CN104375305B - A kind of display base plate and display panel and its driving method - Google Patents
A kind of display base plate and display panel and its driving method Download PDFInfo
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- CN104375305B CN104375305B CN201410686842.7A CN201410686842A CN104375305B CN 104375305 B CN104375305 B CN 104375305B CN 201410686842 A CN201410686842 A CN 201410686842A CN 104375305 B CN104375305 B CN 104375305B
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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
-
- 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
-
- 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
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- 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
Abstract
The invention discloses a kind of display base plate and display panel and its driving method, wherein, the display base plate includes common electrode layer, and the common electrode layer includes：Multiple first electrodes and multiple second electrodes, the first electrode and the second electrode are extended in a first direction and arranged in a second direction, the first electrode is electrically insulated from each other with the second electrode, wherein, first electrode and second electrode are public electrode, first electrode is not multiplexed with touch control electrode, and second electrode is multiplexed with touch control electrode.The present invention is when needing stopping display operating and carrying out touch control operation, display operation can be stopped at by control on the pixel cell of the corresponding viewing area of first electrode, when carrying out touch control operation, because first electrode is not multiplexed with touch control electrode, therefore, the generation of the noise during touch control operation can be avoided, so as to improve the accuracy of touching signals.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display base plate and display panel and its driving method.
Background technology
With the development of modern electronic technology, corresponding component can be set in display panel to realize corresponding function,
Such as realizing capacitive touch function, to be brought to user using upper facility.
At present, according to the generation type of electric capacity, capacitance touching control can be divided into self-capacitance touch-control and mutual capacitance touch-control, wherein,
Self-capacitance touch-control is the electric capacity that is formed between touch control electrode and ground to realize touch controllable function, and mutual capacitance touch-control is driven by touch-control
The electric capacity that is formed between moving electrode and touch-control sensing electrode realizes touch controllable function.
Fig. 1 is the structural representation of common electrode layer of the prior art.As shown in figure 1, in the prior art, positioned at display
Common electrode layer 10 in panel includes multiple public electrodes 11, wherein, the multiple public electrode 11 is all multiplexed with touch-control
Electrode, correspondingly, the dispaly state and touch-control state of display panel need to carry out using time-shared fashion, public under dispaly state
Electrode 11 is applied in public voltage signal, and public electrode 11 is applied in touch-control driving letter as touch control electrode under touch-control state
Number.Self-capacitance touch-control is applicable not only to when above-mentioned public electrode 11 is as touch control electrode, mutual capacitance touch-control is also applied for, and for
During mutual capacitance touch-control, public electrode 11 as touch control electrode be touch-control driving electrodes.
In Fig. 1, if stopping showing that the unstable public electrode 11 of public voltage signal is carried after operation is answered immediately
Become big with the noise of touching signals produced during touch control operation for touch control electrode, then can be caused.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of display base plate and display panel and its driving method, existing to solve
Have in technology when public electrode is all multiplexed with touch control electrode, if with unstable public of public voltage signal
Electrode is multiplexed with touch control electrode immediately, then the noise of produced touching signals can be caused to become big technical problem.
In a first aspect, the embodiment of the present invention provides a kind of display base plate, the display base plate includes common electrode layer, described
Common electrode layer includes：
Multiple first electrodes and multiple second electrodes, the first electrode and the second electrode are extended in a first direction
And arrange in a second direction, the first electrode is electrically insulated from each other with the second electrode, wherein, the first electrode and described
Second electrode is public electrode, and the first electrode is not multiplexed with touch control electrode, and the second electrode is multiplexed with touch control electrode.
Second aspect, the embodiment of the present invention also provides a kind of display panel, including counter substrate, with the counter substrate phase
To the array base palte of setting, wherein, the counter substrate or the array base palte are the display base described in above-mentioned first aspect
Plate.
The third aspect, the embodiment of the present invention also provides a kind of driving method of display panel, and the driving method is used to drive
The display panel of above-mentioned second aspect is moved, the driving method includes：
Timesharing carries out touch control operation and display is operated；
Operated and when being transformed into the touch control operation stopping the display, control the display operation to stop at described the
On the pixel cell of the corresponding viewing area of one electrode.
Display base plate and display panel and its driving method provided in an embodiment of the present invention, by setting multiple first electrodes
With multiple second electrodes, first electrode and second electrode are extended in a first direction and arranged in a second direction, first electrode with
Second electrode is electrically insulated from each other, wherein, first electrode and second electrode are public electrode, and first electrode is not multiplexed with touch-control electricity
Pole, second electrode is multiplexed with touch control electrode, so operates and when carrying out touch control operation needing to stop display, can be with by control
Display operation is stopped on the pixel cell of the corresponding viewing area of first electrode, when carrying out touch control operation, due to first
Electrode is not multiplexed with touch control electrode, it can thus be avoided during touch control operation noise generation, so as to improve touching signals
Accuracy.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of common electrode layer of the prior art；
Fig. 2 is a kind of structural representation of common electrode layer provided in an embodiment of the present invention；
Fig. 3 is the structural representation of another common electrode layer provided in an embodiment of the present invention；
Fig. 4 a are the overlooking the structure diagrams of a kind of common electrode layer provided in an embodiment of the present invention and touch control layer；
Fig. 4 b are the diagrammatic cross-sections in the A1-A2 directions along along Fig. 4 a；
Fig. 5 is a kind of structural representation of display base plate provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of display panel provided in an embodiment of the present invention；
Fig. 7 a are a kind of structural representations of counter substrate provided in an embodiment of the present invention；
Fig. 7 b are a kind of structural representations of array base palte provided in an embodiment of the present invention；
Fig. 7 c are the structural representations of another array base palte provided in an embodiment of the present invention；
Fig. 7 d are the structural representations of another array base palte provided in an embodiment of the present invention；
Fig. 8 a are a kind of first electrodes and second electrode for driving in common electrode layer provided in an embodiment of the present invention
Structural representation；
Fig. 8 b are another first electrode for being used to drive in common electrode layer provided in an embodiment of the present invention and the second electricity
The structural representation of pole；
Fig. 9 is a kind of schematic flow sheet of the driving method of display panel provided in an embodiment of the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than full content are illustrate only in description, accompanying drawing.
In Fig. 1, the touch-control state and dispaly state of display panel are carried out using time-shared fashion, it is therefore desirable in display behaviour
After work stops, touch control operation can be carried out.When display operation stops, corresponding scan line applies scanning due to being stopped
Signal, this can produce influence to the public voltage signal of 11 bands of the corresponding public electrode of the scan line, and make the common electric voltage
Jitter.Next when carrying out touch control operation, if the above-mentioned public electrode 11 unstable with public voltage signal
Touch control electrode is multiplexed with immediately, then the noise of produced touching signals can be caused to become big.It should be noted that above-mentioned is aobvious
Show that operation includes but is not limited to the display scan operation relevant with the dispaly state of display panel；Above-mentioned touch control operation include but
It is not limited to the touch-control scan operation relevant with the touch-control state of display panel.
Before the embodiment of the present invention is provided, the concept to display base plate does simple introduction.The display base plate can be with
For by make on the glass substrate can realize each film layer structure of display function obtained from substrate, wherein, each film
Rotating fields include but is not limited to common electrode layer, pixel electrode, thin film transistor (TFT), color blocking layer and black matrix" etc., and above-mentioned each
Film layer structure needs the function to be realized according to display base plate to be chosen and made.Generally, display base plate can
Think color membrane substrates or array base palte.Based on the above-mentioned introduction to display base plate concept, the implementation of the present invention is next provided
Example.
The embodiment of the present invention provides a kind of display base plate, and the display base plate includes common electrode layer；Fig. 2 is of the invention real
A kind of structural representation of common electrode layer of example offer is applied, as shown in Fig. 2 the common electrode layer 20 includes：Multiple first
Electrode 21 and multiple second electrodes 22, the first electrode 21 and the second electrode 22 in the first direction X extensions and along the
Two direction Y are arranged, and the first electrode 21 is electrically insulated from each other with the second electrode 22, wherein, the first electrode 21 and institute
It is public electrode to state second electrode 22, and the first electrode 21 is not multiplexed with touch control electrode, and the second electrode 22 is multiplexed with
Touch control electrode.
It should be noted that being applicable not only to self-capacitance touch-control when above-mentioned second electrode 22 is as touch control electrode, it is also suitable
In mutual capacitance touch-control, and during for mutual capacitance touch-control, second electrode 22 as touch control electrode be touch-control driving electrodes.
In fig. 2, by setting first electrode 21 and the in the first direction X of the second electrode 22 to extend and along second party
Arranged to Y, so on second direction Y, first electrode 21 and second electrode 22 can be arranged each respectively；In addition, the first electricity
Pole 21 and second electrode 22 are public electrode, and first electrode 21 is not multiplexed with touch control electrode, and second electrode 22 is multiplexed with touch-control
Electrode, that is to say, that part public electrode is multiplexed with touch control electrode, is so needing to stop display operation and is carrying out touch-control behaviour
When making, display operation can be stopped at by control on the pixel cell of the corresponding viewing area of first electrode 21, even if should
Stop being applied in scanning signal in scan line and the public voltage signal on corresponding 21 bands of first electrode produces influence, and make
Into the unstable of the public voltage signal, however, when carrying out touch control operation, because first electrode 21 is not multiplexed with touch-control electricity
Pole, it can thus be avoided during touch control operation noise generation, so as to improve the accuracy of touching signals.
Further, correspondence display base plate is color membrane substrates, then display base plate can also include multirow color blocking unit, described
The direction that pixel cell or color blocking unit are expert at is identical with the first direction；The first electrode and the second electrode
At least a line color blocking unit is covered on printing opacity direction.It is array base palte for display base plate, then display base plate can also include
Multirow pixel cell；The first electrode and the second electrode cover at least one-row pixels unit on printing opacity direction.It is preferred that
A line or two row color blocking units or pixel cell, the second electrode so set are covered on printing opacity direction for second electrode
Area it is smaller, carry out touch-control state when, the accuracy of touching signals can be improved.
In fig. 2, a second electrode 22 is set between two neighboring first electrode 21.This is only the present embodiment on setting
A specific example of first electrode 21 and second electrode 22 is put, in another specific example, as shown in figure 3, two neighboring
Two second electrodes 22 are set between first electrode 21.The benefit of the mode of above-mentioned setting first electrode 21 and second electrode 22 by
The line number of second electrode 22 is less between adjacent rows first electrode 21, when needing to carry out touch control operation, can pass through control
System is easier and easily stops at display operation on the pixel cell of the corresponding viewing area of a line first electrode 21, from
And touch control operation can be made to without waiting for longer time, and then the effect that display operation is changed to touch control operation can be improved
Rate.
Above-mentioned Fig. 2 and Fig. 3 are specific example of the present embodiment on common electrode layer facilities, on first in figure
The line number and quantity, second electrode group of electrode group including first electrode include the line number and quantity of second electrode, first electrode and
Spacing between shape, size and the electrode of second electrode etc., is not limited thereto.
In the present embodiment, as shown in Figures 2 and 3, it is provided between two neighboring first electrode 21 and is respectively provided with one
Individual second electrode 22 and two second electrodes 22, i.e., above-mentioned Fig. 2 and Fig. 3 set phase between giving two neighboring first electrode 21
With the specific example of the second electrode 22 of number, however, when setting first electrode and second electrode, two neighboring first electrode
Between the second electrode of different numbers can be set, same number can also be set between a part of two neighboring first electrode
The second electrode of different numbers is set between second electrode, the two neighboring first electrode of another part, is not limited thereto.
In the present embodiment, the material of the first electrode 21 and the second electrode 22 is transparent conductive material.By
It is public electrode under dispaly state in first electrode 21 and second electrode 22, and public electrode is provided in viewing area
In, therefore, in order to not influence the display effect of viewing area, first electrode 21 and second electrode 22 need to use electrically conducting transparent material
Expect to make, wherein, the transparent conductive material can be tin indium oxide (Indium Tin Oxide, abbreviation ITO), indium oxide
Combination of zinc (Indium Zinc Oxide, abbreviation IZO) or both etc..
In the present embodiment, the shape of preferably described first electrode 21 and the second electrode 22 is bar shaped.So
The benefit of setting is that one side bar shaped is regular shape, and making gets up to be easier；On the other hand, due to the picture on display base plate
Plain unit or color blocking unit are embarked on journey arrangement, and the first electrode 21 and second electrode 22 of bar shaped can be preferably in printing opacity directions
Upper covering pixel cell or color blocking unit, so not only can make display base plate realize touch-control effect, can also make display base
Plate realizes more preferable display effect., can also be by two kinds in addition to first electrode and second electrode are shaped into bar shaped
Electrode is set to other shapes, such as branch shape, is not limited thereto, as long as first electrode and second electrode can realize phase
The display function and touch controllable function answered.
Second electrode be bar shaped in the case of, usual second electrode under touch-control state as touch control electrode be touch-control
Driving electrodes, i.e., corresponding capacitance touching control form is mutual capacitance touch-control.Based on this, as shown in fig. 4 a, display base plate also includes touching
Layer 24 is controlled, the touch control layer 24 includes the 3rd electrode 241 of multiple bar shapeds, the 3rd electrode 241 and the second electrode 22
It is arranged in a crossed manner.As shown in Figure 4 b, the 3rd electrode 241 in fig .4 is located at the lower section of second electrode 22, and passes through the first insulating barrier
23 are electrically insulated with the second electrode 22.It should be noted that because second electrode 22 drives under touch-control state as touch-control
Electrode, therefore the 3rd electrode 241 is touch-control sensing electrode.In addition, in fig .4, the electrode 241 of second electrode 22 and the 3rd is vertical
It is straight arranged in a crossed manner, in addition, can also out of plumb it is arranged in a crossed manner, be not limited thereto.
In addition to second electrode is set for bar shaped, second electrode can also be set using other set-up modes.Such as Fig. 5
Shown, each second electrode 22 can include multiple the second block sub-electrodes 221, correspondingly, under touch-control state, as tactile
Capacitance touching control can be realized by self-capacitance touch-control form by controlling each second block sub-electrode of electrode.Based on this, in Fig. 5
In, the display base plate also includes many electrical leads 25, each second sub-electrode 221 and a contact conductor 25
Electrical connection.It should be noted that contact conductor 25 is in dispaly state, public voltage signal can be received and by the public affairs received
Common voltage signal is supplied to corresponding second sub-electrode 221；Contact conductor 25 can receive touch-control driving letter in touch-control state
Number and the touch-control drive signal received is supplied to corresponding second sub-electrode 221, can be with slave phase at the end of touch-control state
The the second sub-electrode 221 output touch-control sensing signal answered.
In Figure 5, it is preferably multiple the second block sub-electrodes 221 for including of each second electrode 22 along described the
One direction X and the second direction Y are arranged in array.The benefit so set is compared when designing the arrangement of the second sub-electrode
Easily, design time is saved.Second sub-electrode is in addition to above-mentioned array arrangement, it would however also be possible to employ other arrangement modes, example
It is such as staggered, as long as the second sub-electrode can realize corresponding display function and touch controllable function.
In the present embodiment, the number of preferably described second electrode is more than the number of the first electrode.As described above,
The effect that first electrode is not multiplexed with touch control electrode is the pixel for making display operation stop at the corresponding viewing area of first electrode
On unit, the generation of the noise during touch control operation can be so avoided, so as to improve the accuracy of touching signals.Therefore,
The number of second electrode can be set to be more than the number of first electrode, or appropriate position in common electrode layer, such as it is public
Common electrode layer in a second direction (i.e. first electrode and second electrode arrangement direction) on be divided into eight equal portions, Ke Yi by area
A certain amount of or a small amount of first is set in 1/8 surface areas, a quarter surface area and 1/2nd surface areas
Electrode, can so set more second electrodes, that is to say, that under touch-control state in common electrode layer, and more
Two electrodes are multiplexed with touch control electrode, therefore can further improve the accuracy of the touching signals of display base plate, so as to
Improve the touch-control effect of display base plate.
In the present embodiment, because first electrode 21 and second electrode 22 are public electrode, first electrode 21 is not multiplexed
For touch control electrode, second electrode 22 is multiplexed with touch control electrode that is, part public electrode is multiplexed with touch control electrode, therefore,
Influence in order to avoid electromagnetic interference to touch-control state and dispaly state, display base plate needs to realize touch-control using time-shared fashion
State and dispaly state, i.e., under dispaly state, first electrode 21 and second electrode 22 are applied in public voltage signal；Touching
Under control state, first electrode 21 can continue to be applied in public voltage signal, can also stop being applied in public voltage signal i.e.
First electrode 21 is in floating state, is not limited thereto, but second electrode 22 needs to be applied in touch-control drive signal.
The embodiment of the present invention also provides a kind of display panel.Fig. 6 is a kind of display panel provided in an embodiment of the present invention
Structural representation.As shown in fig. 6, display panel includes counter substrate 31, the array base being oppositely arranged with the counter substrate 31
Plate 32 and the liquid crystal layer 33 being arranged between counter substrate 31 and array base palte 32, wherein, the liquid crystal layer 33 is by multiple liquid crystal
Molecule 331 is formed.The counter substrate 31 or the array base palte 32 are the display base plate described in above-described embodiment.Need
Bright, counter substrate 31 in figure 6 is color membrane substrates.
If counter substrate 31 uses above-mentioned display base plate, referring to Fig. 7 a, the structure of corresponding counter substrate 31 can be with
Including：First glass substrate 311；Black matrix" 312 on first glass substrate 311；Positioned at the black matrix"
Color blocking layer 313 on 312；And the common electrode layer 314 in color blocking layer 313.Wherein, the color blocking layer 313 includes many
Individual color blocking unit 313a, each color blocking unit 313a can be one in three primary colours color blocking unit, you can think red color resistance
One in unit (Red, abbreviation R), green color blocking unit (Green, abbreviation G) and blue color blocking unit (Blue, abbreviation B),
Can also be one in four primary color blocking unit, you can think red color resistance unit, green color blocking unit, blue color blocking unit
With one in white color blocking unit (White, abbreviation W) or can be red color resistance unit, green color blocking unit, blue color
Hinder one in unit and yellow color blocking unit (Yellow, abbreviation Y)；The color blocking layer 313 is either by three primary colours color blocking list
Member is formed or formed by four primary color blocking unit, and each primary colours color blocking unit, which can uniformly arrange, uneven to arrange,
This is not construed as limiting.Wherein common electrode layer 314 is the common electrode layer in above-mentioned display base plate.
It should be noted that using above-mentioned display base plate for counter substrate 31, corresponding display panel is TN types
The liquid crystal drive pattern of (Twisted Nematic, twisted nematic), in the case where being powered up to display panel, is arranged on pair
Put the common electrode layer 314 in substrate 31 and be arranged in array base palte 32 between pixel electrode and form electric field to drive liquid crystal layer
Liquid crystal molecule 331 in 33 rotates to realize corresponding display effect.
If array base palte 32 uses above-mentioned display base plate, referring to Fig. 7 b, the structure of corresponding array base palte 32 can be with
Including：Second glass substrate 321；Thin film transistor (TFT) 322 on the second glass substrate 321, the thin film transistor (TFT) 322 is wrapped
Grid 322a, source electrode 322b, drain electrode 322c and active area 322d are included, wherein, grid 322a is arranged on the second glass substrate 321
On, source electrode 322b, drain electrode 322c and active area 322d are located at same layer and above grid 322a, source electrode 322b and drain electrode
322c be located at active area 322d both sides and and electrically connect respectively with active area 322d, and source electrode 322b, drain 322c and active area
322d is realized by the second insulating barrier 325 and grid 322a and is electrically insulated；Positioned at the source electrode 322b of thin film transistor (TFT) 322 and drain electrode
Common electrode layer 323 above 322c, and the source electrode 322b and drain electrode 322c and common electrode layer 323 of thin film transistor (TFT) 322 are logical
Cross the 3rd insulating barrier 327 and realize electric insulation；Pixel electrode 324 positioned at the top of common electrode layer 323, and common electrode layer 323
Realized and be electrically insulated by the 4th insulating barrier 326 with pixel electrode 324, wherein the drain electrode of pixel electrode 324 and thin film transistor (TFT) 322
322c is electrically connected.
It should be noted that using above-mentioned display base plate, corresponding display panel for the array base palte 32 in Fig. 7 b
For FFS types (Fringe Field Switching, fringe field switching type) liquid crystal drive pattern, what is powered up to display panel
In the case of, electric field is formed between the common electrode layer 323 and pixel electrode 324 that are arranged in array base palte 32 to drive liquid crystal layer
Liquid crystal molecule 331 in 33 rotates to realize corresponding display effect.For the liquid crystal drive pattern of FFS types, public electrode
Layer is except that positioned at the lower section of pixel electrode, can also be located at the top of pixel electrode.As shown in Figure 7 c, pixel electrode 324 is located at
The top of thin film transistor (TFT) 322；Common electrode layer 323 is located at the top of pixel electrode 324, and is realized by the 4th insulating barrier 327
Electric insulation between the two.
In the array base palte 32 using above-mentioned display base plate, common electrode layer and pixel electrode can also be located at same
Layer.As shown in figure 7d, pixel electrode 324 and common electrode layer 323 are located at same layer, and positioned at the top of thin film transistor (TFT) 322.
For the array base palte shown in Fig. 7 d, corresponding display panel is IPS types (In-Plane Switching, plane conversion type)
Liquid crystal drive pattern, in the case where being powered up to display panel, is arranged on common electrode layer 323 and pixel in array base palte 32
Electric field is formed between electrode 324 to drive the liquid crystal molecule 331 in liquid crystal layer 33 to rotate to realize corresponding display effect.
It should be noted that in Fig. 7 b to Fig. 7 d, the display base in above-described embodiment is employed due to array base palte 32
Plate, therefore, the common electrode layer 323 in array base palte 32 are also the common electrode layer in above-mentioned display base plate.In addition, in figure
The grid 322a of thin film transistor (TFT) 322 in 7b to Fig. 7 d is arranged on source electrode 322b and drain electrode 322c lower section, but this is only
One specific example of grid is set, and in other examples, grid can also be arranged on the top of source electrode and drain electrode, not do herein
Limit.
In this example it is shown that the counter substrate 31 or array base palte 32 in panel are employed in above-described embodiment
Display base plate, and in the display base plate, because first electrode and second electrode are public electrode, wherein first electrode is not multiple
With for touch control electrode, second electrode is multiplexed with touch control electrode, therefore, in order to avoid electromagnetic interference is to touch-control state and dispaly state
Influence, display panel needs to realize touch-control state and dispaly state using time-shared fashion.
In order that display panel realizes touch-control state and dispaly state by time-shared fashion, and as shown in Figure 8 a, array base
Plate can also include public electrode wire 43 and drive circuit 44, under dispaly state, and the public electrode wire 43 receives common electrical
The public voltage signal received is simultaneously supplied to the first electrode 41 by pressure signal, and the drive circuit 44 produces common electric voltage
Produced public voltage signal is simultaneously supplied to the second electrode 42 by signal；Under touch-control state, the public electrode wire
43, which can continue as the first electrode 41, provides public voltage signal, can also stop providing public for the first electrode 41
Voltage signal is that first electrode 41 is in floating state, but now the drive circuit 44 needs to produce touch-control drive signal simultaneously
Produced touch-control drive signal is supplied to the second electrode 42.
It should be noted that in Fig. 8 a, first electrode 41 and second electrode 42 are located in common electrode layer 40, wherein public
Common electrode layer 40 is the common electrode layer in the display base plate described in above-described embodiment, i.e. first electrode 41 and second electrode 42 is
First electrode and second electrode in display base plate described in above-described embodiment, and the display base plate can be used as display shown in Fig. 6
The counter substrate 31 or array base palte 32 of panel.
Specifically, in Fig. 8 a public electrode wire 43 and drive circuit 44 needs and integral control circuit (Integrated
Circuit, abbreviation IC) electrical connection, wherein under dispaly state, integral control circuit produces public voltage signal and is supplied to public affairs
Common-battery polar curve 43, then first electrode 41 is supplied to by public electrode wire 43, integral control circuit to drive circuit 44 by carrying out
Control (for example sends the instruction for producing public voltage signal) to drive circuit, and drive circuit 44 produces public voltage signal, and
It is supplied to second electrode 42；Under touch-control state, integral control circuit can continue or stop to produce public voltage signal, phase
Ground public electrode wire 43 is answered to continue or stop to provide public voltage signal for first electrode 41, integral control circuit passes through
Drive circuit 44 is controlled and (is for example sent to drive circuit and stops producing public voltage signal and start to produce touch-control driving
The instruction of signal), drive circuit 44 produces touch-control drive signal and is supplied to second electrode 42.
In Fig. 8 a, first electrode and second are driven by setting public electrode wire and drive circuit on array base palte
Electrode, so that display panel realizes touch-control state and dispaly state by time-shared fashion, this is only a specific example, so
And in another specific example, referring to Fig. 8 b, array base palte can also include public electrode wire 43 and driving coiling 45, aobvious
Show under state, the public electrode wire 43 receives public voltage signal and the public voltage signal received is supplied into described the
One electrode 41, the driving coiling 45 receives public voltage signal and the public voltage signal received is supplied into described second
Electrode 42；Under touch-control state, the public electrode wire 43 continues or stopped to provide common electric voltage for the first electrode 41
Signal, and in the case where stopping providing public voltage signal for first electrode 1, first electrode 41 is in floating state, but
Now the driving coiling 45 needs to receive touch-control drive signal and the touch-control drive signal received is supplied into described second
Electrode 42.
It should be noted that in figure 8b, first electrode 41 and second electrode 42 are located in common electrode layer 40, wherein public
Common electrode layer 40 is the common electrode layer in the display base plate described in above-described embodiment, i.e. first electrode 41 and second electrode 42 is
First electrode and second electrode in display base plate described in above-described embodiment, and the display base plate can be used as display shown in Fig. 6
The counter substrate 31 or array base palte 32 of panel.
Specifically, in Fig. 8 b public electrode wire 43 and driving coiling 45 needs to electrically connect with integral control circuit, wherein
Under dispaly state, integral control circuit produces public voltage signal and is respectively supplied to public electrode wire 43 and driving coiling
45, then first electrode 41 is supplied to by public electrode wire 43 and second electrode 42 is supplied to by driving coiling 45；In touch-control state
Under, integral control circuit can continue or stop to produce public voltage signal, and correspondingly public pressure wire 43 continues or stopped
Public voltage signal only is provided for first electrode 41, now integral control circuit also begins to produce touch-control drive signal, Ran Houti
Supply driving coiling 45, then second electrode 42 is supplied to by driving coiling 45.
It should be noted that the structure of common electrode layer 40 is only a specific example in Fig. 8 a and Fig. 8 b, on figure
In first electrode and the quantity of second electrode, shape, size, electrode between spacing and adjacent two first electrodes between
Quantity of second electrode etc., is not limited thereto.
The embodiment of the present invention also provides a kind of driving method of display panel, and the driving method is used to drive above-described embodiment
Described display panel.Fig. 9 is a kind of schematic flow sheet of the driving method of display panel provided in an embodiment of the present invention.As schemed
Shown in 9, the driving method of the display panel includes：
Step 61, timesharing carry out touch control operation and display operation；
Because the normality of display panel is dispaly state, the second electrode in the common electrode layer of display panel is now placed in
As first electrode, it is public electrode, is applied in public voltage signal；When needing to carry out touch-control state, display panel can
To stop display operation by controlling, and touch control operation is proceeded by, now first electrode continues or stopped to be applied in public affairs
Common voltage signal, second electrode is applied in touch-control drive signal as touch control electrode, i.e., now only have second electrode tactile to perform
Control operation；After touch control operation terminates, display panel proceeds display operation by controlling.Pass through control on display panel
Make to realize display operation and the conversion of touch control operation, refer to the associated description in above-mentioned display panel, will not be repeated here.
It should be noted that above-mentioned display operation includes but is not limited to the display scanning behaviour relevant with the dispaly state of display panel
Make；Above-mentioned touch control operation includes but is not limited to the touch-control scan operation relevant with the touch-control state of display panel.
Step 62, operate and when being transformed into the touch control operation stopping the display, control the display operation to stop
On the pixel cell of the corresponding viewing area of the first electrode.
In display panel, dispaly state is realized by being progressively scanned to the corresponding pixel cell of scan line, and
Pixel cell corresponding to scan line is progressively scanned by applying scanning signal to scan line line by line to realize, implementation process
For：First horizontal scanning line is completed after scanning, is stopped applying scanning signal to the scan line of the first row, is started to the second horizontal scanning line
Apply scanning signal, and the second row is scanned, then go on successively, until a frame display picture is completed, Ran Houzai
Repeat above-mentioned scanning since the first horizontal scanning line.
Display operation scan line corresponding when stopping is due to being stopped application scanning signal, and this can be to scan line correspondence
First electrode or the public voltage signal of second electrode institute band produce influence, and make the public voltage signal unstable.It is false
If stop display operation when scan line it is corresponding be second electrode, by the public voltage signal of second electrode institute band can be caused
It is unstable, therefore, when carrying out touch control operation, if the second electrode is immediately used as touch control electrode, to cause to be produced
The noise of raw touching signals becomes big.But by above-mentioned steps 62, when stopping display operation and being transformed into touch control operation, lead to
Cross control display operation to stop on the pixel cell of the corresponding viewing area of first electrode, the corresponding scanning of such pixel cell
Line can influence the public voltage signal of corresponding first electrode institute band due to being stopped application scanning signal, yet with
First electrode in touch control operation not as touch control electrode, it can thus be avoided during touch control operation noise generation, from
And improve the accuracy of touching signals.
Display base plate and display panel and its driving method provided in an embodiment of the present invention, by setting multiple first electrodes
With multiple second electrodes, first electrode and second electrode are extended in a first direction and arranged in a second direction, first electrode with
Second electrode is electrically insulated from each other, wherein, first electrode and second electrode are public electrode, and first electrode is not multiplexed with touch-control electricity
Pole, second electrode is multiplexed with touch control electrode, so operates and when carrying out touch control operation needing to stop display, can be with by control
Display operation is stopped on the pixel cell of the corresponding viewing area of first electrode, when carrying out touch control operation, due to first
Electrode is not multiplexed with touch control electrode, it can thus be avoided during touch control operation noise generation, so as to improve touching signals
Accuracy.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art it is various it is obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (15)
1. a kind of display base plate, the display base plate includes common electrode layer, it is characterised in that the common electrode layer includes：
Multiple first electrodes and multiple second electrodes, the first electrode and the second electrode are extended in a first direction and edge
Second direction is arranged, and the first electrode is electrically insulated from each other with the second electrode, wherein, the first electrode and described second
Electrode is public electrode, and the first electrode is not multiplexed with touch control electrode, and the second electrode is multiplexed with touch control electrode,
Wherein, timesharing carries out touch control operation and display is operated, when the stopping display being operated and is transformed into the touch control operation,
Display operation is stopped on the pixel cell of the corresponding viewing area of the first electrode.
2. display base plate according to claim 1, it is characterised in that the display base plate also include multirow pixel cell or
The direction that person's color blocking unit, the pixel cell or color blocking unit are expert at is identical with the first direction；
The first electrode and the second electrode cover at least one-row pixels unit or color blocking unit on printing opacity direction.
3. display base plate according to claim 1, it is characterised in that set identical between the two neighboring first electrode
The second electrode of number.
4. display base plate according to claim 3, it is characterised in that one is set between the two neighboring first electrode
The second electrode；Or
Two second electrodes are set between the two neighboring first electrode.
5. display base plate according to claim 1, it is characterised in that set between the two neighboring first electrode different
The second electrode of number.
6. display base plate according to claim 1, it is characterised in that the shape of the first electrode and the second electrode
It is bar shaped.
7. display base plate according to claim 6, it is characterised in that the display base plate also includes touch control layer, described to touch
Control layer includes the 3rd electrode of multiple bar shapeds, and the 3rd electrode and the second electrode are arranged in a crossed manner.
8. display base plate according to claim 1, it is characterised in that each second electrode includes multiple block the
Two sub-electrodes, the display base plate also includes many electrical leads, each second electrode and a contact conductor electricity
Connection.
9. display base plate according to claim 8, it is characterised in that it is multiple block that each second electrode includes
Second sub-electrode is arranged in array along the first direction and the second direction.
10. display base plate according to claim 1, it is characterised in that the number of the second electrode is more than described first
The number of electrode.
11. the display base plate according to any one of claim 1-10, it is characterised in that under dispaly state, described
One electrode and the second electrode are applied in public voltage signal；
Under touch-control state, the first electrode continues or stopped to be applied in public voltage signal, and the second electrode is applied
Plus touch-control drive signal.
12. a kind of display panel, including the array base palte that counter substrate and the counter substrate are oppositely arranged, it is characterised in that
The counter substrate or the array base palte are the display base plate any one of claim 1-11.
13. display panel according to claim 12, it is characterised in that the array base palte includes public electrode wire and drive
Dynamic circuit, under dispaly state, the public electrode wire receives public voltage signal and puies forward the public voltage signal received
The first electrode is supplied, the drive circuit produces public voltage signal and produced public voltage signal is supplied into institute
State second electrode；
Under touch-control state, the public electrode wire continues or stopped to provide public voltage signal for the first electrode, institute
Drive circuit is stated to produce touch-control drive signal and produced touch-control drive signal is supplied into the second electrode.
14. display panel according to claim 12, it is characterised in that the array base palte includes public electrode wire and drive
Dynamic coiling, under dispaly state, the public electrode wire receives public voltage signal and puies forward the public voltage signal received
The first electrode is supplied, the driving coiling receives public voltage signal and the public voltage signal received is supplied into institute
State second electrode；
Under touch-control state, the public electrode wire continues or stopped to provide public voltage signal for the first electrode, institute
Driving coiling is stated to receive touch-control drive signal and the touch-control drive signal received is supplied into the second electrode.
15. a kind of driving method of display panel of driving as any one of claim 12-14, including：
Timesharing carries out touch control operation and display is operated；
When stopping the display operation and being transformed into the touch control operation, the display operation is controlled to stop at first electricity
On the pixel cell of extremely corresponding viewing area.
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| CN105094437B (en) * | 2015-08-13 | 2018-12-21 | 京东方科技集团股份有限公司 | A kind of touch-control display panel and its driving method, display device |
| CN105096841A (en) * | 2015-08-18 | 2015-11-25 | 京东方科技集团股份有限公司 | Electrophoresis display device and driving method thereof |
| CN105493013B (en) * | 2015-09-11 | 2018-07-06 | 京东方科技集团股份有限公司 | Capacitor touch array substrate and driving method, display panel and display device |
| EP3350837B1 (en) * | 2015-09-15 | 2022-04-06 | BOE Technology Group Co., Ltd. | Array substrate, related display panels, and related display apparatus |
| CN105487318B (en) * | 2016-01-29 | 2019-07-16 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
| CN107886922A (en) * | 2017-12-08 | 2018-04-06 | 南京中电熊猫平板显示科技有限公司 | Liquid crystal display device and the method for improving liquid crystal display device power down splashette |
| CN108255350B (en) * | 2018-03-09 | 2021-07-16 | 上海天马微电子有限公司 | Touch control display device |
| CN109683378A (en) * | 2018-12-28 | 2019-04-26 | 华为技术有限公司 | A kind of color membrane substrates, array substrate, liquid crystal display panel and liquid crystal display |
| CN113809136B (en) * | 2021-09-14 | 2023-08-22 | 武汉华星光电技术有限公司 | Display panel and display device |
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