj
It is consistent with the voltage variety of pixel electrode end A.
Specifically: after entering the touch-control stage, the voltage variety of the starting of detecting unit 41 and detecting real-time pixel electrode end A
δ t, and δ t feeds back to the control terminal of gate lines G i, source electrode line Sj, gate lines G i, source electrode line Sj control terminal obtain after δ t just
The full drive fluctuation amplitude of grid line Gi, source electrode line Sj can be controlled also while for δ t, to guarantee gate lines G i, source electrode line Sj and picture
The fluctuation amplitude of plain electrode tip A is consistent, reduces the coupling of gate lines G i, source electrode line Sj to pixel electrode with this, reaches improvement
The purpose of display and touch quality.
The present invention also provides a kind of touch control display, the touch control display includes embedded touching of the present invention
Control panel.Using the touch control display of embedded touch control panel of the present invention, by detecting pixel electrode variable quantity and
Output with grid line, source electrode line improves the mode that embedded touch control panel drives entirely, solves existing In-cell touch panel and exists
The touch-control stage is due to display and the bad problem of touch-control caused by driving entirely.
With reference to Fig. 5, the flow chart of one embodiment of embedded touch control panel driving method of the present invention.It is described embedded
Touch panel include by line direction extend gate lines G 1-Gm and in column direction extend and with gate lines G 1-Gm it is arranged in a crossed manner
Source electrode line S1-Sn, be set to gate lines G 1-Gm with the infall of source electrode line S1-Sn and control terminal connect grid line, input terminal
Connection source electrode line, output end are connected to switch element and the input terminal connection pixel electrode end, output end point at pixel electrode end
It is not connected to the detecting unit of the control terminal of grid line and the control terminal of source electrode line.
Specifically: gate lines G 1-Gm is parallel to each other, and 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 pixel PX are connected to grid line and source electrode line and arrange by array, and each pixel PX includes: pixel
It electrode, the switch element for being connected to respective gates line and corresponding source electrode line and respective pixel electrode tip and is connected to this and opens
Close the liquid crystal capacitor of element.Switch element T is set to the infall of gate lines G i and source electrode line Sj, and the control of switch element T
End processed connects gate lines G i, input terminal connection source electrode line Sj, output end and 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
Plain electrode tip A.The one end liquid crystal capacitor LC is connected to pixel electrode end A, the other end is connected to common voltage terminal Vcom.Detecting is single
Input terminal connection pixel electrode end A, the output end of member are respectively connected to the control terminal of gate lines G i and the control of source electrode line Sj
End；Wherein, detecting unit can integrate internal in integrated circuit (IC)；Detecting unit can be one, for detecting all pictures
The voltage variety at the pixel electrode end of plain PX；Detecting unit may be it is multiple, for detecting the picture of each pixel PX respectively
The voltage variety of plain electrode tip.
Embedded touch control panel driving method of the present invention includes the following steps: S51: in the touch-control stage, using detecing
The voltage variety at unit detecting real-time pixel electrode end is surveyed, and feeds back to the control terminal of grid line and the control of source electrode line
End；S52: output of the control terminal of grid line according to voltage variety control grid line, the control terminal of source electrode line become according to voltage
Change amount controls the output of source electrode line, is consistent grid line and source electrode line and the voltage variety at pixel electrode end；It gives below
It explains in detail out.
S51: in the touch-control stage, using the voltage variety at detecting unit detecting real-time pixel electrode end, and grid are fed back to
The control terminal of polar curve and the control terminal of source electrode line.
Namely: after entering the touch-control stage, the voltage variety δ of the starting of detecting unit 41 and detecting real-time pixel electrode end A
T, and δ t is fed back to the control terminal of gate lines G i, source electrode line Sj.
S52: output of the control terminal of grid line according to voltage variety control grid line, the control terminal of source electrode line is according to electricity
The output for pressing variable quantity control source electrode line, is consistent grid line and source electrode line and the voltage variety at pixel electrode end.
Namely: gate lines G i, source electrode line Sj control terminal obtain δ t after, respectively control grid line Gi, source electrode line Sj it is defeated
Out, the voltage variety of itself and pixel electrode end A are consistent；That is the fluctuation of gate lines G i, source electrode line Sj are also δ t, thus
Reduce the coupling of gate lines G i, source electrode line Sj to pixel electrode, achievees the purpose that improve display and touch quality.
Be specifically as follows: gate lines G i, source electrode line Sj control terminal obtain δ t after will control grid line Gi, source electrode line Sj
Full drive fluctuation amplitude also simultaneously be δ t, to guarantee the fluctuation amplitude one of gate lines G i, source electrode line Sj Yu pixel electrode end A
It causes, the coupling of gate lines G i, source electrode line Sj to pixel electrode is reduced with this, achieve the purpose that improve display and touch quality.
Wherein, may further include S50 before step S51: at the stage of display, detecting unit does not start.That is,
When the display stage, touch panel working method is without modification, i.e., identical as conventional touch panel working method.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (9)
1. a kind of embedded touch control panel characterized by comprising
The grid line extended by line direction and the source electrode line extended in column direction, and the grid line and the source electrode line intersect
Setting；
Switch element, the switch element are set to the infall of the grid line and the source electrode line, and the switch element
Control terminal connect the grid line, input terminal connects the source electrode line, output end is connected to pixel electrode end, wherein described open
Pass element is thin film transistor (TFT), and the grid of the thin film transistor (TFT) is connected to the grid line, the source electrode of the thin film transistor (TFT)
It is connected to the source electrode line, the drain electrode of the thin film transistor (TFT) is connected to pixel electrode end；
Detecting unit, the input terminal of the detecting unit connect the pixel electrode end, the output end difference of the detecting unit
It is connected to the control terminal of the grid line and the control terminal of the source electrode line；
In the touch-control stage, the voltage variety at pixel electrode end described in the detecting unit detecting real-time, and feed back to the grid
The control terminal of the control terminal of the control terminal of polar curve and the source electrode line, the grid line controls institute according to the voltage variety
The output of grid line is stated, the control terminal of the source electrode line controls the output of the source electrode line according to the voltage variety, makes institute
It states grid line and the source electrode line and the voltage variety at pixel electrode end is consistent.
2. embedded touch control panel as described in claim 1, which is characterized in that the control terminal of the grid line receives the electricity
The full drive fluctuation amplitude that the grid line is controlled after pressure variable quantity is the voltage variety, and the control terminal of the source electrode line receives
The full drive fluctuation amplitude that the source electrode line is controlled after the voltage variety is the voltage variety.
3. embedded touch control panel as described in claim 1, which is characterized in that at the stage of display, the detecting unit is not
Starting.
4. embedded touch control panel as described in claim 1, which is characterized in that the detecting unit is integrated in integrated circuit
Portion.
5. a kind of touch control display, which is characterized in that including the described in any item embedded touch control panels of claim 1-4.
6. a kind of driving method of embedded touch control panel, which is characterized in that the embedded touch control panel includes pressing line direction
The grid line of extension and extend in column direction and the source electrode line arranged in a crossed manner with grid line, is set to the grid line and described
The infall and control terminal of source electrode line connect the grid line, input terminal connects the source electrode line, output end is connected to pixel electricity
Extreme switch element and input terminal connects the pixel electrode end, output end is respectively connected to the control of the grid line
The detecting unit of the control terminal of end and the source electrode line, wherein the switch element is thin film transistor (TFT), the film crystal
The grid of pipe is connected to the grid line, and the source electrode of the thin film transistor (TFT) is connected to the source electrode line, the thin film transistor (TFT)
Drain electrode be connected to pixel electrode end；The driving method includes:
In the touch-control stage, using the voltage variety at pixel electrode end described in the detecting unit detecting real-time, and institute is fed back to
State the control terminal of grid line and the control terminal of the source electrode line；
The control terminal of the grid line controls the output of the grid line, the control of the source electrode line according to the voltage variety
End controls the output of the source electrode line according to the voltage variety, makes the grid line and the source electrode line and pixel electrode end
Voltage variety be consistent.
7. driving method as claimed in claim 6, which is characterized in that the control terminal of the grid line is according to the voltage change
Amount controls the output of the grid line, and the control terminal of the source electrode line controls the defeated of the source electrode line according to the voltage variety
Out further are as follows: the control terminal of the grid line receives the full drive fluctuation amplitude that the grid line is controlled after the voltage variety
For the voltage variety, the control terminal of the source electrode line receives the full drive wave that the source electrode line is controlled after the voltage variety
Dynamic amplitude is the voltage variety.
8. driving method as claimed in claim 6, which is characterized in that at the stage of display, the detecting unit does not start.
9. driving method as claimed in claim 6, which is characterized in that the detecting unit is integrated in IC interior.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN104678628A (en) * | 2013-11-26 | 2015-06-03 | 瀚宇彩晶股份有限公司 | Embedded touch display panel and driving method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8411003B2 (en) * | 2010-02-11 | 2013-04-02 | Au Optronics Corporation | Liquid crystal display and methods of driving same |
| CN103257770B (en) * | 2013-04-16 | 2016-09-28 | 北京京东方光电科技有限公司 | A kind of capacitor touch array substrate, touch display screen and driving method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104678628A (en) * | 2013-11-26 | 2015-06-03 | 瀚宇彩晶股份有限公司 | Embedded touch display panel and driving 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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