CN106990867A - Pressure touch display device and its driving method - Google Patents
Pressure touch display device and its driving method Download PDFInfo
- Publication number
- CN106990867A CN106990867A CN201710217644.XA CN201710217644A CN106990867A CN 106990867 A CN106990867 A CN 106990867A CN 201710217644 A CN201710217644 A CN 201710217644A CN 106990867 A CN106990867 A CN 106990867A
- Authority
- CN
- China
- Prior art keywords
- touch control
- touch
- electrode
- pressure
- control electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- 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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
Abstract
This application discloses pressure touch display device and its driving method, device includes display panel and backlight module；Display panel includes the first conductor layer and a plurality of first metal wire, first conductor layer is included between multiple the first touch control electrodes arranged along column direction extension along line direction and multiple second touch control electrodes of array arrangement, two adjacent the first touch control electrodes at least provided with a row second touch control electrode；Each first metal wire connects its corresponding a line second touch control electrode；Device also includes touch controllable function layer；Touch controllable function layer includes second touch control electrode portion, and second touch control electrode portion includes the second touch control electrode and a plurality of first metal wire of multiple array arrangements；Backlight module includes pressure sensitive electrode, and each pressure sensitive electrode is the strip shaped electric poles extended along column direction；Second touch control electrode portion is multiplexed with pressure detecting electrode.The scheme that the embodiment of the present application is provided, pressure detecting electrode is multiplexed with by second electrode portion, it is possible to reduce the processing step that device makes, and improves yield.
Description
Technical field
Present application relates generally to display technology field, more particularly to pressure touch display device and its driving method.
Background technology
Touch control display apparatus can detect finger in the display screen plane of touch control display apparatus by touch control electrode
Coordinate position, and shown accordingly according to the coordinate position.
However, the diversity of development and the human-computer interaction interface interactive operation of Display Technique is proposed to touch control display apparatus
Higher requirement.For example, in detection finger outside the coordinate position of display screen plane, in addition it is also necessary to aobvious to finger vertical pressing
The pressure size of display screen is detected, so as to be shown accordingly according to the difference of pressure size.
In the prior art, a kind of scheme for realizing pressure detecting is the volume in the display panel of existing touch control display apparatus
Conductive layer ground connection is simultaneously used as pressure detecting reference electrode by one layer of conductive layer of outer addition；Added additionally on backlight module
Conductive layer, and on the conductive layer that backlight module is added make array arrangement multiple pressure detecting electrodes.By in pressure
Apply pulse signal on detecting electrode to detect pressure.
However, the display device of the method for above-mentioned pressure detecting will cause the increase of manufacturing process steps, display is caused to fill
The product yield put may decline.
The content of the invention
In view of the above mentioned problem that prior art is present, the present invention provides a kind of pressure touch display device and its driving side
Method, to solve at least part technical problem described in background technology.
The embodiment of the present application provides a kind of pressure touch display device, and above-mentioned pressure touch display device includes display surface
Plate and backlight module；Display panel includes the first conductor layer, and the first conductor layer includes multiple extend along column direction and arranged along line direction
First touch control electrode of cloth, and multiple second touch control electrodes being arranged in array along line direction and column direction, adjacent two
At least provided with a row second touch control electrode between first touch control electrode；And a plurality of first metal wire, each first metal wire and one
Row second touch control electrode is corresponding, and each second touch control electrode of each first metal wire for connecting corresponding same a line；
Pressure touch display device includes touch controllable function layer and pressure sensitive functional layer；Touch controllable function layer include the first touch control electrode portion and
Second touch control electrode portion, the first touch control electrode portion includes multiple first touch control electrodes, and second touch control electrode portion includes multiple along row
Second touch control electrode and a plurality of first metal wire that direction and column direction are arranged in array；Pressure sensitive functional layer includes pressure
Induction electrode and pressure detecting electrode；Backlight module includes pressure sensitive electrode, and each pressure sensitive electrode is to extend along column direction
Strip shaped electric poles；Wherein, second touch control electrode portion is multiplexed with pressure detecting electrode；In the touch control detection stage in frame period, second
Touch control electrode is used to receive touch control detection signal, and the first touch control electrode is used to gather touch sensible signal；In the pressure in frame period
Detection-phase, second touch control electrode is used to receive pressure detecting signal, and pressure sensitive electrode is used to gather pressure sensitive signal.
The embodiment of the present application additionally provides a kind of driving method, for driving above-mentioned pressure touch display device, method bag
Include during the touch detection in frame period, provide touch control detection signal to second touch control electrode, and receive the first touch control electrode and adopt
The touch sensible signal of collection；During the pressure detecting in frame period, pressure detecting signal is provided to second touch control electrode, and receive
The pressure sensitive signal of pressure sensitive electrode collection.
Pressure touch display device and its driving method that the application is provided, are examined by the way that second electrode portion is multiplexed with into pressure
Electrode is surveyed, pressure sensitive electrode is made on backlight module, it is possible to reduce the processing step that pressure touch display device makes, is carried
High yield.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
A kind of cross section structure schematic diagram for pressure touch display device that Fig. 1 provides for the embodiment of the present application；
Fig. 2 is the schematic top plan view and pressure sensitive electrode and array base palte of array base palte in display panel shown in Fig. 1
Relative position relation schematic diagram；
Fig. 3 is to be formed between second touch control electrode portion and pressure sensitive electrode in pressure touch display device shown in Fig. 1
A kind of capacitance structure schematic diagram；
Fig. 4 is the structural representation of capacitance structure under pressure shown in Fig. 3；
The cross section structure schematic diagram for another pressure touch display device that Fig. 5 provides for the embodiment of the present application；
Fig. 6 is the schematic top plan view and pressure sensitive electrode and array base palte of array base palte in display panel shown in Fig. 5
Relative position relation schematic diagram；
Fig. 7 is to be formed between second touch control electrode portion and pressure sensitive electrode in pressure touch display device shown in Fig. 5
Another capacitance structure schematic diagram；
Fig. 8 is the structural representation of capacitance structure under pressure shown in Fig. 7；
A kind of driving side applied to pressure touch display device shown in Fig. 1 or Fig. 5 that Fig. 9 provides for the embodiment of the present application
The timing diagram of method；
Figure 10 provide for the embodiment of the present application another be applied to the drive of pressure touch display device shown in Fig. 1 or Fig. 5
The timing diagram of dynamic method.
Embodiment
The application 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 only used for explaining related invention, rather than the restriction to the invention.It also should be noted that, in order to just
Illustrate only in description, accompanying drawing to about the related part of invention.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Incorporated by reference to Fig. 1 and Fig. 2, a kind of cross section structure for pressure touch display device that Fig. 1 provides for the embodiment of the present application
Schematic diagram.Fig. 2 is the schematic top plan view and the phase of pressure sensitive electrode and array base palte of array base palte in display panel shown in Fig. 1
To position relationship schematic diagram.
In the present embodiment, pressure touch display device 100 includes display panel 10 and backlight module 20.
Optionally, display panel 10 is liquid crystal display panel, including array base palte 11, is oppositely arranged with array base palte 11
Opposite substrate 12 and the liquid crystal 13 being arranged between array base palte 11 and opposite substrate 12.
Pixel electrode (not shown) and public electrode, wherein pixel electrode are for example could be formed with array base palte 11
Can be than public electrode closer to opposite substrate 12；Or pixel electrode can be than public electrode further from opposite substrate 12.Separately
Outside, public electrode is additionally formed in opposite substrate 12.In the embodiment of the present application with public electrode formation in array base palte
Illustrated in 11.
In this example it is shown that panel 10 can include the first conductor layer and a plurality of first metal wire 113.
In the present embodiment, the first conductor layer for example can be the conductor layer to form public electrode.Form public electrode
The conductor layer that conductor layer can for example be formed for transparent conductive material.Multiple first touch control electrodes are formed with the first conductor layer
111 and multiple second touch control electrodes 112.
In the present embodiment, multiple first touch control electrodes 111 extend along column direction, arranged along line direction.Multiple second touch
Control electrode 112 is arranged in array along line direction and column direction.That is the first conductor layer include it is multiple extend along column direction, edge
First touch control electrode 111 of line direction arrangement, and multiple second touch control electrodes being arranged in array along line direction and column direction
112。
In the present embodiment, each second touch control electrode 112 can be multiplexed with public electrode in the display stage.In display rank
It can apply identical public voltage signal in section, each second touch control electrode 112.
In application scenes, can be arranged at least provided with one between two the first touch control electrodes 111 of arbitrary neighborhood
Two touch control electrodes 112.Optionally, any one first touch control electrode 111 can be formed in the second touch-control electricity being arranged in array
In pole 112 between two adjacent row second touch control electrodes 112.
Each the first metal wire of bar 113 formed with the metal level of the first conductor layer different layers.Wherein any one first
Metal wire 113 is corresponding with a line second touch control electrode 112, and any one the first metal wire 113 by via 114 connection with
Its corresponding multiple second touch control electrode 112.
Mutually insulated between first touch control electrode 111 and second touch control electrode 112, after signal is respectively received the two it
Between can produce electric field.So, capacitance structure is formed between the first touch control electrode 111 and second touch control electrode 112.It can utilize
The capacitance structure that is formed between first touch control electrode 111 and second touch control electrode 112 detects the position of touch operation.For example,
During the touch detection of a frame picture, second touch control electrode 112 can be used for receiving touch control detection signal, the first touch control electrode
111 can be used for gathering touch sensible signal.Above-mentioned touch control detection signal for example can be pulse letter with touch sensible signal
Number.When no touch is operated, touch control detection signal and touch sensible signal can be identical pulse signal.When there is touch in the external world
When acting in pressure touch display device 100, the first touch-control electricity near touch location can be caused due to touch operation
In the change of the capacitance of the capacitance structure formed between pole 111 and second touch control electrode 112, therefore second touch control electrode 112
Touch sensible signal changed compared to the touch control detection signal in the first touch control electrode 111, the second touch-control electricity can be passed through
Change of the touch sensible signal compared to the touch control detection signal in the first touch control electrode 111 on pole 112, and the first touch-control electricity
The coordinate of pole 111 and the coordinate of second touch control electrode 112 detect particular location that touch operation occurs.
In addition, pressure touch display device 100 also includes touch controllable function layer and pressure sensitive functional layer.Touch controllable function layer bag
Include the first touch control electrode portion and second touch control electrode portion.
First touch control electrode portion includes multiple first touch control electrodes 111.
Second touch control electrode portion include multiple second touch control electrodes 112 being arranged in array along line direction and column direction and
A plurality of first metal wire 113 for connecting each row second touch control electrode.In application scenes, second touch control electrode portion can
Think a line second touch control electrode 112 and the first metal wire 113 being connected with the row second touch control electrode.Should in other
With in scene, second touch control electrode portion can also for multirow second touch control electrode 112 and with above-mentioned multirow second touch control electrode
The second metal wire 113 that each row second touch control electrode 112 in 112 is connected respectively.
Pressure sensitive functional layer can include pressure sensitive electrode 26 and pressure detecting electrode.Wherein, backlight module 20 is wrapped
Include pressure sensitive electrode 26.Each pressure sensitive electrode 26 is the strip shaped electric poles extended along column direction.
Second touch control electrode portion can be multiplexed with to pressure detecting electrode in the present embodiment.For example can be by a line second
Touch control electrode 112 and the first metal wire 113 being connected with the row second touch control electrode 112 are multiplexed with pressure detecting electrode.
So, capacitance structure C1, and second touch control electrode are formed between second touch control electrode portion and pressure sensitive electrode 26
Include distance variable space 115 between portion and pressure sensitive electrode.When ambient pressure is acted in pressure touch display device
When, the distance between second touch control electrode portion and pressure sensitive electrode 26 change, and cause second touch control electrode portion and pressure
The capacitance of capacitance structure C1 between induction electrode 26 changes.Can be according to the change of above-mentioned capacitance structure C1 capacitance
Change to determine whether that external force is acted in pressure touch display device, can further determine the size of pressure.
In the pressure detecting stage in frame period, second touch control electrode portion can be used for receiving pressure detecting signal, feeling of stress
Electrode 26 is answered to can be used for gathering pressure sensitive signal.Wherein, pressure detecting signal and pressure sensitive signal can be pulse letter
Number.When being acted on without ambient pressure in pressure touch display device, pressure detecting signal can be phase with pressure sensitive signal
Same pulse signal.When there is ambient pressure to act in pressure touch display device, because capacitance structure C1 capacitance will
Change, then pressure sensitive signal relative pressure detection signal also changes.It can be pressed according to pressure sensitive signal is relative
The variable quantity of power detection signal has detected whether that ambient pressure is acted in pressure touch display device, it is possible to further
Detect the variable quantity of signal to detect the size of ambient pressure according to pressure sensitive signal relative pressure.
In the present embodiment, second touch control electrode portion is multiplexed with pressure detecting electrode.Touching during a frame picture is shown
The control stage sends touch control detection voltage signal to each row second touch control electrode in turn successively, and is gathered from each first touch control electrode
Touch sensible signal, in the frame picture pressure detecting stage, can send pressure inspection to each row second touch control electrode in turn successively
Voltage signal is surveyed, or simultaneously to each second touch control electrode transmission pressure detecting voltage signal, and adopted from pressure sensitive electrode
Collect pressure sensitive voltage signal.Further, the touch-control stage can overlap with the pressure detecting stage, specifically touching in a frame picture
In the control stage, touch control detection voltage signal is sent to each row second touch control electrode in turn successively, while being gathered from the first touch control electrode
Touch sensible signal and from pressure sensitive electrode receive pressure sensitive signal.
In the present embodiment, by the way that second touch control electrode portion is multiplexed with into pressure detecting electrode, reduce extra in display
The processing step of pressure detecting electrode is made on panel, production rate is improved, production cost is reduced.
In some optional implementations of the present embodiment, pressure sensitive electrode 26 can be shaped to and first
The shape of touch control electrode 111 is identical.That is, the first touch control electrode 111 is identical with the shape of pressure sensitive electrode 26.Enter one
Step ground, any one pressure sensitive electrode 26 can be with one of them the first touch control electrode 111 to the orthographic projection of the first conductor layer
It is overlapping.So, second touch control electrode portion and pressure sensitive electrode in pressure touch display device shown in Fig. 1 as illustrated in FIG. 3
Between a kind of capacitance structure schematic diagram for being formed.Pressure sensitive electrode 26 is with being connected adjacent two row second touch control electrode in figure 3
A plurality of first metal wire 113 between just to part form multiple capacitance structures.Capacitance structure shown in Fig. 3 as shown in Figure 4
Structural representation under pressure.When there is ambient pressure to be applied in pressure touch display device 100, pressure applies position
The distance between at least one the first metal wires 113 near putting and pressure sensitive electrode 26 change, and cause active force to be applied
Plus the electric capacity of at least one capacitance structure of at least one the first near position between metal wire 113 and pressure sensitive electrode 26
Value c1 changes, such as the capacitance after changing can be c1 '.By analyzing pressure can be sensed on pressure sensitive electrode
Difference between induced signal and pressure detecting signal analyzes the size of pressure.In addition it is also possible to by analyzing feeling of stress
The coordinate of electrode and the coordinate for the multiple second touch control electrodes being connected with the first metal wire is answered to analyze the position of pressure effect.
Due to the shape of pressure detecting electrode is set into identical with the shape of the first touch control electrode, when making pressure detecting electrode with system
Same mask plate can be multiplexed when making the first touch control electrode, cost of manufacture can be so saved.
In some optional implementations of the present embodiment, pressure touch display device 100 also includes the first integrated circuit
IC1, touch control detection signal wire 101, touch sensible signal wire 103 and pressure sensitive signal wire 102.Each bar touch sensible signal wire
103 one end is electrically connected with one of them first touch control electrode 111.
One end of each touch control detection signal wire 101 for example can with electrically connect with wherein a line second touch control electrode 112
First metal wire 113 is electrically connected.One end of each pressure sensitive signal wire 102 electrically connects one of pressure sensitive electrode 26.
First IC 1 is used to export touch-control to each second touch control electrode 112 by each touch control detection signal wire 101
Detect signal and/or pressure detecting signal.And receive what each pressure sensitive electrode 26 was gathered by each pressure sensitive signal wire 102
Pressure sensitive signal.In some optional implementations of the present embodiment, above-mentioned each pressure sensitive signal wire 102 can be made
In flexible PCB.
Still optionally further, the first IC 1 can be also used for receiving each by each touch sensible signal wire 103
The touch sensible signal of first touch control electrode 111 collection.
In some optional implementations of the present embodiment, pressure touch display device 100 also includes the second integrated circuit
(not shown).Second integrated circuit can be used for receiving each first touch control electrode 111 by each touch sensible signal wire 103
The touch sensible signal of collection.That is, the touch sensible signal collected can be separately sent to pressure sensitive signal
Touch location analysis and pressure value analysis are carried out in second integrated circuit and the first IC 1.
In some optional implementations of the present embodiment, as shown in figure 1, backlight module 20 includes framework 25 and backlight list
Member.Its middle frame 25 is used to support back light unit.Pressure sensitive electrode 26 can be arranged between back light unit and framework 25.This
Place, framework 25 can be metal framework or the framework of organic matter formation.
When framework 25 is metal framework can first in framework 25 towards plating a layer insulating on the side of back light unit,
Then multiple pressure sensitive electrodes are formed in side of the insulating barrier away from framework 25.When the framework that framework 25 is organic matter formation
When, directly it can form pressure sensitive electrode 26 towards the side of back light unit in framework 25.
In some optional implementations of the present embodiment, back light unit can include multiple film layers, such as from close to aobvious
Show brightening piece 21, diffusion sheet 22, light guide plate 23 and reflector plate 24 that the side of panel 10 is once set to close framework side etc..
Wherein pressure sensitive electrode can also be arranged at the side of the frame oriented 25 of reflector plate 24.
Another pressure touch display device that the embodiment of the present application is provided is shown continuing with combination Fig. 5 and Fig. 6, Fig. 5
Structural representation；Fig. 6 shows the schematic top plan view of array base palte and pressure sensitive electrode and battle array in display panel shown in Fig. 5
The relative position relation of row substrate.
Identical with embodiment illustrated in fig. 1, Fig. 5 and the pressure touch display device 200 shown in Fig. 6 include the He of display panel 10
Backlight module 20.
Display panel 10 includes array base palte 11, the opposite substrate 12 being oppositely arranged with array base palte and is arranged on array
Liquid crystal layer 13 between substrate 11 and opposite substrate 12.
Display panel 10 includes the first conductor layer.First conductor layer can be display panel in be used for form public electrode
Transparent conductor layer.
Multiple the first touch control electrodes 111 for extending along column direction and being arranged along line direction are provided with first conductor layer, and
Between multiple second touch control electrodes 112 being arranged in array along line direction and column direction, two adjacent the first touch control electrodes 111
At least provided with a row second touch control electrode 112.
In addition, also including a plurality of first metal wire 113 in display panel.Wherein a plurality of first metal wire 113 is led with first
Body layer different layers.Each first metal wire 113 is corresponding with a line second touch control electrode 112, and each first metal wire 113 passes through mistake
Hole 114 connects each second touch control electrode 112 of corresponding same a line.
Pressure touch display device 200 also includes touch controllable function layer and pressure sensitive functional layer.Touch controllable function layer includes the
One touch control electrode portion and second touch control electrode portion.
First touch control electrode portion includes multiple first touch control electrodes.Second touch control electrode portion includes multiple along line direction and row
Second touch control electrode 112 and a plurality of first metal wire 113 that direction is arranged in array.For example second touch control electrode portion can be wrapped
Include a line second touch control electrode 112 and the first metal wire 113 being connected with the row second touch control electrode 112.
Pressure sensitive functional layer includes pressure sensitive electrode 27 and pressure detecting electrode.Second electrode portion is multiplexed with pressure inspection
Survey electrode.
Backlight module 20 includes pressure sensitive electrode 27, and each pressure sensitive electrode 27 is the strip electricity extended along column direction
Pole.Wherein, pressure sensitive electrode 27 covers a row second touch control electrode 112 to the orthographic projection of the first conductor layer.
In the present embodiment, capacitance structure C2 is formed between second touch control electrode portion and pressure sensitive electrode 27.
Fig. 7 is refer to, it illustrates second touch control electrode portion in pressure touch display device shown in Fig. 5 and pressure sensitive electricity
Another capacitance structure schematic diagram formed between pole.As shown in fig. 7, each second touch control electrode in second touch control electrode portion
Capacitance structure is formed between a 112 corresponding pressure sensitive electrodes 27.Due to right with it by each second touch control electrode 112
There are variable spaces 115 between the pressure sensitive electrode answered, therefore, the formed capacitance structure of each second touch control electrode 112
The distance variable of pressure sensitive electrode.Fig. 8 is refer to, it is the structural representation of capacitance structure under pressure shown in Fig. 7.
When there is ambient pressure to act in pressure touch display device 200, the corresponding pressure sensitive of each second touch control electrode 112
The capacitance c2 of the capacitance structure formed between electrode 27 will change.The capacitance c2 of above-mentioned capacitance structure can for example become
Turn to c2 '.Therefore can cause the pressure sensitive signal collected on pressure sensitive electrode with to transmitting in second touch control electrode
Pulse voltage signal changes, and can detect whether ambient pressure work according to the pulse voltage signal of above-mentioned change
With it is possible to further detect the size of pressure.Optionally, can also be according to the coordinate of pressure sensitive electrode and second
The coordinate of touch control electrode calculates the position coordinates of pressure effect.
In some optional implementations of the present embodiment, backlight module 20 includes framework 25 and back light unit.Feeling of stress
Electrode 27 is answered to be arranged between back light unit and framework 25.Herein, framework 25 can be metal framework or organic matter shape
Into framework.
When framework 25 is metal framework can first in framework 25 towards plating a layer insulating on the side of back light unit,
Then multiple pressure sensitive electrodes 27 are formed in side of the insulating barrier away from framework.When the framework that framework 25 is organic matter formation
When, directly it can form pressure sensitive electrode 27 towards the side of back light unit in framework 25.
In some optional implementations of the present embodiment, back light unit can include multiple film layers, such as from close to aobvious
Show brightening piece 21, diffusion sheet 22, light guide plate 23 and reflector plate 24 that the side of panel 10 is once set to close framework side etc..
Wherein pressure sensitive electrode 27 can also be arranged at the side of the frame oriented 25 of reflector plate 24.Further, pressure sensitive electrode
27 can also be arranged in any one film layer of backlight module 20.
In some optional implementations of the present embodiment, pressure touch display device 200 can include the first integrated electricity
Road IC1, touch control detection signal wire 101, touch sensible signal wire 103 and pressure sensitive signal wire 102.Each touch sensible signal wire
103 one end is electrically connected with one of them first touch control electrode 111.Each touch control detection signal wire 103 one end electricity and with each row
The first metal wire 113 that a line second touch control electrode 112 in second touch control electrode 112 is connected is electrically connected.Each pressure sensitive letter
One end of number line 102 electrically connects one of pressure sensitive electrode 27.
First IC 1 is used to export touch-control to each second touch control electrode 112 by each touch control detection signal wire 103
Detect signal and/or pressure detecting signal.And receive what each pressure sensitive electrode 27 was gathered by each pressure sensitive signal wire 102
Pressure sensitive signal.
In some optional implementations of the present embodiment, the first IC 1 can be also used for feeling by each touch
Induction signal line 103 receives the touch sensible signal that each first touch control electrode 111 is gathered.
In some optional implementations of the present embodiment, pressure touch display device 200 also includes the second integrated circuit
(not shown).Second integrated circuit can be also used for believing that line 103 receives each first touch control electrode 111 by each touch sensible
The touch sensible signal of collection.
It will be understood by those skilled in the art that in array base palte in the pressure touch display device of the application except including
Outside first conductor layer, some other known structures, such as underlay substrate can also be included, and be formed at underlay substrate
On thin film transistor (TFT), pixel electrode and each conductive layer between insulating barrier etc..In order to not obscure the emphasis of the application,
No longer these known structures will be further described.
Fig. 9 is refer to, it illustrates a kind of pressure touch for shown in Fig. 1 or Fig. 5 that the embodiment of the present application is provided
The timing diagram 300 of the driving method of display device.
One frame picture display period can be including during showing, during touch detection and during pressure detecting.Wherein show
Multiple display stages can be included during showing, during can including multiple touch control detection stages, pressure detecting during touch detection
Multiple pressure detecting stages can be included.
As shown in figure 9, in a frame period, during showing, second touch control electrode is multiplexed with public electrode.In the display phase
Between to each second touch control electrode simultaneously send public voltage signal for display panel carry out image show.
During touch detection, second touch control electrode is multiplexed with touch detection electrode.To the second touch-control during touch detection
Electrode provides touch control detection signal.Touch control detection signal for example can be pulse signal.Meanwhile, by being arranged in display device
First integrated circuit or the second integrated circuit receive the touch sensible signal of the first touch control electrode collection.
During pressure detecting, second touch control electrode is multiplexed with pressure detecting electrode.To the second touch-control during pressure detecting
Electrode provides pressure detecting signal.Pressure detecting signal for example can be pulse signal.Shown simultaneously by being arranged at pressure touch
The first integrated circuit in device receives the pressure sensitive signal on pressure sensitive electrode, and pressure sensitive signal for example can be arteries and veins
Rush signal.
In the application scenes of the present embodiment, it is above-mentioned during the touch detection of a frame picture cycle to the second touch-control
The touch-control provided during touch control detection signal and the pressure detecting of the frame picture cycle that electrode is provided to second touch control electrode is examined
It can be identical pulse signal to survey signal.
Further, it is also possible to constant voltage signal is provided as pressure detecting signal to second touch control electrode, it is now constant
Voltage signal signal as the reference voltage.Pulse signal, which is provided, to pressure sensitive electrode is used as pressure sensitive signal.It can lead to
Excess pressure induced signal has detected whether pressure effect with respect to the change of reference voltage signal on the display apparatus, further
Ground, can detect the size of pressure.
Figure 10 is refer to, is touched it illustrates another pressure for shown in Fig. 1 or Fig. 5 that the embodiment of the present application is provided
Control the timing diagram 400 of the driving method of display device.
In the same frame period, during display being included, during pressure detecting and during touch detection.Wherein pressure
Include multiple pressure detecting stages during detection, multiple touch control detection stages are included during touch detection.
In a frame period, during showing, second touch control electrode is multiplexed with public electrode；During touch detection, second
Touch control electrode is multiplexed with touch detection electrode；During pressure detecting, second touch control electrode is multiplexed with pressure detecting electrode
In the same frame period, there is at least one touch control detection stage is multiplexed with the pressure detecting stage.That is,
Among one frame picture cycle, the pulse signal that at least one touch control detection stage is applied to second touch control electrode can both be made
Pressure detecting signal is used as touch control detection signal again.
Further, it is also possible to there is at least one pressure detecting stage and at least one touch control detection rank in the same frame period
Section part is overlapping.That is, in the presence of at least one pressure detecting stage, in the pressure detecting stage, at least in the presence of simultaneously
Send a period of time of touch control detection signal and pressure detecting signal simultaneously to second touch control electrode.Optionally, can be to second
Touch control electrode sends identical pulse signal and had not only done touch control detection signal but also done pressure detecting signal.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical schemes formed by any combination.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical characteristic of energy carries out technical scheme formed by replacement mutually.
Claims (12)
1. a kind of pressure touch display device, it is characterised in that including：
Display panel and backlight module；
The display panel includes the first conductor layer, and first conductor layer includes multiple extend along column direction and arranged along line direction
The first touch control electrode, and multiple second touch control electrodes being arranged in array along the line direction and the column direction are adjacent
Two first touch control electrodes between at least provided with a row second touch control electrode；And
A plurality of first metal wire, each first metal wire is corresponding with a line second touch control electrode, and each first metal
Line is used for each second touch control electrode for connecting corresponding same a line；
The pressure touch display device includes touch controllable function layer and pressure sensitive functional layer；
The touch controllable function layer includes the first touch control electrode portion and second touch control electrode portion, and the first touch control electrode portion includes many
Individual first touch control electrode, the second touch control electrode portion is arranged including multiple along the line direction and the column direction in array
The second touch control electrode of cloth and a plurality of first metal wire；
The pressure sensitive functional layer includes pressure sensitive electrode and pressure detecting electrode；
The backlight module includes the pressure sensitive electrode, and each pressure sensitive electrode is the bar extended along the column direction
Shape electrode；
Wherein, the second touch control electrode portion is multiplexed with pressure detecting electrode；
In the touch control detection stage in frame period, the second touch control electrode is used to receive touch control detection signal, first touch-control
Electrode is used to gather touch sensible signal；
In the pressure detecting stage in frame period, the second touch control electrode is used to receive pressure detecting signal, the pressure sensitive
Electrode is used to gather pressure sensitive signal.
2. pressure touch display device according to claim 1, it is characterised in that：
First touch control electrode is identical with the shape of the pressure sensitive electrode；
Each pressure sensitive electrode is overlapping with the first touch control electrode one of them described to the orthographic projection of first conductor layer.
3. pressure touch display device according to claim 1, it is characterised in that each pressure sensitive electrode is to described
The row second touch control electrode of orthographic projection covering one of first conductor layer.
4. pressure touch display device according to claim 1, it is characterised in that each first touch control electrode formation exists
In the second touch control electrode being arranged in array between two adjacent row second touch control electrodes.
5. pressure touch display device according to claim 4, it is characterised in that also including the first integrated circuit, touch-control
Signal lines, touch sensible signal wire and pressure sensitive signal wire；
One end of each touch sensible signal wire is electrically connected with the first touch control electrode one of them described, each touch control detection
One end of signal wire and the first metal wire electrical connection electrically connected with wherein a line second touch control electrode, each pressure sensitive letter
One end of number line electrically connects one of pressure sensitive electrode；
First integrated circuit is used to export touch-control to each second touch control electrode by each touch control detection signal wire
Signal and/or pressure detecting signal are detected, and each pressure sensitive electrode is received by each pressure sensitive signal wire and is adopted
The pressure sensitive signal of collection.
6. pressure touch display device according to claim 5, it is characterised in that first integrated circuit is additionally operable to lead to
Cross the touch sensible signal that each touch sensible signal wire receives each first touch control electrode collection.
7. pressure touch display device according to claim 5, it is characterised in that also including the second integrated circuit；
Second integrated circuit is additionally operable to receive each first touch control electrode collection by each touch sensible signal wire
Touch sensible signal.
8. pressure touch display device according to claim 1, it is characterised in that the backlight module includes framework and the back of the body
Light unit, wherein the framework is used to support the back light unit and the display panel；
The pressure sensitive electrode is located between the back light unit and the framework.
9. a kind of driving method, for driving the pressure touch display device as described in claim 1-8 any one, its feature
It is, including：
During the touch detection in frame period, touch control detection signal is provided to the second touch control electrode, and receive described first
The touch sensible signal of touch control electrode collection；
During the pressure detecting in frame period, pressure detecting signal is provided to the second touch control electrode, and receive the pressure
The pressure sensitive signal of induction electrode collection.
10. driving method according to claim 9, it is characterised in that：
The touch control detection signal and the pressure detecting signal are identical pulse signal.
11. driving method according to claim 10, it is characterised in that：
In the same frame period, at least one pressure detecting stage and at least one touch control detection stage part are overlapping.
12. driving method according to claim 11, it is characterised in that：
In the same frame period, at least one described touch control detection stage is multiplexed with the pressure detecting stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217644.XA CN106990867B (en) | 2017-04-05 | 2017-04-05 | Pressure touch display device and its driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217644.XA CN106990867B (en) | 2017-04-05 | 2017-04-05 | Pressure touch display device and its driving method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106990867A true CN106990867A (en) | 2017-07-28 |
| CN106990867B CN106990867B (en) | 2019-09-24 |
Family
ID=59416376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710217644.XA Active CN106990867B (en) | 2017-04-05 | 2017-04-05 | Pressure touch display device and its driving method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106990867B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407406A (en) * | 2018-12-24 | 2019-03-01 | 厦门天马微电子有限公司 | Display module and display device |
| US11476437B2 (en) | 2018-06-22 | 2022-10-18 | Beijing Boe Technology Development Co., Ltd. | Display panel and method for manufacturing the same, display device and control method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076992A (en) * | 2013-03-27 | 2014-10-01 | 群创光电股份有限公司 | Touch element and electronic device |
| CN105528120A (en) * | 2016-03-04 | 2016-04-27 | 京东方科技集团股份有限公司 | Display substrate and driving method thereof and display device |
| CN105718129A (en) * | 2016-04-20 | 2016-06-29 | 京东方科技集团股份有限公司 | Touch display panel and driving method thereof |
| CN105786243A (en) * | 2016-02-03 | 2016-07-20 | 京东方科技集团股份有限公司 | Touch display panel and preparation method thereof, and display device and driving method thereof |
| CN105786287A (en) * | 2016-05-18 | 2016-07-20 | 上海天马微电子有限公司 | Touch control display device and driving method thereof |
| KR20160141881A (en) * | 2015-04-30 | 2016-12-12 | 주식회사 하이딥 | Touch input device |
| CN106293212A (en) * | 2016-08-02 | 2017-01-04 | 厦门天马微电子有限公司 | Array base palte, display floater and driving method thereof, display device |
| CN205899510U (en) * | 2016-06-14 | 2017-01-18 | 厦门天马微电子有限公司 | Integrated touch -sensitive display device |
| CN106406608A (en) * | 2016-09-09 | 2017-02-15 | 厦门天马微电子有限公司 | Touch display apparatus and driving method thereof |
-
2017
- 2017-04-05 CN CN201710217644.XA patent/CN106990867B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076992A (en) * | 2013-03-27 | 2014-10-01 | 群创光电股份有限公司 | Touch element and electronic device |
| KR20160141881A (en) * | 2015-04-30 | 2016-12-12 | 주식회사 하이딥 | Touch input device |
| CN105786243A (en) * | 2016-02-03 | 2016-07-20 | 京东方科技集团股份有限公司 | Touch display panel and preparation method thereof, and display device and driving method thereof |
| CN105528120A (en) * | 2016-03-04 | 2016-04-27 | 京东方科技集团股份有限公司 | Display substrate and driving method thereof and display device |
| CN105718129A (en) * | 2016-04-20 | 2016-06-29 | 京东方科技集团股份有限公司 | Touch display panel and driving method thereof |
| CN105786287A (en) * | 2016-05-18 | 2016-07-20 | 上海天马微电子有限公司 | Touch control display device and driving method thereof |
| CN205899510U (en) * | 2016-06-14 | 2017-01-18 | 厦门天马微电子有限公司 | Integrated touch -sensitive display device |
| CN106293212A (en) * | 2016-08-02 | 2017-01-04 | 厦门天马微电子有限公司 | Array base palte, display floater and driving method thereof, display device |
| CN106406608A (en) * | 2016-09-09 | 2017-02-15 | 厦门天马微电子有限公司 | Touch display apparatus and driving method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11476437B2 (en) | 2018-06-22 | 2022-10-18 | Beijing Boe Technology Development Co., Ltd. | Display panel and method for manufacturing the same, display device and control method |
| CN109407406A (en) * | 2018-12-24 | 2019-03-01 | 厦门天马微电子有限公司 | Display module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106990867B (en) | 2019-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105955522B (en) | Touch control display apparatus and its driving method | |
| CN106610749B (en) | Touch control display apparatus and its driving method | |
| CN105094479B (en) | Touch-control display panel, preparation method, driving method and display device | |
| CN103853409B (en) | Display device with touch detection function and electronic apparatus | |
| CN205334426U (en) | Touch display device | |
| CN106293226A (en) | Display floater, display device and driving method | |
| CN105094490B (en) | Touch display panel, touch display unit and its touch control method | |
| CN107291303A (en) | Touch-control display panel and touch control display apparatus | |
| CN107179847A (en) | Detection means, display device and electronic equipment | |
| CN109782941A (en) | Display device with touch panel | |
| CN107402662A (en) | Display device | |
| CN104991683A (en) | OLED (organic light emitting dioxide) touch display panel and control method therefor and display device | |
| CN105786287B (en) | Touch control display apparatus and its driving method | |
| CN107037911A (en) | Touch detecting apparatus, the display device with touch detection function and cover | |
| CN205880425U (en) | Display panel and display apparatus | |
| CN104360780A (en) | Dual-mode touch sensing display | |
| CN103279245A (en) | Touch display device | |
| CN106055158A (en) | Touch display panel and driving method thereof | |
| CN107544720A (en) | The inspection method of array base palte, display device and sensor electrode | |
| CN106909249A (en) | Touch display substrate and touch control display apparatus | |
| CN206147569U (en) | Display panel and display device | |
| CN106371656B (en) | Display device | |
| CN105589600B (en) | Touch-control display panel, touch control display apparatus and touch control detecting method | |
| CN104460139A (en) | Touch display device and electronic device | |
| CN103280448B (en) | A kind of array base palte and preparation method thereof, display unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |