CN106484198A - Display contactor control device - Google Patents
Display contactor control device Download PDFInfo
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- CN106484198A CN106484198A CN201510522341.XA CN201510522341A CN106484198A CN 106484198 A CN106484198 A CN 106484198A CN 201510522341 A CN201510522341 A CN 201510522341A CN 106484198 A CN106484198 A CN 106484198A
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Abstract
A kind of open display contactor control device of the present invention, it includes a display floater；One contact panel, is arranged at the side of above-mentioned display floater, and wherein above-mentioned contact panel includes a transparency carrier；The first electrode of multiple patternings, is arranged on above-mentioned transparency carrier along a first direction；And the second electrode of multiple patterning, it is arranged on above-mentioned transparency carrier along a second direction, between above-mentioned first electrode and above-mentioned second electrode, comprises multiple mutual capacitance, collectively form a touch-control sensing structure；And the 3rd electrode of multiple patterning, it is arranged on a bearing substrate, above-mentioned first electrode and above-mentioned 3rd electrode lap on a third direction, or above-mentioned second electrode and above-mentioned 3rd electrode lap on this third direction constitutes a pressure sensing structure, and wherein above-mentioned third direction is a stacking direction of above-mentioned display floater and above-mentioned contact panel.
Description
Technical field
The present invention relates to a kind of show contactor control device, more particularly to one kind has touch-control sensing structure and pressure
The display contactor control device of power sensing structure.
Background technology
There is touch-control in recent years and the display contactor control device of display more and more attracts attention.Particularly mutual capacitance type
(mutual-capacitance type) contact panel, this kind of contact panel is by driving in X-direction
Electrode and the interelectrode capacitance variations sensing in Y-direction, draw the seat of the position that user is touched
Mark.However, having the difficulty being difficult to pick out coordinate position in the way of non-conductor is to input.Therefore,
Need a kind of new display contactor control device, it can improve aforesaid problem.
Content of the invention
For solving the above problems, the present invention provides a kind of display contactor control device, including a display floater；One
Contact panel, is arranged at the side of above-mentioned display floater, and wherein above-mentioned contact panel includes a transparency carrier；
The first electrode of multiple patternings, is arranged on above-mentioned transparency carrier along a first direction；And it is multiple
The second electrode of patterning, is arranged on above-mentioned transparency carrier along a second direction, above-mentioned first electrode
Comprise multiple mutual capacitance and above-mentioned second electrode between, collectively form a touch-control sensing structure；And it is multiple
3rd electrode of patterning, is arranged on a bearing substrate, and above-mentioned first electrode and above-mentioned 3rd electrode exist
Lap on one third direction, or above-mentioned second electrode and above-mentioned 3rd electrode are on this third direction
Lap constitutes a pressure sensing structure, and wherein above-mentioned third direction is that above-mentioned display floater is touched with above-mentioned
One stacking direction of control panel.
Brief description
Figure 1A is a schematic diagram of a display contactor control device of the present invention；
Figure 1B is another schematic diagram of a display contactor control device of the present invention；
Fig. 1 C is another schematic diagram of a display contactor control device of the present invention；
Fig. 1 D is another schematic diagram of a display contactor control device of the present invention；
Fig. 1 E is another schematic diagram of a display contactor control device of the present invention；
Fig. 1 F is another schematic diagram of a display contactor control device of the present invention；
Fig. 1 G is another schematic diagram of a display contactor control device of the present invention；
Fig. 1 H is another schematic diagram of a display contactor control device of the present invention；
Fig. 1 I is another schematic diagram of a display contactor control device of the present invention；
Fig. 1 J is another schematic diagram of a display contactor control device of the present invention；
Fig. 2 is the schematic diagram of first electrode TX and second electrode RXc；
Fig. 3 is the schematic diagram of electrode portion TU and electrode portion RU；
Fig. 4 is the schematic diagram of first electrode TX and the 3rd electrode RXf；
Fig. 5 is another schematic diagram of first electrode TX and the 3rd electrode RXf；
Fig. 6 A is the schematic diagram of the 3rd electrode；
Fig. 6 B is the projected area with the electrode portion of the 3rd electrode for the projected area of electrode portion of first electrode
Schematic diagram；
Fig. 6 C is the projected area with the electrode portion of the 3rd electrode for the projected area of electrode portion of first electrode
Another schematic diagram；
Fig. 6 D is the schematic diagram of another embodiment of the 3rd electrode；
Fig. 7 is the circuit diagram of contact panel；
Fig. 8 is the schematic diagram of the picture frame of display contactor control device；
Fig. 9 is horizontal-drive signal HS and vertical synchronizing signal VS and pressure touch in display floater
The schematic diagram of the relation of sensing signal；
Figure 10 is the schematic diagram of second electrode RXc and the 3rd electrode TXf；
Figure 11 is another schematic diagram of second electrode RXc and the 3rd electrode TXf.
Symbol description
10：Display contactor control device；
100：Display floater；
110：Colored filter；
200：Contact panel；
201：Microprocessor；
202：Drive circuit；
203A、203B：Sensing circuit；
204A、204B：Analog-digital converter；
210：Transparency carrier；
220：Insulating barrier；
230：Polaroid；
240、250：Insulating substrate；
TX, TX1～TX4：First electrode；
RXc：Second electrode；
RXf, RXf1～RXf4, RXf1 ", RXf2 ", RXfA：3rd electrode；
Cm、Cu：Inductance capacitance；
TU, TU1～TU16, RUf：Electrode portion；
S1、S2、S3：Control signal；
HS：Horizontal-drive signal；
VS：Vertical synchronizing signal；
VBP：Part；
FSE：Pressure touch sensing signal.
Specific embodiment
Figure 1A is a schematic diagram of a display contactor control device of the present invention.As illustrated, display touch-control dress
Put 10 and include a display floater 100 and a contact panel 200, and contact panel 200 is arranged at display surface
The side of plate 100.For example, display floater 100 can show for display panels, a Flied emission
Show panel (field emission display panel), an electroluminescence display panel
(electroluminescent display panel), Organic Light Emitting Diode (OLED) display floater or first-class from
Daughter display floater, but it is not limited to this.In one embodiment, contact panel 200 is arranged at display surface
The side of one colored filter (color filter substrate) of plate 100, this side is towards audience.
In one embodiment of this invention, contact panel 200 has two kinds of touch-control sensing and pressure-sensing
Function.As shown in Figure 1A, contact panel 200 at least include multiple patternings first electrode TX,
Second electrode RXc of multiple patternings and the 3rd electrode RXf of multiple patterning.First electrode TX
It is arranged on one first side of transparency carrier 210, and the first side is towards display floater 100.Second electricity
Pole RXc is arranged on the first side of transparency carrier 210, first electrode TX and second electrode RXc structure
Become a touch-control sensing structure, here, touch-control sensing structure is using detecting first electrode TX and the second electricity
Edge capacitance between the RXc of pole changes to determine whether to touch.Wherein, transparency carrier 210 can be
As the transparent cover plate of contact panel 200, this transparent cover plate may include glass cover, plastic cement covers
Cover plate or other have high mechanical properties material formed have protection (for example scratch resistant), cover or beautify
The cover plate of its corresponding intrument, the thickness of transparent cover plate can be between 0.2～2mm.Transparent cover plate can
For flat shape or curve form, or aforesaid combination, for example, 2.5D glass, but not as
Limit, transparent cover plate has more than 85% transmittance.Alternatively, it is also possible to select in transparent covering plate face
To the side that user is operated, one antifouling plated film (Anti-Smudge Coating) is set.
In one embodiment of this invention, first electrode TX and second electrode RXc are formed at an insulating barrier
In 220, and first electrode TX is spaced apart by insulating barrier 220 with second electrode RXc.Optional
Select ground, when insulating barrier 220 is island form, first electrode TX and second electrode RXc are formed at same
One layer.
And shown in embodiment as shown in Figure 1 C, when insulating barrier 220 is whole face, first electrode TX
It is formed at different layers with second electrode RXc, insulating barrier 220 can be organic insulator, inorganic insulation
Layer or the stack layer of organic insulator and inorganic insulation layer, the wherein material of inorganic insulation layer can be oxygen
SiClx or nitrogen oxide, and the material of organic insulator can be photoresist or polyimides
(polyimide).
In addition, in the embodiment shown in Fig. 1 D, first electrode TX and second electrode RXc can also
It is separately positioned on the side of another insulating substrate 240, insulating substrate 240 is simultaneously fitted with transparency carrier 210,
Wherein, this insulating substrate 240 is transparent insulation thin film, transparent insulation plastic substrate or transparent insulation glass
Substrate, but not limited to this or flexual organic substrate, such as polyimide.In Fig. 1 E institute
In the embodiment shown, first electrode TX and second electrode RXc can also be separately positioned on another insulation base
The opposite sides of material 240, insulating substrate 240 is simultaneously fitted with transparency carrier 210.Wherein, this insulation base
Material 240 is transparent insulation thin film, transparent insulation plastic substrate or transparent insulation glass substrate, but is not limited to
This or flexual organic substrate, such as polyimide.
In embodiment shown in Fig. 1 E, Fig. 1 F, Fig. 1 G, Fig. 1 I, first electrode TX and second
Electrode RXc can also be separately positioned on individual other side of two insulating substrates 240 and 250, two
Insulating substrate 240 is fitted with 250 and in transparency carrier 210.Wherein, insulating substrate 240 with 250 is
Transparent insulation thin film, transparent insulation plastic substrate or transparent insulation glass substrate, but not limited to this, also may be used
To be flexual organic substrate, such as polyimide.
Multiple electric capacity can be formed, to constitute touch-control sensing knot between first electrode TX and second electrode RXc
Structure, for example in figure 3, electrode portion TU of first electrode TX and the electrode portion of second electrode RXc
There is clearance for insulation between RU, and set up mutual capacitance between these gaps.In certain embodiments,
First electrode TX is alternatively referred to as drive electrode, and second electrode RXc is alternatively referred to as touch-control sensing electrode,
But it is not limited to this.In wherein one embodiment of the present invention, due to second electrode RXc and the first electricity
Pole TX is formed in same layer, and first electrode TX is arranged at contact panel 200 with second electrode RXc
In from display floater 100 side farther out, therefore the interference from display floater 100 can be reduced.
3rd electrode RXF is arranged on a bearing substrate, for example, can be that in display floater 100 is color
Colo(u)r filter, and the 3rd electrode RXF is towards contact panel 200, first electrode TX and the 3rd electrode
RXf constitute a pressure sensing structure, here, pressure sensing structure be using detecting first electrode TX with
Overlapping with formed on contact panel 200 stacking direction along display floater 100 between 3rd electrode RXf
Capacitance variations are determining whether to touch.As shown in Figure 1A, it discloses the setting structure of the 3rd electrode RXf
Wherein one embodiment, but not limited to this, the 3rd electrode RXf is formed at the colored filter of display floater 100
Towards direction in a polaroid 230 of surface and the contact panel 200 of contact panel 200 in mating plate 110
Between the surface of display floater 100.In one embodiment, the 3rd electrode RXf also can form colorized optical filtering
In an insulating barrier (sign) between piece 110 and polaroid 230, and it is spaced apart by this insulating barrier.
For example, the 3rd electrode RXf is alternatively referred to as pressure-sensing electrode, first electrode TX and the 3rd electrode
RXf also can form multiple mutual capacitance, to constitute pressure sensing structure.In certain embodiments, touch surface
Touch-control sensing structure in plate 200 passes through air, optical clear resin (Optical Clear Resin；OCR)
Or optical cement (Optical Clear Adhesive；OCA) conform to formation display floater 100, and the 3rd electricity
Pole RXf is arranged between display floater 100 and contact panel 200.In one embodiment of this invention,
Aforesaid optical clear resin or optical cement are can deformation.In certain embodiments, contact panel 200
And be formed between the display floater 100 of the 3rd electrode RXf and there is a dielectric layer, for example oil, air,
Glue ... waits insulating medium layer.In one embodiment of this invention, the thickness of this dielectric layer is less than or equal to
0.5mm, but it is not limited to this.In another selectable embodiment, the 3rd electrode RXf is provided in separately
On one bearing substrate, and to be provided with the bearing substrate of the 3rd electrode RXf be to be fitted in display floater 100 and touch
Between control panel 200.
In an embodiment of the present invention, the mutual capacitance that first electrode TX is formed with the 3rd electrode RXf is
First electrode TX and the 3rd electrode RXf are in vertical direction (such as display floater 100 and contact panel 200
Stacking direction, towards the direction of audience or the direction towards colored filter 110) the institute that overlaps each other
Lead to.In an embodiment of the present invention, the mutual capacitance that first electrode TX and second electrode RXc are formed
By first electrode TX with second electrode RXc overlapping each other and led in the horizontal direction.
Figure 1B is another schematic diagram of a display contactor control device of the present invention.As illustrated, in the first mould
In formula, when first electrode TX sends drive signal, between first electrode TX and second electrode RXc
A fringe field can be set up.When finger is touched, because finger is conductor, first electrode therefore can be attracted
The electric lines of force of the fringe field set up between TX and second electrode RXc, equivalent on as shown in Figure 1B,
The capacitance of inductance capacitance Cm can make the Equivalent Edge between first electrode TX and second electrode RXc
Electric capacity (being set up by fringe field) produces change, and second electrode RXc is in order to then to gather capacitance change.
Furthermore, in a second mode, send drive signal first electrode TX can with carry out the of pressure-sensing
Three electrode RXf produce inductance capacitance C μ.When contact panel 200 is stressed and during deformation, first electrode
The distance between TX and the 3rd electrode RXf become near, therefore the capacitance of inductance capacitance C μ can produce change,
And the 3rd electrode RXf is in order to then to gather the capacitance change of inductance capacitance C μ.In an embodiment, touch-control
Panel 200 be stressed generation deformation by conductor (such as finger) and/or non-conductor (such as pointer or wear
The finger of glove) produced.When in one embodiment of this invention, due to first electrode TX, second
Electrode RXc and the 3rd electrode RXf is the electrode after patterning, therefore touch-control sensing structure and feeling of stress
Geodesic structure be all can multi-point touch/multiple spot detecting simultaneously structure.
Fig. 2 is the schematic diagram with second electrode RXc for first electrode TX of local.As illustrated, first
Electrode TX is arranged on transparency carrier 210 along a first direction (such as X-direction), and the first electricity
Pole TX extends along a second direction (such as Y-direction) and is formed.Each first electrode TX include along
The multiple electrodes portion TU that second direction arranges and is electrically connected to each other.In certain embodiments, each first
Multiple electrodes portion TU in electrode TX be with along with complete in processing procedure, and these electrode portions TU are
Continuous and non-interrupted.Each second electrode RXc includes arranging along a first direction and being electrically connected each other
The multiple electrodes portion RU connecing.It is noted that the multiple electrodes portion RU in second electrode RXc passes through
Conductive material be electrically connected be connected into a string.For example, as shown in figure 3, the partial schematic diagram that it is Fig. 2 exists
Adjacent two electrode portions RU on first direction are electrically connected by a wire 14, and wire 14 and
Separated by the insulating barrier 220 of island between electrode portion TU of one electrode TX.In the present embodiment,
Second direction is hung down and is placed in first direction.In a certain embodiment, second direction also can only crisscross first party
To.
Fig. 4 is the schematic diagram of first electrode TX and the 3rd electrode RXf.As illustrated, the 3rd electrode
RXf1, RXf2, RXf3 and RXf4 are spaced apart by insulant.Each electrode portion TU along
Vertical direction (the such as stacking direction of display floater 100 and contact panel 200, the side towards audience
To or the direction towards colored filter 110) one first projected area is had on display floater 100 (not
Indicate), each the 3rd electrode RXf1, RXf2, RXf3 and RXf4 is along display floater 100 and touch-control
The stacking direction of panel 200 has one second projected area, the first projected area on contact panel 200
It is fully located in second projected area of corresponding 3rd electrode RXf1, RXf2, RXf3 or a RXf4.
In this embodiment, electrode portion TU1, TU5, TU9 and TU13 throw the first of display floater 100
Shadow area is all located in second projected area of the 3rd electrode RXf1, electrode portion TU2, TU6, TU10
With TU14 display floater 100 the first projected area be all located at the 3rd electrode RXf2 second projection
In area, by that analogy.In a certain embodiment, first electrode TX not with the 3rd electrode RXf1～RXf4
The overlapping partial visual of the second projected area be first electrode TX connecting portion, adjacent in order to connect two
Electrode portion, such as TU1 and TU2.In this embodiment, first electrode TX1 to TX4 is with once
Article one, mode is sequentially driven, so that second electrode RXf1～RXf4 is sensed.
Fig. 5 is another schematic diagram of first electrode TX and the 3rd electrode RXf.As illustrated, the 3rd electricity
Pole RXf1 " and RXf2 " is spaced apart by insulant.Each electrode portion TU is along display floater 100
With the stacking direction of contact panel 200, one first projected area (sign) is had on display floater 100,
Each the 3rd electrode RXf1 " and RXf2 " is along the stacking direction of display floater 100 and contact panel 200
One second projected area had on contact panel 200, the first of two electrical connections and adjacent electrode portion
Projected area is fully located in the second projected area of corresponding 3rd electrode.For example, the first electricity
Adjacent electrode portion TU1 of pole TX1 is fully located at corresponding 3rd electricity with first projected area of TU2
In second projected area of pole RXf1 ", the rest may be inferred.For carefully, electrode portion TU1, TU2, TU5,
TU6, TU9, TU10, TU13 and TU14 are all located in the first projected area of display floater 100
In second projected area of the 3rd electrode RXf1 ", electrode portion TU3, TU4, TU7, TU8, TU11,
TU12, TU15 and TU16 are all located at the 3rd electrode RXf2 in the first projected area of display floater 100 "
The second projected area in.In this embodiment, first electrode TX1 to TX4 is with the side of
Formula is sequentially driven, so that the 3rd electrode RXf1 " and RXf2 " sensed so that in this feelings being pressed
The capacitance variation that under condition, the 3rd electrode RXf1 " or RXf2 " is sensed can be the 3rd electrode in Fig. 4
The twice of any one of RXf1 to RXf4.In another embodiment, first electrode TX1 to TX4
Can once the mode of two be sequentially driven, so as second electrode RXf1～RXf4 sensed so that
The capacitance variation that in the case of this being pressed, the 3rd electrode RXf1 " or RXf2 " is sensed can be
Any one four times of 3rd electrode RXf1 to RXf4 in Fig. 4.
Fig. 6 A is the schematic diagram of the 3rd electrode.As illustrated, the 3rd electrode RXf may include along first
Multiple nonoverlapping electrode portion RUf of direction area arrangement, each electrode portion RUf is being touched along vertical direction
On control panel 200, there is one the 3rd projected area.Fig. 6 B is the projected area of the electrode portion of first electrode
Schematic diagram with the projected area of the electrode portion of the 3rd electrode.As illustrated, electrode portion TU is along vertical
Direction can be fully located at the 3rd projected area of electrode portion RUf in the first projected area of display floater 100
In.Fig. 6 C is the projected area with the electrode portion of the 3rd electrode for the projected area of electrode portion of first electrode
Another schematic diagram.As illustrated, four electrode portions TU are (in such as first electrode TX1 and TX2
Two pairs of adjacent electrode portions TU) all can be fully located at electrode portion in the first projected area of display floater 100
In 3rd projected area of RUf.As shown in Fig. 6 B, Fig. 6 C, the projected area meeting of electrode portion RUf
Projected area more than electrode portion TU arbitrary in first electrode TX.Fig. 6 D is the another of the 3rd electrode
Embodiment.As illustrated, the 3rd electrode RXfA also can be removed the part overlapping with second electrode RXc.
Now, the projected area of electrode portion RUf can be equal to the projection of arbitrary electrode portion TU in first electrode TX
Area.In other words, in an embodiment of the present invention, each electrode portion RUf is on contact panel 200
Projected area can be more than or equal to the throwing in display floater 100 for arbitrary electrode portion TU of first electrode TX
Shadow area.The projected area of electrode portion RUf is not limited in the projected area relation of electrode portion TU
The embodiment stated.In another embodiment, the projected area of electrode portion RUf might be less that electrode portion
The projected area (not illustrating) of TU, under here one structure, because electrode portion TU is leaned on compared with electrode portion RUf
Nearly user, therefore when user is pressed with conductor, electrode portion RUf is because of the shielding of electrode portion TU
Will not make to set up electric capacity, the operation of impact detection signal between conductor and electrode portion RUf.
Fig. 7 is the circuit diagram of contact panel.As illustrated, contact panel 200 also includes microprocessor
Device 201, drive circuit 202, sensing circuit 203A and 203B, analog-digital converter 204A with
204B.For example, drive circuit 202 is in order to the control signal being exported according to microprocessor 201
S1 optionally drives first electrode TX.Sensing circuit 203A in order in the flrst mode, according to micro-
Control signal S2 that processor 201 is exported, the voltage of sensing second electrode RXc or change in electrical charge,
And a touch position data is produced by analog-digital converter 204A, and touch position data is delivered to
Microprocessor 201 carries out subsequent treatment.Sensing circuit 203B in order under the second mode, according to micro- place
Control signal S3 that reason device 201 is exported, the voltage of sensing the 3rd electrode RXf or change in electrical charge,
And a pressure-sensing data is produced by analog-digital converter 204B, and pressure-sensing data is delivered to
Microprocessor 201 carries out subsequent treatment.For example, second electrode RXc in order to sense pointer or
Finger touches the small capacitance variations being occurred during contact panel 200, and the capacitance variations sensing are turned
It is changed to voltage form, and this change is detected by sensing circuit 203A.3rd electrode RXf is in order to sense
Pointer or finger press contact panel 200 during contact panel 200 and deform upon the small electric capacity change of generation
Change, the capacitance variations sensing are converted to voltage form, and this change is detected by sensing circuit 203B
Change.In one embodiment, may correspond to the structure of Fig. 4, under the second mode, drive circuit 202 is used
In the way of one, it is sequentially driven by control signal S1 that exported according to microprocessor 201 with one time
One electrode TX, so that the 3rd electrode RXf senses the capacitance variations that contact panel 200 deforms upon generation
Amount.In another embodiment, may correspond to the structure of Fig. 5, under second mode, drive circuit 202
In order to control signal S1 that exported according to microprocessor 201 in the way of once two, it is sequentially driven
First electrode TX, so that the 3rd electrode RXf senses the electric capacity change that contact panel 200 deforms upon generation
Change amount.In certain embodiments, sensing circuit 203A and sensing circuit 203B also can be integrated into one
Sensing circuit, and the control by a multiplexer and optionally sense second electrode RXc or the 3rd electricity
The voltage of pole RXf or change in electrical charge.
In one embodiment of this invention, microprocessor 201 is electrically coupled to display floater 100.Citing
For, display floater 100 may include a gate driver circuit, a data signal transmitting circuit, a pixel
Matrix and control chip.In general, picture element matrix can be believed by multiple gate line, multiple data
Number line and multiple pixel are formed.Gate driver circuit is in order to produce multiple gate drive signals to drive
Multiple pixels of picture element matrix, and data signal transmitting circuit is in order to produce multiple data signals to provide number
According to the pixel to picture element matrix.Control chip, then in order to produce multiple control signal, is believed including horizontal synchronization
Number HS, vertical synchronizing signal VS, clock pulse signal and initial pulse wave etc., drive in order to control gate
The operation of circuit, data signal transmitting circuit and picture element matrix is so that display floater 100 is capable of displaying image.
For example, display floater 100 is in the display cycle of each picture frame, to drive the multiple of picture element matrix
Pixel is to be shown.In one embodiment of this invention, microprocessor 201 is also dependent on from display
Horizontal-drive signal HS of the control chip of panel 100, vertical synchronizing signal VS.In another embodiment
In, microprocessor 201 and control chip can be integrated into one.
Fig. 8 is the schematic diagram of the picture frame (frame) of display contactor control device.As illustrated, each picture frame has
Have a display cycle and a vertical blanking cycle (blanking time), and the display cycle be not overlapped in vertical
Directly hide from view the cycle.In one embodiment, contact panel 200, in the display cycle of each picture frame, enters
First mode is to carry out touch-control sensing, and contact panel 200 is in the vertical blanking cycle of each picture frame,
Enter second mode to carry out pressure-sensing.For example, in the display cycle, the 3rd electrode RXf
It is coupled to an earthing potential, drive circuit 202 is in order to the control signal being exported according to microprocessor 201
S1 optionally drives first electrode TX (imply that and make first electrode send drive signal), and second electrode
RXc is then in order to collect capacitance change.In the display cycle, it is coupled to the 3rd electrode of earthing potential
RXf as second electrode RXc for the interference on display floater 100 shielding layer.Furthermore, hanging down
Directly hide from view in the cycle, second electrode RXc is coupled to earthing potential, and drive circuit 202 is in order to according to micro-
Control signal S1 that processor 201 is exported optionally drives first electrode TX (to imply that and make the first electricity
Drive signal is sent in pole), and second electrode RXc is then stressed and deformation in order to collect contact panel 200
Produced capacitance change.In the vertical blanking cycle, first electrode TX be coupled to earthing potential
The interference for external object (such as finger) as the 3rd electrode RXf of second electrode RXc masking
Layer.In other words, the sensing of touch-control sensing structure is synchronous with the display cycle of display floater 110, and the 3rd
Electrode RXf as touch-control sensing structure with respect to the interference on display floater 100 shielding layer.Another
In embodiment, first mode and second mode can carry out touch-control sensing operation in the vertical blanking cycle.
Fig. 9 is in order to illustrate horizontal-drive signal HS in display floater and vertical synchronizing signal VS and pressure
The relation of power touch sense signals.As illustrated, the complete vertical blanking cycle of a picture frame can be shown
Show that the cycle is distinguished into two parts VBP, but due to being located at part VBP after the display cycle in picture frame N
It is located at the part VBP one complete vertical blanking cycle of composition before the display cycle in meeting and picture frame N+1,
Contact panel 200 enters second mode to carry out pressure-sensing in this complete vertical blanking cycle.Change speech
It, contact panel 200, when pressure touch sensing signal FSE is high potential, enters second mode to enter
Row pressure-sensing, and when pressure touch sensing signal FSE is electronegative potential, enter first mode to carry out
Touch-control sensing.In this embodiment, the renewal rate of pressure sensing structure or report point rate (report rate) with
Vertical synchronizing signal VS is synchronous, also can avoid the interference from display floater 100 further.At this
In a bright embodiment, microprocessor 201 is also dependent on the water of the control chip from display floater 100
Flat synchronizing signal HS and/or vertical synchronizing signal VS produce pressure touch sensing signal FSE, to enter
Touch-control sensing in row first mode and the pressure-sensing in second mode, but it is not limited to this.At this
In bright another embodiment, microprocessor 201 also can be integrated in the control chip of display floater 100,
And the control chip after integrating, then in order to control display floater 100 to be shown, and controls contact panel
200 in the first mode carry out carry out pressure-sensing in touch-control sensing and second mode, but be not limited to
This.In certain embodiments, the first mode of contact panel 200 and second mode also can be in vertical blankings
Conducted in two nonoverlapping cycles in cycle.In other words, pressure-sensing and touch-control sensing can all hang down
Directly hide from view conducted in two nonoverlapping cycles in cycle.
In embodiment shown in Fig. 1 J, the 3rd electrode TXf be drive electrode, second electrode RXc with
3rd electrode TXf constitutes a pressure sensing structure.That is, second electrode RXc and the 3rd electrode TXf
Between can have overlapping relation, and then make to set up mutually between second electrode RXc and the 3rd electrode TXf
Electric capacity, is sensed by measuring the change of mutual capacitance.
Figure 10 is the schematic diagram of second electrode RXc and the 3rd electrode TXf.As illustrated, the 3rd electrode
TXf1, TXf2, TXf3 and TXf4 are spaced apart by insulant.Each of second electrode RXc
Electrode portion RU along display floater 100 and contact panel 200 stacking direction on display floater 100
There is one first projected area, each electrode in the 3rd electrode TXf1, TXf2, TXf3 and TXf4
Portion TUf1～TUf16 along display floater 100 and contact panel 200 stacking direction in contact panel 200
On there is one second projected area, the first projected area can be partly overlapping with the second projected area.Here
In embodiment, the 3rd electrode TXf1 to TXf4 is sequentially driven in the way of one article by one time, so that second
Electrode RXc is sensed.
Figure 11 is another schematic diagram of second electrode RXc and the 3rd electrode RXf.As illustrated, second
Each electrode portion RU of electrode RXc exists along the stacking direction of display floater 100 and contact panel 200
One first projected area is had on display floater 100, each electricity in the 3rd electrode TXf1 and TXf2
Pole portion TUf has on contact panel 200 along the stacking direction of display floater 100 and contact panel 200
There is one second projected area, the first projected area is overlapped in the second projected area can be partly overlapping.
In the embodiment of Fig. 1 J, sensing circuit 203B in Fig. 7, analog-digital converter 204B,
Control signal S3 also can be omitted.Drive circuit 202 in order to exported according to microprocessor 201 one
Control signal S1 optionally drives first electrode TX or the 3rd electrode TXf.In the flrst mode,
Drive circuit 202 in order to first electrode TX is driven according to control signal S1, and under the second mode,
Drive circuit 202 is in order to drive the 3rd electrode TXf according to control signal S1.Sensing circuit 203A in order to
In the flrst mode, control signal S2 being exported according to microprocessor 201, senses second electrode
The voltage of RXc or change in electrical charge, and a touch position data is produced by analog-digital converter 204A,
And touch position data is delivered to microprocessor 201 carry out subsequent treatment.Sensing circuit 203A in order to
Under second mode, control signal S3 that exported according to microprocessor 201, sense second electrode RXc
Voltage or change in electrical charge, and by analog-digital converter 204B produce a pressure-sensing data, and
Pressure-sensing data is delivered to microprocessor 201 and carries out subsequent treatment.For example, in the first mode,
Second electrode RXc touches, in order to sense pointer or finger, occurred during contact panel 200 small
Capacitance variations, the capacitance variations sensing are converted to voltage form, and are detected by sensing circuit 203A
This change.In a second mode, second electrode RXc presses touch-control in order to sense pointer or finger
During panel 200, contact panel 200 deforms upon and produces small capacitance variations, and the electric capacity sensing is become
Change and be converted to voltage form, and this change is detected by sensing circuit 203B.
In one embodiment of this invention, the touch-control sensing structure in contact panel 200 and pressure-sensing are tied
Structure can have different renewal rates or report point rate (report rate).For example, touch-control sensing structure
Renewal rate or report point rate (report rate) can be 100 to 120 times per second.In certain embodiments, touch
The renewal rate of control sensing structure or report point rate (report rate) can be higher than the renewal rates of pressure sensing structure
Or report point rate (report rate).
In an embodiment of the present invention, contact panel 200 is sensed in first mode and second mode
Data can be delivered to microprocessor and subsequently be processed.For example, microprocessor can be by first mode
It is associated with the data that second mode is sensed.In a certain embodiment, contact panel 200 can be
Input on contact panel 200 for sensing conductor (such as finger) under one pattern, also can be under the second mode
Input on contact panel 200 for sensing non-conductor (such as glove).
Claims (15)
1. a kind of display contactor control device, including：
Display floater；
Contact panel, is arranged at the side of above-mentioned display floater, and wherein above-mentioned contact panel includes：
Transparency carrier；
The first electrode of multiple patternings, is arranged on above-mentioned transparency carrier along a first direction；
And
The second electrode of multiple patternings, is arranged on above-mentioned transparency carrier along a second direction,
Comprise multiple mutual capacitance between above-mentioned first electrode and above-mentioned second electrode, collectively form a touch-control sensing knot
Structure；And
3rd electrode of multiple patternings, is arranged at a bearing substrate, above-mentioned first electrode and the above-mentioned 3rd
Electrode lap on a third direction, or above-mentioned second electrode and above-mentioned 3rd electrode are the 3rd
On direction, lap constitutes a pressure sensing structure, and wherein, above-mentioned third direction is above-mentioned display floater
A stacking direction with above-mentioned contact panel.
2. display contactor control device as claimed in claim 1, also includes insulating barrier, wherein above-mentioned first electricity
Pole is electrically insulated from by above-mentioned insulating barrier with above-mentioned second electrode.
3. display contactor control device as claimed in claim 1, wherein above-mentioned 3rd electrode is electrically isolated from one another,
And between above-mentioned 3rd electrode and above-mentioned first electrode, there is a dielectric layer.
4. display contactor control device as claimed in claim 3, wherein above-mentioned dielectric layer is oil, air or glue
Insulating medium layer.
5. display contactor control device as claimed in claim 1, each of wherein above-mentioned first electrode includes
The multiple electrodes portion arranging along above-mentioned second direction and being electrically connected to each other, each of above-mentioned electrode portion exists
One first projected area is had on above-mentioned display floater, each of above-mentioned 3rd electrode is in above-mentioned touch surface
One second projected area is had on plate, above-mentioned first projected area is fully located at right in above-mentioned 3rd electrode
Answer in above-mentioned second projected area of one.
6. display contactor control device as claimed in claim 1, each of wherein above-mentioned first electrode includes
The multiple electrodes portion arranging along above-mentioned second direction and being electrically connected to each other, each of above-mentioned electrode portion exists
One first projected area is had on above-mentioned display floater, each of above-mentioned 3rd electrode is in above-mentioned touch surface
Second projected area, above-mentioned first perspective plane of two electrical connections and adjacent above-mentioned electrode portion are had on plate
Amass and be fully located in above-mentioned second projected area of the corresponding one in above-mentioned 3rd electrode.
7. display contactor control device as claimed in claim 1, each of wherein above-mentioned first electrode includes
The multiple electrodes portion arranging along above-mentioned second direction and being electrically connected to each other, the above-mentioned electricity of above-mentioned first electrode
The each in pole portion has one first projected area on above-mentioned display floater, above-mentioned 3rd electrode each
Person includes the multiple nonoverlapping electrode portion arranging along a first direction, the above-mentioned electrode of above-mentioned 3rd electrode
The each in portion has the second projected area, the above-mentioned electrode of above-mentioned 3rd electrode on above-mentioned contact panel
Above-mentioned second projected area of each in portion is more than or equal to a corresponding electrode portion in above-mentioned first electrode
Above-mentioned first projected area.
8. display contactor control device as claimed in claim 1, each of wherein above-mentioned first electrode includes
The multiple electrodes portion arranging along above-mentioned second direction and being electrically connected to each other, the above-mentioned electricity of above-mentioned first electrode
The each in pole portion has one first projected area on above-mentioned display floater, above-mentioned 3rd electrode each
Person includes the multiple nonoverlapping electrode portion arranging along a first direction, the above-mentioned electrode of above-mentioned 3rd electrode
The each in portion has one second projected area, the above-mentioned electricity of above-mentioned 3rd electrode on above-mentioned contact panel
Above-mentioned second projected area of each in pole portion is less than a corresponding electrode portion in above-mentioned first electrode
Above-mentioned first projected area.
9. display contactor control device as claimed in claim 1, each bag of wherein above-mentioned second electrode
Include the multiple nonoverlapping electrode portion along the arrangement of above-mentioned first direction, the above-mentioned electrode of above-mentioned second electrode
The each in portion has one first projected area, each of above-mentioned 3rd electrode on above-mentioned display floater
Including the multiple electrodes portion arranging along a first direction and be electrically connected to each other, the above-mentioned electricity of above-mentioned 3rd electrode
The each in pole portion has one second projected area on above-mentioned contact panel, above-mentioned second electrode above-mentioned
Above-mentioned first projected area of each of electrode portion is less than a corresponding electrode portion in above-mentioned 3rd electrode
Above-mentioned second projected area.
10. display contactor control device as claimed in claim 1, wherein above-mentioned touch-control sensing structure is in one
Carry out touch-control sensing in the period 1 in picture frame, and above-mentioned pressure sensing structure is in above-mentioned picture frame
Carry out pressure-sensing, the wherein above-mentioned period 1 is not overlapped in above-mentioned second round in one second round.
11. display contactor control devices as claimed in claim 10, the wherein above-mentioned period 1 is above-mentioned picture
One display cycle of frame, and above-mentioned second round is a vertical blanking cycle of above-mentioned picture frame.
12. display contactor control devices as claimed in claim 11, wherein in the above-mentioned display cycle, on
State first electrode in order to collect capacitance change, above-mentioned in order to send a drive signal, above-mentioned second electrode
3rd electrode is coupled to an earthing potential, and in the above-mentioned vertical blanking cycle, above-mentioned first electrode in order to
Send another drive signal, above-mentioned 3rd electrode is in order to collect that above-mentioned contact panel is stressed and deformation is produced
Raw capacitance change, above-mentioned second electrode is coupled to above-mentioned earthing potential.
13. display contactor control devices as claimed in claim 12, wherein in the above-mentioned period 1, on
State the 3rd electrode as above-mentioned second electrode for the interference on above-mentioned display floater shielding layer, and upper
State in second round, above-mentioned first electrode and above-mentioned second electrode are as above-mentioned 3rd electrode for outside thing
The shielding layer of the interference of part.
14. display contactor control devices as claimed in claim 1, wherein above-mentioned bearing substrate is above-mentioned aobvious
Show colored optical filtering substrates of panel.
15. display contactor control devices as claimed in claim 1, wherein above-mentioned bearing substrate is arranged on
State between display floater and above-mentioned contact panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510522341.XA CN106484198A (en) | 2015-08-24 | 2015-08-24 | Display contactor control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510522341.XA CN106484198A (en) | 2015-08-24 | 2015-08-24 | Display contactor control device |
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| CN106484198A true CN106484198A (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510522341.XA Pending CN106484198A (en) | 2015-08-24 | 2015-08-24 | Display contactor control device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768382A (en) * | 2016-08-22 | 2018-03-06 | 群创光电股份有限公司 | Light emitting diode touch control display apparatus |
| WO2020113803A1 (en) * | 2018-12-04 | 2020-06-11 | 武汉华星光电半导体显示技术有限公司 | Touch-control panel and display apparatus |
| CN111459345A (en) * | 2020-03-18 | 2020-07-28 | 精电(河源)显示技术有限公司 | Touch screen and three-dimensional touch detection method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566900A (en) * | 2008-04-15 | 2009-10-28 | 株式会社日立显示器 | Display device |
| CN102004573A (en) * | 2010-07-28 | 2011-04-06 | 深圳市汇顶科技有限公司 | Touch detection system and detection method thereof |
| US20110260741A1 (en) * | 2010-04-27 | 2011-10-27 | 3M Innovative Properties Company | Integrated passive circuit elements for sensing devices |
| CN103221911A (en) * | 2010-08-16 | 2013-07-24 | 感知像素股份有限公司 | Force and true capacitive touch measurement techniques for capacitive touch sensors |
| US20130229595A1 (en) * | 2010-10-19 | 2013-09-05 | Sony Corporation | Display panel and display unit |
| CN104750304A (en) * | 2013-12-31 | 2015-07-01 | 乐金显示有限公司 | Touch panel |
-
2015
- 2015-08-24 CN CN201510522341.XA patent/CN106484198A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566900A (en) * | 2008-04-15 | 2009-10-28 | 株式会社日立显示器 | Display device |
| US20110260741A1 (en) * | 2010-04-27 | 2011-10-27 | 3M Innovative Properties Company | Integrated passive circuit elements for sensing devices |
| CN102004573A (en) * | 2010-07-28 | 2011-04-06 | 深圳市汇顶科技有限公司 | Touch detection system and detection method thereof |
| CN103221911A (en) * | 2010-08-16 | 2013-07-24 | 感知像素股份有限公司 | Force and true capacitive touch measurement techniques for capacitive touch sensors |
| US20130229595A1 (en) * | 2010-10-19 | 2013-09-05 | Sony Corporation | Display panel and display unit |
| CN104750304A (en) * | 2013-12-31 | 2015-07-01 | 乐金显示有限公司 | Touch panel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768382A (en) * | 2016-08-22 | 2018-03-06 | 群创光电股份有限公司 | Light emitting diode touch control display apparatus |
| WO2020113803A1 (en) * | 2018-12-04 | 2020-06-11 | 武汉华星光电半导体显示技术有限公司 | Touch-control panel and display apparatus |
| CN111459345A (en) * | 2020-03-18 | 2020-07-28 | 精电(河源)显示技术有限公司 | Touch screen and three-dimensional touch detection method |
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