CN106652941B - A kind of method, system and the liquid crystal display of determining W sub-pixel data - Google Patents
A kind of method, system and the liquid crystal display of determining W sub-pixel data Download PDFInfo
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Abstract
A kind of method of determining W sub-pixel data includes selected pixels cell data matrix, wherein the data matrix is the data matrix of 3 × 3 forms；According to the pixel data of the non-center position in the data matrix, the new W sub-pixel data in the pixel data of the center in the data matrix are determined；The W sub-pixel data of pixel data in center are updated to the new W sub-pixel data.Therefore, new W sub-pixel data can be updated to by the W sub-pixel data in the pixel data of center.Therefore, it can be effectively improved font white edge, font is made to reach the display effect close to RGB panel, to improve font display effect.
Description
Technical field
The present invention relates to a kind of field of display technology, more particularly, to a kind of method of determining W sub-pixel data, system and
Liquid crystal display.
Background technique
As the display device of multimedia development, such as television set just becomes more and more important.Therefore, various display dresses
Set and be widely used, for example, LCD device, plasma show be filled with, organic light-emitting display device etc..In general, root
According to preset resolution ratio, display device can enter oneself for the examination multiple pixel units.Each pixel unit may include red (R), green (G) and indigo plant
(B) sub-pixel.In order to improve the brightness of each pixel unit, develops and uses to have and additionally provided to each pixel unit
White (W) sub-pixel display device, the display device by red, green and blue three color input datas be converted into it is red,
The four color data of green, blue and white, and show the four color data.Currently, WRGB TFT (Thin Film
Transistor, thin film transistor (TFT)) LCD (Liquid Crystal Display, liquid crystal display) due to have white addition,
Penetrance improves, and can reduce backlight power consumption, reduce cost, energy conservation and environmental protection.Therefore more and more attention has been paid to WRGB's by WRGB
It is required that it is higher and higher, it needs WRGB to have better experience effect, but is complementary colours (such as yellow when WRGB encounters font and background
Word encounters lan settings) when, since compression of images inevitably can generate burr pixel at font edge, and since WRGB has W
Element, the direct light transmission of W can increase burr influence, cause font edge to generate serious white edge, influence font display effect.Existing
In technology, W usually takes to the minimum value of RGB, i.e. W=min (R, G, B) reduces the value of W, improves white edge.But it this does
Effect it is bad, the reason is that the burr pixel the case where encountering high gray generated, such as RGB is (240,230,250), can be sent out
Even if existing W takes min, W also to reach 230 grayscale, brightness is very high, cannot reach and effectively remove white edge.
Summary of the invention
The purpose of the present invention is to provide a kind of methods of determining W sub-pixel data, to be effectively removed at font edge
The white edge of generation, to improve font display effect.
Another object of the present invention is to provide the systems and liquid crystal display of a kind of determining W sub-pixel data.
To achieve the goals above, embodiment of the present invention provides the following technical solutions:
The present invention provides a kind of method of determining W sub-pixel data, and the method for the determining W sub-pixel data includes:
Selected pixels cell data matrix, wherein the data matrix is the data matrix of 3 × 3 forms；
According to the pixel data of the non-center position in the data matrix, the center in the data matrix is determined
Pixel data in new W sub-pixel data；
The W sub-pixel data of pixel data in center are updated to the new W sub-pixel data.
Wherein, the pixel data according to the non-center position in the data matrix, determines in the picture element matrix
Center pixel data in W sub-pixel data include:
The absolute difference of the upper data in both ends of each symmetrical axis direction of the data matrix is determined, to obtain first
Numerical value；
It determines the average value of the upper data in both ends of each symmetrical axis direction of the data matrix, and determines the number
It is in the pixel data of center and the absolute difference of each average value, according to matrix to obtain second value；Wherein, every 1
Two numerical value correspond to first numerical value；
Corresponding third value is determined according to every one first numerical value and corresponding second value；
The average value of the third value is determined, to obtain the first coefficient；
New W sub-pixel is determined according to the W sub-pixel data of first coefficient and the pixel data in center
Data.
Wherein, the data matrix includes four symmetry axis, and the quantity of first numerical value is four, the second value
Quantity be four, the quantity of the third value is four.
Wherein, described to determine that corresponding third value includes: according to every one first numerical value and corresponding second value
Corresponding third value is obtained according to every one first numerical value and corresponding second value and preset look-up-table function.
Wherein, the W sub-pixel data according to first coefficient and the pixel data in center determine new W
Sub-pixel data includes:
Determine the first coefficient and 1 absolute difference, to obtain the second coefficient；
Second coefficient is multiplied with the W sub-pixel data of the pixel data in center, to obtain the new W
Sub-pixel data.
A kind of system of determining W sub-pixel data, it is characterised in that: the system of the determining W sub-pixel data includes choosing
Unit and determining module are taken, the selection unit is used for selected pixels cell data matrix, wherein the data matrix is 3 × 3
The data matrix of form；The determining module is used for the pixel data according to the non-center position in the data matrix, determines
New W sub-pixel data in the pixel data of center in the data matrix, the updating unit will be in being in
The W sub-pixel data of the pixel data of heart position are updated to the new W sub-pixel data.
Wherein, the determining module is determined including the first determination unit, the second determination unit, third determination unit, the 4th
Unit and the 5th determination unit, first determination unit for determine each symmetrical axis direction of the data matrix it is upper in
The absolute difference of the data at both ends, to obtain the first numerical value；Second determination unit is for determining the every of the data matrix
It is located at the average value of the data at both ends in one symmetrical axis direction, and determines that the data matrix is in the pixel data of center
With the absolute difference of each average value, to obtain second value；Wherein, corresponding first data of every one second data；It is described
Third determination unit is used to determine corresponding third data according to every one first data and corresponding second data；Described 4th really
Order member is used to determine the average value of the third data, to obtain the first coefficient；5th determination unit is used for according to institute
The W sub-pixel data for stating the first coefficient and the pixel data in center determine new W sub-pixel data.
Wherein, the data matrix includes four symmetry axis, and the quantity of first numerical value is four, the second value
Quantity be four, the quantity of the third value is four.
Wherein, the third determination unit is also used to according to every one first numerical value and corresponding second value, and default
Look-up-table function obtain corresponding third value.
Wherein, the 5th determination unit includes determining subelement and multiplier, and the determining subelement is for determining institute
First coefficient and 1 absolute difference, to obtain the second coefficient；The multiplier is used for second coefficient and the center of being in
The W sub-pixel data of the pixel data of position are multiplied, to obtain the new W sub-pixel data.
The present invention also provides a kind of liquid crystal display, the system including above-mentioned determination W sub-pixel data.
The present invention also provides a kind of liquid crystal display, the system including above-mentioned determining W sub-pixel data.
The embodiment of the present invention have the following advantages that or the utility model has the advantages that
A kind of method of determining W sub-pixel data of the invention includes selected pixels cell data matrix, wherein the number
It is the data matrix of 3 × 3 forms according to matrix；According to the pixel data of the non-center position in the data matrix, determine described in
New W sub-pixel data in the Data Data of center in picture element matrix；By W of the pixel data in center
Pixel data is updated to the new W sub-pixel data.Therefore, after the data of the new W sub-pixel of determination, by the number of new W sub-pixel
According to the W sub-pixel data for replacing the pixel data in center.It is i.e. every to pass through second the second column position of row (center)
Pixel data in W sub-pixel data can be updated.The burr of compression of images generation is regardless of shape body, burr in this way
The W sub-pixel of pixel all can reduce value according to the data of neighboring pixel, reduce brightness, therefore, can be effectively improved word
Body white edge makes font reach the display effect close to RGB panel, to improve font display effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow chart of the method for determining W sub-pixel data that first aspect of the present invention embodiment provides；
Fig. 2 is the schematic diagram of the data matrix of pixel unit；
Fig. 3 is the specific flow chart of 102 steps in Fig. 1；
Fig. 4 is a kind of block diagram of the system for determining W sub-pixel data that second aspect of the present invention embodiment provides；
Fig. 5 is the detailed diagram of determining module in Fig. 4.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiments shall fall within the protection scope of the present invention.
In addition, the explanation of following embodiment is referred to the additional illustration, the spy that can be used to implement to illustrate the present invention
Determine embodiment.Direction terms mentioned in the present invention, for example, "upper", "lower", "front", "rear", "left", "right", "inner",
"outside", " side " etc. are only the directions with reference to annexed drawings, and therefore, the direction term used is to more preferably, more clearly say
The bright and understanding present invention, rather than indicate or imply signified device or element and must have a particular orientation, with specific square
Position construction and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, is also possible to detachably connected, or integrally connects
It connects；It can be mechanical connection；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.If this
Occur the term of " process " in specification, refers not only to independent process, when can not clearly be distinguished with other process, as long as
Effect desired by the process is able to achieve then to be also included in this term.In addition, the numerical value model indicated in this specification with "~"
Enclose the range for referring to that the numerical value for recording "~" front and back is included as minimum value and maximum value.In the accompanying drawings, structure
Similar or identical is indicated by the same numeral.
Referring to Fig. 1, first aspect of the present invention embodiment provides a kind of method of determining W sub-pixel data.The determining W
The method of sub-pixel data includes the following steps.
Step 101, selected pixels cell data matrix 10, wherein the data matrix is the matrix of 3 × 3 forms.
It should be noted that the data matrix 10 forms nine grids (refering to Fig. 2).The i.e. described data matrix 10 includes the
One to the 9th data p1-p9.Wherein each data is corresponding with red (R), green (B), blue (G) and white (W) four sub-pixels.Institute
Stating data matrix 10 is zhou duicheng tuxing.
Step 102, according to the pixel data of the non-center position in the data matrix 10, determine the data matrix 10
In center pixel data in new W sub-pixel data.
It should be noted that in the present embodiment, the pixel data of the non-center position is p1-p4 and p6-p9.It is in
The pixel data of center is p5.
Please continue to refer to Fig. 3, specifically, the step 102 includes the following steps.
Step 1021, determine the data matrix 10 the upper data in both ends of each symmetrical axis direction absolute difference
Value, to obtain the first numerical value.
It should be noted that there are four symmetry axis L1-L4 for the tool of data matrix 10.All have in each symmetrical axis direction
Three data.Three data i.e. on the direction symmetry axis L1 are data p1, data p5 and data p9, and the data for being located at both ends are
Data p1 and data p9, then the first numerical value f11=p1-p9 on the direction symmetry axis L1.Three data on the direction symmetry axis L2
For data p2, data p5 and data p8, and the data for being located at both ends are p2 and data p8, then the first number on the direction symmetry axis L2
Value f12=p2-p8.Three data on the direction symmetry axis L3 are data p3, data p5 and data p7, and are located at the data at both ends
For p3 and data p7, then the first numerical value f13=p3-p7 on the direction symmetry axis L3.Three data on the direction symmetry axis L4 are
Data p4, data p5 and data p6, and the data for being located at both ends are p4 and data p6, then the first numerical value on the direction symmetry axis L4
F14=p4-p6.Wherein, the 5th data p5 is the centre data of the data matrix 10.Therefore the data matrix 10
The quantity of first numerical value is four.
Step 1022 determines that each symmetry axis direction of the data matrix 10 is located at the average value of the data at both ends, and
Determine that the data matrix 10 is in the pixel data of center and the absolute difference of each average value, to obtain the second number
Value；Wherein, corresponding first numerical value of each second value.
It should be noted that the quantity of the second value of the data matrix 10 is four.On the direction the symmetry axis L1
Second value f21=p5- (p1+p9)/2.Second value f22=p5- (p2+p8)/2 on the direction the symmetry axis L2.Institute
State the second value f23=p5- (p3+p7)/2 on the direction symmetry axis L3.Second value f24=on the direction the symmetry axis L4
p5-(p4+p6)/2。
Step 1023 determines corresponding third value according to every one first numerical value and corresponding second value.
It should be noted that the quantity of the third value in the data matrix 10 is four.
Further, the step 1023 includes:
Corresponding third value is obtained according to every one first numerical value and corresponding second value and preset look-up-table function.
Wherein, the third value f31=LUT (f11+f21) on the direction the symmetry axis L1.On the direction the symmetry axis L2
Third value f32=LUT (f12+f22).Third value f33=LUT (f13+f23) on the direction the symmetry axis L3.Institute
State the third value f34=LUT (f14+f24) on the direction symmetry axis L4.
Step 1024, the average value for determining the third value, to obtain the first coefficient.
Wherein, the first coefficient is fra=(f31+f32+f33+f34)/4.
Step 1025 determines new W according to the W sub-pixel data of first coefficient and the pixel data in center
Sub-pixel data.
Specifically, the step 1025 includes:
Determine the first coefficient and 1 absolute difference, to obtain the second coefficient.
Wherein, the second coefficient f '=1-fra.
Second coefficient is multiplied with the W sub-pixel data of the pixel data in center, to obtain the new W
Sub-pixel data.
Wherein, W '=W* (1-fra), W ' are new W sub-pixel data, and the W is the W of the pixel data in center
Sub-pixel data.
The W sub-pixel data of pixel data in center are updated to the new W sub-pixel data by step 103.
In the present embodiment, after determination new W sub-pixel data, new W sub-pixel data are replaced in center
The W sub-pixel data of pixel data.W sub-pixel in i.e. every pixel data by second the second column position of row (center)
Data can be updated.For the burr of compression of images generation regardless of shape body, the W sub-pixel of burr pixel all can foundation in this way
The data of neighboring pixel reduce value, reduce brightness, therefore, can be effectively improved font white edge, font is made to reach close
The display effect of RGB panel, to improve font display effect.
Referring to Fig. 4, second aspect of the present invention embodiment provides a kind of system 200 of determining W sub-pixel data.It is described true
The system 200 for determining W sub-pixel data includes selection unit 210, determining module 220 and updating unit 230.
The selection unit 210 is used for selected pixels cell data matrix 10, wherein the data matrix 10 is 3 × 3 shapes
The data matrix of formula.
It should be noted that the data matrix 10 forms nine grids (refering to Fig. 2).The i.e. described data matrix 10 includes the
One to the 9th data p1-p9.Wherein each data is corresponding with red (R), green (B), blue (G) and white (W) four sub-pixels.Institute
Stating data matrix 10 is zhou duicheng tuxing.
The determining module 220 is used for the pixel data according to the non-center position in the data matrix 10, determines institute
State the new W sub-pixel data in the pixel data of the center in data matrix 10.
It should be noted that it should be noted that in the present embodiment, the pixel data of the non-center position is p1-
P4 and p6-p9.Pixel data in center is p5.
The updating unit 230 is used to the W sub-pixel data of the pixel data in center being updated to the new W
Sub-pixel data.
Please continue to refer to Fig. 5, the determining module 220 includes the first determination unit 221, the second determination unit 222, third
Determination unit 223, the 4th determination unit 224 and the 5th determination unit 225.
First determination unit 221 is used to determining that each symmetrical axis direction of the data matrix 10 to be upper in both ends
The absolute difference of data, to obtain the first numerical value.
It should be noted that there are four symmetry axis L1-L4 for the tool of data matrix 10.All have in each symmetrical axis direction
Three data.Three data i.e. on the direction symmetry axis L1 are data p1, data p5 and data p9, and the data for being located at both ends are
Data p1 and data p9, then the first numerical value f11=p1-p9 on the direction symmetry axis L1.Three data on the direction symmetry axis L2
For data p2, data p5 and data p8, and the data for being located at both ends are p2 and data p8, then the first number on the direction symmetry axis L2
Value f12=p2-p8.Three data on the direction symmetry axis L3 are data p3, data p5 and data p7, and are located at the data at both ends
For p3 and data p7, then the first numerical value f13=p3-p7 on the direction symmetry axis L3.Three data on the direction symmetry axis L4 are
Data p4, data p5 and data p6, and the data for being located at both ends are p4 and data p6, then the first numerical value on the direction symmetry axis L4
F14=p4-p6.Wherein, the 5th data p5 is the centre data of the data matrix 10.Therefore the data matrix 10
The quantity of first numerical value is four.
Second determination unit 222 is used to determining that each symmetrical axis direction of the data matrix 10 to be upper in both ends
The average value of data, and determine that the data matrix 10 is in the centre data of center and the absolute difference of each average value
Value, to obtain second value；Wherein, corresponding first numerical value of each second value.
It should be noted that the quantity of the second value of the data matrix 10 is four.On the direction the symmetry axis L1
Second value f21=p5- (p1+p9)/2.Second value f22=p5- (p2+p8)/2 on the direction the symmetry axis L2.Institute
State the second value f23=p5- (p3+p7)/2 on the direction symmetry axis L3.Second value f24=on the direction the symmetry axis L4
p5-(p4+p6)/2。
The third determination unit 223 is used to determine corresponding third according to every one first numerical value and corresponding second value
Numerical value.
It should be noted that the quantity of the third value in the data matrix 10 is four.
Specifically, the third determination unit 223 is used for according to every one first numerical value and corresponding second value and presets
Look-up-table function obtain corresponding third value.
Wherein, the third value f31=LUT (f11+f21) on the direction the symmetry axis L1.On the direction the symmetry axis L2
Third value f32=LUT (f12+f22).Third value f33=LUT (f13+f23) on the direction the symmetry axis L3.Institute
State the third value f34=LUT (f14+f24) on the direction symmetry axis L4.
4th determination unit 224 is for determining the average value that the third value takes, to obtain the first coefficient.
Wherein, the first coefficient is fra=(f31+f32+f33+f34)/4.
5th determination unit 225 is used for according to the W of first coefficient and the pixel data in center
Pixel data determines the data of new W sub-pixel.
Specifically, the 5th determination unit 225 includes determining subelement 2251 and multiplier 2252.The determining son is single
Member for determine the first coefficient and 1 absolute difference, to obtain the second coefficient.
Wherein, the second coefficient f '=1-fra.
The multiplier 2252 is used for the W sub-pixel data of second coefficient and the pixel data in center
It is multiplied, to obtain the new W sub-pixel data.
Wherein, W '=W* (1-fra), W ' are new W sub-pixel data, and the W is the W of the pixel data in center
Sub-pixel data.
In the present embodiment, after the determining module 230 determines the data of new W sub-pixel, the updating unit 230 will
The data of new W sub-pixel replace the W sub-pixel data of the pixel data in center.It is i.e. every to pass through the second row secondary series position
The W sub-pixel data set in the pixel data of (center) can be updated.In this way compression of images generate burr either
What shape body, the W sub-pixel of burr pixel all can reduce value according to the data of neighboring pixel, reduce brightness, therefore, can
To be effectively improved font white edge, font is made to reach the display effect close to RGB panel, to improve font display effect.
Third aspect of the present invention provides a kind of liquid crystal display, and the liquid crystal display includes above-mentioned determination W sub-pixel
The system 200 of data.Since the system 200 of the determining W sub-pixel data has been carried out in detail in above-mentioned alternative plan
Explanation, therefore details are not described herein.
In the present embodiment, the liquid crystal display includes the system 200 of the determining W sub-pixel data.The determining W
The system 200 of sub-pixel data includes selection unit 210, determining module 220 and updating unit 230.The selection unit 210 is used
In selected pixels cell data matrix, wherein the data matrix is the data matrix of 3 × 3 forms；The determining module 220
For the pixel data according to the non-center position in the data matrix 10, the center in the data matrix 10 is determined
Pixel data in new W sub-pixel data, the updating unit 230 for will in center pixel data W
Pixel data is updated to the new W sub-pixel data.Therefore, after the determining module 220 determines new W sub-pixel data, institute
State the W sub-pixel data that the data of new W sub-pixel are replaced the pixel data in center by updating unit 230.I.e. every warp
The W sub-pixel data crossed in the pixel data of second the second column position of row (center) can be updated.Such compression of images
For the burr of generation regardless of shape body, the W sub-pixel of burr pixel can all reduce value according to the data of neighboring pixel, drop
Therefore low brightness can be effectively improved font white edge, so that font is reached the display effect close to RGB panel, to improve
The font display effect of liquid crystal display.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are different
Surely identical embodiment or example is referred to.Moreover, the particular features, structures, materials, or characteristics of description can be any one
It can be combined in any suitable manner in a or multiple embodiment or examples.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (7)
1. a kind of method of determining W sub-pixel data, it is characterised in that: the method for the determining W sub-pixel data includes:
Selected pixels cell data matrix, wherein the data matrix is the data matrix of 3 × 3 forms；
According to the pixel data of the non-center position in the data matrix, the picture of the center in the data matrix is determined
New W sub-pixel data of the prime number in；
The W sub-pixel data of pixel data in center are updated to the new W sub-pixel data；
The pixel data according to the non-center position in the data matrix, determines the center in the data matrix
Pixel data in new W sub-pixel data include:
The absolute difference of the upper data in both ends of each symmetrical axis direction of the data matrix is determined, to obtain the first number
Value；
It determines the average value of the upper data in both ends of each symmetrical axis direction of the data matrix, and determines the data square
The absolute difference of pixel data and each average value of the battle array in center, to obtain second value；Wherein, every one second number
It is worth corresponding first numerical value；
Corresponding third value is determined according to every one first numerical value and corresponding second value；
The average value of the third value is determined, to obtain the first coefficient；
The data of new W sub-pixel are determined according to the W sub-pixel data of first coefficient and the pixel data in center；
The W sub-pixel data according to first coefficient and the pixel data in center determine new W sub-pixel number
According to including:
Determine the first coefficient and 1 absolute difference, to obtain the second coefficient；
Second coefficient is multiplied with the W sub-pixel data of the pixel data in center, to obtain the new W picture
Prime number evidence.
2. determining the method for W sub-pixel data as described in claim 1, which is characterized in that the data matrix includes four
Symmetry axis, the quantity of first numerical value are four, and the quantity of the second value is four, and the quantity of the third value is
Four.
3. determining the method for W sub-pixel data as claimed in claim 1 or 2, which is characterized in that described according to every one first number
Value and corresponding second value determine that corresponding third value includes:
Corresponding third value is obtained according to every one first numerical value and corresponding second value and preset look-up-table function.
4. a kind of system of determining W sub-pixel data, it is characterised in that: the system of the determining W sub-pixel data includes choosing
Unit, determining module and updating unit, the selection unit are used for selected pixels cell data matrix, wherein the data square
Battle array is the data matrix of 3 × 3 forms；The determining module is used for the pixel number according to the non-center position in the data matrix
According to determining the new W sub-pixel data in the pixel data of the center in the data matrix, the updating unit is used for will
The W sub-pixel data of pixel data in center are updated to the new W sub-pixel data；
The determining module includes the first determination unit, the second determination unit, third determination unit, the 4th determination unit and the 5th
Determination unit；First determination unit is used to determine the upper data in both ends of each symmetrical axis direction of the data matrix
Absolute difference, to obtain the first numerical value；Second determination unit is used to determine each symmetry axis side of the data matrix
Upwards positioned at both ends data average value, and determine the data matrix be in the pixel data of center with it is each average
The absolute difference of value, to obtain second value；Wherein, corresponding first data of every one second data；The third determines single
Member is for determining corresponding third data according to every one first data and corresponding second data；4th determination unit is used for
The average value of the third data is determined, to obtain the first coefficient；5th determination unit is used for according to first coefficient
And the W sub-pixel data of the pixel data in center determine new W sub-pixel data；5th determination unit includes true
Stator unit and multiplier, the determining subelement for determine the first coefficient and 1 absolute difference, to obtain the second system
Number, the multiplier are used to for second coefficient being multiplied with the W sub-pixel data of the pixel data in center, with
To the new W sub-pixel data.
5. determining the system of W sub-pixel data as claimed in claim 4, which is characterized in that the data matrix includes four
Symmetry axis, the quantity of first numerical value are four, and the quantity of the second value is four, and the quantity of the third value is
Four.
6. determining the system of W sub-pixel data as described in claim 4 or 5, which is characterized in that the third determination unit is also
For obtaining corresponding third value according to every one first numerical value and corresponding second value and preset look-up-table function.
7. a kind of liquid crystal display, the system including the described in any item determining W sub-pixel data of such as claim 4-6.
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| US7248314B2 (en) * | 2003-12-29 | 2007-07-24 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display with the red, green, blue, and yellow sub-pixels surrounding the white sub-pixel |
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