CN108304095A - Display panel control method, device and display drive circuit - Google Patents
Display panel control method, device and display drive circuit Download PDFInfo
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- CN108304095A CN108304095A CN201810134704.6A CN201810134704A CN108304095A CN 108304095 A CN108304095 A CN 108304095A CN 201810134704 A CN201810134704 A CN 201810134704A CN 108304095 A CN108304095 A CN 108304095A
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004590 computer program Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 5
- 230000006870 function Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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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
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
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- General Engineering & Computer Science (AREA)
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
This application discloses a kind of display panel control method, device and display drive circuits, and wherein method includes the state that determining terminal display screen is presently in；If display screen is currently at black state, judge whether terminal is currently in blank screen gesture working condition；If so, control shared line is alternately connect with turntable driving power supply and earth point.After completing scan operation in shared line, shared line is connect with earth point, quickly to eliminate residual charge on shared line, to effectively solve the problems, such as that subsequent display screen screen flash and ghost occurs when showing picture, show that picture provides reliable guarantee for display screen, the very big use good opinion for improving user.
Description
Technical field
This application involves electronic technology field, more particularly to a kind of display panel control method, device and display screen driving electricity
Road.
Background technology
In order to realize that the slimming and lightweight of terminal device control panel one kind occur at present in electronic industry
In-cell display screens.Wherein, In-cell refers to the method being embedded into touch panel function in liquid crystal display panel, i.e., in In-
It is integrated to increase touch-control on the main flexible PCB of cell display screens (Flexible Printed Circuit board, abbreviation FPC)
Circuit (Integrated Circuit, abbreviation IC) and button connector, so that originally external touch panel component and liquid crystal
Panel realizes integration.
Currently, the framework of In-cell display screens is usually Full-Incell structures, which passes through a shared line
Time-sharing multiplex is carried out, realizes display operation and the scan operation of display screen.When needing to show picture, above-mentioned shared line is connected
It is connected to display reference power source, to carry out display operation；When needing to be scanned operation, then above-mentioned shared line is connected to and is swept
Driving power is retouched, to be scanned operation.
However, it is found by the inventors that when terminal is in blank screen gesture function pattern, above-mentioned shared line is only in each scanning week
Phase connect with turntable driving power supply, and to realize scan operation, this allows for having residual charge in shared line, if at this time
Shared line is connect with display reference power source, easily liquid crystal display panel is caused to be polarized, the problems such as screen flash and ghost occurs, to
The normal use for influencing user, reduces the use good opinion of user.
Invention content
The application is intended to solve above-mentioned one of technological deficiency at least to a certain extent.
For this purpose, first purpose of the application is to propose a kind of display panel control method, the method achieve sharing
After circuit completes scan operation, shared line is connect with earth point, quickly to eliminate residual charge on shared line, to
It effectively solves the problems, such as that subsequent display screen screen flash and ghost occurs when showing picture, shows that picture provides reliably for display screen
It ensures, the very big use good opinion for improving user.
Second purpose of the application is to propose a kind of display screen control device.
The third purpose of the application is to propose a kind of display drive circuit.
The 4th purpose of the application is to propose a kind of terminal device.
The 5th purpose of the application is to propose a kind of computer readable storage medium.
To achieve the goals above, the display panel control method of the application first aspect embodiment, including：Determine that terminal is aobvious
The state that display screen is presently in；If the display screen is currently at black state, judge the terminal currently whether in black
Shield gesture working condition；If so, control shared line is alternately connect with turntable driving power supply and earth point.
To achieve the goals above, the display screen control device of the application second aspect embodiment, including：Determining module,
The state being presently in for determining terminal display screen；Judgment module, if being currently at black state for the display screen,
Judge whether the terminal is currently in blank screen gesture working condition；Control module is used for if so, control shared line alternating
It is connect with turntable driving power supply and earth point.
To achieve the goals above, the display drive circuit of the application third aspect embodiment, including：Shared line,
Switch, turntable driving power supply, display reference power source, earth point and controller；The open end of the switch and the shared line
Connection, the first connecting pin of the switch are connect with the turntable driving power supply, and the second connection end of the switch is shown with described
Show that reference power source connects, the third connecting pin of the switch is connect with the earth point；The output end of the controller with it is described
The control terminal of switch connects, and for the working condition according to display screen, controls the working condition of the switch.
To achieve the goals above, the terminal device of the application fourth aspect embodiment, including third aspect embodiment institute
The display drive circuit stated, display screen, memory and storage are on a memory and the computer journey that can run on the controller
Sequence；The display drive circuit, for being driven to the display screen；The processor, for calling the memory
In computer program, and the display drive circuit is controlled, to realize the display described in first aspect embodiment
Shield control method.
To achieve the goals above, the computer readable storage medium of the 5th aspect embodiment of the application, is stored thereon with
Computer program realizes the display panel control method described in first aspect embodiment when the computer program is executed by processor.
Technical solution disclosed in the present application, has the advantages that：
By being determined to the state that terminal display screen is presently in, however, it is determined that display screen is currently at black state
When, then further judge whether terminal is currently in blank screen gesture working condition, if when in blank screen gesture working condition, controls
Shared line processed is alternately connect with turntable driving power supply and earth point.Hereby it is achieved that shared line complete scan operation it
Afterwards, shared line is connect with earth point, quickly to eliminate residual charge on shared line, to effectively solve subsequent display screen
The problem of screen flash and ghost occur when showing picture shows that picture provides reliable guarantee for display screen, very big to improve
The use good opinion of user.
The additional aspect of the application and advantage will be set forth in part in the description, and will partly become from the following description
It obtains obviously, or recognized by the practice of the application.
Description of the drawings
The application is above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein
Fig. 1 is the flow chart according to the display panel control method of the application one embodiment；
Fig. 2 is the flow chart according to the display panel control method of the application another embodiment；
Fig. 3 is the structural schematic diagram according to the display screen control device of the application one embodiment；
Fig. 4 is the structural schematic diagram according to the display drive circuit of the application one embodiment；
Fig. 5 is the structural schematic diagram according to the terminal device of the application one embodiment.
Specific implementation mode
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.
In order to solve in the related technology, in the case where terminal is in blank screen gesture operating mode, shared line is only in each scanning
Period connect with turntable driving power supply, and to realize scan operation, this allows for having residual charge in shared line, at this time
If shared line is connect with display reference power source, easily liquid crystal display panel is caused to be polarized, the problems such as screen flash and ghost occur, from
And the problem of influencing the normal use of user, reducing the use good opinion of user, propose a kind of display panel control method.
Display panel control method provided by the present application is first determined the state that terminal display screen is presently in, if
When determining that display screen is currently at black state, then further judge whether terminal is currently in blank screen gesture working condition, if
It determines that terminal is currently at blank screen gesture working condition, then controls shared line and alternately connect with turntable driving power supply and earth point
It connects.Hereby it is achieved that after shared line completes scan operation, shared line is connect with earth point, it is total with quick elimination
It is aobvious to effectively solve the problems, such as that subsequent display screen screen flash and ghost occurs when showing picture with residual charge on circuit
Display screen shows that picture provides reliable guarantee, the very big use good opinion for improving user.
Below with reference to the accompanying drawings the display panel control method, device and display drive circuit for describing the embodiment of the present application carry out
It is described in detail.
First, display panel control method in the application is specifically described in conjunction with Fig. 1.
Fig. 1 is the flow chart according to the display panel control method of the application one embodiment.
As shown in Figure 1, the display panel control method of the application may comprise steps of：
Step 101, the state that terminal display screen is presently in is determined.
Wherein, the state that terminal display screen is presently in may include：Bright screen state and black state.
Specifically, display panel control method provided by the embodiments of the present application, can be controlled by display screen provided by the present application
Device executes, and above-mentioned apparatus is configured in terminal device, is controlled display screen with realizing.
Wherein, terminal device can be the arbitrary hardware device with In-cell display screens, such as smart mobile phone, individual
Digital assistants (Personal Digital Assistant, referred to as PDA), tablet computer etc., the application does not make this to have
Body limits.
When specific implementation, the state that terminal display screen is presently in can be determined in the following manner, illustrated
It is as follows：
Mode one determines the state that terminal display screen is presently in by obtaining PowerManager events.
For example, as the isScreenOn=ture in PowerManager, determine that terminal display screen is currently at bright screen
State, it is on the contrary then be black state.
Mode two determines the state that terminal display screen is presently in by way of listening broadcast.
If for example, BroadcastReceiver listen to broadcast event be Intent.ACTION_SCREEN_ON,
Then illustrate that display screen is currently at bright screen state；If BroadcastReceiver listens to broadcast event
Intent.ACTION_SCREEN_OFF then illustrates that display screen is currently at black state.
Except of course that except above two mode, the present embodiment can also determine that terminal display screen is worked as otherwise
Preceding state in which, is herein not especially limited it.
Step 102, if display screen is currently at black state, judge terminal currently whether in blank screen gesture work shape
Otherwise state, executes step 104 if so, thening follow the steps 103.
Wherein, blank screen gesture working condition, in particular to terminal device can be supported under black state in the present embodiment
Screen slide, so that user can directly wake up a certain function or corresponding using journey of terminal using preset gesture
Sequence.
Such as：If the gesture of user's sliding is to draw upwards, and preset gesture enters camera interface to draw upwards, then when
Terminal device is under black state, when detecting the gesture of user's upward sliding, then enters the camera interface of terminal.
Specifically, when determining that display screen is currently at black state, then the present embodiment is presently in terminal work
State is judged, to determine whether terminal is currently in blank screen gesture working condition.
It, can be by the way that a monitor be arranged in blank screen gesture function module, with to blank screen gesture function when specific implementation
Whether module is monitored by unlatching, if listen to above-mentioned blank screen gesture function module and opened, illustrates that terminal is currently located
In blank screen gesture working condition, otherwise illustrate that terminal is not currently in blank screen gesture working condition, or can also be by other
Whether mode is currently determined in blank screen gesture working condition terminal, and the present embodiment is not especially limited this.
Step 103, control shared line is alternately connect with turntable driving power supply and earth point.
Specifically, when determining that terminal is currently at blank screen gesture working condition, in order to quickly eliminate shared line in reality
Remaining charge after existing scan operation, the display screen control device of the present embodiment can control shared line alternately to be driven with scanning
Dynamic power supply and earth point connection, so that shared line after each scan operation, can be connected by being established with earth point
It connects, remaining charge is discharged, show that normal pictures provide guarantee for subsequent display screen.
When specific implementation, display screen control device can touch scan period initial time, control shared line and scanning
Driving power connects, and at the end of touching the scan period, control shared line is connect with earth point.
Wherein, it can be that manufacturer terminal is pre-set when dispatching from the factory to touch the scan period, can also be that User Defined is set
It sets, the present embodiment is not especially limited this.
It is understood that the present embodiment is with turntable driving power supply and earth point by shared line by replacing connection, with
So that turntable driving power supply is charged shared line, and after completing scan operation, earth point and shared line can be passed through
Discharge loop is constituted, so that shared line can quickly and effectively discharge the residual charge after scan operation.
For example, if it is 2 seconds (s) to touch the scan period, then display screen control device can be when touching scan period starting
It carves, control shared line is attached with turntable driving power supply, and after 2s, display screen control device controls shared line and disconnects
With the connection of turntable driving power supply, shared line is connect with earth point, remaining charge on shared line is discharged.
Step 104, control shared line is connect with earth point.
Specifically, when determining terminal currently without in blank screen gesture working condition, then illustrate at this time need not to
The operation that gesture of the family under terminal black state is scanned and identifies, then display screen control device control shared line with
Earth point is attached.
Display panel control method provided by the present application, by being determined to the state that terminal display screen is presently in, if
When determining that display screen is currently at black state, then further judge whether terminal is currently in blank screen gesture working condition, if
When in blank screen gesture working condition, then controls shared line and alternately connect with turntable driving power supply and earth point.Hereby it is achieved that
After shared line completes scan operation, shared line connect with earth point, quickly to eliminate remnants on shared line
Charge shows picture to effectively solve the problems, such as that subsequent display screen screen flash and ghost occurs when showing picture for display screen
Provide reliable guarantee, the very big use good opinion for improving user.
By above-mentioned analysis it is found that the application is judging that terminal display screen is currently at black state, and it is in blank screen
Gesture working condition, display screen control device control shared line alternately connect with turntable driving power supply with earth point, will be total to
With circuit after completing scan operation existing residual charge, eliminated by being connect with earth point.When specific implementation, by
In the state that terminal display screen is presently in may include black state and bright screen state, then when determining that terminal display screen is current
When in bright screen state, display screen control device can be by controlling shared line alternately with turntable driving power supply and display with reference to electricity
Source connects, so that display screen can be scanned the operation of user, and is shown and is corresponded to according to scanning result control display screen
Image content.With reference to Fig. 2, the above process of the display panel control method of the application is specifically described.
Fig. 2 is the flow chart of another display panel control method of the application.
As shown in Fig. 2, the display panel control method of the application may comprise steps of：
Step 201, determine whether the state that terminal display screen is presently in is bright screen state, if so, thening follow the steps
202, otherwise, execute step 203.
Step 202, if display screen is currently at bright screen state, control shared line alternately with turntable driving power supply and aobvious
Show that reference power source connects.
Specifically, due in practical application, terminal display screen has multiple dot matrix, therefore display screen control device is controlling
It, can opening by the different dot matrix in control display screen when display screen shows relevant information, such as picture, number, character etc.
Angle is opened, to show the different information contents.
Illustrate the above in order to clearer, the principle of information, which is explained, to be shown to display screen below：
It, can be aobvious by controlling each pixel since display screen is made of many pixels that can send out random color
The color shown so that display screen can show different content.And in order to be accurately controlled the color of each pixel, it is necessary to every
The switch that one similar " shutter " is installed after a pixel, when the difference of " shutter " open angle, pixel corresponds to display
Color is also just different.
Further, it when due to display screen control device, different dot matrix open different angle in control display screen, needs
Electricity is consumed, and there are some charges that turntable driving power supply provides on shared line, therefore the present embodiment can utilize bridging line
The charge of road controls the opening angle of different dot matrix, so that the residual charge on shared line can be effective
It eliminates, to avoid subsequent display screen when showing corresponding information so that the problems such as splashette and ghost occurs in display screen.
When specific implementation, display screen control device can touch scan period initial time, control shared line and scanning
Driving power connects, until at the end of touching the scan period, control shared line is connect with display reference power source.
That is, display screen control device is touching stage scan period, shared line and turntable driving power supply are built
Vertical connection, is scanned user gesture with realizing.Then at the end of touching the scan period, display screen control device will share
Circuit is disconnected with turntable driving power supply, and is controlled shared line and established connection with display reference power source, so that display screen root
The voltage provided according to display reference power source carries out display operation.
Step 203, if display screen is currently at black state, judge terminal currently whether in blank screen gesture work shape
Otherwise state, executes step 205 if so, thening follow the steps 204.
Step 204, control shared line is alternately connect with turntable driving power supply and earth point.
Step 205, control shared line is connect with earth point.
Wherein, the specific implementation process and principle of above-mentioned steps 203-205 is referred to retouching in detail for above-described embodiment
It states, details are not described herein again.
In one embodiment of the invention, the present embodiment can also be when display screen be currently at black state, to aobvious
Display screen is lighted instruction and is obtained, and when getting display screen and lighting instruction, and currently whether blank screen gesture work is in terminal
Judged as state, however, it is determined that when terminal is currently at blank screen gesture working condition, then control shared line elder generation and earth point
After connection, then with display reference power source connect.
It is understood that the present embodiment display screen control device, when getting display screen and lighting instruction, by end
The working condition being presently in is held to be judged, to control shared line and earth point and display reference power source according to judging result
It is connected accordingly, so that display screen can be avoided when carrying out display operation according to display reference power source because of shared line
On residual charge, cause the display reference voltage that display screen receives to be mismatched with preset display reference voltage so as to show
Display screen shows that splashette and ghost phenomena occurs in process.
The display panel control method of the embodiment of the present application, by being determined to the state that terminal display screen is presently in,
If it is determined that when display screen is currently at bright screen state, then shared line alternating and turntable driving power supply and display reference power source are controlled
Connection judges whether terminal is currently in blank screen gesture working condition if display screen is currently at black state, if then
Control shared line is alternately connect with turntable driving power supply and earth point, if otherwise control shared line is connect with earth point.By
This, realizes when display screen is in bright screen state, can be by using remaining charge on shared line, to every on display screen
The opening angle of a dot matrix is controlled, to effectively eliminate the residual charge on shared line so that follow-up display is with reference to electricity
Source is powered shared line, and control display screen does not occur the phenomenon that screen flash and ghost when showing picture, to be display screen
Display picture provides reliable guarantee, the very big use good opinion for improving user.
In order to realize that above-described embodiment, the application also proposed a kind of display screen control device.
Fig. 3 is the structural schematic diagram of the display screen control device of the application one embodiment.
As shown in figure 3, the display screen control device of the application includes：Determining module 11, judgment module 12 and control mould
Block 13.
Wherein it is determined that module 11 is for determining the state that terminal display screen is presently in；
If judgment module 12 is currently at black state for the display screen, judge whether the terminal is currently in
Blank screen gesture working condition；
Control module 13 is used for if so, control shared line is alternately connect with turntable driving power supply and earth point.
It should be noted that the aforementioned explanation to display panel control method embodiment is also applied for the aobvious of the embodiment
Display screen control device, realization principle is similar, and details are not described herein again.
Display screen control device provided in this embodiment, by being determined to the state that terminal display screen is presently in,
If it is determined that when display screen is currently at black state, then further judge whether terminal is currently in blank screen gesture working condition,
If when in blank screen gesture working condition, controlling shared line and alternately being connect with turntable driving power supply and earth point.It is real as a result,
Show after shared line completes scan operation, shared line has been connect with earth point, it is residual on shared line quickly to eliminate
Remaining charge shows picture to effectively solve the problems, such as that subsequent display screen screen flash and ghost occurs when showing picture for display screen
Face provides reliable guarantee, the very big use good opinion for improving user.
In order to realize that above-described embodiment, the application also proposed a kind of display drive circuit.
Fig. 4 is the structural schematic diagram of the display drive circuit of the application one embodiment.
As shown in figure 4, the display drive circuit 20 of the application includes：Shared line 21, switch 22, turntable driving power supply
23, reference power source 24, earth point 25 and controller 26 are shown.
Wherein, the open end 221 of the switch 22 is connect with the shared line 21, the first connecting pin of the switch 22
222 connect with the turntable driving power supply 23, and the second connection end 223 of the switch 22 connects with the display reference power source 24
It connects, the third connecting pin 224 of the switch 22 is connect with the earth point 25；
The output end of the controller 26 is connect with the control terminal 225 of the switch 22, for the work according to display screen
State controls the working condition of the switch 22.
It should be noted that the aforementioned explanation to display panel control method embodiment is also applied for the aobvious of the embodiment
Display screen driving circuit, realization principle is similar, and details are not described herein again.
Display drive circuit provided in this embodiment is realized after shared line completes scan operation, will be shared
Circuit is connect with earth point, quickly to eliminate residual charge on shared line, to effectively solve subsequent display screen in display picture
Occur the problem of screen flash and ghost when face, shows that picture provides reliable guarantee for display screen, it is very big to improve making for user
Use good opinion.
In order to realize that above-described embodiment, the application also propose a kind of terminal device.
Fig. 5 is the structural schematic diagram of the terminal device of the application one embodiment.
Referring to Fig. 5, the embodiment of the present application illustrates display, the application terminal device so that terminal device is mobile phone as an example
100 include second aspect embodiment described in display drive circuit 20, display screen 30, memory 40 and storage on a memory
And the computer program that can be run on the controller.
The display drive circuit 20, for being driven to the display screen 30；The display drive circuit 20
In controller, controlled for calling the computer program in the memory, and to the display drive circuit 20,
To realize the display panel control method described in first aspect embodiment.
Wherein, terminal device can be the arbitrary hardware device with In-cell display screens, such as smart mobile phone, individual
Digital assistants (Personal Digital Assistant, referred to as PDA), tablet computer etc., the application does not make this to have
Body limits.
It should be noted that the aforementioned end for being also applied for the embodiment to the explanation of display panel control method embodiment
End equipment, realization principle is similar, and details are not described herein again.
Terminal device provided in this embodiment, by being determined to the state that terminal display screen is presently in, however, it is determined that
When display screen is currently at black state, then further judge whether terminal is currently in blank screen gesture working condition, if being in
When blank screen gesture working condition, then controls shared line and alternately connect with turntable driving power supply and earth point.Hereby it is achieved that
After shared line completes scan operation, shared line is connect with earth point, quickly to eliminate residual charge on shared line,
To effectively solve the problems, such as that subsequent display screen screen flash and ghost occurs when showing picture, show that picture provides for display screen
Reliable guarantee, the very big use good opinion for improving user.
In order to realize that above-described embodiment, the application also proposed a kind of computer readable storage medium.
The computer readable storage medium, is stored thereon with computer program, which realizes when being executed by processor
The display panel control method of one side embodiment.Wherein display panel control method may include：Determine the current institute of terminal display screen
The state at place；If the display screen is currently at black state, judge whether the terminal currently works in blank screen gesture
State；If so, control shared line is alternately connect with turntable driving power supply and earth point.
In this application unless specifically defined or limited otherwise, the terms such as term " setting ", " connection " should do broad sense reason
Solution, for example, it may be mechanical connection, can also be electrical connection；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discuss suitable
Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be by the application
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or combination thereof.Above-mentioned
In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit application-specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries
Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium
In matter, which includes the steps that one or a combination set of embodiment of the method when being executed.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
Embodiments herein is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as the limit to the application
System, those skilled in the art can be changed above-described embodiment, change, replace and become within the scope of application
Type.
Claims (10)
1. a kind of display panel control method, which is characterized in that including：
Determine the state that terminal display screen is presently in；
If the display screen is currently at black state, judge whether the terminal is currently in blank screen gesture working condition；
If so, control shared line is alternately connect with turntable driving power supply and earth point.
2. the method as described in claim 1, which is characterized in that the control shared line alternately with turntable driving power supply and connect
Place connects, including：
Scan period initial time is being touched, the shared line is being controlled and is connect with turntable driving power supply, until touching scanning week
At the end of phase, controls the shared line and connect with earth point.
3. the method as described in claim 1, spy is being, after the state that the judgement terminal display screen is presently in,
Further include：
If the display screen is currently at bright screen state, shared line is controlled alternately with turntable driving power supply and display with reference to electricity
Source connects.
4. method as claimed in claim 3, which is characterized in that the control shared line alternately with turntable driving power supply and aobvious
Show that reference power source connects, including：
Scan period initial time is being touched, the shared line is being controlled and is connect with turntable driving power supply, until touching scanning week
At the end of phase, controls the shared line and connect with the display reference power source.
5. the method as described in claim 1, which is characterized in that described to judge whether the terminal is currently in blank screen gesture work
After making state, further include：
It is connect with the earth point if it is not, then controlling the shared line.
6. method according to any one of claims 1 to 5, which is characterized in that further include：
When getting display screen and lighting instruction, judge whether the terminal is currently in blank screen gesture working condition；
If so, controlling after the shared line first connect with earth point, then it is connect with the display reference power source.
7. a kind of display screen control device, which is characterized in that including：
Determining module, the state being presently in for determining terminal display screen；
Judgment module judges whether the terminal is currently in blank screen if being currently at black state for the display screen
Gesture working condition；
Control module is used for if so, control shared line is alternately connect with turntable driving power supply and earth point.
8. a kind of display drive circuit, which is characterized in that including：Shared line, switch, turntable driving power supply, display reference
Power supply, earth point and controller；
The open end of the switch is connect with the shared line, the first connecting pin of the switch and the turntable driving power supply
Connection, the second connection end of the switch are connect with the display reference power source, and the third connecting pin of the switch connects with described
Place connects；
The output end of the controller is connect with the control terminal of the switch, for the working condition according to display screen, controls institute
State the working condition of switch.
9. a kind of terminal device, which is characterized in that including display drive circuit according to any one of claims 8, display screen, memory
And store the computer program that can be run on a memory and on the controller；
The display drive circuit, for being driven to the display screen；
The processor is controlled for calling the computer program in the memory, and to the display drive circuit
System, to realize the display panel control method as described in any in claim 1-6.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
When processor executes, to realize the display panel control method as described in claim 1-6 is any.
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| CN201810134704.6A CN108304095A (en) | 2018-02-09 | 2018-02-09 | Display panel control method, device and display drive circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810134704.6A CN108304095A (en) | 2018-02-09 | 2018-02-09 | Display panel control method, device and display drive circuit |
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