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CN106200929A - Condenser type sense of touch feedback display device, method of work and detection method thereof - Google Patents

Condenser type sense of touch feedback display device, method of work and detection method thereof Download PDF

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Publication number
CN106200929A
CN106200929A CN201610507226.XA CN201610507226A CN106200929A CN 106200929 A CN106200929 A CN 106200929A CN 201610507226 A CN201610507226 A CN 201610507226A CN 106200929 A CN106200929 A CN 106200929A
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CN
China
Prior art keywords
touch
feedback
transparency electrode
sense
display device
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Granted
Application number
CN201610507226.XA
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Chinese (zh)
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CN106200929B (en
Inventor
王海宏
延威
黄翠
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Nanjing CEC Panda LCD Technology Co Ltd
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Nanjing CEC Panda LCD Technology Co Ltd
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Priority to CN201610507226.XA priority Critical patent/CN106200929B/en
Publication of CN106200929A publication Critical patent/CN106200929A/en
Application granted granted Critical
Publication of CN106200929B publication Critical patent/CN106200929B/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016Input arrangements with force or tactile feedback as computer generated output to the user
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, 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

The present invention provides a kind of condenser type sense of touch feedback display device, method of work and detection method thereof, condenser type sense of touch feedback display device includes: touch-control feedback device and display floater, described touch-control feedback device includes touch control unit and feedback unit, wherein, described touch control unit includes fexible film and upper transparency electrode;Described feedback unit includes: glass substrate, scan line, insulating barrier data wire, TFT switch and lower transparency electrode, four conductive electrodes and chock insulator matter.The present invention is by arranging capacitive touch control unit, being positioned at the feedback unit of this each capacitive touch control unit, and applies the corresponding signal of telecommunication according to sense of touch feedback driving circuit according to corresponding sense of touch feedback areas, it is achieved that the concavo-convex sense of touch of physics is fed back.

Description

Condenser type sense of touch feedback display device, method of work and detection method thereof
Technical field
The invention belongs to touch control detection technical field, particularly relate to a kind of condenser type sense of touch feedback display device, work side Method and detection method thereof.
Technical background
In daily life, sense of touch feedback is widely used in the touch screens such as mobile phone, flat board, photographing unit, brings entirely for us New user's experience and enjoyment, sensation when sense of touch feedback is to utilize electronic technology to carry out simulated touch, user can be helped Utilize their sense of touch, and not only rely on their vision or audition, finally improve the accuracy of text input and make achievement Effect, current sense of touch feedback mainly uses vibration mode, such as mobile phone to be set to calling vibration.Based on above-mentioned background, this patent carries Go out a kind of employing " physics depression " and realize the display device of touch-control feedback.
Summary of the invention
It is an object of the invention to provide a kind of condenser type sense of touch feedback using physics depression to realize touch-control feedback aobvious Showing device, method of work and detection method thereof.
The present invention provides a kind of condenser type sense of touch feedback display device, comprising: be positioned at upper strata touch-control feedback device and It is positioned at the display floater of lower floor;Described touch-control feedback device includes touch control unit and feedback unit, wherein, described touch control unit bag Include the fexible film being positioned at this touch-control feedback device surface and the upper transparency electrode being positioned under this fexible film;Described feedback unit Including: the glass substrate being positioned on display floater, the multiple scan lines being positioned on this glass substrate, be positioned in this scan line exhausted Edge layer, it is positioned on insulating barrier and the multiple data wires crisscross with the plurality of scan line, is positioned at multiple scan line and many numbers According to the crisscross place of line multiple TFT switch and multiple lower transparency electrode, be positioned on glass substrate and by distribution and scan line With the four of data line contact conductive electrodes and be positioned in multiple lower transparency electrode and for separating with described touch control unit Multiple chock insulator matters.
Preferably, described upper transparency electrode is whole laying, and described chock insulator matter separates each lower transparency electrode and upper transparent Electrode.
Preferably, described TFT switch include source electrode that the grid being connected with described scan line is connected with described data wire, And the drain electrode being connected with described lower transparency electrode.
Preferably, the material of described insulating barrier is SiO2Or SiNx
Preferably, described chock insulator matter is transparent resin material.
Preferably, described upper transparency electrode and lower transparency electrode are made by ITO or Graphene or CNT.
Preferably, described display floater is liquid crystal display or Plasmia indicating panel or organic light-emitting diodes Pipe.
The present invention also provides for the method for work of a kind of condenser type sense of touch feedback display device, comprises the steps:
The first step: touch fexible film, the surrounding of upper transparency electrode flows through the electric current of touch point, calculate these four electric currents it Between ratio, detect touch location;
Second step: when touch location being detected, applies voltage to upper transparency electrode and lower transparency electrode, makes transparency electrode And between lower transparency electrode, producing highfield, insulating barrier occurs polarization to produce polarization charge, produces corresponding electrostatic field;Quiet Under the effect of electric field, fexible film surface produces charge inducing, and the electrostatic force between polarization charge and charge inducing can make flexibility Thin film and lower floor's glass substrate generation adhesive effect, i.e. produce physics depression, it is achieved touch-control feeds back.
Preferably, the described first step method particularly includes: glass substrate is applied high frequency ac signal, by being positioned at glass The conductive electrode of substrate surrounding causes fexible film and upper transparency electrode, and electric charge is uniformly distributed in transparency electrode;Work as finger When touching on fexible film, this formation one couples electric capacity, from finger contact position formed a electric current the least, this electric current from Flowing out in the conductive electrode of surrounding, the electric current of the conductive electrode flowing through surrounding just becomes with distance to this conductive electrode at touch point Ratio, controller is by the accurate calculating to four current ratios, and conversion draws the position of touch place.
The present invention also provides for the detection method of condenser type sense of touch feedback display device, and condenser type sense of touch feedback display device is also Including: the touch drive circuit of detection position of touch and the sense of touch feedback of feedback touch-control peripheral position area information drive electricity Road, tactile feedback circuit applies the corresponding signal of telecommunication according to corresponding sense of touch feedback areas, and this detection method comprises the steps:
The first step: touch drive circuit detection position of touch information;
Second step: the area information that corresponding sense of touch is fed back is fed back to sense of touch feedback by the feedback areas of position of touch periphery Drive circuit;
3rd step: sense of touch feedback driving circuit applies the corresponding signal of telecommunication according to corresponding sense of touch feedback areas.
The present invention by arranging capacitive touch control unit, being positioned at the feedback unit of this each capacitive touch control unit, and The corresponding signal of telecommunication is applied according to corresponding sense of touch feedback areas, it is achieved that the concavo-convex sense of touch of physics according to sense of touch feedback driving circuit Feedback.
Accompanying drawing explanation
Fig. 1 show the structural representation of condenser type sense of touch feedback display device of the present invention;
Fig. 2 is the left view of the touch-control feedback device of condenser type sense of touch feedback display device shown in Fig. 1;
Fig. 3 is the top view of the touch control unit of touch-control feedback device shown in Fig. 2;
Fig. 4 is the top view of the feedback unit of contactor control 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 representation 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 sense of touch feedback display device shown in Fig. 1.
Detailed description of the invention
The present invention discloses a kind of condenser type sense of touch feedback display device, refers to shown in Fig. 1, and this condenser type sense of touch feedback is aobvious Showing device 100 includes the touch-control feedback device 1 being positioned at upper strata and is positioned at the display floater 2 of lower floor.Wherein, display floater 2 is normal LCD (liquid crystal display), PDP (Plasmia indicating panel), OLED (Organic Light Emitting Diode) etc. have and can show figure The display of picture, display floater 2 is provided with crisscross scan line (not shown) and data wire.
Touch-control feedback device 1 feeds back integrated device for capacitance touching control, and its structure is as in figure 2 it is shown, touch-control feedback device 1 wraps Including touch control unit 11 and feedback unit 12, wherein, touch control unit 11 is capacitive touch control unit, and it includes being positioned at this touch-control feedback The fexible film 111 on device 1 surface and the upper transparency electrode 112 being positioned under this fexible film 111.Feedback unit 12 includes: position Glass substrate 121, the multiple scan lines 122 being positioned on this glass substrate 121 on display floater 2, it is positioned at this scan line 122 On insulating barrier 123, be positioned on insulating barrier 123 and the multiple data wires 124 crisscross with the plurality of scan line 122, be positioned at Multiple scan lines 122 and multiple TFT switch 125 at the crisscross place of multiple data wire 124 and multiple lower transparency electrode 126, position Four conductive electrodes 127 contacting with scan line 122 and data wire 124 on glass substrate 121 and by distribution and being positioned at In multiple lower transparency electrodes 126 and for multiple chock insulator matters 128 of separating with touch control unit 11.
To be separated with upper transparency electrode 112 by multiple lower transparency electrodes 126 by chock insulator matter 128.
Wherein, TFT switch 125 includes source electrode, the Yi Jiyu that the grid being connected with scan line 122 is connected with data wire 124 The drain electrode that lower transparency electrode 126 connects;The material of insulating barrier 123 is SiO2Or SiNx;Chock insulator matter 128 is transparent resin material;On Transparency electrode 112 and lower transparency electrode 129 are made by ITO or Graphene or CNT.
During finger pressing fexible film 111, electric current can be calculated from four angular fluxs to finger tip by the ratio of calculating current Touch location.
Refer to shown in Fig. 5, glass substrate 121 is applied high frequency ac signal, by being positioned at glass substrate 121 surrounding Conductive electrode 127 causes fexible film 111 and upper transparency electrode 112, and electric charge is uniformly distributed in transparency electrode 112.Work as hands When referring to touch at the O on fexible film 111, this formation one couples electric capacity C, and this coupling electric capacity C is directly leading of alternating current Body, forms a electric current the least at finger contact point O, and this electric current flows out from the conductive electrode 127 of surrounding, flows through four The electric current of the conductive electrode 127 in week is directly proportional to distance to this conductive electrode 127 at the O of touch point, controller (external equipment) By the accurate calculating to four electric current I1, I2, I3, I4 ratios, conversion draws the position at the O of touch point.
The method of work of this condenser type sense of touch feedback display device, comprises the steps:
The first step: touching fexible film 111, the surrounding of upper transparency electrode 112 flows through the electric current of touch point.Calculate these four Ratio between electric current, detects touch location;
Second step: when touch location being detected, applies voltage to upper transparency electrode 112 and lower transparency electrode 126, makes Producing highfield between prescribed electrode 112 and lower transparency electrode 126, insulating barrier 123 occurs polarization to produce polarization charge, and then produces Raw corresponding electrostatic field;Under the effect of electrostatic field, fexible film 111 surface produces charge inducing, polarization charge and faradism Electrostatic force between lotus can make fexible film 111 and lower floor's glass substrate 121 produce adhesive effect, i.e. produces physics depression, real Existing touch-control feedback, as shown in Figure 6.
Fig. 7 show the flow chart of touch control detection, and condenser type sense of touch feedback display device also includes: detection position of touch Touch drive circuit and feedback touch-control peripheral position area information sense of touch feedback driving circuit, tactile feedback circuit according to Corresponding sense of touch feedback areas applies the corresponding signal of telecommunication, and this detection method comprises the steps:
The first step: touch drive circuit detection position of touch information;
Second step: the area information that corresponding sense of touch is fed back is fed back to sense of touch feedback by the feedback areas of position of touch periphery Drive circuit;
3rd step: sense of touch feedback driving circuit applies the corresponding signal of telecommunication according to corresponding sense of touch feedback areas.
Sense of touch feedback driving circuit applies the corresponding signal of telecommunication according to corresponding sense of touch feedback areas, it is achieved that physics is concavo-convex Sense of touch is fed back.
The preferred embodiment of the present invention described in detail above, but the present invention is not limited in above-mentioned embodiment Detail, in the technology concept of the present invention, can carry out multiple equivalents to technical scheme, these Equivalents belongs to protection scope of the present invention.

Claims (10)

1. a condenser type sense of touch feedback display device, comprising: be positioned at the touch-control feedback device on upper strata and be positioned at the aobvious of lower floor Show panel;It is characterized in that: described touch-control feedback device includes touch control unit and feedback unit, wherein, described touch control unit bag Include the fexible film being positioned at this touch-control feedback device surface and the upper transparency electrode being positioned under this fexible film;Described feedback unit Including: the glass substrate being positioned on display floater, the multiple scan lines being positioned on this glass substrate, be positioned in this scan line exhausted Edge layer, it is positioned on insulating barrier and the multiple data wires crisscross with the plurality of scan line, is positioned at multiple scan line and many numbers According to the crisscross place of line multiple TFT switch and multiple lower transparency electrode, be positioned on glass substrate and by distribution and scan line With the four of data line contact conductive electrodes and be positioned in multiple lower transparency electrode and for separating with described touch control unit Multiple chock insulator matters.
Condenser type sense of touch feedback display device the most according to claim 1, it is characterised in that: described upper transparency electrode is whole Face is laid, and described chock insulator matter separates each lower transparency electrode and upper transparency electrode.
Condenser type sense of touch feedback display device the most according to claim 1, it is characterised in that: described TFT switch include with The source electrode that is connected with described data wire of grid that described scan line connects and the drain electrode being connected with described lower transparency electrode.
Condenser type sense of touch feedback display device the most according to claim 1, it is characterised in that: the material of described insulating barrier is SiO2Or SiNx
Condenser type sense of touch feedback display device the most according to claim 1, it is characterised in that: described chock insulator matter is transparent tree Fat material.
Condenser type sense of touch feedback display device the most according to claim 1, it is characterised in that: described upper transparency electrode and under Transparency electrode is made by ITO or Graphene or CNT.
Condenser type sense of touch feedback display device the most according to claim 1, it is characterised in that: described display floater is liquid crystal Display or Plasmia indicating panel or Organic Light Emitting Diode.
8. according to the method for work of the arbitrary described condenser type sense of touch feedback display device of claim 1-7, it is characterised in that: bag Include following steps:
The first step: touching fexible film, the surrounding of upper transparency electrode flows through the electric current of touch point, calculates between these four electric currents Ratio, detects touch location;
Second step: when touch location being detected, applies voltage to upper transparency electrode and lower transparency electrode, make transparency electrode and under Producing highfield between transparency electrode, insulating barrier occurs polarization to produce polarization charge, produces corresponding electrostatic field;At electrostatic field Effect under, fexible film surface produce charge inducing, the electrostatic force between polarization charge and charge inducing can make fexible film With lower floor's glass substrate generation adhesive effect, i.e. produce physics depression, it is achieved touch-control feeds back.
The method of work of condenser type sense of touch feedback display device the most according to claim 8, it is characterised in that: described first Step method particularly includes: glass substrate is applied high frequency ac signal, causes by being positioned at the conductive electrode of glass substrate surrounding Fexible film and upper transparency electrode, electric charge is uniformly distributed in transparency electrode;When finger touches on fexible film, this shape Becoming a coupling electric capacity, form a electric current the least from finger contact position, this electric current flows out from the conductive electrode of surrounding, stream Being directly proportional to distance to this conductive electrode at touch point through the electric current of the conductive electrode of surrounding, controller is by four electric currents The accurate calculating of ratio, conversion draws the position of touch place.
10. according to the detection method of the arbitrary described condenser type sense of touch feedback display device of claim 1-7, it is characterised in that: Condenser type sense of touch feedback display device also includes: the touch drive circuit of detection position of touch and feedback touch-control peripheral position The sense of touch feedback driving circuit of area information, tactile feedback circuit applies corresponding telecommunications according to corresponding sense of touch feedback areas Number, this detection method comprises the steps:
The first step: touch drive circuit detection position of touch information;
Second step: the area information that corresponding sense of touch is fed back is fed back to sense of touch feedback and drives by the feedback areas of position of touch periphery Circuit;
3rd step: sense of touch feedback driving circuit applies the corresponding signal of telecommunication according to corresponding sense of touch feedback areas.
CN201610507226.XA 2016-06-30 2016-06-30 Condenser type tactile feedback display device, working method and its detection method Expired - Fee Related CN106200929B (en)

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Cited By (4)

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CN106843615A (en) * 2017-01-03 2017-06-13 京东方科技集团股份有限公司 A kind of display screen and display system
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
CN109445635A (en) * 2018-10-31 2019-03-08 维沃移动通信有限公司 A kind of mobile terminal and its control method
TWI787372B (en) * 2017-10-24 2022-12-21 美商微晶片科技公司 Touchscreen system, user interface system, and method of creating instructions on computer-readable media

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US20140071079A1 (en) * 2008-10-10 2014-03-13 Immersion Corporation Method and apparatus for providing haptic feedback utilizing multi-actuated waveform phasing
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106843615A (en) * 2017-01-03 2017-06-13 京东方科技集团股份有限公司 A kind of display screen and display system
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TWI787372B (en) * 2017-10-24 2022-12-21 美商微晶片科技公司 Touchscreen system, user interface system, and method of creating instructions on computer-readable media
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
CN109445635A (en) * 2018-10-31 2019-03-08 维沃移动通信有限公司 A kind of mobile terminal and its control method

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