CN109669571A - Touch panel and electronic device - Google Patents
Touch panel and electronic device Download PDFInfo
- Publication number
- CN109669571A CN109669571A CN201811521303.2A CN201811521303A CN109669571A CN 109669571 A CN109669571 A CN 109669571A CN 201811521303 A CN201811521303 A CN 201811521303A CN 109669571 A CN109669571 A CN 109669571A
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- Prior art keywords
- electrode
- touch
- touch panel
- branch
- control
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Classifications
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
Landscapes
- 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)
Abstract
The invention proposes a kind of touch panel and electronic device, the touch panel includes substrate and touch control layer；The touch control layer includes electrode unit, including first electrode and second electrode；The deformation quantity of the resistance value of the first electrode or/and the second electrode and the touch panel is in correlativity.The application measures the deformation quantity of touch panel by the resistance change of first electrode, to realize pressure sensitive function；Second electrode and first electrode form capacitance structure, the touch control operation for determining user can be changed based on capacitor, it realizes simultaneously and touches touch-control and pressure touch, solve and need to increase the technical issues of pressure sensitive layer is just able to achieve pressure sensitive function existing for existing terminal；Meanwhile the setting of touch-control lead, the distance of frame is prevented take up, narrow frame design is realized.
Description
Technical field
The present invention relates to touch-control field more particularly to a kind of touch panels and electronic device.
Background technique
As mobile phone technique develops, the functions such as the terminals such as mobile phone class product support touch-control and pressure sensitive.
In the prior art, it in order to realize touch-control and pressure sensitive function, needs to be arranged touch control layer in terminal and realizes touching
Function is controlled, setting pressure sensitive layer is realized that pressure sensitive function, this mode need terminal to increase independent pressure sensitive layer, increased
Product thickness is added.
I.e. existing terminal there is technical issues that needing to increase pressure sensitive layer is just able to achieve pressure sensitive.
Summary of the invention
The present invention provides a kind of touch panel and electronic device, to solve to need existing for existing terminal to increase pressure sensitive
The technical issues of layer is just able to achieve pressure sensitive function.
To solve the above problems, technical solution provided by the invention is as follows:
The present invention provides a kind of touch panel comprising:
Substrate；
Touch control layer on the substrate, the touch control layer include at least two electrode units, adjacent two electrode
Unit insulation set,
The electrode unit includes:
First electrode on the substrate；
Second electrode on the substrate, the first electrode and the second electrode insulation set；
The resistance value of the first electrode or/and the second electrode is closed to the deformation quantity of the touch panel in related
System.
In the touch panel of the application, the first electrode includes at least one first branch, the electricity of first branch
Resistance value and the deformation quantity of the touch panel are positively correlated.
In the touch panel of the application, the second electrode includes at least one second branch, the electricity of second branch
Resistance value and the deformation quantity of the touch panel are positively correlated.
In the touch panel of the application, second branch or/and described first branches into hollow conductor and be formed by
Galvanic circle, and interlaced helical shape is arranged.
In the touch panel of the application, first branch and second branch are on the touch panel surface
Orthographic projection is not overlapped.
In the touch panel of the application, the touch control layer include at least two be in array distribution electrode unit；
The frontal projected area on the touch panel surface of the electrode unit in a first direction is equal；
The frontal projected area on the touch panel surface of the electrode unit in a second direction is gradually reduced
Or increase.
In the touch panel of the application, the electrode unit is also included at least:
First touch-control lead, is electrically connected with the first electrode；
Second touch-control lead, is electrically connected with the second electrode；
It the first touch-control lead of each electrode unit and the second touch-control lead wire insulation and is arranged in parallel.
In the touch panel of the application, the first electrode, the second electrode, the first touch-control lead and described
The setting of second touch-control lead same layer.
In the touch panel of the application, the first electrode is one of induction electrode and driving electrodes, described the
Two electrodes are the another one different from the first electrode.
The invention also provides a kind of electronic devices, wherein the electronic device includes above-mentioned touch panel.
The utility model has the advantages that the application measures the deformation quantity of touch panel by the resistance change of first electrode, thus real
Existing pressure sensitive function；Second electrode and first electrode form capacitance structure, and the touch-control for determining user can be changed based on capacitor
Operation, while realizing and touching touch-control and pressure touch solve and need to increase pressure sensitive layer ability existing for existing terminal in fact
The technical issues of existing pressure sensitive function；Meanwhile the setting of touch-control lead, the distance of frame is prevented take up, narrow frame is realized and sets
Meter.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structure chart of the application touch control layer；
Fig. 2 is the structure chart of electrode unit in the application touch panel.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
Referring to Fig. 1, Fig. 1 is the structure chart of the application touch control layer.
The touch panel includes:
Substrate (not shown), the substrate can be electro-conductive glass.
Touch control layer 100 on the substrate, the touch control layer 100 include multiple electrodes unit 10.The electrode list
With 2 or more, particular number the application is not construed as limiting member 10.
In one embodiment, adjacent two 10 insulation set of electrode unit.
In one embodiment, the electrode unit 10 is in array distribution in the touch control layer 100.
Referring to Fig. 1, the application is illustrated with 3X3 in the electrode unit 10 of array distribution.
The touch control layer 100 includes 9 electrode units 10 in array distribution.
In one embodiment, in a first direction, positive throwing of the electrode unit 10 on the touch panel surface
Shadow area equation.
In one embodiment, in a second direction, positive throwing of the electrode unit 10 on the touch panel surface
Shadow area is gradually reduced or increases.In the present embodiment, on electrode unit 10 to the direction of touch chip 30, the electrode unit
10 frontal projected area on the touch panel surface is gradually reduced.
In one embodiment, the first direction is horizontal direction, and the second direction is vertical direction.
The touch control layer 100 further includes touch-control lead 20.
In one embodiment, the touch-control lead 20 is electrically connected with the electrode unit 10.The electrode unit 10 is logical
It crosses the touch-control lead 20 to be electrically connected with the touch chip 30, carries out signal transmission.
In one embodiment, a touch-control lead 20 is corresponding with an electrical connection of electrode unit 10.
The touch-control lead of the application can be directly arranged at below electrode unit, prevented take up the distance of frame, realized narrow
Frame design.
Referring to Fig. 2, Fig. 2 is the structure chart of electrode unit 10 in the application touch panel.
The electrode unit 10 includes:
First electrode 101 on the substrate.
Second electrode 102 on the substrate.
In one embodiment, the first electrode 101 and 102 insulation set of second electrode.
In one embodiment, the first electrode 101 forms capacitance structure with the second electrode 102.The application can
The touching of user is determined with the capacitance variations of the capacitance structure formed based on the first electrode 101 with the second electrode 102
Control operation.
In one embodiment, the resistance value of the first electrode 101 or/and the second electrode 102 and the touch-control
The deformation quantity of panel is in correlativity.
In one embodiment, correlativity includes positive correlation and negative correlation, is positively correlated the shape for referring to the touch panel
Variable is bigger, and the resistance of the first electrode 101 or/and the second electrode 102 is bigger.Negative correlation refers to the touch panel
Deformation quantity it is bigger, the resistance of the first electrode 101 or/and the second electrode 102 is smaller, both correlativities all may be used
To realize pressure sensitive function.
Referring to Fig. 2, the first electrode 101 includes the deformation of at least one first branch 1010 value and the touch panel
Amount is positively correlated.
In one embodiment, first branch 1010 can be formed by galvanic circle for hollow conductor.
In one embodiment, the convolution of the first branch 1010 setting.
The second electrode 102 further includes the deformation of at least resistance value of 1020, one second branch and the touch panel
Amount is positively correlated.
In one embodiment, second branch 1020 can be formed by galvanic circle for middle conduct line, can also be with
For entity conducting wire.Second branch 1020 in the present embodiment is entity conducting wire.
In one embodiment, the convolution of the second branch 1020 setting.
In one embodiment, first branch 1010 and the setting of second branch, 1020 interlaced helical shape.
In one embodiment, first branch 1010 and second branch 1020 can for straight line, camber line or
The combination settings of various shapes.
In one embodiment, first branch 1010 is with second branch 1020 on the touch panel surface
Orthographic projection be not overlapped.
Referring to Fig. 2, the touch-control lead 20 for connecting the electrode unit 10 includes two 201 institutes of the first touch-control lead
202 first touch-control lead 201 of the second touch-control lead is stated to be electrically connected with two first branches 1010 in the first electrode 101
It connects, the second touch-control lead 202 is electrically connected with second branch 1020 in the second electrode 102.
In one embodiment, the first touch-control lead 201 and second touch-control of each electrode unit 10
Lead 202 insulate and is arranged in parallel.
In one embodiment, the first electrode 101, the second electrode 102, the first touch-control lead 201 and
Second touch-control lead, the 202 same layer setting.
On the basis of Fig. 2, the application further include:
The first electrode 101 is located at different film layers from the second electrode 102.The first electrode 101 and described the
Insulating layer is provided between two electrodes 102.This programme is not unfolded specifically in the description.
The first electrode 101 is one of induction electrode and driving electrodes, and the second electrode 102 is different from institute
State the another one of first electrode 101.
In one embodiment, the first electrode 101 and the second electrode 102 are transparent metal.
The application is described further now in conjunction with concrete application scene.
Fig. 1 and Fig. 2 are please referred to, the touch control layer 100 has the patterned processing of a metal layer, forms the electricity in array distribution
Pole unit 10.Each electrode unit 10 includes first electrode 101 and second electrode 102.The first electrode 101 is induction
Electrode, the second electrode 102 are driving electrodes.
Driving electrodes and induction electrode mutually entwine to form helical form.Between driving electrodes and induction electrode by insulating layer every
It opens, for the touching signals machine pressure signal for accurately identifying finger.
Capacitor is formed between driving electrodes and induction electrode, to realize touch function.When by external world's induction, driving electricity
Capacitor is formed between pole and induction electrode.When finger close to when, capacitance changes, and can accurately be detected according to capacitance variations
To finger position
Each induction electrode is hollow design, to form galvanic circle.When by extraneous finger pressure, induction
Strain effect occurs for electrode, and impedance changes, and detects finger pressure size according to impedance variation amount.
The pressure sensitive function operation realization principle of the present embodiment are as follows:
When finger contact screen, mutual capacitance type touch function partial feedback coordinate points position, pressure sensitive touch function portion
Divide feedback pressure size, may detect that the coordinate and pressure size signal of touch point in conjunction with the two feedback signal.
When finger presses screen, electrode unit impedance changes, and pressure sensitive function is activated, and mutual capacitance type touch-control enters
Dormant state can determine the size of pressure in conjunction with the variable quantity of induction electrode impedance.
According to a further aspect of the invention, a kind of electronic device is additionally provided, the electronic device includes the touch-control
Panel；The electronic device includes but is not limited to mobile phone, tablet computer, computer display, game machine, television set, display
Screen, wearable device and other living electric apparatus or household electrical appliance having a display function etc..
The working principle of the electronic device is similar to the working principle of the touch panel, can specifically refer to the touching
The working principle for controlling substrate, is not described herein.
The invention proposes a kind of touch panel and electronic device, the touch panel includes substrate and touch control layer；It is described
Touch control layer includes electrode unit, including first electrode and second electrode；The resistance of the first electrode or/and the second electrode
The deformation quantity of value and the touch panel is in correlativity.The application measures touch surface by the resistance change of first electrode
The deformation quantity of plate, to realize pressure sensitive function；Second electrode and first electrode form capacitance structure, can be become based on capacitor
The dynamic touch control operation for determining user, while realizing and touching touch-control and pressure touch solve and need to increase existing for existing terminal
Pressure sensitive layer is just able to achieve the technical issues of pressure sensitive function；Meanwhile the setting of touch-control lead, prevent take up frame away from
From realizing narrow frame design.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of touch panel characterized by comprising
Substrate；
Touch control layer on the substrate, the touch control layer include at least two electrode units, adjacent two electrode unit
Insulation set,
The electrode unit includes:
First electrode on the substrate；
Second electrode on the substrate, the first electrode and the second electrode insulation set；
The deformation quantity of the resistance value of the first electrode or/and the second electrode and the touch panel is in correlativity.
2. touch panel according to claim 1, which is characterized in that the first electrode includes at least one first branch,
The resistance value of first branch and the deformation quantity of the touch panel are positively correlated.
3. touch panel according to claim 2, which is characterized in that the second electrode includes at least one second branch,
The resistance value of second branch and the deformation quantity of the touch panel are positively correlated.
4. touch panel according to claim 3, which is characterized in that second branch or/and described first branch into
Hollow conductor is formed by galvanic circle, and interlaced helical shape is arranged.
5. touch panel according to claim 3, which is characterized in that first branch is with second branch described
Orthographic projection on touch panel surface is not overlapped.
6. touch panel according to claim 1, which is characterized in that it is in array distribution that the touch control layer, which includes at least two,
Electrode unit；
In a first direction, frontal projected area of the electrode unit on the touch panel surface is equal；
In a second direction, frontal projected area of the electrode unit on the touch panel surface is gradually reduced or increases.
7. touch panel according to claim 1, which is characterized in that the electrode unit also includes at least:
First touch-control lead, is electrically connected with the first electrode；
Second touch-control lead, is electrically connected with the second electrode；
It the first touch-control lead of each electrode unit and the second touch-control lead wire insulation and is arranged in parallel.
8. touch panel according to claim 7, which is characterized in that the first electrode, the second electrode, described
One touch-control lead and the second touch-control lead same layer setting.
9. touch panel according to claim 1, which is characterized in that the first electrode is induction electrode and driving electrodes
One of, the second electrode is the another one different from the first electrode.
10. a kind of electronic device, which is characterized in that including the touch panel as described in claim 1~9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811521303.2A CN109669571B (en) | 2018-12-12 | 2018-12-12 | Touch panel and electronic device |
| PCT/CN2019/071553 WO2020118837A1 (en) | 2018-12-12 | 2019-01-14 | Touch control panel and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811521303.2A CN109669571B (en) | 2018-12-12 | 2018-12-12 | Touch panel and electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109669571A true CN109669571A (en) | 2019-04-23 |
| CN109669571B CN109669571B (en) | 2020-11-24 |
Family
ID=66144312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811521303.2A Active CN109669571B (en) | 2018-12-12 | 2018-12-12 | Touch panel and electronic device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109669571B (en) |
| WO (1) | WO2020118837A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196655A (en) * | 2019-05-14 | 2019-09-03 | 武汉华星光电半导体显示技术有限公司 | Pressure-sensing touch screen and input unit comprising it |
| CN110825260A (en) * | 2019-10-12 | 2020-02-21 | 武汉华星光电半导体显示技术有限公司 | Touch display device |
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| CN104699312A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Display panel with touch screen and electronic equipment |
| CN107526485A (en) * | 2016-06-21 | 2017-12-29 | 三星显示有限公司 | Electronic equipment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110196655A (en) * | 2019-05-14 | 2019-09-03 | 武汉华星光电半导体显示技术有限公司 | Pressure-sensing touch screen and input unit comprising it |
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| US11216134B2 (en) | 2019-05-14 | 2022-01-04 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Pressure sensing touch screen and input device having the same |
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| CN110825260A (en) * | 2019-10-12 | 2020-02-21 | 武汉华星光电半导体显示技术有限公司 | Touch display device |
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| US11435854B2 (en) | 2019-10-12 | 2022-09-06 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Touch display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109669571B (en) | 2020-11-24 |
| WO2020118837A1 (en) | 2020-06-18 |
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