CN106970728A - A kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric and cognitive method - Google Patents
A kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric and cognitive method Download PDFInfo
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- CN106970728A CN106970728A CN201710322958.6A CN201710322958A CN106970728A CN 106970728 A CN106970728 A CN 106970728A CN 201710322958 A CN201710322958 A CN 201710322958A CN 106970728 A CN106970728 A CN 106970728A
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- 239000004744 fabric Substances 0.000 title claims abstract description 91
- 230000001149 cognitive effect Effects 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 118
- 239000000835 fiber Substances 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 25
- 239000011241 protective layer Substances 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 18
- 229920000728 polyester Polymers 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000008447 perception Effects 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 abstract description 7
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention provides a kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric and cognitive method, wherein perceptual structure is including the upper piezoelectricity protective layer from top to bottom stacked gradually, upper transverse electrode trace layer, upper piezoelectric fabric active layers, lower transverse electrode trace layer, middle piezoelectricity protective layer, upper longitudinal electrode trace layer, lower piezoelectric fiber active layers, lower longitudinal electrode trace layer and pushes electrical protection；Cognitive method includes collection piezoelectric signal in real time and transfers out, compares the position coordinates for obtaining actual touch pressure and judge the steps such as actual touch pressure size according to piezoelectric signal rate of change.The three-dimensional tactile perceptual structure and cognitive method can not only perceive the position of contact, while the feature such as the size of power, acceleration at application point can be detected, be greatly enriched the possibility of human-computer interaction function.
Description
Technical field
The present invention relates to a kind of three-dimensional tactile perceptual structure and cognitive method, especially a kind of piezoelectric fabric is staggered
The cognitive method of three-dimensional tactile perceptual structure.
Background technology
At present, realize that the technology of three-dimensional perception mainly has in the prior art, dependence human body and the electroplax of Apple Inc. are formed
Electric capacity realize that two dimensional surface touches positioning, using flexible glass technology, screen produces micro-strain after stress, makes screen and shape
Become the distance between sensor to shorten, the size of third dimension, i.e. pressure is drawn by complicated mathematical computations.Also have in addition and adopt
With Sandwich-type piezoelectric touch screen, foldable and plastic deformation piezoelectric touch screen and the three-dimensional multipoint mode based on pressure sensor
Touch-screen etc..But, capacitive touch screen is made up of an analogue inductive device and a Bidirectional intelligent controller, and it has the disadvantage
Cost of manufacture is higher, easily by environmental disturbances when using, poor anti jamming capability, and the material of operation object must be electric conductor, for
Have gloves on and carry out the weather such as the situation or rain, snow of touch-control with water with finger in outdoor application, it is difficult to which accurate capture occurs
Touch-control behavior；Chip type piezoelectric element is limited because of its size, and the component flexible is low fragile and for the electricity of Light deformation generation
Few sensitivity for causing detection is not high；Flexible low fragile, the Light deformation sensing of distributed piezoelectricity is difficult, flood piezoresistive material involved by scheme
Material coordinates strip electrode, can distortion to deformation position sensing.
The content of the invention
The technical problem to be solved in the present invention is three-dimensional perception of the prior art either from hardware configuration or from soft
All more complicated for part exploitation, occupying system resources are larger.
In order to solve the above-mentioned technical problem, knot is perceived the invention provides a kind of staggered three-dimensional tactile of piezoelectric fabric
Structure, including upper piezoelectricity protective layer, upper transverse electrode trace layer, upper piezoelectric fabric active layers, the lower horizontal stroke from top to bottom stacked gradually
To contact conductor layer, middle piezoelectricity protective layer, upper longitudinal electrode trace layer, lower piezoelectric fiber active layers, lower longitudinal electrode trace layer
And push electrical protection；Upper piezoelectric fabric active layers are by the piezoelectric fabric that is horizontally arranged at interval and positioned at adj acent piezoelectric fiber
Between polyester isolating bar composition；Lower piezoelectric fiber active layers are by the piezoelectric fabric of longitudinally spaced setting and positioned at adj acent piezoelectric
Polyester isolating bar composition between fiber；The polarised direction of piezoelectric fabric perpendicular to piezoelectric fabric upper and lower side, and in piezoelectricity
Positive electrode and negative electrode are respectively equipped with the upper and lower side of fiber；Upper transverse electrode trace layer and lower transverse electrode trace layer are drawn
Line cross direction profiles, and be connected respectively with the positive electrode and negative electrode in upper piezoelectric fabric active layers；Upper longitudinal electrode trace layer and
Lead genesis analysis in lower longitudinal electrode trace layer, and respectively with the positive electrode and negative electrode phase in lower piezoelectric fiber active layers
Even.
Sensor is made using the double-deck piezoelectric fabric being interspersed, the position of contact can be not only perceived, while can examine
The feature such as size, acceleration of power at application point is surveyed, the possibility of human-computer interaction function is greatly enriched, for high-caliber
Game function exploitation makes great sense；Using piezoelectric fabric and the spaced structure of polyester isolating bar, make display screen
It will not be damaged in the case of large deformation, product flexibility is higher.
As the further limits scheme of perceptual structure of the present invention, upper transverse electrode trace layer, lower transverse electrode trace layer,
Lead in upper longitudinal electrode trace layer and lower longitudinal electrode trace layer is by main lead and at least Liang Gen branches lead structure
Into；Branch's lead is drawn by main lead, and perpendicular with main lead；In upper transverse electrode trace layer and lower transverse electrode trace layer
Main lead it is parallel with the piezoelectric fabric in upper piezoelectric fabric active layers, branch's lead is corresponding with upper piezoelectric fabric active layers
Positive electrode or negative electrode at position are connected.Using have on a piezoelectric fabric a plurality of segmented electrode lead be used for conduct detection
Electric charge, preventing the damage of piezoelectric fabric or which part contact conductor causes charge measurement to be forbidden, life-span of structure design compared with
Height, is hardly damaged.
The invention provides a kind of cognitive method of the staggered three-dimensional tactile perceptual structure of piezoelectric fabric, including it is as follows
Step：
Step 1, it is real in the piezoelectric fabric of horizontal and vertical distribution in upper piezoelectric fabric active layers and lower piezoelectric fiber active layers
When perceive pressing force, and upper transverse electrode trace layer, lower transverse electrode trace layer, upper longitudinal direction electricity are passed through by positive electrode and negative electrode
Pole trace layer and lower longitudinal electrode trace layer transfer out real-time piezoelectric signal；
Step 2, compare that to obtain the most strong piezoelectricity of horizontal piezoelectric signal most strong piezoelectric fabric position and longitudinal piezoelectric signal fine
Tie up position, using the crossover location of horizontal piezoelectric signal most strong piezoelectric fabric and longitudinal piezoelectric signal most strong piezoelectric fabric as
The position coordinates of actual pressing；
Step 3, in calculating in piezoelectric fabric active layers piezoelectric signal most strong piezoelectric fabric piezoelectric signal rate of change, according to pressure
Change in electric rate judges actual pressing force size.
During due to an action triggers, the piezoelectric fabric of diverse location almost reaches the peak value at the point, therefore pressure simultaneously
The rate of change of piezoelectric voltage is the acceleration signature for reflecting deformation quantity in real time, while peak value size also reflects the size of pressing force
So as to realize the acquisition of third dimension parameter.
As the further limits scheme of cognitive method of the present invention, in step 3, piezoelectric signal rate of change is by piezoelectric signal
Peak value divided by signal elevating time are obtained；Peak value and signal elevating time are obtained by the response curve of piezoelectric fabric.
As the further limits scheme of cognitive method of the present invention, in step 3, judge actual according to piezoelectric signal rate of change
Pressing force size is specifically：The piezoelectric signal rate of change gathered in real time is classified according to pressure threshold, and exports corresponding
Graded signal is used for Stress control.The piezoelectric signal rate of change gathered in real time is classified according to pressure threshold, so that will pressure
Change in electric rate scalar quantization, realization is accordingly controlled using pressure size.
The beneficial effects of the present invention are：Sensor is made using the double-deck piezoelectric fabric being interspersed, can not only be perceived
The position of contact, while the feature such as the size of power, acceleration at application point can be detected, is greatly enriched human-computer interaction function
Possibility, for high-caliber game function exploitation make great sense；Arranged using piezoelectric fabric and polyester isolating bar interval
The structure of row, make display screen occur large deformation in the case of and will not damage, product flexibility is higher；According to pressure threshold to adopting in real time
The piezoelectric signal rate of change of collection is classified, so as to by piezoelectric signal rate of change scalar quantization, realize and be carried out using pressure size
Corresponding control.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is piezoelectric fabric active layers end face partial schematic diagram of the invention；
Fig. 3 is generation piezoelectric voltage schematic diagram after the piezoelectric fabric cross direction profiles pressing of the present invention；
Fig. 4 is piezoelectric voltage-time change schematic diagram of the invention.
In figure:1st, upper piezoelectricity protective layer, 2, upper transverse electrode trace layer, 3, upper piezoelectric fabric active layers, 4, lower laterally electricity
Pole trace layer, 5, middle piezoelectricity protective layer, 6, upper longitudinal electrode trace layer, 7, lower piezoelectric fiber active layers, 8, lower longitudinal electrode draws
Line layer, 9, push electrical protection, 10, display screen, 11, piezoelectric fabric, 12, polyester isolating bar, 13, positive electrode, 14, negative electrode.
Embodiment
As shown in figure 1, the staggered three-dimensional tactile perceptual structure of piezoelectric fabric disclosed by the invention, including from top to bottom
The upper piezoelectricity protective layer 1 that stacks gradually, upper transverse electrode trace layer 2, upper piezoelectric fabric active layers 3, lower transverse electrode trace layer
4th, middle piezoelectricity protective layer 5, upper longitudinal electrode trace layer 6, lower piezoelectric fiber active layers 7, lower longitudinal electrode trace layer 8 and push
Electrical protection 9；Push electrical protection 9 and be fitted in display screen 10；Upper piezoelectric fabric active layers 3 are fine by the piezoelectricity being horizontally arranged at interval
Dimension 11 and the polyester isolating bar 12 between adj acent piezoelectric fiber 11 are constituted；Lower piezoelectric fiber active layers 7 are by longitudinally spaced
The piezoelectric fabric 11 of setting and the polyester isolating bar 12 between adj acent piezoelectric fiber 11 are constituted；The polarization of piezoelectric fabric 11
Direction and is respectively equipped with the upper and lower side of piezoelectric fabric 11 positive electrode 13 and negative perpendicular to the upper and lower side of piezoelectric fabric 11
Electrode 14；The lead cross direction profiles of upper transverse electrode trace layer 2 and lower transverse electrode trace layer 4, and respectively with upper piezoelectric fabric
Positive electrode 13 in active layers 3 is connected with negative electrode 14；Drawing in upper longitudinal electrode trace layer 6 and lower longitudinal electrode trace layer 8
Line genesis analysis, and be connected respectively with the positive electrode 13 and negative electrode 14 in lower piezoelectric fiber active layers 7.
It is used as the further limits scheme of the present invention, upper transverse electrode trace layer 2, lower transverse electrode trace layer 4, upper longitudinal direction
Contact conductor layer 6 and lower longitudinal electrode trace layer 8 on lead by main lead and at least Liang Gen branches lead constitute；Point
Branch lead is drawn by main lead, and perpendicular with main lead；In upper transverse electrode trace layer 2 and lower transverse electrode trace layer 4
Main lead is parallel with the piezoelectric fabric 11 in upper piezoelectric fabric active layers 3, branch's lead with it is right in upper piezoelectric fabric active layers 3
Positive electrode 13 or negative electrode 14 at position is answered to be connected.
Present invention also offers a kind of cognitive method based on the staggered three-dimensional tactile perceptual structure of piezoelectric fabric, bag
Include following steps：
Step 1, it is in the piezoelectric fabric of horizontal and vertical distribution in upper piezoelectric fabric active layers 3 and lower piezoelectric fiber active layers 7
11 real-time perception pressing forces, and upper transverse electrode trace layer 2, lower transverse electrode trace layer are passed through by positive electrode 13 and negative electrode 14
4th, upper longitudinal electrode trace layer 6 and lower longitudinal electrode trace layer 8 transfer out real-time piezoelectric signal；
Step 2, compare and obtain horizontal the piezoelectric signal most strong position of piezoelectric fabric 11 and longitudinal piezoelectric signal most strong piezoelectricity
The position of fiber 11, by intersecting for horizontal piezoelectric signal most strong piezoelectric fabric 11 and longitudinal piezoelectric signal most strong piezoelectric fabric 11
Position is used as the actual position coordinates pressed；
Step 3, in calculating in piezoelectric fabric active layers 3 piezoelectric signal most strong piezoelectric fabric 11 piezoelectric signal rate of change, root
Judge actual pressing force size according to piezoelectric signal rate of change.
Wherein, in step 3, piezoelectric signal rate of change is obtained by the peak value divided by signal elevating time of piezoelectric signal；Peak value
Obtained with signal elevating time by the response curve of piezoelectric fabric 11；Actual pressing force size is judged according to piezoelectric signal rate of change
Specifically：The piezoelectric signal rate of change gathered in real time is classified according to pressure threshold, and exports corresponding graded signal and is used
In Stress control.
The upper and lower surface of upper piezoelectric fabric active layers 3 is equipped with piezoelectricity protective layer 1, upper transverse electrode trace layer respectively
2nd, lower transverse electrode trace layer 4, middle piezoelectricity protective layer 5；Upper transverse electrode trace layer 2 and lower transverse electrode trace layer 4 are by drawing
Positive electrode 13 and negative electrode 14 are led to line into external circuitses or electronic circuit is connected with peripheral circuit, the electrode of piezoelectric fabric 11
Positioned at the upper and lower surface of piezoelectric fabric active layers, polarised direction is perpendicular to the upper and lower surface of piezoelectric fabric 11, i.e. polarised direction edge
The thickness direction of active layers；The upper and lower surface of lower piezoelectric fiber active layers 7 is equipped with middle piezoelectricity protective layer 5, upper longitudinal direction respectively
Contact conductor layer 6, lower longitudinal electrode trace layer 8 and electrical protection 9 is pushed, upper longitudinal electrode trace layer 6 and lower longitudinal electrode
Positive electrode 13 and negative electrode 14 are led into external circuitses by lead for trace layer 8 or electronic circuit is connected with peripheral circuit, pressure
The electrode of electric fiber 11 is located at the upper and lower surface of piezoelectric fabric active layers, upper following table of the polarised direction perpendicular to piezoelectric fabric 11
The thickness direction of face, i.e. polarised direction along active layers.
Paving mode of the piezoelectric fabric 11 in active layers is that strip is laid, and the piezoelectric direction of two layers of active layers
It is orthogonal, the overall display distribution that n × n is presented, wherein, n is the bar number of piezoelectric, n>2.
When piezoelectric type touch screen works, the voltage that the piezoelectric fabric 11 obtained according to measurement is produced, you can obtain characterizing and touch
The data of dynamics size are touched, its voltage swing obtains the position of peak value, be pressing position point coordinates in this direction, such as Fig. 3
It is shown.Observe Fig. 3 to understand, piezoelectric voltage reaches peak value at the laying of Article 4 piezoelectric fabric 11, therefore Article 4 piezoelectricity in this direction
The position of material is the position locator value of touch point in this direction.
It is bent with the response of time by the piezoelectric voltage for contrasting same pressing moment same layer when piezoelectric type touch screen works
Line, can obtain curve shown in Fig. 4, and action is an action of same time triggered, thus diverse location piezoelectric fabric 11 almost
The peak value at the point is reached simultaneously, while contrasting the response curve of three different piezoelectric fabrics 11, the piezoelectric that numbering is 3
Response speed change is most fast, and the rate of change of piezoelectric voltage is the acceleration signature for reflecting deformation quantity in real time.In such as Fig. 4, the 3rd
Pressing acceleration at bar piezoelectric increases most fast, and the pressing acceleration at the 1st article of piezoelectric fabric 11 increases most slow；Therefore can
To characterize the size of pressing force with the rate of change of piezoelectric voltage.
Claims (5)
1. a kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric, it is characterised in that：Including from top to bottom stacking gradually
Upper piezoelectricity protective layer（1）, upper transverse electrode trace layer（2）, upper piezoelectric fabric active layers（3）, lower transverse electrode trace layer
（4）, middle piezoelectricity protective layer（5）, upper longitudinal electrode trace layer（6）, lower piezoelectric fiber active layers（7）, lower longitudinal electrode trace layer
（8）And push electrical protection（9）；Upper piezoelectric fabric active layers（3）By the piezoelectric fabric being horizontally arranged at interval（11）And position
In adj acent piezoelectric fiber（11）Between polyester isolating bar（12）Composition；Lower piezoelectric fiber active layers（7）Set by longitudinally spaced
Piezoelectric fabric（11）And positioned at adj acent piezoelectric fiber（11）Between polyester isolating bar（12）Composition；Piezoelectric fabric（11）'s
Polarised direction is perpendicular to piezoelectric fabric（11）Upper and lower side, and in piezoelectric fabric（11）Upper and lower side on be respectively equipped with positive electricity
Pole（13）And negative electrode（14）；Upper transverse electrode trace layer（2）With lower transverse electrode trace layer（4）Lead cross direction profiles, and
Respectively with upper piezoelectric fabric active layers（3）On positive electrode（13）And negative electrode（14）It is connected；Upper longitudinal electrode trace layer（6）With
Lower longitudinal electrode trace layer（8）On lead genesis analysis, and respectively with lower piezoelectric fiber active layers（7）On positive electrode（13）
And negative electrode（14）It is connected.
2. the staggered three-dimensional tactile perceptual structure of piezoelectric fabric according to claim 1, it is characterised in that：Upper transverse direction
Contact conductor layer（2）, lower transverse electrode trace layer（4）, upper longitudinal electrode trace layer（6）And lower longitudinal electrode trace layer（8）
On lead by main lead and at least Liang Gen branches lead constitute；Branch's lead is drawn by main lead, and with main lead phase
Vertically；Upper transverse electrode trace layer（2）With lower transverse electrode trace layer（4）On main lead and upper piezoelectric fabric active layers（3）
On piezoelectric fabric（11）It is parallel, branch's lead and upper piezoelectric fabric active layers（3）The positive electrode of upper corresponding position（13）
Or negative electrode（14）It is connected.
3. the cognitive method of the staggered three-dimensional tactile perceptual structure of piezoelectric fabric according to claim 1, its feature
It is, comprises the following steps：
Step 1, by upper piezoelectric fabric active layers（3）With lower piezoelectric fiber active layers（7）The upper piezoelectricity in horizontal and vertical distribution
Fiber（11）Real-time perception pressing force, and by positive electrode（13）And negative electrode（14）Pass through upper transverse electrode trace layer（2）, lower horizontal stroke
To contact conductor layer（4）, upper longitudinal electrode trace layer（6）And lower longitudinal electrode trace layer（8）Real-time piezoelectric signal is transmitted
Go out；
Step 2, compare and obtain horizontal piezoelectric signal most strong piezoelectric fabric（11）Position and longitudinal piezoelectric signal most strong pressure
Electric fiber（11）Position, by horizontal piezoelectric signal most strong piezoelectric fabric（11）With longitudinal piezoelectric signal most strong piezoelectric fabric
（11）Crossover location be used as the position coordinates of actual pressing；
Step 3, piezoelectric fabric active layers in calculating（3）Upper piezoelectric signal most strong piezoelectric fabric（11）Piezoelectric signal change
Rate, actual pressing force size is judged according to piezoelectric signal rate of change.
4. the cognitive method of the staggered three-dimensional tactile perceptual structure of piezoelectric fabric according to claim 3, its feature
It is, in step 3, piezoelectric signal rate of change is obtained by the peak value divided by signal elevating time of piezoelectric signal；On peak value and signal
The time of liter is by piezoelectric fabric（11）Response curve obtain.
5. the cognitive method of the staggered three-dimensional tactile perceptual structure of piezoelectric fabric according to claim 3, its feature
It is, in step 3, judges that actual pressing force size is specifically according to piezoelectric signal rate of change：According to pressure threshold to adopting in real time
The piezoelectric signal rate of change of collection is classified, and exports corresponding graded signal for Stress control.
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| CN201710322958.6A CN106970728B (en) | 2017-05-09 | 2017-05-09 | Three-dimensional touch sensing structure and sensing method with staggered piezoelectric fibers |
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| CN201710322958.6A CN106970728B (en) | 2017-05-09 | 2017-05-09 | Three-dimensional touch sensing structure and sensing method with staggered piezoelectric fibers |
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| CN106970728B CN106970728B (en) | 2024-05-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107688411A (en) * | 2017-09-14 | 2018-02-13 | 京东方科技集团股份有限公司 | Substrate and its method for sensing, contact panel and display device |
| CN108493324A (en) * | 2018-03-16 | 2018-09-04 | 济南大学 | A kind of double wafer structure piezoelectric fibre composite material and preparation method thereof |
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| CN102339166A (en) * | 2011-10-12 | 2012-02-01 | 清华大学 | Foldable and flexibly-deformable piezoelectric touch screen |
| CN204087159U (en) * | 2014-10-31 | 2015-01-07 | 合肥鑫晟光电科技有限公司 | A kind of touch-screen and display panel |
| CN106104239A (en) * | 2014-10-17 | 2016-11-09 | 日本写真印刷株式会社 | Pressure-detecting device, the control method of pressure-detecting device and program |
| CN206892837U (en) * | 2017-05-09 | 2018-01-16 | 南京汇越光电科技有限公司 | A kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric |
-
2017
- 2017-05-09 CN CN201710322958.6A patent/CN106970728B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102339166A (en) * | 2011-10-12 | 2012-02-01 | 清华大学 | Foldable and flexibly-deformable piezoelectric touch screen |
| CN106104239A (en) * | 2014-10-17 | 2016-11-09 | 日本写真印刷株式会社 | Pressure-detecting device, the control method of pressure-detecting device and program |
| CN204087159U (en) * | 2014-10-31 | 2015-01-07 | 合肥鑫晟光电科技有限公司 | A kind of touch-screen and display panel |
| CN206892837U (en) * | 2017-05-09 | 2018-01-16 | 南京汇越光电科技有限公司 | A kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107688411A (en) * | 2017-09-14 | 2018-02-13 | 京东方科技集团股份有限公司 | Substrate and its method for sensing, contact panel and display device |
| CN108493324A (en) * | 2018-03-16 | 2018-09-04 | 济南大学 | A kind of double wafer structure piezoelectric fibre composite material and preparation method thereof |
| CN108493324B (en) * | 2018-03-16 | 2023-02-03 | 济南大学 | Piezoelectric fiber composite material with double-wafer structure and preparation method thereof |
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| CN106970728B (en) | 2024-05-24 |
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