CN106652968A - Common voltage compensation method, drive circuit and display device - Google Patents
Common voltage compensation method, drive circuit and display device Download PDFInfo
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- CN106652968A CN106652968A CN201710183023.4A CN201710183023A CN106652968A CN 106652968 A CN106652968 A CN 106652968A CN 201710183023 A CN201710183023 A CN 201710183023A CN 106652968 A CN106652968 A CN 106652968A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3696—Generation of voltages supplied to electrode drivers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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- Crystallography & Structural Chemistry (AREA)
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a common voltage compensation method, a drive circuit and a display device; the common voltage compensation method comprises: dividing a common electrode into a plurality of sub-electrodes evenly arranged at equal intervals, and collecting a first common voltage signal of each sub-electrode in real time; comparing the first common voltage signals and initial common voltage signals initially input to the sub-electrodes, and calculating differences between the first common voltage signals and the initial common voltage signals; compensating the initial common voltage signals with the differences, and providing the corresponding sub-electrodes with second common voltage signals acquired by compensation. The common voltage compensation method can uniformize the voltage of the whole common electrode compensated, so that the problem that far and near ends of the common electrode relative to the drive signal input end experience different common voltages due to different wiring impedances is avoided; therefore, real-time display effect of the display device employing the common voltage compensation method is improved.
Description
Technical field
The present invention relates to display technology field, in particular it relates to a kind of common electric voltage compensation method, drive circuit and display
Device.
Background technology
In lcd technology, different voltages need to be applied on the liquid crystal capacitance of each pixel, to reach liquid crystal deflection, most
The bright picture of terminal.Liquid crystal capacitance one end is common-battery pole tension (i.e. public electrode voltages, VCOM voltages), and the other end is data wire electricity
Pressure (GAMMA voltages).VCOM voltages are the reference voltages of liquid crystal molecule deflection, and its stability directly affects liquid crystal display.
In product is shown, on same display floater 6, public electrode 1 is usually arranged as a flood, i.e. common-battery pole tension
(VCOM voltages) is from a flood public electrode 1 (VCOMITO).Because display floater 6 has the restriction of frame, so public electrode
1 is typically designed to be connected to the upper and lower ends of public electrode 1 using periphery cabling, and from a flood public electrode 1 multiple spot pair is taken
Flood public electrode 1 is powered, as shown in Figure 1.The drawbacks of this method for designing has certain.Drive circuit 7 is a flood public electrode 1
Same common-battery pole tension is provided, via the periphery cabling of display floater 6, is input into public electrode 1.Same layer public electrode 1 is leaned on
On the near-end and the distal end away from drive circuit 7 of nearly drive circuit 7, can cause to actually enter because walking line impedence difference to public
Common-battery pole tension on the diverse location point of electrode 1 is different so that public electrode 1 proximally and distally each point common-battery pole tension not
Uniformly, the display effect of liquid crystal display is had a strong impact on.
Therefore, how to realize that the voltage of diverse location point on public electrode has uniformly become technology urgently to be resolved hurrily at present and asked
Topic.
The content of the invention
The present invention is for above-mentioned technical problem present in prior art, there is provided a kind of common electric voltage compensation method, driving
Circuit and display device.The common electric voltage compensation method can make the voltage of whole public electrode become equal after compensation is passed through
It is even, so as to avoid public electrode relative driving signal input proximally and distally because walking the different institute of line impedence caused by it is public
The different problem of common voltage, and then improve the real-time display effect using the display device of the common electric voltage compensation method.
The present invention provides a kind of common electric voltage compensation method, including：
Public electrode is divided into multiple sub-electrodes that are uniform and arranging at equal intervals, on Real-time Collection each described sub-electrode
The first public voltage signal；
First public voltage signal is carried out with the initial public voltage signal on initial input to the sub-electrode
Relatively, the difference between first public voltage signal and the initial public voltage signal is calculated；
The difference is compensated to the initial public voltage signal, and the second public voltage signal that will be obtained after compensation
It is supplied to the corresponding sub-electrode.
Preferably, also included before the first public voltage signal on the Real-time Collection each described sub-electrode：Sentence
Disconnected being in shows sweep phase or touch-control sweep phase；
If being in the display sweep phase, the first public voltage signal on sub-electrode described in Real-time Collection；
If being in the touch-control sweep phase, for the sub-electrode touching signals are provided.
The present invention also provides a kind of drive circuit, including public electrode, and the public electrode includes uniform and arranges at equal intervals
Multiple sub-electrodes of cloth, also including common electric voltage compensation circuit, the common electric voltage compensation circuit is divided with each described sub-electrode
Do not connect；The common electric voltage compensation circuit includes：
Acquisition module, the first public voltage signal for Real-time Collection on each described sub-electrode；
Relatively computing module, for will be initial on first public voltage signal and initial input to the sub-electrode
Public voltage signal is compared, and calculates the difference between first public voltage signal and the initial public voltage signal
Value；
Compensating module, for the difference to be compensated to the initial public voltage signal, and for obtaining after compensation
Two public voltage signals are supplied to the corresponding sub-electrode.
Preferably, also including judge module, handover module and touch-control module；
The judge module is used to judge in display sweep phase or touch-control sweep phase；
The handover module is used for when the judged result of the judge module is in display sweep phase, and switching to makes
The common electric voltage compensation circuit work, and when the judged result of the judge module is in touch-control sweep phase, switching
To make the touch-control module work, the touch-control module is used to provide touching signals for the sub-electrode.
Preferably, the common electric voltage compensation circuit is respectively positioned on each described son electricity with the tie point of each sub-electrode
The center of pole.
Preferably, including comparator, the comparator includes first input end, the second input to the computing module that compares
And output end, the first input end and second input are respectively used to the input initial public voltage signal and described
First public voltage signal；The output end is used to export first public voltage signal with the initial public voltage signal
Between difference.
Preferably, the compensating module includes adder calculator, and the adder calculator includes first input end, second defeated
Enter end and output end, the first input end is used to be input into the initial public voltage signal and first common electric voltage letter
Number with the difference between the initial public voltage signal；Second input is grounded by peripheral circuit；The output end
For exporting second public voltage signal.
Preferably, the handover module includes switching switch, and the switching switch adopts single-pole double-throw switch (SPDT), the switching
Switch can switch to the access common electric voltage compensation circuit or access the touch-control according to the judged result of the judge module
Module.
The present invention also provides a kind of display device, including above-mentioned drive circuit.
Beneficial effects of the present invention：Common electric voltage compensation method provided by the present invention, by the way that public electrode is divided into
Multiple sub-electrodes, and real-time common electric voltage monitoring and compensation are carried out respectively to each sub-electrode, the electricity of whole public electrode can be made
Being pressed in after compensation becomes uniform, so as to avoid public electrode relative driving signal input proximally and distally because
The different problem of the caused common electric voltage of the different institute of line impedence is walked, and then improves the display using the common electric voltage compensation method
The real-time display effect of device.
Drive circuit provided by the present invention, by arranging common electric voltage compensation circuit, can be to each sub-electrode difference
Real-time common electric voltage monitoring and compensation are carried out, make the voltage of whole public electrode becomes uniform after compensation is passed through, so as to keep away
Exempted from public electrode relative driving signal input proximally and distally because walking the different institute of line impedence caused by common electric voltages not
Same problem, and then improve using the real-time display effect of the display device of the drive circuit.
Display device provided by the present invention, by using above-mentioned drive circuit, improving the display effect of the display device
Really.
Description of the drawings
Fig. 1 is the schematic diagram powered to public electrode in prior art；
Fig. 2 is the flow chart of common electric voltage compensation method in the embodiment of the present invention 1；
Fig. 3 is the theory diagram of drive circuit in the embodiment of the present invention 1；
Fig. 4 is the arrangement schematic diagram of multiple sub-electrodes in the embodiment of the present invention 1；
Fig. 5 is the circuit diagram of comparator in the embodiment of the present invention 1；
Fig. 6 is the circuit diagram of adder calculator in the embodiment of the present invention 1；
Fig. 7 is the flow chart of common electric voltage compensation method in the embodiment of the present invention 2；
Fig. 8 is the theory diagram of drive circuit in the embodiment of the present invention 2；
Fig. 9 is the circuit theory diagrams of handover module in the embodiment of the present invention 2.
Description of reference numerals therein：
1. public electrode；11. sub-electrodes；2. common electric voltage compensation circuit；21. acquisition modules；22. compare computing module；
23. compensating modules；VCOM. initial public voltage signal；VCOM1. the first public voltage signal；The common electric voltages of Δ VCOM. first
Difference between signal and initial public voltage signal；VCOM2. the second public voltage signal；3. judge module；4. mould is switched
Block；41. switching switches；5. touch-control module；6. display floater；7. drive circuit.
Specific embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and it is embodied as
Mode is described in further detail to a kind of common electric voltage compensation method provided by the present invention, drive circuit and display device.
Embodiment 1：
The present embodiment provides a kind of common electric voltage compensation method, as shown in Fig. 2 including：
Step S10：Public electrode is divided into multiple sub-electrodes that are uniform and arranging at equal intervals, each height electricity of Real-time Collection
The first public voltage signal for extremely going up.
Step S11：First public voltage signal is carried out with the initial public voltage signal on initial input to sub-electrode
Relatively, the difference between the first public voltage signal and initial public voltage signal is calculated.
Step S12：Difference is compensated to initial public voltage signal, and the second public voltage signal that will be obtained after compensation
It is supplied to corresponding sub-electrode.
The common electric voltage compensation method, by the way that public electrode is divided into multiple sub-electrodes, and to each sub-electrode difference
Real-time common electric voltage monitoring and compensation are carried out, can make the voltage of whole public electrode becomes uniform after compensation is passed through, so as to
Avoid public electrode relative driving signal input proximally and distally because walking the different institute of line impedence caused by common electric voltages
Different problems, and then improve the real-time display effect using the display device of the common electric voltage compensation method.Wherein, show
Device is liquid crystal display device.
Based on above-mentioned common electric voltage compensation method, the present embodiment also provides a kind of drive using the common electric voltage compensation method
Dynamic circuit, as shown in Figure 3 and Figure 4, including public electrode 1, multiple sub-electrodes that public electrode 1 includes uniformly and arranges at equal intervals
11, also including common electric voltage compensation circuit 2, common electric voltage compensation circuit 2 is connected respectively with each sub-electrode 11；Common electric voltage is mended
Repaying circuit 2 includes：Acquisition module 21, for the first public voltage signal on Real-time Collection each sub-electrode 11.Relatively calculate
Module 22, for the first public voltage signal to be compared with the initial public voltage signal on initial input to sub-electrode 11
Compared with the difference between the first public voltage signal of calculating and initial public voltage signal.Compensating module 23, for difference to be compensated
To initial public voltage signal, and the second public voltage signal obtained after compensation is supplied into corresponding sub-electrode 11.
The drive circuit can respectively carry out real-time public affairs by arranging common electric voltage compensation circuit 2 to each sub-electrode 11
Common voltage is monitored and compensated, and is made the voltage of whole public electrode 1 and is become uniform after compensation is passed through, so as to avoid common electrical
Proximally and distally different because walking the caused common electric voltage of the different institute of the line impedence problem of the relative driving signal input of pole 1,
And then improve using the real-time display effect of the display device of the drive circuit.
In the present embodiment, it is preferred that common electric voltage compensation circuit 2 is respectively positioned on every height with the tie point of each sub-electrode 11
The center of electrode 11.Because the area of each sub-electrode 11 being separated to form is very little, visually can hardly recognize, so
Each sub-electrode 11 can be equivalent to a point, and above-mentioned setting can make on the sub-electrode 11 of the Real-time Collection of acquisition module 21
One public voltage signal is approximately equal to the voltage signal of difference on sub-electrode 11, so that gather from each sub-electrode 11
The virtual voltage that first public voltage signal can truly reflect on respective sub-electrode 11, and then each sub-electrode 11 can be made electric
Pressure is more uniform after compensation.
In the present embodiment, compare computing module 22 including comparator, as shown in figure 5, comparator include first input end, the
Two inputs and output end, first input end and the second input are respectively used to be input into initial public voltage signal VCOM and first
Public voltage signal VCOM1；Output end be used for output the first public voltage signal VCOM1 and initial public voltage signal VCOM it
Between difference DELTA VCOM.Comparator and its conventional art that peripheral circuit (such as connect setting of resistance R) is this area, herein not
Repeat again.By arranging comparator, can be by the initial public affairs in the first public voltage signal VCOM1 and initial input to sub-electrode
Common voltage signal VCOM is compared, and calculates between the first public voltage signal VCOM1 and initial public voltage signal VCOM
Difference DELTA VCOM.
In the present embodiment, compensating module 23 includes adder calculator, as shown in fig. 6, adder calculator includes the first input
End, the second input and output end, first input end is used to be input into initial public voltage signal VCOM and the first common electric voltage
Difference DELTA VCOM between signal and initial public voltage signal VCOM；Second input is grounded by peripheral circuit；Output end
For exporting the second public voltage signal VCOM2.Adder calculator and its peripheral circuit (such as connect setting of resistance R) are ability
The conventional art in domain, here is omitted.By arranging adder calculator, difference DELTA VCOM can be compensated to initial common electrical
Pressure signal VCOM, with the second public voltage signal VCOM2 after being compensated.
Embodiment 2：
The present embodiment provides a kind of common electric voltage compensation method, as different from Example 1, as shown in fig. 7, in embodiment
On the basis of 1, first on Real-time Collection each sub-electrode in step slo of the common electric voltage compensation method in the present embodiment
Also include before public voltage signal：Step S8：Judge in display sweep phase or touch-control sweep phase.
If in display sweep phase, execution step S10.
If being in touch-control sweep phase, execution step S9：Touching signals are provided for sub-electrode.
Public electrode i.e. in the present embodiment is also multiplexed touch control electrode when making touch control.When using common electric voltage benefit
The display device of compensation method show scanning when, using above-mentioned common electric voltage compensation method to Real-time Collection on each sub-electrode
First public voltage signal carries out real-time monitoring and compensation, makes whole public electrode in the real-time common electric voltage for showing sweep phase
It is more uniform, so as to avoid public electrode relative driving signal input proximally and distally because walking, line impedence is different to be led
The different problem of the common electric voltage of cause, and then improve the display effect of display device using the common electric voltage compensation method.
When display device is scanned in touch-control, each sub-electrode for being used as driving electrodes can normally receive touch-control drive signal, and often
The individual sub-electrode as induction electrode can be believed the touch-control sensing on each induction electrode by the holding wire being connected respectively with it
Number output to corresponding touch drive circuit, so as to realize that public electrode makees touch control electrode in the multiplexing of touch-control sweep phase.Exist
The touch-control sweep phase of display device, does not compensate to the voltage on each sub-electrode, and each sub-electrode is used as touch control electrode
The normal function of playing touch control electrode；Public electrode is divided into multiple sub-electrodes that are uniform and arranging at equal intervals, it is possible to increase
Resolution ratio and sensitivity during touch-control.
Based on above-mentioned common electric voltage compensation method, the present embodiment also provides a kind of drive using the common electric voltage compensation method
Dynamic circuit, and unlike the drive circuit in embodiment 1, as shown in figure 8, in embodiment 1 on the basis of drive circuit, this
Drive circuit in embodiment also includes judge module 3, handover module 4 and touch-control module 5；Judge module 3 is in for judgement
Show sweep phase or touch-control sweep phase.It is in display scanning that handover module 4 is used in the judged result of judge module 3
During the stage, switching to makes common electric voltage compensation circuit 2 work, and judge module 3 judged result be in touch-control scan rank
Duan Shi, switching to makes touch-control module 5 work, and touch-control module 5 is used to provide touching signals for sub-electrode 11.
I.e. public electrode 1 makees touch control electrode in the multiplexing of touch-control sweep phase.The setting of handover module 4, can sweep in display
When retouching beginning, switching to makes the common electric voltage compensation circuit 2 work, so that common electric voltage compensation circuit 2 can be to each son electricity
The voltage of the Real-time Collection on pole 11 carries out real-Time Compensation, so as to avoid the relative driving signal input of public electrode 1
The proximally and distally problem different because walking the caused common electric voltage of the different institute of line impedence, and then improve using the drive circuit
The display effect of display device.Meanwhile, when touch-control scanning starts, handover module 4 is switched to makes touch-control module 5 work, so as to
The display device is enable by the way that the multiplexing of public electrode 1 is normally carried out into touch controllable function as touch control electrode.In touch-control sweep phase,
Common electric voltage compensation is not carried out to public electrode 1.
Wherein, touch-control module 5 refers to touch-control driving chip, and touching signals refer to touch-control drive signal and touch-control sensing signal, touches
Control module 5 is connected respectively with each sub-electrode 11 by independent holding wire, and when display device touch-control is scanned, each is used as to drive
The sub-electrode 11 of moving electrode can normally receive the touch-control drive signal of the transmission of touch-control module 5, and each is used as induction electrode
Sub-electrode 11 can be by respective touch-control sensing signal output to touch-control module 5, so as to realize to the display using the drive circuit
The normal touch-control of device.
In the present embodiment, as shown in figure 9, handover module 4 includes switching switch 41, switching switch 41 is opened using single-pole double throw
Close, switching switch 41 can switch to access common electric voltage compensation circuit 2 or access touch-control mould according to the judged result of judge module 3
Block 5.Using switching switch 41, the handoff functionality in the drive circuit can not only be realized, and the drive circuit can be simplified
Structure, reduce the cost of the drive circuit.
The beneficial effect of embodiment 1-2：The common electric voltage compensation method that embodiment 1-2 is provided, by by public electrode
It is divided into multiple sub-electrodes, and real-time common electric voltage monitoring and compensation is carried out respectively to each sub-electrode, whole common electrical can be made
The voltage of pole through compensation after become uniform, so as to avoid public electrode relative driving signal input near-end with
The distal end problem different because walking the caused common electric voltage of the different institute of line impedence, and then improve using the common electric voltage compensation method
Display device real-time display effect.
Embodiment 3：
The present embodiment provides a kind of display device, including the drive circuit in embodiment 1 or 2, by using embodiment 1 or
Drive circuit in 2, improves the display effect of the display device.
Display device provided by the present invention can be：Liquid crystal panel, LCD TV, display, mobile phone, navigator etc. are appointed
What has the product or part of display function.
It is understood that the embodiment of above principle being intended to be merely illustrative of the present and the exemplary enforcement for adopting
Mode, but the invention is not limited in this.For those skilled in the art, in the essence without departing from the present invention
In the case of god and essence, various modifications and improvement can be made, these modifications and improvement are also considered as protection scope of the present invention.
Claims (9)
1. a kind of common electric voltage compensation method, it is characterised in that include：
Public electrode is divided into multiple sub-electrodes that are uniform and arranging at equal intervals, the on Real-time Collection each described sub-electrode
One public voltage signal；
First public voltage signal is compared with the initial public voltage signal on initial input to the sub-electrode,
Calculate the difference between first public voltage signal and the initial public voltage signal；
The difference is compensated to the initial public voltage signal, and the second public voltage signal obtained after compensation is provided
To the corresponding sub-electrode.
2. common electric voltage compensation method according to claim 1, it is characterised in that in each described son of the Real-time Collection
Also include before the first public voltage signal on electrode：Judge in display sweep phase or touch-control sweep phase；
If being in the display sweep phase, the first public voltage signal on sub-electrode described in Real-time Collection；
If being in the touch-control sweep phase, for the sub-electrode touching signals are provided.
3. a kind of drive circuit, including public electrode, the public electrode includes multiple sub-electrodes that are uniform and arranging at equal intervals,
Characterized in that, also including common electric voltage compensation circuit, the common electric voltage compensation circuit connects respectively with sub-electrode each described
Connect；The common electric voltage compensation circuit includes：
Acquisition module, the first public voltage signal for Real-time Collection on each described sub-electrode；
Relatively computing module, for will be initial public on first public voltage signal and initial input to the sub-electrode
Voltage signal is compared, and calculates the difference between first public voltage signal and the initial public voltage signal；
Compensating module is for the difference to be compensated to the initial public voltage signal and public by obtain after compensation second
Common voltage signal is supplied to the corresponding sub-electrode.
4. drive circuit according to claim 3, it is characterised in that also including judge module, handover module and touch-control mould
Block；
The judge module is used to judge in display sweep phase or touch-control sweep phase；
The handover module is used for when the judged result of the judge module is in display sweep phase, switches to described in making
Common electric voltage compensation circuit works, and when the judged result of the judge module is in touch-control sweep phase, switching to makes
The touch-control module work, the touch-control module is used to provide touching signals for the sub-electrode.
5. drive circuit according to claim 3, it is characterised in that the common electric voltage compensation circuit and each described son
The tie point of electrode is respectively positioned on the center of each sub-electrode.
6. drive circuit according to claim 3, it is characterised in that the computing module that compares is described including comparator
Comparator includes first input end, the second input and output end, and the first input end and second input are used respectively
In the input initial public voltage signal and first public voltage signal；The output end is public for exporting described first
Difference between common voltage signal and the initial public voltage signal.
7. drive circuit according to claim 3, it is characterised in that the compensating module includes adder calculator, described
Adder calculator includes first input end, the second input and output end, and the first input end is used to be input into the initial public affairs
Difference between common voltage signal and first public voltage signal and the initial public voltage signal；Described second is defeated
Enter end to be grounded by peripheral circuit；The output end is used to export second public voltage signal.
8. drive circuit according to claim 4, it is characterised in that the handover module includes switching switch, described to cut
Change switch and adopt single-pole double-throw switch (SPDT), the switching switch can be according to the judged result of the judge module switches to access
Common electric voltage compensation circuit accesses the touch-control module.
9. a kind of display device, it is characterised in that including the drive circuit described in claim 3-8 any one.
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| CN201710183023.4A CN106652968A (en) | 2017-03-24 | 2017-03-24 | Common voltage compensation method, drive circuit and display device |
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| CN201710183023.4A CN106652968A (en) | 2017-03-24 | 2017-03-24 | Common voltage compensation method, drive circuit and display device |
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| US11514865B2 (en) | 2020-06-30 | 2022-11-29 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Driving circuit and driving method thereof, display panel, and display device |
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| CN114355689A (en) * | 2022-01-21 | 2022-04-15 | 鄂尔多斯市源盛光电有限责任公司 | Display substrate, display panel and display device |
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Application publication date: 20170510 |