CN106200929B - Condenser type tactile feedback display device, working method and its detection method - Google Patents
Condenser type tactile feedback display device, working method and its detection method Download PDFInfo
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- CN106200929B CN106200929B CN201610507226.XA CN201610507226A CN106200929B CN 106200929 B CN106200929 B CN 106200929B CN 201610507226 A CN201610507226 A CN 201610507226A CN 106200929 B CN106200929 B CN 106200929B
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- touch
- feedback
- transparent electrode
- condenser type
- display device
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- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 16
- 125000006850 spacer group Chemical group 0.000 claims abstract description 10
- 230000010287 polarization Effects 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 230000005686 electrostatic field Effects 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 229910004205 SiNX Inorganic materials 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
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
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
A kind of condenser type tactile feedback display device of present invention offer, working method and its detection method, condenser type tactile feedback display device include：Touch-control feedback device and display panel, the touch-control feedback device includes touch control unit and feedback unit, wherein the touch control unit includes fexible film and upper transparent electrode；The feedback unit includes：Glass substrate, scan line, insulating layer data line, TFT switch and lower transparent electrode, four conductive electrodes and spacer material.The present invention applies corresponding electric signal by the way that capacitive touch control unit, the feedback unit in each capacitive touch control unit is arranged, and according to touch feedback driving circuit according to corresponding touch feedback region, realizes physics bumps touch feedback.
Description
Technical field
The invention belongs to touch control detection technical field more particularly to a kind of condenser type tactile feedback display device, work sides
Method and its detection method.
Technical background
In daily life, touch feedback is widely used in the touch screens such as mobile phone, tablet, camera, is brought entirely for us
New user experience and enjoyment, touch feedback be using electronic technology come simulated touch when feeling, user can be helped
Using their tactile, without relying solely on their vision or sense of hearing, finally improves the accuracy of text input and make achievement
It imitates, touch feedback mainly uses vibration mode, such as mobile phone to be set as calling vibration at present.Based on above-mentioned background, this patent carries
A kind of display device for realizing touch-control feedback using " physics recess " is gone out.
Invention content
Realizing that the condenser type touch feedback of touch-control feedback is aobvious using physics recess the purpose of the present invention is to provide a kind of
Showing device, working method and its detection method.
The present invention provides a kind of condenser type tactile feedback display device comprising：Positioned at upper layer touch-control feedback device and
Positioned at the display panel of lower layer；The touch-control feedback device includes touch control unit and feedback unit, wherein the touch control unit packet
Include the fexible film positioned at the touch-control feedback device surface and the upper transparent electrode under the fexible film；The feedback unit
Including：It is glass substrate on display panel, multiple scan lines on the glass substrate, exhausted in the scan line
Edge layer, is located at multiple scan lines and multiple numbers at the multiple data lines crisscross on insulating layer and with multiple scan line
According to multiple TFT switches at the crisscross place of line and multiple lower transparent electrodes, it is located on glass substrate and passes through wiring and scan line
It is with four conductive electrodes of data line contact and in multiple lower transparent electrodes and for being separated with the touch control unit
Multiple spacer materials.
Preferably, the upper transparent electrode is that whole face is laid with, and the spacer material separates each lower transparent electrode and upper transparent
Electrode.
Preferably, the TFT switch include the grid being connect with the scan line, the source electrode being connect with the data line,
And the drain electrode being connect with the lower transparent electrode.
Preferably, the material of the insulating layer is SiO2Or SiNx。
Preferably, the spacer material is transparent resin material.
Preferably, the upper transparent electrode and lower transparent electrode are made of ITO or graphene or carbon nanotube.
Preferably, the display panel is liquid crystal display or Plasmia indicating panel or organic light-emitting diodes
Pipe.
The present invention also provides a kind of working methods of condenser type tactile feedback display device, include the following steps：
The first step：Touch fexible film, the surrounding of upper transparent electrode flows through the electric current of touch point, calculate four electric currents it
Between ratio, detect touch location；
Second step：When detecting touch location, voltage is applied to upper transparent electrode and lower transparent electrode, makes transparent electrode
Highfield is generated between lower transparent electrode, insulating layer occurs polarization and generates polarization charge, generates corresponding electrostatic field；Quiet
Under the action of electric field, fexible film surface generates charge inducing, and the electrostatic force between polarization charge and charge inducing can make flexibility
Film and lower layer's glass substrate generation actuation effect, that is, generate physics recess, realize that touch-control is fed back.
Preferably, the specific method of the first step is：High frequency ac signal is applied to glass substrate, by being located at glass
The conductive electrode of substrate surrounding leads to fexible film and upper transparent electrode, and charge is uniformly distributed in transparent electrode；Work as finger
When touching on fexible film, one coupled capacitor of formation, from finger contact position formed a very little electric current, this electric current from
It is flowed out in the conductive electrode of surrounding, the electric current for flowing through the conductive electrode of surrounding arrives at a distance from the conductive electrode at touch point at just
Than for controller by being accurately calculated to four current ratios, conversion obtains the position of touch place.
The present invention also provides the detection methods of condenser type tactile feedback display device, and condenser type tactile feedback display device is also
Including：It detects the touch drive circuit of position of touch and feeds back the touch feedback driving electricity of touch-control peripheral position area information
Road, tactile feedback circuit apply corresponding electric signal according to corresponding touch feedback region, this detection method includes the following steps：
The first step：Touch drive circuit detects position of touch information；
Second step：The area information of corresponding touch feedback is fed back to touch feedback by the feedback areas on position of touch periphery
Driving circuit；
Third walks：Touch feedback driving circuit applies corresponding electric signal according to corresponding touch feedback region.
The present invention by be arranged capacitive touch control unit, the feedback unit in each capacitive touch control unit, and
Corresponding electric signal is applied according to corresponding touch feedback region according to touch feedback driving circuit, realizes physics bumps tactile
Feedback.
Description of the drawings
Fig. 1 show the structural schematic diagram of condenser type tactile feedback display device of the present invention；
Fig. 2 is the left view of the touch-control feedback device of condenser type tactile feedback display device shown in Fig. 1；
Fig. 3 is the vertical view of the touch control unit of touch-control feedback device shown in Fig. 2；
Fig. 4 is the vertical view of the feedback unit of touch device shown in Fig. 2；
Fig. 5 is the schematic diagram of the position of touch detection of touch-control feedback device shown in Fig. 2；
Fig. 6 is the structural schematic diagram of the touch-control feedback of touch-control feedback device shown in Fig. 5.
Fig. 7 is the flow chart of the detection method of condenser type tactile feedback display device shown in Fig. 1.
Specific implementation mode
The present invention discloses a kind of condenser type tactile feedback display device, refering to Figure 1, this condenser type touch feedback is aobvious
Showing device 100 includes the display panel 2 positioned at the touch-control feedback device 1 on upper layer and positioned at lower layer.Wherein, display panel 2 is normal
LCD (liquid crystal display), PDP (Plasmia indicating panel), OLED (Organic Light Emitting Diode) etc. have can show figure
The display of picture, display panel 2 are equipped with crisscross scan line (not shown) and data line.
Touch-control feedback device 1 is that capacitance touching control feeds back integrated device, and structure is as shown in Fig. 2, touch-control feedback device 1 wraps
Include touch control unit 11 and feedback unit 12, wherein touch control unit 11 is capacitive touch control unit comprising be located at the touch-control and feed back
The fexible film 111 on 1 surface of device and the upper transparent electrode 112 under the fexible film 111.Feedback unit 12 includes：Position
In the glass substrate 121 on display panel 2, multiple scan lines 122 on the glass substrate 121, it is located at the scan line 122
On insulating layer 123, the multiple data lines 124 crisscross on insulating layer 123 and with multiple scan line 122, be located at
Multiple TFT switches 125 at 124 crisscross place of multiple scan lines 122 and multiple data lines and multiple lower transparent electrodes 126, position
In four conductive electrodes 127 contacted with scan line 122 and data line 124 on glass substrate 121 and by wiring and it is located at
Multiple spacer materials 128 in multiple lower transparent electrodes 126 and for being separated with touch control unit 11.
It will be separated with upper transparent electrode 112 by multiple lower transparent electrodes 126 by spacer material 128.
Wherein, TFT switch 125 includes the grid being connect with scan line 122, the source electrode being connect with data line 124, Yi Jiyu
The drain electrode that lower transparent electrode 126 connects；The material of insulating layer 123 is SiO2Or SiNx；Spacer material 128 is transparent resin material；On
Transparent electrode 112 and lower transparent electrode 129 are made of ITO or graphene or carbon nanotube.
When finger presses fexible film 111, electric current can be calculated from four angular fluxs to finger tip by the ratio of calculating current
Touch location.
It please refers to shown in Fig. 5, high frequency ac signal is applied to glass substrate 121, by positioned at 121 surrounding of glass substrate
Conductive electrode 127 leads to fexible film 111 and upper transparent electrode 112, and charge is uniformly distributed in transparent electrode 112.Work as hand
When referring at the O touched on fexible film 111, the formation one coupled capacitor C, coupled capacitor C are directly leading for alternating current
Body forms the electric current of a very little from finger contact point O, this electric current is flowed out from the conductive electrode 127 of surrounding, flows through four
The electric current of the conductive electrode 127 in week is at the O of touch point to directly proportional, controller (external equipment) at a distance from the conductive electrode 127
By being accurately calculated to four electric current I1, I2, I3, I4 ratios, conversion obtains the position at the O of touch point.
The working method of this condenser type tactile feedback display device, includes the following steps：
The first step：Fexible film 111 is touched, the surrounding of upper transparent electrode 112 flows through the electric current of touch point.Calculate this four
Ratio between electric current detects touch location；
Second step：When detecting touch location, voltage is applied to upper transparent electrode 112 and lower transparent electrode 126, is made
Highfield is generated between prescribed electrode 112 and lower transparent electrode 126, insulating layer 123 occurs polarization and generates polarization charge, and then produces
Raw corresponding electrostatic field；Under the action of electrostatic field, 111 surface of fexible film generates charge inducing, polarization charge and induced electricity
Electrostatic force between lotus can make fexible film 111 generate actuation effect with lower layer's glass substrate 121, that is, generate physics recess, real
Existing touch-control feedback, as shown in Figure 6.
Fig. 7 show the flow chart of touch control detection, and condenser type tactile feedback display device further includes：Detect position of touch
Touch drive circuit and feed back touch-control peripheral position area information touch feedback driving circuit, tactile feedback circuit according to
Corresponding touch feedback region applies corresponding electric signal, this detection method includes the following steps：
The first step：Touch drive circuit detects position of touch information；
Second step：The area information of corresponding touch feedback is fed back to touch feedback by the feedback areas on position of touch periphery
Driving circuit；
Third walks：Touch feedback driving circuit applies corresponding electric signal according to corresponding touch feedback region.
Touch feedback driving circuit applies corresponding electric signal according to corresponding touch feedback region, realizes physics bumps
Touch feedback.
During the preferred embodiment of the present invention has been described above in detail, but present invention is not limited to the embodiments described above
Detail can carry out a variety of equivalents to technical scheme of the present invention within the scope of the technical concept of the present invention, these
Equivalents all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of condenser type tactile feedback display device comprising：Positioned at the touch-control feedback device on upper layer and positioned at the aobvious of lower layer
Show panel；It is characterized in that：The touch-control feedback device includes touch control unit and feedback unit, wherein the touch control unit packet
Include the fexible film positioned at the touch-control feedback device surface and the upper transparent electrode under the fexible film；The feedback unit
Including：Glass substrate on display panel, multiple scan lines on the glass substrate, in multiple scan lines
Insulating layer, is located at multiple scan lines and multiple numbers at the multiple data lines crisscross on insulating layer and with multiple scan lines
According to multiple TFT switches at the crisscross place of line and multiple lower transparent electrodes, it is located on glass substrate and passes through wiring and scan line
It is with four conductive electrodes of data line contact and in multiple lower transparent electrodes and for being separated with the touch control unit
Multiple spacer materials.
2. condenser type tactile feedback display device according to claim 1, it is characterised in that：The upper transparent electrode is whole
Face is laid with, and the spacer material separates each lower transparent electrode and upper transparent electrode.
3. condenser type tactile feedback display device according to claim 1, it is characterised in that：The TFT switch include with
Grid, the source electrode being connect with the data line and the drain electrode being connect with the lower transparent electrode of the scan line connection.
4. condenser type tactile feedback display device according to claim 1, it is characterised in that：The material of the insulating layer is
SiO2Or SiNx。
5. condenser type tactile feedback display device according to claim 1, it is characterised in that：The spacer material is transparent tree
Fat material.
6. condenser type tactile feedback display device according to claim 1, it is characterised in that：The upper transparent electrode is under
Transparent electrode is made of ITO or graphene or carbon nanotube.
7. condenser type tactile feedback display device according to claim 1, it is characterised in that：The display panel is liquid crystal
Display or Plasmia indicating panel or Organic Light Emitting Diode.
8. according to the working method of any condenser type tactile feedback display devices of claim 1-7, it is characterised in that：Packet
Include following steps：
The first step：Fexible film is touched, the surrounding of upper transparent electrode flows through the electric current of touch point, and electric current is respectively from four conductive electricity
Outflow in extremely, calculates the ratio between four electric currents, detects touch location；
Second step：When detecting touch location, voltage is applied to upper transparent electrode and lower transparent electrode, makes transparent electrode under
Highfield is generated between transparent electrode, insulating layer occurs polarization and generates polarization charge, generates corresponding electrostatic field；In electrostatic field
Under the action of, fexible film surface generates charge inducing, and the electrostatic force between polarization charge and charge inducing can make fexible film
With lower layer's glass substrate generation actuation effect, that is, physics recess is generated, realizes that touch-control is fed back.
9. the working method of condenser type tactile feedback display device according to claim 8, it is characterised in that：Described first
The specific method of step is：High frequency ac signal is applied to glass substrate, by being led to positioned at the conductive electrode of glass substrate surrounding
Fexible film and upper transparent electrode, charge are uniformly distributed in transparent electrode；When finger touches on fexible film, formed
One coupled capacitor, forms the electric current of a very little from finger contact position, this electric current is flowed out from the conductive electrode of surrounding, flowed through
To directly proportional at a distance from conductive electrode at touch point, controller passes through to four current ratios the electric current of the conductive electrode of surrounding
Accurately calculate, conversion obtains the position of touch place.
10. according to the detection method of any condenser type tactile feedback display devices of claim 1-7, it is characterised in that：
Condenser type tactile feedback display device further includes：Detect the touch drive circuit and feedback touch-control peripheral position of position of touch
The touch feedback driving circuit of area information, tactile feedback circuit apply corresponding telecommunications according to corresponding touch feedback region
Number, this detection method includes the following steps：
The first step：Touch drive circuit detects position of touch information；
Second step：The area information of corresponding touch feedback is fed back to touch feedback driving by the feedback areas on position of touch periphery
Circuit；
Third walks：Touch feedback driving circuit applies corresponding electric signal according to corresponding touch feedback region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610507226.XA CN106200929B (en) | 2016-06-30 | 2016-06-30 | Condenser type tactile feedback display device, working method and its detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610507226.XA CN106200929B (en) | 2016-06-30 | 2016-06-30 | Condenser type tactile feedback display device, working method and its detection method |
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| CN106200929A CN106200929A (en) | 2016-12-07 |
| CN106200929B true CN106200929B (en) | 2018-10-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106843615B (en) * | 2017-01-03 | 2019-10-01 | 京东方科技集团股份有限公司 | A kind of display screen and display system |
| US10747404B2 (en) * | 2017-10-24 | 2020-08-18 | Microchip Technology Incorporated | Touchscreen including tactile feedback structures and corresponding virtual user interface elements |
| CN108344110A (en) * | 2018-02-11 | 2018-07-31 | 四川虹美智能科技有限公司 | A kind of line control machine, air-conditioner control system and method |
| CN109445635B (en) * | 2018-10-31 | 2022-04-01 | 维沃移动通信有限公司 | Mobile terminal and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382651A (en) * | 2007-09-07 | 2009-03-11 | 群康科技(深圳)有限公司 | Touch control type electric moisten display device, touch control type circuit base board and method for manufacturing same |
| CN103049157A (en) * | 2012-12-14 | 2013-04-17 | 北京京东方光电科技有限公司 | Capacitance type embedded touch screen and display device |
| CN105204687A (en) * | 2015-09-28 | 2015-12-30 | 京东方科技集团股份有限公司 | Tactile feedback elements, touch panel, display device and working method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8593409B1 (en) * | 2008-10-10 | 2013-11-26 | Immersion Corporation | Method and apparatus for providing haptic feedback utilizing multi-actuated waveform phasing |
| CN101907922B (en) * | 2009-06-04 | 2015-02-04 | 新励科技(深圳)有限公司 | Touch and touch control system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382651A (en) * | 2007-09-07 | 2009-03-11 | 群康科技(深圳)有限公司 | Touch control type electric moisten display device, touch control type circuit base board and method for manufacturing same |
| CN103049157A (en) * | 2012-12-14 | 2013-04-17 | 北京京东方光电科技有限公司 | Capacitance type embedded touch screen and display device |
| CN105204687A (en) * | 2015-09-28 | 2015-12-30 | 京东方科技集团股份有限公司 | Tactile feedback elements, touch panel, display device and working method |
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