CN104157256B - Liquid crystal display and compensation method for display picture thereof - Google Patents
Liquid crystal display and compensation method for display picture thereof Download PDFInfo
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Abstract
The invention provides a compensation method for a display picture of a liquid crystal display, which comprises the following steps: calculating global compensation data according to a global frame of the liquid crystal display, and generating at least two one-dimensional global data tables according to the global compensation data; performing global compensation on the global picture according to at least two one-dimensional global data tables; calculating local compensation data according to the local picture of the compensated global picture, and generating at least two one-dimensional local data tables according to the local compensation data; and performing area compensation on the area picture according to the at least two one-dimensional area data tables. The compensation method for the display picture of the liquid crystal display can solve the problem that the liquid crystal display adopting a common picture compensation mode needs a large amount of memories, so that the manufacturing cost is relatively increased.
Description
Technical field
The present invention relates to the processing method of a kind of display device and picture thereof, and particularly to a kind of liquid crystal
Show device and the compensation method of display picture thereof.
Background technology
Liquid crystal display (Liquid crystal display, LCD) is commonly used for display device, and this is to make based on it
The ability of high quality image can be shown with a little electric power.But, owing to during fabrication, often can produce
Defective liquid crystal display, causes liquid crystal display when showing picture, has display uneven (Mura)
Phenomenon.
For solving to show that the phenomenon of uneven (Mura), industry propose the frame compensation of a kind of liquid crystal display
(De-mura) mode, will need the compensating parameter of the two-dimensional position compensated, accordingly in liquid crystal display
Be recorded in two-dimensional data table, with in liquid crystal display display picture time, by two-dimensional data table read
Compensating parameter is to compensate liquid crystal display.
But, frame compensation (De-mura) mode of above-mentioned liquid crystal display, need a large amount of two-dimensional positions
Compensating parameter be correspondingly recorded in two-dimensional data table, therefore, substantial amounts of internal memory need to be taken, thus lead
The liquid crystal display substantial amounts of memorizer of needs of cause employing above-mentioned frame compensation (De-mura) mode, so,
The cost of manufacture of liquid crystal display improves relatively.
As can be seen here, above-mentioned existing mode, it is clear that still suffer from inconvenience and defect, and have much room for improvement.For
Solution the problems referred to above, association area seeks solution the most painstakingly, but the most not yet
Develop suitable solution.
Summary of the invention
Summary of the invention aims to provide the simplification summary of present disclosure, so that present disclosure is had by reader
Standby basic understanding.The complete overview of this summary of the invention not present disclosure, and its be not intended to refer to
Go out the key/critical element of the embodiment of the present invention or define the scope of the present invention.
One purpose of present invention is to provide a kind of liquid crystal display and the compensation side of display picture thereof
Method, uses the problem improved in the presence of prior art.
For reaching above-mentioned purpose, a technology aspect of present invention is the display about a kind of liquid crystal display
The compensation method of picture, this compensation method comprises the steps of
Universe picture according to liquid crystal display is to calculate universe offset data, and compensates number according to universe
Produce at least two one-dimensional universe tables of data according to this；
According at least two one-dimensional universe tables of data so that universe picture is carried out universe compensation；
According to the regional display of universe picture after compensating to calculate regional compensation data, and according to region
Offset data is to produce at least two one-dimensional area data table；And
According at least two one-dimensional area data table so that regional display is carried out regional compensation.
According to one embodiment of the invention, the compensation method of the display picture of foregoing liquid crystal display also comprises:
Extract the universe picture after compensating；And according to the universe picture after compensating to obtain regional display.
According to another embodiment of the present invention, the compensation method of the display picture of foregoing liquid crystal display is also wrapped
Contain: according to universe picture to calculate universe offset data, and be stored in two dimension universe tables of data；And
Universe picture after relatively compensating and two dimension universe tables of data are to obtain regional display.
According to yet another embodiment of the invention, the portion beyond the aforementioned regional display to the universe picture after compensating
It is allocated as property ground universe at least one times to compensate.
According to further embodiment of this invention, the aforementioned universe picture according to liquid crystal display is to calculate universe
The step of offset data, comprises: universe picture and input picture according to liquid crystal display are to calculate
Universe offset data.
According to another embodiment of the present invention, aforementioned one-dimensional entirely to produce at least two according to universe offset data
The step of numeric field data table, comprises: according to the first direction data of universe offset data to produce at least two
One of one-dimensional universe tables of data；And according to the second direction data of universe offset data to produce at least
Another of two one-dimensional universe tables of data.
According to yet another embodiment of the invention, aforementioned according to regional compensation data to produce the one-dimensional district of at least two
The step of numeric field data table, comprises: according to the first direction data of regional compensation data to produce at least two
One of one-dimensional area data table；And according to the second direction data of regional compensation data to produce at least
Another of two one-dimensional area data tables.
According to further embodiment of this invention, aforementioned first direction is perpendicular to second direction.
According to another embodiment of the present invention, the compensation method of the display picture of foregoing liquid crystal display is also wrapped
Contain: the universe picture of extracting solution crystal display.
For reaching above-mentioned purpose, another technology aspect of present invention is about a kind of liquid crystal display, this
Liquid crystal display comprises universe compensating unit and regional compensation unit.Universe compensating unit is in order to according to liquid
The universe picture of crystal display to calculate universe offset data, and according to universe offset data with produce extremely
Few two one-dimensional universe tables of data, wherein universe compensating unit is also in order to according at least two one-dimensional universe number
According to table so that universe picture is carried out universe compensation.Regional compensation unit is in order to according to the universe picture after compensating
Regional display to calculate regional compensation data, and according to regional compensation data to produce at least two one
Dimension area data table, wherein regional compensation unit also in order to according at least two one-dimensional area data table with right
Regional display carries out regional compensation.
According to one embodiment of the invention, foregoing liquid crystal display also comprises extraction unit, and this extraction unit is used
With extract compensate after universe picture, wherein regional compensation unit in order to according to compensate after universe picture with
Obtain regional display.
According to another embodiment of the present invention, aforementioned universe compensating unit also in order to according to universe picture with calculate
Go out universe offset data, and according to universe offset data to produce two dimension universe tables of data, wherein universe is mended
Repay unit also in order to the universe picture after comparing compensation with two dimension universe tables of data to obtain regional display.
According to yet another embodiment of the invention, the aforementioned universe compensating unit region to the universe picture after compensating
Offscreen part is made property ground universe at least one times and is compensated.
According to further embodiment of this invention, aforementioned universe compensating unit also complete in order to according to liquid crystal display
Territory picture and input picture are to calculate universe offset data.
According to another embodiment of the present invention, foregoing liquid crystal display also comprises memorizer, this memorizer in order to
Storage at least two one-dimensional universe tables of data and at least two one-dimensional area data table.
According to yet another embodiment of the invention, of at least two of aforementioned memory one-dimensional universe tables of data
In order to store the first direction data of universe offset data, another of at least two one-dimensional universe tables of data
In order to store the second direction data of universe offset data.
According to further embodiment of this invention, aforementioned first direction is perpendicular to second direction.
According to another embodiment of the present invention, foregoing liquid crystal display also comprises extraction unit, this extraction unit
Universe picture in order to extracting solution crystal display.
Therefore, according to the technology contents of the present invention, the embodiment of the present invention is by providing a kind of liquid crystal display
And the compensation method of display picture, use and improve the liquid crystal using general frame compensation (De-mura) mode
Display needs a large amount of memorizeies, causes the problem that cost of manufacture improves relatively.
After refering to following description, those skilled in the art of the present invention are when will readily appreciate that the present invention's
Essence spirit and other goals of the invention, and the technology used in the present invention means with implement aspect.
Accompanying drawing explanation
For the above and other purpose of the present invention, feature, advantage can be become apparent with embodiment, institute
Being described as follows of accompanying drawing:
Fig. 1 is the compensation side of the display picture showing a kind of liquid crystal display according to one embodiment of the invention
The schematic flow sheet of method.
Fig. 2 is the circuit box signal showing a kind of liquid crystal display according to another embodiment of the present invention
Figure.
According to usual operating type, in figure, various features are not drawn to scale with element, its drafting side
Formula is to present specific features related to the present invention and element in optimal manner.Additionally, in difference
Graphic, censure similar elements/components with same or analogous component symbol.
Wherein, description of reference numerals is as follows:
100: the compensation method of the display picture of liquid crystal display
110～160: step
200: liquid crystal display
210: universe compensating unit
220: regional compensation unit
230: extraction unit
240: memorizer
Detailed description of the invention
In order to the narration making present disclosure is more detailed with complete, below for the enforcement state of the present invention
Sample and specific embodiment propose illustrative description；But this not implements or uses the present invention to be embodied as
The unique forms of example.Embodiment covers the feature of multiple specific embodiment and in order to construction and behaviour
Make method step and its order of these specific embodiments.But, it is possible to utilize other specific embodiments
Reach identical or impartial function and sequence of steps.
Unless this specification is defined otherwise, the implication of science and technology vocabulary used herein is with the present invention originally
Skilled person is understood and usual same meaning.Additionally, when getting along well context conflict,
Singular noun used by this specification contains the complex number type of this noun；And be also covered by during plural noun used
The odd number type of this noun.
A large amount of internal memories are needed for improving the liquid crystal display using general frame compensation (De-mura) mode, and
Deriving cost of manufacture higher and occupy the problems such as liquid crystal display space, the present invention proposes a kind of liquid crystal
Show device and the compensation method of display picture thereof.By and large, the present invention propose liquid crystal display and compensation
Method uses one-dimensional data table to record the compensating parameter of position needing in liquid crystal display to compensate,
So, compared to using two-dimensional data table to record compensating parameter, the present invention uses one-dimensional data table to remember
The internal memory taken needed for the mode of record compensating parameter is less, thus can save memorizer.Hereby by the present invention's
After the compensation method of liquid crystal display and display picture thereof is described in detail such as.
Fig. 1 is the compensation method of the display picture showing a kind of liquid crystal display according to one embodiment of the invention
The schematic flow sheet of 100.As it can be seen, the compensation method 100 of the display picture of liquid crystal display comprises
Following steps:
Step 110: the universe picture of extracting solution crystal display；
Step 120: according to the universe picture of liquid crystal display to calculate universe offset data, and according to
Universe offset data is to produce at least two one-dimensional universe tables of data；
Step 130: according at least two one-dimensional universe tables of data so that universe picture is carried out universe compensation；
Step 140: extract the universe picture after compensating；
Step 150: according to the regional display of universe picture after compensating to calculate regional compensation data,
And according to regional compensation data to produce at least two one-dimensional area data table；And
Step 160: according at least two one-dimensional area data table so that regional display is carried out regional compensation.
For the benefit of understand the compensation method 100 of the display picture of the liquid crystal display of the embodiment of the present invention, please
In the lump refering to Fig. 2, it is the electricity showing a kind of liquid crystal display 200 according to another embodiment of the present invention
Road block schematic diagram, the liquid crystal display 200 below in conjunction with Fig. 2 illustrates compensation method illustratively
The embodiment of 100.It should be noted that, the step of the compensation method 100 shown in Fig. 1 do not limit by
The element of liquid crystal display 200 performs, following example only in order to illustrate the present invention implementation it
One, the scope of the compensation method 100 of the embodiment of the present invention is when depending on claim.
First, inner member and the annexation of liquid crystal display 200 are described.As in figure 2 it is shown, liquid crystal
Display 200 comprises universe compensating unit 210, regional compensation unit 220, extraction unit 230 and deposits
Reservoir 240.In annexation, universe compensating unit 210 is electrically coupled to regional compensation unit 220,
Extraction unit 230 is electrically coupled to universe compensating unit 210 and regional compensation unit 220, memorizer 240
It is electrically coupled to universe compensating unit 210 and regional compensation unit 220.
Secondly, Fig. 1 and Fig. 2 is seen also.In step 110, can by extraction unit 230 with
The universe picture (referring to the diagram in Fig. 2 upper left corner) of extracting solution crystal display 200.So-called universe is drawn
Face refers to the maximum picture that liquid crystal display 200 can show, therefore, universe picture is alternatively referred to as liquid
The overall picture that crystal display 200 is presented.In one embodiment, extraction unit 230 can be camera,
The compensation method 100 of the embodiment of the present invention can shoot the universe of liquid crystal display 200 by this camera
Picture.
Refer to step 120, can be drawn according to the universe of liquid crystal display 200 by universe compensating unit 210
Face is to calculate universe offset data.So-called universe offset data is the universe picture of liquid crystal display 200
In, the compensating parameter data that need to compensate because showing uneven phenomenon, such as liquid crystal display 200
Need universe picture is shown the grey decision-making data that uneven place compensates, so that the liquid crystal after Bu Changing
Show that device 200 presents uniform picture.
Furthermore, universe offset data also needs to compensate about in the universe picture of liquid crystal display 200
Position coordinates, for example, it is assumed that M point belongs to and shows uneven point in universe picture in Fig. 2, and need
Wanting compensation method 100 to compensate for M point, therefore, universe offset data is also about the seat of M point
Cursor position.In one embodiment, compensation method 100 can be by universe compensating unit 210 according to liquid crystal display
The universe picture of device 200 and input picture are to calculate universe offset data.
Subsequently, please continue to refer to step 120, universe compensating unit 210 according to universe offset data to produce
Raw at least two one-dimensional universe tables of data.As it has been described above, universe offset data is the position about two-dimensional system
Put coordinate, the two-dimensional position coordinate of M point as shown in Figure 2.In this step, universe compensating unit
210 data that two-dimensional position coordinate data is split as two One-dimensional Systems and to produce at least two one-dimensional entirely
Numeric field data table, such as one-dimensional universe tables of data A and one-dimensional universe tables of data B in Fig. 2 upper left corner.
For example, universe offset data comprises the X-axis data of M point and Y-axis data in Fig. 2, entirely
The coordinate of M point can be split as X-axis data and Y-axis data and produce X-axis number by domain compensation unit 210
According to table (such as: one-dimensional universe tables of data A) and Y-axis tables of data (such as: one-dimensional universe tables of data B),
Compensating parameter is noted down respectively by X-axis tables of data and Y-axis tables of data.Furthermore, for example, universe
After the coordinate of M point can be split by compensating unit 210, the corresponding offset of X-direction is stored in one-dimensional
In universe tables of data A, it addition, the respective weights of Y-direction is stored in one-dimensional universe tables of data B,
The position relation of above-mentioned X-direction and Y-direction see the coordinate in Fig. 2 lower left corner.So, compared to
Using two-dimensional data table to record compensating parameter, the present invention uses one-dimensional data table to record compensating parameter
The memorizer taken needed for mode is less, thus can save memorizer.
Refer to step 130, can be by universe compensating unit 210 according at least two one-dimensional universe data
Table is to carry out universe compensation to universe picture.In this step, can be by universe compensating unit 210 by two
The data of the One-dimensional System that individual one-dimensional universe tables of data is corresponding are integrated, such as universe compensating unit 210
Can carry out integrating by one-dimensional universe tables of data A and one-dimensional universe tables of data B and obtain two-dimensional coordinate, so,
Universe compensating unit 210 will can learn position coordinates and the compensating parameter of two-dimensional system, and draw universe
The above-mentioned position in face compensates, and shows uneven (Mura) improving the picture of liquid crystal display 200
Phenomenon.
Open on as it was noted above, compensation mechanism can be effectively improved liquid crystal display 200 universe picture show
Show the phenomenon of uneven (Mura), only the compensation method 100 of the embodiment of the present invention be also equipped with following mechanism with
Promote precision further, after describing in detail such as.
As shown in step 140, can be by extraction unit 230 with shown by extracting solution crystal display 200
Universe picture after compensated.In the present embodiment, being similar to the flow process of step 110, the present invention implements
The compensation method 100 of example can by camera shoot compensated after universe picture.
Refer to step 150, the regional compensation unit 220 district according to the universe picture after compensating can be passed through
Territory picture (referring to the diagram in Fig. 2 upper right corner) is to calculate regional compensation data.So-called regional display
Referring to the Partial Block in the universe picture of liquid crystal display 200, this block is not limited to any coordinate bit
Put, and its size is when depending on actual state.
In the present embodiment, the mode obtaining regional display can be, by regional compensation unit 220 basis
Universe picture after compensation is to obtain this regional display.In another embodiment, the side of regional display is obtained
Formula can be, by universe compensating unit 210 according to universe picture to calculate universe offset data, and deposits
It is stored in two dimension universe tables of data, subsequently, the universe after compensation can be compared by universe compensating unit 210 and draw
Face and two dimension universe tables of data are to obtain regional display.For example, universe compensating unit 210 compares benefit
After universe picture after repaying and the offset data in two dimension universe tables of data, universe compensating unit 210 can be looked for
Going out at the difference of the universe picture after compensating and the offset data in two dimension universe tables of data, this difference is in
Block in universe picture is above-mentioned zone picture.
Please continue to refer to step 150, regional compensation unit 220 can be passed through according to regional compensation data to produce
Raw at least two one-dimensional area data table.Associated description in above-mentioned steps 120, regional compensation
Data are the position coordinateses about two-dimensional system, and the regional display as shown in Fig. 2 top right plot (comprises M point
Regional display) two-dimensional position coordinate, in this step, regional compensation unit 220 is by two-dimensional position
Coordinate data is split as the data of two One-dimensional Systems and produces at least two one-dimensional area data table, such as figure
The one-dimensional area data table C and one-dimensional area data table D in 2 upper right corner.
For example, regional compensation packet contains the X-axis data of regional display and Y-axis data in Fig. 2,
The coordinate of regional display can be split as X-axis data and produce with Y-axis data by regional compensation unit 220
Produce X-axis tables of data (such as: one-dimensional area data table C) with Y-axis tables of data (such as: one-dimensional number of regions
According to table D).
In one embodiment, what the memorizer 240 shown in Fig. 2 may be used to described in storing step 120 is one-dimensional
Universe tables of data A and one-dimensional universe tables of data B, additionally, memorizer 240 also may be used to storing step 150
Described one-dimensional area data table C and one-dimensional area data table D.In another embodiment, memorizer 240
In one-dimensional universe tables of data A may be used to store X-axis data, correspondingly, in memorizer one-dimensional entirely
Numeric field data table B may be used to store Y-axis data.It addition, the one-dimensional area data table C in memorizer 240
May be used to store X-axis data, relatively, the one-dimensional area data table D in memorizer 240 may be used to
Storage Y-axis data.
Refer to step 160, can be by regional compensation unit 220 according to the one-dimensional area data of at least two
Table is to carry out regional compensation to regional display.Similar in appearance to step 130, in step 160, district can be passed through
The data of One-dimensional System corresponding for two one-dimensional area data tables are integrated by domain compensation unit 220, example
Can carry out integrating by one-dimensional area data table C and one-dimensional area data table D such as regional compensation unit 220 and
Obtaining two-dimensional coordinate, so, regional compensation unit 220 will can learn position coordinates and the benefit of two-dimensional system
Repay parameter, and the above-mentioned position of regional display is compensated, to improve liquid crystal display 200 further
Picture show the phenomenon of uneven (Mura), and can more promote the compensation method of the embodiment of the present invention
The precision of 100.
It should be noted that, above-mentioned universe compensating unit 210 and regional compensation unit 220 can be come by processor
Realizing, this treatment element can be central processing unit (Central Processing Unit, CPU), control
Element (control unit), microprocessor (micro processor) or the hardware of other executable instructions
Element.
In one embodiment, refer to Fig. 2, to M point in figure except carrying out the universe shown in step 130
Outside compensation, owing in figure, M point also falls in needing the regional display being further compensate for, therefore, in figure
M point need to perform the regional compensation shown in step 160 further.It addition, N point is not as seen from Figure 2
Fall in needing the regional display being further compensate for, therefore, N point in figure only need to be carried out step 130 institute
The universe shown compensates, in other words, for beyond the regional display of the universe picture after compensating part (as
N point), make property ground universe at least one times and compensate.So, the compensation method 100 of the embodiment of the present invention,
Except can execution regional compensation further to regional display to promote in addition to precision, above-mentioned to regional display beyond
Block is made the mode that property ground universe compensates at least one times and then can be saved further when keeping precision
Save operand.
In another embodiment, after the calculation of above-mentioned offset discloses such as.Refer to Fig. 2, in figure
The compensation value calculation formula of M point is as follows:
M=A × B+C × D ... formula 1
Above-mentioned M represents the offset of M point, A and B represents in one-dimensional universe tables of data A and B respectively
The offset of record, the offset that C and D records in representing one-dimensional area data table C and D the most respectively.
For example, if M point is in regional display, then M point needs to carry out universe compensation in the lump and region is mended
Repay, so the offset of M point is about one-dimensional universe tables of data A and B and one-dimensional area data table C
And D.Assume that the offset in one-dimensional universe tables of data A that M point is corresponding and B is respectively 25.5915
And 1.0455, it addition, the offset in one-dimensional area data table C and D of M point correspondence is respectively 0.685
And 1.013, above-mentioned offset to be brought in formula 1, i.e. can get the offset of M point, its value is 27.45.
Subsequently, refer to step 130 and 160, by picture show on M point uneven as a example by, liquid can be passed through
M point is compensated by crystal display 200 according to the offset 27.45 of M point, so that the liquid after Bu Changing
Crystal display 200 presents uniform picture.
Additionally, please continue to refer to Fig. 2, in figure, the compensation value calculation formula of N point is as follows:
N=A × B ... formula 2
Above-mentioned N represents the offset of N point, A and B represents one-dimensional universe tables of data A and B the most respectively
The offset of interior record.Owing to N point does not falls within regional display, therefore, N point only needs to carry out universe
Compensate, so the offset of N point is only about one-dimensional universe tables of data A and B.Assume N point correspondence
Offset in one-dimensional universe tables of data A and B is respectively 25.1018 and 0.953, by above-mentioned offset
Bringing in formula 2, i.e. can get the offset of N point, its value is 23.922.Subsequently, step is referred to
130, by universe picture show on N point uneven as a example by, universe compensating unit 210 basis can be passed through
N point is compensated by the offset 23.922 of N point, so that the liquid crystal display 200 after Bu Changing presents
Go out uniform picture.
The compensation method 100 of the display picture of liquid crystal display as above all can by software, hardware with
/ or firmware perform.For example, if to perform speed and accuracy for primarily considering, the most substantially may be used
It is main for selecting hardware and/or firmware；If with design flexibility for primarily considering, the most substantially can be selected for software is
Main；Or, software, hardware and firmware work compound can be used simultaneously.It will be understood that it is provided above
These examples are not so-called, and which is better and which is worse point, also and be not used to limit the present invention, people in the art
Member was when depending on needing elastic design at that time.
Furthermore, those skilled in the art when it can be appreciated that liquid crystal display display picture compensation method 100
In each step according to its perform function named, merely to allow the technology of the application become apparent from easily
Understand, be not limited to such step.Each step is integrated into same step or is split into multiple step
Suddenly, or change to either step another step performs, all still fall within the embodiment party of present disclosure
Formula.
From the invention described above embodiment, the application present invention has following advantages.The embodiment of the present invention
By providing a kind of liquid crystal display 200 and the compensation method 100 of display picture thereof, use improvement and use
The liquid crystal display of general frame compensation (De-mura) mode needs a large amount of memorizeies, causes cost of manufacture phase
To the problem improved.
Although disclosing the specific embodiment of the present invention above in embodiment, so it is not limited to this
Invention, those skilled in the art, when not departing from the principle of the present invention with spirit, when can be to it
Carrying out various change and modification, therefore protection scope of the present invention is when with what claims defined being
Accurate.
Claims (19)
1. a compensation method for the display picture of liquid crystal display, comprises:
A universe picture according to this liquid crystal display is to calculate universe offset data, and according to this universe
Offset data is to produce at least two one-dimensional universe tables of data；
According to this at least two one-dimensional universe tables of data so that this universe picture is carried out a universe compensation；
According to the regional display of this universe picture after compensating to calculate regional compensation data, and according to
These regional compensation data are to produce at least two one-dimensional area data table；And
According to this at least two one-dimensional area data table so that this regional display is carried out a regional compensation.
2. compensation method as claimed in claim 1, also comprises:
Extract this universe picture after compensating；And
According to this universe picture after compensating to obtain this regional display.
3. compensation method as claimed in claim 1, also comprises:
According to this universe picture to calculate universe offset data, and it is stored in a two dimension universe tables of data；
And
This universe picture after relatively compensating and this two dimension universe tables of data are to obtain this regional display.
4. compensation method as claimed in claim 1, wherein this district to this universe picture after compensating
The offscreen part in territory is made property ground universe at least one times and is compensated.
5. compensation method as claimed in claim 1, wherein draws according to this universe of this liquid crystal display
Face, to calculate the step of universe offset data, comprises:
This universe picture and an input picture according to this liquid crystal display compensate to calculate this universe
Data.
6. compensation method as claimed in claim 1, wherein should to produce according to this universe offset data
The step of at least two one-dimensional universe tables of data, comprises:
First direction data according to this universe offset data are to produce this at least two one-dimensional universe number
According to table one；And
Second direction data according to this universe offset data are to produce this at least two one-dimensional universe number
According to another of table.
7. compensation method as claimed in claim 1, wherein should to produce according to these regional compensation data
The step of at least two one-dimensional area data table, comprises:
First direction data according to these regional compensation data are to produce the one-dimensional number of regions of this at least two
According to table one；And
Second direction data according to these regional compensation data are to produce the one-dimensional number of regions of this at least two
According to another of table.
Compensation method the most as claimed in claims 6 or 7, wherein this first direction be perpendicular to this second
Direction.
9. compensation method as claimed in claim 1, also comprises:
Extract this universe picture of this liquid crystal display.
10. a liquid crystal display, comprises:
One universe compensating unit, mends to calculate universe in order to the universe picture according to this liquid crystal display
Repay data, and according to this universe offset data to produce at least two one-dimensional universe tables of data, wherein this is complete
Domain compensation unit also in order to according to this at least two one-dimensional universe tables of data so that this universe picture is carried out one
Universe compensates；And
One regional compensation unit, in order to according to the regional display of this universe picture after compensating to calculate
Regional compensation data, and according to these regional compensation data to produce at least two one-dimensional area data table, its
In this regional compensation unit also in order to according to this at least two one-dimensional area data table with to this regional display
Carry out a regional compensation.
11. liquid crystal displays as claimed in claim 10, also comprise:
One extraction unit, in order to extract this universe picture after compensation, wherein this regional compensation unit in order to
According to this universe picture after compensating to obtain this regional display.
12. liquid crystal displays as claimed in claim 10, wherein this universe compensating unit is also in order to root
According to this universe picture to calculate universe offset data, and according to this universe offset data to produce a two dimension
Universe tables of data, wherein this universe compensating unit is also in order to compare this universe picture after compensation and this two dimension
Universe tables of data is to obtain this regional display.
13. liquid crystal displays as claimed in claim 10, after wherein this universe compensating unit is to compensating
This universe picture this regional display beyond part make at least one times property ground universe compensate.
14. liquid crystal displays as claimed in claim 10, wherein this universe compensating unit is also in order to root
This universe picture and an input picture according to this liquid crystal display are to calculate this universe offset data.
15. liquid crystal displays as claimed in claim 10, also comprise:
One memorizer, in order to store this at least two one-dimensional universe tables of data and the one-dimensional region of this at least two
Tables of data.
16. liquid crystal displays as claimed in claim 15, wherein this at least two one of this memorizer
Dimension one of universe tables of data is in order to store first direction data of this universe offset data, and these are at least two years old
Another of individual one-dimensional universe tables of data is in order to store second direction data of this universe offset data.
17. liquid crystal displays as claimed in claim 15, wherein this at least two one of this memorizer
Dimension one of area data table is in order to store first direction data of these regional compensation data, and these are at least two years old
Another of individual one-dimensional area data table is in order to store second direction data of these regional compensation data.
18. liquid crystal displays as described in claim 16 or 17, wherein this first direction is perpendicular to this
Second direction.
19. liquid crystal displays as claimed in claim 10, also comprise:
One extraction unit, in order to extract this universe picture of this liquid crystal display.
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| TW103119896 | 2014-06-09 | ||
| TW103119896A TWI506614B (en) | 2014-06-09 | 2014-06-09 | Liquid crystal display and method for compensating display frame thereof |
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| CN104157256A CN104157256A (en) | 2014-11-19 |
| CN104157256B true CN104157256B (en) | 2016-10-26 |
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| CN201410423945.4A Expired - Fee Related CN104157256B (en) | 2014-06-09 | 2014-08-26 | Liquid crystal display and compensation method for display picture thereof |
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| TW (1) | TWI506614B (en) |
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| CN104409066B (en) | 2014-12-10 | 2017-04-19 | 深圳市华星光电技术有限公司 | Method for acquiring gray-scale compensation value of pixel |
| CN107180605A (en) * | 2016-03-11 | 2017-09-19 | 青岛海信电器股份有限公司 | A kind of method for eliminating display device Mura, elimination display device Mura devices and display device |
| CN105913815B (en) * | 2016-04-15 | 2018-06-05 | 深圳市华星光电技术有限公司 | Display panel Mura phenomenon compensation methodes |
| CN107945727B (en) * | 2017-11-23 | 2020-06-05 | 深圳市华星光电半导体显示技术有限公司 | Mura phenomenon compensation method and device |
| CN109741715B (en) * | 2019-02-25 | 2020-10-16 | 深圳市华星光电技术有限公司 | Compensation method and compensation device for display panel and storage medium |
| TWI718895B (en) * | 2020-03-10 | 2021-02-11 | 友達光電股份有限公司 | Demura system of display and demura method thereof |
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| KR101127843B1 (en) * | 2005-10-25 | 2012-03-21 | 엘지디스플레이 주식회사 | Flat Display Apparatus And Picture Quality Controling Method Thereof |
| TW200723169A (en) * | 2005-12-12 | 2007-06-16 | Novatek Microelectronics Corp | Compensating hardware for non-uniform regions in flat display |
| US8049695B2 (en) * | 2007-10-15 | 2011-11-01 | Sharp Laboratories Of America, Inc. | Correction of visible mura distortions in displays by use of flexible system for memory resources and mura characteristics |
| TWI434251B (en) * | 2007-12-21 | 2014-04-11 | Au Optronics Corp | Dynamic touch mura compensation method and related liquid crystal display system |
| CN102142224B (en) * | 2010-02-01 | 2013-10-23 | 夏普株式会社 | Display device, uneven brightness correction method, correction data making device and correction data making method |
| KR101769120B1 (en) * | 2010-08-10 | 2017-08-18 | 삼성디스플레이 주식회사 | Display device and driving method thereof |
| TWI470610B (en) * | 2012-05-24 | 2015-01-21 | Innocom Tech Shenzhen Co Ltd | Image display systems and methods for adjusting pixel values |
| US9013384B2 (en) * | 2012-06-08 | 2015-04-21 | Apple Inc. | Systems and methods for reducing or eliminating mura artifact using contrast enhanced imagery |
| US9519164B2 (en) * | 2012-06-08 | 2016-12-13 | Apple Inc. | Systems and methods for mura calibration preparation |
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| CN104157256A (en) | 2014-11-19 |
| TWI506614B (en) | 2015-11-01 |
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