CN106297699B - The picture adjusting method and device of liquid crystal display panel - Google Patents
The picture adjusting method and device of liquid crystal display panel Download PDFInfo
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- CN106297699B CN106297699B CN201610776855.2A CN201610776855A CN106297699B CN 106297699 B CN106297699 B CN 106297699B CN 201610776855 A CN201610776855 A CN 201610776855A CN 106297699 B CN106297699 B CN 106297699B
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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
- G09G3/2007—Display of intermediate tones
Abstract
The invention discloses a kind of picture adjusting method of liquid crystal display panel and devices, comprising: which display panel is driven to show that a test pictures, the test pictures include tying up the corresponding grayscale sprite of voltage positioned at the 0 grayscale sprite of intermediate region one, a 255 grayscale sprites and a flashing sprite and each Gamma；The flicker degree for adjusting the flashing picture determines V-COM voltage when flicker degree reaches predetermined value；For 255 grayscale sprites, adjusts Gamma voltage and make the brightness of the picture maximum, obtain maximum brightness Imax；For 0 grayscale sprite, adjusts Gamma voltage and make the brightness of the picture minimum, obtain minimum brightness Imin；According to maximum brightness ImaxWith minimum brightness IminCalculate acquisition standard gamma curve；Tie up the corresponding grayscale sprite of voltage for each Gamma, adjust separately it is corresponding tie up voltage so that the brightness of corresponding sprite complies with standard the requirement of gamma curve, complete entire picture adjustment.
Description
Technical field
The present invention relates to display device technology field, the picture adjusting method and dress of especially a kind of liquid crystal display panel
It sets.
Background technique
Large scale flat panel Liquid Crystal TV more and more receives the favor of numerous consumers, and consumer is to display image
It is also higher and higher with the requirement of image quality.Due to the inherent characteristic of liquid crystal molecule, liquid crystal display is to need when showing picture
Positive-negative polarity is wanted constantly to convert, therefore this is easy for causing the positive and negative gray scale voltage absolute value difference under different pictures larger,
So that the film flicker degree that human eye is felt under different pictures is also different；In addition, due to liquid crystal display itself
Characteristic, there are certain distortions between input voltage and output image.In view of the above two o'clock, float is carried out to liquid crystal display
Adjusting with the distortion factor is necessary.Main consideration Gamma voltage value and screen flicker degree are adjusted to liquid crystal display picture
(Flicker).Gamma value is a kind of metric parameter of brightness and grayscale non-linear relation that description image is shown, Flicker table
Levy the flashing state of display screen.
The Gamma standard of human eye is 2.2, needs to adjust Gamma value to human eye range in liquid crystal module production process.Often
The brightness of a grayscale is determined by the voltage of the generation of Gamma chip.Adjusting Gamma value is actually to adjust Gamma core
Piece.Gamma chip can generate two groups of Gamma voltages and a V-COM voltage, and wherein V-COM is the centre of two groups of Gamma voltage
Value.Two groups of Gamma voltages control 256 rank gray scale voltages, a gray scale voltage in two groups in each gray scale voltage and another group
It is symmetrical on V-COM voltage both sides.This symmetrical degree determines screen flicker degree, and all gray scale voltage symmetry are higher, then
The Flicker value of each grayscale is smaller.It can reduce film flicker by the adjusting of the joint of V-COM voltage and Gamma voltage.
The picture adjusting method of existing liquid crystal display panel mainly comprises the steps that
(1), driving display panel display flashing picture constantly adjusts the flicker degree of V-COM voltage debugging flashing picture, when
When flicker degree reaches predetermined value, best V-COM voltage value is determined；
(2), driving display panel is switched to 255 grey menus of display, and adjustment Gamma voltage makes the brightness of the picture most
Greatly, maximum brightness I is obtainedmax；
(3), driving display panel is switched to 0 grey menu of display, and adjustment Gamma voltage makes the brightness of the picture most
It is small, obtain minimum brightness Imin；
(4), according to maximum brightness ImaxWith minimum brightness IminCalculate acquisition standard gamma curve；
(5), driving display panel is switched to the grey menu that display Gamma ties up voltage, and adjustment is corresponding to tie up voltage,
So that the brightness of corresponding picture complies with standard the requirement of gamma curve；In general, tying up an electricity including multiple in Gamma voltage curve
Pressure, therefore need to be sequentially switched in the step each to tie up the corresponding grey menu of voltage；
(6), driving display panel shows the flashing picture such as step (1) again, reaffirms whether flicker degree conforms to
It asks, if meeting the requirements, completes picture adjustment；If not meeting, readjusted according to step as above.
In method of adjustment as above, need that display panel is constantly driven to switch multiple display pictures, process is cumbersome, picture
The time of adjustment is longer, reduces working efficiency；In addition, to each grey menu (255 grey menus, 0 grey menu and each
It is a to tie up the corresponding grey menu of voltage) when being adjusted, the adjustment of each grey menu cannot be known to flashing picture in time
The influence in face.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of picture adjusting method of liquid crystal display panel and dresses
It sets, when carrying out picture adjustment, does not need repeatedly to switch different display pictures, save adjustment time, improve working efficiency；
In addition, can know the adjustment of each grey menu to flashing picture in time when being adjusted to each grey menu
It influences.
In order to achieve the above object, present invention employs following technical solutions:
A kind of picture adjusting method of liquid crystal display panel comprising:
Driving display panel show a test pictures, the test pictures include be located at multiple sprites of intermediate region with
And surround the background frame of the multiple sprite；Wherein, the multiple sprite includes at least 0 grayscale sprite, one
A 255 grayscale sprite and a flashing sprite, remaining sprite are respectively that each Gamma ties up corresponding grayscale of voltage
Picture, the background frame are and the consistent flashing picture of flashing sprite；
The flicker degree for adjusting the flashing picture determines V-COM voltage when flicker degree reaches predetermined value；
For 255 grayscale sprites, adjusts Gamma voltage and make the brightness of the picture maximum, obtain maximum brightness Imax；
For 0 grayscale sprite, adjusts Gamma voltage and make the brightness of the picture minimum, obtain minimum brightness Imin；
According to maximum brightness ImaxWith minimum brightness IminCalculate acquisition standard gamma curve；
Tie up the corresponding grayscale sprite of voltage for each Gamma, adjust separately it is corresponding tie up voltage so that corresponding
The brightness of sprite complies with standard the requirement of gamma curve, completes entire picture adjustment；
Wherein, the corresponding grayscale of voltage is being tied up to the 255 grayscale sprite, 0 grayscale sprite and each Gamma
When sprite is adjusted, while the flicker degree of the flashing picture is monitored, guarantees that flicker degree meets pre-provisioning request.
Preferably, it is respectively 31 grayscale sprites, 128 grayscale that the Gamma, which ties up the corresponding grayscale sprite of voltage,
Picture and 223 grayscale sprites.
Preferably, according to the resolution ratio of the liquid crystal display panel and polarity inversion mode, select initial scintillation degree larger
Picture be determined as the flashing picture.
Preferably, by adjusting the V-COM voltage of input, to adjust the flicker degree of the flashing picture.
Preferably, by the maximum brightness ImaxWith minimum brightness IminSubstitute into brightness-grayscale formula:
Ix=Imin+(Imax-Imin)×(x/256)γ, wherein x=0,1 ..., 254,255；γ=2.2 are enabled, obtained song
Line is standard gamma curve.
Another aspect of the present invention is to provide a kind of picture regulator of liquid crystal display panel comprising signal inputs mould
Block, Gamma voltage control module, intensity detection module and parameter calculating module；
The signal input module is used to input display signal to the display panel so that the display panel shows picture
Face；The Gamma voltage control module is used to provide Gamma voltage and V-COM voltage to the signal input module, so that institute
It states signal input module and forms the display signal with corresponding gray scale voltage；The intensity detection module is for detecting the display
Picture brightness shown by panel；Shown by the parameter calculating module calculates the display panel according to the picture brightness
Frame parameter, and frame parameter is fed back into the Gamma voltage control module, the Gamma voltage control module according to
The Gamma voltage and/or V-COM voltage that the frame parameter adjustment generates；
Wherein, the intermediate region of the display panel is divided into multiple subregions, the area except the multiple subregion
Domain is set as background area, at least one subregion is for showing 0 grayscale sprite, a sub-regions in the multiple subregion
For showing 255 grayscale sprites and a sub-regions for showing flashing sprite, remaining subregion for showing respectively
Each Gamma ties up the corresponding grayscale sprite of voltage；The background area is for showing flashing picture；
The signal input module provides display signal to each sub-regions of the display panel and background area simultaneously,
So that each sub-regions and background area show corresponding picture simultaneously.
Preferably, the intensity detection module includes multiple probe units for detecting picture brightness, the multiple son
Each subregion in region is at least configured with the probe unit.
Preferably, the background area is at least configured with the probe unit.
Preferably, the parameter calculating module includes luminance signal computing unit, flicker degree computing unit and Gamma bent
Line computation unit；The luminance signal computing unit calculates the luminance signal of corresponding picture according to the picture brightness；It is described
Flicker degree computing unit calculates the flicker degree of corresponding picture according to the luminance signal；The gamma curve computing unit root
According to the maximum brightness I of the 255 grayscale spritemaxWith the minimum brightness I of the 0 grayscale spritemin, calculate acquisition standard
Gamma curve.
Preferably, the Gamma voltage control module includes Gamma voltage generating unit and Gamma voltage-adjusting unit.
The utility model has the advantages that the embodiment of the present invention provides the picture adjusting method and device of a kind of liquid crystal display panel, same
0 grayscale sprite, 255 grayscale sprites and flashing picture are shown in display panel respectively and each Gamma ties up voltage
Corresponding grayscale sprite does not need repeatedly to switch different display pictures, when saving adjustment when carrying out picture adjustment
Between, improve working efficiency；In addition, can know each grey menu in time when being adjusted to each grey menu
Adjust the influence to flashing picture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the picture regulator of liquid crystal display panel provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, with reference to the accompanying drawing to specific reality of the invention
The mode of applying is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Shown in attached drawing and according to
The embodiments of the present invention of attached drawing description are only exemplary, and the present invention is not limited to these embodiments.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show with closely related structure and/or processing step according to the solution of the present invention, and be omitted little with relationship of the present invention
Other details.
The embodiment of the present invention provides firstly a kind of picture regulator of liquid crystal display panel, as shown in Figure 1, the device
Including signal input module 1, Gamma voltage control module 2, intensity detection module 3 and parameter calculating module 4.
Wherein, the signal input module 1 is used to input display signal to display panel 5 so that the display panel 5 is aobvious
Show picture.Specifically, described as shown in Figure 1, the intermediate region of the display panel 5 is divided into multiple subregion 5a~5f
Region except multiple subregion 5a~5f is set as background area 5g, at least one sub-district in the multiple subregion 5a~5f
Domain 5a is for showing 0 grey menu, a sub-regions 5b for showing 255 grey menus and a sub-regions 5c for showing
Picture is flashed, remaining subregion 5d, 5e, 5f for showing that each Gamma ties up the corresponding grey menu of voltage, the back respectively
Scene area 5g is for showing flashing picture.Further, the signal input module 1 is simultaneously to each of the display panel 5
Subregion 5a~5f and background area 5g provides display signal, so that each sub-regions 5a~5f and background area 5g are shown simultaneously
Corresponding picture.In the present embodiment, the Gamma tie up the corresponding grayscale of voltage be respectively 31 grayscale, 128 grayscale and
223 grayscale, correspondingly, subregion 5d is for showing 31 grey menus, subregion 5e is for showing 128 grey menus, subregion
5f is for showing 223 grey menus.It certainly, in a further embodiment, can if being provided with more Gamma ties up voltage
Correspondingly corresponding more subregions are marked off in the intermediate region of the display panel 5.
Wherein, the Gamma voltage control module 2 is used to provide Gamma voltage and V- to the signal input module 1
COM voltage, so that the signal input module 1 forms the display signal with corresponding gray scale voltage.Specifically, as shown in Figure 1,
The Gamma voltage control module 2 includes Gamma voltage generating unit 21 and Gamma voltage-adjusting unit 22.The Gamma
Voltage generating unit 21 is supplied to the signal input module 1, the Gamma electricity for generating Gamma voltage and V-COM voltage
Pressure adjustment unit 22 then adjusts the Gamma voltage that the Gamma voltage generating unit 21 generates and V-COM voltage as needed
Size.
Wherein, the intensity detection module 3 is for detecting picture brightness shown by the display panel 5.Specifically, such as
Shown in Fig. 1, the intensity detection module 3 includes multiple probe units 31 for detecting picture brightness, the probe unit 31
Generally include photodetector.Wherein, each subregion 5a, 5b, 5c, 5d, 5e, 5f of the multiple subregion 5a~5f be at least
Configured with a probe unit 31.Further, the background area 5g is also at least configured with a probe unit
31。
Wherein, the parameter calculating module 4 is calculated according to the picture brightness received from the intensity detection module 3
Frame parameter shown by the display panel 5, and frame parameter is fed back into the Gamma voltage control module 2, it is described
The Gamma voltage and/or V-COM voltage that Gamma voltage control module 2 is generated according to frame parameter adjustment, to adjust letter
The display signal that number input module 1 is inputted to display panel 5, and the change of input signal makes frame parameter corresponding change,
So circulation, achievees the purpose that the display picture to display panel is adjusted, until reaching target shows picture.Wherein, institute
State the luminance signal, flicker degree and standard gamma curve etc. that frame parameter may include picture.
Specifically, as shown in Figure 1, the parameter calculating module 4 includes luminance signal computing unit 41, flicker degree calculating list
Member 42 and gamma curve computing unit 43.Wherein, the luminance signal computing unit 41 is calculated according to the picture brightness
The luminance signal of corresponding picture；The flicker degree computing unit 42 calculates the flashing of corresponding picture according to the luminance signal
Degree；The gamma curve computing unit 43 is most light according to the 255 grayscale sprites obtained by luminance signal computing unit 41
Spend ImaxWith the minimum brightness I of 0 grayscale spritemin, calculate acquisition standard gamma curve.
The method that picture regulator as described above carries out picture adjustment is described below, the method comprising the steps of:
One, it drives each sub-regions 5a~5f and background area 5g in the display panel 5 to show simultaneously, forms one and survey
Picture is tried, the test pictures include the background painting of the multiple sprites and the multiple sprite of encirclement positioned at intermediate region
Face, each sub-regions 5a~5f is corresponding to be shown as multiple sprites, and 5g correspondence in background area is shown as background frame.Wherein,
The multiple sprite includes at least a 0 grayscale sprite, a 255 grayscale sprites and a flashing sprite, remaining
Sprite is respectively that each Gamma ties up the corresponding grayscale sprite of voltage, and the background frame is and the flashing sprite
Consistent flashing picture.
Two, the flicker degree for adjusting the flashing picture determines V-COM voltage when flicker degree reaches predetermined value.Wherein,
According to the resolution ratio of the liquid crystal display panel and polarity inversion mode, the biggish picture of initial scintillation degree is selected to be determined as described
Flash picture.Such as can choose picture flicker degree most serious picture as the flashing picture.So, when to the flashing
After the picture of degree most serious adjusts flicker degree, other smaller pictures of flicker degree just more can satisfy user to display quality
It is required that.That is, selecting flicker degree picture the most serious as the flashing picture of test, the picture of obtained liquid crystal display panel
Display effect is more preferable." the biggish picture of initial scintillation degree " is can be by user according to the desired quality for showing quality
Freely define.Specifically, defeated by constantly adjusting the V-COM voltage signal input module 1 of the generation of Gamma voltage control module 2
Enter to display panel 5, determines current V-COM when flicker degree reaches predetermined value to adjust the flicker degree of the flashing picture
Voltage is the V-COM voltage of display panel 5.
Three, 255 grayscale sprites are directed to, adjustment Gamma voltage makes the brightness of the picture maximum, obtains maximum brightness
Imax.When adjusting the 255 grayscale sprite, flashing picture is also shown always, therefore can monitor the flashing picture simultaneously
The parameters such as flicker degree, guarantee that flicker degree meets pre-provisioning request.
Four, it is directed to 0 grayscale sprite, adjustment Gamma voltage makes the brightness of the picture minimum, obtains minimum brightness Imin。
When adjusting the 0 grayscale sprite, flashing picture is also shown always, therefore can monitor the flashing of the flashing picture simultaneously
The parameters such as degree, guarantee that flicker degree meets pre-provisioning request.
Five, according to maximum brightness ImaxWith minimum brightness IminCalculate acquisition standard gamma curve.Specifically, the Gamma
Curve computation unit 43 calculates acquisition standard gamma curve, the brightness-grayscale formula are as follows: I according to brightness-grayscale formulax=
Imin+(Imax-Imin)×(x/256)γ, wherein x=0,1 ..., 254,255；γ=2.2 are enabled, obtained curve is standard
Gamma curve.
Six, tying up the corresponding grayscale sprite of voltage for each Gamma (is respectively that 31 grayscale are drawn in the present embodiment
Face, 128 grayscale sprites and 223 grayscale sprites), adjust separately it is corresponding tie up voltage so that the brightness of corresponding sprite
Entire picture adjustment is completed in the requirement for complying with standard gamma curve.Corresponding grayscale of voltage is tied up adjusting each Gamma
It when picture, flashes picture and other sprites is also shown always, therefore the flashing picture and other sons can be monitored simultaneously
The parameters such as the flicker degree of picture guarantee that flicker degree meets pre-provisioning request, improve the success rate of picture adjustment.
The picture adjusting method and device of liquid crystal display panel provided by embodiment as above, divide in same display panel
0 grayscale sprite, 255 grayscale sprites are not shown ties up voltage corresponding grayscale with flashing picture and each Gamma
Picture does not need repeatedly to switch different display pictures when carrying out picture adjustment, saves adjustment time, improves work effect
Rate；In addition, can know the adjustment of each grey menu to flashing picture in time when being adjusted to each grey menu
Influence, guarantee to meet pre-provisioning request in the process flicker degree being adjusted in grey menu, improve the success rate of picture adjustment.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (10)
1. a kind of picture adjusting method of liquid crystal display panel characterized by comprising
Driving display panel shows that a test pictures, the test pictures include the multiple sprites and packet positioned at intermediate region
Enclose the background frame of the multiple sprite；Wherein, the multiple sprite includes at least a 0 grayscale sprite, one 255
Grayscale sprite and a flashing sprite, remaining sprite are respectively that each Gamma ties up the corresponding grayscale sprite of voltage,
The background frame be and the consistent flashing picture of flashing sprite；
The flicker degree for adjusting the background frame and the corresponding flashing picture of the flashing sprite, when flicker degree reaches predetermined value
When, determine V-COM voltage；
For 255 grayscale sprites, adjusts Gamma voltage and make the brightness of the picture maximum, obtain maximum brightness Imax；
For 0 grayscale sprite, adjusts Gamma voltage and make the brightness of the picture minimum, obtain minimum brightness Imin；
According to maximum brightness ImaxWith minimum brightness IminCalculate acquisition standard gamma curve；
Tie up the corresponding grayscale sprite of voltage for each Gamma, adjust separately it is corresponding tie up voltage so that corresponding son is drawn
The brightness in face complies with standard the requirement of gamma curve, completes entire picture adjustment；
Wherein, the corresponding grayscale picture of voltage is being tied up to the 255 grayscale sprite, 0 grayscale sprite and each Gamma
When face is adjusted, while the flicker degree of the background frame and the corresponding flashing picture of the flashing sprite is monitored, guaranteed
Flicker degree meets pre-provisioning request.
2. the picture adjusting method of liquid crystal display panel according to claim 1, which is characterized in that the Gamma is tied up a little
The corresponding grayscale sprite of voltage is respectively 31 grayscale sprites, 128 grayscale sprites and 223 grayscale sprites.
3. the picture adjusting method of liquid crystal display panel according to claim 1, which is characterized in that according to the liquid crystal
Show the resolution ratio and polarity inversion mode of panel, the biggish picture of initial scintillation degree is selected to be determined as the flashing picture.
4. the picture adjusting method of liquid crystal display panel according to claim 3, which is characterized in that by adjusting input
V-COM voltage, to adjust the flicker degree of the flashing picture.
5. the picture adjusting method of liquid crystal display panel according to claim 1 to 4, which is characterized in that by described in most
Big brightness ImaxWith minimum brightness IminSubstitute into brightness-grayscale formula:
Ix=Imin+(Imax-Imin)×(x/256)γ, wherein x=0,1 ..., 254,255；γ=2.2 are enabled, obtained curve is i.e.
For standard gamma curve.
6. a kind of picture regulator of liquid crystal display panel, which is characterized in that including signal input module, Gamma voltage control
Molding block, intensity detection module and parameter calculating module；
The signal input module is used to input display signal to the display panel so that the display panel shows picture；
The Gamma voltage control module is used to provide Gamma voltage and V-COM voltage to the signal input module, so that
The signal input module forms the display signal with corresponding gray scale voltage；
The intensity detection module is for detecting picture brightness shown by the display panel；
The parameter calculating module according to the picture brightness calculate the display panel shown by frame parameter, and by picture
Face parameter feedback to the Gamma voltage control module, the Gamma voltage control module is adjusted according to the frame parameter and is produced
Raw Gamma voltage and/or V-COM voltage；
Wherein, the intermediate region of the display panel is divided into multiple subregions, and the region except the multiple subregion is set
It is set to background area, at least one subregion is for showing that 0 grayscale sprite, a sub-regions are used in the multiple subregion
Show 255 grayscale sprites and a sub-regions for showing that flashing sprite, remaining subregion are each for showing respectively
Gamma ties up the corresponding grayscale sprite of voltage；The background area is for showing and the consistent flashing of the flashing sprite
Picture；
The signal input module provides display signal to each sub-regions of the display panel and background area simultaneously, so that
Each sub-regions and background area show corresponding picture simultaneously.
7. adjustment device according to claim 6, which is characterized in that the intensity detection module includes for detecting picture
Multiple probe units of brightness, each subregion of the multiple subregion are at least configured with the probe unit.
8. adjustment device according to claim 7, which is characterized in that the background area is at least configured with the spy
Survey unit.
9. adjustment device according to claim 6, which is characterized in that the parameter calculating module includes that luminance signal calculates
Unit, flicker degree computing unit and gamma curve computing unit；
The luminance signal computing unit calculates the luminance signal of corresponding picture according to the picture brightness；
The flicker degree computing unit calculates the flicker degree of corresponding picture according to the luminance signal；
The gamma curve computing unit is according to the maximum brightness I of the 255 grayscale spritemaxWith the 0 grayscale sprite
Minimum brightness Imin, calculate acquisition standard gamma curve.
10. adjustment device according to claim 6, which is characterized in that the Gamma voltage control module includes Gamma
Voltage generating unit and Gamma voltage-adjusting unit.
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| CN107492348B (en) * | 2017-09-20 | 2020-03-10 | 深圳市华星光电半导体显示技术有限公司 | Method for improving display effect of display panel and display panel |
| CN108376529B (en) * | 2018-03-22 | 2022-05-17 | 京东方科技集团股份有限公司 | Data debugging method, device and system |
| CN110400532A (en) * | 2018-04-25 | 2019-11-01 | 咸阳彩虹光电科技有限公司 | A kind of method and apparatus of quick adjustment gamma voltage |
| CN109029918B (en) * | 2018-06-06 | 2020-07-10 | 武汉精测电子集团股份有限公司 | Method and device for adjusting binding point by gamma |
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| CN109712584B (en) * | 2019-02-14 | 2021-01-01 | 惠州市华星光电技术有限公司 | Debugging method of liquid crystal display device |
| CN110310596B (en) * | 2019-06-17 | 2021-03-12 | 武汉精立电子技术有限公司 | GAMMA (GAMMA-GAMMA) adjustment initial value prediction method and system of OLED module |
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