CN105096884A - Sub-pixel rendering method and display apparatus - Google Patents

Abstract

The invention discloses a sub-pixel rendering method and a display apparatus. The method comprises the following steps: obtaining image data of a first pattern; selecting minimum display units in sub-pixels of a second pattern, wherein each pixel the first pattern is corresponding to one minimum display unit of the second pattern; and mapping the image data of the first pattern to the second pattern, wherein the product of image data L(nx) of each sub-pixel nx of each pixel n of the first pattern and the area S(nx) of the sub-pixels nx is equal to the sum of products of image data L(n'<yi>) set of all sub-pixels n'<yi> having the same color as the sub-pixels nx in the minimum display unit n' of the second pattern, corresponding to the pixels n of the first pattern and the area S(n'<yi>) of the sub-pixels n'<yi> in the color, i.e., L(nx)* S(nx)= sigma<i>( L(n'<yi>)* S(n'<yi>)), there are i sub-pixels having the same color as the sub-pixels nx in the pixels n of the first pattern in the minimum display units n' of the second pattern, and the i sub-pixels are respectively recorded as n'<yi>, and i is a positive integer.

Description

One sub pixel rendering intent and display device thereof

Technical field

The application's relate generally to display field, relates more specifically to liquid crystal display and organic light emitting diode display field, particularly relates to sub pixel rendering intent and a display device thereof.

Background technology

Resolution is an important indicator of field of display.Traditional liquid crystal display and organic light emitting diode display comprise the pixel arranged in every way, each pixel comprises again according to certain tactic several sub-pixel, as green in red (R) (G) blue (B) sub-pixels etc., each pixel is by showing different colors by multiple sub-pixel combinations.The resolution of traditional monitor depends on pixel arranging density, and fundamentally depends on the arranging density of sub-pixel.But along with the size of sub-pixel is done less and less, a series of technical barrier comes one after another, as low aperture opening ratio, harsh manufacturing process etc., thus cause high-resolution product yields lower, corresponding production cost is also higher.

The lifting of technology that sub-pixel is played up (SubPixelRendering or SPR) by making neighbor common sparing sub-pixel realize sense organ resolution, thus sense organ resolution can be promoted when arrangement of subpixels density is constant or reduce arrangement of subpixels density when sense organ resolution is constant, because of but a solution of an above-mentioned difficult problem.

Summary of the invention

An aspect of the application provides a sub pixel rendering intent, comprising: the view data obtaining the first pattern; In the sub-pixel of the second pattern, choose minimum display unit, wherein each pixel of the first pattern corresponds to a minimum display unit of the second pattern; And by the mapping image data of the first pattern to the second pattern; Wherein, each sub-pixel n of each pixel n of the first pattern _xview data L (n _x) and this sub-pixel n _xarea S (n _x) long-pending, equal all and sub-pixel n in the minimum display unit n ' of the second pattern corresponding with the pixel n of the first pattern _xthe sub-pixel n ' that color is identical _yiset view data L (n ' _yi) with the sub-pixel n ' of this color _yiarea S (n ' _yi) long-pending summation, that is:

$L\left(n_x\right)\&times;S\left(n_x\right)=\underset{i}{\&Sigma;}L\left({n^{\&prime;}}_{yi}\right)\&times;S\left({n^{\&prime;}}_{yi}\right),$

Wherein, in the minimum display unit n ' of the second pattern with the sub-pixel n in the pixel n of the first pattern _xthe sub-pixel that color is identical has i, is denoted as n ' respectively _yi, i is positive integer.

An embodiment of the application relates to a sub pixel rendering intent, and wherein, the sub-pixel of the second pattern is in a first direction according to RGB order or the arrangement of BGR sequential loop; And second the sub-pixel with same color of pattern in the second direction different from described first direction, there is no linear contact lay.

An embodiment of the application relates to a sub pixel rendering intent, and wherein, each sub-pixel length in a first direction of the second pattern is 1.5 times of each sub-pixel length in a first direction of the first pattern.

An embodiment of the application relates to a sub pixel rendering intent, wherein, in liquid crystal display (LiquidCrystalDisplay or LCD) field, view data represents penetrance, and represents brightness in organic light emitting diode display (OrganicLightEmittingDisplay or OLED) field view data.

An embodiment of the application relates to a sub pixel rendering intent, wherein, minimum display unit arranges and in the following structure of tool one in the matrix form: the structure that the structure that the structure that the structure that a line four arranges, a line five arrange, two row four arrange, the structure of three rows and four columns and the five-element four arrange.

An embodiment of the application relates to a sub pixel rendering intent, wherein, minimum display unit arranges in the matrix form, the minimum display unit of the second pattern includes two row or the above sub-pixel of two row, wherein, a line in minimum display unit is main part, and all the other each row are diffusion parts; And first the view data of each sub-pixel of each pixel of pattern be divided into multiple part, be mapped to every a line of the minimum display unit of the second pattern respectively, wherein each sub-pixel is that the ratio of all images data of the view data that maps of main part and this sub-pixel is more than or equal to 0.6.

An embodiment of the application relates to a sub pixel rendering intent, and wherein, each sub-pixel is that the ratio of the view data of main part mapping and all images data of this sub-pixel is less than or equal to 0.9.

An embodiment of the application relates to a sub pixel rendering intent, and wherein, each sub-pixel is the ratio of the view data of main part mapping and all images data of this sub-pixel is 0.8.

The another aspect of the application provides a kind of display, comprise the view data modular converter that a kind of view data input color space is transformed into output color space, this view data modular converter comprises: receiver module, for obtaining the view data of the first pattern of input color space; Matching module, for choosing minimum display unit in the sub-pixel of the second pattern of output color space, each pixel wherein inputting color space corresponds to a minimum display unit of output color space; And processing module, by the mapping image data of the first pattern to the second pattern; Wherein, each sub-pixel n of each pixel n of the first pattern _xview data L (n _x) and this sub-pixel n _xarea S (n _x) long-pending, equal all and sub-pixel n in the minimum display unit n ' of the second pattern corresponding with the pixel n of the first pattern _xthe sub-pixel n ' that color is identical _yiset view data L (n ' _yi) with the sub-pixel n ' of this color _yiarea S (n ' _yi) long-pending summation, that is:

$L\left(n_x\right)\&times;S\left(n_x\right)=\underset{i}{\&Sigma;}L\left({n^{\&prime;}}_{yi}\right)\&times;S\left({n^{\&prime;}}_{yi}\right),$

Wherein, in the minimum display unit n ' of the second pattern with the sub-pixel n in the pixel n of the first pattern _xthe sub-pixel that color is identical has i, is denoted as n ' respectively _yi, i is positive integer.

The application provides a kind of display system more on the one hand, comprise the view data modular converter that a kind of view data input color space is transformed into output color space, this view data modular converter comprises: receiver module, for obtaining the view data of the first pattern of input color space; Matching module, for choosing minimum display unit in the sub-pixel of the second pattern of output color space, each pixel wherein inputting color space corresponds to a minimum display unit of output color space; And processing module, by the mapping image data of the first pattern to the second pattern; Wherein, each sub-pixel n of each pixel n of the first pattern _xview data L (n _x) and this sub-pixel n _xarea S (n _x) long-pending, equal all and sub-pixel n in the minimum display unit n ' of the second pattern corresponding with the pixel n of the first pattern _xthe sub-pixel n ' that color is identical _yiset view data L (n ' _yi) with the sub-pixel n ' of this color _yiarea S (n ' _yi) long-pending summation, that is:

$L\left(n_x\right)\&times;S\left(n_x\right)=\underset{i}{\&Sigma;}L\left({n^{\&prime;}}_{yi}\right)\&times;S\left({n^{\&prime;}}_{yi}\right),$

Wherein, in the minimum display unit n ' of the second pattern with the sub-pixel n in the pixel n of the first pattern _xthe sub-pixel that color is identical has i, is denoted as n ' respectively _yi, i is positive integer.

The embodiment of the application makes adjacent pixel to share sub-pixel, and be that shared sub-pixel distributes view data according to this shared closing, while making image after treatment have similar resolution to image before treatment, reduce the demand of the arranging density to sub-pixel.

Accompanying drawing explanation

By reading the detailed description done non-limiting example done with reference to the following drawings, the other features, objects and advantages of the application will become more obvious:

Fig. 1 is by the schematic diagram of traditional true RGB pattern;

Fig. 2 be according to the illustrative embodiments of the application by the schematic diagram of the first pattern to the mapping relations of the second pattern;

Fig. 3 be according to the illustrative embodiments of the application by the schematic diagram of the first pattern to the mapping relations of the second pattern;

Fig. 4 be according to the illustrative embodiments of the application by the schematic diagram of the first pattern to the mapping relations of the second pattern;

Fig. 5 be according to the illustrative embodiments of the application by the schematic diagram of the first pattern to the mapping relations of the second pattern;

Fig. 6 is the schematic diagram according to the embodiment of the application part second applicatory pattern;

Fig. 7 is the partial enlarged view of Fig. 5;

Fig. 8 be according to the illustrative embodiments of the application by the schematic diagram of the first pattern to the mapping relations of the second pattern;

Fig. 9 be according to the illustrative embodiments of the application by the schematic diagram of the first pattern to the mapping relations of the second pattern;

Figure 10 be according to the illustrative embodiments of the application by the schematic diagram of the first pattern to the mapping relations of the second pattern;

Figure 11 is the schematic diagram of the display of exemplary embodiment according to the application;

Figure 12 is the schematic diagram of the display system of exemplary embodiment according to the application.

Embodiment

Below in conjunction with drawings and Examples, the application is described in further detail.Be understandable that, specific embodiment described herein is only for explaining related invention, but not the restriction to this invention.It also should be noted that, for convenience of description, in accompanying drawing, illustrate only the part relevant to Invention.Run through in this instructions, same or analogous drawing reference numeral represents same or analogous structure, element or flow process.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the application in detail in conjunction with the embodiments.

Fig. 1 schematically illustrates traditional true RGB pattern 100.Pattern 100 comprises multiple shape, size, pixel 110 that color configuration is identical, pixel 110 is made up of the sub-pixel 111,112,113 of different three of color, each sub-pixel along second direction (such as, but be not limited to, vertical direction) length be a, and along first direction (such as, but not limited to, horizontal direction) length be a/3, thus make each pixel 110 have foursquare shape.Storage medium (as hard disk, flash memory, CD etc.) or include storage medium electronic equipment (as computing machine, panel computer, mobile phone etc.) in the form storage of the general true RGB pattern traditionally of image information such as the picture that stores, it is such as M × N number of pixel of matrix form arrangement by picture breakdown, image carrys out record in the color of each pixel by one group of view data, and these group image data comprise the color range numerical value of such as RGB tri-sub-pixels.If the reduction of this picture be shown on a display with traditional RGB arrangement of the picture element matrix of identical ranks number, only the view data of correspondence need be converted into corresponding penetrance (for LCD display) or brightness value (for OLED display).But, compared to by the mapping of traditional true RGB pattern to traditional true RGB pattern, by the mapping relations relative complex of traditional true RGB pattern to SPR pattern.

Fig. 2 show according to the embodiment of the application by the mapping of the first pattern 210 to the second pattern 220.First pattern 210 is such as a kind of traditional true RGB pattern, and the second pattern 220 is such as a kind of SPR pattern.N-th pixel 211 of the first pattern 210 has three sub-pixels 2111,2112 and 2113, is denoted as n respectively ₁, n ₂and n ₃, each sub-pixel length in a second direction of the first pattern 210 is a; And length is in a first direction a/3, wherein a is unit length, and first direction is such as but not limited to being horizontal direction, and second direction is such as but not limited to being vertical direction.In mapping process, first should obtain the view data of the first pattern 210, such as, obtain the color range numerical value of each sub-pixel of each pixel of the first pattern 210.The sub-pixel of the second pattern 220 arranges according to the sequential loop of RGB or BGR in a first direction, and the sub-pixel along second direction with same color does not have linear contact lay (not shown).

Different from the first pattern 210, each minimum display unit (or virtual pixel) 221 of the second pattern 220 comprises four sub-pixels.As shown in Figure 2, the minimum display unit 221 of second pattern 220 corresponding with the pixel 211 of the first pattern 210 comprises four sub-pixels 2211,2212,2213 and 2214, is denoted as n respectively ₁', n ₂', n ₃' and n ₄', the color of its sub-pixel 2211,2212 and 2213 is different, and sub-pixel 2214 is identical with the color of sub-pixel 2211.In an example of present embodiment, the color of sub-pixel 2211 is identical with the color of sub-pixel 2111; The color of sub-pixel 2212 is identical with the color of sub-pixel 2112; The color of sub-pixel 2213 is identical with the color of sub-pixel 2113.Each sub-pixel length in a second direction of the second pattern 220 is a; And length is in a first direction a/2, be equivalent to 1.5 times of the sub-pixel first direction length of the first pattern 210.

Owing to comprising the identical sub-pixel 2211 and 2214 of two colors in minimum display unit 221, so the view data from pixel 211 to the mapping process sub-pixel 2111 of minimum display unit 221 will map to two sub-pixels 2211 and 2214 simultaneously, and sub-pixel 2112 only maps to sub-pixel 2212 and sub-pixel 2213 respectively with the view data of sub-pixel 2113.Above-mentioned mapping relations as represented by the arrows in the dashed line in figure 2.In addition, by the first pattern 210 in the mapping process of the second pattern 220, each sub-pixel n of each pixel n of the first pattern 210 _xview data L (n _x) and this sub-pixel n _xarea S (n _x) long-pending, equal all and sub-pixel n in the minimum display unit n ' of the second pattern 220 corresponding with the pixel n of the first pattern 210 _xthe sub-pixel n ' that color is identical _yiset view data L (n ' _yi) with the sub-pixel n ' of this color _yiarea S (n ' _yi) long-pending summation, that is:

$L\left(n_x\right)\&times;S\left(n_x\right)=\underset{i}{\&Sigma;}L\left({n^{\&prime;}}_{yi}\right)\&times;S\left({n^{\&prime;}}_{yi}\right),$

Wherein, in the minimum display unit n ' of the second pattern 220 with the sub-pixel n in the pixel n of the first pattern 210 _xthe sub-pixel that color is identical has i, is denoted as n ' respectively _yi, i is positive integer.As shown in Figure 2, in the present embodiment, the n-th pixel 211 of the first pattern 210 corresponds to the n-th ' individual minimum display unit 221 of the second pattern 220.If represent the view data of an xth sub-pixel with L (x), then above-mentioned mapping method can describe with following one group of formula:

$L\left(n_1\right)\&times;\frac{a^2}{3}=L\left({n_1}^{\&prime;}\right)\&times;\frac{a^2}{2}+L\left({n_4}^{\&prime;}\right)\&times;\frac{a^2}{2}$

$L\left(n_2\right)\&times;\frac{a^2}{3}=L\left({n_2}^{\&prime;}\right)\&times;\frac{a^2}{2}$

$L\left(n_3\right)\&times;\frac{a^2}{3}=L\left({n_3}^{\&prime;}\right)\&times;\frac{a^2}{2}$

Fig. 3 show according to the embodiment of the application by the mapping of the first pattern 310 to the second pattern 320.First pattern 310 is such as a kind of traditional true RGB pattern, and the second pattern 320 is such as a kind of SPR pattern.N-th pixel 311 of the first pattern 310 has three sub-pixels 3111,3112 and 3113, is denoted as n respectively ₁, n ₂and n ₃, each sub-pixel length in a second direction of the first pattern 310 is a; And length is in a first direction a/3, wherein a is unit length.First direction is such as, but not limited to, being horizontal direction; Second direction is such as, but not limited to, being vertical direction.In mapping process, first should obtain the view data of the first pattern 310, such as, obtain the color range numerical value of each sub-pixel of each pixel of the first pattern 310.In the present embodiment, the sub-pixel of the second pattern 320 arranges according to the sequential loop of RGB or BGR in a first direction, and the sub-pixel along second direction with same color does not have linear contact lay (not shown).Different from the first pattern 310, the minimum display unit (or virtual pixel) 321 of the second pattern 320 comprises five sub-pixels.As shown in Figure 3, the minimum display unit 321 of second pattern 320 corresponding with the pixel 311 of the first pattern 310 comprises five sub-pixels 3211,3212,3213,3214 and 3215, is denoted as n respectively ₁', n ₂', n ₃', n ₄' and n ₅', the color of its sub-pixel 3211,3212 and 3213 is different, and sub-pixel 3214 is identical with the color of sub-pixel 3211, sub-pixel 3215 is identical with the color of sub-pixel 3212.In an example of present embodiment, the color of sub-pixel 3212 is identical with the color of sub-pixel 3111; The color of sub-pixel 3213 is identical with the color of sub-pixel 3112; The color of sub-pixel 3214 is identical with the color of sub-pixel 3113.Each sub-pixel length in a second direction of the second pattern 320 is a; And length is in a first direction a/2, be equivalent to 1.5 times of the sub-pixel first direction length of the first pattern 310.

Because minimum display unit 321 sub-pixel 3212 is identical with the color of the sub-pixel 3111 in pixel 311 with the color of 3215, and minimum display unit 321 sub-pixel 3211 is identical with the color of the sub-pixel 3113 in pixel 311 with the color of 3214, so from pixel 311 to the mapping process of minimum display unit 321, the view data of sub-pixel 3111 will map to two sub-pixels 3212 and 3215 simultaneously; The view data of sub-pixel 3113 will map to two sub-pixels 3211 and 3214 simultaneously; And the view data of sub-pixel 3112 only maps to sub-pixel 3213.Above-mentioned mapping relations are as shown in dotted arrow in Fig. 3.In addition, by the first pattern 310 in the mapping process of the second pattern 320, each sub-pixel n of each pixel n of the first pattern 310 _xview data L (n _x) and this sub-pixel n _xarea S (n _x) long-pending, equal all and sub-pixel n in the minimum display unit n ' of the second pattern 320 corresponding with the pixel n of the first pattern 310 _xthe sub-pixel n ' that color is identical _yiset view data L (n ' _yi) with the sub-pixel n ' of this color _yiarea S (n ' _yi) long-pending summation, that is:

$L\left(n_x\right)\&times;S\left(n_x\right)=\underset{i}{\&Sigma;}L\left({n^{\&prime;}}_{yi}\right)\&times;S\left({n^{\&prime;}}_{yi}\right),$

Wherein, in the minimum display unit n ' of the second pattern 320 with the sub-pixel n in the pixel n of the first pattern 310 _xthe sub-pixel that color is identical has i, is denoted as n ' respectively _yi, i is positive integer.As shown in Figure 3, the n-th pixel 311 of the first pattern 310 corresponds to the n-th ' individual minimum display unit 321 of the second pattern 320 in the present embodiment.If represent the view data of an xth sub-pixel with L (x), then above-mentioned mapping method can describe with following one group of formula:

$L\left(n_1\right)\&times;\frac{a^2}{3}=L\left({n_2}^{\&prime;}\right)\&times;\frac{a^2}{2}+L\left({n_5}^{\&prime;}\right)\&times;\frac{a^2}{2}$

$L\left(n_1\right)\&times;\frac{a^2}{3}=L\left({n_3}^{\&prime;}\right)\&times;\frac{a^2}{2}$

$L\left(n_3\right)\&times;\frac{a^2}{3}=L\left({n_1}^{\&prime;}\right)\&times;\frac{a^2}{2}+L\left({n_4}^{\&prime;}\right)\&times;\frac{a^2}{2}$

Fig. 4 show according to the embodiment of the application by the mapping of the first pattern 410 to the second pattern 420.First pattern 410 is such as a kind of traditional true RGB pattern, and the second pattern 420 is such as a kind of SPR pattern.N-th pixel 411 of the first pattern 410 has three sub-pixels 4111,4112 and 4113, is denoted as n respectively ₁, n ₂and n ₃.In mapping process, first should obtain the view data of the first pattern 410, such as, obtain the color range numerical value of each sub-pixel of each pixel of the first pattern 410.The corresponding a kind of SPR arrangement of second pattern 420, in the present embodiment, the sub-pixel of the second pattern 420 arranges according to the sequential loop of RGB or BGR in a first direction, and the sub-pixel along second direction with same color does not have linear contact lay (not shown).First direction is such as but not limited to being horizontal direction, and second direction is such as but not limited to being vertical direction.Different from the first pattern 410, each minimum display unit (or virtual pixel) 421 of the second pattern 420 comprises four sub-pixels.As shown in Figure 4, the minimum display unit 421 of second pattern 420 corresponding with the pixel 411 of the first pattern 410 comprises four sub-pixels 4211,4212,4213 and 4214, is denoted as n respectively ₁', n ₂', n ₃' and n ₄', the color of its sub-pixel 4211,4212 and 4213 is different, and sub-pixel 4214 is identical with the color of sub-pixel 4211.In an example of present embodiment, the color of sub-pixel 4211 is identical with the color of sub-pixel 4111; The color of sub-pixel 4212 is identical with the color of sub-pixel 4112; The color of sub-pixel 4213 is identical with the color of sub-pixel 4113.Each sub-pixel length in a second direction of the second pattern 420 is a; And length is in a first direction arranged according to the sequence alternate of a/3,2a/3, be equivalent to a times and twice of the first direction length of the sub-pixel of the first pattern 410 respectively.

Owing to comprising the identical sub-pixel 4211 and 4214 of two colors in minimum display unit 421, so the view data from pixel 411 to the mapping process sub-pixel 4111 of minimum display unit 421 will map to two sub-pixels 4211 and 4214 simultaneously, and sub-pixel 4112 only maps to sub-pixel 4212 and sub-pixel 4213 respectively with the view data of sub-pixel 4113.Above-mentioned mapping relations are as shown in dotted arrow in Fig. 4.In addition, by the first pattern 410 in the mapping process of the second pattern 420, each sub-pixel n of each pixel n of the first pattern 410 _xview data L (n _x) and this sub-pixel n _xarea S (n _x) long-pending, equal all and sub-pixel n in the minimum display unit n ' of the second pattern 420 corresponding with the pixel n of the first pattern 410 _xthe sub-pixel n ' that color is identical _yiset view data L (n ' _yi) with the sub-pixel n ' of this color _yiarea S (n ' _yi) long-pending summation, that is:

$L\left(n_x\right)\&times;S\left(n_x\right)=\underset{i}{\&Sigma;}L\left({n^{\&prime;}}_{yi}\right)\&times;S\left({n^{\&prime;}}_{yi}\right),$

Wherein, in the minimum display unit n ' of the second pattern 420 with the sub-pixel n in the pixel n of the first pattern 410 _xthe sub-pixel that color is identical has i, is denoted as n ' respectively _yi, i is positive integer.As shown in Figure 4, the n-th pixel 411 of the first pattern 410 corresponds to the n-th ' individual minimum display unit 421 of the second pattern 420 in the present embodiment.If represent the view data of an xth sub-pixel with L (x), then above-mentioned mapping method can describe with following one group of formula:

$L\left(n_1\right)\&times;\frac{a^2}{3}=L\left({n_1}^{\&prime;}\right)\&times;\frac{a^2}{3}+L\left({n_4}^{\&prime;}\right)\&times;\frac{2}{3}{a}^2$

$L\left(n_2\right)\&times;\frac{a^2}{3}=L\left({n_2}^{\&prime;}\right)\&times;\frac{2}{3}{a}^2$

$L\left(n_3\right)\&times;\frac{a^2}{3}=L\left({n_3}^{\&prime;}\right)\&times;\frac{a^2}{3}$

Fig. 5 show according to the embodiment of the application by the mapping of the first pattern 510 to the second pattern 520.First pattern 510 is such as a kind of traditional true RGB pattern, and the second pattern 520 is such as a kind of SPR pattern.In the second pattern 520 shown in Fig. 5, sub-pixel arranges according to the sequential loop of RGB or BGR in a first direction, and the sub-pixel along second direction with same color does not have linear contact lay.First direction is such as but not limited to being horizontal direction, and second direction is such as but not limited to being vertical direction.

Fig. 6 further illustrates the second pattern 610,620,630,640 and 650 that part meets above-mentioned condition.In the pattern shown in Fig. 6, choose horizontal direction as first direction, choose vertical direction as second direction, but be not limited thereto.Its sub-pixel all arranges according to the sequential loop of RGB in the horizontal direction, and the identical sub-pixel of color does not vertically have linear contact lay, only likely has point cantact at the summit place of sub-pixel.Similarly, in alternative embodiments, the sub-pixel of the second pattern also can arrange according to the sequential loop of BGR along first direction.

In the embodiment shown in Fig. 5, the n-th pixel 511 of the first pattern 510 corresponds to the n-th ' individual minimum display unit 521 of the second pattern 520.Minimum display unit 521 has the structure of three rows and four columns, as in figure by shown in the region of dotted line.

Fig. 7 is the partial enlarged view of Fig. 5.In the figure 7, the n-th pixel 511 of the first pattern 510 has three sub-pixels 5111,5112 and 5113, is denoted as n respectively ₁, n ₂and n ₃.In mapping process, first should obtain the view data of the first pattern 510, such as, obtain the color range numerical value of each sub-pixel of each pixel of the first pattern 510.In the present embodiment, the sub-pixel of the second pattern 520 arranges according to the sequential loop of RGB or BGR in a first direction, and the sub-pixel along second direction with same color does not have linear contact lay.Different from the first pattern 510, the minimum display unit (or virtual pixel) 521 of the second pattern 520 has the structure of three rows and four columns, and wherein every a line comprises four sub-pixels.As shown in Figure 7, the minimum display unit 521 of the second corresponding with the pixel 511 of the first pattern 510 pattern 520 comprises three row sub-pixels.In the present embodiment the second row is defined as main part, and the first row and the third line are defined as diffusion part.Each provisional capital of main part and diffusion part comprises four sub-pixels, and main part comprises sub-pixel 52121,52122,52123 and 52124, is denoted as n respectively ₂₁', n ₂₂', n ₂₃' and n ₂₄'; The first row of diffusion part comprises sub-pixel 52111,52112,52113 and 52114, is denoted as n respectively ₁₁', n ₁₂', n ₁₃' and n ₁₄'; Second row of diffusion part comprises sub-pixel 52131,52132,52133 and 52134, is denoted as n respectively ₃₁', n ₃₂', n ₃₃' and n ₃₄'.Wherein, n _i1', n _i2' and n _i3' color different (i is in 1,2,3, represents the i-th row), and n _i4' and n _i1' color identical.In an example of present embodiment, sub-pixel 52112,52121,52124 is identical with the color of sub-pixel 5111 with the color of 52132; Sub-pixel 52113,52122 is identical with the color of sub-pixel 5112 with the color of 52133; Sub-pixel 52111,52114,52123,52131 is identical with the color of sub-pixel 5113 with the color of 52134.Each sub-pixel length in a second direction of the second pattern 520 is a; And length is in a first direction a/2, be equivalent to 1.5 times of the sub-pixel first direction length of the first pattern 510.

By the first pattern 510 in the mapping process of the second pattern 520, the view data L (n of the sub-pixel 5111,5112,5113 of the first pattern 510 ₁), L (n ₂), L (n ₃) be divided into three parts respectively, that is:

L(n ₁)＝L(n ₁_r ₁)+L(n ₁_r ₂)+L(n ₁_r ₃)

L(n ₂)＝L(n ₂_r ₁)+L(n ₂_r ₂)+L(n ₂_r ₃)

L(n ₃)＝L(n ₃_r ₁)+L(n ₃_r ₂)+L(n ₃_r ₃)

Wherein according to L (n ₁_ r ₂), L (n ₂_ r ₂), L (n ₃_ r ₂) be main part mapped image data, according to L (n ₁_ r ₁), L (n ₂_ r ₁), L (n ₃_ r ₁) be the first row mapped image data of diffusion part, according to L (n ₁_ r ₃), L (n ₂_ r ₃), L (n ₃_ r ₃) be the second row mapped image data of diffusion part.

Wherein the mapping process of the view data of the every a line of minimum display unit 521 is similar to the method described with reference to Fig. 2, is not described in detail at this.

In the present embodiment, in order to obtain good mapping image data effect, demand fulfillment:

L(n ₁_r ₂)/L(n ₁)≥0.6

L(n ₂_r ₂)/L(n ₂)≥0.6

L(n ₃_r ₂)/L(n ₃)≥0.6

Namely the ratio of all images data of the view data that maps for main part of each sub-pixel 5111,5112,5113 and this sub-pixel is more than or equal to 0.6.

In an example of present embodiment, L (n ₁_ r ₂), L (n ₂_ r ₂), L (n ₃_ r ₂) meet further:

0.6≤L(n ₁_r ₂)/L(n ₁)≤0.9

0.6≤L(n ₂_r ₂)/L(n ₂)≤0.9

0.6≤L(n ₃_r ₂)/L(n ₃)≤0.9

In another example of present embodiment, L (n ₁_ r ₂), L (n ₂_ r ₂), L (n ₃_ r ₂) meet:

L(n ₁_r ₂)/L(n ₁)＝0.8

L(n ₂_r ₂)/L(n ₂)＝0.8

L(n ₃_r ₂)/L(n ₃)＝0.8

In the Still another example of present embodiment, the first row of minimum display unit 521 or the third line can be chosen as main part, and using all the other two row as diffusion part.

Fig. 8 show according to the embodiment of the application by the mapping of the first pattern 810 to the second pattern 820.First pattern 810 is such as a kind of traditional true RGB pattern, and the second pattern 820 is such as a kind of SPR pattern.The sub-pixel of the second pattern 820 arranges according to the sequential loop of RGB or BGR in a first direction, and the sub-pixel along second direction with same color does not have linear contact lay.First direction is such as but not limited to being horizontal direction, and second direction is such as but not limited to being vertical direction.Different from the first pattern 810, the minimum display unit (or virtual pixel) 821 of the second pattern 820 has the structure of two row four row, and wherein every a line comprises four sub-pixels.As shown in Figure 8, the minimum display unit 821 of the second corresponding with the pixel 811 of the first pattern 810 pattern 820 comprises two row sub-pixels.

Choose the second row in the present embodiment as main part, and choose the first row as diffusion part, but be not limited thereto.Main part comprises sub-pixel 82121,82122,82123 and 82124, is denoted as n respectively ₂₁', n ₂₂', n ₂₃' and n ₂₄'; Diffusion part comprises sub-pixel 82111,82112,82113 and 82114, is denoted as n respectively ₁₁', n ₁₂', n ₁₃' and n ₁₄'.N in every a line _i1', n _i2' and n _i3' color of (i is in 1,2, represents the i-th row) is different, and n _i4' and n _i1' color identical.In an example of present embodiment, the color of sub-pixel 82112,82121,82124 is identical with the color of sub-pixel 8111; Sub-pixel 82113 is identical with the color of sub-pixel 8112 with the color of 82122; Sub-pixel 82111,82114 is identical with the color of sub-pixel 8113 with the color of 82123.Each sub-pixel length in a second direction of the second pattern 820 is a; And length is in a first direction a/2, be equivalent to 1.5 times of the sub-pixel first direction length of the first pattern 210.

By the second pattern 820 in the mapping process of the first pattern 810, the view data L (n of the sub-pixel 8111,8112,8113 of the first pattern 810 ₁), L (n ₂), L (n ₃) be divided into two parts respectively, that is:

L(n ₁)＝L(n ₁_r ₁)+L(n ₁_r ₂)

L(n ₂)＝L(n ₂_r ₁)+L(n ₂_r ₂)

L(n ₃)＝L(n ₃_r ₁)+L(n ₃_r ₂)

Wherein according to L (n ₁_ r ₂), L (n ₂_ r ₂), L (n ₃_ r ₂) be main part mapped image data, according to L (n ₁_ r ₁), L (n ₂_ r ₁), L (n ₃_ r ₁) be diffusion part mapped image data.

Wherein the mapping process of the view data of the every a line of minimum display unit 821 is similar to the method described with reference to Fig. 2, is not described in detail at this.

In the present embodiment, in order to obtain good mapping image data effect, demand fulfillment:

L(n ₁_r ₂)/L(n ₁)≥0.6

L(n ₂_r ₂)/L(n ₂)≥0.6

L(n ₃_r ₂)/L(n ₃)≥0.6

Namely the ratio of all images data of the view data that maps for main part of each sub-pixel 8111,8112,8113 and this sub-pixel is more than or equal to 0.6.

In an example of present embodiment, L (n ₁_ r ₂), L (n ₂_ r ₂), L (n ₃_ r ₂) meet further:

0.6≤L(n ₁_r ₂)/L(n ₁)≤0.9

0.6≤L(n ₂_r ₂)/L(n ₂)≤0.9

0.6≤L(n ₃_r ₂)/L(n ₃)≤0.9

In another example of present embodiment, L (n ₁_ r ₂), L (n ₂_ r ₂), L (n ₃_ r ₂) meet:

L(n ₁_r ₂)/L(n ₁)＝0.8

L(n ₂_r ₂)/L(n ₂)＝0.8

L(n ₃_r ₂)/L(n ₃)＝0.8

In addition, although Fig. 8 illustrate only the one arrangement of the second pattern 820, it will be understood by those skilled in the art that, second pattern 820 can have various arrangement mode, as long as the sub-pixel of the second pattern 820 arranges according to the sequential loop of RGB or BGR in a first direction, the sub-pixel along second direction with same color does not have linear contact lay.

Fig. 9 show according to the embodiment of the application by the mapping of the first pattern 910 to the second pattern 920.First pattern 910 is such as a kind of traditional true RGB pattern, and the second pattern 920 is such as a kind of SPR pattern.Different from the embodiment shown in Fig. 8, the minimum display unit 921 (or virtual pixel) of the second pattern 920 corresponding with the pixel 911 of the first pattern 910 in Fig. 9 has the structure that the five-element four arrange.Wherein arbitrary row all can be used as main part, and all the other four lines can be used as diffusion part.Be similar to the embodiment shown in Fig. 7 or Fig. 8 by the first pattern 910 to the mapping method of the second pattern 920, be not described in detail at this.In addition, it will be understood by those skilled in the art that, although Fig. 9 illustrate only a kind of arrangement mode of the second pattern 920, but the second pattern 920 can have various arrangement mode, as long as the sub-pixel of the second pattern 920 arranges according to the sequential loop of RGB or BGR in a first direction, the sub-pixel along second direction with same color does not have linear contact lay.

Figure 10 show according to the embodiment of the application by the mapping of the first pattern 1010 to the second pattern 1020.As shown in Figure 10, the second pattern 1020 is similar to second pattern 520 of Fig. 7; The minimum display unit 1021 of the second pattern 1020 is similar to the minimum display unit 521 of Fig. 7.Its difference is, the sub-pixel of the second pattern 1020 shown in Figure 10 is staggered along second direction.Be similar to the embodiment shown in Fig. 7 by the first pattern 1010 to the mapping method of the second pattern 1020, no further details to be given herein.In addition, it will be understood by those skilled in the art that, although Figure 10 illustrate only a kind of arrangement mode of the second pattern 1020, but the second pattern 1020 can have various arrangement mode, as long as the sub-pixel of the second pattern 1020 arranges according to the sequential loop of RGB or BGR in a first direction, the sub-pixel along second direction with same color does not have linear contact lay.

Figure 11 shows a kind of embodiment of display 1100, and this display 1100 comprises the view data modular converter 1110 that according to the method for above-mentioned arbitrary embodiment, the view data of input color space can be transformed into output color space.View data modular converter 1110 comprises: receiver module 1111, for obtaining the view data of the first pattern of input color space; Matching module 1112, for choosing minimum display unit in the sub-pixel of the second pattern of output color space, each pixel wherein inputting color space corresponds to a minimum display unit of output color space; And processing module 1113, by the mapping image data of the first pattern to the second pattern; Wherein, each sub-pixel n of each pixel n of the first pattern _xview data L (n _x) and this sub-pixel n _xarea S (n _x) long-pending, equal all and sub-pixel n in the minimum display unit n ' of the second pattern corresponding with the pixel n of the first pattern _xthe sub-pixel n ' that color is identical _yiset view data L (n ' _yi) with the sub-pixel n ' of this color _yiarea S (n ' _yi) long-pending summation, that is:

$L\left(n_x\right)\&times;S\left(n_x\right)=\underset{i}{\&Sigma;}L\left({n^{\&prime;}}_{yi}\right)\&times;S\left({n^{\&prime;}}_{yi}\right),$

Wherein, in the minimum display unit n ' of the second pattern with the sub-pixel n in the pixel n of the first pattern _xthe sub-pixel that color is identical has i, is denoted as n ' respectively _yi, i is positive integer.

Figure 12 shows a kind of embodiment of display system 1200, and this display system 1200 comprises the view data modular converter 1210 that according to the method for above-mentioned arbitrary embodiment, the view data of input color space can be transformed into output color space.View data modular converter 1210 comprises: receiver module 1211, for obtaining the view data of the first pattern of input color space; Matching module 1212, for choosing minimum display unit in the sub-pixel of the second pattern of output color space, each pixel wherein inputting color space corresponds to a minimum display unit of output color space; And processing module 1213, by the mapping image data of the first pattern to the second pattern; Wherein, each sub-pixel n of each pixel n of the first pattern _xview data L (n _x) and this sub-pixel n _xarea S (n _x) long-pending, equal all and sub-pixel n in the minimum display unit n ' of the second pattern corresponding with the pixel n of the first pattern _xthe sub-pixel n ' that color is identical _yiset view data L (n ' _yi) with the sub-pixel n ' of this color _yiarea S (n ' _yi) long-pending summation, that is:

$L\left(n_x\right)\&times;S\left(n_x\right)=\underset{i}{\&Sigma;}L\left({n^{\&prime;}}_{yi}\right)\&times;S\left({n^{\&prime;}}_{yi}\right),$

Wherein, in the minimum display unit n ' of the second pattern with the sub-pixel n in the pixel n of the first pattern _xthe sub-pixel that color is identical has i, is denoted as n ' respectively _yi, i is positive integer.

More than describe and be only the illustrative embodiments of the application and the explanation to institute's application technology principle.Those skilled in the art are to be understood that, invention scope involved in the application, be not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should be encompassed in when not departing from described inventive concept, other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme formed.

Claims (10)

1. a sub pixel rendering intent, comprising:

Obtain the view data of the first pattern;

By the mapping image data of described first pattern to the second pattern, each pixel of wherein said first pattern corresponds to a minimum display unit of described second pattern; And

Each sub-pixel n of each pixel n of described first pattern _xview data L (n _x) and this sub-pixel n _xarea S (nx) long-pending, equal all and described sub-pixel n in the minimum display unit n ' of described second pattern corresponding with the described pixel n of described first pattern _xthe sub-pixel n ' that color is identical _yiset view data L (n ' _yi) with the sub-pixel n ' of this color _yiarea S (n ' _yi) long-pending summation, that is:

$L\left(n_x\right)\&times;S\left(n_x\right)=\underset{i}{\&Sigma;}L\left({n^{\&prime;}}_{yi}\right)\&times;S\left({n^{\&prime;}}_{yi}\right),$

Wherein, in the minimum display unit n ' of described second pattern with the sub-pixel n in the pixel n of described first pattern _xthe sub-pixel that color is identical has i, is denoted as n ' respectively _yi, i is positive integer.

2. sub-pixel rendering intent according to claim 1, is characterized in that, the sub-pixel of described second pattern is in a first direction according to RGB order or the arrangement of BGR sequential loop; And the sub-pixel with same color of described second pattern does not have linear contact lay in the second direction different from described first direction.

3. sub-pixel rendering intent according to claim 2, is characterized in that, each sub-pixel length in said first direction of described second pattern is 1.5 times of each sub-pixel length in said first direction of described first pattern.

4. sub-pixel rendering intent according to claim 1, is characterized in that, described view data represents penetrance or brightness.

5. sub-pixel rendering intent according to claim 1, it is characterized in that, described minimum display unit arranges and in the following structure of tool one in the matrix form: the structure that the structure that the structure that the structure that a line four arranges, a line five arrange, two row four arrange, the structure of three rows and four columns and the five-element four arrange.

6. sub-pixel rendering intent according to claim 1, it is characterized in that, described minimum display unit arranges in the matrix form, the described minimum display unit of described second pattern includes two row or the above sub-pixel of two row, wherein, a line in described minimum display unit is main part, and all the other each row are diffusion parts;

The view data of each sub-pixel of each pixel of described first pattern is divided into multiple part, be mapped to every a line of the described minimum display unit of described second pattern respectively, wherein said each sub-pixel is that the ratio of the view data of main part mapping and all images data of this sub-pixel is more than or equal to 0.6.

7. sub-pixel rendering intent according to claim 6, is characterized in that, each sub-pixel of described first pattern is that the view data of main part mapping of described second pattern and the ratio of all images data of this sub-pixel are less than or equal to 0.9.

8. sub-pixel rendering intent according to claim 7, is characterized in that, each sub-pixel of described first pattern is the view data of main part mapping of described second pattern and the ratio of all images data of this sub-pixel is 0.8.

9. a display, comprises, and a kind of view data input color space is transformed into the view data modular converter of output color space, and described view data modular converter view data comprises:

Receiver module, for obtaining the view data of the first pattern of described input color space;

Matching module, for choosing minimum display unit in the sub-pixel of the second pattern of described output color space, described each pixel of wherein said input color space corresponds to a described minimum display unit of described output color space; And

Processing module, by the mapping image data of described first pattern to described second pattern;

Wherein, each sub-pixel n of each pixel n of described first pattern _xview data L (n _x) and this sub-pixel n _xarea S (n _x) long-pending, equal all and described sub-pixel n in the minimum display unit n ' of described second pattern corresponding with the described pixel n of described first pattern _xthe sub-pixel n ' that color is identical _yiset view data L (n ' _yi) with the sub-pixel n ' of this color _yiarea S (n ' _yi) long-pending summation, that is:

$L\left(n_x\right)\&times;S\left(n_x\right)=\underset{i}{\&Sigma;}L\left({n^{\&prime;}}_{yi}\right)\&times;S\left({n^{\&prime;}}_{yi}\right),$

Wherein, in the minimum display unit n ' of described second pattern with the sub-pixel n in the pixel n of described first pattern _xthe sub-pixel that color is identical has i, is denoted as n ' respectively _yi, i is positive integer.

10. a display system, comprises, and a kind of view data input color space is transformed into the view data modular converter of output color space, and described view data modular converter view data comprises:

Receiver module, for obtaining the view data of the first pattern of described input color space;

Matching module, for choosing minimum display unit in the sub-pixel of the second pattern of described output color space, described each pixel of wherein said input color space corresponds to a described minimum display unit of described output color space; And

Processing module, by the mapping image data of described first pattern to described second pattern;

Wherein, each sub-pixel n of each pixel n of described first pattern _xview data L (n _x) and this sub-pixel n _xarea S (n _x) long-pending, equal all and described sub-pixel n in the minimum display unit n ' of described second pattern corresponding with the described pixel n of described first pattern _xthe sub-pixel n ' that color is identical _yiset view data L (n ' _yi) with the sub-pixel n ' of this color _yiarea S (n ' _yi) long-pending summation, that is:

$L\left(n_x\right)\&times;S\left(n_x\right)=\underset{i}{\&Sigma;}L\left({n^{\&prime;}}_{yi}\right)\&times;S\left({n^{\&prime;}}_{yi}\right),$

Wherein, in the minimum display unit n ' of described second pattern with the sub-pixel n in the pixel n of described first pattern _xthe sub-pixel that color is identical has i, is denoted as n ' respectively _yi, i is positive integer.