CN104021751B - Reduce method and device, display screen and display device that display screen flicker is uneven - Google Patents
Reduce method and device, display screen and display device that display screen flicker is uneven Download PDFInfo
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- CN104021751B CN104021751B CN201410267515.8A CN201410267515A CN104021751B CN 104021751 B CN104021751 B CN 104021751B CN 201410267515 A CN201410267515 A CN 201410267515A CN 104021751 B CN104021751 B CN 104021751B
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Abstract
The invention discloses a kind of display screen, including array base palte and driver element, described array base palte includes that viewing area, described viewing area include multiple region；Described array base palte also includes: memorizer, for storing the compensation voltage in each region；The controller being connected with described memorizer, obtains the compensation voltage in the described each region being stored in advance in described memorizer, applies to compensate voltage accordingly to pieces of data line in the region at the public electrode wire place being applied in basis common electric voltage.The present invention can at least up to reduce display screen flicker inequality, improves one of beneficial effect of display effect.
Description
Technical field
The present invention relates to Display Technique field, reduce display screen flicker inequality more particularly, it relates to a kind of
Method and device, display screen and display device.
Background technology
TFT (Thin Film Transistor, TFT) array base palte is existing display
One of important composition parts of device.Each pixel is driven, so that display device has at a high speed by TFT
The advantages such as degree, high brightness, high-contrast.Although the display device including tft array substrate has many
Advantage, but the display effect of existing display device has much room for improvement.
Summary of the invention
In view of this, the present invention provides a kind of display screen that reduces to flash the method and device of inequality, display screen
And display device.
The present invention provides a kind of display screen, and including array base palte and driver element, described array base palte includes
Viewing area, described viewing area includes multiple region；Described array base palte also includes: memorizer, is used for depositing
Store up the compensation voltage in each region；The controller being connected with described memorizer, obtains described in being stored in advance in
The compensation voltage in the described each region in memorizer, to the public electrode wire being applied in basis common electric voltage
In the region at place, pieces of data line applies to compensate voltage accordingly.
Accordingly, present invention also offers a kind of display device, including display screen as above.
Accordingly, present invention also offers a kind of device reducing display screen flicker inequality, be applied to display
Device, described display device includes that display screen, described display screen include array base palte, described array base palte
Including viewing area, described viewing area includes multiple region；The device bag that the flicker of described reduction display screen is uneven
Include: memory module, for storing the compensation voltage in described each region；And, control module, obtain
The compensation voltage in the described each region being stored in advance in described memory module, to being applied in, basis is public
In the region at the public electrode wire place of voltage, pieces of data line applies to compensate voltage accordingly.
Accordingly, present invention also offers a kind of method reducing display screen flicker inequality, be applied to display
Screen, described display screen includes that array base palte, described array base palte include viewing area, described reduction display screen
The method of flicker inequality includes: described viewing area is carried out subregion, forms multiple region；Obtain and deposit in advance
The compensation voltage in described each region of storage, to the public electrode wire place being applied in basis common electric voltage
In region, pieces of data line applies to compensate voltage accordingly respectively.
Compared with prior art, technical scheme provided by the present invention at least has one of the following advantages:
Method and device, array base palte and the display dress that reduction display screen provided by the present invention flicker is uneven
Put, carry out subregion by the viewing area of the array base palte to display screen, and obtain the benefit in each region in advance
Repay voltage, when scanning any region (that is the public electrode wire in this any region is applied in base
During plinth common electric voltage), on the basis of original data voltage being applied to data wire, then scan described
Region in data wire additionally apply to compensate voltage accordingly, so, equalized public electrode wire everybody
The voltage put, improves the public electrode wire each position voltage inequality that basis public voltage signal postpones to cause
The situation of weighing apparatus, improves the phenomenon that display screen flicker is uneven, improves the display effect of display device.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
A kind of flow chart reducing the uneven method of display screen flicker that Fig. 1 provides for the embodiment of the present application；
The structural representation of a kind of viewing area that Fig. 2 a provides for the embodiment of the present application；
The Flicker value curve chart of a kind of measuring instrument that Fig. 2 b provides for the embodiment of the present application；
Fig. 3 a includes the first summit, the second summit and the 3rd for a kind of viewing area that the embodiment of the present application provides
The schematic diagram on summit；
Impartial subregion schematic diagram about a kind of viewing area that Fig. 3 b provides for the embodiment of the present application；
Left and right, a kind of viewing area unequal subregion schematic diagram that Fig. 3 c provides for the embodiment of the present application；
The schematic diagram of the corresponding display screen of the first Marching algorithm that Fig. 4 a provides for the embodiment of the present application；
The schematic diagram of the corresponding display screen of the second Marching algorithm that Fig. 4 b provides for the embodiment of the present application；
The schematic diagram of the corresponding display screen of the third Marching algorithm that Fig. 4 c provides for the embodiment of the present application；
The schematic diagram of the 4th kind of corresponding display screen of Marching algorithm that Fig. 4 d provides for the embodiment of the present application；
A kind of structural representation reducing the uneven device of display screen flicker that Fig. 5 provides for the embodiment of the present application
Figure；
A kind of array base-plate structure schematic diagram that Fig. 6 provides for the embodiment of the present application.
Detailed description of the invention
As described in background, the display picture quality of existing display device has much room for improvement.Inventor
Research find, cause the reason of this defect mainly have the gate line on tft array substrate, data wire and
Public electrode wire is respectively provided with impedance, and then is respectively provided with when raster polar curve, data wire and public electrode wire
Postpone, that is, when gate line is applied in gated sweep signal, gate line exists signal and postpones (gate
Delay), in like manner, when public electrode wire is applied in common electric voltage, public electrode wire exists common electric voltage
Signal delay (COM delay), public voltage signal postpones typically to make each position on public electrode wire
Common electric voltage is variant, and the data wire in each pixel region is applied in corresponding data voltage, and each
The flicker of pixel region is to be determined by the difference of the common electric voltage in this pixel region with data voltage,
So, when on public electrode wire, the common electric voltage of diverse location is variant, the pixel flicker of zones of different
Can be variant, so, produce the phenomenon of display screen flicker uneven (flicker is uneven), so, display screen
It is possible to that regional area serious flicker occurs, and occurs affecting the phenomenon of display effect, such as local
Image retention, makes user not feel well simultaneously, in other words, public electrode wire exists public voltage signal and prolongs
(such as, the public electrode wire signal delay at IC is less than away from the delay at IC, or leans on late
Data line signal retardation ratio at nearly IC is little away from the delay at IC), therefore viewing area zones of different institute
Corresponding optimal common electric voltage (i.e. under flicker picture, flicker level is minimum) is different.And display screen is public
Voltage only one of which, can only compensate and reduce some region of flicker, for other region, common electric voltage
There is deviation with optimal common electric voltage, flicker can not get compensating.So there is difference in the viewing area of display screen
The situation that area flicker degree is inconsistent, namely flashes inequality.
Thus, inventor studies further and obtains, if to the common electric voltage in pixel region and data voltage
In one of them compensate, then can solve the display screen uneven problem of flicker.
Inventor further studies and obtains, and uses the effect compensating data wire more preferable, specifically retouches
State as follows.
Understandable for enabling objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to this
The detailed description of the invention of invention is described in detail.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but this
Bright other can also be used to be different from alternate manner described here implement, those skilled in the art are permissible
In the case of intension of the present invention, doing similar popularization, therefore the present invention not by following public specifically
The restriction of embodiment.
Secondly, the present invention combines schematic diagram and is described in detail, when describing the embodiment of the present invention in detail, for just
In explanation, represent that the profile of device architecture can be disobeyed general ratio and be made partial enlargement, and described signal
Figure simply example, it should not limit the scope of protection of the invention at this.Additionally, should wrap in actual fabrication
Three-dimensional space containing length, width and the degree of depth.
The embodiment of the present application provides a kind of method reducing display screen flicker inequality, as it is shown in figure 1, be
A kind of flow chart reducing the uneven method of display screen flicker that the embodiment of the present application provides, real for the application
A kind of method reducing display screen flicker uneven that executing example provides is applied to display screen, and described display screen includes
Array base palte, described array base palte includes viewing area, wherein, reduces the method bag that display screen flicker is uneven
Include step:
S1, described viewing area is carried out subregion, form multiple region；
The application mainly (i.e. carries out voltage to the public electrode wire in region by voltage compensation targetedly
Compensate), to improve the scintillation caused due to public voltage signal delay, therefore firstly the need of to aobvious
Display screen carries out subregion, concrete, is that the viewing area of first array base palte to display screen carries out subregion, with shape
Become multiple region.But, for the region that divides number, and the size in each region, this
This is not specifically limited by application, needs to carry out specific design according to practical situation, to reach optimum dividing
Area scheme.
S2, described viewing area is carried out subregion, form multiple region.
On array base palte, due to the delay of public voltage signal, so, regional in viewing area
Public electrode wire delay is the most different, and therefore, the compensation voltage of the public electrode wire of regional also differs.
It is thus necessary to determine that the compensation voltage swing of the public electrode wire in each region, in order to work at display screen
Time, when scanning any region (that is the public electrode wire in this any region is applied in basis public affairs
During common voltage), on the basis of original data voltage being applied to data wire, then to the described district scanned
Data wire in territory additionally applies to compensate voltage accordingly.
The embodiment of the present application for compensating one of determination mode of voltage is:
The compensation voltage that the embodiment of the present application provides can be that the optimal common electric voltage in described each region deducts
Basis common electric voltage；
Wherein, every public electrode wire is respectively provided with and does not flashes corresponding to described public electrode wire region
Time first magnitude of voltage, the optimal common electric voltage in described each region is that described each region is corresponding
The average of all first magnitudes of voltage, stated differently, since every public electrode wire is respectively provided with corresponding to institute
State first magnitude of voltage when public electrode wire region does not flashes, therefore, in a region,
There are how many public electrode wires, just have how many first magnitudes of voltage, then by all of the in this region
One magnitude of voltage is averaged, and the meansigma methods obtained is exactly the optimal common electric voltage in this region, for example,
As shown in Figure 2 a, viewing area 1 includes multiple region, have in a region D three public electrode wire L1,
L2 and L3, measures when region D does not flashes, the first magnitude of voltage V that public electrode wire L1 is applied inL1；
Measure when region D does not flashes, the first magnitude of voltage V that public electrode wire L2 is applied inL2, measure in district
When territory D does not flashes, the first magnitude of voltage V that public electrode wire L3 is applied inL3, then take VL1、VL2
And VL3Average Vav, then this average VavThe optimal common electric voltage being this region D (needs at this
Bright, the size of the region D of citing, the position of region D and region D in the present embodiment and accompanying drawing 2a
In the quantity of public electrode wire be all citing and non-limiting, in real work, art technology is according to reality
Border demand is rationally arranged).
As shown in the above, determine that the optimal common electric voltage in each region needs each region optimal
Common electric voltage carries out actual measurement, and optionally, the embodiment of the present application provides one by Flicker test section
The method of the optimal common electric voltage in territory, specifically includes:
The Flicker measuring probe of measuring instrument is positioned in the D of region, by the public electrode in the D of region
It is positioned at any point of region D on line L1 as test point, that is this test point is positioned at region D,
And monitor this test point by measuring instrument, the voltage being applied in along with the public electrode wire L1 at test point place
Change, the Flicker value that measuring instrument is detected by Flicker measuring probe can follow change, when
When Flicker value reaches optimal (voltage now makes this test point place test zone not flash),
The magnitude of voltage monitored when record Flicker value reaches optimal, this Flicker value monitors when reaching optimal
Magnitude of voltage be the first magnitude of voltage V of this public electrode wire L1L1, with reference to Fig. 2 a and Fig. 2 b, figure
The Flicker value curve chart of a kind of measuring instrument that 2b provides for the embodiment of the present application, wherein, abscissa is
The first magnitude of voltage applying public electrode wire, vertical coordinate is Flicker value.When regulating the first magnitude of voltage,
Flicker value can follow change, until when Flicker value minimum (the N point being i.e. in Fig. 2 b),
Now corresponding voltage is the first magnitude of voltage of public electrode wire.
In like manner, then need to repeat above-mentioned measuring method to remaining public electrode wire L2 and public affairs in the D of region
Common-battery polar curve L3 carries out Flicker test respectively, and records its public electrode wire L2 in test zone D
With public electrode wire L3, then, then take VL1、VL2And VL3Average Vav, then this average Vav
It is the optimal common electric voltage of this region D.
Further, described basis common electric voltage is the most public of central point region, described viewing area
Voltage.When this is the display picture watching display device due to people, focus primarily upon the center of display screen
Position, that is, focus primarily upon the center of the viewing area of array base palte, therefore the embodiment of the present application
Preferably, basis common electric voltage is the optimal common electric voltage that display screen central point region is corresponding, that is
Basis common electric voltage is the optimal common electric voltage of central point region, viewing area, then to scanned region
Interior data wire applies to compensate accordingly voltage, and therefore, the voltage that compensates of region D is the optimal of region D
Common electric voltage VavDeduct basis common electric voltage.So, improve the phenomenon that display screen flicker is uneven, improve
The display effect of display screen and improve the display effect of display device.
Wherein, measuring probe can be CA310 probe or the Flicker measuring probe of other models, this
This is not specifically limited by inventive embodiments.
By the method for the optimal common electric voltage in each region of above-mentioned acquisition, for the embodiment of the present application
The mode compensating voltage that each region of determination of above-mentioned offer is corresponding, divided in region is more fine,
Display effect for display device is the best, it is preferred that a region is a pixel region of display screen
Territory.
It addition, present invention also provides another mode compensating voltage determining each region:
Due to the delay of the public voltage signal on public electrode wire, along with the direction away from driver element is gradual change
, that is, further away from driver element, the delay of public voltage signal is the most serious, and compensates voltage
Input control apparatus is to have stepped voltage, and therefore, as shown in Figure 3 a, the embodiment of the present application is permissible
Viewing area is divided into m*n region, wherein,
In a first direction by (V1-V2)/V4Dividing, result is entered a round numbers and is obtained m；And,
In a second direction by (V2-V3)/V4Dividing, result is entered a round numbers and is obtained n；
Described viewing area 1 includes the first summit a, the second summit b and the 3rd summit c, described first summit a and
The line of the second summit b is formed in parallel with first direction, and the line of described second summit b and the 3rd summit c is put down
Row is in second direction；V1It it is the optimal common electric voltage of the first a region, summit A；V2It is the second summit b
The optimal common electric voltage of region B；V3It it is the optimal common electric voltage of the 3rd c region, summit C；
V1>V2, V2>V3, V4For stepped voltage.
Along described first direction, between the compensation voltage corresponding to adjacent two regions, differ V4；
Along described second direction, between the compensation voltage corresponding to adjacent two regions, differ V4。
In foregoing, V1、V2And V3Acquisition equally use measuring instrument to measure, i.e.
The Flicker measuring probe of measuring instrument is detected Flicker value, with acquisition when reaching optimal Flicker value pair
Public electrode wire carries out the magnitude of voltage of applying during voltage compensation, and the method is passed through with the above-mentioned one mentioned
The method of the optimal common electric voltage of Flicker test zone is identical, and the present embodiment does not repeats them here.That is
V1、V2And V3All can be by the above-mentioned a kind of optimal common electric voltage by Flicker test zone mentioned
Method obtains, and the present embodiment no longer specifically describes at this.
Concrete, according to the partitioned mode in m*n above-mentioned region, VxCompensation electricity for any one region
Pressure, the compensation voltage in m*n region can be:
Described region from the distance projected length in a second direction of described driver element more than described display
District center point is from the distance projected length in a second direction of described driver element, and described region is from institute
State the distance of driver element projected length in a first direction to drive from described more than described viewing area central point
The distance of moving cell projected length in a first direction, then meet:
Vx=V4*K2+V4*K1；(1),
It is to say, illustrate, as shown in fig. 4 a:
Described region X is from distance projected length D in a second direction of described driver element Ux2More than institute
State viewing area center point P distance projected length D in a second direction from described driver element UP2, and institute
State region X distance projected length D in a first direction from described driver element Ux1More than described display
District center point P is from distance projected length D in a first direction of described driver element UP1, then region X
Compensate voltage VxMeet: Vx=V4*K2+V4* K1, K2 are at described region and described display screen central point
Increasing by 1 on the basis of the region quantity that region is spaced in a second direction, K1 is in described region and institute
1 is increased, this reality on the basis of stating the region quantity that display screen central point region is spaced in a first direction
Executing in example, K2=3+1=4, K1=1+1=2, generally, stepped voltage V4 is 0.0125V, but is not limited to
This, therefore, the compensation voltage V of region Xx=0.0125*4+0.0125*2=0.0125*6V, needs explanation
But, any restriction is done in the present embodiment not position to driver element U, the driver element U's in Fig. 4 a
Position is only for example and non-limiting.
Or, in other embodiments, described region from described driver element distance in a second direction
Projected length less than described viewing area central point from the distance throwing in a second direction of described driver element
Shadow length, and described region from the distance projected length in a first direction of described driver element more than institute
State the viewing area central point distance projected length in a first direction from described driver element, then meet:
Vx=-V4*K2+V4* K1 (2),
It is to say, illustrate, as shown in Figure 4 b:
Described region X is from distance projected length D in a second direction of described driver element Ux2Less than institute
State viewing area center point P distance projected length D in a second direction from described driver element UP2, and institute
State region X distance projected length D in a first direction from described driver element Ux1More than described display
District center point P is from distance projected length D in a first direction of described driver element UP1, then region X
Compensate voltage VxMeet: Vx=-V4*K2+V4* K1, K2 are at described region and described display screen central point
Increasing by 1 on the basis of the region quantity that region is spaced in a second direction, K1 is in described region and institute
1 is increased, this reality on the basis of stating the region quantity that display screen central point region is spaced in a first direction
Executing in example, K2=3+1=4, K1=1+1=2, generally, stepped voltage V4 is 0.0125V, but is not limited to
This, therefore, the compensation voltage V of region Xx=-0.0125*4+0.0125*2=-0.0125*2V, needs explanation
But, any restriction is done in the present embodiment not position to driver element U, the driver element U's in Fig. 4 b
Position is only for example and non-limiting.
Or, in other embodiments, described region from described driver element distance in a second direction
Projected length more than described viewing area central point from the distance throwing in a second direction of described driver element
Shadow length, and described region from the distance projected length in a first direction of described driver element less than institute
State the viewing area central point distance projected length in a first direction from described driver element, then meet:
Vx=V4*K2-V4* K1 (3),
It is to say, illustrate, as illustrated in fig. 4 c:
Described region X is from distance projected length D in a second direction of described driver element Ux2More than institute
State viewing area center point P distance projected length D in a second direction from described driver element UP2, and institute
State region X distance projected length D in a first direction from described driver element Ux1Less than described display
District center point P is from distance projected length D in a first direction of described driver element UP1, then region X
Compensate voltage VxMeet: Vx=V4*K2-V4* K1, K2 are at described region and described display screen central point
Increasing by 1 on the basis of the region quantity that region is spaced in a second direction, K1 is in described region and institute
1 is increased, this reality on the basis of stating the region quantity that display screen central point region is spaced in a first direction
Executing in example, K2=3+1=4, K1=1+1=2, generally, stepped voltage V4 is 0.0125V, but is not limited to
This, therefore, the compensation voltage V of region Xx=0.0125*4-0.0125*2=0.0125*2V, needs explanation
But, any restriction is done in the present embodiment not position to driver element U, the driver element U's in Fig. 4 c
Position is only for example and non-limiting.
Or, in other embodiments, described region from described driver element distance in a second direction
Projected length less than described viewing area central point from the distance throwing in a second direction of described driver element
Shadow length, and described region from the distance projected length in a first direction of described driver element less than institute
State the viewing area central point distance projected length in a first direction from described driver element, then meet:
Vx=-V4*K2-V4* K1 (4),
It is to say, illustrate, as shown in figure 4d:
Described region X is from distance projected length D in a second direction of described driver element Ux2Aobvious more than described
Show district center point P distance projected length D in a second direction from described driver element UP2, and described district
Territory X is from distance projected length D in a first direction of described driver element Ux1More than in described viewing area
Heart point P is from distance projected length D in a first direction of described driver element UP1, then the compensation of region X
Voltage VxMeet: Vx=-V4*K2-V4* K1, K2 are at described region and described display screen central point place
Increasing by 1 on the basis of the region quantity that region is spaced in a second direction, K1 is aobvious with described in described region
1 is increased, the present embodiment on the basis of the region quantity that display screen central point region is spaced in a first direction
In, K2=3+1=4, K1=1+1=2, generally, stepped voltage V4 is 0.0125V, but is not limited to this,
Therefore, the compensation voltage V of region Xx=-0.0125*4-0.0125*2=-0.0125*2V, need explanation and
It is that any restriction is done in the present embodiment not position to driver element U, the position of the driver element U in Fig. 4 c
It is only for example and non-limiting.
It should be noted that the determination that the application compensates voltage for regional is not limited to above-mentioned
Two ways, in other embodiments of the application, it is also possible to for other modes, it is only necessary to meet and first calculate
The public electrode wire in the region being scanned, then data wire is applied corresponding compensation voltage,
So, the scintillation being postponed the display screen caused by the public voltage signal of public electrode wire can be improved,
Thus improve the display effect of display device.
Accordingly, the embodiment of the present application additionally provides a kind of device reducing display screen flicker inequality, application
In display device, described display device includes that display screen, described display screen include array base palte, described battle array
Row substrate includes that viewing area, described viewing area include multiple region；
With reference to shown in Fig. 5, a kind of device reducing display screen flicker inequality provided for the embodiment of the present application
Structural representation, the device reducing display screen flicker uneven includes:
Memory module 41, for storing the compensation voltage in described each region；
First the compensation voltage in each region is determined, i.e. (that is the public affairs in this region when scanning region
When common-battery polar curve is applied in basis common electric voltage), on the basis of original data voltage being applied to data wire,
Additionally apply to compensate voltage accordingly to the data wire in the described region scanned again, improve due to public
This region that voltage signal postpones to cause obtains scintillation.(also then will work as when scanning any region
When i.e. the public electrode wire in this any region is applied in basis common electric voltage), it is applied to data original
On the basis of the data voltage of line, more additionally apply to mend accordingly to the data wire in the described region scanned
Repaying voltage, typing memory module 41, to store the compensation voltage in each region.
And, control module 42, described each region that acquisition is stored in advance in described memory module
Compensate voltage, pieces of data line in the region at the public electrode wire place being applied in basis common electric voltage is executed
Add and compensate voltage accordingly.
Concrete, when scanning a certain region (that is the public electrode wire in this region is applied in base
During plinth common electric voltage), on the basis of original data voltage being applied to data wire, then scan described
Region in data wire additionally apply to compensate voltage accordingly, then scan next public electrode wire,
Control module determines the compensation voltage in the region at this public electrode wire place again, and according to compensating voltage,
Apply to compensate voltage accordingly to data wire；The like, by the data wire in the region scanned
Apply to compensate voltage, to equalize the voltage of public electrode wire each position, changed display screen scintillation.
Accordingly, the embodiment of the present application additionally provides a kind of display screen (sign), as shown in Figure 6,
A kind of array base-plate structure schematic diagram provided for the embodiment of the present application, display screen includes array base palte 2 He
Driving single U unit, described array base palte 2 includes that viewing area 1, described viewing area 1 include multiple region X；
Generally, driver element U is positioned at the non-display area of array base palte 2, but the embodiment of the present invention and Fig. 6
The position of middle driver element U is only for example, and non-limiting, and this is not done any restriction by the application；
Array base palte 2 also includes:
Memorizer 56, for storing the compensation voltage in each region；
The controller 57 being connected with described memorizer 56, obtains and is stored in advance in described memorizer 56
The compensation voltage in described each region, the region to the public electrode wire place being applied in basis common electric voltage
Interior pieces of data line (not shown) applies to compensate accordingly voltage, and wherein, data wire is electrically connected to control
Device 57 and driver element U, controller 57 compensates voltage accordingly for data wire is applied regional,
Driver element U is for applying data signal to data wire).
It should be noted that in the present embodiment, memorizer 56 and controller 57 can set as independent
Standby being arranged on array base palte 2, this is only for example and non-limiting, and this is not limited by the present embodiment.?
In other embodiments, it is also possible to memorizer and/or controller are integrated in driver element U.It addition,
In other embodiments, array base palte can also include flexible circuit board (FPC), it is also possible to by memorizer and
/ or controller be integrated in flexible circuit board, this is not limited by the present embodiment.
Concrete, what the embodiment of the present application provided compensates voltage can be the most public of described each region
Voltage deducts basis common electric voltage；
Wherein, every public electrode wire is respectively provided with and does not flashes corresponding to described public electrode wire region
Time first magnitude of voltage, the optimal common electric voltage in described each region is that described each region is corresponding
The average of all first magnitudes of voltage, stated differently, since every public electrode wire is respectively provided with corresponding to institute
State first magnitude of voltage when public electrode wire region does not flashes, therefore, in a region,
There are how many public electrode wires, just have how many first magnitudes of voltage, then by all of the in this region
One magnitude of voltage is averaged, and the meansigma methods obtained is exactly the optimal common electric voltage in this region, for example,
As shown in Figure 2 a, viewing area 1 includes multiple region, have in a region D three public electrode wire L1,
L2 and L3, measures when region D does not flashes, the first magnitude of voltage V that public electrode wire L1 is applied inL1；
Measure when region D does not flashes, the first magnitude of voltage V that public electrode wire L2 is applied inL2, measure in district
When territory D does not flashes, the first magnitude of voltage V that public electrode wire L3 is applied inL3, then take VL1、VL2
And VL3Average Vav, then this average VavThe optimal common electric voltage being this region D (needs at this
Bright, the size of the region D of citing, the position of region D and region D in the present embodiment and accompanying drawing 2a
In the quantity of public electrode wire be all citing and non-limiting, in real work, art technology is according to reality
Border demand is rationally arranged).
As shown in the above, determine that the optimal common electric voltage in each region needs each region optimal
Common electric voltage carries out actual measurement, optionally, can be tested by Flicker and obtain the optimal public of region
Common voltage, specifically includes:
The Flicker measuring probe of measuring instrument is positioned in the D of region, by the public electrode in the D of region
It is positioned at any point of region D on line L1 as test point, that is this test point is positioned at region D,
And monitor this test point by measuring instrument, the voltage being applied in along with the public electrode wire L1 at test point place
Change, the Flicker value that measuring instrument is detected by Flicker measuring probe can follow change, when
When Flicker value reaches optimal (voltage now makes this test point place test zone not flash),
The magnitude of voltage monitored when record Flicker value reaches optimal, this Flicker value monitors when reaching optimal
Magnitude of voltage be the first magnitude of voltage V of this public electrode wire L1L1, with reference to Fig. 2 a and Fig. 2 b, figure
The Flicker value curve chart of a kind of measuring instrument that 2b provides for the embodiment of the present application, wherein, abscissa is
The first magnitude of voltage applying public electrode wire, vertical coordinate is Flicker value.When regulating the first magnitude of voltage,
Flicker value can follow change, until when Flicker value minimum (the N point being i.e. in Fig. 2 b),
Now corresponding voltage is the first magnitude of voltage of public electrode wire.
In like manner, then need to repeat above-mentioned measuring method to remaining public electrode wire L2 and public affairs in the D of region
Common-battery polar curve L3 carries out Flicker test respectively, and records its public electrode wire L2 in test zone D
With public electrode wire L3, then, then take VL1、VL2And VL3Average Vav, then this average Vav
It is the optimal common electric voltage of this region D.
Further, described basis common electric voltage is the most public of central point region, described viewing area
Voltage.When this is the display picture watching display device due to people, focus primarily upon the center of display screen
Position, that is, focus primarily upon the center of the viewing area of array base palte, therefore the embodiment of the present application
Preferably, basis common electric voltage is the optimal common electric voltage that display screen central point region is corresponding, that is
Basis common electric voltage is the optimal common electric voltage of central point region, viewing area, then to scanned region
Interior data wire applies to compensate accordingly voltage, and therefore, the voltage that compensates of region D is the optimal of region D
Common electric voltage VavDeduct basis common electric voltage.So, improve the phenomenon that display screen flicker is uneven, improve
The display effect of display screen and improve the display effect of display device.
Wherein, measuring probe can be CA310 probe or the Flicker measuring probe of other models, this
This is not specifically limited by inventive embodiments.
In the present embodiment, divided in region is more fine, and the display effect for display device is the best,
Preferably, region is a pixel region of display screen.
It addition, the compensation voltage in each region of the viewing area of the embodiment of the present application, it is also possible to by another
The mode of kind determines:
Due to the delay of the public voltage signal on public electrode wire, along with the direction away from driver element is
Gradual change, that is, further away from driver element, the delay of public voltage signal is the most serious, and compensates electricity
The input control apparatus of pressure is to have stepped voltage, therefore, as shown in Figure 3 a, and the embodiment of the present application
Viewing area 1 include m*n region, wherein,
In a first direction by (V1-V2)/V4Dividing, result is entered a round numbers and is obtained m；And,
In a second direction by (V2-V3)/V4Dividing, result is entered a round numbers and is obtained n；
Described viewing area 1 includes the first summit a, the second summit b and the 3rd summit c, described first summit a and
The line of the second summit b is formed in parallel with first direction, and the line of described second summit b and the 3rd summit c is put down
Row is in second direction；V1It it is the optimal common electric voltage of the first a region, summit A；V2It is the second summit b
The optimal common electric voltage of region B；V3It is the optimal common electric voltage (needs of the 3rd c region, summit C
Illustrate, in the present embodiment and Fig. 3 a, the first summit a, the second summit b and the 3rd summit c position only
Non-limiting for citing, in real work, as long as any three summits taken in summit, four, viewing area are i.e.
Can)；V1>V2, V2>V3, V4For stepped voltage.
Further, the right and left region of viewing area can be used impartial subregion, that is, such as Fig. 3 b
Shown in, such as, left area L of viewing area is divided into 4 parts in a second direction, is respectively as follows: RL1、RL2、
RL3And RL4；And the right area R of viewing area is the most also divided into 4 parts, it is respectively as follows: RR1、
RR2、RR3And RR4；
Or, the right and left of viewing area can be used unequal subregion, that is, as shown in Figure 3 c,
Such as, left area L of viewing area is divided into 4 parts in a second direction, is respectively as follows: RL1、RL2、RL3
And RL4；And the right area R of viewing area is divided into 3 parts in a second direction, it is respectively as follows: RR1、RR2
And RR3；The embodiment of the present invention uses impartial subregion or a left side for viewing area to the right and left region of viewing area
Right both sides use unequal subregion not do any restriction, when the right and left of viewing area uses unequal subregion
Time, left area L equal dosis refracta in a second direction and right area R can be used in second direction
On the least common multiple conduct of equal both dosis refractas, such as in this enforcement, use the minimum of 4 and 3
Common multiple 12 as public division number (as illustrated in figure 3 c, line number divide on, public division part
Number is 12, is i.e. averagely to be divided into 12 row), after guaranteeing division, the number about viewing area is identical.
Further, along described first direction, differ between the compensation voltage corresponding to adjacent two regions
V4；Along described second direction, between the compensation voltage corresponding to adjacent two regions, differ V4。
In foregoing, V1、V2And V3Acquisition equally use measuring instrument to measure, i.e.
The Flicker measuring probe of measuring instrument is detected Flicker value, with acquisition when reaching optimal Flicker value pair
Public electrode wire carries out the magnitude of voltage of applying during voltage compensation, and the method is passed through with the above-mentioned one mentioned
The method of the optimal common electric voltage of Flicker test zone is identical, and the present embodiment does not repeats them here.That is
V1、V2And V3All can be by the above-mentioned a kind of optimal common electric voltage by Flicker test zone mentioned
Method obtains, and the present embodiment no longer specifically describes at this.
Concrete, according to the partitioned mode in m*n above-mentioned region, VxCompensation electricity for any one region
Pressure, the compensation voltage in m*n region can be:
Described region from the distance projected length in a second direction of described driver element more than described display
District center point is from the distance projected length in a second direction of described driver element, and described region is from institute
State the distance of driver element projected length in a first direction to drive from described more than described viewing area central point
The distance of moving cell projected length in a first direction, then meet:
Vx=V4*K2+V4*K1；(1),
It is to say, illustrate, as shown in fig. 4 a:
Described region X is from distance projected length D in a second direction of described driver element Ux2More than institute
State viewing area center point P distance projected length D in a second direction from described driver element UP2, and institute
State region X distance projected length D in a first direction from described driver element Ux1More than described display
District center point P is from distance projected length D in a first direction of described driver element UP1, then region X
Compensate voltage VxMeet: Vx=V4*K2+V4* K1, K2 are at described region and described display screen center
Increase by 1 on the basis of the region quantity that is spaced in a second direction of some region, K1 be in described region and
1 is increased on the basis of the region quantity that described display screen central point region is spaced in a first direction, this
In embodiment, K2=3+1=4, K1=1+1=2, generally, stepped voltage V4 is 0.0125V, but does not limits
In this, therefore, the compensation voltage V of region Xx=0.0125*4+0.0125*2=0.0125*6V, needs
Bright but, any restriction is done in the present embodiment not position to driver element U, the driver element U in Fig. 4 a
Position be only for example and non-limiting.
Or, in other embodiments, described region from described driver element distance in a second direction
Projected length less than described viewing area central point from the distance throwing in a second direction of described driver element
Shadow length, and described region from the distance projected length in a first direction of described driver element more than institute
State the viewing area central point distance projected length in a first direction from described driver element, then meet:
Vx=-V4*K2+V4* K1 (2),
It is to say, illustrate, as shown in Figure 4 b:
Described region X is from distance projected length D in a second direction of described driver element Ux2Less than institute
State viewing area center point P distance projected length D in a second direction from described driver element UP2, and institute
State region X distance projected length D in a first direction from described driver element Ux1More than described display
District center point P is from distance projected length D in a first direction of described driver element UP1, then region X
Compensate voltage VxMeet: Vx=-V4*K2+V4* K1, K2 are at described region and described display screen center
Increase by 1 on the basis of the region quantity that is spaced in a second direction of some region, K1 be in described region and
1 is increased on the basis of the region quantity that described display screen central point region is spaced in a first direction, this
In embodiment, K2=3+1=4, K1=1+1=2, generally, stepped voltage V4 is 0.0125V, but does not limits
In this, therefore, the compensation voltage V of region Xx=-0.0125*4+0.0125*2=-0.0125*2V, needs
Bright but, any restriction is done in the present embodiment not position to driver element U, the driver element U in Fig. 4 b
Position be only for example and non-limiting.
Or, in other embodiments, described region from described driver element distance in a second direction
Projected length more than described viewing area central point from the distance throwing in a second direction of described driver element
Shadow length, and described region from the distance projected length in a first direction of described driver element less than institute
State the viewing area central point distance projected length in a first direction from described driver element, then meet:
Vx=V4*K2-V4* K1 (3),
It is to say, illustrate, as illustrated in fig. 4 c:
Described region X is from distance projected length D in a second direction of described driver element Ux2More than institute
State viewing area center point P distance projected length D in a second direction from described driver element UP2, and institute
State region X distance projected length D in a first direction from described driver element Ux1Less than described display
District center point P is from distance projected length D in a first direction of described driver element UP1, then region X
Compensate voltage VxMeet: Vx=V4*K2-V4* K1, K2 are at described region and described display screen central point
Increasing by 1 on the basis of the region quantity that region is spaced in a second direction, K1 is in described region and institute
1 is increased, this reality on the basis of stating the region quantity that display screen central point region is spaced in a first direction
Executing in example, K2=3+1=4, K1=1+1=2, generally, stepped voltage V4 is 0.0125V, but is not limited to
This, therefore, the compensation voltage V of region Xx=0.0125*4-0.0125*2=0.0125*2V, needs explanation
But, any restriction is done in the present embodiment not position to driver element U, the position of the driver element U in Fig. 4 c
Put and be only for example and non-limiting.
Or, in other embodiments, described region from described driver element distance in a second direction
Projected length less than described viewing area central point from the distance throwing in a second direction of described driver element
Shadow length, and described region from the distance projected length in a first direction of described driver element less than institute
State the viewing area central point distance projected length in a first direction from described driver element, then meet:
Vx=-V4*K2-V4* K1 (4),
It is to say, illustrate, as shown in figure 4d:
Described region X is from distance projected length D in a second direction of described driver element Ux2It is more than
Described viewing area center point P is from distance projected length D in a second direction of described driver element UP2,
And described region X is from distance projected length D in a first direction of described driver element Ux1More than institute
State viewing area center point P distance projected length D in a first direction from described driver element UP1,
The then compensation voltage V of region XxMeet: Vx=-V4*K2-V4* K1, K2 are with described in described region
Increasing by 1 on the basis of the region quantity that display screen central point region is spaced in a second direction, K1 is
Base at the region quantity that described region and described display screen central point region are spaced in a first direction
Increasing by 1 on plinth, in the present embodiment, K2=3+1=4, K1=1+1=2, generally, stepped voltage V4 is
0.0125V, but it is not limited to this, therefore, the compensation voltage of region X
Vx=-0.0125*4-0.0125*2=-0.0125*2V；Need explanation but, the present embodiment is single to driving
Any restriction is done in the position of unit U, and the position of the driver element U in Fig. 4 c is only for example and non-limiting.
The display screen that this enforcement provides, carries out subregion by the viewing area of the array base palte to display screen, and
Obtain the compensation voltage in each region in advance, when scanning any region (that is in this any region
Public electrode wire be applied in basis common electric voltage time), at original data voltage base being applied to data wire
On plinth, more additionally apply to compensate voltage accordingly to the data wire in the described region scanned, so,
Equalized the voltage of public electrode wire each position, improve basis public voltage signal postpone cause public
The unbalanced situation of electrode wires each position voltage, improves the phenomenon that display screen flicker is uneven, improves aobvious
The display effect of showing device.
And owing to the application is to use data wire compensates (voltage of compensation is the benefit in each region
Repay voltage), and non-immediate public electrode wire is compensated；And to therefore, zoning can be horizontal
Division, it is also possible to be endways division；If if directly common electrical being compensated, due to grid
Polar curve is once switched on all pixels of a line, and therefore zoning can only endways divide, it is impossible to draws sidewards
Point.Further, if if directly compensating common electrical, its compensation effect is also right not as using
It is effective that data wire compensates, and that is because, and carries out causing being applied to public to common electrical
The current potential of the common electric voltage (COM voltage) of electric wire stirs back and forth so that public voltage signal is exchange letter
Number (i.e. forming AC-COM), rather than direct current signal, so, can increase power consumption, and feed-trough voltage
(Feedback) also it is not easy regulation, and data wire is compensated and just can solve the problems referred to above by employing,
Making compensation effect more preferable, also will not increase power consumption, feed-trough voltage (Feedback) is the most easily dimmable.
In another kind of embodiment, it is also possible to by optimal to each region of flicker probe direct detection
Common electric voltage, then, then deducts common potential (the i.e. viewing area central point region of display screen accordingly
Optimal common electric voltage), obtain the compensation voltage in each region, then the compensation voltage in each region burnt
Recording in the IC of display screen, so, this kind of method is to be obtained the compensation voltage in each region by actual measurement,
Then make corresponding compensation according to measured result, can further make up the difference that technological fluctuation causes
That is, different display screens can have the difference that technological fluctuation causes, and the present embodiment can be by surveying
To compensating voltage accordingly, every piece of display screen can be surveyed respectively, obtain each of every piece of display screen
The compensation voltage in region, so makes up the difference that technological fluctuation causes.
Last the embodiment of the present application additionally provides a kind of display device, including the display screen of any of the above-described kind.
Display device can be liquid crystal indicator (LCD), can be also organic light-emitting display device (OLED) etc.,
This is not specifically limited by the present embodiment.
Method and device, array base palte and the display dress that reduction display screen provided by the present invention flicker is uneven
Put, carry out subregion by the viewing area of the array base palte to display screen, and obtain the benefit in each region in advance
Repay voltage, when scanning any region (that is the public electrode wire in this any region is applied in base
During plinth common electric voltage), on the basis of original data voltage being applied to data wire, then scan described
Region in data wire additionally apply to compensate voltage accordingly, so, equalized public electrode wire everybody
The voltage put, improves the public electrode wire each position voltage inequality that basis public voltage signal postpones to cause
The situation of weighing apparatus, improves the phenomenon of display screen flicker uneven (flicker is uneven), improves display device
Display effect.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a display screen, including array base palte and driver element, described array base palte includes viewing area,
Described viewing area includes multiple region；
Described array base palte also includes:
Memorizer, for storing the compensation voltage in each region；
The controller being connected with described memorizer, it is described each that acquisition is stored in advance in described memorizer
The compensation voltage in region, to each bar number in the region at the public electrode wire place being applied in basis common electric voltage
Apply to compensate voltage accordingly according to line；
Wherein, the optimal common electric voltage that voltage is described each region that compensates in described each region deducts base
Plinth common electric voltage；Every public electrode wire is respectively provided with and does not dodges corresponding to described public electrode wire region
First magnitude of voltage time bright, the optimal common electric voltage in described each region is that described each region is corresponding
The average of all first magnitudes of voltage.
Display screen the most according to claim 1, it is characterised in that described basis common electric voltage is institute
State the optimal common electric voltage of central point region, viewing area.
Display screen the most according to claim 1, it is characterised in that described viewing area includes m*n district
Territory, wherein,
In a first direction by (V1-V2)/V4Dividing, it is described m that result enters a round numbers；And,
In a second direction by (V2-V3)/V4Dividing, it is described n that result enters a round numbers；
Wherein, described viewing area includes the first summit, the second summit and the 3rd summit, described first summit
Being formed in parallel with first direction with the line on the second summit, the line on described second summit and the 3rd summit is put down
Row is in second direction；V1It it is the optimal common electric voltage of the first region, summit；V2It it is the second place, summit
The optimal common electric voltage in region；V3It is the optimal common electric voltage of the 3rd region, summit, V1>V2,
V2>V3, V4For stepped voltage.
Display screen the most according to claim 3, it is characterised in that
Along described first direction, between the compensation voltage corresponding to adjacent two regions, differ V4；
Along described second direction, between the compensation voltage corresponding to adjacent two regions, differ V4。
Display screen the most according to claim 4, it is characterised in that
Described region from the distance projected length in a second direction of described driver element more than described display
District center point is from the distance projected length in a second direction of described driver element, and described region is from institute
State the distance of driver element projected length in a first direction to drive from described more than described viewing area central point
The distance of moving cell projected length in a first direction, then meet:
Vx=V4*K2+V4*K1；(1),
Or, described region from the distance projected length in a second direction of described driver element less than institute
State the viewing area central point distance projected length in a second direction from described driver element, and described district
Territory from described driver element distance projected length in a first direction more than described viewing area central point from
The distance of described driver element projected length in a first direction, then meet:
Vx=V4*K2+V4* K1 (2),
Or, described region from the distance projected length in a second direction of described driver element more than institute
State the viewing area central point distance projected length in a second direction from described driver element, and described district
Territory from described driver element distance projected length in a first direction less than described viewing area central point from
The distance of described driver element projected length in a first direction, then meet:
Vx=V4*K2-V4* K1 (3),
Or, described region from the distance projected length in a second direction of described driver element less than institute
State the viewing area central point distance projected length in a second direction from described driver element, and described district
Territory from described driver element distance projected length in a first direction less than described viewing area central point from
The distance of described driver element projected length in a first direction, then meet:
Vx=-V4*K2-V4* K1 (4),
Wherein, VxFor the compensation voltage in any one region, K2 is in described region with described display screen
Increasing by 1 on the basis of the region quantity that heart point region is spaced in a second direction, K1 is in described region
And increase by 1 on the basis of the region quantity that described display screen central point region is spaced in a first direction.
6. according to the display screen according to any one of claim 1-5, it is characterised in that described memorizer
And/or described controller is integrated in described driver element.
7. according to the display screen according to any one of claim 1-5, it is characterised in that described array base
Plate also includes that flexible PCB, described memorizer and/or described controller are integrated in described flexible PCB.
8. a display device, including the display screen as according to any one of claim 1-7.
9. reduce the device that display screen flicker is uneven, be applied to display device, described display device bag
Including display screen, described display screen includes that array base palte, described array base palte include viewing area, described display
District includes multiple region；The device of described reduction display screen flicker inequality includes:
Memory module, for storing the compensation voltage in described each region；And,
Control module, obtains the compensation voltage in the described each region being stored in advance in described memory module,
Pieces of data line in the region at the public electrode wire place being applied in basis common electric voltage is applied corresponding benefit
Repay voltage；
Wherein, the optimal common electric voltage that voltage is described each region that compensates in described each region deducts base
Plinth common electric voltage；Every public electrode wire is respectively provided with and does not dodges corresponding to described public electrode wire region
First magnitude of voltage time bright, the optimal common electric voltage in described each region is that described each region is corresponding
The average of all first magnitudes of voltage.
10. reducing the method that display screen flicker is uneven, be applied to display screen, described display screen includes
Array base palte, described array base palte includes that viewing area, the method for described reduction display screen flicker inequality include:
Described viewing area is carried out subregion, forms multiple region；
Obtain the compensation voltage in the described each region prestored, to the public affairs being applied in basis common electric voltage
In the region at common-battery polar curve place, pieces of data line applies to compensate voltage accordingly respectively；
Wherein, the optimal common electric voltage that voltage is described each region that compensates in described each region deducts base
Plinth common electric voltage；Every public electrode wire is respectively provided with and does not dodges corresponding to described public electrode wire region
First magnitude of voltage time bright, the optimal common electric voltage in described each region is that described each region is corresponding
The average of all first magnitudes of voltage.
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| CN105118457B (en) * | 2015-09-11 | 2017-12-08 | 昆山龙腾光电有限公司 | The bearing calibration of flicker of display panel, means for correcting |
| CN105529008B (en) * | 2016-02-01 | 2018-03-30 | 深圳市华星光电技术有限公司 | The driving method of liquid crystal display panel |
| CN105632450B (en) * | 2016-04-07 | 2019-02-22 | 京东方科技集团股份有限公司 | A kind of bearing calibration of display panel and device |
| CN106098013A (en) * | 2016-08-23 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of driving method showing module and driving means, display device |
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| CN107065350B (en) * | 2017-04-10 | 2019-10-25 | 深圳市华星光电半导体显示技术有限公司 | Eight farmland 3T dot structures |
| CN108172185A (en) * | 2018-01-03 | 2018-06-15 | 深圳禾苗通信科技有限公司 | It is a kind of to reduce the uneven method of LCD panel flicker flickers |
| CN109036255A (en) * | 2018-09-30 | 2018-12-18 | 厦门天马微电子有限公司 | A kind of display driving method, display drive apparatus and display equipment |
| CN109509453B (en) * | 2018-12-24 | 2021-05-14 | 惠科股份有限公司 | Display panel driving method, device and readable storage medium |
| CN109377967B (en) | 2018-12-25 | 2020-07-10 | 惠科股份有限公司 | Display panel correction method and display device |
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| CN111091778A (en) * | 2020-03-22 | 2020-05-01 | 深圳市华星光电半导体显示技术有限公司 | Source driver, display device and driving method thereof |
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