CN109343751A - A kind of mobile terminal and driving method - Google Patents
A kind of mobile terminal and driving method Download PDFInfo
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- CN109343751A CN109343751A CN201810969424.7A CN201810969424A CN109343751A CN 109343751 A CN109343751 A CN 109343751A CN 201810969424 A CN201810969424 A CN 201810969424A CN 109343751 A CN109343751 A CN 109343751A
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- touch
- conductor lines
- control
- sensing unit
- control sensing
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- 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
- G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
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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)
Abstract
The embodiment of the invention discloses a kind of mobile terminal and driving methods, are related to field of communication technology, to solve the problems, such as that the liquid for the fringe region for being attached to capacitance type touch control screen can reduce the accuracy rate of the touch input of mobile terminal identification user.The mobile terminal includes touch screen and control module, which includes conductor lines and multiple touch-control sensing units；Control module, for the touch-control scan phase in the scan period of the touch screen, each touch-control sensing unit input drive signal into the conductor lines and multiple touch-control sensing unit, the driving signal of a touch-control sensing unit are used to drive the touch input of a touch-control sensing unit induction user；Wherein, after inputting the driving signal to the conductor lines and each touch-control sensing unit, the potential difference between conductor lines and each touch-control sensing unit is 0.The mobile terminal can be applied in the scene of the touch input of identification user.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of mobile terminals and driving method.
Background technique
With the development of communication technology, capacitance type touch control screen in the terminal using more and more extensive, and be attached to
Liquid on capacitance type touch control screen may result in the touch input that liquid is mistakenly identified as user by mobile terminal.
Currently, synchronized signal can be inputted on each capacitive sensing device of capacitance type touch control screen, it is above-mentioned to solve
Misrecognition problem.For example, as shown in Figure 1, when liquid 10 simultaneously be attached on two capacitive sensing devices 11 when, due to two electricity
The potential difference held between inductor 11 is 0, therefore capacitance change will not be generated between two capacitive sensing devices 11, thus mobile
Liquid will not be mistakenly identified as the touch input of user by terminal.
But due in order to solve Electro-static Driven Comb (electro static discharge, ESD) problem, it will usually
The one circle ground wire of fringe region setting of capacitance type touch control screen, therefore when liquid adheres to edge region, ground wire and capacitive sensing
The transfer (may generate potential difference between ground wire and capacitive sensing device) of charge may occur between device, so as to cause shifting
Liquid is mistakenly identified as the touch input of user by dynamic terminal, thereby reduces the accurate of the touch input of mobile terminal identification user
Rate.
Summary of the invention
The embodiment of the present invention provides a kind of mobile terminal and driving method, to solve to be attached to the edge of capacitance type touch control screen
The liquid in region can reduce the problem of accuracy rate of the touch input of mobile terminal identification user.
In order to solve the above-mentioned technical problem, the embodiments of the present invention are implemented as follows:
In a first aspect, the mobile terminal includes touch screen and control mould the embodiment of the invention provides a kind of mobile terminal
Block, the touch screen include conductor lines and multiple touch-control sensing units.Control module, in the scan period of the touch screen
Touch-control scan phase, each touch-control sensing unit input drive signal into the conductor lines and multiple touch-control sensing unit,
The driving signal of one touch-control sensing unit is used to drive the touch input of a touch-control sensing unit induction user；Wherein,
After inputting the driving signal to the conductor lines and each touch-control sensing unit, conductor lines and each touch-control sensing unit
Between potential difference be 0.
Second aspect, the embodiment of the invention provides a kind of driving methods, are applied to mobile terminal, which includes
Touch screen, the touch screen include conductor lines and multiple touch-control sensing units, this method comprises: in the scan period of the touch screen
Touch-control scan phase, into the conductor lines and multiple touch-control sensing unit each touch-control sensing unit input driving letter
Number, the driving signal of a touch-control sensing unit is used to drive the touch input of a touch-control sensing unit induction user；Its
In, after inputting the driving signal to the conductor lines and each touch-control sensing unit, the conductor lines and each touch-control sense
Answering the potential difference between unit is 0.
In embodiments of the present invention, mobile terminal may include touch screen and control module, which may include leading
Body line and multiple touch-control sensing units；Control module, for the touch-control scan phase in the scan period of the touch screen, to this
Each touch-control sensing unit input drive signal in conductor lines and multiple touch-control sensing unit, touch-control sensing unit
Driving signal is used to drive the touch input of a touch-control sensing unit induction user；Wherein, every with this to the conductor lines
A touch-control sensing unit inputs after the driving signal, and the potential difference between conductor lines and each touch-control sensing unit is 0.It is logical
The program is crossed, due to the touch-control scan phase in the scan period of touch screen, to conductor lines and each touch-control sensing unit
After input drive signal, the potential difference between the conductor lines and each touch-control sensing unit is 0, therefore when liquid is attached to
When on the conductor lines and certain touch-control sensing unit, in the conductor lines and certain touch-control sensing unit between potential difference be still 0, that is, lead
The transfer of charge will not occur between body line and each touch-control sensing unit, so that liquid will not be mistakenly identified as using by mobile terminal
The touch input at family, and then improve the accuracy rate of the touch input of mobile terminal identification user.
Detailed description of the invention
Fig. 1 is the signal for preventing from for liquid being mistakenly identified as touch input using synchronized signal that the prior art provides
Figure；
Fig. 2 is a kind of schematic diagram of mobile terminal provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of touch-control sensing unit provided in an embodiment of the present invention；
Fig. 4 is a kind of one of schematic diagram of touch screen provided in an embodiment of the present invention；
Fig. 5 is the two of a kind of schematic diagram of touch screen provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram provided in an embodiment of the present invention to conductor lines input drive signal；
Fig. 7 is a kind of one of schematic diagram of driving method provided in an embodiment of the present invention；
Fig. 8 is the two of a kind of schematic diagram of driving method provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Symbol "/" herein indicates that affiliated partner is relationship such as A/B expression A or B perhaps.
Term " first " and " second " in description and claims of this specification etc. are for distinguishing different pairs
As, rather than it is used for the particular order of description object.For example, the first conductor lines and the second conductor lines etc. are different for distinguishing
Conductor lines, rather than the particular order for describing conductor lines.
In embodiments of the present invention, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This
Be described as in inventive embodiments " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing
Other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport
Related notion is being presented in specific ways.
In the description of the embodiment of the present invention, unless otherwise indicated, the meaning of " plurality " is refer to two or more,
For example, multiple touch-control sensing units refer to two or more touch-control sensing unit, multiple induction tandems refer to two
Or more than two induction tandems.
Some term/nouns involved in the embodiment of the present invention are explained below.
ESD: refer to a kind of natural phenomena of the generation electrostatic of objective reality.It should be noted that in the embodiment of the present invention
Electrostatic can be electrostatic (such as static electricity on human body or frictional static etc.) that may be present in all natures.
Pulse signal: refer to discontinuous on a timeline and have periodic signal.
Capacitance type touch control screen: abbreviation capacitance plate refers to a kind of particulate metal by sticking layer of transparent in glass surface
The touch screen of conductive materials.Specifically, when two layers of electrical conductivity substance of capacitance type touch control screen is not touched and is close to each other, two
Electric field between layer electrical conductivity substance will interact to form capacitor.Since finger is electrical conductor, when finger touches
When on metal layer, a very small capacitor just will form between the electrode circuit and finger of touch screen, so that with the capacitor phase
Oscillator frequency even changes, and such mobile terminal can determine touch location by measurement frequency variation.
The embodiment of the present invention provides a kind of mobile terminal and driving method, and mobile terminal may include touch screen and control mould
Block, the touch screen may include conductor lines and multiple touch-control sensing units；Control module, for the scan period in the touch screen
In touch-control scan phase, into the conductor lines and multiple touch-control sensing unit each touch-control sensing unit input driving letter
Number, the driving signal of a touch-control sensing unit is used to drive the touch input of a touch-control sensing unit induction user；Its
In, after inputting the driving signal to the conductor lines and each touch-control sensing unit, conductor lines and each touch-control sensing
Potential difference between unit is 0.With this solution, due to the touch-control scan phase in the scan period of touch screen, in guide
Potential after body line and each touch-control sensing unit input drive signal, between the conductor lines and each touch-control sensing unit
Difference is 0, therefore when liquid is attached in the conductor lines and certain touch-control sensing unit, in the conductor lines and certain touch-control sensing unit
Between potential difference be still 0, i.e., the transfer of charge will not occur between conductor lines and each touch-control sensing unit, thus it is mobile eventually
End liquid will not be mistakenly identified as to the touch input of user, and then improve mobile terminal identification user touch input it is accurate
Rate.
Referring to each attached drawing provided in an embodiment of the present invention to mobile terminal provided in an embodiment of the present invention and driving
Method is illustratively illustrated.
As shown in Fig. 2, the embodiment of the present invention provides a kind of mobile terminal 20.The mobile terminal 20 may include touch screen 21
With control module 22, and the touch screen 21 may include conductor lines 211 and multiple touch-control sensing units 212.Control module 22 is used
Touch-control scan phase in the scan period in touch screen 21, it is every into conductor lines 211 and multiple touch-control sensing units 212
A 212 input drive signal of touch-control sensing unit, the driving signal of a touch-control sensing unit 212 is for driving a touch-control sense
Unit 212 is answered to incude the touch input of user.Wherein, believe to conductor lines 211 and the input driving of each touch-control sensing unit 212
After number, the potential difference between conductor lines 211 and each touch-control sensing unit 212 is 0.
Optionally, in the embodiment of the present invention, above-mentioned control module is specifically as follows drive integrated circult (integrated
Circuit, IC).
Optionally, in the embodiment of the present invention, above-mentioned touch screen can be capacitance type touch control screen.For capacitance type touch control screen
It specifically describes, may refer to the associated description in above-described embodiment to capacitance type touch control screen, details are not described herein again.
Optionally, in the embodiment of the present invention, above-mentioned touch screen may include touch panel and display panel, and the touch surface
Plate can be covered on the display panel.Specifically, after touch panel detects touch operation on it or nearby, transmission
The type of touch event is determined to the control module in mobile terminal, the subsequent control module exists according to the type of touch event
Corresponding visual output is provided on display panel.
Further, in the embodiment of the present invention, above-mentioned touch panel may include transparency conducting layer and to be set to this transparent
Multiple induction tandems on conductive layer, and each induction tandem in multiple induction tandem may include multiple touch-control sensing lists
Member.Wherein, the material of the transparency conducting layer can be tin oxide, indium oxide, zinc oxide, aluminum zinc oxide, stannic oxide or oxygen
Change indium etc., which can be touch-control sensor (such as the touch-control sensor can be made of capacitor) etc..It can be with
Understand, the touch function of touch panel not only may be implemented by the way that transparency conducting layer is arranged, but also the view of display panel can not be influenced
Feel output effect.
Illustratively, Fig. 3 is a kind of schematic diagram of touch-control sensing unit provided in an embodiment of the present invention.Such as (a) in Fig. 3
It is shown, multiple induction tandems can be set on transparency conducting layer, i.e. induction tandem A1, induction tandem A2, induction tandem A3, sense
Answer tandem B1, induction tandem B2, induction tandem B3, induction tandem B4 and induction tandem B5.In order to be clearer to understand as in Fig. 3
(a) tandem is incuded shown in, is illustrated by taking an induction tandem B1 in multiple induction tandems as an example, in Fig. 3
(b) shown in, induction tandem B1 may include 4 touch-control sensing units 212, and each touch-control sensing unit may be incorporated for feeling
Using the touch input at family.
Optionally, in the embodiment of the present invention, above-mentioned conductor lines can be metal wire.Illustratively, which can be
Silver wire or copper wire etc..It is appreciated that metal wire can lead unsafe charge such as electrostatic since metal has electric conductivity
Out, to improve the safety of mobile terminal.
It should be noted that the electrostatic that electrostatic derived from conductor lines can generate in the embodiment of the present invention for mobile terminal
(such as electrostatic of touch screen generation), or during user's operation mobile terminal, produced between user and mobile terminal
Raw electrostatic can also be other possible electrostatic.It can specifically be determined according to actual use demand, the embodiment of the present invention is not made
It limits.
Further, in the embodiment of the present invention, one end of above-mentioned metal wire can connect with the polarized light piece in mobile terminal
It connects, and the other end of the conductor lines can be connect with the ground terminal of the mainboard in mobile terminal.It is appreciated that by by conductor lines
Both ends connect respectively with the ground terminal of polarized light piece and mainboard, the unsafe charge such as electrostatic can be exported, to improve
The safety of mobile terminal.
Optionally, in the embodiment of the present invention, the scanning to touch screen may include multiple scan periods, and each scanning is all
Phase may include touch-control scan phase and display scan phase.Wherein, the touch-control scan phase in the scan period, mobile terminal
The first driving signal can be inputted to each touch-control sensing unit in the conductor lines and multiple touch-control sensing lists in touch panel,
To drive the touch input of touch-control sensing unit induction user；Display scan phase in the scan period, mobile terminal can be with
The second driving signal is inputted to display panel, to drive display panel to be shown.It is appreciated that scanning rank by setting touch-control
Section and display scan phase, may be implemented the touch function and display function of mobile terminal.
Optionally, in the embodiment of the present invention, above-mentioned mobile terminal can be mobile phone, tablet computer, laptop, palm
Computer, car-mounted terminal, wearable device, Ultra-Mobile PC (ultra-mobile personal computer,
UMPC), net book or personal digital assistant (personal digital assistant, PDA) etc., the embodiment of the present invention is not
Make specific limit.
Optionally, in the embodiment of the present invention, above-mentioned mobile terminal can also be defeated including radio frequency unit, network module, audio
Unit, sensor, interface unit, memory, processor and the equiprobable component of power supply out.It specifically can be according to actual use
Demand determines that the embodiment of the present invention is not construed as limiting.
The embodiment of the present invention provides a kind of mobile terminal, which may include touch screen and control module, and be somebody's turn to do
Touch screen may include conductor lines and multiple touch-control sensing units.Since the touch-control in the scan period of touch screen scans rank
Section, to after conductor lines and each touch-control sensing unit input drive signal, the conductor lines and each touch-control sensing unit
Between potential difference be 0, therefore when liquid is attached on the conductor lines and certain touch-control sensing unit, the conductor lines and certain touch-control
Potential difference between on sensing unit is still 0, i.e., the transfer of charge will not occur between conductor lines and each touch-control sensing unit,
To which liquid will not be mistakenly identified as the touch input of user by mobile terminal, and then improve the touch of mobile terminal identification user
The accuracy rate of input.
Optionally, in the embodiment of the present invention, above-mentioned conductor lines be can be set in the fringe region of the touch screen of mobile terminal,
And above-mentioned multiple touch-control sensing units can be set in the central area of touch screen.Wherein, which can be the touch-control
Region on screen in addition to fringe region.
Illustratively, in conjunction with Fig. 3, as shown in figure 4, providing a kind of schematic diagram of touch screen for the embodiment of the present invention.Touch-control
A circle conductor lines 211 (i.e. overstriking line segment in Fig. 4), the central area of touch screen 21 can be set in the fringe region of screen 21
(region i.e. on touch screen in addition to fringe region) is provided with multiple touch-control sensing units 212.
In the embodiment of the present invention, by the way that conductor lines to be set to the fringe region of touch screen, by multiple touch-control sensing units
It is set to the central area of touch screen, it can be in the premise for not influencing mobile terminal detection user touch location and visual output
Under, unsafe charge such as electrostatic is exported using conductor lines, to improve the safety of mobile terminal.
Optionally, in the embodiment of the present invention, above-mentioned conductor lines may include the first conductor lines and the second conductor lines.
Illustratively, Fig. 5 is the schematic diagram of another touch screen provided in an embodiment of the present invention.As shown in figure 5, touch screen
The first conductor lines 211a and the second conductor lines 211b has can be set in 21 fringe region, and (i.e. conductor lines 211 may include first
Conductor lines 211a and the second conductor lines 211b), the central area (area i.e. on touch screen in addition to fringe region of touch screen 21
Domain) multiple touch-control sensing units can be set.
It, should by the way that the first conductor lines and the second conductor lines are arranged on the fringe region of touch screen in the embodiment of the present invention
First conductor lines and second conductor lines can respectively export unsafe charge such as electrostatic, to improve the peace of mobile terminal
Quan Xing.
Optionally, in the embodiment of the present invention, control module 22 as shown in Figure 2 be can be also used in the scan period
Show scan phase, control conductor lines ground connection.
Further, the display scan phase in the scan period, control module may not need to multiple touch-control sensing lists
Each touch-control sensing unit input drive signal in member, so as in the power consumption for reducing mobile terminal to a certain degree.
Illustratively, Fig. 6 is the schematic diagram provided in an embodiment of the present invention to conductor lines input drive signal.In Fig. 6
(a) shown in or as shown in (b) in Fig. 6, mobile terminal may include multiple scan periods to the scanning of conductor lines, and one
A scan period can specifically include a touch-control scan phase and a display scan phase.Specifically, in the scan period
Display scan phase, control module can control conductor lines ground connection (at this time the voltage in conductor lines be 0V), pass through in this way by
Conductor lines ground connection can prevent ESD injury caused by mobile terminal.Touch-control scan phase in the scan period, control
Module can be to conductor lines input drive signal, and to each touch-control sensing unit input drive signal (Fig. 6 is not shown).In this way
Touch-control scan phase in the scan period, if finger contact touch screen (such as touch-control sensing unit of touch screen),
The transfer that charge can occur between the touch-control sensing unit and finger of touch screen (generates between touch-control sensing unit and finger
Potential difference) so that the oscillator frequency being connected with the touch-control sensing unit changes, so that mobile terminal passes through measurement frequency
Variation can incude the touch input of user, and determine the touch location of user；And if liquid is attached to conductor lines and touch-control
Between sensing unit, then transfer (the i.e. conductor of charge will not occur between the conductor lines and touch-control sensing unit of touch screen
Potential difference will not be generated between line and touch-control sensing unit), so that liquid will not be mistakenly identified as the touch of user by mobile terminal
Input.
It should be noted that the ratio that the embodiment of the present invention is shared in a scan period to a touch-control scan phase
Example, a display scan phase ratio shared in a scan period are not construed as limiting, specifically can be according to the property of touch screen
The setting of the design parameters such as energy.It being illustrated by taking (a) in such as Fig. 6 as an example, it is assumed that a scan period is 10 milliseconds, that
One display scan phase ratio shared in a scan period (i.e. in a scan period, can show for 60%
Show scan phase when it is 6 milliseconds a length of), touch-control scan phase ratio shared in a scan period can be 40%
(i.e. in a scan period, touch-control scan phase when it is 4 milliseconds a length of).
Further, in the embodiment of the present invention, in the case where conductor lines ground connection, the voltage of conductor lines can be 0V.
Further, in the embodiment of the present invention, mobile terminal may include two pair of one multiplexer, and two pair of one multiplexer
It can be used for changing the connection status of conductor lines.Specifically, the display scan phase in the scan period, control module can lead to
Cross two pair of one multiplexer control conductor lines ground connection (such as ground terminal connection of control conductor lines and mainboard)；In the scan period
Touch-control scan phase, control module can pass through that two pair of one multiplexer controls conductor lines and the driving pin of control module connects
It connects, so that control module can be to conductor lines input drive signal.
In the embodiment of the present invention, by the display scan phase in the scan period, conductor lines are grounded, and in scanning week
Interim touch-control scan phase, each touch-control sensing unit input driving letter into conductor lines and multiple touch-control sensing units
Number, can solve prevents ESD injury caused by mobile terminal, also can solve mobile terminal and is mistakenly identified as using by liquid
The safety of mobile terminal can be improved in the problem of touch input at family, the i.e. embodiment of the present invention, and can be improved mobile whole
The accuracy rate of the touch input of end identification user.
Optionally, in the embodiment of the present invention, the above-mentioned scan period can be 16.67 milliseconds or 8.33 milliseconds.I.e. to shifting
The scan frequency of dynamic terminal touch screen can be 60 hertz or 120 hertz.
In the embodiment of the present invention, by the way that 16.67 milliseconds or 8.33 milliseconds will be set as the scan period, it can guarantee to use
Family is it can be seen that in the case of the effect for the image that touch screen is shown, in the power consumption for reducing mobile terminal to a certain degree.
Optionally, in the embodiment of the present invention, above-mentioned driving signal can be pulse signal.
Illustratively, above-mentioned pulse signal can be rectangular pulse signal, triangular pulse signal or spike signal
Deng.Specifically it can determine that the embodiment of the present invention is without limitation according to actual use demand.
It, can be according to actually making it should be noted that the embodiment of the present invention is not especially limited the period of pulse signal
With demand determine, for example, a touch-control scan phase in a scan period may include 5 pulse signals period or
The period etc. of 6 pulse signals.In addition, the embodiment of the present invention is not especially limited the range value of pulse signal, it can basis
Actual use demand determines, for example, the low level of the rectangular pulse signal can be when pulse signal is rectangular pulse signal
The high level of 0V, the rectangular pulse signal can be 3.6V or 2.8V etc..
In the embodiment of the present invention, by setting pulse signal for driving signal, touch-control sensing list can be preferably driven
The touch input of member induction user, so that mobile terminal can detecte the touch input, and then can trigger mobile terminal and hold
The corresponding processing movement of row.
As shown in fig. 7, the embodiment of the present invention provides a kind of driving method.This method can be applied to mobile terminal, the shifting
Dynamic terminal may include touch screen, and the touch screen may include conductor lines and multiple touch-control sensing units.This method can be with
Include the steps that following 701.
Step 701, the touch-control scan phase in the scan period of touch screen, mobile terminal is to conductor lines and multiple touch-controls
Each touch-control sensing unit input drive signal in sensing unit.
Wherein, the driving signal of a touch-control sensing unit is used to drive the touching of a touch-control sensing unit induction user
Touch input.After each touch-control sensing unit input drive signal into conductor lines and multiple touch-control sensing units, this is led
Potential difference between body line and each touch-control sensing unit is 0.
For the specific descriptions of touch-control scan phase, conductor lines and multiple touch-control sensing units, above-mentioned implementation may refer to
Example is to the associated description of touch-control scan phase, conductor lines and multiple touch-control sensing units, and details are not described herein again.
The embodiment of the present invention provides a kind of driving method, due to the touch-control scan phase in the scan period of touch screen,
Conductor lines from mobile terminal to touch screen and touch screen each touch-control sensing unit input drive signal after, the conductor lines
Potential difference between each touch-control sensing unit is 0, therefore when liquid is attached to the conductor lines and certain touch-control sensing unit
When upper, in the conductor lines and certain touch-control sensing unit between potential difference be still 0, i.e., conductor lines and each touch-control sensing unit it
Between the transfer of charge will not occur, so that liquid will not be mistakenly identified as the touch input of user by mobile terminal, and then improve
Mobile terminal identifies the accuracy rate of the touch input of user.
Optionally, in conjunction with Fig. 7, as shown in figure 8, driving method provided in an embodiment of the present invention include the steps that it is following
702。
Step 702, the display scan phase in the scan period, mobile terminal control conductor lines ground connection.
For showing the specific descriptions of scan phase, it may refer to above-described embodiment and the correlation of display scan phase retouched
It states, details are not described herein again.
Optionally, in the embodiment of the present invention, mobile terminal may include can be with two pair of one multiplexer, and two pair of one multiplexing
Device can be used for changing the connection status of conductor lines.Specifically, the display scan phase in the scan period, control module can be with
Conductor lines ground connection (such as ground terminal connection of control conductor lines and mainboard) is controlled by two pair of one multiplexer；In the scan period
In touch-control scan phase, control module can pass through the driving pin that two pair of one multiplexer controls conductor lines and control module
Connection, so that control module can be to conductor lines input drive signal.
Optionally, in the embodiment of the present invention, if conductor lines include the first conductor lines and the second conductor lines, above-mentioned step
Rapid 702 can specifically include: the display scan phase in the scan period, and mobile terminal controls the first conductor lines and the second conductor
Line ground connection.
It should be noted that above-mentioned Fig. 8 is to first carry out step 701 with mobile terminal, then execute step in the embodiment of the present invention
It is illustrated for rapid 702, any restriction is not caused to the embodiment of the present invention.It is appreciated that practical realize
When, mobile terminal can also first carry out step 702, then execute step 701.It can specifically be determined according to actual use demand, this
Inventive embodiments are not especially limited.
In the embodiment of the present invention, by the display scan phase in the scan period, mobile terminal connects to conductor lines input
Earth signal, the touch-control scan phase in the scan period, to conductor lines input drive signal, can solve prevents mobile terminal
ESD may be injured caused by mobile terminal, also can solve the problem of liquid is mistakenly identified as the touch input of user by terminal,
I.e. the embodiment of the present invention improve mobile terminal safety and mobile terminal identification user touch input accuracy rate.
Optionally, in the embodiment of the present invention, the above-mentioned scan period is 16.67 milliseconds or 8.33 milliseconds.
In the embodiment of the present invention, by the way that 16.67 milliseconds or 8.33 milliseconds will be set as the scan period, it can guarantee to use
It, can be in the power consumption for reducing mobile terminal to a certain degree in the case of the effect for the image that touch screen is shown is seen at family.
Optionally, in the embodiment of the present invention, above-mentioned driving signal can be pulse signal.
Illustratively, above-mentioned pulse signal can be rectangular pulse signal, triangular pulse signal or pulse signal etc..Tool
Body can determine that the embodiment of the present invention is without limitation according to actual use demand.
In the embodiment of the present invention, by setting pulse signal for driving signal, touch-control sensing list can be preferably driven
The touch input of member induction user, so that mobile terminal can detecte the touch input, and then can trigger mobile terminal and hold
The corresponding processing movement of row.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (10)
1. a kind of mobile terminal, which is characterized in that including touch screen and control module, the touch screen includes conductor lines and multiple
Touch-control sensing unit；
The control module, for the touch-control scan phase in the scan period of the touch screen, to the conductor lines and institute
State each touch-control sensing unit input drive signal in multiple touch-control sensing units, the driving signal of a touch-control sensing unit
For driving the touch input of one touch-control sensing unit induction user；Wherein, to conductor lines and described each
Touch-control sensing unit inputs after the driving signal, the potential difference between the conductor lines and each touch-control sensing unit
It is 0.
2. mobile terminal according to claim 1, which is characterized in that the control module was also used in the scanning week
Interim display scan phase controls the conductor lines ground connection.
3. mobile terminal according to claim 2, which is characterized in that the scan period is 16.67 milliseconds or 8.33
Millisecond.
4. mobile terminal according to any one of claim 1 to 3, which is characterized in that the driving signal is pulse letter
Number.
5. mobile terminal according to claim 4, which is characterized in that the pulse signal is rectangular pulse signal.
6. a kind of driving method, which is characterized in that be applied to mobile terminal, the mobile terminal includes touch screen, the touch-control
Screen includes conductor lines and multiple touch-control sensing units, which comprises
Touch-control scan phase in the scan period of the touch screen, to the conductor lines and the multiple touch-control sensing unit
In each touch-control sensing unit input drive signal, the driving signal of a touch-control sensing unit is for driving one touching
Control the touch input of sensing units sense user；
Wherein, after inputting the driving signal to the conductor lines and each touch-control sensing unit, the conductor lines
Potential difference between each touch-control sensing unit is 0.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
Display scan phase in the scan period controls the conductor lines ground connection.
8. the method according to the description of claim 7 is characterized in that the scan period is 16.67 milliseconds or 8.33 milliseconds.
9. the method according to any one of claim 6 to 8, which is characterized in that the driving signal is pulse signal.
10. according to the method described in claim 9, it is characterized in that, the pulse signal is rectangular pulse signal.
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| CN201810969424.7A CN109343751B (en) | 2018-08-23 | 2018-08-23 | Mobile terminal and driving method |
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| CN201810969424.7A CN109343751B (en) | 2018-08-23 | 2018-08-23 | Mobile terminal and driving method |
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| CN109343751B CN109343751B (en) | 2022-03-04 |
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| JP2017021863A (en) * | 2016-11-01 | 2017-01-26 | 三菱電機株式会社 | Touch panel and display device |
| CN106527834A (en) * | 2016-11-09 | 2017-03-22 | 厦门天马微电子有限公司 | Touch display panel, driving method thereof and touch display device |
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Patent Citations (5)
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| CN103713784A (en) * | 2013-04-12 | 2014-04-09 | 深圳市汇春科技有限公司 | Capacitive touch detecting circuit, device and identification method capable of preventing mistakes caused by stains |
| CN104133600A (en) * | 2013-05-02 | 2014-11-05 | 义隆电子股份有限公司 | Liquid identification method of touch panel |
| CN105335009A (en) * | 2015-12-03 | 2016-02-17 | 深圳磨石科技有限公司 | Touch display device and electronic device |
| JP2017021863A (en) * | 2016-11-01 | 2017-01-26 | 三菱電機株式会社 | Touch panel and display device |
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| CN109343751B (en) | 2022-03-04 |
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