CN107203299A - A kind of touch control display apparatus and display device - Google Patents
A kind of touch control display apparatus and display device Download PDFInfo
- Publication number
- CN107203299A CN107203299A CN201710396251.XA CN201710396251A CN107203299A CN 107203299 A CN107203299 A CN 107203299A CN 201710396251 A CN201710396251 A CN 201710396251A CN 107203299 A CN107203299 A CN 107203299A
- Authority
- CN
- China
- Prior art keywords
- pressure
- sensing electrode
- electrode
- pressure sensing
- touch control
- 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
-
- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the invention discloses a kind of touch control display apparatus and display device, wherein touch control display apparatus includes：First substrate；Second substrate, is oppositely arranged with first substrate；First pressure sensing electrode, is arranged at side of the first substrate away from second substrate；Second pressure sensing electrode, is arranged at first pressure sensing electrode close to the side of second substrate；3rd pressure-sensing electrode, is arranged at second pressure sensing electrode away from first pressure sensing electrode side；Capacitance between second pressure sensing electrode and first pressure sensing electrode is the first electric capacity；Capacitance between second pressure sensing electrode and the 3rd pressure-sensing electrode is the second electric capacity；In the pressure touch detection-phase in touch control detection stage, the pressure value that pressure touch detection-phase is subject to is determined by detecting the capacitance variation amount of the first electric capacity and the capacitance variation amount of the second electric capacity, pressure detecting is sensitive, can lift the pressure sensitivity detection performance of display device.
Description
Technical field
The present embodiments relate to display technology field, more particularly to a kind of touch control display apparatus and display device.
Background technology
Integrated touch control display apparatus is the inside that touch control detection device is integrated in display device, because it possesses display work(
Can be with position touch control detection function, easy to use, man-machine communication experiences, and terminal device is frivolous, integrated level is high, therefore by
To the extensive favor in market.
Specifically, the display panel of prior art is usually provided with the first pressure sensitivity detecting electrode and the second pressure sensitivity detection electricity
Pole, is examined in pressing by detecting the change of the electric capacity formed between the first pressure sensitivity detecting electrode and the second pressure sensitivity detecting electrode
Survey pressure change during pressing.
However, the existing display panel using integrated touch technology, in pressing, the first pressure sensitivity detecting electrode and second
Capacitance variation between pressure sensitivity detecting electrode is smaller, therefore, and the effect for causing pressure sensitivity to detect is unsatisfactory.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of touch control display apparatus and display device, to solve in the prior art
The undesirable technical problem of pressure sensitivity Detection results.
In a first aspect, the embodiments of the invention provide a kind of touch control display apparatus, including：
First substrate；
Second substrate, is oppositely arranged with the first substrate；
First pressure sensing electrode, is arranged at side of the first substrate away from the second substrate；
Second pressure sensing electrode, is arranged at the first pressure sensing electrode close to the side of the second substrate；
3rd pressure-sensing electrode, is arranged at the second pressure sensing electrode away from the first pressure sensing electrode
Side；
Capacitance between the second pressure sensing electrode and the first pressure sensing electrode is the first electric capacity；It is described
Capacitance between second pressure sensing electrode and the 3rd pressure-sensing electrode is the second electric capacity；In the touch control detection stage
Pressure touch detection-phase, by detecting the capacitance variation amount of first electric capacity and the capacitance variation of second electric capacity
Measure to determine pressure value that the pressure touch detection-phase is subject to.
Second aspect, the embodiment of the present invention additionally provides a kind of display device, including the touch-control described in first aspect is shown
Device.
Touch control display apparatus and display device provided in an embodiment of the present invention, by first substrate away from second substrate
Side sets first pressure sensing electrode, sets second pressure to sense close to the side of second substrate in first pressure sensing electrode
Electrode, the 3rd pressure-sensing electrode, the second pressure are set in side of the second pressure sensing electrode away from first pressure sensing electrode
Capacitance between power sensing electrode and first pressure sensing electrode is the first electric capacity, second pressure sensing electrode and the 3rd pressure
Capacitance between sensing electrode is the second electric capacity, by detecting the capacitance variation amount of the first electric capacity and the electric capacity of the second electric capacity
Value changes amount determines pressure value that pressure touch detection-phase is subject to, and pressure value detection is sensitive, lift the pressure sensitivity of display device
Performance is detected, the undesirable technical problem of pressure sensitivity Detection results in the prior art is solved.
Brief description of the drawings
In order to clearly illustrate the technical scheme of exemplary embodiment of the present, below to needed for description embodiment
The accompanying drawing to be used does a simple introduction.Obviously, the accompanying drawing introduced is a part of embodiment of the invention to be described
Accompanying drawing, rather than whole accompanying drawings, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of structural representation of touch control display apparatus provided in an embodiment of the present invention；
Fig. 2 is the structural representation of another touch control display apparatus provided in an embodiment of the present invention；
Fig. 3 is the corresponding schematic diagram of a kind of black matrix layer provided in an embodiment of the present invention and metal grid electrode；
Fig. 4 is that a kind of drive circuit provided in an embodiment of the present invention is sensed by the second touch-control cabling to multiple second pressures
Sub-electrode provides the structural representation of pressure detecting signal；
Fig. 5 is the structural representation of another touch control display apparatus provided in an embodiment of the present invention；
Fig. 6 is the structural representation of another touch control display apparatus provided in an embodiment of the present invention；
Fig. 7 a are that the structure for not touching first pressure sensing electrode during position of touch provided in an embodiment of the present invention is detected is shown
It is intended to；
Fig. 7 b are the structural representations of touch first pressure sensing electrode in position of touch detection provided in an embodiment of the present invention
Figure；
Fig. 8 is a kind of structural representation of display device provided in an embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below with reference to attached in the embodiment of the present invention
Figure, by embodiment, is fully described by technical scheme.Obviously, described embodiment is of the invention
A part of embodiment, rather than whole embodiments, based on embodiments of the invention, those of ordinary skill in the art are not doing
The every other embodiment obtained on the premise of going out creative work, each falls within protection scope of the present invention.
Fig. 1 is a kind of structural representation of touch control display apparatus provided in an embodiment of the present invention, as shown in figure 1, of the invention
The touch control display apparatus that embodiment is provided can include：
First substrate 10；
Second substrate 20, is oppositely arranged with first substrate 10；
First pressure sensing electrode 31, is arranged at side of the first substrate 10 away from second substrate 20；
Second pressure sensing electrode 32, is arranged at first pressure sensing electrode 31 close to the side of second substrate 20；
3rd pressure-sensing electrode 33, is arranged at one of second pressure sensing electrode 32 away from first pressure sensing electrode 31
Side；
Capacitance between second pressure sensing electrode 32 and first pressure sensing electrode 31 is the first electric capacity C1；Second pressure
Capacitance between the pressure-sensing electrode 33 of power sensing electrode 32 and the 3rd is the second electric capacity C2；In the pressure in touch control detection stage
The touch control detection stage, by detecting the first electric capacity C1Capacitance variation amount and the second electric capacity C2Capacitance variation amount determine
The pressure value that pressure touch detection-phase is subject to.
Fig. 1 is refer to, second pressure sensing electrode 32 is arranged at first pressure sensing electrode 31 close to second substrate 20
Side, can be that second pressure sensing electrode 32 is arranged on first substrate 10 close to the side of second substrate 20, can also be
Second pressure sensing electrode 32 is arranged on second substrate 20 close to the side of first substrate 10, and Fig. 1 senses electricity with second pressure
Pole 32 is arranged on second substrate 20 and illustrated exemplified by the side of first substrate 10.3rd pressure-sensing electrode 33 is set
In side of the second pressure sensing electrode 32 away from first pressure sensing electrode 33, the 3rd pressure-sensing electrode 33 can be arranged at
Second substrate 20 can also be arranged at side of the second substrate 20 away from first substrate 10, Fig. 1 close to the side of first substrate 10
Illustrated so that the 3rd pressure-sensing electrode 33 may be contained within side of the second substrate 20 away from first substrate 10 as an example.
As shown in figure 1, first pressure sensing electrode 31 is arranged at the side away from second substrate 20 on first substrate 10, the
Two pressure-sensing electrodes 32 are arranged at first pressure sensing electrode 31 close to the side of second substrate 20, second pressure sensing electrode
32 form the first electric capacity C with first pressure sensing electrode 311.As shown in figure 1, first pressure sensing electrode 31 is in second substrate 20
The upright projection presence of upright projection in the plane with second pressure sensing electrode 32 in the institute of second substrate 20 in the plane
Overlapping region, in this way, the first electric capacity C can be formed between first pressure sensing electrode 31 and second pressure sensing electrode 321.Can
Choosing, first pressure sensing electrode 31 second substrate 20 upright projection in the plane can be with second pressure sensing electrode
32 second substrate 20 upright projection in the plane can so ensure first pressure sensing electrode 31 with completely overlapped
The first electric capacity C between second pressure sensing electrode 321Possesses larger capacitance.
3rd pressure-sensing electrode 33 is arranged on one of second pressure sensing electrode 32 away from first pressure sensing electrode 31
Side, the second electric capacity C of the pressure-sensing electrode 33 of second pressure sensing electrode 32 and the 3rd formation2.As shown in figure 1, second pressure sense
Survey electrode 32 in the institute's upright projection in the plane of second substrate 20 with the 3rd pressure-sensing electrode 33 at the place of second substrate 20
There is overlapping region in the upright projection in plane, in this way, between the pressure-sensing electrode 33 of second pressure sensing electrode 32 and the 3rd
The second electric capacity C can be formed2.Optionally, second pressure sensing electrode 32 second substrate 20 upright projection in the plane
Be fully located at the 3rd pressure-sensing electrode 33 in second substrate 20 in upright projection in the plane, can so ensure second
The second electric capacity C between the pressure-sensing electrode 33 of pressure-sensing electrode 32 and the 3rd2Possesses larger capacitance.
In pressure touch detection-phase, pass through between second pressure sensing electrode 32 and first pressure sensing electrode 31
One electric capacity C1Capacitance variable quantity and the pressure-sensing electrode 33 of second pressure sensing electrode 32 and the 3rd between second
Electric capacity C2Capacitance variable quantity, common detection touch-control pressure size, touch-control pressure detecting sensitivity is high.Specifically, when tactile
When control display device only includes two pressure-sensing electrodes, such as pressure-sensing electrode of first pressure sensing electrode 31 and the 3rd
33, the distance between pressure-sensing electrode 33 of first pressure sensing electrode 31 and the 3rd is d, and facing area is S, first pressure sense
The electric capacity C=ε S/d surveyed between the pressure-sensing electrode 33 of electrode 31 and the 3rd；When touch control display apparatus includes three pressure-sensings
During electrode, such as first pressure sensing electrode 31, the pressure-sensing electrode 33 of second pressure sensing electrode 32 and the 3rd, first pressure
The distance between sensing electrode 31 and second pressure sensing electrode are d1, facing area is S1, first pressure sensing electrode 31 and
Electric capacity C between two pressure-sensing electrodes 321=ε S1/d1；The pressure-sensing electrode 33 of second pressure sensing electrode 32 and the 3rd it
Between distance be d2, facing area is S2, the electric capacity C between the pressure-sensing electrode 33 of second pressure sensing electrode 32 and the 3rd2=
εS2/d2.Due to S=S1=S2, d=d1+d2, therefore C1+C2=ε S1/d1+εS2/d2=ε S (d1+d2)/d1*d2, C=ε S/d, C1+
C2>C, therefore, passes through the first electric capacity C1Capacitance variable quantity and the second electric capacity C2The variable quantity of capacitance detect jointly
Touch-control pressure size, than only passing through the variable quantity of the electric capacity between the pressure-sensing electrode 33 of first pressure sensing electrode 31 and the 3rd
Touch-control pressure size is detected, the sensitivity of touch-control pressure detecting is high.
Optionally, first pressure sensing electrode 31 is arranged at side of the first substrate 10 away from second substrate 20, in non-touch
Detection-phase is controlled, first pressure sensing electrode 31 can be also used for carrying out shielding protection to the touch control display apparatus.Specifically may be used
Be in non-touch-control detection-phase, first pressure sensing electrode 31 can be used for shielding touch control display apparatus producing or using
During the electrostatic that produces, it is to avoid electrostatic causes damage to touch control display apparatus.
Optionally, first pressure sensing electrode 31 is arranged at side of the first substrate 10 away from second substrate 20, the first pressure
First touch-control cabling of power sensing electrode 31 is similarly provided on first substrate 10；Second pressure sensing electrode 32 is arranged at first
Pressure-sensing electrode 31 may be contained within close to the side of second substrate 20, the second touch-control cabling of second pressure sensing electrode 32
On two substrates 20, such first touch-control cabling and the second touch-control cabling will not be interfered, and the first touch-control cabling will not be to second
Pressure-sensing electrode 32 is interfered.
Optionally, pressure detecting signal, first are applied with pressure touch detection-phase, second pressure sensing electrode 32
It is applied with pressure-sensing electrode 31 on first constant reference signal, the 3rd pressure-sensing electrode 33 and is applied with the second constant reference
Signal.The pressure detecting signal can be square-wave signal, or sine wave signal, and the embodiment of the present invention is examined to pressure
Signal waveform is surveyed without limiting；First constant reference signal can be the reference signal of constant voltage values, such as voltage
It is worth the reference signal for 2V, or ground signalling；Second constant reference signal can be equally constant voltage values
Reference signal, such as magnitude of voltage are 2V reference signal, or ground signalling.Optionally, the first constant reference signal with
Second constant reference signal can be with identical, can also be different, here without limiting, the first constant reference signal and second constant
The concrete numerical value of reference signal can be set according to actual product.Specifically, in pressure touch detection-phase, second
It is applied with pressure-sensing electrode 32 in pressure detecting signal, first pressure sensing electrode 31 and is applied with the first constant reference letter
Number, the second constant reference signal is applied with the 3rd pressure-sensing electrode 33, while can be with defeated in second pressure sensing electrode 32
Go out pressure detecting signal.Capacitance between second pressure sensing electrode 32 and first pressure sensing electrode is the first electric capacity C1,
Capacitance between the pressure-sensing electrode 33 of second pressure sensing electrode 32 and the 3rd is the second electric capacity C2, in touch control display apparatus
Be under pressure touch-control when, the first electric capacity C1With the second electric capacity C2Change, therefore, exported from second pressure sensing electrode 32
Pressure detecting signal changed with the pressure-sensing signal that is applied in second pressure sensing electrode 32, pass through and detect two
Change detection pressure value size between pressure-sensing signal.
Fig. 2 is the structural representation of another touch control display apparatus provided in an embodiment of the present invention, as shown in Fig. 2 this hair
The touch control display apparatus that bright embodiment is provided can include：
First substrate 10；
Second substrate 20, is oppositely arranged with first substrate 10；
First pressure sensing electrode 31, is arranged at side of the first substrate 10 away from second substrate 20, first pressure sensing
Electrode 31 includes multiple block first pressure sensing sub-electrodes 311；
Second pressure sensing electrode 32, is arranged at first pressure sensing electrode 31 close to the side of second substrate 20, second
Pressure-sensing electrode 32 includes multiple block second pressure sensing sub-electrodes 321, and second pressure senses sub-electrode 321 and each
First pressure sensing sub-electrode 311 is correspondingly arranged；
3rd pressure-sensing electrode 33, is arranged at one of second pressure sensing electrode 32 away from first pressure sensing electrode 31
Side；
The capacitance that second pressure is sensed between sub-electrode 321 and first pressure sensing sub-electrode 311 is the 4th electric capacity C4,
Capacitance between the second pressure sensing pressure-sensing electrode 33 of sub-electrode 321 and the 3rd is the 5th electric capacity C5, in touch control detection
The pressure touch detection-phase in stage, by detecting the 4th electric capacity C4Capacitance variation amount and the 5th electric capacity C5Capacitance become
Change amount determines pressure value that pressure touch detection-phase is subject to.
As shown in Fig. 2 first pressure sensing electrode 31 can include multiple block first pressure sensing sub-electrodes 311,
Multiple block first pressure sensing sub-electrodes 311 can be with matrix arrangement in side of the first substrate 10 away from second substrate 20；
Second pressure sensing electrode 32 can include multiple block second pressure sensing sub-electrodes 321, multiple block second pressures
Sense sub-electrode 321 equally can with matrix arrangement in first pressure sensing electrode 31 close to the side of second substrate 20.Optionally,
Each first pressure sensing sub-electrode 311 senses sub-electrode 321 with each second pressure and is correspondingly arranged, and is specifically as follows one the
One pressure-sensing sub-electrode 311 can be with a second pressure sensing sub-electrode in the upright projection of the place plane of second substrate 20
321 have overlapping region in the upright projection of the place plane of second substrate 20, optionally, can be first pressure sensing
Electrode 311 senses sub-electrode 321 in the second base in the upright projection of the place plane of second substrate 20 with a second pressure
The upright projection of the place plane of plate 20 is completely overlapped, can so ensure second pressure sensing sub-electrode 321 and first pressure sense
The electric capacity surveyed between sub-electrode 311 possesses larger capacitance.
Optionally, the capacitance between second pressure sensing sub-electrode 321 senses sub-electrode 311 with corresponding first pressure
For the 4th electric capacity C4, it is the 5th electricity that second pressure, which senses the capacitance between the pressure-sensing sub-electrode 33 of sub-electrode 321 and the 3rd,
Hold C5.Pressure detecting signal, the first pressure can be applied with pressure touch detection-phase, second pressure sensing sub-electrode 321
It is applied with the first constant reference signal, the 3rd pressure-sensing sub-electrode 33 that to be applied with second constant on power sensing sub-electrode 311
Reference signal, while output pressure detection signal on the second sensing sub-electrode 321, in the touch control display apparatus effect of being under pressure
When, the 4th electric capacity C4With the 5th electric capacity C5Change, therefore, the pressure detecting exported on sub-electrode 321 is sensed from second pressure
Signal changes with the pressure-sensing signal being applied on second pressure sensing sub-electrode 321, by detecting two feelings of stress
The change detection pressure value size surveyed between signal.Also, first pressure sensing electrode 31 includes multiple block first pressures
Sub-electrode 311 is sensed, second pressure sensing electrode 32 includes multiple block second pressure sensing sub-electrodes 321, touched in pressure
Detection-phase is controlled, by the touch-control that is under pressure on which specific block first pressure sub-electrode 311 of detection, pressure detection structure is more accurate
Really.
Optionally, second pressure sensing electrode 32 can include metal oxide electrode or metal grid electrode, when the
Can be indium-tin oxide electrode when two pressure-sensing electrodes 32 are metal oxide electrode；When second pressure sensing electrode is gold
Can be copper mesh electrode when belonging to grid electrode.
Fig. 3 is refer to, when second pressure sensing electrode 32 is metal grid electrode, the touch control display apparatus can be with
Including black matrix layer 40, black matrix layer 40 can be arranged on first substrate 10, can also be arranged on second substrate 20, Fig. 3
First substrate 10 is arranged at towards illustrating exemplified by the side of second substrate 20 by black matrix layer 40.Optionally, when the second pressure
When power sensing electrode 32 is metal grid electrode, metal grid lines the hanging down in the place plane of black matrix layer 40 of metal grid electrode
Shadow is delivered directly in black matrix layer 40.Optionally, the metal grid lines of metal grid electrode are in the place plane of black matrix layer 40
Upright projection is located in black matrix layer 40, can be that the distance between two neighboring metal grid lines are adjacent with black matrix layer 40
The distance between two black matrix grid lines are equal, as shown in Figure 3；It can also be the distance between two neighboring metal grid lines
For the integral multiple of the distance between two neighboring black matrix grid lines in black matrix layer 40.In this way, black matrix layer 40 can be complete
Metal grid electrode is covered, the aperture opening ratio of touch control display apparatus is not influenceed, it is ensured that the aperture opening ratio of touch control display apparatus is larger.
Optionally, touch control display apparatus can also include drive circuit, in pressure touch detection-phase, drive circuit difference
The first constant reference signal is provided to first pressure sensing electrode 31 by the first touch-control cabling, by the second touch-control cabling to the
Two pressure-sensing electrodes 32 provide pressure detecting signal, and second is provided to the 3rd pressure-sensing electrode 33 by the 3rd touch-control cabling
Constant reference signal (not shown).
It refer to Fig. 4, Fig. 4 is a kind of drive circuit provided in an embodiment of the present invention by the second touch-control cabling to multiple
Two pressure-sensing sub-electrodes provide the structural representation of pressure detecting signal, as shown in figure 4, multiple block second pressure sensings
Sub-electrode 321 can carry out exemplary theory with second pressure sensing sub-electrode 321 in matrix arrangement, Fig. 4 in the row arrangement of three rows three
It is bright.Pressure detecting letter is provided because drive circuit 50 senses sub-electrode 321 by the second touch-control cabling 62 to multiple second pressures
Number, three second pressures sensing sub-electrode 321 of the first row farther out, is sensed apart from drive circuit 50 with the second pressure of the first row
The development length of the corresponding second touch-control cabling 62 of sub-electrode 321 is longer, due to there is resistance on the second touch-control cabling 62, therefore
Pressure detecting signal has larger loss of signal on the second longer touch-control cabling 62, therefore, sets apart from drive circuit
50 part second pressure sensing sub-electrode 321 farther out has less resistance, while setting nearer apart from drive circuit 50
Part second pressure sensing sub-electrode 321 has larger resistance.Because second pressure sensing sub-electrode 321 can include metal
Oxide electrode or metal grid electrode, can basis when second pressure sensing sub-electrode 321 is metal oxide electrode
Second pressure senses the distance between sub-electrode 321 and drive circuit and selects the different metal oxide of material, such as the first row
Three second pressures sensing sub-electrode 321 selection resistivity be ρ1Metal oxide, three second pressure senses of the second row
It is ρ to survey the selection resistivity of sub-electrode 3212Metal oxide, the third line three second pressures sensing sub-electrode 321 select electricity
Resistance rate is ρ3Metal oxide, because resistivity is bigger, resistance is bigger, therefore ρ1<ρ2<ρ3.When second pressure senses sub-electrode
321 when being metal grid electrode, can sense the selection of the distance between sub-electrode 321 and drive circuit according to second pressure different
Three second pressures sensing selection density of sub-electrode 321 of the metal grid electrode of mesh-density, such as the first row is p1Gold
Belong to grid, three second pressures sensing selection density of sub-electrode 321 of the second row is p2Metal grill, three of the third line
Two pressure-sensing sub-electrodes 321 selection resistivity is p3Metal oxide, because metal grill density is bigger, corresponding resistance
It is smaller, therefore, p1>p2>p3.Or, can be according to the second pressure when second pressure sensing sub-electrode 321 is metal grid electrode
Connection in series-parallel relation between power sensing the distance between sub-electrode 321 and drive circuit selection metal grill ensures distance driving electricity
The part second pressure sensing sub-electrode 321 of road 50 farther out has less resistance, the part nearer apart from drive circuit 50 the
Two pressure-sensing sub-electrodes 321 have larger resistance, and Fig. 4 is metal grid electrode i.e. with second pressure sensing sub-electrode 321,
The connection in series-parallel relation between the distance between sub-electrode 321 and drive circuit selection metal grill is sensed according to second pressure simultaneously
To ensure that the part second pressure sensing sub-electrode 321 apart from drive circuit 50 farther out has less resistance, distance driving electricity
The nearer part second pressure sensing sub-electrode 321 in road 50 has larger resistance, as shown in figure 4, setting three of the first row
The metal grid electrode of second pressure sensing sub-electrode 321 is all in parallel, it is ensured that three second pressures sensing electricity of the first row
Pole 321 possesses first resistor R1；Three second pressures of the second row are set to sense the metal grid electrode part string of sub-electrode 321
Connection, part in parallel, it is ensured that three second pressures sensing sub-electrode 321 of the second row possesses second resistance R2；The third line is set
The metal grid electrode of three second pressure sensing sub-electrodes 321 is all connected, it is ensured that three second pressures sensing of the third line
Sub-electrode 321 possesses 3rd resistor R3, wherein, R1<R2<R3, it is ensured that the second pressure sensing sub-electrode 321 at diverse location can
To receive same or similar pressure detecting signal, it is ensured that pressure touch detection-phase pressure detecting is accurate.
Optionally, the touch control display apparatus can also include display panel, and the display panel can be liquid crystal display
Panel or organic LED display panel, when the display panel is liquid crystal display panel, first substrate 10 can be with
For color membrane substrates, second substrate 20 can be array base palte；When the display panel is organic hair diode display panel, the
One substrate 10 can be encapsulation cover plate, and second substrate 20 can be array base palte.
Fig. 5 is refer to, when the display panel is liquid crystal display panel, the touch control display apparatus can also include the back of the body
Optical mode group 70, backlight module 70 is arranged at side of the second substrate 20 away from first substrate 10, and backlight module 70 is used to be liquid crystal
Display panel provides light source.
Exemplary, as shown in figure 5, backlight module 70 can include metal backing 701 and be arranged at metal backing 701
The upper blooming piece 702 close to the side of first substrate 10.Because backlight module 70 includes metal backing 701, therefore touch-control is shown
The 3rd pressure-sensing electrode 33 in device can be the metal backing 701 in backlight module 70, by the gold in backlight module 70
Category backboard 701 is multiplexed with the 3rd pressure-sensing electrode 33 in touch control display apparatus, the set-up mode of the 3rd pressure-sensing electrode 33
Simply, while the film layer that can also be reduced in touch control display apparatus is set, it is ensured that touch control display apparatus is thinned design requirement.
Optionally, when display panel is organic LED display panel, the 3rd pressure-sensing electrode 33 can be made
Side of the second pressure sensing unit 32 away from first pressure sensing electrode 31 is arranged at for single electrode.
Optionally, Fig. 6 is the structural representation of another touch control display apparatus provided in an embodiment of the present invention, shown in Fig. 6
Touch control display apparatus on the basis of the touch control display apparatus described in above-described embodiment can also include polaroid 80, such as Fig. 6
Shown, polaroid 80 is arranged at side of the second substrate 20 away from first substrate 10 by conducting resinl 801, optionally, the second pressure
Power sensing electrode 32 can be shading glue 801.To sum up, the shading glue 801 for connecting second substrate 20 and anti-dazzling screen 80 is multiplexed with
Second pressure sensing electrode 32, the set-up mode of second pressure sensing electrode 32 is simple, while touch control display apparatus can also be reduced
In film layer set, it is ensured that touch control display apparatus be thinned design requirement.
Optionally, the touch control detection stage described in the embodiment of the present invention can also include position of touch detection-phase, touch
Stage position detection is controlled, the capacitance between first pressure sensing electrode 31 and second pressure sensing electrode 32 is the 3rd electric capacity
C3, by detecting that the capacitance variation amount of the 3rd electric capacity determines position of touch.
It is exemplary, as illustrated in figs. 7 a and 7b, in position of touch detection-phase, only by first pressure sensing electrode 31 with
The 3rd electric capacity C between second pressure sensing electrode 323The variable quantity of capacitance be that can determine that position of touch, for example, touching
Control before the detection of position, the capacitance between first pressure sensing electrode 31 and second pressure sensing electrode 32 is C3, occurring
After touch-control, such as during finger contact touch control display apparatus, first pressure sensing electrode 31 and second pressure sensing electrode 32 it
Between capacitance be C3', judge | C3-C3’|≥C0Position be position of touch, wherein, C0Touching for identification is detected for position of touch
Control report point threshold value.
Optionally, the 3rd constant reference signal is applied with position of touch detection-phase, second pressure sensing electrode 32,
3rd constant reference signal can be the reference signal of constant voltage values, and such as magnitude of voltage is 2V reference signal, also may be used
Think ground signalling, concrete numerical value of the embodiment of the present invention not to the 3rd constant reference signal is defined, the 3rd constant reference
The concrete numerical value of signal can be set according to actual product.
Fig. 8 is a kind of structural representation of display device provided in an embodiment of the present invention, with reference to Fig. 8, and display device 100 can
With including the display device 101 described in any embodiment of the present invention.Display device 100 can be the mobile phone shown in Fig. 8, can also
For computer, television set, intelligence wearing display device etc., the embodiment of the present invention is not particularly limited to this.
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, be combined with each other and substitute without departing from protection scope of the present invention.Therefore, although by above example to this
Invention is described in further detail, but the present invention is not limited only to above example, is not departing from present inventive concept
In the case of, other more equivalent embodiments can also be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (14)
1. a kind of touch control display apparatus, it is characterised in that including：
First substrate；
Second substrate, is oppositely arranged with the first substrate；
First pressure sensing electrode, is arranged at side of the first substrate away from the second substrate；
Second pressure sensing electrode, is arranged at the first pressure sensing electrode close to the side of the second substrate；
3rd pressure-sensing electrode, is arranged at one of the second pressure sensing electrode away from the first pressure sensing electrode
Side；
Capacitance between the second pressure sensing electrode and the first pressure sensing electrode is the first electric capacity；Described second
Capacitance between pressure-sensing electrode and the 3rd pressure-sensing electrode is the second electric capacity；In the pressure in touch control detection stage
The touch control detection stage, by detect the capacitance variation amount of first electric capacity and the capacitance variation amount of second electric capacity come
Determine the pressure value that the pressure touch detection-phase is subject to.
It is described 2. touch control display apparatus according to claim 1, it is characterised in that in the pressure touch detection-phase
Pressure detecting signal is applied with second pressure sensing electrode；The first constant reference is applied with the first pressure sensing electrode
The second constant reference signal is applied with signal, the 3rd pressure-sensing electrode.
3. touch control display apparatus according to claim 2, it is characterised in that first constant reference signal and described
Two constant reference signals are ground signalling.
4. touch control display apparatus according to claim 1, it is characterised in that the first pressure sensing electrode includes multiple
Block first pressure sensing sub-electrode, the second pressure sensing electrode includes multiple block second pressure sensing electricity
Pole, each second pressure sensing sub-electrode is correspondingly arranged with each first pressure sensing electrode.
5. touch control display apparatus according to claim 1, it is characterised in that the second pressure sensing electrode includes transparent
Metal oxide electrode or metal grid electrode.
6. touch control display apparatus according to claim 4, it is characterised in that the second pressure sensing sub-electrode includes saturating
Bright metal oxide electrode or metal grid electrode；
The touch control display apparatus also includes drive circuit, when the second pressure sensing sub-electrode is metal grid electrode, leans on
The resistance value of the second pressure sensing sub-electrode of the nearly drive circuit side is more than away from the drive circuit side
The second pressure senses the resistance value of sub-electrode.
7. touch control display apparatus according to claim 1, it is characterised in that also including display panel, the display panel
Including liquid crystal display panel or organic LED display panel.
8. touch control display apparatus according to claim 1, it is characterised in that also including backlight module；
The 3rd pressure-sensing electrode is the metal backing of the backlight module.
9. touch control display apparatus according to claim 1, it is characterised in that also including polaroid；
The polaroid is arranged at side of the second substrate away from the first substrate, the second pressure by conducting resinl
Sensing electrode is the conducting resinl.
10. touch control display apparatus according to claim 5, it is characterised in that also including black matrix layer；
When the second pressure sensing electrode is metal grid electrode, the metal grid lines of the metal grid electrode are described black
The upright projection of plane is located in the black matrix layer where matrix.
11. touch control display apparatus according to claim 1, it is characterised in that the touch control detection stage includes touch-control position
Put detection-phase；
Electricity between the position of touch detection-phase, the first pressure sensing electrode and the second pressure sensing electrode
Capacitance is the 3rd electric capacity, by detecting that the capacitance variation of the 3rd electric capacity determines position of touch.
12. touch control display apparatus according to claim 11, it is characterised in that in the position of touch detection-phase, institute
State and the 3rd constant reference signal is applied with second pressure sensing electrode.
13. touch control display apparatus according to claim 12, it is characterised in that the 3rd constant reference signal is ground connection
Signal.
14. a kind of display device, it is characterised in that including the touch control display apparatus described in claim any one of 1-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396251.XA CN107203299B (en) | 2017-05-27 | 2017-05-27 | Touch display device and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396251.XA CN107203299B (en) | 2017-05-27 | 2017-05-27 | Touch display device and display equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107203299A true CN107203299A (en) | 2017-09-26 |
| CN107203299B CN107203299B (en) | 2020-07-24 |
Family
ID=59906626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710396251.XA Active CN107203299B (en) | 2017-05-27 | 2017-05-27 | Touch display device and display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107203299B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108920007A (en) * | 2018-07-20 | 2018-11-30 | 京东方科技集团股份有限公司 | Touch-control report point threshold setting method and system |
| CN108932078A (en) * | 2018-06-22 | 2018-12-04 | 京东方科技集团股份有限公司 | Touch panel and preparation method thereof, electronic device |
| WO2020103787A1 (en) * | 2018-11-23 | 2020-05-28 | Boe Technology Group Co., Ltd. | Touch control display panel, touch control display apparatus, touch substrate, and method of fabricating touch control display panel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100013779A1 (en) * | 2008-07-15 | 2010-01-21 | Tpo Displays Corp. | Systems for displaying images |
| CN103293749A (en) * | 2012-09-26 | 2013-09-11 | 上海天马微电子有限公司 | Color film substrate of embedded liquid crystal touch screen and embedded liquid crystal touch screen |
| CN104681645A (en) * | 2015-01-23 | 2015-06-03 | 华南师范大学 | Method for preparing composite transparent conductive electrode based on metal grid and metal nano-wire |
| US20150346879A1 (en) * | 2014-05-28 | 2015-12-03 | Samsung Electro-Mechanics Co., Ltd. | Touch sensing apparatus and touchscreen apparatus including the same |
| CN106054433A (en) * | 2016-08-11 | 2016-10-26 | 厦门天马微电子有限公司 | Display panel and driving method thereof, and display unit with display panel |
| CN106066740A (en) * | 2016-08-02 | 2016-11-02 | 厦门天马微电子有限公司 | Touch-control display panel and touch control display apparatus |
-
2017
- 2017-05-27 CN CN201710396251.XA patent/CN107203299B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100013779A1 (en) * | 2008-07-15 | 2010-01-21 | Tpo Displays Corp. | Systems for displaying images |
| CN103293749A (en) * | 2012-09-26 | 2013-09-11 | 上海天马微电子有限公司 | Color film substrate of embedded liquid crystal touch screen and embedded liquid crystal touch screen |
| US20150346879A1 (en) * | 2014-05-28 | 2015-12-03 | Samsung Electro-Mechanics Co., Ltd. | Touch sensing apparatus and touchscreen apparatus including the same |
| CN104681645A (en) * | 2015-01-23 | 2015-06-03 | 华南师范大学 | Method for preparing composite transparent conductive electrode based on metal grid and metal nano-wire |
| CN106066740A (en) * | 2016-08-02 | 2016-11-02 | 厦门天马微电子有限公司 | Touch-control display panel and touch control display apparatus |
| CN106054433A (en) * | 2016-08-11 | 2016-10-26 | 厦门天马微电子有限公司 | Display panel and driving method thereof, and display unit with display panel |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108932078A (en) * | 2018-06-22 | 2018-12-04 | 京东方科技集团股份有限公司 | Touch panel and preparation method thereof, electronic device |
| CN108932078B (en) * | 2018-06-22 | 2023-04-11 | 京东方科技集团股份有限公司 | Touch panel, manufacturing method thereof and electronic device |
| CN108920007A (en) * | 2018-07-20 | 2018-11-30 | 京东方科技集团股份有限公司 | Touch-control report point threshold setting method and system |
| CN108920007B (en) * | 2018-07-20 | 2021-03-12 | 京东方科技集团股份有限公司 | Touch reporting threshold setting method and system |
| WO2020103787A1 (en) * | 2018-11-23 | 2020-05-28 | Boe Technology Group Co., Ltd. | Touch control display panel, touch control display apparatus, touch substrate, and method of fabricating touch control display panel |
| US11307727B2 (en) | 2018-11-23 | 2022-04-19 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Touch control display panel, touch control display apparatus, touch substrate, and method of fabricating touch control display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107203299B (en) | 2020-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9864458B2 (en) | Touch-control display panel | |
| CN103294322B (en) | Touch control display apparatus | |
| CN102207644B (en) | Color filter array substrate, liquid crystal display device comprising the same, and method for manufacturing the same | |
| CN103279245B (en) | Touch control display apparatus | |
| US9798416B2 (en) | Touch display device, driving method thereof, and pressure detection method thereof | |
| CN103926729B (en) | Array substrate, color film substrate, touch display device and driving method thereof | |
| KR101841060B1 (en) | Method of detecting touch position, touch substrate and display device having the same | |
| CN102955311B (en) | A kind of liquid crystal indicator of embedded touch control | |
| US20150346889A1 (en) | Touch panel and touch detection circuit | |
| CN106959790B (en) | Display panel, display device and pressure detection method | |
| US20170351354A1 (en) | Display panel, touch input apparatus, sensing apparatus for sensing touch position and touch pressure from display panel, and sensing method | |
| CN107908034A (en) | Array substrate, touch display panel and touch display panel driving method | |
| US20140362033A1 (en) | Capacitive touch screen | |
| CN106293192A (en) | Pressure-sensing input equipment | |
| CN107643852A (en) | Display panel and display device | |
| US20110242017A1 (en) | Touch screen panel | |
| CN105677112A (en) | Touch display panel and touch display device | |
| CN107728357A (en) | In-cell touch display panel | |
| CN107122080A (en) | A kind of touch control display apparatus | |
| CN104503653B (en) | Self-capacitance touch screen and display device | |
| CN106681571A (en) | Touch screen, display device and driving method of display device | |
| CN107527600A (en) | A kind of display panel and display device | |
| CN107203299A (en) | A kind of touch control display apparatus and display device | |
| CN107728849A (en) | A kind of display panel and display device | |
| CN104991677B (en) | Touch control LCD (Liquid Crystal Display) panel and device |
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 |