CN104111745B - Driving method and system that the embedded multi-point touch-control panel of reduction influences on display picture - Google Patents
Driving method and system that the embedded multi-point touch-control panel of reduction influences on display picture Download PDFInfo
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Abstract
The present invention proposes a kind of driving method and system for reducing and embedding that multi-point touch-control panel influences on display picture, it provides a display drive signals to K bar raster data model lines and provides a display pixel signal to L bar source drive lines, to drive corresponding display transistor and electric capacity in each display picture frame, so as to perform display operation, and a touch-control drive signal is provided to N bars touch-control driving conductor lines, and by M bar sensor conductor lines in each touch-control picture frame, according to the touch-control drive signal, to sense a close exterior object；Wherein, the order for driving conductor lines there is provided the touch-control drive signal to N bars touch-control in each touch-control picture frame is differed.
Description
Technical field
The present invention relates to the technical field of contact panel, espespecially a kind of embedded multi-point touch-control panel of reduction is to display picture shadow
Loud driving method and system.
Background technology
The technical principle of contact panel is when finger or other media touch screen, according to different induction modes, sense
Voltage, electric current, sound wave or infrared ray etc. are surveyed, and then measures the coordinate position of touch point.Such as electric resistance touch-control panel is profit
Use, the potential difference between bottom electrode, to calculate where compression point position detects touch point.Capacitance type touch-control panel is to utilize
The capacitance variations produced by electrostatical binding between the transparency electrode and human body of arrangement, are detected from produced curtage
Its coordinate.
Existing touch control type planar display by contact panel and flat-panel screens directly carry out above and below overlapping.Because folded
The contact panel of conjunction is transparent panel, thus the image of flat-panel screens can penetrate the contact panel being superimposed on thereon and show
Show image, and the medium as input or interface by contact panel.But this existing technology, because in overlapping, must
The weight of a contact panel must be increased so that touch control type planar display weight significantly increases, and does not meet Vehicles Collected from Market pair
In the requirement that display is compact.And when directly overlapping contact panel and flat-panel screens, except adding contact panel sheet
The thickness of body, more reduces the penetrance of light, increase reflectivity and mist degree, the quality of screen display is had a greatly reduced quality.
For foregoing shortcoming, touch control type planar display is changed to use embedded type touch control technology.Embedded type touch control technology
Developing direction main at present can be divided into two kinds of technologies of On-Cell and In-Cell.On-Cell technologies are to touch projected capacitive
The induction electrode of control technology（Sensor）It is produced on panel color optical filter（Color Filter, CF）The back side（Attach inclined
Tabula rasa face）, it is integrated into the structure of colored filter.In-Cell technologies are then by induction electrode（Sensor）Insert LCD Cell
Structure among.Touch control component is incorporated within display panel by In Cell technologies so that display panel inherently possesses touch-control
Function, therefore the manufacturing process fitting or assemble with contact panel need not be additionally carried out.Embedded multi-point touch-control panel（In-
Cell Multi-Touch Panel）Technology is gradually ripe, and touch controllable function is directly incorporated in during the panel manufacturing, is not required to
Again plus one layer of touch-control glass, therefore the thinness of former panel can be maintained and then cost is reduced.
Fig. 1 is an existing embedded multi-point touch-control panel（In-Cell Multi-Touch Panel）System schematic.Such as
Shown in Fig. 1, it is made up of a display controller 110 and an embedded multi-point touch-control panel 130.Display controller 110 includes one
Touch the display driver 113 of controller 111 and one.
The display driver 113 exports rgb pixel signal to the embedded multi-point touch-control panel 130 and shown with performing image.
Meanwhile, touching controller 111 is via control signal or VCOM [1：N] signal output touch-control drive signal is to the embedded multi-point touch
Panel 130, and induced signal Sensing [1 is received by the embedded multi-point touch-control panel 130：M], to carry out touch sensing.
Fig. 2A to Fig. 2 C is the common electric voltage of existing embedded multi-point touch-control panel 130（VCOM）Layer drives showing for layer with touch-control
It is intended to.As shown in Figure 2 A, touch-control driving layer（Tx）Common electric voltage during with display（com）Layer is same layer.As shown in Figure 2 B, touch
Control driving layer（Tx）And common electric voltage during with display（com）Layer is set respectively, and layer is driven in touch-control（Tx）And common electric voltage
（com）Then there is sensing electrode layer between layer（Rx）.As shown in Figure 2 C, touch-control driving layer（Tx）And common electric voltage during with display
（com）Layer drives layer also to set respectively in touch-control（Tx）On then provided with induction electrode layer（Rx）.
As Fig. 2A mode by show when common electric voltage（com）The touch-control of layer and touch-control sensing drives layer（Tx）Share same
Layer of transparent electric conductor.Under such framework, display has to use common electric voltage with the mode of timesharing with touch-control sensing
（com）Conductor lines in layer, to avoid disturbing and then influence the display quality of touch-control sensing.But it is maintaining frame rates
On the premise of 60Hz, timesharing again allows display and touch sensing to use common electric voltage（com）Conductor lines in layer, display and touching
The time that sensing to use certainly will be rather narrow.Background technology is driven simultaneously by special driver' s timing to be shown and touching sense
Survey, what it was mainly utilized is the interval touch-control drive actions interval with touch sensing of the grid unlatching shown of having staggered, it is to avoid shown
Show with touch sensing while using the common electric voltage of same block（com）Conductor lines in layer.It is interior as shown in Fig. 2 B and Fig. 2 C
Embedding multi-point touch-control panel（In-Cell Multi-Touch Panel）Touch-control can not also be allowed to drive layer（Tx）And common electric voltage
（com）The shared same layer electric conductor of layer.Above-mentioned Fig. 2A, Fig. 2 B and Fig. 2 C panel constructions and driving method in theory can
Reach that display is not interfere with each other with touch sensing, picture is able to normally show.However, Fig. 2A, Fig. 2 B and Fig. 2 C panel constructions and drive
Dynamic method is in practical operation, and the action of the touch-control drive signal of Chang Yinwei touch sensings causes coupling, and then forms picture not
Regular perturbations.Therefore, the driving method of existing touch-control display panel still has improved space in fact.
The content of the invention
The purpose of the present invention, which is essentially consisted in, provides the reduction driving side that embedded multi-point touch-control panel influences on display picture
Method, reduces the interference to display picture, it is possible to save power supply.
According to the characteristic of the present invention, the present invention proposes what a kind of embedded multi-point touch-control panel of reduction influenceed on display picture
Driving method, the embedded multi-point touch-control panel has a tft layer, induction electrode layer and a common electric voltage and touch-control
Layer is driven, the tft layer has K bar raster data model lines and L bar source drive lines, and induction electrode layer has the sensing of M bars
There is N bars touch-control to drive conductor lines for conductor lines, the common electric voltage and touch-control driving layer, and K, L, N, M are positive integer, the driving method
Including：A display drive signals are provided to K bar raster data model lines and a display pixel signal are provided to L bar source drive lines, with
Corresponding display transistor and electric capacity are driven in each display picture frame, so as to perform display operation；One touch-control driving letter is provided
Number conductor lines are driven to N bars touch-control, and by M bar sensor conductor lines in each touch-control picture frame, according to the touch-control drive signal, with
Sense a close exterior object；Wherein, the touch-control picture frame is synchronous with the display picture frame, and the time width of the touch-control picture frame with
The time width of the display picture frame is identical, is led in each touch-control picture frame there is provided the touch-control drive signal to N bars touch-control driving
The order of body line is differed.
According to another characteristic of the present invention, the present invention proposes that a kind of embedded multi-point touch-control panel of reduction influences on display picture
System, it includes a touch control LCD (Liquid Crystal Display) panel and a touch-control display control subsystem.The touch control LCD (Liquid Crystal Display) panel has
One tft layer, induction electrode layer and a common electric voltage and touch-control driving layer, the tft layer have K bar grid
Pole drives line and L bar source drive lines, wherein, K, L are positive integer, and induction electrode layer has M bar sensor conductor lines, according to one
Touch-control drive signal, to sense a close exterior object, wherein, M is positive integer, and the common electric voltage and touch-control driving layer have
N bars touch-control drives conductor lines, in display, to receive a common voltage, in touch-control sensing, receive the touch-control drive signal,
Wherein, N is positive integer, and K is more than N.The touch-control display control subsystem has a touching controller and a display driver, should
Display driver provides a display drive signals to the K bar raster data model lines and provides a display pixel signal to the L bar source electrodes
Drives line, to drive corresponding display transistor and electric capacity in each display picture frame, so as to perform display operation, the touching control
Device processed provides a touch-control drive signal to the N bars touch-control and drives conductor lines, and by the M bar sensor conductors in each touch-control picture frame
Line, according to the touch-control drive signal, to sense a close exterior object.Wherein, touched in each touch-control picture frame there is provided this
Control drive signal to N bars touch-control drives the order of conductor lines to differ.
Brief description of the drawings
Fig. 1 is the system schematic of an existing embedded multi-point touch-control panel.
Fig. 2A to Fig. 2 C drives the schematic diagram of layer for the common electric voltage layer of existing embedded multi-point touch-control panel with touch-control.
Fig. 3 reduces the application system for the driving method that embedded multi-point touch-control panel influences on display picture for the present invention is a kind of
Schematic diagram.
Fig. 4 provides the control that the touch-control drive signal drives conductor lines to N bars touch-control for a kind of controller of touching of the present invention
The schematic diagram of sequential.
Fig. 5 provides the control sequential that the touch-control drive signal to N bars touch-control drives conductor lines for a kind of controller of touching
Another schematic diagram.
Fig. 6 provides touch-control drive signal to the schematic diagram of the control sequential of N bars touch-control driving conductor lines for prior art.
Fig. 7 provides the control that the touch-control drive signal drives conductor lines to N bars touch-control for a kind of controller of touching of the present invention
The another schematic diagram of sequential.
Fig. 8 provides the control that the touch-control drive signal drives conductor lines to N bars touch-control for a kind of controller of touching of the present invention
Another schematic diagram of sequential.
Fig. 9 is an operation schematic diagram of the invention.
Symbol description
Display controller 110
Embedded multi-point touch-control panel 130
Touch controller 111
Display driver 113
Application system 300
Touch control LCD (Liquid Crystal Display) panel 310
Touch-control display control subsystem 320
Tft layer 311
Induction electrode layer 313
Common electric voltage and touch-control driving layer 315.
Embodiment
Fig. 3 reduces the application system for the driving method that embedded multi-point touch-control panel influences on display picture for the present invention is a kind of
300 schematic diagram.The application system 300 includes a touch control LCD (Liquid Crystal Display) panel 310 and a touch-control display control subsystem 320.
Fig. 3 is Fig. 2A framework, namely common electric voltage（com）Layer drives layer with touch-control（Tx）Share same layer electrically conducting transparent
Body.Therefore, the touch control LCD (Liquid Crystal Display) panel 310 has a tft layer 311, an induction electrode 313, one common electric voltage of layer
And touch-control driving layer（VCOM）315.In other embodiments, the tft layer 311 of the touch control LCD (Liquid Crystal Display) panel 310,
Induction electrode layer 315 and common electric voltage and touch-control driving layer（VCOM）315 mode that stacks can be film crystalline substance in Fig. 2 B or Fig. 2 C
Body tube layer, induction electrode layer, common electric voltage and touch-control driving layer（VCOM）The one kind for stacking mode.
The tft layer 311 has K bar raster data model lines（G1、G2、…、G800）And L bar source drive lines
（SOURCE1, SOURCE2 ..., SOURCE L）, according to a display pixel signal and a display drive signals, to drive liquid crystal
Show the corresponding display transistor DTr and electric capacity CLC of pixel on panel, so that display operation is performed, wherein, K, L are positive integer.
For the sake of for convenience of description, in the present embodiment, K is that 800, L is 600.
The active member of the tft layer 311 is thin film transistor (TFT) in the present embodiment（TFT）, in other embodiment
In can be low-temperature polysilicon film transistor（Low Temperature Poly-silicon TFT, LTPS TFT）, indium oxide
Gallium zinc thin film transistor (TFT)（Indium Gallium Zinc Oxide TFT, IGZO TFT）Or continuous silicon particle
（Continuous grain silicon, CGS）.
Induction electrode layer 313 has M bar sensor conductor lines（RX1、RX2、…、RX12）, according to a touch-control drive signal,
To sense a close exterior object, wherein, M is positive integer.In the present embodiment, M is 12.
The common electric voltage and touch-control driving layer（VCOM）315 there is N bars touch-control to drive conductor lines（VCOM1、VCOM2、…、
VCOM20）, in display, to receive a common voltage（VCOM）, in touch-control sensing, receive the touch-control drive signal, wherein,
N is positive integer, and K is more than N, and in the present embodiment, N is 20.
The M bar sensor conductor lines（RX1、RX2、…、RX12）And L bar source drive lines（SOURCE1、SOURCE2、…、
SOURCE L）Positioned at a first direction（Y）, the K bar raster data model lines（G1、G2、…、G800）And N bars touch-control driving conductor
Line（VCOM1、VCOM2、…、VCOM20）Positioned at a second direction（X）.Wherein, the first direction hangs down mutually with the second direction
Directly.
In the present embodiment, the K bar raster data model lines（G1、G2、…、G800）Conductor lines are driven with the N bars touch-control
（VCOM1、VCOM2、…、VCOM20）Correspondence, namely raster data model line G1 to G40 correspondences to first touch-control drive conductor lines
VCOM1, raster data model line G41 to G80 correspondence to Article 2 touch-control drive conductor lines VCOM2, sequentially analogize.That is, grid drives
Moving-wire G1 to G40 is first group, and raster data model line G41 to G80 is second group ..., and raster data model line G761 to G800 is second
Ten groups.Namely first crowd of raster data model line G1 to G40 is in the tft layer 311, and corresponding touch-control drives conductor lines
VCOM1 is in the common electrode and touch-control driving layer（VCOM）In 315 at same position, other are also such.
A kind of reduction of the present invention embeds the driving method that multi-point touch-control panel influences on display picture, and it provides one and shown
Drive signal is to K bar raster data model lines（G1、G2、…、G800）And a display pixel signal is provided to L bar source drive lines
（SOURCE1、SOURCE2、…、SOURCE L）, to drive corresponding display transistor and electric capacity in each display picture frame（Figure
Do not show）, so as to perform display operation, and a touch-control drive signal is provided to N bars touch-control driving conductor lines（VCOM1、
VCOM2、…、VCOM20）, and by M bar sensor conductor lines in each touch-control picture frame（RX1、RX2、…、RX12）, touched according to this
Drive signal is controlled, to sense a close exterior object, wherein, there is provided the touch-control drive signal in each touch-control picture frame
Conductor lines are driven to N bars touch-control（VCOM1、VCOM2、…、VCOM20）Order differ.
Touch-control display control subsystem 320 includes a touching display driver 323 of controller 321 and one.The display drives
Device 323 provides a display drive signals to the K bar raster data model lines（G1、G2、…、G800）And provide a display pixel signal extremely
The L bar source drive lines（SOURCE1、SOURCE2、…、SOURCE L）, to drive corresponding display in each display picture frame
Transistor and electric capacity, so as to perform display operation, the touching controller 321 provides a touch-control drive signal to the N bars touch-control and driven
Moving-conductor line（VCOM1、VCOM2、…、VCOM20）, and by the M bar sensor conductor lines in each touch-control picture frame（RX1、
RX2、…、RX12）, according to the touch-control drive signal, to sense a close exterior object.
Display driver 323 sequentially scans the K bar raster data model lines（G1、G2、…、G800）, meanwhile, touch controller
321 in continuous several touch-control picture frames（touch frame）It is interior, each touch-control picture frame（touch frame）According to not permanent order
Scan N bars touch-control driving conductor lines（VCOM1、VCOM2、…、VCOM20）, premise is still that touching controller 321 is scanned
The same group of raster data model line that touch-control driving conductor lines must not be scanned with display driver 323.So-called same group refers to
If the physical location of touch-control driving conductor lines overlaps with the VCOM positions below raster data model line.Due to continuous several tactile
Control picture frame（touch frame）It is interior to use not permanent order, drive conductor lines to provide the touch-control drive signal to N bars touch-control
（VCOM1、VCOM2、…、VCOM20）, therefore the interference caused for particular gate drives line will be by each each display picture frame
（display frame）It will be reduced to and show picture frame every several（display frame）Can just occur once.Draw
The disturbance in face will be averaged out because of the persistence of vision of human eye.These are not fixed the offer touch-control drive signal to N bars and touched
The order of control driving conductor lines can be every several to dozens of touch-control picture frame（touch frame）After repeat.
In the present invention, display and touch sensing can have respective sequential, also can be synchronous.Display and touch sensing are synchronous
Represent display when display picture frame with touch-control when touch-control picture frame it is synchronous, that is, the touch-control picture frame time width and the display
The time width of picture frame is identical.
Fig. 4 provides the control that the touch-control drive signal drives conductor lines to N bars touch-control for a kind of controller 321 of touching of the present invention
One embodiment schematic diagram of sequential processed.It is driving conductor lines by i-th touch-control, sequentially in j-th shows picture frame that it, which is,
The touch-control drive signal is provided, is by i+1 bar touch-control driving conductor lines, to be sequentially provided in the J+1 display picture frame
The touch-control drive signal, wherein, J is positive integer, i=2~N.
Again as shown in figure 4, it is shown in continuous touch-control picture frame（touch frame）Interior, touching controller 321 is provided should
Touch-control drive signal to N bars touch-control drives the order of conductor lines to be every a touch-control picture frame（touch frame）, starting touch
Control driving conductor lines（VCOM）Position just adds 1.If in touch-control picture frame（touch frame）N is because touch-control drives conductor lines
VCOM4 is acted and is caused the display of this block of raster data model line G1~G40 to be interfered, and such a interference cases also only occur
One touch-control picture frame（touch frame）.Next touch-control picture frame（touchframe）During beginning, raster data model line G1~G40
Unlatching it is interval it is corresponding be the time of touch-control driving conductor lines VCOM5 scanning and be no longer touch-control driving conductor lines VCOM4, therefore
Touch-control driving conductor lines VCOM4, which will be again disturbed raster data model line G1~G40, would is that in several or dozens of touch-control picture frame
（touch frame）Afterwards.By the persistence of vision of the mankind, such picture disturbances effect will be reduced.
Fig. 5 provides the control sequential that the touch-control drive signal drives conductor lines to N bars touch-control for a kind of controller 321 of touching
Another embodiment diagram be intended to.It is to be driven in j-th shows picture frame there is provided the touch-control drive signal to by i-th touch-control
Moving-conductor line, i is to be produced according to a random number functions.
Again as shown in figure 5, it is deformed for a kind of Fig. 4 the of control sequential, the touch-control driving conductor lines of starting are not necessarily intended to
With touch-control picture frame（touch frame）Sequentially it is incremented by, can is random order, as long as continuous several or dozens of touch-control figure
Frame（touch frame）There is provided the touch-control drive signal to N bars touch-control drives the control sequential of conductor lines to be different from, it is possible to
Reach the purpose of the invention to be reached.
Fig. 6 provides touch-control drive signal to the schematic diagram of the control sequential of N bars touch-control driving conductor lines for prior art.
Touch-control drive signal is only in sensor（sensor）When being sensed, just provide and get touch-control drive signal.Because being touched at one
Control picture frame（touch frame）Time in, N bars touch-control drive conductor lines above touch-control drive signal cut in and out,
The interference to display can be caused to cut in and out.
Fig. 7 provides the control that the touch-control drive signal drives conductor lines to N bars touch-control for a kind of controller 321 of touching of the present invention
Another embodiment schematic diagram of sequential processed.The time width of the touch-control picture frame is divided into X equimolecular touch-control picture frames by the present invention.Every
In one sub- touch-control picture frame, the touch-control drive signal that touching controller 321 is provided is pulse（pulse）.
Touch the pulse for the touch-control drive signal that controller 321 is provided（pulse）Can be as shown in fig. 6, not taking this
Sub- touch-control picture frame.Also can be as shown in fig. 7, the pulse of the touch-control drive signal（pulse）Take the sub- touch-control picture frame.That is, Fig. 7
The type of drive of the touch-control drive signal is improved to uninterrupted submitting, sensor is not influenceed so（sensor）Work, because
For when sensor is sensed, sensor（sensor）The pulse of the touch-control drive signal needed still has.It is continual to provide
The touch-control drive signal even if interference is produced to display, the behavior of produced interference also has uniformity, thus reduction human eye
To the susceptibility of aobvious interference, observer is set to be difficult to discover the presence of interference.
Fig. 8 provides the control that the touch-control drive signal drives conductor lines to N bars touch-control for a kind of controller 321 of touching of the present invention
Another embodiment schematic diagram of sequential processed.In each raster data model line is opened, the pulse of the touch-control drive signal（pulse）
Number is 0 to one given number.
Fig. 9 is an operation schematic diagram of the invention.It represents that sensor can be opened at any one time.Touch controller 321
Allow touch-control drive signal impulse to take the sub- touch-control picture frame, and can open the sensor of the touching controller 321 at any one time,
Since when sensor is sensed, sensor（sensor）The pulse of the touch-control drive signal needed still has, therefore can be normally
Perform touch sensing.Due to sensor（sensor）It can at any one time open, touch-control drive signal impulse template can be avoided
The interference of change, thus reduction human eye makes observer be difficult to discover the presence of interference the susceptibility of aobvious interference.
From preceding description, the present invention is in continuous several or dozens of touch-control picture frame（touch frame）It is each
Touch-control picture frame（touch frame）Interior, touching controller 321 provides the touch-control drive signal to N bars touch-control and drives conductor lines
Sequential is different from.Touching controller 321 provides the touch-control drive signal to N bars touch-control and drives the sequential of conductor lines still can weigh
It is multiple, but would is that with several or dozens of touch-control picture frame（touch frame）Circulated for one, and be no longer each touch-control picture frame
（touch frame）Just it is repeated once.In each touch-control picture frame（touch frame）It is interior, only provided different from prior art tactile
Touch the touch sensor of controller 321（sensor）The pulse number of required touch-control drive signal, can also drive the touch-control
The type of drive of signal is improved to uninterrupted submitting, and the pulse of touch-control drive signal is taken into whole sub- touch-control picture frame, in the hope of
Reach because the uniformity that the touch-control drive signal is interfered to the touch control LCD (Liquid Crystal Display) panel 310.It is applicable to all kinds of
Different panels.Meanwhile, it is with common electric voltage in Fig. 2A in the present invention（com）The touch-control of layer and touch-control sensing drives layer（Tx）Share
Same layer is illustrates, technology of the invention also can operate with Fig. 2 B and Fig. 2 C, that is, the technology of the present invention also can operate with touch-control
Drive layer（Tx）And common electric voltage（com）The situation of layer non-common same layer electric conductor.
As shown in the above description, the technology of the present invention has lower several advantages：
1st, as shown in Fig. 4 and Fig. 5, within touch-control picture frame N time, touching controller 321 provides the touch-control and driven
Dynamic signal can also be scanned successively with random order.
2nd, in several touch-control picture frames（Y, Y+1 ... Y+Z picture frames）, touch controller 321 and the suitable of the touch-control drive signal be provided
Sequence can be changing into a variety of different orders, and do one cycle with Z touch-control picture frame, and Z can be any number.In reality
In implementation, this variety of different order can be that a lookup table mode for having adjustment elasticity is produced.
3rd, display picture frame can be synchronous with touch-control picture frame, can also be asynchronous.
The 4th, if display picture frame is synchronous with touch-control picture frame, touching controller 321 can be opened in each raster data model line
Among the time opened, the touch-control drive signal impulse is not provided, and can also provide 1 touch-control drive signal impulse should or multiple
Touch-control drive signal impulse.That is, while some raster data model lines are opened, as shown in Fig. 6, Fig. 7 and Fig. 8, touching control
Device 321 can not export, can export one or more pulses.
If the 5th, show picture frame and asynchronous touch-control picture frame, touching controller 321 can arbitrarily export required touch-control
Drive signal impulse number, can suspend output, can also take the sub- touch-control picture frame.Suspending output can be with power saving.
6th, the present invention provides a kind of mode, allows touch-control drive signal impulse to take the sub- touch-control picture frame, and in touching control
The receiving terminal of device 321（RX）, related open signal is produced, to receive the signal of touching, is touched due to this can be opened at any one time
Touch the sensor of controller 321, therefore stop unnecessary noise, and this noise may by the touch control LCD (Liquid Crystal Display) panel 310 or
Supply power supply or any source for being possible to produce, and influence the efficiency of touch sensing.
7th, present invention may apply to thin film transistor liquid crystal display device, active matrix organic light-emitting diode（AMOLD）It is aobvious
Showing device, embedded touching（in-cell、on-cell、out-cell）Display device.
Above-described embodiment is illustrated only for convenient explanation, and the interest field that the present invention is advocated certainly should be with application
It is defined described in claim, rather than is only limitted to above-described embodiment.
Claims (13)
1. a kind of reduce the driving method that embedded multi-point touch-control panel influences on display picture, the embedded multi-point touch-control panel has
One tft layer, induction electrode layer and a common electric voltage and touch-control driving layer, the tft layer have K bar grid
Pole drives line and L bar source drive lines, induction electrode layer have M bar sensor conductor lines, the common electric voltage and touch-control driving layer
Conductor lines are driven with N bars touch-control, K, L, N, M are positive integer, and the driving method includes：
A display drive signals are provided to K bar raster data model lines and a display pixel signal are provided to L bar source drive lines, with
Corresponding display transistor and electric capacity are driven in each display picture frame, so as to perform display operation；And
One touch-control drive signal to N bars touch-control is provided and drives conductor lines, and by M bar sensor conductor lines in each touch-control picture frame,
According to the touch-control drive signal, to sense a close exterior object；
Wherein, the touch-control picture frame is synchronous with the display picture frame, and the time of the time width of the touch-control picture frame and the display picture frame
Width is identical, and there is provided the order not phase that the touch-control drive signal to N bars touch-control drives conductor lines in each touch-control picture frame
Together, during touch-control picture frame, the corresponding touch-control driving into N bars touch-control driving conductor lines of touch-control drive signal is persistently provided and led
Body line.
2. the driving method that the embedded multi-point touch-control panel of reduction according to claim 1 influences on display picture, wherein,
J-th is shown in picture frame, is driving conductor lines by i-th touch-control, to be sequentially provided the touch-control drive signal, at J+1
Show in picture frame, be by i+1 bar touch-control driving conductor lines, to be sequentially provided the touch-control drive signal, wherein, J is just whole
Number, i=2~N.
3. the driving method that the embedded multi-point touch-control panel of reduction according to claim 2 influences on display picture, wherein,
J-th is shown in picture frame, is driving conductor lines by i-th touch-control, to be sequentially provided the touch-control drive signal, i is according to one
Random number functions are produced.
4. the driving method that the embedded multi-point touch-control panel of reduction according to claim 1 influences on display picture, wherein, should
The time width of touch-control picture frame is divided into X equimolecular touch-control picture frames, and wherein X is positive integer.
5. the driving method that the embedded multi-point touch-control panel of reduction according to claim 4 influences on display picture, wherein,
In each sub- touch-control picture frame, the touch-control drive signal is pulse.
6. the driving method that the embedded multi-point touch-control panel of reduction according to claim 5 influences on display picture, wherein, should
The pulse of touch-control drive signal does not take the sub- touch-control picture frame.
7. the driving method that the embedded multi-point touch-control panel of reduction according to claim 5 influences on display picture, wherein, should
The pulse of touch-control drive signal takes the sub- touch-control picture frame.
8. the driving method that the embedded multi-point touch-control panel of reduction according to claim 4 influences on display picture, wherein, often
During one raster data model line is opened, the pulse number of the touch-control drive signal is 0 to one given number.
9. a kind of reduce the system that embedded multi-point touch-control panel influences on display picture, it includes：
One touch control LCD (Liquid Crystal Display) panel, there is a tft layer, induction electrode layer and a common electric voltage and touch-control to drive for it
Dynamic layer, the tft layer has K bar raster data model lines and L bar source drive lines, wherein, K, L are positive integer, the induced electricity
Pole layer has M bar sensor conductor lines, according to a touch-control drive signal, to sense a close exterior object, wherein, M is just whole
There is N bars touch-control to drive conductor lines for number, the common electric voltage and touch-control driving layer, in display, to receive a common voltage, touch
During control sensing, receive the touch-control drive signal, wherein, N is positive integer, and K is more than N；And
One touch-control display control subsystem, it has a touching controller and a display driver, and the display driver provides one
Display drive signals are to the K bar raster data model lines and provide a display pixel signal to the L bar source drive lines, with each aobvious
Corresponding display transistor and electric capacity are driven in diagram frame, so as to perform display operation, the touching controller provides a touch-control and driven
Dynamic signal to the N bars touch-control drives conductor lines, and is driven in each touch-control picture frame by the M bar sensor conductor lines according to the touch-control
Dynamic signal, to sense a close exterior object；
Wherein, there is provided the order not phase that the touch-control drive signal to N bars touch-control drives conductor lines in each touch-control picture frame
Together, during touch-control picture frame, the corresponding touch-control driving into N bars touch-control driving conductor lines of touch-control drive signal is persistently provided and led
Body line.
10. the system that the embedded multi-point touch-control panel of reduction according to claim 9 influences on display picture, wherein, the M bars
Sensor conductor line and L bar source drives line are located at a first direction, the K bar raster data model lines and N bars touch-control driving conductor lines
Positioned at a second direction.
11. the system that the embedded multi-point touch-control panel of reduction according to claim 10 influences on display picture, wherein, this
One direction and the second direction are orthogonal.
12. the system that the embedded multi-point touch-control panel of reduction according to claim 11 influences on display picture, wherein, the
It is driving conductor lines by i-th touch-control, to be sequentially provided the touch-control drive signal in J display picture frame, it is aobvious at J+1
It is by i+1 bar touch-control driving conductor lines, to be sequentially provided the touch-control drive signal in diagram frame, wherein, J is positive integer,
I=2~N.
13. the system that the embedded multi-point touch-control panel of reduction according to claim 12 influences on display picture, wherein, the
In J display picture frame, be to be sequentially provided the touch-control drive signal driving conductor lines by i-th touch-control, i be according to one with
Machine number function is produced.
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| CN109509414A (en) * | 2017-09-15 | 2019-03-22 | 敦泰电子有限公司 | Embedded display equipment and its scan method |
| CN109508107B (en) * | 2017-09-15 | 2022-03-08 | 敦泰电子有限公司 | Embedded touch display device |
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| CN102375606A (en) * | 2010-08-20 | 2012-03-14 | 奇美电子股份有限公司 | Touch panel, driving method for the touch panel, program for getting touch information, and memory media |
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| JP5178631B2 (en) * | 2009-05-26 | 2013-04-10 | 株式会社ジャパンディスプレイウェスト | Touch sensor, display device, and electronic device |
| TWI506606B (en) * | 2010-11-05 | 2015-11-01 | Novatek Microelectronics Corp | Touch controller for touch-sensing display panel and driving method thereof |
| CN102830879B (en) * | 2012-08-17 | 2015-09-09 | 北京京东方光电科技有限公司 | A kind of In-cell touch panel |
| CN105204700B (en) * | 2013-01-09 | 2018-07-13 | 敦泰电子股份有限公司 | A kind of touch-control display panel |
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