CN109509458A - A kind of driving method, LCD display and storage medium for eliminating LCD display ghost - Google Patents
A kind of driving method, LCD display and storage medium for eliminating LCD display ghost Download PDFInfo
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- CN109509458A CN109509458A CN201910035941.1A CN201910035941A CN109509458A CN 109509458 A CN109509458 A CN 109509458A CN 201910035941 A CN201910035941 A CN 201910035941A CN 109509458 A CN109509458 A CN 109509458A
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
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- Engineering & Computer Science (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of driving method, LCD display and storage medium for eliminating LCD display ghost, method includes: the theoretical optimal drive voltage for obtaining LCD display liquid crystal pixel and the calibration optimal drive voltage of practical driving LCD display liquid crystal pixel；One is obtained for standard optimal drive voltage (Vcom) to be adjusted to the debugging voltage of theoretical optimal drive voltage (V) according to the theoretical optimal drive voltage and calibration optimal drive voltage；The highest amplitude and lowest amplitude of practical driving voltage are determined according to the calibration optimal drive voltage and debugging voltage；Practical driving voltage is driven LCD display by the waveform that practical driving voltage is determined according to the highest amplitude of practical driving voltage and lowest amplitude.The present invention adjusts the Vcom voltage value before and after thin film transistor switch by dynamic, so that can cancel out each other on the influence of positive negative afterimage caused by liquid crystal, to avoid generating polarization, ghost is eliminated, it reduces LCD display and the failure rate of ghost occurs, prolong the service life.
Description
Technical field
The present invention relates to LCD display technical fields, and in particular to it is a kind of eliminate LCD display ghost driving method,
LCD display and storage medium.
Background technique
(Thin Film Transistor-Liquid Crystal Display, tft liquid crystal are aobvious by TFT-LCD
Show device) it is display product common at present, because it is relatively low with small size, low power consumption, no radiation and cost of manufacture
The features such as, and be applied in high-performance display field more and more, it is such as applied applied to outdoor display and vehicle-mounted aobvious
Show.
One TFT-LCD shows by multiple pixels (pixel) switch control, and a pixel (pixel) as shown in Figure 1,
By Gate electrode, Source electrode, Vcom electrode composition, Gate electrode is that control Source is opened or closed, Source with
Voltage between Vcom electrode is then supplied with the required voltage of TFT actual displayed picture, and voltage difference acts on liquid crystal generation and drives
The rotation of hydrodynamic crystalline substance generates polarisation effect control light transmission rate；The voltage of Source, Gate and Vcom by LCD driving IC
It provides.
When TFT-LCD at work when to liquid crystal molecule apply forward voltage when, due to coupled voltages and parasitism
The effect of voltage, when the failing edge of Gate signal, i.e. Gate blackout, the charge capacity of Pixel have one it is faint
Decline process, the voltage for holding a part is lossy, and when applying reverse current charging to liquid crystal
When, it has also been discovered that there is also losses slightly for voltage after charging.Therefore after a charge and discharge, Pixel
In relative direction: on the positive and negative direction of Vcom voltage, there is voltage asymmetry (i.e. the exemplary theoretical perfect of Fig. 2
The positive and negative voltage difference of source and vcom is difficult symmetrical about vcom in pixel driver waveform) so that liquid crystal when LCD charge and discharge
DC(direct current is inevitably generated in box), when this residual DC is sufficiently large, it is not accredited to will result in liquid crystal molecule
The driving of number voltage, so that liquid crystal molecule generates polarization phenomena, it cannot be under signal voltage control just so as to cause liquid crystal molecule
Often deflection makes liquid crystal display generate ghost (Area Image) phenomenon when picture substitutes under long duration of action.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, a kind of elimination LCD is provided and is shown
Shield driving method, LCD display and the storage medium of ghost, it is intended to the Vcom before and after thin film transistor switch is adjusted by dynamic
Voltage value, to avoid generating polarization, eliminates ghost so that can cancel out each other on the influence of positive negative afterimage caused by liquid crystal,
It reduces LCD display and the failure rate of ghost occurs, prolong the service life, facilitate user.
The technical proposal for solving the technical problem of the invention is as follows:
A kind of driving method for eliminating LCD display ghost, comprising the following steps:
The theoretical optimal drive voltage (V) and reality for obtaining LCD display liquid crystal pixel drive the LCD display liquid crystal pixel
Calibration optimal drive voltage (Vcom)；
One is obtained according to the theoretical optimal drive voltage (V) and calibration optimal drive voltage (Vcom) to be used for the standard most
Good driving voltage (Vcom) is adjusted to the debugging voltage (△ V) of the theoretical optimal drive voltage (V)；
The LCD display liquid crystal pixel is obtained according to calibration optimal drive voltage (Vcom) and debugging voltage (△ V)
The highest amplitude (V1) and lowest amplitude (V2) of practical driving voltage；
The waveform of practical driving voltage is determined according to the highest amplitude (V1) of the practical driving voltage and lowest amplitude (V2), and
The practical driving voltage is driven into LCD display.
The driving method of the elimination LCD display ghost, wherein the reason for obtaining LCD display liquid crystal pixel
It is specific by optimal drive voltage (V) and the practical calibration optimal drive voltage (Vcom) for driving the LCD display liquid crystal pixel
Include:
The sum of the forward voltage of the Source electrode of LCD display liquid crystal pixel and the absolute value of backward voltage are subjected to average fortune
Calculation obtains theoretical optimal drive voltage (V)；
Standard device is obtained to pop one's head in the calibration optimal drive voltage of practical driving LCD display liquid crystal pixel detected
(Vcom).
The driving method of the elimination LCD display ghost, wherein the theory optimal drive voltage (V) is equal to institute
State the forward voltage of the Source electrode of LCD display liquid crystal pixel and the half of the sum of backward voltage.
The driving method of the elimination LCD display ghost, wherein the highest according to the practical driving voltage
Amplitude (V1) and lowest amplitude (V2) determine the waveform of practical driving voltage, and the practical driving voltage driving LCD is shown
The step of screen specifically:
Highest amplitude (V1) and lowest amplitude (V2) are corrected to the maximum value and minimum value of pulse voltage；
LCD display is driven using the pulse voltage after correction.
The driving method of the elimination LCD display ghost, wherein the period of the pulse voltage after correction is greater than described
The period of the voltage of the Source electrode of LCD display liquid crystal pixel.
The driving method of the elimination LCD display ghost, wherein the debugging voltage (△ V) is more than or equal to described
Twice of the difference of theoretical optimal drive voltage (V) and calibration optimal drive voltage (Vcom).
The driving method of the elimination LCD display ghost, wherein the highest amplitude V1 of the practical driving voltage=
Vcom+ △ V/2, lowest amplitude V2=Vcom-△ V/2.
The driving method of the elimination LCD display ghost, wherein the debugging voltage (△ V) is aobvious equal to the LCD
/ 10th of the difference of the voltage and calibration optimal drive voltage (Vcom) of the Source electrode of display screen liquid crystal pixel.
The present invention also provides a kind of LCD display, the LCD display includes processor and is connected to the processor
Memory, the memory is stored with the driver of LCD display, and the driver of the LCD display is by the place
It manages when device executes for realizing the driving method of elimination LCD display ghost described above；
The present invention also provides a kind of storage medium, the storage medium is stored with the driver of LCD display, and the LCD is aobvious
For realizing the driving method of elimination LCD display ghost described above when the driver of display screen is executed by processor.
It is described the invention discloses a kind of driving method, LCD display and storage medium for eliminating LCD display ghost
Eliminate LCD display ghost driving method include: obtain LCD display liquid crystal pixel theoretical optimal drive voltage (V) and
The practical calibration optimal drive voltage (Vcom) for driving the LCD display liquid crystal pixel；According to the theoretical optimal drive electricity
Pressure (V) and calibration optimal drive voltage (Vcom) obtain one for the standard optimal drive voltage (Vcom) to be adjusted to described
The debugging voltage (△ V) of theoretical optimal drive voltage (V)；According to the calibration optimal drive voltage (Vcom) and debugging voltage
(△ V) obtains the highest amplitude (V1) and lowest amplitude (V2) of the practical driving voltage of the LCD display liquid crystal pixel；According to
The highest amplitude (V1) and lowest amplitude (V2) of the practical driving voltage determine the waveform of practical driving voltage, and by the reality
Border driving voltage drives LCD display.The present invention is directed to pass through the Vcom voltage value before and after dynamic adjusts thin film transistor switch,
So that can cancel out each other on the influence of positive negative afterimage caused by liquid crystal, to avoid generating polarization, ghost is eliminated, reduces LCD
There is the failure rate of ghost in display screen, prolongs the service life.
Detailed description of the invention
Fig. 1 is the circuit equivalent figure that TFT drives a pixel p ixel.
Fig. 2 is the pixel driver waveform diagram of theoretical perfect.
Fig. 3 is conventional ADS driving mode voltage waveform view.
Fig. 4 is the flow chart of the first preferred embodiment of the driving method of the present invention for eliminating LCD display ghost.
Fig. 5 is the voltage waveform view of the driving method of the present invention for eliminating LCD display ghost.
Fig. 6 is the structural block diagram of the LCD display provided by the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, right as follows in conjunction with drawings and embodiments
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Embodiment one
Fig. 3 is referred to, Fig. 3 is conventional ADS driving mode voltage oscillogram.As shown in figure 3,1 indicates that source voltage, i.e. film are brilliant
The electric step voltage of body tube display screen (TFT-LCD), every one frame of mistake of source voltage will carry out generating positive and negative voltage alternating polarity, be used for
It prevents fixed one direction of liquid crystal voltage and causes to polarize；2 indicate the practical driving voltage after calibration, are not in relation to source electricity
Pressure is symmetrical, and 3 are expressed as theoretical driving voltage, about positive and negative source voltage absolute symmetry, from the figure 3, it may be seen that theoretical driving electricity
It presses the difference of the higher practical driving voltage after source voltage and calibration and generates negative pressure DC biasing, therefore, so for a long time
Meeting get off so that liquid crystal is in a negative pressure D/C voltage bias, so as to cause in the case where showing prolonged fixed image easily
Generate ghost phenomena.
Therefore, the present invention provides a kind of elimination LCD in order to avoid not generating ghost when the long period shows fixed image
The driving method of display screen ghost, as shown in figure 4, Fig. 4 illustrates the driving provided by the present invention for eliminating LCD display ghost
The flow chart of first preferred embodiment of method.In order to be even further appreciated that technical solution of the present invention, please refer to Fig. 4 in combination with
Fig. 5, Fig. 5 are the voltage waveform views of the driving method of the present invention for eliminating LCD display ghost.As shown in figure 4, described
Eliminate LCD display ghost driving method the following steps are included:
Step S100, the theoretical optimal drive voltage (V) and the practical driving LCD for obtaining LCD display liquid crystal pixel are shown
Shield the calibration optimal drive voltage (Vcom) of liquid crystal pixel.
That is step S100 is specifically included:
Step S101, by the sum of the forward voltage of the Source electrode of LCD display liquid crystal pixel and absolute value of backward voltage
It carries out average calculating operation and obtains theoretical optimal drive voltage (V)；
Step S102 obtains standard device and pops one's head in the calibration optimal drive of practical driving LCD display liquid crystal pixel detected
Voltage (Vcom).
As shown in figure 5, theoretical optimal drive voltage (V) is equal to the forward voltage of the Source electrode of liquid crystal pixel and reversed
The half of the sum of the absolute value of voltage, i.e. progress average calculating operation.Corresponding dotted line is theoretical optimal drive voltage V, about just
Source voltage and negative Source voltage symmetry, and being used to drive the voltage of LCD display is practical driving voltage in Fig. 5, institute
The formation for stating practical driving voltage is that the checker within the period obtains by highest amplitude V1 and lowest amplitude V2, as shown in Figure 5,
The practical driving voltage is slightly below theoretical optimal drive voltage V, and is not in relation to positive Source voltage and negative Source voltage pair
Claim, therefore, flicker level detection is carried out to flicker picture by standard device probe such as normalized optical probe CA310, with
This reflects the value of practical driving voltage.According to the detection of the flicker level of flicker picture, so that standard probe equipment Alignment
The highest amplitude V1 and lowest amplitude V2 obtains calibration optimal drive voltage Vcom, approaches practical driving voltage
In the theoretical optimal drive voltage V.
Step S200 obtains a use according to the theoretical optimal drive voltage (V) and calibration optimal drive voltage (Vcom)
In the debugging voltage (△ V) that the standard optimal drive voltage (Vcom) is adjusted to the theoretical optimal drive voltage (V).
Specifically, when the optic probe CA310 detects flicker picture, the flicker flashing is obtained in real time
Value, when flicker flicker value is bigger, the calibration optimal drive voltage Vcom gets over deviation theory optimal drive voltage V, because
This obtains the corresponding calibration optimal drive voltage Vcom of optic probe CA310 at this time when the flicker flicker value is minimum
Value.
Debugging voltage is determined according to the step S100 theoretical optimal drive voltage V obtained and calibration optimal drive voltage Vcom
△V.The debugging voltage △ V is for the standard optimal drive voltage (Vcom) to be adjusted to the theoretical optimal drive electricity
It presses (V).As shown in figure 5, the debugging voltage △ V is more than or equal to theory optimal drive voltage V and calibration optimal drive voltage
Twice of the difference of Vcom.
Step S300 obtains the LCD and shows according to the calibration optimal drive voltage (Vcom) and debugging voltage (△ V)
Shield the highest amplitude (V1) and lowest amplitude (V2) of the practical driving voltage of liquid crystal pixel.
In embodiments of the present invention, according to formula V1=Vcom+ △ V/2 and V2=Vcom-△ V/2, practical drive is determined
The highest amplitude V1 and lowest amplitude V2 of dynamic voltage.When it is implemented, the debugging voltage △ V is equal to the Source of liquid crystal pixel
/ 10th of the difference of the voltage and calibration optimal drive voltage Vcom of electrode, i.e. formula △ V=(positive Source voltage-
Vcom)/10, so that flicker flicker value is minimum, display picture is best.As shown in figure 5, the highest amplitude V1 is greater than theory
Optimal drive voltage V, and lowest amplitude V2 is less than theoretical optimal drive voltage V, it is every by default frame number (set best frame number as
8 frames), calibration optimal drive voltage Vcom dynamic adjusts primary, and preceding 8 framing control voltage magnitude is V1, rear 8 framing control voltage V2,
As shown in Figure 5, the period of the pulse voltage after correction is greater than the period of the voltage of the Source electrode of liquid crystal pixel, therefore, preceding 8
The voltage difference of frame Source and Vcom are clearly present negative pressure DC biasing, and then 8 frames are clearly present positive pressure DC biasing, just positive and negative to support
Disappear, to eliminate the polarization phenomena of LCD display, do not generate ghost, thus reduces LCD display and the failure of ghost occur
Rate prolongs the service life.
Certainly, voltage △ V=V1-V2 is debugged.
Above-mentioned default frame number, i.e. period are simultaneously non-limiting, can also set period frame number as 4 frames, 16 frames etc., as long as meeting it
The value size that period alternately changes Vcom reaches the positive and negative alternating of direct current DC bias and electricity of thin film transistor (TFT-LCD)
The absolute value of pressure is equal.
Step S400 determines practical driving according to the highest amplitude (V1) of the practical driving voltage and lowest amplitude (V2)
The waveform of voltage, and the practical driving voltage is driven into LCD display.
That is step S400 is specifically included:
Highest amplitude (V1) and lowest amplitude (V2) are corrected to the maximum value and minimum value of pulse voltage by step S401；
Step S402 drives LCD display using the pulse voltage after correction.
Certainly, those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method,
It is that correlation can be instructed by the corresponding driver for eliminating LCD display ghost of different objects (playing end or server)
Hardware (such as processor, controller etc.) is completed, and the program can be stored in a computer-readable storage medium, should
Program may include the process as eliminated the driving method embodiment of LCD display ghost when being executed.Wherein the storage is situated between
Matter can be memory, magnetic disk, CD etc..
Embodiment two
The embodiment of the invention also provides a kind of LCD display, Fig. 6 illustrates the structural block diagram of the LCD display, such as Fig. 6
Shown, the LCD display includes processor 10 and the memory 20 that connect with the processor 10.The memory 20 is deposited
Contain the driver for eliminating LCD display ghost.
The processor 10 in some embodiments, can be a central processing unit (Central Processing
Unit, CPU), microprocessor or other data processing chips, for run the program code stored in the memory 20 or
Data are handled, such as execute the driver etc. for eliminating LCD display ghost.
Further, for realizing elimination described above when the driver for eliminating LCD display ghost executes
The driving method step of LCD display ghost, described in specific steps S100-S400.
Embodiment three
The present invention also provides a kind of storage medium, the storage medium is stored with the driver of LCD display, the LCD
The driving method when driver of display screen is executed by processor 10 for realizing the elimination LCD display ghost walks
Suddenly, specific as described in embodiment one.
In conclusion the invention discloses a kind of driving method, LCD display and storages for eliminating LCD display ghost
Medium, the driving method for eliminating LCD display ghost include: the theoretical optimal drive for obtaining LCD display liquid crystal pixel
Voltage (V) and the practical calibration optimal drive voltage (Vcom) for driving the LCD display liquid crystal pixel；Most according to the theory
Good driving voltage (V) and calibration optimal drive voltage (Vcom) obtain one for adjusting the standard optimal drive voltage (Vcom)
The whole debugging voltage (△ V) to the theoretical optimal drive voltage (V)；According to the calibration optimal drive voltage (Vcom) and adjust
Examination voltage (△ V) obtains the highest amplitude (V1) and lowest amplitude of the practical driving voltage of the LCD display liquid crystal pixel
(V2)；The waveform of practical driving voltage is determined according to the highest amplitude (V1) of the practical driving voltage and lowest amplitude (V2),
And the practical driving voltage is driven into LCD display.Before and after through dynamic adjustment thin film transistor switch
Vcom voltage value, to avoid generating polarization, is eliminated residual so that can cancel out each other on the influence of positive negative afterimage caused by liquid crystal
Shadow reduces LCD display and the failure rate of ghost occurs, prolongs the service life.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of driving method for eliminating LCD display ghost, which comprises the following steps:
The theoretical optimal drive voltage (V) and reality for obtaining LCD display liquid crystal pixel drive the LCD display liquid crystal pixel
Calibration optimal drive voltage (Vcom)；
One is obtained according to the theoretical optimal drive voltage (V) and calibration optimal drive voltage (Vcom) to be used for the standard most
Good driving voltage (Vcom) is adjusted to the debugging voltage (△ V) of the theoretical optimal drive voltage (V)；
The LCD display liquid crystal pixel is obtained according to calibration optimal drive voltage (Vcom) and debugging voltage (△ V)
The highest amplitude (V1) and lowest amplitude (V2) of practical driving voltage；
The waveform of practical driving voltage is determined according to the highest amplitude (V1) of the practical driving voltage and lowest amplitude (V2), and
The practical driving voltage is driven into LCD display.
2. the driving method according to claim 1 for eliminating LCD display ghost, which is characterized in that the acquisition LCD is aobvious
The theoretical optimal drive voltage (V) of display screen liquid crystal pixel and the practical calibration for driving the LCD display liquid crystal pixel are most preferably driven
Dynamic voltage (Vcom) is specifically included:
The sum of the forward voltage of the Source electrode of LCD display liquid crystal pixel and the absolute value of backward voltage are subjected to average fortune
Calculation obtains theoretical optimal drive voltage (V)；
Standard device is obtained to pop one's head in the calibration optimal drive voltage of practical driving LCD display liquid crystal pixel detected
(Vcom).
3. the driving method according to claim 2 for eliminating LCD display ghost, which is characterized in that described theoretical best
Driving voltage (V) be equal to the LCD display liquid crystal pixel Source electrode forward voltage and the sum of backward voltage one
Half.
4. the driving method according to claim 1 for eliminating LCD display ghost, which is characterized in that described according to
The highest amplitude (V1) and lowest amplitude (V2) of practical driving voltage determine the waveform of practical driving voltage, and the reality is driven
The step of dynamic voltage driving LCD display specifically:
Highest amplitude (V1) and lowest amplitude (V2) are corrected to the maximum value and minimum value of pulse voltage；
LCD display is driven using the pulse voltage after correction.
5. the driving method according to claim 4 for eliminating LCD display ghost, which is characterized in that the pulse after correction
The period of voltage is greater than the period of the voltage of the Source electrode of the LCD display liquid crystal pixel.
6. the driving method according to claim 1 for eliminating LCD display ghost, which is characterized in that the debugging voltage
(△ V) is more than or equal to twice of the difference of the theoretical optimal drive voltage (V) and calibration optimal drive voltage (Vcom).
7. the driving method according to claim 1 for eliminating LCD display ghost, which is characterized in that the practical driving
Highest amplitude V1=Vcom+ △ V/2, lowest amplitude V2=Vcom-△ V/2 of voltage.
8. the driving method according to claim 1 for eliminating LCD display ghost, which is characterized in that the debugging voltage
(△ V) is equal to the voltage of the Source electrode of the LCD display liquid crystal pixel and the difference of calibration optimal drive voltage (Vcom)
/ 10th of value.
9. a kind of LCD display, which is characterized in that the LCD display includes processor and is connected to the processor
Memory, the memory are stored with the driver of LCD display, and the driver of the LCD display is by the processing
For realizing the described in any item driving methods for eliminating LCD display ghost of such as claim 1-8 when device executes.
10. a kind of storage medium, which is characterized in that the storage medium is stored with the driver of LCD display, the LCD
For realizing the described in any item elimination LCD displays of such as claim 1-8 when the driver of display screen is executed by processor
The driving method of ghost.
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| CN111415619B (en) * | 2020-03-10 | 2021-01-19 | 华南理工大学 | Method and system for eliminating ghost shadow and prolonging service life of OLED screen |
| CN114187861A (en) * | 2021-12-10 | 2022-03-15 | 惠州华星光电显示有限公司 | Display device driving method and display device |
| CN114187861B (en) * | 2021-12-10 | 2023-11-28 | 惠州华星光电显示有限公司 | Display device driving method and display device |
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