CN104090696B - Display panel, device and the driving method of two-sided touch-control - Google Patents
Display panel, device and the driving method of two-sided touch-control Download PDFInfo
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- CN104090696B CN104090696B CN201410277136.7A CN201410277136A CN104090696B CN 104090696 B CN104090696 B CN 104090696B CN 201410277136 A CN201410277136 A CN 201410277136A CN 104090696 B CN104090696 B CN 104090696B
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000000758 substrate Substances 0.000 claims description 67
- 238000001514 detection method Methods 0.000 claims description 27
- 230000009471 action Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000006698 induction Effects 0.000 description 14
- 239000012528 membrane Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- Theoretical Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the invention discloses a kind of display panel, device and the driving method of two-sided touch-control, it is related to display field, the two sides touch-control of display device can be realized, screen sight is reduced to block, improve manipulation efficiency, driving method of the invention, suitable for the display device of two-sided touch-control, the display device includes touch-control driving electrodes and public electrode, and the display sweep time of a two field picture includes display driving period, the first touch-control driving period, the second touch-control driving period；The driving method includes：The public voltage signal for display is loaded to the public electrode in the display driving period；Drive the period to touch drive signal to the touch driving electrodes loading first in the first touch-control, carry out the first sensitive surface touching signals scanning of the display device；Drive the period to touch drive signal to the touch driving electrodes loading second in the second touch-control, carry out the second sensitive surface touching signals scanning of the display device.
Description
Technical field
The present invention relates to display field, more particularly to a kind of display panel, device and the driving method of two-sided touch-control.
Background technology
Touch display unit combines touch technology and Display Technique, because it can realize man-machine friendship simply, conveniently, naturally
Mutually, quickly grow at present, it has also become the main flow of in the market.Distinguished from technical principle, touch display unit can be divided into：Vector pressure
Power sensing, resistance sensing, capacitance sensing, infrared ray sensing and surface acoustic wave sense five kinds of fundamental types, have been sent out by structure division
Open up as external hanging type (Add on mode), embedded (On cell mode) and monoblock type (In cell mode) three types.Mesh
Before, mobile terminal known in the market uses the capacitive sensing techniques of monoblock type more.
Capacitance sensing uses the drives line (or driving electrodes) and the line of induction (induction electrode) of crisscross setting, driving more
On line loading touch drive signal, and sensing line end detected, by the capacitance variations between the line of induction and drives line so as to
Determine touch point position.Touch-control is carried out on terminal screen because capacitive sensing techniques generally require to coordinate, therefore user is in touch-control mistake
To use finger or capacitance pen to carry out touch-control all the time in journey, easily block screen sight, influence to manipulate efficiency；Moreover, some
In the case of touch display unit (such as mobile phone) screen it is limited, single control mode touch mode can not meet what is become increasingly abundant at present at present
Software operational requirements.
The content of the invention
Embodiments of the invention provide a kind of display panel, device and the driving method of two-sided touch-control, can realize display
The two sides touch-control of device, reduce screen sight and block, improve manipulation efficiency.
To reach above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
A kind of driving method, suitable for the display device of two-sided touch-control, the display device include touch-control driving electrodes and
Public electrode, the display sweep time of a two field picture include display driving period, the first touch-control driving period, the driving of the second touch-control
Period；The driving method includes：
The public voltage signal for display is loaded to the public electrode in the display driving period；
Drive the period to touch drive signal to the touch driving electrodes loading first in the first touch-control, carry out the display
The first sensitive surface touching signals scanning of device；
Drive the period to touch drive signal to the touch driving electrodes loading second in the second touch-control, carry out the display
The second sensitive surface touching signals scanning of device.
Alternatively, the touch-control driving electrodes and the public same electrode of the public electrode.
Alternatively, the display sweep time of a two field picture also includes the Noise scan period, and the driving method also wraps
Include：In the Noise scan period, the Noise scan signal for eliminating noise is loaded to the touch driving electrodes.
The display driving period, first touch-control driving period, second touch-control driving period non-overlapping copies.
Alternatively, the first touch drive signal and the described second touch drive signal are respectively the different pulse of amplitude
Signal.
The embodiment of the present invention also provides a kind of display panel of two-sided touch-control, the display panel include being oppositely arranged the
One substrate and second substrate；The display panel includes：Touch-control driving electrodes, drive signal or the are touched for loading first
Two touch drive signal；First touch-control sensing electrode, for receiving by the touch action of the first substrate or second substrate institute
Caused feedback signal；Public electrode, for receiving common electrode signal；The touch-control driving electrodes and the public electrode position
Between first substrate and second substrate, the touch-control driving electrodes are set with the first touch-control sensing electrode insulation.
Alternatively, the display panel also includes：Second touch-control sensing electrode, the second touch-control sensing electrode with it is described
Touch-control driving electrodes insulation set；When the first touch-control sensing electrode is used to receive in the first substrate and second substrate one
During feedback signal caused by touch action, for receiving the touch action institute of another in the first substrate and second substrate
Caused feedback signal.
Preferably, the touch-control driving electrodes and the public same electrode of the public electrode.
Preferably, the touch-control driving electrodes, public electrode and the first touch-control sensing electrode are located at same layer
Specifically, the first touch-control sensing electrode is set on the first substrate, and the second touch-control driving electrodes are set
On second substrate, the touch-control driving electrodes be arranged on the first touch-control sensing electrode and the second touch-control sensing electrode it
Between.
Embodiments of the invention also provide a kind of display device of two-sided touch-control, including the display panel described in any one.
Display panel, device and the driving method of two-sided touch-control provided in an embodiment of the present invention, by the display of a two field picture
Sweep time includes display driving period, the first touch-control driving period, the second touch-control driving period, in the loading of driving stage period
Display signal is shown；Drive signal is touched to the touch driving electrodes loading first in the first touch detection stage, is entered
The first sensitive surface of row touching signals scan；Touch and drive to the touch driving electrodes loading second in the second touch detection stage
Signal, the scanning of the second sensitive surface touching signals is carried out, the two sides touch-control of display device can be realized, reduced screen sight and block,
Improve manipulation efficiency.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is driving method flow chart provided in an embodiment of the present invention；
Fig. 2 is the operational instances schematic diagram one of the display device of the two-sided touch-control of the embodiment of the present invention；
Fig. 3 is the operational instances schematic diagram two of the display device of the two-sided touch-control of the embodiment of the present invention；
Fig. 4 is the structural representation of the display panel of two-sided touch-control provided in an embodiment of the present invention；
Fig. 5 is driver' s timing figure provided in an embodiment of the present invention；
Fig. 6 is the structural representation of the display panel of the two-sided touch-control of another kind provided in an embodiment of the present invention.
Fig. 7 is the graphic structure schematic diagram of common electrode layer provided in an embodiment of the present invention.
Reference
The sensitive surfaces of 100- first, the sensitive surfaces of 200- second, 11- touch-control driving electrodes,
12- the first touch-control sensing electrodes, 13- the second touch-control sensing electrodes, 14- first substrates, 15- coloured silk films,
16- liquid crystal, 17-TFT layers, 18- second substrates, 19- common electrode layers (touch layer),
The induction electrodes of 20- first, 21- electrically conducting transparents are put up a bridge, 22- insulating materials, 23- transparent conductive materials.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Embodiment
The embodiment of the present invention provides a kind of driving method, suitable for the display device of two-sided touch-control, the display device bag
Driving electrodes containing touch-control and public electrode, the display sweep time of a two field picture include display driving period, the driving of the first touch-control
Period, the second touch-control driving period；As shown in figure 1, the driving method includes：
101st, the public voltage signal for display is loaded to the public electrode in the display driving period；
102nd, the period is driven to touch drive signal to the touch driving electrodes loading first in the first touch-control, described in progress
The first sensitive surface touching signals scanning of display device；
103rd, the period is driven to touch drive signal to the touch driving electrodes loading second in the second touch-control, described in progress
The second sensitive surface touching signals scanning of display device.
Driving method provided in an embodiment of the present invention is applied to the display device of two-sided touch-control, as shown in Figures 2 and 3, point
Not Wei the two-sided touch-control of the present invention display device two kinds of operational instances schematic diagrames (the former is large scale, and the latter is small size),
During use, obverse and reverse can carry out touch control operation simultaneously, and one is operated simultaneously just as multiple spot in the prior art
Sample.It is described below it is middle by the obverse and reverse that can carry out touch control operation simultaneously be respectively defined as the first sensitive surface and second sensing
Face.
It is to be understood that the embodiment of the present invention is not limited the specific displaying principle of display device, for example, described two-sided
The display device of touch-control can be that the liquid crystal display device of two-sided touch-control or the organic light emission (OLED) of two-sided touch-control show
Showing device, or the display device of other two-sided touch-controls；The display device of two-sided touch-control described in the present embodiment can be that one side shows
Show two-sided touch-control or the two-sided touch-control of double-sided display.
Driving method described in the present embodiment by the time of a frame be divided into display driving the period, the first touch-control drive the period and
Second touch-control drives the period, also, three periods (show that driving period, the first touch-control driving period and the second touch-control drive
The dynamic period) non-overlapping copies.Display driving period loaded and displayed signal as described in step 101 carries out picture and shown, can be ability
Any display type of drive known to field technique personnel, specific implementation process will not be repeated here referring to prior art.First
Touch-control driving period, the second touch-control driving period carry out the touch control detection of the first sensitive surface and the second sensitive surface respectively, can also
It is optional touch detection mode well-known to those skilled in the art, for example, a kind of specific implementation process is as follows：Driven to touching
Electrode loads one by one touches drive signal (first touches drive signal or the second touch drive signal), by detecting induction electrode
Capacitance variations between driving electrodes are so that it is determined that touch point position.
It should be noted that above-mentioned the first touch drive signal and the second touch drive signal is respectively that amplitude is different
Pulse signal.First, second touches the amplitude size (amplitude for touching drive signal) of drive signal, is touched instead according to actual
Feed row is debugged, the narration being specifically shown in device section Example.
The driving method that the present embodiment provides, timesharing is shown and touch detection, and in the touch detection stage, timesharing is entered again
The touch detection of row front and back, so as to realize the two sides touch-control of display device, reduce screen sight and block, improve manipulation effect
Rate；Also, unlike signal scanning is carried out in the different time, the crosstalk and influence between unlike signal can be avoided.
Alternatively, above-mentioned touch-control driving electrodes and above-mentioned public electrode can public same electrode, the electrode is not only
Same period timesharing loads different signals, and the scanning for carrying out unlike signal shows that structure is further more simplified.
Alternatively, the display sweep time of a two field picture also includes the Noise scan period, and the driving method also enters
One step includes：In the Noise scan period, the Noise scan signal for eliminating noise is loaded to the touch driving electrodes.
Specifically, the Noise scan period is set before the first touch detection stage, i.e., before step 102, first to institute
State and touch driving electrodes and load signal for noise measuring, carry out one or many Noise scans；Then first is reloaded to touch
Drive signal is touched, carries out the scanning of the first sensitive surface touching signals.
Illustrated below by taking structure shown in Fig. 4 as an example, the display device of the two-sided touch-control is provided with touch-control driving electrodes
11st, the first touch-control sensing electrode 12 and the second touch-control sensing electrode 13, wherein, the first touch-control sensing electrode 12 is used to receive first
Feedback signal caused by the touch action of sensitive surface 100, the second touch-control sensing electrode 13 are used to receive the second sensitive surface 200
Feedback signal caused by touch action.The time of one frame is divided into display driving period, first by the present embodiment driving method
Touch-control drives period and the second touch-control driving period, and the first touch-control driving period carries out the first sensitive surface touch detection, and second touches
The control driving period carries out the second sensitive surface touch detection.Also, before the first sensitive surface touch detection is carried out, it can be driven to touching
Electrode loads the signal for noise measuring, such as short pulse (Burst) signal, carries out one or many Noise scans, according to
The result of one or many Noise scans, obtain the noise for now influenceing touch-control；Then loaded one by one to each touch driving electrodes
First touches drive signal, and the output signal of each first touch-control sensing electrode subtracts the noise of previous step Noise scan acquisition,
On the basis of this, touch point position is determined according to the capacitance variations touched between driving electrodes and the first touch-control sensing electrode, can be with
Influence of the noise to touch-control is excluded, improves touch-control sensitivity.The noise described herein for influenceing touch-control, its producing cause is a lot, bag
Include but be not limited to ambient humidity or temperature, show influence of signal etc., can not enumerate.
In addition the equally settable Noise scan period before the step 103 second touch detection stage, i.e., first touched to described
Touch driving electrodes and load signal for noise measuring, carry out one or many Noise scans；Then the second touch drive is reloaded
Dynamic signal, carry out the scanning of the second sensitive surface touching signals.The reasons why based on describing in detail above, carrying out Noise scan can exclude
Influence of the noise to touch-control, improve touch-control sensitivity.
The driving method that the present embodiment provides, it is possible to achieve the two sides touch-control of display device, reduce screen sight and block, carry
Height manipulation efficiency；Also, the driving method can also avoid the crosstalk and influence between unlike signal, shadow of the noise to touch-control is excluded
Ring, improve touch-control sensitivity.
The embodiment of the present invention also provides a kind of display panel of two-sided touch-control, above-mentioned driving method can be used to carry out work
Make.The display panel includes the first substrate and second substrate being oppositely arranged；The display panel includes：Touch-control driving electricity
Pole, drive signal or the second touch drive signal are touched for loading first；First touch-control sensing electrode, for receiving by institute
State the feedback signal caused by the touch action of first substrate or second substrate；Public electrode, for receiving common electrode signal；
The touch-control driving electrodes and the public electrode are between first substrate and second substrate, the touch-control driving electrodes and institute
State the setting of the first touch-control sensing electrode insulation.
The display panel that the present embodiment provides, the common electric voltage for display is loaded to public electrode in the display driving period
Signal；Drive the period to touch drive signal to driving electrodes loading first is touched in the first touch-control, carry out the first of display device
Sensitive surface touching signals scan；Drive the period to touch drive signal to driving electrodes loading second is touched in the second touch-control, carry out
The second sensitive surface touching signals scanning of display device, so as to which display and the two sides touch-control of display device are realized in timesharing；Also, no
Unlike signal scanning is carried out in the same time, the crosstalk and influence between unlike signal can be avoided.
Wherein alternatively, when the first touch-control sensing electrode is served only for receiving the touching of one in first substrate and second substrate
When acting caused feedback signal；The display panel also includes：Second touch-control sensing electrode, the second touch-control sensing electricity
Pole and the touch-control driving electrodes insulation set, the touch action for receiving another in first substrate and second substrate are drawn
The feedback signal risen.
Wherein alternatively, above-mentioned touch-control driving electrodes and above-mentioned public electrode can also public same electrode, Ke Yijian
Change panel construction.
Wherein alternatively, above-mentioned touch-control driving electrodes, public electrode and the first touch-control sensing electrode can be located at same
Layer, to reach reduction plate thickness, realize lightening purpose.
In order to which those skilled in the art are better understood from the structure of display panel provided in an embodiment of the present invention, below by
The embodiment of the present invention is described in detail specific embodiment.
As shown in figure 4, the display panel of the two-sided touch-control includes the first substrate 14 and second substrate 18 being oppositely arranged,
First substrate 18 has the first sensitive surface 100 for carrying out touch control operation, and second substrate has the second sensing for carrying out touch control operation
Face 200；The display panel includes：Touch-control driving electrodes 11 are used to load the first touch drive signal or the second touch driving
Signal, specifically, touch-control driving electrodes 11 are used to touch drive signal in the first touch detection stage loading first, second
Touch detection stage loading second touches drive signal；First touch-control sensing electrode 12, for the first of the touch detection stage
Period is received as the feedback signal caused by the touch action of the first sensitive surface 100；Second touch-control sensing electrode 13, for touching
The second period for touching detection-phase is received as the feedback signal caused by the touch action of the second sensitive surface 200.
The display panel that the present embodiment provides, positive (the first sensitive surface 100) and the back of the body are carried out in the timesharing of touch detection stage
The touch detection in face (the second sensitive surface 200), so as to realize the two sides touch-control of display device, reduce screen sight and block, improve
Manipulate efficiency；Also, unlike signal scanning is carried out in the different time, the crosstalk and influence between unlike signal can be avoided.
Wherein, the display panel also includes：For the public electrode in display stage loading common electric voltage.Above-mentioned touches
Control driving electrodes 11 to set with layer in a manner of insulated from each other with the public electrode, for example, by common pattern of electrodes, touch
Control driving electrodes 11 are distributed in the gap of the public electrode, have and prepare simply, can reduce plate thickness and improve transmitance
The advantages of.
In addition, in second more preferred embodiment, the public electrode can also be with touch-control driving electrodes 11
It is combined into one, i.e., public electrode also functions as touch-control driving electrodes simultaneously.Specifically, will be in the prior art in tft array substrate
The common electrode layer of whole face connection is split, and forms multiple regions of mutually insulated, and specific each region can be strip
Electrode, the strip electrode load common electric voltage in the display stage, serve as public electrode；The strip electrode is in touch detection rank
Section loading timesharing loading first, second touches driving voltage, touch driving electrodes is served as, as shown in 11 in Fig. 4.Public electrode
Shared with touching driving electrodes, the influence of the public electrode at the touch control detection stage can be avoided, reduce signal to noise ratio.
It should be noted that it is only a kind of specific implementation for the display panel for meeting the two-sided touch-control of the present embodiment shown in Fig. 4
Mode, only readily appreciate, be not used to limit, first substrate can be array base palte or color membrane substrates in addition, second substrate
Can be color membrane substrates or array base palte, when first substrate is color membrane substrates, second substrate is array base palte, otherwise also may be used
With.In order to which those skilled in the art are better understood from the structure of the display panel of two-sided touch-control provided in an embodiment of the present invention, under
Face using first substrate in Fig. 4 as color membrane substrates, second substrate be array base palte exemplified by the present invention is described in greater detail.
Display panel as shown in Figure 4 is included mutually to the first substrate 14 (i.e. color membrane substrates) and second substrate 18 of box
(i.e. array base palte), the color film 15 being arranged on first substrate 14, the first touch-control sensing electrode being arranged on first substrate 14
12 (the first touch-control sensing electrode 12 is arranged on the outside at the back side, i.e. first substrate of first substrate in figure；Certain first touch-control sense
Electrode 12 is answered to be arranged on the inner side of the another side of first substrate, i.e. first substrate)；It is arranged on second substrate 18
TFT layer 17, be arranged on second substrate 18 and the second touch-control sensing electrode 13 to box face away from first substrate (i.e. second is tactile
Control induction electrode 13 is arranged on the outside of second substrate, can also similarly be arranged on the inner side of second substrate), and public electrode
Layer.Common electrode layer includes some strip electrodes (i.e. 11 in Fig. 4), and public electrode shares the strip with touching driving electrodes
Shape electrode.Liquid crystal 16 is perfused between color membrane substrates and array base palte.
Fig. 5 show the timing diagram for realizing driving method of the present invention, and display signal scanning is first carried out within the time of a frame,
Touch signal scanning is carried out again.The sweep time of touch signal is divided into the first touch-control driving period and the second touch-control driving period two
Part, in the touch signal scanning of the first touch-control driving period, positive (i.e. the first sensitive surface) touch-control works；When first touch
The touch signal of control driving period scans through, then proceeds by the touch signal scanning of the second touch-control driving period, now to be anti-
Face (i.e. the second sensitive surface) touch-control works.
In order to improve on tft array substrate noise caused by the presence of data wire or other factors, touch-control scanning is being carried out
When first carry out one or many Noise scans, exclude the influence of noise, complete to carry out sweeping for touch signal again after Noise scan
Retouch.In the present embodiment using burst signals carry out Noise scan, in the time of a whole frame, display signal, burst signals,
Touch signal carries out timesharing driving, and unlike signal scanning is carried out within the different time, avoids the crosstalk before unlike signal
And influence.
It should be noted that the scan mode in tow sides touching signals can be the same, but in scanning sequence
The amplitude for touching drive signal is different.Because the distance of the positional distance common electrode layer of tow sides touch point is different, example
The display device as shown in for Fig. 4, common electrode layer are located at array base palte, therefore in general, d1>d2, d1For front touch point
To the distance of common electrode layer, d1For the distance of reverse side touch point to common electrode layer, from following capacitance equation (1)：
Capacitance difference (d caused by tow sides touch control operation is being carried out respectively1>d2, therefore C1<C2), in induced electricity
The signal intensity received on extremely is also just different, and for Fig. 4, is received on first, second touch-control sensing electrode
Signal intensity V1 and V2 meet V2<V1.It is (main to this two-part touch signal respectively when debugging touch
If touch signal amplitude) debugged.During specific debugging, touch first, second loaded in driving electrodes (TX) and touch drive
The signal intensity of dynamic signal is typically between common electric voltage VCOM~operating voltage VDD (maximum magnitude that IC can be provided), so
Debugged afterwards according to the actual feedback that touches, there can be good touch-control effect to be defined during so that tow sides touch-control can be ensured.
Confirm the size of positive and negative touch drive signal after the completion of debugging, in other words, that is, complete first, second touch drive
The setting of the signal intensity of dynamic signal.Wherein in capacitance equation (1), C is the capacitance between two layers of electrode, and ε is two layers of electrode
Between dielectric constant, S is the overlapping area between two layers electrode, and d is the spacing between two layers of electrode.
Alternatively, the first above-mentioned touch-control sensing electrode 12 and the second touch-control sensing electrode 13 can public same electrode, i.e.,
A kind of induction electrode is only existed, simply detects the first sensitive surface (front) in touch detection stage Time share scanning, the first period
Touch-control, the second period detect the touch-control of the second sensitive surface (reverse side).Further, above-mentioned public induction electrode can also be with touch-control
Driving electrodes are set with layer.
Specifically as shown in Figure 6 and Figure 7, it is public in the display device of the two-sided touch-control of another kind provided in an embodiment of the present invention
Electrode layer and touch layer are set (as shown in 19 in Fig. 6) with layer.A kind of specific embodiment is as shown in Figure 7：By common electrical
Pole layer pattern, common electrode layer include：The first induction electrode 20 and the touch-control driving set in a manner of insulated from each other with layer
Electrode 11, the first induction electrode 20 and touch-control driving electrodes 11 are made of transparent conductive material 23, the first induction electrode 20
Separated between touch-control driving electrodes 11 by insulating materials 22, each several part of touch-control driving electrodes 11 passes through 21 phases of transparent bridging
Connect.Wherein, during specific works：Common electric voltage is loaded in the display stage in touch-control driving electrodes 11, serving as public electrode makes
With；The loading of driving electrodes 11 first is touched in the first touch detection stage and touches drive signal, the first induction electrode 20 phase therewith
Mutually coordinate, carry out the scanning of the first sensitive surface touching signals；The loading of driving electrodes 11 second is touched in the second touch detection stage to touch
Drive signal is touched, the first induction electrode 20 cooperates therewith, carries out the scanning of the touching signals of the second sensitive surface 200.
To sum up, common electrode layer is graphical, is shared with touch-control driving electrodes (TX)/first induction electrode (RX), common electrical
Pole layer functions simultaneously as detection positive and negative touching signals touch layer, it is possible to achieve is not increasing the thickness of transparent display screen and reduction
The two sides touch-control of display device is realized in the case of transmitance.
The embodiment of the present invention also provides a kind of display device of two-sided touch-control, and it includes any one above-mentioned display panel.
The display device the touch detection stage again timesharing carry out front and back touch detection, so as to realize the two of display device
Face touch-control, screen sight can be reduced and blocked, improve manipulation efficiency；Also, unlike signal scanning is carried out in different time, can be with
The crosstalk and influence between unlike signal are avoided, so as to obtain higher display quality.The display device can be：Liquid crystal
Panel, Electronic Paper, oled panel, mobile phone, tablet personal computer, television set, display, notebook computer, DPF, navigator etc.
Any product or part with display function.
For the ease of clear explanation, first, second grade printed words are employed in the present invention class discrimination are carried out to similar item,
First, second printed words do not limit the invention quantitatively, simply to a kind of preferable mode for example, originally
Art personnel are according to present disclosure, it is contemplated that obvious Variations similar or related expanding belong to this hair
In bright protection domain.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.It is real especially for equipment
For applying example, because it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to embodiment of the method
Part explanation.
It should be noted that each technical characteristic in the embodiment of the present invention, on the premise of not conflicting, can be combined makes
With.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (4)
1. a kind of driving method, suitable for the display device of two-sided touch-control, it is characterised in that the display device is driven comprising touch-control
Moving electrode and public electrode, the display sweep time of a two field picture include display driving period, the first touch-control driving period, second
Touch-control drives the period；The driving method includes：
The public voltage signal for display is loaded to the public electrode in the display driving period；
Drive the period to load the first touch-control drive signal to the touch-control driving electrodes in the first touch-control, carry out the display device
The first sensitive surface touching signals scanning；
Drive the period to load the second touch-control drive signal to the touch-control driving electrodes in the second touch-control, carry out the display device
The second sensitive surface touching signals scanning；
The first touch-control drive signal for driving the period load to the touch-control driving electrodes in the first touch-control and described the
The amplitude for the second touch-control drive signal that the two touch-controls driving period loads to the touch-control driving electrodes is different；
The touch-control driving electrodes and the public same electrode of the public electrode；
The display driving period, first touch-control driving period, second touch-control driving period non-overlapping copies；
The display sweep time of one two field picture also includes the Noise scan period, and the driving method also includes：Swept in noise
The period is retouched, the Noise scan signal for eliminating noise is loaded to the touch-control driving electrodes, is included in the first touch control detection rank
The Noise scan period is set before section, first loads the signal for noise measuring to the touch-control driving electrodes, carries out one
Secondary or multiple Noise scan, reload the first touch-control drive signal and carry out the first sensitive surface touching signals scanning.
A kind of 2. display panel of two-sided touch-control, it is characterised in that the display panel include the first substrate that is oppositely arranged and
Second substrate；The display panel includes：
Touch-control driving electrodes, for loading the first touch-control drive signal or the second touch-control drive signal；
First touch-control sensing electrode, for receiving as the feedback letter caused by the touch action of the first substrate or second substrate
Number；
Public electrode, for receiving common electrode signal；
The touch-control driving electrodes and the public electrode are between first substrate and second substrate, the touch-control driving electrodes
Set with the first touch-control sensing electrode insulation；
The display panel also includes：Second touch-control sensing electrode, the second touch-control sensing electrode and touch-control driving electricity
Pole insulation set；When the first touch-control sensing electrode is used to receive the touch action institute of one in the first substrate and second substrate
During caused feedback signal, for receiving the feedback in the first substrate and second substrate caused by another touch action
Signal；
The first touch-control sensing electrode is set on the first substrate, and the second touch-control sensing electrode is arranged on second substrate
On, the touch-control driving electrodes are arranged between the first touch-control sensing electrode and the second touch-control sensing electrode；
Drive the period to the first touch-control drive signal that the touch-control driving electrodes load with being driven in the second touch-control in the first touch-control
The amplitude for the second touch-control drive signal that the dynamic period loads to the touch-control driving electrodes is different；
The touch-control driving electrodes and the public same electrode of the public electrode；
The display sweep time of one two field picture includes display driving period, the first touch-control driving period, the second touch-control driving period；
The display driving period, first touch-control driving period, second touch-control driving period non-overlapping copies；
The display sweep time of one two field picture also includes the Noise scan period, in the Noise scan period, is driven to the touch-control
Moving electrode loads the Noise scan signal for eliminating noise, sets the noise to sweep before being included in for the first touch control detection stage
Retouch the period, first load the signal for noise measuring to the touch-control driving electrodes, carry out one or many Noise scans, then add
Carry the first touch-control drive signal and carry out the first sensitive surface touching signals scanning.
3. display panel according to claim 2, it is characterised in that
The touch-control driving electrodes, public electrode and the first touch-control sensing electrode are located at same layer.
4. a kind of display device of two-sided touch-control, it is characterised in that including the display panel described in claim any one of 2-3.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277136.7A CN104090696B (en) | 2014-06-19 | 2014-06-19 | Display panel, device and the driving method of two-sided touch-control |
| PCT/CN2014/092519 WO2015192604A1 (en) | 2014-06-19 | 2014-11-28 | Dual-sided touch control display panel, device and driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277136.7A CN104090696B (en) | 2014-06-19 | 2014-06-19 | Display panel, device and the driving method of two-sided touch-control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104090696A CN104090696A (en) | 2014-10-08 |
| CN104090696B true CN104090696B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410277136.7A Expired - Fee Related CN104090696B (en) | 2014-06-19 | 2014-06-19 | Display panel, device and the driving method of two-sided touch-control |
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| Country | Link |
|---|---|
| CN (1) | CN104090696B (en) |
| WO (1) | WO2015192604A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090696B (en) * | 2014-06-19 | 2018-01-09 | 京东方科技集团股份有限公司 | Display panel, device and the driving method of two-sided touch-control |
| CN104461138B (en) * | 2014-12-05 | 2017-07-04 | 京东方科技集团股份有限公司 | The driving method of touch-control display panel, device and touch-control display panel |
| CN104407761A (en) * | 2014-12-16 | 2015-03-11 | 京东方科技集团股份有限公司 | Touch display panel, driving method of touch display panel and touch display device |
| CN104808857A (en) * | 2015-05-08 | 2015-07-29 | 欧浦登（福州）光学有限公司 | Full-laminating double-side touch display screen and manufacturing technology thereof |
| CN107256106B (en) * | 2017-07-26 | 2020-10-09 | 武汉天马微电子有限公司 | Array substrate, liquid crystal display panel, touch display device and touch driving method |
| WO2019069728A1 (en) | 2017-10-03 | 2019-04-11 | 株式会社村田製作所 | Operation detection device and display device |
| CN107978295B (en) | 2018-01-16 | 2019-11-22 | 京东方科技集团股份有限公司 | A kind of voltage drive method and device of display panel |
| CN108776553A (en) * | 2018-06-11 | 2018-11-09 | 业成科技（成都）有限公司 | Two-sided touch-control display module and its triggering method |
| US11797122B2 (en) * | 2020-09-25 | 2023-10-24 | Wuhan Boe Optoelectronics Technology Co., Ltd. | Touch method, touch circuit and touch device |
| CN112256335B (en) * | 2020-09-25 | 2023-06-27 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for loading drive file, storage medium and electronic equipment |
| CN112462974A (en) * | 2020-11-30 | 2021-03-09 | 厦门天马微电子有限公司 | Driving method and driving circuit of touch display device and touch display device |
| CN113052076B (en) * | 2021-03-25 | 2024-02-27 | 敦泰电子（深圳）有限公司 | Signal optimization method, electronic device and memory chip |
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| CN103309072A (en) * | 2012-03-14 | 2013-09-18 | 株式会社日本显示器西 | Image display device |
| CN103425310A (en) * | 2012-05-22 | 2013-12-04 | 联胜（中国）科技有限公司 | Touch display device and driving method thereof |
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| JPH09185457A (en) * | 1995-12-28 | 1997-07-15 | Sharp Corp | Touch panel, and display device with input function using the same |
| JPH10240441A (en) * | 1997-02-27 | 1998-09-11 | Sharp Corp | Touch panel and liquid crystal display device with integrated input function |
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| CN103207720B (en) * | 2013-03-29 | 2015-09-16 | 北京京东方光电科技有限公司 | A kind of control method of touch-control display panel and device and display device |
| CN103677476B (en) * | 2013-12-13 | 2016-04-13 | 京东方科技集团股份有限公司 | Contactor control device and driving method thereof |
| CN104090696B (en) * | 2014-06-19 | 2018-01-09 | 京东方科技集团股份有限公司 | Display panel, device and the driving method of two-sided touch-control |
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2014
- 2014-06-19 CN CN201410277136.7A patent/CN104090696B/en not_active Expired - Fee Related
- 2014-11-28 WO PCT/CN2014/092519 patent/WO2015192604A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103309072A (en) * | 2012-03-14 | 2013-09-18 | 株式会社日本显示器西 | Image display device |
| CN103425310A (en) * | 2012-05-22 | 2013-12-04 | 联胜（中国）科技有限公司 | Touch display device and driving method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104090696A (en) | 2014-10-08 |
| WO2015192604A1 (en) | 2015-12-23 |
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