CN105955540B - Touch panel and electronic device - Google Patents
Touch panel and electronic device Download PDFInfo
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- CN105955540B CN105955540B CN201610360479.9A CN201610360479A CN105955540B CN 105955540 B CN105955540 B CN 105955540B CN 201610360479 A CN201610360479 A CN 201610360479A CN 105955540 B CN105955540 B CN 105955540B
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- touch
- pressure sensor
- piezoresistance
- lead
- control
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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
- G06F3/0414—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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- 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
- G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04113—Peripheral electrode pattern in resistive digitisers, i.e. electrodes at the periphery of the resistive sheet are shaped in patterns enhancing linearity of induced field
Abstract
A kind of touch panel, definition has Touch Zone and the cabling area around the Touch Zone, the touch panel includes cover board and touch-control sensing structure, the cover board has opposite facing first surface and second surface, the touch-control sensing structure is located at the second surface, at least one position that the second surface corresponds to the region in the cabling area is provided with piezoresistance layer, each piezoresistance layer is electrically connected with a first lead and one second lead respectively, the first lead input voltage, the second lead output voltage, piezoresistance layer resistivity when by stress changes, and then cause the output voltage of second lead that corresponding variation occurs.The present invention also provides a kind of electronic devices using the touch panel.
Description
Technical field
The touch panel of touch-control pressure can be sensed the present invention relates to one kind and using the electronic device of the touch panel.
Background technique
Currently, the electronic devices such as smart phone, tablet computer of tool touch display function often utilize pressure sensor to sense
Touch-control dynamics is to realize the more functional characteristics of electronic device.Common pressure sensor has capacitance pressure transducer, electricity
Resistance pressure transducer.Such pressure sensor generally includes the upper and lower electrode being oppositely arranged and between upper and lower electrode
Dielectric layer, when touch-control pressing operation generates, capacitance or resistance value between the upper and lower electrode change, and utilize the electricity
The variable quantity of capacitance or resistance value converses the size of touch-control pressing force.So, the structure of such pressure sensor is complex, and
When for multi-point touch, it is difficult to detect the touch-control pressing dynamics of each touch point respectively.
Summary of the invention
In consideration of it, being filled it is necessary to provide a kind of touch panel simplified conducive to structure and using the electronics of the touch panel
It sets.
A kind of touch panel, definition have Touch Zone and a cabling area around the Touch Zone, the touch panel include cover board and
Touch-control sensing structure, the cover board have opposite facing first surface and second surface, which is located at second table
Face, at least one position which corresponds to the region in the cabling area are provided with piezoresistance layer, each piezoresistance layer difference
It is electrically connected with a first lead and one second lead, the first lead input voltage, the second lead output voltage, the piezoresistance layer
Resistivity changes when by stress, and then causes the output voltage of second lead that corresponding variation occurs.
In one embodiment of this invention, which corresponds to the cabling area and is provided with ink layer, which serves as reasons
It is embedded with multiple pressure drag particles in the ink layer and is formed.
In one embodiment of this invention, which corresponds to the cabling area and is provided with ink layer, which is set to
Between the piezoresistance layer and the cover board.
In one embodiment of this invention, which is characterized in that four corners of the second surface are respectively arranged with an institute
State piezoresistance layer.
In one embodiment of this invention, which is characterized in that further comprise read module and data processing module, the reading
Modulus block reads the output voltage of second lead and the coordinate values of touch-control press points, and the data processing module is for handling this
The data that read module is read.A kind of electronic device, the electronic device further include display panel, and the display panel is incorporated into
The touch-control sensing structure of above-mentioned touch panel is far from the surface of cover board.The electronic device uses above-mentioned touch panel.
A method of using the touch-control pressing force size of each point when 3 touch-controls of touch panel detection, the touch panel
With Touch Zone and around the cabling area of the Touch Zone, which includes cover board and touch-control sensing structure, which has
Opposite facing first surface and second surface, the touch-control sensing structure are located at the second surface, four corners of the second surface
It is respectively arranged with piezoresistance layer, four piezoresistance layer passes through four first leads respectively and inputs identical voltage, and four piezoresistance layer is logical
4 second leads respectively output voltage is crossed, when by stress, resistivity changes the piezoresistance layer, causes second lead
Output voltage corresponding variation occurs, which further includes read module and data processing module, the data processing mould
Block is used to handle the data that the read module is read, this method comprises:
When implementing 3 touch control operations, which reads the output voltage of four piezoresistance layer, and passes through the data
Processing module converses the touch-control pressing force size W that four piezoresistance layer is subject to because implementing 3 touch-controls1、W2、W3、W4；
The touch-control pressing force size that the data processing module is subject to according to each piezoresistance layer, which calculates, is touched pressing
3 points of touch-control pressing force summation D and 3 points of pressing forces received summation vector coordinate (X, Y)；
The read module reads 3 points of coordinate values (Xa, Ya), (Xb, Yb), (Xc, the Yc) for being touched pressing；
The data processing module converses touch-control pressing force size Wa, Wb, the Wc being touched at 3 points of pressing.
In the method for one embodiment of the invention, before implementing 3 touch control operations, in advance by each piezoresistance layer
The distance between two adjacent piezoresistance layers numerical value L1、L2It is stored in the data processing module.Compared to the prior art,
Pressure sensor of the invention includes piezoresistance layer, first lead and the second lead, the first lead to the piezoresistance layer input voltage,
The second lead input voltage, when by stress, resistivity changes the piezoresistance layer, causes the output of second lead
The size that corresponding variation converses touch-control pressing force according to the variable quantity of output voltage occurs for voltage.Pressure sensing of the invention
The structure of device is simple, favorably there is reduction infrastructure cost.
Detailed description of the invention
Fig. 1 is the top view of the electronic device of first embodiment of the invention.
Fig. 2 is the cross-sectional view in Fig. 1 along II-II line.
Fig. 3 is the top view of the electronic device of second embodiment of the invention.
Fig. 4 is the cross-sectional view in Fig. 3 along IV-IV line.
Fig. 5 is the method flow using the touch-control pressing force size of each point when 3 touch-controls of touch panel detection of the invention
Block diagram.
Fig. 6 is the structural block diagram of the functional module of the touch panel of one embodiment of the invention.
Main element symbol description
| Electronic device: 10 | Second surface: 112 |
| Touch panel: 100 | First side: 1121 |
| Touch Zone: 101 | Second side: 1122 |
| Cabling area: 102 | Ink layer: 120 |
| Cover board: 110 | Pressure sensor: 130 |
| First surface: 111 | First pressure sensor: 130a |
| Second pressure sensor: 130b | Third pressure sensor: 130c |
| 4th pressure sensor: 130d | Piezoresistance layer: 131 |
| First lead: 132 | Second lead: 133 |
| Pressure drag particle: 134 | Touch-control sensing structure: 140 |
| Display panel: 200 | Framework: 300 |
| Read module: 400 | Data processing module: 500 |
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Referring to Fig. 1 and Fig. 2, the electronic device 10 of this first embodiment can be mobile phone, computer, game machine,
TV etc..Present embodiment, which takes the mobile phone as an example, to be illustrated.The electronic device 10 includes the touch panel 100 being stacked and shows
Show panel 200 and framework 300, the framework 300 be set to the touch panel 100 with around the display panel 200 the two to be consolidated
It is fixed.The touch panel 100 definition has Touch Zone 101 and the cabling area 102 around the Touch Zone 101.
The touch panel 100 further comprises cover board 110, touch-control sensing structure 140, read module 400 and data processing
Module 500 (see Fig. 6).The touch-control sensing structure 140 is located between the cover board 110 and the display panel 200.The read module
400 and the data processing module 500 communication connection, the data processing module 500 be used for the data that read the read module 400
Carry out result of the analytical calculation to be needed.The read module 400 and the data processing module 500 can be integrated with the electricity
The hardware module or software module on control IC in sub-device 10, is also possible to be separately set in hard in the electronic device 10
Part module.The touch panel 100 for realizing the electronic device 10 touch function, such as sensing touching position information to export
Corresponding touch command.The display panel 200 is set to the lower section of the touch panel 100 to realize menu display function.
Wherein, which can be but be not limited to one chip (One Glass Solution, OGS) touch surface
Plate 100, thin membrane type (Glass-Film, GF) touch panel 100 or dual-diaphragm type (Glass-Film-Film, GFF) touch surface
Plate 100.It is appreciated that the touch function of the touch panel 100 can also be integrated in the display panel 200, thus in being formed
Embedded touch-control display panel, without the touch panel 100 is additionally arranged.The display panel 200 is organic light emitting display panel
(Organic Light Emitting Display, OLED) or liquid crystal display panel (Liquid Crystal Display,
LCD).
The cover board 110 shields to the entire electronic device 10, and in present embodiment, which carries the lid
Plate 110, the cover board 110 can be for example fixed in the framework 300 by adhesive tape.The cover board 110 have first surface 111 and with this
The opposite second surface 112 of first surface 111, the first surface 111 are used as touch control operation interface, the touch-control sensing structure 140
Positioned at the second surface 112.The second surface 112 has two opposite first sides 1121 and two opposite second sides
1122, and two second side 1122 is connected between two first side 1121.In present embodiment, the first side 1121
Length compared with the second side 1122 is short.The touch-control sensing structure 140 further comprises that sensing electrode and signal wire (are schemed not
Show), which corresponds to the Touch Zone 101 setting, which corresponds to the cabling area 102 setting, the signal wire and the sense
It surveys electrode connection and is sent to an external circuit (such as above-mentioned control IC) with the touching signals for sensing the sensing electrode.
Further, the size of the cover board 110 is greater than the touch-control sensing structure 140 and the display panel 200, thus the lid
The periphery of plate 110 protrudes from except the touch-control sensing structure 140 and the display panel 200.The second surface 112 corresponds to the cabling
The region in area 102 is formed with ink layer 120, which can cover the route set on the cabling area 102 to beautify the electricity
The appearance of sub-device 10.In present embodiment, which is preferably black ink.
The ink layer 120 is covered in the region in the corresponding cabling area 102 of the second surface 112.In the present embodiment, the cover board
110 is generally rectangular shaped, and there are four angles for definition.It is embedded with respectively in the ink layer 120 of four corners of the cover board 110
Multiple pressure drag particles 134, to be correspondingly formed four piezoresistance layers 131.The pressure drag particle 134 is pressure drag material, is being answered
When power, resistivity can change.Each piezoresistance layer 131 is electrically connected with a first lead 132 and one second lead 133.
Each piezoresistance layer 131 collectively forms pressure biography with the first lead 132 connected to it and second lead 133
Sensor 130 is located at four corners of the cover board 110 so that there are four the pressure sensors 130 for the electronic device 10 tool
Place.In present embodiment, each pressure sensor 130 is located between the cover board 110 and the touch-control sensing structure 140 and close
The framework 300.
For convenience of description, four pressure sensors 130 are respectively defined as first pressure sensor 130a, the second pressure
Force snesor 130b, third pressure sensor 130c, the 4th pressure sensor 130d.Wherein, first pressure sensor 130a,
Second pressure sensor 130b, the third pressure sensor 130c and the 4th pressure sensor 130d press arranged counterclockwise,
First pressure sensor 130a and second pressure sensor 130b is located at the both ends of the second side 1122, this
Three pressure sensor 130c and the 4th pressure sensor 130d are located at the both ends of another second side 1122.Described in
1121 direction of first side, the distance between described pressure sensor 130 of adjacent two are L1, along 1122 side of second side
To the distance between described pressure sensor 130 of adjacent two is L2.Distance L1And L2It is previously stored at the data
It manages in module 500.It is appreciated that distance L marked in Fig. 11And L2Only roughly show the pressure sensing of adjacent two
The distance between device 130, the distance between two adjacent described pressure sensors 130 are not necessarily completely such as Fig. 1 in actual product
It is shown.
As shown in Figure 1, all first leads 132 of four pressure sensors 130 are connected to same input
Second lead 133 of port, four pressure sensors 130 is respectively connected to different output ports.Wherein, described
132 input voltage V of first leadin, the 133 output voltage V of the second leadoutTo the read module 400.When to the electricity
When sub-device 10 implements touch-control pressing, the resistivity of each piezoresistance layer 131 is caused to change, so that four piezoresistance layers
The output voltage V of 131 corresponding second leads 133out1、Vout2 、Vout3、Vout4Corresponding variation occurs, it can be according to this
Output voltage Vout1、Vout2 、Vout3、Vout4Variable quantity converse the size of touch-control pressing force.
When implementing the touch action of special scenes using the electronic device 10, such as playing game, it usually needs carry out more
Point touch-control, such as 3 touch-controls.As shown in Figure 1, wherein Fig. 1 shows a wherein example of 3 touch-controls.For convenience of description,
Define first pressure sensor 130a, second pressure sensor 130b, third pressure sensor 130c, the 4th pressure
The pressing force size that sensor 130d is subject to respectively is W1、W2、W3、W4.Extending direction with the first side 1121 is
Y-axis, using the extending direction of the second side 1122 as X-axis, definition is touched 3 points of touch-control pressing forces minute being subject to of pressing
It Wei not Wa、Wb、WcAnd 3 points of the coordinate respectively is (Xa, Ya), (Xb, Yb), (Xc, Yc).3 points of pressing forces received it is total
It is (X, Y) with the vector coordinate for D and the summation of 3 points of pressing forces received.
When operator carries out touch-control pressing simultaneously to 3 points, which reads four pressure sensors 130
Output voltage, and by the data processing module 500 convert after obtain each pressure sensor 130 because implement 3 touch-controls
And the pressing force size W being subject to1、W2、W3、W4.Meanwhile the synchronous reading of the read module 400 is touched 3 points of seat of pressing
Scale value (Xa, Ya), (Xb, Yb), (Xc, Yc), and export to the data processing module 500.The data processing module 500 is according to described
Data that read module 400 is read (output voltage including four pressure sensors 130 and are touched 3 points of pressing
Coordinate values) and it the numerical value of distance L1 and L2 in the inner is stored in advance converts, it finally obtains while real being added on above-mentioned three
Touch-control pressing force size W suffered by each point when point touch-controla、Wb、Wc。
Wherein, the data processing module 500 is when carrying out Data Analysis Services, with relational expression include but unlimited
In following relationship:
Referring to Fig. 3 and Fig. 4, the electronic device 10 of this second embodiment can be mobile phone, computer, game machine,
TV etc..Present embodiment, which takes the mobile phone as an example, to be illustrated.It should be noted that for convenience of description, it is each in present embodiment
Component symbol continues to use the component symbol of above-mentioned first embodiment.The electronic device 10 includes the touch panel 100 being stacked
With display panel 200 and framework 300, which is set to around the touch panel 100 and display panel 200 and is fixed with rising
Effect.The touch panel 100 definition has Touch Zone 101 and the cabling area 102 around the Touch Zone 101.
The touch panel 100 further comprises cover board 110, touch-control sensing structure 140, read module 400 and data processing
Module 500 (see Fig. 6).The touch-control sensing structure 140 is located between the cover board 110 and the display panel 200.The read module
400 and the data processing module 500 communication connection, the data processing module 500 be used for the data that read the read module 400
Carry out result of the analytical calculation to be needed.The read module 400 and the data processing module 500 can be integrated with the electricity
The hardware module or software module on control IC in sub-device 10, is also possible to be separately set in hard in the electronic device 10
Part module.The touch panel 100 for realizing the electronic device 10 touch function, such as sensing touching position information to export
Corresponding touch command.The display panel 200 is set to the lower section of the touch panel 100 to realize menu display function.
Wherein, which can be but be not limited to one chip (One Glass Solution, OGS) touch surface
Plate 100, thin membrane type (Glass-Film, GF) touch panel 100 or dual-diaphragm type (Glass-Film-Film, GFF) touch surface
Plate 100.It is appreciated that the touch function of the touch panel 100 can also be integrated in the display panel 200, thus in being formed
Embedded touch-control display panel, without the touch panel 100 is additionally arranged.The display panel 200 is organic light emitting display panel
(Organic Light Emitting Display, OLED) or liquid crystal display panel (Liquid Crystal Display,
LCD).
The cover board 110 shields to the entire electronic device 10, and in present embodiment, which carries the lid
Plate 110, the cover board 110 can be for example fixed in the framework 300 by adhesive tape.The cover board 110 have first surface 111 and with this
The opposite second surface 112 of first surface 111, the first surface 111 are used as touch control operation interface, the touch-control sensing structure 140
Positioned at the second surface 112.The second surface 112 has two opposite first sides 1121 and two opposite second sides
1122, and two second side 1122 is connected between two first side 1121.In present embodiment, the first side 1121
Length compared with the second side 1122 is short.The touch-control sensing structure 140 further comprises that sensing electrode and signal wire (are schemed not
Show), which corresponds to the Touch Zone 101 setting, which corresponds to the cabling area 102 setting, the signal wire and the sense
It surveys electrode connection and is sent to an external circuit (such as above-mentioned control IC) with the touching signals for sensing the sensing electrode.
Further, the size of the cover board 110 is greater than the touch-control sensing structure 140 and the display panel 200, thus the lid
The periphery of plate 110 protrudes from except the touch-control sensing structure 140 and the display panel 200.The second surface 112 corresponds to the cabling
The region in area 102 is formed with ink layer 120, which can cover the route set on the cabling area 102 to beautify the electricity
The appearance of sub-device 10.The ink layer 120 is black, white, colour or other suitable colors.In present embodiment, the oil
Layer of ink 120 is white.
The ink layer 120 is covered in the region in the corresponding cabling area 102 of the second surface 112, in the present embodiment, the cover board
110 is generally rectangular shaped, and there are four angles for definition.It is respectively formed on the ink layer 120 of four corners of the cover board 110
There is a piezoresistance layer 131, each ink layer 120 is located between the cover board 110 and the piezoresistance layer 131.The piezoresistance layer 131 is pressure drag
Material, when by stress, resistivity can change.Each piezoresistance layer 131 and a first lead 132 and one second
Lead 133 is electrically connected.Each piezoresistance layer 131 and the first lead 132 connected to it and second lead 133 are total
With a pressure sensor 130 is constituted, so that there are four the pressure sensors 130 for the electronic device 10 tool, it is located at the lid
Four corners of plate 110.In present embodiment, the summation of 3 points of pressing forces received is D and 3 points of pressing forces received
The vector coordinate of summation is (X, Y).
For convenience of description, four pressure sensors 130 are respectively defined as first pressure sensor 130a, the second pressure
Force snesor 130b, third pressure sensor 130c, the 4th pressure sensor 130d.Wherein, first pressure sensor 130a,
Second pressure sensor 130b, the third pressure sensor 130c and the 4th pressure sensor 130d press arranged counterclockwise,
First pressure sensor 130a and second pressure sensor 130b is located at the both ends of the second side 1122, this
Three pressure sensor 130c and the 4th pressure sensor 130d are located at the both ends of another second side 1122.Described in
First side 1121, the distance between described pressure sensor 130 of adjacent two are L1, adjacent along the second side 1122
The distance between two pressure sensors 130 be L2.Distance L1And L2It is previously stored in the data processing module
In 500.It is appreciated that distance L marked in Fig. 31And L2Only roughly show the pressure sensor 130 of adjacent two
The distance between, the distance between two adjacent described pressure sensors 130 are not necessarily completely as shown in Figure 3 in actual product.
All first leads 132 of four pressure sensors 130 are connected to same input port, four institutes
Second lead 133 for stating pressure sensor 130 is respectively connected to different output ports.Wherein, the first lead 132
Input voltage Vin, the 133 output voltage V of the second leadout, the 133 output voltage V of the second leadoutTo the reading mould
Block 400.When implementing touch-control pressing to the electronic device 10, causes the resistivity of each piezoresistance layer 131 to change, make
Corresponding second lead 133 of four piezoresistance layers 131 output voltage Vout1、Vout2 、Vout3、Vout4Occur corresponding
Variation, can be according to output voltage Vout1、Vout2 、Vout3、Vout4Variable quantity converse the size of touch-control pressing force.It is utilizing
The electronic device 10 implements the touch action of special scenes, such as when object for appreciation game, it usually needs carries out multi-point touch, such as at 3 points
Touch-control.As shown in Figure 3, wherein Fig. 3 shows a wherein example of 3 touch-controls.For convenience of description, first pressure biography is defined
Sensor 130a, second pressure sensor 130b, third pressure sensor 130c, the 4th pressure sensor 130d are subject to
Pressing force size respectively is W1、W2、W3、W4.Using the extending direction of the first side 1121 as Y-axis, with the second side
1122 extending direction is X-axis, and it is respectively W that definition, which is touched 3 points of touch-control pressing forces being subject to of pressing,a、Wb、WcAnd this three
The coordinate of point respectively is (Xa, Ya), (Xb, Yb), (Xc, Yc).The summation of 3 points of pressing forces received is that D and this 3 points are received
The vector coordinate of the summation of pressing force is (X, Y).
When operator carries out touch-control pressing simultaneously to 3 points, which reads four pressure sensors 130
Output voltage, and by the data processing module 500 convert after obtain each pressure sensor 130 because implement 3 touch-controls
And the pressing force size W being subject to1、W2、W3、W4.Meanwhile the synchronous reading of the read module 400 is touched 3 points of seat of pressing
Scale value (Xa, Ya), (Xb, Yb), (Xc, Yc), and export to the data processing module 500.The data processing module 500 is according to described
Data that read module 400 is read (output voltage including four pressure sensors 130 and are touched 3 points of pressing
Coordinate values) and it is pre-stored within distance L in the data processing module 5001And L2Numerical value convert, finally obtain same
When touch-control pressing force size W suffered by each point when being added on above-mentioned 3 touch-controls in facta、Wb、Wc。
Wherein, the data processing module 500 is when carrying out Data Analysis Services, with relational expression include but unlimited
In following relationship:
Referring to figure 5. and Fig. 6, it is counted when stating 10 3 touch-controls of electronic device in the respective embodiments described above further below
Calculate the method and step of the touch-control pressing force size of each point.
Step 501, when implementing 3 touch control operations, the output voltage of four pressure sensors 130 is read, with conversion
The touch-control pressing force size W that each pressure sensor 130 is subject to because implementing 3 touch-controls out1、W2、W3、W4。
Specifically, which reads the output voltage of four pressure sensors 130 respectively in real time, wherein should
First pressure sensor 130a, second pressure sensor 130b, third pressure sensor 130c, the 4th pressure sensor
The corresponding output voltage of 130d is respectively Vout1、Vout2 、Vout3、Vout4, the data processing module 500 is according to four pressure biographies
The corresponding output voltage V of sensor 130out1、Vout2 、Vout3、Vout4Converse first pressure sensor 130a, this second
The pressing force size that pressure sensor 130b, third pressure sensor 130c, the 4th pressure sensor 130d are subject to respectively
W1、W2、W3、W4。
Step 502, it is calculated according to the touch-control pressing force size that each pressure sensor 130 is subject to and is touched pressing
3 points of touch-control pressing force summation and its coordinate D(X, Y), conversion relation formula is as follows:
Specifically, the data processing module 500 is according to first pressure sensor 130a, the second pressure sensor
The pressing force size W that 130b, third pressure sensor 130c, the 4th pressure sensor 130d are subject to respectively1、W2、W3、W4
And distance L in the inner is stored in advance1And L2Numerical value convert, obtain 3 points that are touched pressing touch-control pressing
The summation and its coordinate D(X, Y of power).
Step 503, which reads 3 points of coordinate values (X for being touched pressinga, Ya), (Xb, Yb), (Xc,
Yc).
Step 504, the data which obtains according to step 501 ~ 503, converse and are touched pressing
3 points at touch-control pressing force size Wa、Wb、Wc, conversion relation formula is as follows:
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention
Or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of touch panel, definition has Touch Zone and the cabling area around the Touch Zone, which is characterized in that the touch panel packet
Cover board and touch-control sensing structure are included, which has opposite facing first surface and second surface, which is located at
The second surface, at least one position which corresponds to the region in the cabling area are provided with piezoresistance layer, each pressure
Resistance layer is electrically connected with a first lead and one second lead respectively, the first lead input voltage, the second lead output voltage,
Piezoresistance layer resistivity when by stress changes, and then causes the output voltage of second lead that corresponding become occurs
Change；Wherein, which further includes read module and data processing module, which is electrically connected described the
To read the output voltage of second lead and the coordinate values of touch-control press points, which is electrically connected two leads
For handling the data that the read module is read, which corresponds to the cabling area and is provided with ink layer the read module,
The piezoresistance layer is to be formed by being embedded with multiple pressure drag particles in the ink layer.
2. touch panel as described in claim 1, which is characterized in that the second surface corresponds to the cabling area and is provided with ink
Layer, the ink layer are set between the piezoresistance layer and the cover board.
3. touch panel as described in claim 1, which is characterized in that four angles in the region in the cabling area of the second surface
The place of falling is respectively arranged with a piezoresistance layer.
4. touch panel as claimed in claim 3, which is characterized in that the second surface has two opposite first sides and two
Opposite second side, and two second sides are connected between two first sides；It is walked described in the second surface is corresponding
Four corners in line area are respectively arranged with a piezoresistance layer, each piezoresistance layer, be correspondingly connected with the piezoresistance layer it is described
First lead and second lead being correspondingly connected with the piezoresistance layer collectively form a pressure sensor, configure in second table
Four pressure sensors of four corners in the cabling area in face are respectively defined as first pressure sensor, second pressure passes
Sensor, third pressure sensor, the 4th pressure sensor, the first pressure sensor, the second pressure sensor, the third pressure
Force snesor and the 4th pressure sensor press arranged counterclockwise.
5. touch panel as claimed in claim 4, which is characterized in that the first pressure sensor and the second pressure sensor
The both ends of a second side are located at, the third pressure sensor and the 4th pressure sensor are located at another second side
The both ends on side, and along first side direction, the distance between described pressure sensor of adjacent two is L1, along the second side
Direction, the distance between described pressure sensor of adjacent two are L2, distance L1And L2It is previously stored in the data processing
In module.
6. a kind of electronic device using any touch panel of claim 1 to 5, which further includes display surface
Plate, the display panel are incorporated into the surface of the touch-control sensing structure far from cover board.
7. a kind of touch-control using each point when 3 touch-controls of touch panel detection as claimed in any one of claims 1 to 6 presses
The method of power size, the touch panel have Touch Zone and the cabling area around the Touch Zone, the touch panel include cover board and
Touch-control sensing structure, the cover board have opposite facing first surface and second surface, which is located at second table
Face, four corners of the second surface are respectively arranged with piezoresistance layer, and four piezoresistance layers pass through the input of four first leads respectively
Identical voltage, four piezoresistance layers pass through 4 second leads respectively output voltage, and the piezoresistance layer is when by stress, resistance
Rate changes, and causes the output voltage of second lead that corresponding variation occurs, which further includes read module
And data processing module, the data processing module is for handling the data that the read module is read, which is characterized in that this method
Include:
When implementing 3 touch control operations, which reads the output voltage of four piezoresistance layers, and by the data
Reason module converses the touch-control pressing force size W that four piezoresistance layers are subject to because implementing 3 touch-controls1、W2、W3、W4；
The touch-control pressing force size that the data processing module is subject to according to each piezoresistance layer, which calculates, is touched the three of pressing
The vector coordinate (X, Y) of the summation of the summation D and 3 points of pressing forces received of the touch-control pressing force of point；
The read module reads 3 points of coordinate values (Xa, Ya), (Xb, Yb), (Xc, the Yc) for being touched pressing；
The data processing module converses touch-control pressing force size Wa, Wb, the Wc being touched at 3 points of pressing.
8. the method for the touch-control pressing force size of each point when detecting 3 touch-controls as claimed in claim 7, which is characterized in that
Before implementing 3 touch control operations, in advance by the distance between each piezoresistance layer and adjacent two piezoresistance layers numerical value L1、L2
It is stored in the data processing module.
9. the method for the touch-control pressing force size of each point when detecting 3 touch-controls as claimed in claim 8, which is characterized in that meter
Calculate the vector coordinate of the summation D for 3 points of touch-control pressing force for being touched pressing and the summation of 3 points of pressing forces received
The conversion relation formula of (X, Y) is as follows:
D=W1+W2+W3+W4:
X=(W3+W4)/(W1+W2+W3+W4) × L1；
Y=(W1+W4)/(W1+W2+W3+W4) × L2.
10. the method for the touch-control pressing force size of each point when detecting 3 touch-controls as claimed in claim 7, which is characterized in that
The data processing module converses the touch-control pressing force size W being touched at 3 points of pressinga、Wb、Wc, conversion relation formula is such as
Under:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360479.9A CN105955540B (en) | 2016-05-28 | 2016-05-28 | Touch panel and electronic device |
| TW105117343A TWI603242B (en) | 2016-05-28 | 2016-06-02 | Touch panel, electronic device and method of three-point touch measuring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610360479.9A CN105955540B (en) | 2016-05-28 | 2016-05-28 | Touch panel and electronic device |
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| CN105955540A CN105955540A (en) | 2016-09-21 |
| CN105955540B true CN105955540B (en) | 2019-06-14 |
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| CN106843589B (en) * | 2017-01-25 | 2019-09-20 | 京东方科技集团股份有限公司 | OLED touch-control display panel, display device and its driving method |
| CN107340918B (en) * | 2017-06-30 | 2020-12-04 | 上海天马微电子有限公司 | Array substrate, touch display panel and touch display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200707270A (en) * | 2005-04-28 | 2007-02-16 | 3M Innovative Properties Co | Touch sensitive device and method using pre-touch information |
| WO2010106759A1 (en) * | 2009-03-19 | 2010-09-23 | ソニー株式会社 | Sensor device and information processing device |
| CN104487922A (en) * | 2012-07-26 | 2015-04-01 | 苹果公司 | Gesture and touch input detection through force sensing |
| US9164605B1 (en) * | 2010-02-03 | 2015-10-20 | Cypress Semiconductor Corporation | Force sensor baseline calibration |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003266663A1 (en) * | 2002-10-01 | 2004-04-23 | National Institute Of Advanced Industrial Science And Technology | Piezoelectric sensor and input device comprising same |
| WO2010113698A1 (en) * | 2009-03-31 | 2010-10-07 | 日本写真印刷株式会社 | Information input device and pressure detection unit used for information input device |
| KR101058925B1 (en) * | 2009-06-01 | 2011-08-23 | 디케이 유아이엘 주식회사 | Input device for display with pressure sensor |
| US8269745B2 (en) * | 2010-01-13 | 2012-09-18 | Texas Instruments Incorporated | 5-wire resistive touch screen pressure measurement circuit and method |
| CN202995689U (en) * | 2012-11-01 | 2013-06-12 | 上海汽车集团股份有限公司 | Touch input device |
| JP5587491B1 (en) * | 2013-12-27 | 2014-09-10 | 株式会社フジクラ | Electronic device and control method of electronic device |
| CN104978095A (en) * | 2015-07-28 | 2015-10-14 | 安徽机电职业技术学院 | Three-dimensional multiple-point type touch screen and control method thereof |
| CN205121509U (en) * | 2015-08-26 | 2016-03-30 | 宸鸿科技(厦门)有限公司 | Three -dimensional touch devices |
-
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200707270A (en) * | 2005-04-28 | 2007-02-16 | 3M Innovative Properties Co | Touch sensitive device and method using pre-touch information |
| WO2010106759A1 (en) * | 2009-03-19 | 2010-09-23 | ソニー株式会社 | Sensor device and information processing device |
| CN102138120A (en) * | 2009-03-19 | 2011-07-27 | 索尼公司 | Sensor device and information processing device |
| US9164605B1 (en) * | 2010-02-03 | 2015-10-20 | Cypress Semiconductor Corporation | Force sensor baseline calibration |
| CN104487922A (en) * | 2012-07-26 | 2015-04-01 | 苹果公司 | Gesture and touch input detection through force sensing |
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| Publication number | Publication date |
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| TWI603242B (en) | 2017-10-21 |
| TW201741831A (en) | 2017-12-01 |
| CN105955540A (en) | 2016-09-21 |
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