CN106128407B - Image element driving method and pixel driver system - Google Patents
Image element driving method and pixel driver system Download PDFInfo
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- CN106128407B CN106128407B CN201610820829.5A CN201610820829A CN106128407B CN 106128407 B CN106128407 B CN 106128407B CN 201610820829 A CN201610820829 A CN 201610820829A CN 106128407 B CN106128407 B CN 106128407B
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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
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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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- 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
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/04—Display protection
- G09G2330/045—Protection against panel overheating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of image element driving methods, comprising: display pattern of the detecting liquid crystal display in present frame；When to detect present frame be non-heavily loaded image mode, processing unit sends first frequency signal to sequential control circuit；When detecting present frame as heavily loaded image mode, the processing unit sends second frequency signal to the sequential control circuit；The sequential control circuit receives the first frequency signal and controls signal in next frame with the first working frequency output timing, or the sequential control circuit receives the second frequency signal and exports the timing control signal in next frame with the second working frequency, first working frequency is higher than second working frequency；Data drive circuit and scan drive circuit drive each pixel electrode to work after receiving the timing control signal.The problem of alleviating data drive circuit fever, device temperature raising, keeps the job stability of liquid crystal display, prevents liquid crystal display from damaging.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of image element driving method and pixel driver system.
Background technique
Thin Film Transistor-LCD (Thin Film Transistor-LCD, TFT-LCD) is flown in recent years
It the development of speed and is widely applied, it is widely used in the display equipment of Portable movable electronic product, such as mobile phone, digital phase
The mobile products such as machine, palm PC, GPRS.Panel of LCD is generally formed box by color membrane substrates and array substrate, and two
Liquid crystal layer is packaged in space between a substrate.Array substrate mainly includes scan line, data line and pixel electrode, scan line
It is vertical with data line setting direction, in pixel region made of pixel electrode is formed in scan line and data line staggeredly, pass through scanning
Line signal conduction thin film transistor (TFT), the signal that data line is sent are sent to corresponding pixel electrode by thin film transistor (TFT) and change picture
The bias voltage of plain electrode is to control liquid crystal molecule deflection.The display state of single pixel electrode divides into illuminated state and dark-state,
The pixel electrode that illuminated state is shown is staggered with the pixel electrode that dark-state is shown, data drive circuit is by applying each pixel electrode
Add bias voltage of different sizes to realize that illuminated state is shown to show with dark-state.
In the prior art, on same data line, data drive circuit successively switch output high level and it is low level partially
Set voltage, under heavily loaded picture display mode, the operational amplifier output power consumption of data drive circuit increases, while data-driven electricity
The bias voltage of road output switching frequency between high level and low level is high, and it is excessive to easily lead to data drive circuit fever, if
Standby temperature increases, and influences the job stability of liquid crystal display, or even damage liquid crystal display.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of image element driving method and pixel driver systems, existing to solve
Have in technology under heavily loaded picture display mode, data drive circuit fever is excessive, and device temperature increases, and influences liquid crystal display
Job stability, or even the problem of damage liquid crystal display.
In order to solve the above technical problems, the present invention provides a kind of image element driving method, comprising:
Liquid crystal display is detected in the display pattern of present frame；
When to detect present frame be non-heavily loaded image mode, processing unit sends first frequency signal to timing control electricity
Road；
When detecting present frame as heavily loaded image mode, the processing unit sends second frequency signal to the timing control
Circuit processed；
The sequential control circuit receives the first frequency signal and in next frame with the first working frequency output timing
It controls signal or the sequential control circuit receives the second frequency signal and exports institute in next frame with the second working frequency
Timing control signal is stated, first working frequency is higher than second working frequency；
Data drive circuit and scan drive circuit drive each pixel electrode to work after receiving the timing control signal.
It is further, described that " sequential control circuit receives the first frequency signal and in next frame with the first working frequency
Output timing controls signal or the sequential control circuit receives the second frequency signal and in next frame with the second work frequency
Rate output timing controls signal, and first working frequency is higher than second working frequency " it include: the sequential control circuit
Including drive control functional module, the timing control signal include data latches control signal, frame initial pulse signal and
Line scanning clock signal, the drive control functional module export institute by first working frequency or second working frequency
State data latches control signal, the frame initial pulse signal and the line scanning clock signal.
It is further, described that " data drive circuit and scan drive circuit receive after the timing control signal successively to each
Pixel electrode applies bias voltage " it include: that the scan drive circuit receives the frame initial pulse signal and row scanning
Clock signal and control the pixel electrode and the data drive circuit connect or disconnect state.
It is further, described that " data drive circuit and scan drive circuit receive after the timing control signal successively to each
Pixel electrode applies bias voltage " it include: that the data drive circuit receives the data latches control signal and to described
Pixel electrode applies bias voltage.
Further, described " display pattern of the detecting liquid crystal display in present frame " include: heavily loaded image mode with it is non-heavy
It carries in image mode, system board sends different primary colours data-signals, the display mould of present frame to the sequential control circuit
Formula judges according to the primary colours data-signal.
Further, before described " display pattern of the detecting liquid crystal display in present frame ", the image element driving method is also
It include: the sequential control circuit by first working frequency output timing control signal.
It is further, described that " data drive circuit and scan drive circuit receive after the timing control signal successively to each
Pixel electrode applies bias voltage " after, the image element driving method further include: in each frame picture, all present frame is shown
Show that mode is detected, and when to detect present frame be non-heavily loaded image mode, the sequential control circuit is pressed in next frame
First working frequency exports the timing control signal, when detecting present frame as heavily loaded image mode, the timing control
Circuit processed exports the timing control signal by second working frequency in next frame,.
Further, first working frequency is the integral multiple of second working frequency.
A kind of pixel driver system, the pixel driver system include detecting unit, processing unit, sequential control circuit,
The pixel electrode of data drive circuit, scan drive circuit and array arrangement, the detecting unit are electrically connected the processing unit
And the processing unit is controlled according to the display pattern of the liquid crystal display detected and sends frequency signal to the timing control
Circuit, the sequential control circuit correspond to the working frequency that the frequency signal adjusts output timing control signal, the timing
The output end of control circuit is electrically connected the data drive circuit and the scan drive circuit, the timing control signal control
The data drive circuit, the scan drive circuit drive the pixel electrode work.
Further, the pixel electrode includes the first brightness electrode and the second brightness electrode, and described the first of each row is bright
Degree electrode is successively alternately arranged with the second brightness electrode, the bias voltage of the first brightness electrode and the difference of common voltage
The absolute value of value is bigger than the bias voltage of the second brightness electrode and the absolute value of the difference of the common voltage.
Beneficial effects of the present invention are as follows: the display pattern for the present frame that sequential control circuit is detected according to detecting unit
The working frequency of timing control signal is selected, higher first working frequency of non-heavy duty image mode frequency of use meets to aobvious
Show the requirement of picture fluency；Heavily loaded lower second working frequency of image mode frequency of use, mitigates data drive circuit
Load alleviates the problem of data drive circuit generates heat, device temperature increases, keeps the job stability of liquid crystal display, prevent
Liquid crystal display damage.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other obvious modes of texturing are obtained according to these attached drawings.
Fig. 1 is the flow chart of image element driving method provided in an embodiment of the present invention.
Fig. 2 is the structure chart of pixel driver system provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Pixel electrode is arranged in matrix in array substrate, and data drive circuit connects each column by data line
Pixel electrode, scan drive circuit connect the pixel electrode of every a line by scan line.Specifically, each pixel electrode connects
One thin film transistor (TFT), pixel electrode are connected to the drain electrode of thin film transistor (TFT), and data line connects the source electrode of thin film transistor (TFT), scanning
Line connects the grid of thin film transistor (TFT), and grid voltage of the scan drive circuit by control output to thin film transistor (TFT) changes film
The source electrode of transistor connects or disconnects state, the i.e. on off operating mode of data drive circuit and pixel electrode with drain electrode.Further
, scan drive circuit control be sequentially communicated along the thin film transistor (TFT) of column direction, i.e., data drive circuit along column direction according to
It is secondary to apply bias voltage to each pixel electrode.
Fig. 1 is the flow chart of image element driving method provided in an embodiment of the present invention, as shown, the step of image element driving method
It is rapid as follows:
1, sequential control circuit controls signal with the first working frequency output timing.
Initial frame sequential control circuit is by the first working frequency to data drive circuit and scan drive circuit transmission timing
Control signal.Further, after scan drive circuit receives timing control signal, output high level signal makes thin film transistor (TFT)
Grid voltage be greater than threshold voltage, the source electrode of thin film transistor (TFT) is connected to drain electrode, the working frequency decision of timing control signal
The rate that thin film transistor (TFT) is sequentially communicated on column direction.The working frequency of timing control signal is higher, and the film of every a line is brilliant
The switching rate of body pipe on off operating mode is faster.Data drive circuit receives output voltage signal after timing control signal, same
Moment only has the pixel electrode being connected with thin film transistor (TFT) and receives voltage signal generation bias voltage.Due to single pixel electrode
Display state divide into illuminated state and dark-state, the pixel electrode that illuminated state is shown is staggered with the pixel electrode that dark-state is shown, number
The voltage signal of the switching frequency switching output of scan drive circuit, the working frequency of timing control signal are corresponded to according to driving circuit
Higher, the voltage signal switching rate of data control circuit output is faster.After each pixel electrode is applied bias voltage,
Display panel completes the output of a frame picture, and in the unit time, frame number is more, and the fluency of picture is higher.
Sequential control circuit controls signal in initial frame with the first working frequency output timing, meets smooth to display picture
The requirement of degree.
2, display pattern of the detecting unit detecting liquid crystal display in present frame.
In the present embodiment, detecting unit is worked as according to the primary colours data-signal judgement that system board is sent to sequential control circuit
The display pattern of previous frame.Primary colours data-signal control the display panel output image content, heavily loaded picture display mode with it is non-heavy
The picture material for carrying picture display mode is different, therefore system board sends different primary colours data letters to the sequential control circuit
Number, detecting unit is the display pattern that can determine whether present frame by detecting primary colours data-signal.
The method that detecting unit judges present frame display pattern by detecting primary colours data-signal, display pattern judgement are quasi-
Really, conducive to the subsequent control to timing control signal working frequency.
3, processing unit sends frequency signal to sequential control circuit.
Processing unit receives the detecting result of detecting unit, and makes a response.Specifically, if detecting unit detects currently
Frame is non-heavily loaded image mode, and processing unit sends first frequency signal to sequential control circuit, works as if detecting unit detects
Previous frame is heavily loaded image mode, and processing unit sends second frequency signal to sequential control circuit.Sequential control circuit receives the
After one frequency signal or second frequency signal, according to first frequency signal or second frequency signal behavior to scan drive circuit and
The frequency of data drive circuit transmission timing control signal.
Processing unit sends different frequency signal control sequential control circuits according to the detecting result of detecting unit and works,
Apply bias voltage to pixel electrode according to different frequencies from scan drive circuit for follow-up data driving circuit to prepare.
4, sequential control circuit output timing controls signal.
If sequential control circuit receives first frequency signal, next frame will be with the first working frequency output timing control
Signal processed, if sequential control circuit receives second frequency signal, next frame will be with the second working frequency output timing control
Signal processed.Further, the first working frequency is higher than the second working frequency, and in a kind of embodiment, the first working frequency is the
The integral multiple of two working frequencies, certainly, the first working frequency may not be the integral multiple of the second working frequency.
In the present embodiment, the drive control functional module of sequential control circuit controls signal, timing control for output timing
Signal processed includes data latches control signal, frame initial pulse signal and line scanning clock signal.Sequential control circuit is sent
Data latches control signal to data drive circuit, and data latches control the voltage of signal control data driving circuit output
Signal switches between high level and low level, realize each pixel electrode successively carry out illuminated state show and dark-state show, data lock
The frequency that storage controls signal is bigger, and the high level and low level switching rate of data drive circuit output are faster；Timing control
Circuit sends frame initial pulse signal to scan drive circuit, and frame initial pulse signal is the initial signal of each frame picture, defeated
A frame initial pulse signal means the beginning of a frame picture out, and the frequency of frame initial pulse signal is bigger, in the same time
Picture frame number it is more；Sequential control circuit sends line scanning clock signal to scan drive circuit, line scanning clock signal control
The gate switch state of single thin film transistor (TFT) is made, the frequency of line scanning clock signal is bigger, the switch shape of each thin film transistor (TFT)
State switching rate is faster.
Further, data latches control signal, frame initial pulse signal and line scanning clock signal synchronism output, sweep
While retouching driving circuit and be sequentially communicated every a line thin film transistor (TFT), data drive circuit switching successively high level with it is low level
Output.
Under non-heavy duty image mode, sequential control circuit keeps exporting each timing control signal with the first working frequency, full
Requirement of the foot to display picture fluency；Under heavily loaded image mode, sequential control circuit is with lower second working frequency of frequency
Each timing control signal is exported, the load of data drive circuit is mitigated, the fever of alleviation data drive circuit, device temperature are raised
Problem keeps the job stability of liquid crystal display, prevents liquid crystal display from damaging.
5, data drive circuit and scan drive circuit drive each pixel electrode work.
The picture that liquid crystal display is shown enters next frame, and scan drive circuit receives frame initial pulse signal and row is swept
After retouching clock signal, controls each thin film transistor (TFT) and in turn switched on along matrix column direction；Data drive circuit receives data lock
After storage controls signal, the connection order of corresponding thin film transistor (TFT) applies bias voltage to pixel electrode along column direction.Timing control
Data latches control signal, frame initial pulse signal and the line scanning clock signal frequency that circuit processed is sent by the second working frequency
Rate is smaller with respect to the first working frequency, the voltage signal of data drive circuit output switching rate between high level and low level
Lower, the calorific value of data drive circuit is smaller.Under heavily loaded image mode, operational amplifier makes to count since workload increases
Increase according to driving circuit calorific value, timing control signal is exported according to lower second working frequency of frequency, data drive circuit
Switching the heat that voltage signal generates reduces, and the total amount of heat that data drive circuit work generates obtains opposite reduction, equipment work
Make stability promotion.
In the present embodiment, each frame shows in picture that detecting unit detects the display pattern of present frame, and according to detecting
As a result the working frequency of the timing control signal of next frame is controlled.For example, it is assumed that present frame is nth frame, detecting unit detects N
The display pattern of frame controls the working frequency of the timing control signal of N+1 frame according to detecting result；Show that picture enters N+
1 frame, i.e. present frame are N+1 frame, and detecting unit detects the display pattern of N+1 frame, control N+2 frame according to detecting result
The working frequency of timing control signal recycles progress with this.
The work of the display pattern selection timing control signal for the present frame that sequential control circuit is detected according to detecting unit
Working frequency, higher first working frequency of non-heavy duty image mode frequency of use, meets the requirement to display picture fluency；Weight
Lower second working frequency of image mode frequency of use is carried, the load of data drive circuit is mitigated, alleviates data drive circuit
The problem of fever, device temperature increase, keeps the job stability of liquid crystal display, prevents liquid crystal display from damaging.
Fig. 2 is the structure chart of pixel driver system provided in an embodiment of the present invention, as shown, pixel driver system includes
Detecting unit 10, processing unit 20, sequential control circuit 30, data drive circuit 40, scan drive circuit 50 and array arrangement
Multiple pixel electrodes 60, detecting unit 10 is electrically connected processing unit 20 and according to the display pattern of liquid crystal display detected
It controls processing unit 20 and sends frequency signal to sequential control circuit 30,30 respective frequencies Signal Regulation of sequential control circuit is sent
The working frequency of timing control signal, the output end electrical connection data drive circuit 40 and turntable driving electricity of sequential control circuit 30
Road 50, timing control signal control data drive circuit 40, the work of 50 driving pixel electrode 60 of scan drive circuit.
In the present embodiment, when display pattern is non-heavily loaded image mode, processing unit 20 exports first frequency signal, display
When mode is heavily loaded image mode, processing unit 20 exports second frequency signal.Further, sequential control circuit 30 receives
After first frequency signal, signal is controlled according to the first working frequency output timing or sequential control circuit 30 receives second
After frequency signal, signal is controlled according to the second working frequency output timing, specifically, the first working frequency is lower than the second work frequency
Rate, in a kind of embodiment, the first working frequency is the integral multiple of the second working frequency, and certainly, the first working frequency can also be with
It is not the integral multiple of the second working frequency.
In the present embodiment, pixel electrode 60 includes the first brightness electrode 602 and the second brightness electrode 604, on column direction
First brightness electrode 602 is successively arranged alternately with the second brightness electrode 604, the first brightness electrode 602 and second on line direction
Brightness electrode 604 is successively arranged alternately, and the absolute value of the difference of the bias voltage and common voltage of the first brightness electrode 602 is than
The absolute value of the difference of the bias voltage and common voltage of two brightness electrodes 604 is big, and data drive circuit 40 is electric to the first brightness
The voltage signal that pole 602 exports is high level signal, and high level signal shows 602 illuminated state of the first brightness electrode, bright to second
Spending the voltage signal that electrode 604 exports is low level signal, and low level signal shows 604 dark-state of the second brightness electrode.
The display pattern for the present frame that sequential control circuit 30 is detected according to detecting unit 10 selects timing control signal
Working frequency, non-heavy duty image mode frequency of use higher first working frequency meets and wants to display picture fluency
It asks；Heavily loaded lower second working frequency of image mode frequency of use mitigates the load of data drive circuit 40, alleviates data and drives
The problem of dynamic fever of circuit 40, device temperature increase, keeps the job stability of liquid crystal display, prevents liquid crystal display from damaging
It is bad.
Above disclosed is only several preferred embodiments of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and weighs according to the present invention
Benefit requires made equivalent variations, still belongs to the scope covered by the invention.
Claims (8)
1. a kind of image element driving method characterized by comprising
Liquid crystal display is detected in the display pattern of present frame；
When to detect present frame be non-heavily loaded image mode, processing unit sends first frequency signal to sequential control circuit；
When detecting present frame as heavily loaded image mode, the processing unit sends second frequency signal to the timing control electricity
Road；
The sequential control circuit is received the first frequency signal and is controlled in next frame with the first working frequency output timing
Signal or the sequential control circuit receive the second frequency signal and when next frame are described with the output of the second working frequency
Sequence control signal, first working frequency are higher than second working frequency；
Data drive circuit and scan drive circuit drive each pixel electrode to work after receiving the timing control signal.
2. image element driving method according to claim 1, which is characterized in that described " sequential control circuit receives described the
One frequency signal is simultaneously controlled described in signal or sequential control circuit reception in next frame with the first working frequency output timing
Second frequency signal simultaneously controls signal in next frame with the second working frequency output timing, and first working frequency is higher than described
Second working frequency " includes: that the sequential control circuit includes drive control functional module, and the timing control signal includes number
According to latch-control signal, frame initial pulse signal and line scanning clock signal, the drive control functional module is by described the
One working frequency or second working frequency export the data latches control signal, the frame initial pulse signal and institute
State line scanning clock signal.
3. image element driving method according to claim 2, which is characterized in that " data drive circuit and the turntable driving
Circuit drives each pixel electrode to work after receiving the timing control signal " it include: that the scan drive circuit receives the frame
Initial pulse signal and the line scanning clock signal and control the pixel electrode and the data drive circuit connection or
Off-state.
4. image element driving method according to claim 3, which is characterized in that " data drive circuit and the turntable driving
Circuit drives each pixel electrode to work after receiving the timing control signal " it include: that the data drive circuit receives the number
Apply bias voltage according to latch-control signal and to the pixel electrode.
5. image element driving method according to claim 1, which is characterized in that described " detecting liquid crystal display is in present frame
Display pattern " include: in heavily loaded image mode and non-heavily loaded image mode, system board is sent to the sequential control circuit
The display pattern of different primary colours data-signals, present frame judges according to the primary colours data-signal.
6. image element driving method according to claim 1, which is characterized in that described " detecting liquid crystal display is in present frame
Display pattern " before, the image element driving method further include: the sequential control circuit by first working frequency export
The timing control signal.
7. image element driving method according to claim 1, which is characterized in that " data drive circuit and the turntable driving
Circuit drives each pixel electrode to work after receiving the timing control signal " after, the image element driving method further include: each
In frame picture, all the display pattern of present frame is detected, and when to detect present frame be non-heavily loaded image mode, it is described
Sequential control circuit exports the timing control signal by first working frequency in next frame, detects present frame as heavy duty
When image mode, the sequential control circuit exports the timing control signal by second working frequency in next frame.
8. image element driving method according to claim 1, which is characterized in that first working frequency is second work
The integral multiple of working frequency.
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| CN201610820829.5A CN106128407B (en) | 2016-09-13 | 2016-09-13 | Image element driving method and pixel driver system |
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| CN106782421B (en) * | 2017-03-10 | 2019-08-13 | 深圳市华星光电技术有限公司 | Image element driving method and device |
| CN106710563A (en) * | 2017-03-20 | 2017-05-24 | 深圳市华星光电技术有限公司 | Driving method for display panel, time sequence controller and liquid crystal display |
| CN107256693A (en) * | 2017-08-17 | 2017-10-17 | 京东方科技集团股份有限公司 | Display methods, display panel and display device |
| TWI657423B (en) * | 2018-04-23 | 2019-04-21 | 奇景光電股份有限公司 | Timing controller and temperature management method for display panel driver |
| CN109360534B (en) * | 2018-11-30 | 2020-04-10 | 深圳市华星光电半导体显示技术有限公司 | Pixel driving method |
| CN109493780B (en) * | 2018-11-30 | 2020-08-04 | 深圳市华星光电半导体显示技术有限公司 | Display panel driving method |
| CN110021274B (en) * | 2019-04-30 | 2021-03-23 | Tcl华星光电技术有限公司 | Display panel driving system and display panel driving method |
| CN110782854B (en) * | 2019-10-08 | 2020-09-08 | 深圳市华星光电半导体显示技术有限公司 | Electronic equipment and reading mode identification method thereof |
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