CN101002249A - Multi-primary liquid crystal display - Google Patents
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- CN101002249A CN101002249A CN 200480041306 CN200480041306A CN101002249A CN 101002249 A CN101002249 A CN 101002249A CN 200480041306 CN200480041306 CN 200480041306 CN 200480041306 A CN200480041306 A CN 200480041306A CN 101002249 A CN101002249 A CN 101002249A
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Abstract
Embodiments of the invention include a method, device and/or system for displaying a color image having a plurality of more-than-three primary color pixels. The device may include, for example, an array of sub-pixel elements of at least four different primary colors, wherein the total number of sub-pixel elements in the array is significantly smaller than a multiplication product of the number of more-than-three-primary color pixels in the image multiplied by the number of the at least four different primary colors. Other embodiments are described and claimed.
Description
Technical field
The present invention relates generally to multiprimary color display, be specifically related to multi-primary liquid crystal display (LCD).
Background technology
A kind of LCD device comprises liquid crystal (LC) cellular array, and for example, it can be by one or more thin film transistor (TFT)s (TFT) element drives.In some LCD devices, the LC array can comprise a plurality of column line drive devices and a plurality of line driver, thereby allows each unit in the control LC array.
TFT, the part light that provides to the LC array can be provided for line driver and column line drive device, thereby reduces the intensity level of display.Therefore, we may need to reduce TFT, the light quantity that line driver and column line drive device are blocked.In addition, we may need to reduce TFT, and the number of line driver and/or column line drive device is to reduce the cost of this display.
Summary of the invention
Embodiments of the invention comprise: a kind of method that is used to show a plurality of coloured images more than the three primary colours pixel, device and/or system.
According to exemplary embodiments more of the present invention, this device can comprise, for example, the array of sub-pixel elements of at least four different base colors, wherein the sum of this array neutron pixel cell can be far smaller than in this image more than the number of three primary colours pixel and the product of these four different base colors numbers at least.
According to exemplary embodiments more of the present invention, color display device can comprise the array of sub-pixel elements of at least four different base colors, they are arranged in the repeatably color list of three primary colours sub-pixel unit at least of at least the first kind and second kind, wherein first kind of color list can comprise the sub-pixel unit that does not contain these primary colours in second kind of sequence at least, and/or second kind of color list can comprise the sub-pixel unit that does not contain these primary colours in first kind of sequence at least.
According to exemplary embodiments more of the present invention, the sub-pixel unit of this array can be arranged in a repeatably figure, and this figure comprises the sub-pixel unit of each primary colours in these at least four primary colours.For example, the first primary color sub-pixels unit that comprises of this figure is less than the sub-pixel unit of second primary colours.
According to exemplary embodiments more of the present invention, color display device can comprise: a controller, based on the sub-pixel data of representing the coloured image pixel, this controller can activate in this array some sub-pixel unit selectively at least to produce one or more decay figures.
According to exemplary embodiments more of the present invention,, can activate the sub-pixel unit of first kind and second kind color list based on the sub-pixel data of at least the first and second pixels in the corresponding coloured image.For example, the numerical value that combination is determined based on the sub-pixel data of this at least the first and second pixel can activate at least one sub-pixel unit of at least one sequence in first kind and the second kind of sequence.
According to some exemplary embodiments, at least one sub-pixel unit of this that is activated can comprise, for example, do not contain the sub-pixel unit of these primary colours in second kind of sequence, and sub-pixel data can comprise the sub-pixel data that does not contain this at least the first and second pixel of these primary colours in corresponding second kind of sequence.
According to some exemplary embodiments, for example,, can activate the sub-pixel unit of second kind of sequence based on the numerical value that the primary colours combination that does not contain in the sub-pixel data of the sub-pixel unit that is activated and the second kind of sequence is determined.
According to exemplary embodiments more of the present invention,, can activate first sub-pixel unit of second kind of sequence based on the numerical value that the second pixel sub pixel data and the combination of first correction component of corresponding first sub-pixel unit primary colours are determined; Based on the numerical value that the second pixel sub pixel data and the combination of second correction component of the corresponding second sub-pixel unit primary colours are determined, can activate second sub-pixel unit of second kind of sequence; And/or, can activate the sub-pixel unit that does not contain these primary colours in second kind of sequence based on first pixel sub pixel data that does not contain these primary colours in corresponding second kind of sequence and the definite numerical value of the 3rd correction component combination.
Description of drawings
According to below in conjunction with the detailed description of accompanying drawing to the embodiment of the invention, can understand and understand the present invention more fully, wherein:
Fig. 1 be according to exemplary embodiments of the present invention more than three primary colours display system synoptic diagram;
But Fig. 2 is the subpixel configuration synoptic diagram that comprises iteron pixel cell figure according to exemplary embodiments of the present invention;
Fig. 3 A and 3B are respectively first kind of 5 primary color sub-pixels unit figure and second kind of 5 primary color sub-pixels unit figure synoptic diagram, and they can be used for forming the subpixel configuration according to other embodiments of the invention;
But Fig. 4 is the subpixel configuration synoptic diagram that comprises iteron pixel cell figure according to another exemplary embodiments of the present invention; With
Fig. 5 is the sub-pixel unit pictorial diagram, and they can be used for forming the subpixel configuration according to other exemplary embodiments of the present invention.
Should be appreciated that for the simplification described and clear, needn't be accurately or the unit shown in the accompanying drawing that draws in proportion.For example, in order to comprise several actual components in clear or a unit, some unit may be exaggerated with respect to the size of other unit.In addition, the reference number in some accompanying drawings may be repetition, is used to illustrate identical or similar unit.Should be appreciated that these accompanying drawings provide the example of the embodiment of the invention, but do not limit the scope of the present invention.
Embodiment
In the following description, we describe various feature of the present invention.For the ease of explaining, we provide concrete configuration and details so that understand the present invention fully.Yet the professional should be known in that the present invention can realize under the condition that does not provide detail herein.In addition, can omit or simplify features more of the present invention so that the present invention is easy to understand, these features are relevant with principle and embodiment that the professional knows.
According to exemplary embodiments of the present invention, the embodiment of monitor and display equipment is described in the International Application PCT/IL02/00452 of application on June 11st, 2002, its title is " DEVICE; SYSTEM AND METHOD FORCOLOR DISPLAY ", and publish as PCT PublicationWO 02/10164 on Dec 19th, 2002, be incorporated in full that this is for reference.
With reference to Fig. 1, Fig. 1 represents according to the synoptic diagram of exemplary embodiments of the present invention more than three primary colours display system 100.
According to exemplary embodiments of the present invention, system 100 can comprise: the array of light source 112 and sub-pixel unit.For example, system 100 can comprise: the array 113 of liquid crystal (LC) unit (box) 114, for example, utilize the LC array of well-known thin film transistor (TFT) (TFT) active matrix technology; With n primary colours filter array 116, n＞3 wherein, for example, it can be array 113 and put array.System 100 can comprise any suitable configurations of sub-pixel unit.System 100 can also comprise: electronic circuit 120 (" driver "), be used to drive each unit of array 114, for example, the active array addressing technology of utilizing the professional to know.According to exemplary embodiments more of the present invention, the pixel of coloured image can be reproduced by the sub-pixel unit more than three primary colours, wherein primary colours in corresponding n the primary colours of each sub-pixel unit.Back-illumination source 112 provides and produces the required light of coloured image.Based on the view data input of one or more respective pixel, can control the transmittance of each sub-pixel unit, for example, utilize the voltage that is added to corresponding lc unit in the array 113, as described below.N primary colours controller 118 can receive the view data that comprises sub-pixel data, and the pixel of this data represented coloured image and based on sub-pixel data activates some sub-pixel unit in the array 113 selectively at least to produce the decay figure.For example, controller 118 can receive red (R), green (G), and the input data of blue (B) or YcbCr form, and randomly these data of bi-directional scaling arrive required size and resolution, and based on the input data, adjust the signal amplitude that is sent to the different driving device.Controller 118 can for example, comprise the data of RGB picture content or the YcbCr data of pixel to the view data of input, converts the sub-pixel data more than three primary colours to, for example, and R, G, B, yellow (Y), and blue or green (C).The white light intensity that back-illumination source 112 provides can be carried out spatial modulation by each unit in the LC array, wherein according to the view data of one or more pixels, controls the illumination of each sub-pixel unit selectively, as described below.The corresponding chromatic filter of light transmission by chromatic filter array 116 of each sub-pixel of decaying selectively, thus required color sub-pixel combination produced.The light of people's the integrated filtering in vision system space by different color sub-pixel elements is to experience coloured image.
The aperture of LCD display is than the ratio of the net area that can be defined as display with the total area of display, wherein the net area of display is defined as the display total area except whole obstruction areas, for example, by the display entire area of TFT and column driver line and row driver line " obstruction ", this is that the professional knows.For example, can calculate the display that comprises the capable m of a l sub-pixel unit according to following formula and block the total area, wherein each sub-pixel unit comprises a TFT, and wherein every row comprises a row driver line and wherein every row comprise a column driver line:
m*L
column*t
column+l*L
row*t
row+l*m*S
tft (1)
S wherein
TftThe obstruction area of representing each TFT, L
RowAnd t
RowLength and the width of representing each row driver line respectively, and L
ColumnAnd t
ColumnLength and the width of representing every column driver line respectively.Therefore, the total area of display can equal L approx
Column* L
Row, and aperture ratio that can calculation display, wherein suppose aspect ratio AR=L
Row/ L
Column
Those skilled in the art will appreciate that blocked by TFT and/or driver line owing to offer the relatively large light of display, the higher obstruction total area can corresponding lower brightness level of display.
According to exemplary embodiments more of the present invention, utilize the array of sub-pixel elements of at least four different base colors, system 100 can be used for existing a plurality of coloured images more than the three primary colours pixel, the wherein total S of this array neutron pixel cell again
TBe far smaller than product P=s*n, wherein s represent in this image more than the number of three primary colours pixel and wherein n represent the number of these at least four different base colors, as described below.For example, can be relevant as the array neutron pixel cell number of an ingredient of product P with four or more primary colours.For example, this array can comprise such sub-pixel unit, they are arranged at least a repeatably at least three primary color sub-pixels unit color lists, and can be approximately equal to sub-pixel unit number in the color list divided by the number of four or more primary colours, as described below as the array neutron pixel cell sum of an ingredient of product P.
People's vision system can be experienced the different base colors of different spatial resolutions grade.For example, people's vision can be experienced some primary colours like this, for example, blue and blue or green primary colours, its spatial resolution is well below other primary color space resolution that can experience, and is for example green, Huang and red primary.Therefore, according to embodiments of the invention, some primary colours can show under lower spatial resolution, for example, blue and/or blue or green primary colours, it utilizes the sub-pixel unit than peanut, but does not have a strong impact on the whole resolution that the human visual system experiences coloured image, and other primary colours need show under higher spatial resolution, for example, red, green and/or yellow primary colours, as described below.
According to exemplary embodiments more of the present invention, but the sub-pixel unit in the array 113 can be arranged in the predetermined configurations that comprises predetermined repetitive pattern, this figure comprises predetermined fixed number sub-pixel unit, primary colours in corresponding n the primary colours of each sub-pixel unit.For example, array 113 can comprise the sub-pixel unit of at least four different base colors, they are arranged in repeatably three primary colours sub-pixel unit color list at least of at least the first kind and second kind, and wherein first kind of color list comprises the sub-pixel unit that does not contain these primary colours in second kind of sequence at least.Therefore, with the sub-pixel unit number of corresponding other primary colours relatively, this figure can comprise corresponding one or more predetermined primary colours than the peanut sub-pixel unit.According to some embodiment in these exemplary embodiments, the driver 120 of some sub-pixel unit, for example, the sub-pixel unit driver of corresponding one or more predetermined primary colours, the numerical value of correspondence more than the sub-pixel data combination of a pixel can be arranged, as described below.For example, utilize controller 118 can finish this manipulation of image data.
With reference to Fig. 2, but Fig. 2 represents to dispose 200 synoptic diagram according to the sub-pixel unit that an exemplary embodiments of the present invention comprises 5 primary color display devices of repetitive pattern 201.
Figure 201 can comprise the sub-pixel unit of corresponding 5 primary colours, and is for example red, and Huang is green, green grass or young crops and blue primary, and they are arranged in the row that comprises 8 sub-pixel unit.
According to an exemplary embodiments, with corresponding red, in the green and yellow primary colours sub-pixel unit number of each primary colours relatively, figure 201 can comprise each primary colours in corresponding indigo plant and the blue or green primary colours than the peanut sub-pixel unit, as described below.
Figure 201 can comprise: two sub-pixel unit of corresponding red primary, for example, sub-pixel unit 211 and 215; Two sub-pixel unit of corresponding yellow primary colours, for example, sub-pixel unit 212 and 216; Two sub-pixel unit of corresponding green primary, for example, sub-pixel unit 213 and 217; A sub-pixel unit of corresponding blue or green primary colours, for example, sub-pixel unit 214; With a sub-pixel unit of corresponding blue primary, for example, sub-pixel unit 218.
According to this exemplary embodiments, configuration 200 can comprise and is arranged at least the first kind and second kind of sub-pixel unit that can repeat color list, for example, and color list 230 and 232.Sequence 230 can comprise a sub-pixel unit at least, and for example, sub-pixel unit 214, this sub-pixel unit are the sub-pixel unit that does not contain blue or green primary colours in the sequence 232.Sequence 232 can comprise a sub-pixel unit at least, and for example, sub-pixel unit 218, this sub-pixel unit are the sub-pixel unit that does not contain blue primary in the sequence 230.
According to this exemplary embodiments, the sub-pixel unit that sequence 230 and 232 can each self-contained predetermined some primary colours subsequence, for example, red-Huang-green subsequence.According to other embodiment of the present invention, one or more repeatably color list can comprise any other predetermined sub-color list.
According to some embodiments of the present invention, each pixel of coloured image can be reproduced by the one or more sub-pixel unit in the configuration 200.For example, first pixel of coloured image can be by sub-pixel unit 214,215,216,217, and/or 218 reproduce; Second pixel adjacent with first pixel can be by sub-pixel unit 218,233,234,235, and/or 236 reproduce.According to some embodiments of the present invention, the definite numerical value of sub-pixel data combination based on two or more pixels in the corresponding coloured image, can activate the one or more sub-pixel unit in the configuration 200, for example, the sub-pixel unit of corresponding indigo plant and/or blue or green primary colours, for example, sub-pixel unit 214 and/218.Based on the sub-pixel data of the one or more pixels of correspondence, can activate other sub-pixel unit in the configuration 200, for example corresponding green, the sub-pixel unit of red and/or yellow primary colours, for example, sub-pixel unit 211,212,213,215,216,217,233,234 and/or 235.For example, respectively corresponding one or more red, one or more drivers of the sub-pixel unit of green or yellow primary colours, for example, driver 120 (Fig. 1) can have the red of corresponding one or more pixels respectively, the numerical value of green or yellow sub-pixel data.This data ordering can be provided by controller 118 (Fig. 1).The sub-pixel unit driver 120 that does not contain these primary colours in the corresponding sequence 230 and 232 can have the sub-pixel data in two or more pixels to make up the numerical value of determining.For example, the sub-pixel unit driver of corresponding blue or green primary colours can have the arithmetic mean of blue or green sub-pixel data in two or more pixels, the numerical value that weighted mean and/or any other appropriate combination are determined.The sub-pixel unit driver 120 (Fig. 1) of corresponding blue sub-pixel can have the arithmetic mean of two or more pixel medium blue sub-pixel data, the numerical value that weighted mean and/or any other appropriate combination are determined.These two or more pixels can comprise two or more neighbors, and are for example two or more vertical, level and/or diagonal angle adjacent pixels, or any other two or more pixels of coloured image.Therefore, those skilled in the art will appreciate that owing to can activate sub-pixel unit in the figure 201 reproducing two pixels, the valid pixel size (" valid pixel size ") of corresponding configuration 200 can equal half of sub-pixel unit area sum of figure 201.Controller 118 (Fig. 1) can rearrange sub-pixel data, thereby required sequence of values is provided for driver 120.
According to exemplary embodiments more of the present invention, the size of some sub-pixel unit can be different from other sub-pixel unit, in order that realize required display device white balance.For example, the area that each sub-pixel unit of corresponding indigo plant and/or blue or green primary colours covers can be red greater than correspondence, the area that each sub-pixel unit of Huang and/or green primary covers.
Those skilled in the art will appreciate that to have configuration 200 and be used to reproduce the system 100 (Fig. 1) that comprises the capable s of l 5 primary colours pixel color images and can comprise 4*s column driver line and l row driver line.This display can also comprise 4*s*l TFT, for example, and TFT on each sub-pixel unit.Therefore, total obstruction area of this display can equal:
4*s*L
column*t
column+l*L
row*t
row+4*l*s*S
tft (2)
Those skilled in the art will appreciate that, compare with the column driver line number 5*s and the TFT number 5*s*l of other 5 primary color display systems, display according to above-mentioned exemplary embodiments can comprise less column driver line number and less TFT number, for example, wherein the sub-pixel unit of 5 primary colours is used to reproduce each pixel.Therefore, according to the display of above-mentioned exemplary embodiments less relatively total obstruction area can also be arranged, thereby cause the higher brightness level, this is the total obstruction area 5*s*L with other 5 primary color display systems
Columnt
Column+ l*L
Rowt
Row+ 5*l*s*S
TftCompare with the intensity level that forms.For example, 1280 * 720 displays of 16: 9 aspect ratios are arranged, that is, if the sub-pixel unit of 5 primary colours is used to reproduce each pixel, s=1280, l=720 and * L
Row=16/9*L
Column, its aperture ratio is about 70%, that is, block the total area and be about 30%.Suppose to block the total area and comprise that 6% TFT blocks and 24% driver line blocks, and hypothesis t
Row=t
Column, then the professional is appreciated that and realizes that subpixel configuration 200 can reduce TFT and be clogged to about 5% and reduce driver line and be clogged to about 20%.Therefore, the display aperture ratio of this realization configuration 200 can increase 5%, for example, is increased to about 75%.In addition, it is about 20% to realize that subpixel configuration 200 can reduce the number of row driver, thereby can reduce to be used to activate the desired data rate of sub-pixel unit of figure 200.
Those skilled in the art will appreciate that, according to other embodiment of the present invention, any other suitable pattern of sub-pixel unit, for example, comprise any suitable two or more color lists that repeat, can be similar to formation by means of display system 100 (Fig. 1) and dispose 200 subpixel configuration, as described below.
With reference to Fig. 3 A and 3B, Fig. 3 A and 3B represent the synoptic diagram of first kind of 5 primary color sub-pixels unit figure 300 and second kind 5 primary color sub-pixels unit figure 310 respectively, and they can be used for forming the configuration 200 according to other exemplary embodiments of the present invention.
Figure 300 can comprise two different row, for example, and row 302 and row 304.Row 302 can comprise the sub-pixel unit that is arranged in " Huang-green-red-green grass or young crops-Huang-green-red-indigo plant " order.Row 304 can comprise the sub-pixel unit that is arranged in " Huang-green-red-blue-yellow-green-red-green grass or young crops " order.Therefore, figure 300 can comprise first kind of color list 303, and for example, it comprises the sub-pixel unit of primary colours " Huang-green-red-green grass or young crops "; With second kind of color list 305, for example, it comprises the sub-pixel unit of primary colours " Huang-green-red-indigo plant ".
Figure 310 can comprise two different row, for example, and row 312 and row 314.Row 312 can comprise the sub-pixel unit that is arranged in " red-Huang-green-green grass or young crops-red-Huang-green-indigo plant " order.Row 314 can comprise the sub-pixel unit that is arranged in " red-Huang-green-indigo plant-red-Huang-green-green grass or young crops " order.Therefore, figure 310 can comprise first kind of color list 313, and for example, it comprises the sub-pixel unit of primary colours " red-Huang-green-green grass or young crops "; With second kind of color list 315, for example, it comprises the sub-pixel unit of primary colours " red-Huang-green-indigo plant ".According to other embodiment of the present invention, figure 300 and/or figure 310 can comprise the sub-pixel unit of any other suitable configurations.
Those skilled in the art will appreciate that can adopt figure 300/ or figure 310 so that realize more uniform color distribution on display, the position of wherein blue or green primary colours and blue primary is to intercourse along the direction of row.
According to some embodiments of the present invention, the valid pixel in the coloured image can be reproduced by the sub-pixel unit more than delegation, as described below.
With reference to Fig. 4, but Fig. 4 represents to dispose 400 synoptic diagram according to the sub-pixel unit that another embodiment of the present invention comprises in the 5 primary color display devices of repetitive pattern 401.
Figure 401 can comprise the sub-pixel unit of corresponding 5 primary colours, and is for example red, and Huang is green, green grass or young crops and blue primary, and they are arranged in two adjacent lines 410 and 420.
According to an exemplary embodiments, figure 401 can comprise each primary colours in corresponding indigo plant and the blue or green primary colours sub-pixel unit than peanut, and corresponding red, each primary colours in the green and yellow primary colours have the sub-pixel unit of greater number, as described below.
According to this exemplary embodiments, the sub-pixel unit of figure 401 can be arranged in repeatably color list of at least the first kind and second kind, for example, and color list 460 and 462.Sequence 460 can comprise such sub-pixel unit at least, for example, does not contain the sub-pixel unit 414 of blue or green primary colours in the sequence 462.Sequence 462 can comprise such sub-pixel unit at least, for example, does not contain the sub-pixel unit 418 of blue primary in the sequence 460.
According to this exemplary embodiments, color list 460 and/or 462 can comprise the sub-pixel unit of some primary colours predetermined subsequence, and is for example, red-Huang-green subsequence.
According to some exemplary embodiments of the present invention, each pixel of coloured image can be reproduced by the one or more sub-pixel unit in the configuration 400.For example, first pixel of coloured image can be by sub-pixel unit 416,415, and 414,417 and/or 418 reproduce; And second pixel adjacent with first pixel can be by sub-pixel unit 434,418, and 433,435 and/or 436 reproduce.According to some embodiments of the present invention, the definite numerical value of sub-pixel data combination based on two or more pixels in the corresponding coloured image, can activate the one or more sub-pixel unit in the configuration 400, for example, the sub-pixel unit of corresponding indigo plant and/or blue or green primary colours, for example, sub-pixel unit 414 and/or 418.Based on the sub-pixel data of the one or more pixels of correspondence, can activate configuration other sub-pixel unit in 400, for example corresponding green, the sub-pixel unit of red and/or yellow primary colours, for example, sub-pixel unit 416,415,417,434,435 and/or 433.For example, respectively corresponding one or more red, one or more drivers of the sub-pixel unit of green and/or yellow primary colours, for example, driver 120 (Fig. 1) can have the red of corresponding one or more pixels respectively, the numerical value of green and/or yellow sub-pixel data.This data ordering can be provided by controller 118 (Fig. 1).The sub-pixel unit driver of corresponding blue or green primary colours, for example, driver 120 (Fig. 1) can have the arithmetic mean of corresponding two or more pixels, the numerical value that weighted mean and/or any other appropriate combination are determined.The driver of the sub-pixel unit of corresponding blue sub-pixel, for example, driver 120 (Fig. 1) can have the arithmetic mean of the blue sub-pixel data of corresponding two or more pixels, the numerical value that weighted mean and/or any other appropriate combination are determined.These two or more pixels can comprise: two or more adjacent pixels, and for example two or more vertical, level and/or diagonal angle adjacent pixels, or any other two or more pixels of coloured image.Therefore, those skilled in the art will appreciate that owing to can activate sub-pixel unit in the figure 401 reproducing two pixels, the valid pixel size of corresponding configuration 400 can equal half of sub-pixel unit area sum in the figure 401.Controller 118 (Fig. 1) can rearrange sub-pixel data, thereby desired sequence of values is provided for driver 120.
According to exemplary embodiments of the present invention, the size of some sub-pixel unit can be different from other sub-pixel unit, in order that realize desired white.For example, each sub-pixel unit area of corresponding indigo plant and/or blue or green primary colours can be red greater than correspondence, each sub-pixel unit area of Huang and/or green primary.
Those skilled in the art will appreciate that display system for example, is used to reproduce and comprises the system 100 (Fig. 1) that the capable s of l 5 primary colours pixels have configuration 400, can comprise 2*s column driver line and 2*l row driver line.This display can also comprise 4*s*l TFT, for example, and TFT on each sub-pixel unit.Therefore, total obstruction area of this display can equal:
2*s*L
column*t
column+2*l*L
row*t
row+4*l*s*S
tft (3)
Those skilled in the art will appreciate that, the overall cost of driver line with 5 primary color displays of configuration 400 can be lower than the driver line cost of conventional 3 primary colours LCD display, for example, the display that comprises 3*s column driver line and l row driver line is because the cost of column driver line is higher than the cost of row driver line usually far away.The professional it should also be understood that, the overall cost of 5 primary color displays with configuration 400 can be lower than the overall cost of some 4 primary color displays, wherein the sub-pixel unit of 4 or 5 primary colours is used to reproduce each pixel, and the overall cost that is lower than some 5 primary color displays, wherein the sub-pixel unit of 5 primary colours is used to reproduce each pixel.
The professional it is also understood that with total blockage area ratio of conventional 3 primary colours LCD display, for example, its total obstruction area is 3*s*L
Columnt
Column+ l*L
Rowt
Row+ 3*l*s*S
Tft, can be 2*s*L according to total obstruction area of the display of above-mentioned exemplary embodiments
Columnt
Column+ 2*l*L
Rowt
Row+ 4*l*s*S
TftIn addition, if L
Row=16/9*L
ColumnS=1280, and l=720 are under the situation that adopts configuration 400, then can realize about 78% aperture ratio, it is higher than the attainable aperture of the 5 primary color displays ratio of corresponding configuration 200, for example, and 75%, but it is higher than the attainable aperture of corresponding 5 primary color displays ratio, for example, 70%, wherein the sub-pixel unit of 5 primary colours is used to reproduce each pixel.
Those skilled in the art will appreciate that, according to other embodiment of the present invention, the sub-pixel unit figure that any other is suitable, for example, it comprises repeatably color list of any suitable two or more, display system 100 (Fig. 1) can adopt this figure to be similar to configuration 400 configuration with formation, as described below.
With reference to Fig. 5, Fig. 5 represents the synoptic diagram of 5 primary color sub-pixels unit figures 500, and it can be used for forming the subpixel configuration according to other exemplary embodiments of the present invention.
Figure 500 can comprise 4 row, for example, and row 502, row 504, row 506 and row 508.Row 502 and row 506 can be identical, and every row comprises one 2 primary sequence, for example, and sequence " red-Huang-red-Huang ".Row 504 and row 508 can comprise 3 primary sequence respectively, for example, and " green-green grass or young crops-green-indigo plant " and 3 primary sequence, for example, " green-indigo plant-green-green grass or young crops ".Those skilled in the art will appreciate that figure 500 can be used for realizing more uniform color distribution on display, wherein blue or green primary colours and blue primary are intercoursed on the position of edge row.
Some exemplary embodiments of above-mentioned the present invention can be relevant with controller, for example, based on the definite numerical value of blue or green primary color sub-pixels data combination in the two or more pixels of correspondence, controller 118 (Fig. 1) provides this numerical value can for the sub-pixel unit driver of corresponding blue or green primary colours, and/or based on the definite numerical value of the two or more pixel medium blue of correspondence primary color sub-pixels data combination, this controller provide this numerical value can for the sub-pixel unit driver of corresponding blue primary.Yet, other exemplary embodiments of the present invention can comprise such controller, for example, controller 118 (Fig. 1), based on the definite numerical value of any other required combination of sub-pixel data of one or more pixels, this controller provides this numerical value can for the driver of one or more sub-pixel unit, as described below.
According to some embodiments of the present invention, sub-pixel data based at least the first and second pixels in the corresponding coloured image, controller 118 (Fig. 1) can provide the sub-pixel unit driver of corresponding at least the first kind and second kind color list, for example, driver 120 (Fig. 1), as described above.For example, the numerical value that combination is determined based on the sub-pixel data of at least the first and second pixels, controller 118 (Fig. 1) can activate at least one sub-pixel unit of at least one sequence in first kind and the second kind of sequence, as described below.
According to exemplary embodiments more of the present invention, based on the numerical value that the primary colours combination that does not contain in the sub-pixel data of the sub-pixel unit that is activated and first kind/second kind sequence is determined, controller 118 (Fig. 1) can activate the sub-pixel unit of first kind/second kind of sequence.For example, based on the numerical value that the green sub-pixel data and the combination of blue or green sub-pixel data of a pixel are determined, controller 118 (Fig. 1) provides this numerical value can for the driver of green sub-pixel unit; And/or the numerical value of determining based on the blue sub-pixel data of a pixel and the combination of blue or green sub-pixel data, this controller provide this numerical value can for the driver of blue sub-pixel unit.Perhaps, based on the numerical value that the blue sub-pixel data and the combination of blue or green sub-pixel data of a pixel are determined, controller 118 provides this numerical value can for the driver of blue or green sub-pixel unit; And/or the numerical value of determining based on the blue sub-pixel data of a pixel and the combination of red pieces pixel data, this controller provide this numerical value can for the driver of red pieces pixel cell.
In certain embodiments, for example, display 100 (Fig. 1) green, blue and blue or green primary colours can be respectively with predetermined green in the XYZ color space, blue and blue or green primary colours vector representation, that is,
And
According to exemplary embodiments more of the present invention, the combination of green and blue primary vector, for example, their linear combination, can be used for producing with blue or green primary colours roughly quite or comparable colour.For example, utilize following formula, can determine required linear combination:
Wherein β represents respectively and the blue parameter relevant with the green primary linear distribution with γ.Be to be understood that, linear combination according to formula 4 can be used for reproducing the colour suitable with blue or green primary colours, for example, if the chromatic value of blue or green primary colours is on the chromatic value straight line that connects green primary and blue primary, or be used for reproducing and the comparable colour of blue or green primary colours, for example, if the chromatic value of blue or green primary colours is outside the chromatic value straight line that connects green primary and blue primary, but it is relative with this straight line approaching.
As mentioned above, some pixels in the display 100 can be reproduced by a plurality of sub-pixel unit (" non-blue sub-pixel unit ") that do not contain blue sub-pixel unit, and/or some pixels can be reproduced by a plurality of sub-pixel unit (" non-blue or green sub-pixel unit ") that do not contain blue or green sub-pixel unit.According to exemplary embodiments more of the present invention, based on the numerical value that blue or green sub-pixel data is determined, controller 118 (Fig. 1) provides this numerical value can for the driver of one or more non-blue or green sub-pixel unit.For example, according to the formula of following setting, controller 118 (Fig. 1) can give blue and/or green sub-pixel unit driver provide signal B ' and G ' to reproduce a pixel, this formula is:
B′＝B+C·β (5)
G′＝G+C·γ
B wherein, G and C differentiate the indigo plant that pixel is reproduced in expression, green and blue or green picture content.According to exemplary embodiments more of the present invention, can " amplitude limit " B ' and/or G ' in one or two numerical value, that is, the maximum of setting blue and green primary respectively is present worth again, for example, if the maximum that the B ' that calculates according to formula 5 and/or G ' numerical value surpass indigo plant and/or green primary respectively present worth again.
Those skilled in the art will appreciate that, activate blue according to this and/or green sub-pixel unit can improve the perceived spatial resolution of blue or green primary colours based on blue or green number of sub-pixels, and/or reduce the brightness variation experienced between the pixel that pixel that non-blue sub-pixel unit reproduces and non-blue or green sub-pixel unit reproduce.
According to exemplary embodiments more of the present invention, we may need to reduce colour shift, for example, cyan color shift, it may be to activate the result that one or more non-blue or green sub-pixel unit cause because of the numerical value of determining based on blue or green sub-pixel data.According to exemplary embodiments more of the present invention, can reduce this colour shift, wherein based on the first pixel medium blue sub-pixel data and the definite corrected value of blue correction component ag B sum combination, activate the blue sub-pixel unit of first kind of color list; Based on the first pixel medium green sub-pixel data and the definite corrected value of green correction component ag G sum combination, activate the green sub-pixel unit of first kind of color list; With the corrected value of determining based on the subtractive combination of blue or green sub-pixel data in second pixel and blue or green correction component ag C, activate the blue or green sub-pixel unit of the second kind color list adjacent with first kind of color list.
According to exemplary embodiments more of the present invention, can determine correction component ag C according to this quadrat method, Δ B and Δ G, the blue or green luminance primary that it reproduces blue or green sub-pixel unit are substantially equal to blue primary brightness that blue sub-pixel unit reproduces and green primary brightness sum from green correction component ag G.In addition, we may be substantially equal to the quite colored amount of green grass or young crops of green and blue sub-pixel unit reproduction from the blue or green colored amount of blue or green correction component ag C, for example, measure sum from blue color amount and the green colour from green correction component ag G of blue correction component ag B.For example, utilize following formula can determine correction component:
(C-ΔC)·Y
C＝(B+ΔB)·Y
B+ΔG·Y
G (6)
Y wherein
C, Y
B, and Y
GExpression is blue or green respectively, the brightness of indigo plant and green primary.
Substitution formula 4 in formula 7, and rearrange and wherein everyly can obtain following formula:
ΔB＝βΔC (8)
ΔG＝γΔC (9)
Substitution formula 8 and 9 in formula 6, and rearrange and wherein everyly can obtain following formula:
According to exemplary embodiments of the present invention, controller 118 (Fig. 1) can be determined the numerical value of blue or green correction component ag C, for example, and substitution luminance primary value Y in formula 10
C, Y
B, and Y
G, the numerical value of the blue sub-pixel data of predetermined parameters β and γ and corresponding first pixel.Utilize formula 8 and 9, controller 118 can also be determined the numerical value of blue correction component ag B and/or the numerical value of green correction component ag G.Based on correction component ag B, Δ G and Δ C, controller 118 can be given blue, and green and blue or green sub-pixel unit provides the numerical value of correction, as described above.
According to exemplary embodiments more of the present invention, if the maximum that the corrected value that offers the corrected value of blue sub-pixel unit and/or offer green sub-pixel unit surpasses indigo plant and/or green primary respectively is present worth again, then can amplitude limit offer the corrected value of blue sub-pixel and/or offer the corrected value of green sub-pixel.
Some exemplary embodiments of the present invention described above relate to based on the green and/or blue sub-pixel unit of blue or green sub-pixel data activation; And/or green based on the corrected value activation, blue and/or blue or green sub-pixel unit.Yet, can realize other embodiment of the present invention similarly, wherein based on other sub-pixel data, for example, blue sub-pixel data activates one or more other sub-pixel unit, for example, blue or green sub-pixel unit or blue or green and red pieces pixel cell; And/or, activate other sub-pixel unit based on corrected value, and for example, green grass or young crops, red and blue sub-pixel unit.For example, in other embodiment, based on any appropriate combination of the sub-pixel data of one or more pixels, for example, the combination of the spatial function of corresponding one or more pixels can activate one or more sub-pixel unit.
Though exemplary device more described above, system and/or method are to describe being used to reproduce under the linguistic context of 5 primary colours devices, but those skilled in the art will appreciate that, by suitable variation and in conjunction with the device that is used to reproduce greater or less than 5 primary colours, can realize similar device, system and/or method.
Though we have illustrated and described some feature of the present invention herein, general professional can do various changes to these features, replaces and variation.So, should be understood that appending claims can cover these changes and variation, because they all are within the spirit and scope of the present invention.
Claims (51)
1. color display device, be used to show coloured image more than three primary colours, this device comprises the array of sub-pixel elements of at least four different base colors, be arranged in repeatably color list of at least the first kind of three primary colours sub-pixel unit at least and second kind, wherein said first kind of color list comprises at least one sub-pixel unit of the primary colours that do not conform in described second kind of sequence.
2. according to the display equipment of claim 1, comprising: controller, based on the sub-pixel data of the described coloured image pixel of representative, described controller can activate at least some sub-pixel unit in the described array selectively, to produce one or more decay figures.
3. according to the display equipment of claim 2, wherein based on the sub-pixel data of at least the first and second pixels in the described coloured image of correspondence, described controller can activate the sub-pixel unit of described first kind and second kind color list.
4. according to the display equipment of claim 3, wherein based on the sub-pixel data combination of described at least the first and second pixels, described controller can activate at least one sub-pixel unit of at least one sequence in described first kind and the second kind of sequence.
5. according to the display equipment of claim 4, described at least one sub-pixel unit that wherein will be activated comprises: the sub-pixel unit and the wherein said sub-pixel data of the primary colours that do not conform in described second kind of sequence comprise: the sub-pixel data of described at least the first and second pixels of the primary colours that do not conform in corresponding described second kind of sequence.
6. according to the display equipment of claim 3, the numerical value of determining based on the combination of the primary colours that do not contain in the sub-pixel data of the sub-pixel unit that will be activated and the described second kind of sequence wherein, described controller can activate the sub-pixel unit in described second kind of sequence.
7. according to the display equipment of claim 6, the numerical value of determining based on the combination of the green and blue or green sub-pixel data of described second pixel wherein, described controller can activate the green sub-pixel unit in described second kind of sequence.
8. according to the display equipment of claim 6 or 7, the numerical value of determining based on the combination of the indigo plant of described second pixel and blue or green sub-pixel data wherein, described controller can activate the blue sub-pixel unit in described second kind of sequence.
9. according to the display equipment of claim 6, the numerical value of determining based on the combination of the indigo plant of described second pixel and blue or green sub-pixel data wherein, described controller can activate the blue or green sub-pixel unit in described second kind of sequence.
10. according to the display equipment of claim 3, wherein said controller can:
Numerical value based on the combination of the sub-pixel data in described second pixel and first correction component is determined activates first sub-pixel unit in described second kind of sequence, the primary colours of corresponding described first sub-pixel unit of the sub-pixel data in described second pixel;
Numerical value based on the combination of the sub-pixel data in described second pixel and second correction component is determined activates second sub-pixel unit in described second kind of sequence, the primary colours of corresponding described second sub-pixel unit of the sub-pixel data in described second pixel; With
Based on the definite numerical value of the combination of sub-pixel data in described first pixel and the 3rd correction component, activate the sub-pixel unit of the primary colours that do not conform in described second kind of sequence, the primary colours that do not contain in the corresponding described second kind of sequence of the sub-pixel data of described first pixel.
11. display equipment according to claim 10, wherein based on described first sub-pixel unit, relation between the brightness that the sub-pixel unit of the primary colours that do not contain in described second sub-pixel unit and the described second kind of sequence is reproduced, described controller can be determined at least one correction component in the described the first, the second and the 3rd correction component.
12. display equipment according to claim 11, wherein said controller can determine described first, at least one correction component in the second and the 3rd correction component, therefore, the numerical value of the brightness of the sub-pixel unit reproduction of the primary colours that do not contain in corresponding described second kind of sequence is substantially equal to the brightness sum that described first and second sub-pixel unit are reproduced.
13. according to any one display equipment among the claim 10-12, wherein said first and second sub-pixel unit comprise: the sub-pixel unit of the primary colours that do not contain in green and blue sub-pixel unit and the wherein said second kind of sequence comprises: blue or green sub-pixel unit.
14. according to any one display equipment in the above claim, wherein said second kind of color list comprises at least one sub-pixel unit of the primary colours that do not contain in described first kind of sequence.
15. according to any one display equipment in the above claim, wherein said at least four different primary colours comprise at least 5 primary colours.
16. according to the display equipment of claim 15, wherein said at least 5 primary colours comprise: red, Huang, green, green grass or young crops and blue primary.
17. according to any one display equipment in the above claim, sub-pixel unit in the wherein said array is arranged in repeatably figure, this figure comprises the sub-pixel unit of each primary colours in described at least four primary colours, and the first primary color sub-pixels unit that described figure comprises is less than the sub-pixel unit of second primary colours.
18. display equipment according to claim 17, wherein said at least four primary colours comprise at least 5 primary colours, wherein said repeatably figure comprises indigo plant, blue or green, green, the sub-pixel unit of red and yellow primary colours, with the number of wherein said figure medium blue and blue or green sub-pixel unit less than described figure medium green, the number of red and yellow sub-pixel unit.
19. according to the display equipment of claim 17 or 18, wherein said figure comprises 8 sub-pixel unit.
20. according to the display equipment of claim 19, wherein said 8 sub-pixel unit are arranged in delegation.
21. according to the display equipment of claim 20, red-yellow-green-blue or green-red-yellow-green-blue order that wherein said sub-pixel unit is arranged in.
22. according to the display equipment of claim 19, wherein said figure comprises four sub-pixel unit of two adjacent lines.
23. according to the display equipment of claim 22, wherein said figure comprises that delegation is arranged in, and green-blue or green-green-blue sub-pixel unit and adjacent delegation is arranged in red-yellow-red-yellow sub-pixel unit.
24. according to the display equipment of claim 17 or 18, wherein said figure comprises 16 sub-pixel unit.
25. according to the display equipment of claim 24, wherein said 16 sub-pixel unit are arranged in first and second adjacent lines, every row comprises 8 described sub-pixel unit.
26. according to the display equipment of claim 25, the sub-pixel unit of wherein said first row is arranged in Huang-green-red-green grass or young crops-Huang-green-red-blue order, and the sub-pixel unit of described second row is arranged in Huang-green-red-blue-yellow-green-red-blue or green order.
27. according to the display equipment of claim 25, red-yellow-green-blue or green-red-yellow-green-blue order that the sub-pixel unit of wherein said first row is arranged in, and the sub-pixel unit of described second row is arranged in red-yellow-green-blue-red-yellow-green-blue or green order.
28. according to the display equipment of claim 24, wherein said 16 sub-pixel unit are arranged in 4 adjacent lines, every row comprises 4 described sub-pixel unit.
29. display equipment according to claim 28, the sub-pixel unit of every row is arranged in red-yellow-red-yellow order in wherein said figure first row and the third line, the sub-pixel unit of wherein said figure second row is arranged in, and the green-blue or green-green-blue order and the sub-pixel unit of wherein said figure fourth line are arranged in green-blue-green-blue or green order.
30. according to any one display equipment in the above claim, wherein said first kind of sequence is adjacent with described second kind of sequence.
31. according to any one display equipment in the above claim, wherein at least a described color list comprises the sub-pixel unit of at least four primary colours.
32. according to the display equipment of claim 31, at least one color list comprises the subsequence of the sub-pixel unit of three or more primary colours in wherein said first kind and the second kind of color list.
33. according to the display equipment of claim 32, wherein said subsequence comprises green, red and yellow sub-pixel unit.
34. a demonstration comprises more than the method for three primary colours coloured image: the sub-pixel data based on the described coloured image pixel of representative, activate at least some sub-pixel unit in the array of sub-pixel elements selectively, producing one or more decay figures,
Wherein said array comprises the sub-pixel unit of at least four different base colors, but be arranged in three or more at least one sub-pixel unit that first kind of pixel cell and second kind of repetitive sequence and wherein said first kind of color list comprise the primary colours that do not contain in described second kind of sequence of giving at least.
35. the method according to claim 34 comprises:, activate the sub-pixel unit of described first kind and second kind color list based on the sub-pixel data of at least the first and second pixels in the described coloured image of correspondence.
36. the method according to claim 35 comprises:, activate at least one sub-pixel unit of at least one sequence in described first kind and the second kind of sequence based on the numerical value of determining by the combination of the sub-pixel data of described at least the first and second pixels.
37. method according to claim 36, described at least one sub-pixel unit that wherein will be activated comprises: the sub-pixel unit and the wherein said sub-pixel data of the primary colours that do not conform in described second kind of sequence comprise: the sub-pixel data of described at least the first and second pixels of the primary colours that do not contain in corresponding described second kind of sequence.
38. the method according to claim 35 comprises:, activate the sub-pixel unit of described second kind of sequence based on the numerical value that the combination of the primary colours that do not contain in the sub-pixel data of the sub-pixel unit that will be activated and the described second kind of sequence is determined.
39. the method according to claim 38 comprises:, activate the green sub-pixel unit of described second kind of sequence based on the numerical value that the combination of green sub-pixel data in described second pixel and blue or green sub-pixel data is determined.
40. the method according to claim 38 or 39 comprises:, activate the blue sub-pixel unit of described second kind of sequence based on the numerical value that the combination of blue sub-pixel data in described second pixel and blue or green sub-pixel data is determined.
41. the method according to claim 38 comprises:, activate the blue or green sub-pixel unit of described second kind of sequence based on the numerical value that the combination of blue sub-pixel data in described second pixel and blue or green sub-pixel data is determined.
42. the method according to claim 35 comprises:
Based on the numerical value that the combination of the sub-pixel data of described second pixel of the primary colours of described first sub-pixel unit of correspondence and first correction component is determined, activate first sub-pixel unit of described second kind of sequence;
Based on the sub-pixel data of described second pixel of the primary colours of described second sub-pixel unit of correspondence and the numerical value that the combination of second correction component is determined, activate second sub-pixel unit of described second kind of sequence; With
Based on the numerical value that the combination of sub-pixel data in described first pixel of the primary colours that do not conform in the described second kind of sequence of correspondence and the 3rd correction component is determined, activate the sub-pixel unit of the primary colours that do not contain in described second kind of sequence.
43. method according to claim 42, comprise: based on described first sub-pixel unit, relation between the brightness that the sub-pixel unit of the primary colours that do not contain in described second sub-pixel unit and the described second kind of sequence is reproduced, determine at least one correction component in the described the first, the second and the 3rd correction component.
44. method according to claim 43, comprise: determine described first, at least one correction component in the second and the 3rd correction component, therefore, the numerical value of the brightness of reproducing corresponding to the sub-pixel unit of the primary colours that do not contain in described second kind of sequence is substantially equal to the brightness sum that described first and second sub-pixel unit are reproduced.
45. according to any one method among the claim 42-44, wherein said first and second sub-pixel unit comprise: the sub-pixel unit of the primary colours that do not contain in green and blue sub-pixel unit and the wherein said second kind of sequence comprises: blue or green sub-pixel unit.
46. according to any one method among the claim 34-45, wherein said at least four different base colors comprise: at least 5 primary colours.
47. according to the method for claim 46, wherein said at least 5 primary colours comprise: red, Huang, green, green grass or young crops and blue primary.
48. according to any one method among the claim 34-47, wherein at least a described color list comprises the sub-pixel unit of at least four primary colours.
49. color display device, be used to show a plurality of coloured images more than the three primary colours pixel, this device comprises the array of the sub-pixel unit of at least four different base colors, and the sum of the sub-pixel unit in the wherein said array is far smaller than the product more than the number of the number of three primary colours pixel and described at least four different base colors in the described image.
50., be relevant wherein with the number of described four or more primary colours as the sum of the sub-pixel unit in the described array of a part of described product according to the display equipment of claim 49.
51. display equipment according to claim 49 or 50, the sub-pixel unit of wherein said array is arranged in a kind of color list of sub-pixel unit of repeatably at least three primary colours and the number that wherein is approximately equal to the sub-pixel in the described color list as the sum of the sub-pixel unit in the described array of a part of the described product number divided by described four or more primary colours at least.
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| CN 200910160495 Division CN101615386B (en) | 2003-12-15 | 2004-12-13 | Multi-primary liquid crystal display |
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| CN100530325C (en) | 2009-08-19 |
| CN101615386B (en) | 2013-03-20 |
| CN101615386A (en) | 2009-12-30 |
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Effective date of registration: 20150507 Address after: Gyeonggi Do, South Korea Patentee after: SAMSUNG DISPLAY Co.,Ltd. Address before: Israel Haierzeliya Patentee before: Genoa Color Technologies Ltd. |