CN109473077A - A kind of driving method of display panel, system and display device - Google Patents
A kind of driving method of display panel, system and display device Download PDFInfo
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- CN109473077A CN109473077A CN201811589919.3A CN201811589919A CN109473077A CN 109473077 A CN109473077 A CN 109473077A CN 201811589919 A CN201811589919 A CN 201811589919A CN 109473077 A CN109473077 A CN 109473077A
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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
-
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
Abstract
The embodiment of the present application provides driving method, system and the display device of a kind of display panel, which comprises when current control signal drives display panel, obtains the display information of display panel multiple regions；Judge whether the display information of display panel multiple regions meets predetermined luminance difference standard and default color standard；If the display information between the multiple regions of display panel is unsatisfactory for set luminance difference standard and default color standard, current control signal is then adjusted according to display information, to obtain the control signal for making to show that information meets predetermined luminance difference standard and default color standard；It realizes to the adjustment of the display effect of display device, reaches optimal display effect；The cost for saving manpower and time, improves production efficiency, ensure that the timely release of product.
Description
Technical field
The embodiment of the present application belongs to field of display technology more particularly to a kind of driving method of display panel, system and shows
Showing device.
Background technique
With the continuous development of science and technology, the various liquid crystal displays such as LCD TV, liquid crystal display are constantly universal,
It is widely used in that house, market, office building etc. are various to need to carry out the place that information is shown, is brought for people's production and life life
Convenience.Display effect directly affects the visual effect for showing information, also directly affects the visual problems for watching people.
However, present successive generations of products is getting faster, currently in order to ensuring the Showing Effectiveness On Screen of equipment, usually need
To be differentiated and be identified by parameter of the human eye to display effect, for example whether picture or so region is uniform, picture is excessively
It is no smooth etc., display effect will be debugged in product development stage, so as to cause staff's working efficiency it is low and
There is subjective difference in display effect；Also there is the tables of data by adjusting display panel different zones to carry out at present bright
The adjusting for spending uniformity has that adjustable range limits to and influences to show coloration.
Summary of the invention
The embodiment of the present application provides driving method, system and the display device of a kind of display panel, it is intended to solution be at present
Ensure the Showing Effectiveness On Screen of equipment, it usually needs differentiated and identified by parameter of the human eye to display effect, cause
Staff's working efficiency is low and display effect has subjective difference, by adjusting display panel different zones
Tables of data carry out brightness uniformity adjusting, there are problems that adjustable range limit to and influence screen display coloration.
The embodiment of the present application provides a kind of driving method of display panel, comprising:
When current control signal drives display panel, the display information of display panel multiple regions is obtained；
Judge whether the display information of display panel multiple regions meets predetermined luminance difference standard and default color standard；
If the display information between the multiple regions of display panel is unsatisfactory for the predetermined luminance difference standard and described pre-
If color standard, then the current control signal is adjusted according to the display information, presets display information satisfaction with acquisition bright
Spend the control signal of poor standard and default color standard.
In one embodiment, the driving method of the display panel, further includes:
If whether the display information of display panel multiple regions meets predetermined luminance difference standard and default color standard,
Save the current control signal.
In one embodiment, the first display information and the second display information include luminance information and coloration letter
Breath, the preset condition include predetermined luminance difference standard value and default color standard, and the current control signal includes current bright
Degree control signal and current chroma control signal.
In one embodiment, when current control signal drives display panel, the aobvious of display panel multiple regions is obtained
Show information, comprising:
The display panel is driven by present intensity control signal, acquires the brightness letter of the display panel multiple regions
Breath；
The display panel is driven by current chroma control information, acquires the coloration letter of the display panel multiple regions
Breath.
In one embodiment, if to be unsatisfactory for the predetermined luminance poor for the display information between the multiple regions of display panel
Standard and the default color standard then adjust the current control signal according to the display information, make to show to obtain
Information meets the control signal of predetermined luminance difference standard and default color standard, comprising:
If the luminance difference between the multiple region is not in predetermined luminance difference critical field, according between multiple regions
Luminance difference setting charging timing, adjust present intensity control signal, the brightness control signal by adjusting after drives institute
State display panel；
If the chromatic value of the different grayscale in the multiple region does not meet the default color standard, according to different grayscale
Chromatic value setting three primary colours proportion, adjust the current chroma adjustment signal, the control signal driving of coloration by adjusting after
The display panel.
In one embodiment, the adjusting method further include:
If driving the display panel by control signal adjusted, the display information of display panel different zones meets institute
Predetermined luminance difference standard and the default color standard are stated, then saves control signal adjusted.
In one embodiment, the adjusting method further include:
The luminance information for obtaining the different zones of present intensity control signal driving display panel, judges the luminance information
Whether in predetermined luminance difference critical field；
If the luminance information not in the predetermined luminance difference critical field, adjusts the present intensity control letter
Number, the brightness control signal by adjusting after drives the display panel；
If driving the display panel by brightness control signal adjusted, the luminance information of display panel different zones exists
Within the scope of the predetermined luminance standard deviation, then the corresponding chrominance information of the display panel difference grayscale is obtained, judges the color
Whether degree information meets default color standard；
If the chrominance information does not meet the default color standard, current chroma control signal is adjusted, by adjusting
Coloration control signal afterwards drives the display panel；
If driving the display panel by coloration adjusted control signal, display panel is not having to the corresponding coloration of grayscale
Information meets the default color standard, then saves brightness control signal and coloration adjusted control signal after adjustment.
The embodiment of the present application also provides a kind of drive system of display panel, comprising:
Information acquisition device is set as obtaining display panel multiple regions when current control signal drives display panel
Show information；
Message handler is set as judging whether the display information of display panel multiple regions meets predetermined luminance difference standard
And default color standard；
Control regulator, if the display information being set as between the multiple regions of display panel is unsatisfactory for the predetermined luminance
Poor standard and the default color standard then adjust the current control signal according to the display information, make to show to obtain
Show that information meets the control signal of predetermined luminance difference standard and default color standard.
In one embodiment, the information acquisition device includes:
First Acquisition Circuit is set as controlling the signal driving display panel by present intensity, acquires the display surface
The luminance information of plate multiple regions；
Second Acquisition Circuit is set as controlling the information driving display panel by current chroma, acquires the display surface
The chrominance information of plate multiple regions；
The message handler includes:
Whether the first processing circuit is set as judging the luminance difference between display panel multiple regions in the predetermined luminance
In poor critical field；
Second processing circuit, is set as judging whether the corresponding chromatic value of different grayscale of display panel multiple regions meets
The default color standard；
The control regulator includes:
First adjusts circuit, if the luminance difference being set as between the multiple region is not in predetermined luminance difference critical field
It is interior, then according to the luminance difference setting charging timing between multiple regions, the present intensity control signal is adjusted, by adjusting rear
Brightness control signal drive the display panel；
Second adjusts circuit, if the chromatic value for being set as the different grayscale in the multiple region does not meet the default coloration
Standard then sets three primary colours proportion according to the chromatic value of different grayscale, the current chroma adjustment signal is adjusted, by adjusting rear
Coloration control signal drive the display panel.
The embodiment of the present application also provides a kind of display device, including display panel, memory, processor and is stored in institute
The computer program that can be run in memory and on the processor is stated, the processor executes real when the computer program
The step of driving method of existing above-mentioned display panel.
The embodiment of the application additionally provides a kind of computer readable storage medium, the computer readable storage medium
The step of being stored with computer program, the above method realized when the computer program is executed by processor.
The embodiment of the present application, by obtaining display panel multiple regions when current control signal drives display panel
Show information；Judge whether the display information of display panel multiple regions meets predetermined luminance difference standard and default color scale
It is quasi-；If the display information between the multiple regions of display panel is unsatisfactory for set luminance difference standard and default color standard,
Current control signal is adjusted according to display information, makes to show that information meets predetermined luminance difference standard and default color scale to obtain
Quasi- control signal；The adjustment to the display effect of display panel may be implemented, driving display panel reaches optimal display effect
Fruit；The cost for saving manpower and time, improves production efficiency, ensure that the timely release of product.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present application, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the flow chart of the adjusting method for the display device that one embodiment of the application provides；
Fig. 2 is the waveform diagram that the charging timing that another embodiment of the application provides is adjusted；
Fig. 3 is the flow chart of the driving method for the display device that another embodiment of the application provides；
Fig. 4 is the structural schematic diagram of the regulating system for the display device that one embodiment of the application provides；
Fig. 5 is the structural schematic diagram of the regulating system for the display device that the further embodiment of the application provides；
Fig. 6 is the structural schematic diagram for the display device that one embodiment of the application provides.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are explicitly described, it is clear that described embodiment is the application one
The embodiment divided, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present application.
The description and claims of this application and term " includes " and their any deformations in above-mentioned attached drawing, meaning
Figure, which is to cover, non-exclusive includes.Such as process, method or system comprising a series of steps or units, product or equipment do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " second " and
" third " etc. is for distinguishing different objects, not for description particular order.
As shown in Figure 1, one embodiment of the application provides a kind of adjusting method of display device, it is applied to display dress
Set, display device includes control module, drive module and display panel, and control module is connect with drive module, drive module with
Display panel connection.
In one embodiment, control module can specifically pass through universal integrated circuit, such as CPU (Central
Processing Unit, central processing unit), or pass through ASIC (Application Specific Integrated
Circuit, specific integrated circuit) Lai Shixian.Control module is also possible to screen driving plate (TCON, the Timing of display device
Controller)。
In one embodiment, drive module, which can be arbitrary, carries out driving function with the pixel to display panel
Random devices or circuit, for example, source driving chip (Source Driver IC), grid drive chip (Gate Drive
) or film source driving chip (S-COF, Source-Chip on Film) etc. IC.
In one embodiment, display panel can be any type of display panel, such as based on TFT-LCD (Thin
Film Transistor Liquid Crystal Display, Thin Film Transistor-LCD) technology LCD display
Plate, is based on OLED at the liquid crystal display panel based on LCD (Liquid Crystal Display, liquid crystal display device) technology
The Organic Electricity laser display panel of (Organic Electro Luminesence Display, Organic Electricity laser display) technology,
Quantum dot light emitting based on QLED (Quantum Dot Light Emitting Diodes, light emitting diode with quantum dots) technology
Diode display panel or curved face display panel etc..
The driving method includes:
Step S10: when current control signal drives display panel, the display information of display panel multiple regions is obtained.
In a particular application, acquired display information is the display information of the multiple regions of entire display panel, according to
The different sizes of display panel, are arranged multiple and different regions, acquire display information to entire display panel subregion.Display letter
Breath may include the luminance information and chrominance information of display panel different zones, current control signal include brightness control signal and
Coloration controls signal.
In one embodiment, after collecting display information, digitized processing is carried out to display information, obtains display information
Corresponding digital information.
In one embodiment, the full frame display information of display device can be acquired by filming apparatus, also can control
The display information of filming apparatus subregion acquisition display panel or the drive module of display panel directly acquire display panel not
With the display information in region；Filming apparatus can be charge-coupled device (Charge Coupled Device, CCD) camera；It will
It shows that information is transmitted to controller by wired or wireless mode, such as general-purpose serial bus USB interface or height can be passed through
Definition multimedia interface HDMI is transmitted to controller；Controller is terminal having data processing function, such as PC
PC etc.；Controller carries out digitized processing to the display information of acquisition and extracts data file, and according to data file to display
The uniformity of information is determined with fluency.
In one embodiment, when current control signal drives display panel, the aobvious of display panel multiple regions is obtained
Show information, comprising:
The display panel is driven by present intensity control signal, acquires the brightness letter of the display panel multiple regions
Breath；
The display panel is driven by current chroma control information, acquires the coloration letter of the display panel multiple regions
Breath.
In one embodiment, the current control signal includes present intensity control signal and current chroma control letter
Number；Show that information includes luminance information and chrominance information.
Step S20, judges whether the display information of display panel multiple regions meets predetermined luminance difference standard and preset
Color standard.
In one embodiment, display information includes luminance information and chrominance information；Luminance difference standard is for not same district
The parameter of the luminance difference setting in domain, the uniformity shown for determining the brightness of display panel；It can be according to display panel
Size set a parameter, by obtain multiple regions display information, to multiple and different regions identical backlight lamp group with
And the display information under the driving of control signal is determined, if the luminance difference between different zones is more than the parameter of setting,
Indicate that the display of display panel is uneven；Default color standard is color set for display panel, under different grayscale
Reference value is spent, the chrominance information of display panel can be obtained with subregion, also the chrominance information of available entire display panel, if
Display panel has exceeded default color standard in the corresponding chrominance information of a certain grayscale, then illustrating the tone of display panel, there are different
It is often or not that best coloration is shown.
In one embodiment, judge the display information of display panel multiple regions whether meet predetermined luminance difference standard with
And default color standard, comprising:
Judge the luminance difference between display panel multiple regions whether in the predetermined luminance difference critical field；
Judge whether the corresponding chromatic value of different grayscale of display panel multiple regions meets the default color standard.
Step S30, if the display information between the multiple regions of display panel be unsatisfactory for the predetermined luminance difference standard with
And the default color standard, then the current control signal is adjusted according to the display information, makes to show that information is full to obtain
The control signal of sufficient predetermined luminance difference standard and default color standard.
In one embodiment, if the luminance difference between different zones is more than predetermined luminance difference standard, if display panel exists
The corresponding chrominance information of a certain grayscale has exceeded default color standard, then it represents that the display of display panel is uneven and coloration not
It is good, it needs to be adjusted the control signal of display panel according to specific display information, the control signal by adjusting after drives
Dynamic display panel, to obtain the display information for meeting predetermined luminance difference standard and default color standard.
In one embodiment, general-purpose serial bus USB or two-way string are passed through by the control module of display panel or the end PC
Control signal adjusted is transmitted to drive module by row bus IIC, to drive display panel to show.
In one embodiment, if to be unsatisfactory for the predetermined luminance poor for the display information between the multiple regions of display panel
Standard and the default color standard then adjust the current control signal according to the display information, make to show to obtain
Information meets the control signal of predetermined luminance difference standard and default color standard, comprising:
If the luminance difference between the multiple region is not in predetermined luminance difference critical field, according between multiple regions
Luminance difference setting charging timing, adjust present intensity control signal, the brightness control signal by adjusting after drives institute
State display panel；
If the chromatic value of the different grayscale in the multiple region does not meet the default color standard, according to different grayscale
Chromatic value setting three primary colours proportion, adjust the current chroma adjustment signal, the control signal driving of coloration by adjusting after
The display panel.
In one embodiment, if the difference of the luminance information of display panel different zones is more than predetermined luminance difference standard,
According to the charging timing of the luminance difference setting display panel between multiple regions, setting charging timing tune changes thin film transistor (TFT)
Effective charging time of TFT source electrode, mainly to disappear angle time and gate voltage signal and the source electrode electricity of TFT gate voltage waveform
Press the adjusting of the relative time delay time of signal；The waveform diagram that charging timing as shown in Figure 2 is adjusted, Gate gate signal are to beat
The driving signal of TFT is opened, gate signal, which exists, to disappear the angle time；Date is the practical charging voltage waveform of TFT, the waveform of Gate gate signal
There are relative time delay time delay with the TFT practical charging time；Liquid crystal display panel is within the time that TFT is opened to data line Date
Source electrode charge, TFT as shown in Figure 2 effective charging time；It is remote apart from drive module since liquid crystal display panel size is bigger
The charging effect difference of nearly different TFT is bigger, causes the brightness of display panel to show unevenly, changes the relative time delay time
Delay changes disappearing the angle time for gate signal Gate, that is, effective charging time of TFT is adjusted, so as to adjust apart from drive module
The adjusting to entire display panel brightness is realized in the brightness of far and near different zones.
In one embodiment, the driving letter in the TFT charging time corresponding with the data line angle time that disappears of gate signal waveform
Number setting be that setting is adjusted for entire display panel, not just for every one-row pixels or each column picture
Element；The setting value of one group of optimal driving signal is found by the adjustment of parameter.
In one embodiment, it if luminance information adjusted is in predetermined luminance difference critical field, obtains entire aobvious
Show the chrominance information of panel or display panel multiple regions in different grayscale.By the luminance information to entire display panel
After the adjustment for carrying out uniformity, setting different zones can not had to and obtain chrominance information, it can also be to the color of entire display panel
Degree information is determined.
In one embodiment, chrominance information of the display panel under different grayscale is obtained, if one of grayscale is corresponding
Chrominance information have exceeded the corresponding default color standard of the grayscale, then adjust the grayscale corresponding coloration control signal.Adjustment
It is the specific proportion that RGB RGB three primary colours in pixel are arranged according to chrominance information, different color standards that coloration, which controls signal,
Corresponding different RGB numerical value proportion.Driving signal adjusted is exported to drive module by control module, drives display panel
Display acquires the chrominance information of display panel again, determines chrominance information；By repeatedly recycle acquisition to chrominance information,
Determine, adjustment, signal is controlled to obtain the best coloration of the default color standard of satisfaction, so that meeting display panel shows picture
Coloration is transitional smoothing in different grayscale.
In one embodiment, grayscale gradient can be set according to the size of display panel, can take 6 grayscale or
16 grayscale obtain the different chrominance information of display panel respectively, and adjust coloration driving signal according to chrominance information.
In one embodiment, the driving method of the display panel, further includes:
If whether the display information of display panel multiple regions meets predetermined luminance difference standard and default color standard,
Save the current control signal.
In one embodiment, current control signal is saved and by current control signal burning into the memory of drive module
In；Wherein, current control signal includes present intensity control signal and current chroma control signal.
In one embodiment, the driving method of the display panel, further includes:
If driving the display panel by control signal adjusted, the display information of display panel different zones meets institute
Predetermined luminance difference standard and the default color standard are stated, then saves control signal adjusted.
In one embodiment, control signal adjusted drives display panel, makes the uniformity and stream that show picture
Journey reaches optimum state, and control signal adjusted is stored and is burned onto the memory of drive module；After wherein adjusting
Signal include luminance signal adjusted and carrier chrominance signal adjusted.Each step controlled in the adjustment process of signal can be with
Software program is performed by control module to realize.
The present embodiment is by the way that when current control signal drives display panel, the display for obtaining display panel multiple regions is believed
Breath；Judge whether the display information of display panel multiple regions meets predetermined luminance difference standard and default color standard；If aobvious
Show that the display information between the multiple regions of panel is unsatisfactory for predetermined luminance difference standard and default color standard, then according to
It shows that information adjusts current control signal, makes to show that information meets predetermined luminance difference standard and default color standard to obtain
Control signal；The adjustment to the display effect of display panel may be implemented, driving display panel reaches optimal display effect；Section
The cost for having saved manpower and time, improves production efficiency, ensure that the timely release of product.
As shown in figure 3, in one embodiment of the application, the driving method of the display panel further include:
Step S301 obtains the luminance information of the different zones of present intensity control signal driving display panel, judges institute
Luminance information is stated whether in predetermined luminance difference critical field；
Step S302, if the luminance information not in the predetermined luminance difference critical field, adjust it is described current bright
Degree control signal, the brightness control signal by adjusting after drive the display panel；
Step S303, if driving the display panel by brightness control signal adjusted, display panel different zones
Luminance information then obtains the corresponding chrominance information of the display panel difference grayscale within the scope of the predetermined luminance standard deviation,
Judge whether the chrominance information meets default color standard；
Step S304 adjusts current chroma control signal if the chrominance information does not meet the default color standard,
Coloration control signal by adjusting after drives the display panel；
Step S305, if driving the display panel by coloration adjusted control signal, display panel is not having to grayscale
Corresponding chrominance information meets the default color standard, then saves brightness control signal and coloration adjusted control after adjustment
Signal.
In one embodiment, the brightness uniformity that can first adjust display panel passes through circulation adjustment brightness control letter
Number and luminance information after adjustment is determined, so that the display brightness of display panel is reached optimal display result；If display panel
Uniform display does not just have to the acquisition chrominance information in domain of rezoning,
In one embodiment, the luminance information of available display panel and the uniformity of luminance information is sentenced
It is fixed, the luminance information of the different zones of display panel can be specifically acquired, according to the luminance information of the different zones of display panel
Difference determines the luminance difference of different zones whether in predetermined luminance difference critical field, and judging that the brightness of display panel is shown is
It is no uniform.If the luminance difference of different zones, in predetermined luminance difference standard value range, the brightness of screen is shown uniformly, then into
One step obtains chrominance information of the display panel in different grayscale, and determines whether chrominance information meets default color standard, color
Spend the proportion information that information is pixel three primary colours RGB RGB；If the chrominance information of display panel meets default color standard, say
The display information of the display device of bright current control signal driving is all satisfied preset requirement, then saves current control signal, and will
Current control signal burning is into the memory of drive module.
In one embodiment, the chrominance information of simultaneously judging/displaying device can also be obtained with first partition domain, then display is filled
The luminance information set carries out the judgement of uniformity.
As shown in figure 4, one embodiment of the application provides a kind of drive system 100 of display panel, for executing Fig. 1
Method and step in corresponding embodiment of the method, the regulating system 100 include:
Information acquisition device 10 is set as obtaining display panel multiple regions when current control signal drives display panel
Display information；
Message handler 20 is set as judging whether the display information of display panel multiple regions meets predetermined luminance difference mark
Quasi- and default color standard；
Control regulator 30, if the display information being set as between the multiple regions of display panel be unsatisfactory for it is described preset it is bright
Poor standard and the default color standard are spent, then the current control signal is adjusted according to the display information, is made with obtaining
Display information meets the control signal of predetermined luminance difference standard and default color standard.
In one embodiment, as shown in figure 5, the information acquisition device includes:
First Acquisition Circuit 101 is set as controlling the signal driving display panel by present intensity, acquires the display
The luminance information of panel multiple regions；
Second Acquisition Circuit 102 is set as controlling the information driving display panel by current chroma, acquires the display
The chrominance information of panel multiple regions；
The message handler includes:
Whether the first processing circuit 201 is set as judging the luminance difference between display panel multiple regions described default
In luminance difference critical field；
Second processing circuit 202, be set as judging display panel multiple regions the corresponding chromatic value of different grayscale whether
Meet the default color standard；
The control regulator includes:
First adjusts circuit 301, if the luminance difference being set as between the multiple region is not in predetermined luminance difference standard model
In enclosing, then according to the luminance difference setting charging timing between multiple regions, the present intensity control signal is adjusted, by adjusting
Brightness control signal afterwards drives the display panel；
Second adjusts circuit 302, if the chromatic value for being set as the different grayscale in the multiple region does not meet described preset
Color standard then sets three primary colours proportion according to the chromatic value of different grayscale, adjusts the current chroma adjustment signal, pass through tune
Coloration control signal after whole drives the display panel.
Through this embodiment, the adjustment to the display effect of display panel may be implemented, make the display area of display panel
Brightness uniformity, picture transitions smooth；Driving display panel reaches optimal display effect；The cost of manpower and time are saved,
Production efficiency is improved, ensure that the timely release of product.
As shown in fig. 6, one embodiment of the application provides a kind of display device 60 comprising: display panel 1, processing
Device 600, memory 601 and it is stored in the computer program that can be run in the memory 601 and on the processor 600
602.The processor 600 is realized when executing the computer program 602 in above-mentioned each display efficiency measurement method embodiment
The step of, such as step 10 shown in FIG. 1 is to 30.Alternatively, realization when the processor 600 executes the computer program 602
The function of each module/unit in above-mentioned each Installation practice, such as the function of module 10 to 30 shown in Fig. 4.
Illustratively, the computer program 602 can be divided into one or more module/units, it is one or
Multiple module/the units of person are stored in the memory 601, and are executed by the processor 600, to complete the present invention.Institute
Stating one or more module/units can be the series of computation machine program instruction section that can complete specific function, the instruction segment
For describing implementation procedure of the computer program 602 in the display device 60.For example, the computer program 602
Information acquisition device, message handler, control regulator can be divided into, each device concrete function is as follows:
Information acquisition device is set as obtaining display panel multiple regions when current control signal drives display panel
Show information；
Message handler is set as judging whether the display information of display panel multiple regions meets predetermined luminance difference standard
And default color standard；
Control regulator, if the display information being set as between the multiple regions of display panel is unsatisfactory for the predetermined luminance
Poor standard and the default color standard then adjust the current control signal according to the display information, make to show to obtain
Show that information meets the control signal of predetermined luminance difference standard and default color standard.
The display device may include, but be not limited only to, processor 600, memory 601.Those skilled in the art can be with
Understand, Fig. 6 is only the example of display device 60, does not constitute the restriction to display device 60, may include more than illustrating
Or less component, certain components or different components are perhaps combined, such as the display device 60 can also include input
Output equipment, network access equipment, bus etc..
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within mind and principle.
Claims (10)
1. a kind of driving method of display panel characterized by comprising
When current control signal drives display panel, the display information of display panel multiple regions is obtained；
Judge whether the display information of display panel multiple regions meets predetermined luminance difference standard and default color standard；
If the display information between the multiple regions of display panel is unsatisfactory for the predetermined luminance difference standard and the default color
Scale is quasi-, then adjusts the current control signal according to the display information, with obtain make display information meet it is described preset it is bright
Spend the control signal of poor standard and the default color standard.
2. the driving method of display panel as described in claim 1, which is characterized in that further include:
If whether the display information of display panel multiple regions meets predetermined luminance difference standard and default color standard, save
The current control signal.
3. the driving method of display panel as described in claim 1, which is characterized in that drive display surface in current control signal
When plate, the display information of display panel multiple regions is obtained, comprising:
The display panel is driven by present intensity control signal, acquires the luminance information of the display panel multiple regions；
The display panel is driven by current chroma control information, acquires the chrominance information of the display panel multiple regions.
4. the driving method of display panel as claimed in claim 3, which is characterized in that judge the aobvious of display panel multiple regions
Show whether information meets predetermined luminance difference standard and default color standard, comprising:
Judge the luminance difference between display panel multiple regions whether in the predetermined luminance difference critical field；
Judge whether the corresponding chromatic value of different grayscale of display panel multiple regions meets the default color standard.
5. the driving method of display panel as claimed in claim 4, which is characterized in that if between the multiple regions of display panel
Display information be unsatisfactory for the predetermined luminance difference standard and the default color standard, then according to the display information adjust
The current control signal makes to show that information meets the control letter of predetermined luminance difference standard and default color standard to obtain
Number, comprising:
If the luminance difference between the multiple region is not in predetermined luminance difference critical field, according to bright between multiple regions
Degree difference setting charging timing, adjusts the present intensity control signal, the brightness control signal driving by adjusting after is described aobvious
Show panel；
If the chromatic value of the different grayscale in the multiple region does not meet the default color standard, according to the color of different grayscale
Angle value sets three primary colours proportion, adjusts the current chroma adjustment signal, described in the coloration control signal driving by adjusting after
Display panel.
6. the driving method of any display panel as described in claim 1, which is characterized in that further include:
If driving the display panel by control signal adjusted, the display information of display panel different zones meets described pre-
If luminance difference standard and the default color standard, then save control signal adjusted.
7. the driving method of any display panel as described in claim 1-6 characterized by comprising
Whether the luminance information for obtaining the different zones of present intensity control signal driving display panel, judge the luminance information
In predetermined luminance difference critical field；
If the luminance information not in the predetermined luminance difference critical field, adjusts the present intensity control signal, lead to
It crosses brightness control signal adjusted and drives the display panel；
If driving the display panel by brightness control signal adjusted, the luminance information of display panel different zones is described
Within the scope of predetermined luminance standard deviation, then the corresponding chrominance information of the display panel difference grayscale is obtained, judges the coloration letter
Whether breath meets default color standard；
If the chrominance information does not meet the default color standard, current chroma control signal is adjusted, by adjusting after
Coloration controls signal and drives the display panel；
If driving the display panel by coloration adjusted control signal, display panel is not having to the corresponding chrominance information of grayscale
Meet the default color standard, then saves brightness control signal and coloration adjusted control signal after adjustment.
8. a kind of drive system of display panel characterized by comprising
Information acquisition device is set as obtaining the display of display panel multiple regions when current control signal drives display panel
Information；
Message handler, be set as judging the display information of display panel multiple regions whether meet predetermined luminance difference standard and
Default color standard；
Control regulator, if the display information being set as between the multiple regions of display panel is unsatisfactory for the predetermined luminance difference mark
The quasi- and described default color standard then adjusts the current control signal according to the display information, believes display to obtain
Breath meets the control signal of predetermined luminance difference standard and default color standard.
9. the drive system of display panel as claimed in claim 8, which is characterized in that
The information acquisition device includes:
First Acquisition Circuit is set as controlling the signal driving display panel by present intensity, it is more to acquire the display panel
The luminance information in a region；
Second Acquisition Circuit is set as controlling the information driving display panel by current chroma, it is more to acquire the display panel
The chrominance information in a region；
The message handler includes:
Whether the first processing circuit is set as judging the luminance difference between display panel multiple regions in the predetermined luminance difference mark
In quasi- range；
It is described to be set as judging whether the corresponding chromatic value of different grayscale of display panel multiple regions meets for second processing circuit
Default color standard；
The control regulator includes:
First adjust circuit, if the luminance difference being set as between the multiple region not in predetermined luminance difference critical field,
According to the luminance difference setting charging timing between multiple regions, the present intensity control signal is adjusted, it is bright by adjusting after
Degree control signal drives the display panel；
Second adjusts circuit, if the chromatic value for being set as the different grayscale in the multiple region does not meet the default color scale
Standard then sets three primary colours proportion according to the chromatic value of different grayscale, the current chroma adjustment signal is adjusted, by adjusting after
Coloration controls signal and drives the display panel.
10. a kind of display device, which is characterized in that including display panel, memory, processor and be stored in the memory
In and the computer program that can run on the processor, which is characterized in that the processor executes the computer program
The step of any one of Shi Shixian such as claim 1 to 7 the method.
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| CN201811589919.3A CN109473077A (en) | 2018-12-25 | 2018-12-25 | A kind of driving method of display panel, system and display device |
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| CN201811589919.3A CN109473077A (en) | 2018-12-25 | 2018-12-25 | A kind of driving method of display panel, system and display device |
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Application publication date: 20190315 |