CN106527784A - Three-dimensional induction touch screen - Google Patents
Three-dimensional induction touch screen Download PDFInfo
- Publication number
- CN106527784A CN106527784A CN201510587560.6A CN201510587560A CN106527784A CN 106527784 A CN106527784 A CN 106527784A CN 201510587560 A CN201510587560 A CN 201510587560A CN 106527784 A CN106527784 A CN 106527784A
- Authority
- CN
- China
- Prior art keywords
- touch
- pressure
- dimensionality
- control system
- screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a three-dimensional induction touch system on one hand. The three-dimensional induction touch system comprises touch sensors and a touch integrated circuit. The touch sensors include a capacitive touch sensor and a pressure touch sensor; when a screen body plane of a touch screen is touched, position coordinates of the touched part in the screen body plane are detected through the capacitive touch sensor, a pressure on the touched part is detected through the pressure touch sensor, and components, in a direction perpendicular to the screen body plane, of the pressure and the position coordinates are synthesized into a three-dimensional touch signal. The touch integrated circuit is connected with the touch sensor through a flexible circuit board interface, is connected with a main control chip of a complete machine through an I2C interface, receives the three-dimensional touch signal, and transmits the three-dimensional touch signal to the main control chip of the complete machine after performing preliminary processing. The invention discloses the three-dimensional induction touch screen on the other hand. The three-dimensional induction touch screen comprises the three-dimensional induction touch system disclosed by the invention on one hand.
Description
Technical field
The present invention relates to touch-control field, more particularly to a kind of three dimensionality induction touch panel.
Background technology
Touch screen is a kind of current most simple, convenient, natural man-machine interaction mode.In order to realize pressure on the touchscreen
The sensing of power, it is most direct mode that finger is touched.To the detection of pressure typically by power deformation effect, specifically
Ground is said, or the deformation produced by detection screen, or the deformation of detection finger belly, it is clear that the latter is simultaneously difficult to realize.
However, the deformation of screen meeting generation area property when being under pressure, causes positioning inaccurate, and with the difference of dynamics
The size of the deformation for causing is also different, wants to detect that the size of deformation is accomplished by sensing of the screen to pressure especially sensitive,
It is very harsh that this results in the material requirements to touch screen.Therefore, offer one kind is provided badly and can solve the problem that above-mentioned these problems
Touch screen.
The content of the invention
A first aspect of the present invention provides a kind of three dimensionality and senses touch-control system, including：Touch sensor, including electricity
Hold touch sensor and pressure touch sensor, when the screen body plane of touch screen is touched, by capacitance touch sensing
Position coordinateses of the device detection by touch place in screen body plane, and be subject to by touch place by the detection of pressure touch sensor
Pressure, and pressure is touched with position coordinateses one three dimensionality of synthesis in the component on the direction of screen body plane
Touch signal；And touch-control integrated circuit, it is connected with touch sensor by flexible circuit plate interface, and passes through I2C
Interface is connected with whole machine main control chip, and touch-control integrated circuit receives three dimensionality touch signal, and three dimensionality is touched letter
Number whole machine main control chip is transferred to after preliminary treatment is carried out.
In a preferred embodiment of the invention, pressure touch sensor is by made by Graphene or CNT.
In a preferred embodiment of the invention, scope of the thickness of pressure touch sensor in 0.05mm-4mm
It is interior.
In a preferred embodiment of the invention, pressure touch sensor exists for the sensitivity of pressure
0.1g/cm2-5000g/cm2In the range of.
In a preferred embodiment of the invention, the base material of pressure touch sensor is selected from rubber, gathers to benzene
Naphthalate, polymethyl methacrylate, polyethylene or polyimides, organic silica gel and ethyl vinyl acetate second
One of alkene copolymer.
In a preferred embodiment of the invention, flexible circuit plate interface is by the induction channels of the first quantity and the
The driving passage of two quantity is connected with capacitive touch screen, and the pressure channel and pressure touch by the 3rd quantity
Sensor is connected, and flexible circuit plate interface is also by the induction channels of the first quantity, the driving passage of the second quantity
It is connected with touch-control integrated circuit with the pressure channel of the 3rd quantity.
In a preferred embodiment of the invention, the first quantity is in the range of 1 to 50, and the second quantity is 1
To in the range of 50, and the 3rd quantity is in the range of 1 to 20.
In a preferred embodiment of the invention, all of pressure touch sensor shares a Grounding,
The corresponding respective pressure channel of each described pressure touch sensor.
In a preferred embodiment of the invention, pressure touch sensor is installed in the way of fitting.
In a preferred embodiment of the invention, pressure touch sensor is arranged on the cover plate face of touch module.
In a preferred embodiment of the invention, pressure touch sensor is arranged on touch screen display screen four below
Week.
In a preferred embodiment of the invention, pressure touch sensor is arranged on display screen rear portion.
In a preferred embodiment of the invention, pressure touch sensor is connected with being directly bound mode or welding manner
It is connected on inside touch sensing.
In a preferred embodiment of the invention, pressure touch sensor is connected to the flexible PCB of touch screen and connects
Mouthful.
A second aspect of the present invention provides a kind of three dimensionality induction touch panel, and which is included according to the first aspect of the invention
Three dimensionality sensing touch-control system.
The advantageous effects of the present invention：The three dimensionality induction touch panel that the present invention is provided, can not only recognize what finger was clicked on
Position, and different pressure values and touch manner is can also distinguish between, such as differentiate the area that fingernail is clicked on and finger pulp is pressed
Not, such that it is able to realizing different operations by different finger movements, be user text-processing, Form Handle and
More powerful instrument and more smooth experience are brought when playing game.
Foregoing invention content is summary, and therefore inevitably comprising the simplification to details, summary and omission；
Therefore, one of ordinary skill in the art will be understood that the summary just for the sake of illustrating, it is not intended that with any side
Formula is restricted.By detailed description below, these devices described here and/or method and/or other
Other aspects, features and advantages of bright theme will become clear from.
Description of the drawings
With reference to accompanying drawing, by explained below and appended claim, above-mentioned and other features of the present invention will become
Must become apparent from.
Fig. 1 is the structural representation that three dimensionality according to the first aspect of the invention senses touch-control system.
Fig. 2 be the three dimensionality sensing touch-control system in Fig. 1 for respectively by touch sensor and touch-control integrated circuit with
The detailed schematic of the interface channel that flexible circuit plate interface is connected.
Fig. 3 is that the three dimensionality in Fig. 1 senses schematic diagram of touch-control system when by touching.
Fig. 4 is the side view and front view of three dimensionality induction touch panel according to the second aspect of the invention.
Fig. 5 is the scheme of installation for sensing the pressure touch sensor of Z axis pressure signal in smart mobile phone.
Specific embodiment
In specific embodiment below, by with reference to the accompanying drawing for forming this specification part.In the accompanying drawings, it is similar
Reference generally refer to similar part, unless otherwise indicated in context.Specific embodiment, accompanying drawing and
Illustrative examples described in claims are not intended to limit the present invention.Without departing from inventing shown herein
In the case of the principle and scope of theme, alternative embodiment can be adopted, it is also possible to embodiment is revised and is changed
Type.It can be readily appreciated that each aspect of the present invention substantially describing herein and illustrated in accompanying drawing can be
Carry out arranging, replace, combine, decouple and abridging in wide in range configuration variation, all these arrangements, replacement, combination,
Partition and abreviation are each fallen within the scope of the present invention.
Fig. 1 is the structural representation that three dimensionality according to the first aspect of the invention senses touch-control system.As shown in figure 1,
The three dimensionality sensing touch-control system of the present invention includes touch sensor 1.Touch sensor 1 includes two classes, and a class is sense
The capacitive touch screen of plan-position coordinate is answered, a class is for sensing the pressure touch of Z axis pressure signal biography in addition
Sensor.When the screen body plane of touch screen is touched, by capacitive touch screen detection by touch place in screen body plane
Interior position coordinateses, and the pressure being subject to by touch place by the detection of pressure touch sensor, and by pressure vertical
Component on the direction of screen body plane synthesizes a three dimensionality touch signal with position coordinateses.
It will be appreciated by those skilled in the art that the deformation of screen meeting generation area property when being under pressure, causes positioning not
Standard, and the size of the deformation caused with the difference of dynamics is also different, wants to detect that the size of deformation is accomplished by screen
Curtain is especially sensitive to the sensing of pressure, and it is very harsh that this results in the material requirements to touch screen.For this purpose, the present invention
Three dimensionality sensing touch-control system originally employs the pressure touch sensor by made by Graphene or CNT.Carbon is received
Mitron and Graphene are an excellent peacekeeping Two-dimensional Carbon material respectively, and they have embodied one-dimensional and two dimension each respectively
Anisotropy, such as electric conductivity, mechanical property and heat conductivity etc., also embody excellent susceptiveness in terms of pressure sensitive,
But especially it is not applied in terms of the pressure touch for smart machine not yet in terms of pressure touch before.This
The thickness of bright pressure touch sensor can be adjusted in the range of 0.05mm-4mm.The pressure touch of the present invention is passed
Sensor can be in 0.1g/cm for the sensitivity of pressure2-5000g/cm2In the range of adjust.The pressure touch of the present invention is passed
The base material of sensor can be selected from rubber, polyethylene terephthalate, polymethyl methacrylate, polyethylene
One of or polyimides, organic silica gel, ethylene-vinyl acetate copolymer (EVA).By techniques described above parameter system
Into pressure touch sensor, can by fit in the way of install, the size of pressure when can not only detect click, very
To can also distinguish between different pressure values and touch manner, the difference that fingernail is clicked on and finger pulp is pressed such as is differentiated.
It can be seen from figure 1 that the three dimensionality sensing touch-control system of the present invention also includes touch-control integrated circuit 3, by flexibility
Circuit board interface 2 is connected with touch sensor 1, and passes through I2C interface 4 is connected with whole machine main control chip,
Touch-control integrated circuit 3 receives the three dimensionality touch signal from touch sensor 1, and three dimensionality touch signal is being entered
Whole machine main control chip is transferred to after row preliminary treatment.
Fig. 2 be the three dimensionality sensing touch-control system in Fig. 1 for respectively by touch sensor 1 and touch-control integrated circuit
The detailed schematic of 3 interface channels being connected with flexible circuit plate interface 2.Referring to Fig. 2, above-mentioned touch sensor 1
Including two classes, a class is the capacitive touch screen of induction planes position coordinateses, outputs signals to R1 to Rp common p
Induction channels and the common n driving passages of T1 to Tn；An other class is the pressure touch for sensing Z axis pressure signal
Sensor, outputs signals to the common m pressure channel of Z1 to Zm, each respective pressure of pressure channel correspondence
Touch sensor, all pressure touch sensors share ground connection (Gnd) passage.The interface channel includes：
The individual induction channels of R1 to Rp common p (1 to 50), the individual driving passages of T1 to Tn common n (1 to 50), and Z1
To the individual pressure channels of Zm common m (1 to 20).It can be seen from figure 1 that flexible circuit plate interface 2 is sensed by p
Passage and n driving passage are connected with capacitive touch screen, and are sensed with pressure touch by m pressure channel
Device is connected, and flexible circuit plate interface 2 drives passage and m pressure likewise by p induction channels, n
Passage is connected with touch-control integrated circuit 3.Thus, by flexible circuit plate interface 2 constitute touch sensor 1 with
The docking of touch-control integrated circuit 3, realizes signal communication.
Fig. 3 is that the three dimensionality in Fig. 1 senses schematic diagram of touch-control system when by touching.As shown in figure 3, work as receiving
When touching, the deformation of screen region property, and the three dimensionality of present invention sensing touch-control system is not simply to feel
Answer the coordinate by touch place of screen, additionally it is possible to the pressure that perception is subject to by touch place.Screen occurs when being under pressure
Regional deformation (pressure cone) central point will by the present invention three dimensionality sensing touch-control system record, Jing
Cross the central overall point that preliminary treatment can obtain multiple pressure cones, namely in figure 8 indication of reference cone point.This
The three dimensionality sensing touch-control system of invention, the screen body plane with touch screen as x-y plane, and with perpendicular to x-y plane
Direction be z-axis direction, thereby establish three dimensionality coordinate system, and will be by touch place when touch screen is touched
The x of (the central overall points 8 of multiple pressure cones in Fig. 4), y location coordinate figure and the pressure being subject in z-axis direction are remembered
Record and generate three dimensionality touch signal.As the three dimensionality sensing touch-control system of the present invention is originally employed by graphite
Pressure touch sensor made by alkene or CNT, so can more delicately detect the deformation of regional
Central overall point.
Fig. 4 is the side view and front view of three dimensionality induction touch panel according to the second aspect of the invention, wherein Fig. 4
Left is side view, and right is front view.As shown in figure 4, the capacitive touch screen peace of sensing X/Y plane coordinate
The back side of touch screen is mounted in, and it is capacitance touching control sensitive surface 9 to shield body front.Binding region 6 is shown in Fig. 4, is being tied up
2 (not shown) of flexible circuit plate interface is installed in determining region 6, Jing this will be capacitive touch screen and touch-control integrated
Circuit 3 is docked, and touch-control integrated circuit 3 passes through I then2C interface 4 is connected with whole machine main control chip.
Fig. 5 is the scheme of installation for sensing the pressure touch sensor 10 of Z axis pressure signal in smart mobile phone.
It will be understood by those skilled in the art that the three dimensionality sensing touch-control system of the present invention is applicable not only to smart mobile phone, also fit
For any intelligence system using touch screen.As shown in figure 5, in this preferred embodiment, all of pressure touch
Sensor 10 shares ground connection (GND) passage, and each pressure touch sensor 10 includes a single pressure
Passage.Pressure touch sensor 10 is connected to inside touch sensing with being directly bound mode or welding manner.Each intelligence
Energy mobile phone can install one or more pressure touch sensor 10.Side of the pressure touch sensor 10 to fit
Formula is installed, and be may be mounted at the cover plate face of touch module, be may be mounted at touch screen display screen surrounding below, also may be used
Installed in display screen rear portion, can be adjusted according to the design requirement of final products.
Conventional pressure touch sensor needs to be paved with one layer below screen or be entirely paved with a circle in screen edge,
Just can with actual induction pressure change, and the present invention adopt pressure touch sensor only need to it is big according to the size of screen
It is little individual in screen edge distribution 1 to m, you can to perceive the pressure change of whole screen.As described above, here is preferred
In embodiment, the numerical range of m is 1 to 20.
The three dimensionality induction touch panel that the present invention is provided, can not only recognize the position that finger is clicked on, but also can be with area
Divide different pressure values and touch manner, such as differentiate the difference that fingernail is clicked on and finger pulp is pressed, such that it is able to pass through not
Same finger movement realizes different operations, is that user brings more powerful in text-processing, Form Handle and when playing game
Instrument and more smooth experience.
It will be understood by those skilled in the art that generally, using in the description and in detail in the claims
Term it is generally desirable to be considered " open " term, and term " with " should be interpreted " at least with ", term " including "
" including but not limited to " etc. should be interpreted.Unless otherwise prescribed, term " connection ", " being connected " should be by broadly
Explain, can be that to be joined directly together can also be indirectly connected to, one of ordinary skill in the art can be as the case may be
Understand the concrete meaning of above-mentioned term.
Although illustrating and describing the present invention, the common skill of this area with reference to specific embodiments of the present invention
Art personnel are appreciated that in the case of without departing from the spirit and scope of the present invention, can enter in a particular embodiment
The above and other change in terms of form and details of row, including but not limited to addition, reduction or modified elements
Or substituted with equivalent.
Claims (10)
1. a kind of three dimensionality senses touch-control system, it is characterised in that the three dimensionality sensing touch-control system includes：
Touch sensor, including capacitive touch screen and pressure touch sensor, is touched in the screen body plane of touch screen
When touching, by capacitive touch screen detection by position coordinateses of the touch place in the screen body plane, and pass through
The pressure being subject to by touch place described in the pressure touch sensor detection, and by the pressure perpendicular to the screen
Component on the direction of body plane synthesizes a three dimensionality touch signal with the position coordinateses；And
Touch-control integrated circuit, is connected with the touch sensor by flexible circuit plate interface, and passes through I2C connects
Mouthful it is connected with whole machine main control chip, the touch-control integrated circuit receives the three dimensionality touch signal, and by described three
Dimension touch signal is transferred to the whole machine main control chip after preliminary treatment is carried out.
2. three dimensionality according to claim 1 senses touch-control system, it is characterised in that the pressure touch sensor
It is by made by Graphene or CNT.
3. three dimensionality according to claim 2 senses touch-control system, it is characterised in that the pressure touch sensing
The thickness of device is in the range of 0.05mm-4mm.
4. three dimensionality according to claim 2 senses touch-control system, it is characterised in that the pressure touch sensing
Device for the sensitivity of pressure is in 0.1g/cm2-5000g/cm2In the range of.
5. three dimensionality according to claim 2 senses touch-control system, it is characterised in that the pressure touch sensing
The base material of device is selected from rubber, polyethylene terephthalate, polymethyl methacrylate, polyethylene or polyamides
One of imines, organic silica gel and ethylene-vinyl acetate copolymer.
6. three dimensionality according to claim 1 and 2 senses touch-control system, it is characterised in that the flexible circuit
The driving passage of induction channels and second quantity of the plate interface by the first quantity is connected with the capacitive touch screen,
And the pressure channel by the 3rd quantity is connected with the pressure touch sensor, and the flexible circuit plate interface
Also by the induction channels of the first quantity, the pressure channel and the touch-control that drive passage and the 3rd quantity of the second quantity
Integrated circuit is connected.
7. three dimensionality according to claim 6 senses touch-control system, it is characterised in that first quantity is 1
To in the range of 50, second quantity is in the range of 1 to 50, and the 3rd quantity is in 1 to 20 scope
It is interior.
8. three dimensionality according to claim 7 senses touch-control system, it is characterised in that all of pressure is touched
Touch sensor and share a Grounding, the corresponding respective pressure channel of each described pressure touch sensor.
9. according to arbitrary described three dimensionality sensing touch-control system in claim 1 to 5, it is characterised in that the pressure
Power touch sensor is installed in the way of fitting.
10. a kind of three dimensionality induction touch panel, it is characterised in that the three dimensionality induction touch panel includes will according to right
Seek arbitrary described three dimensionality sensing touch-control system in 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510587560.6A CN106527784A (en) | 2015-09-15 | 2015-09-15 | Three-dimensional induction touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510587560.6A CN106527784A (en) | 2015-09-15 | 2015-09-15 | Three-dimensional induction touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106527784A true CN106527784A (en) | 2017-03-22 |
Family
ID=58348700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510587560.6A Pending CN106527784A (en) | 2015-09-15 | 2015-09-15 | Three-dimensional induction touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106527784A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108009483A (en) * | 2017-11-28 | 2018-05-08 | 信利光电股份有限公司 | A kind of image collecting device, method and intelligent identifying system |
| CN109669581A (en) * | 2018-12-29 | 2019-04-23 | 联想(北京)有限公司 | Input unit, input method and calculating equipment |
| CN109752618A (en) * | 2019-03-22 | 2019-05-14 | 敦泰电子有限公司 | A kind of combination of touch screen detection chip and terminal device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019449A (en) * | 2012-12-24 | 2013-04-03 | 江苏物联网研究发展中心 | Three-dimensional multi-point type touch screen based on pressure sensor |
| CN103941918A (en) * | 2014-04-21 | 2014-07-23 | 无锡格菲电子薄膜科技有限公司 | Graphene thin film touch sensor and manufacturing method thereof |
| CN104220964A (en) * | 2010-12-24 | 2014-12-17 | 石墨烯广场株式会社 | Touch sensor using graphin for simultaneously detecting pressure and position |
-
2015
- 2015-09-15 CN CN201510587560.6A patent/CN106527784A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104220964A (en) * | 2010-12-24 | 2014-12-17 | 石墨烯广场株式会社 | Touch sensor using graphin for simultaneously detecting pressure and position |
| CN103019449A (en) * | 2012-12-24 | 2013-04-03 | 江苏物联网研究发展中心 | Three-dimensional multi-point type touch screen based on pressure sensor |
| CN103941918A (en) * | 2014-04-21 | 2014-07-23 | 无锡格菲电子薄膜科技有限公司 | Graphene thin film touch sensor and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李明曦: "新材料：石墨烯、碳纳米管、金属网格将成触摸屏新主流", 《《HTTP://WWW.CI800.COM/NEWS/HTMLNEW/2013-11/37030.HTM》》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108009483A (en) * | 2017-11-28 | 2018-05-08 | 信利光电股份有限公司 | A kind of image collecting device, method and intelligent identifying system |
| CN109669581A (en) * | 2018-12-29 | 2019-04-23 | 联想(北京)有限公司 | Input unit, input method and calculating equipment |
| CN109752618A (en) * | 2019-03-22 | 2019-05-14 | 敦泰电子有限公司 | A kind of combination of touch screen detection chip and terminal device |
| US11789562B2 (en) | 2019-03-22 | 2023-10-17 | Focaltech Electronics, Ltd. | Touch screen detection chip combination and terminal device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105867706B (en) | Touch input device | |
| CN105183249B (en) | Touch panel and its operating method | |
| KR101523596B1 (en) | Touch and hover sensing | |
| CN103925935B (en) | Capacitive sensor means | |
| CN105988653B (en) | Touch panel device and its driving method and portable electronic device including the device | |
| KR101769889B1 (en) | System and method for the generation of a signal correlated with a manual input operation | |
| EP2518603B1 (en) | Multi-touch and multi-user detecting device | |
| US9250752B2 (en) | Capacitance scanning proximity detection | |
| US20140362030A1 (en) | Capacitive touch screen and method for manufacturing the same | |
| KR102050508B1 (en) | Gesturing Arcitecture Using Proximity Sensing | |
| US10222913B2 (en) | Device for contactless interaction with an electronic and/or computer apparatus, and apparatus equipped with such a device | |
| CN103927065B (en) | Touch screen and method for detecting same | |
| KR20140067971A (en) | Touch sensitive screen | |
| CN103294319A (en) | Capacitive touch screen | |
| TW201510804A (en) | Control method for touch panel | |
| CN108073334A (en) | A kind of suspension touch control method and device based on vector calculus | |
| KR20130009466A (en) | Touch screen panel with electro static discharge | |
| CN107817925A (en) | Method for adjusting baseline value of capacitive touch pad | |
| CN106527784A (en) | Three-dimensional induction touch screen | |
| US20220043532A1 (en) | Touch control apparatus, touch control drive method and touch control display panel | |
| US10019102B2 (en) | Touch screen and terminal | |
| CN102681713B (en) | Three-dimensional touch display system and method | |
| CN205281452U (en) | Integrated touch -control display panel and integrated touch -sensitive display device | |
| CN203324956U (en) | Capacitive touch screen | |
| CN203733090U (en) | Self-capacitance touch screen and touch display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |