CN103325320B - LED display screen with same-color chips arrayed diagonally and method for reusing pixels - Google Patents

Abstract

The invention relates to an LED display screen with same-color chips arrayed diagonally and a method for reusing pixels. The three-primary-color LED chips of the display screen are respectively transversely and longitudinally linearly arranged equidistantly, the same-primary-color LED chips are arranged to form diagonals, and the corresponding three-primary-color LED chips are equidistantly, sequentially, alternately and diagonally arranged in the direction perpendicular to each diagonal. The method for reusing the pixels includes corresponding to primary-color display data of an optional LED chip to primary-color display data of n adjacent pixels of an image source, adding the primary-color display data of the n adjacent pixels to obtain a sum, and dividing the sum by the number n to obtain display data of the LED chip; transmitting acquired display data of the various three-primary-color LED chips to the display screen via a scanning driving circuit so that the display data can be displayed on the display screen. The LED display screen and the method have the advantages that the circuit board wire arrangement pressure is effectively relieved, the production cost can be greatly lowered, the production efficiency is improved, and the LED display screen and the method are particularly applicable to ultrahigh-density LED display.

Description

With the LED display of color chip slant arrangements and the method for pixel multiplexing

Technical field

The invention belongs to LED flat plate display technique field, relate to a kind of LED display of same color chip slant arrangements and utilize this display screen to realize the method for pixel multiplexing.

Background technology

LED display, can the image information of display video image in real time as Digital Image Display media.The key factor affecting LED display display effect has 2 points: one is the resolution of LED display, i.e. pixel point density in unit area, and two is Show Color and gray shade scales of display screen.In Show Color and gray shade scale, the Show Color of current LED display has reached 256 grades, and single color gradation resolution is 10 ~ 16bit.Say from display level, LED display can meet the requirement as numerical monitor terminal.By improving physical resolution, namely in unit area, pixel point density improves display efficiency and just becomes current hot technology in the industry.At present, the high density LED display module that has Surface Mount (SMD) three-in-one mode to form and " integrated three-in-one " (ZL200720094395.1) module two kinds.The two all forms a pixel by one group of red, green, blue LED, and namely on display screen, the density of red, green, blue LED equals image resolution ratio, and physical picture element spacing equals image picture pitch.But along with display screen is to high-density development, due to the restriction by aspects such as LED die, PCB circuit layout, heat radiations, adopt above-mentioned form to run into very large difficulty to improve physical picture element density.On the other hand, the method for above-mentioned raising physical picture element density increases the usage quantity of LED die and the complexity of circuit, therefore causes being multiplied of production cost and failure rate.

Adopt the method for pixel multiplexing can improve the resolution of LED display to a certain extent.Pixel multiplexing method known is at present mainly by 2 red LED, and 1 green LED, 1 blue LED composition quadrilateral, horizontal and vertical array, equidistantly arranges, and can realize the virtual pixel display of 4 times.In addition, also have some schemes to adopt the mixing mode of hexagon or leg-of-mutton red, green, blue LED, realize the virtual pixel display of 4 times or more (even more than 10 times).The common drawback of these schemes is: due to the mixing of red, green, blue LED, makes the lamp of often kind of color not on the same line, and for super-high density display, this can bring very large difficulty to circuit board wiring.In addition, for super-high density LED display, because the phsyical density of LED die itself is very high, the virtual pixel of more than 10 times shows with the too large meaning of nothing, and along with the increase of virtual multiple, image has fuzzy sense to a certain degree.

Summary of the invention

The technical matters that the present invention will solve is to provide the LED display of the easy same color chip slant arrangements of a kind of circuit board wiring.

In order to solve the problems of the technologies described above, three-primary color LED chip on the LED display circuit board of same color chip slant arrangements of the present invention is equidistantly arranged with horizontal and vertical form of straight lines, and the LED chip of identical primary colours is arranged with oblique line form, in the direction perpendicular to this oblique line, three-primary color LED chip is tiltedly arranged in turn by order at equal intervals.

Three-primary color LED chip on described circuit board all arranges according to the order of R, G, B from left to right in the horizontal, in the vertical from top to bottom, and the horizontal spacing between adjacent LED chip equals longitudinal pitch.

Three-primary color LED chip on described circuit board can also all arrange according to the order of R, G, B from right to left in the horizontal, in the vertical from top to bottom, and the horizontal spacing between adjacent LED chip equals longitudinal pitch.

Above-mentioned two kinds of arrangement forms, except edge LED chip, each LED chip and six LED chips around it form the triangle that three comprise red, green, blue three-primary color LED chip.Three triangles comprising red, green, blue three-primary color LED chip share this LED chip, and namely this LED chip can be re-used three times, can realize the virtual pixel display of 3 times, 3 times that the display resolution of image are brought up to screen physical resolution.

Three-primary color LED chip on described circuit board can also arrange according to the order of R, G, B in the horizontal from left to right, arrange from top to bottom in the vertical, and the horizontal spacing between adjacent LED chip is greater than longitudinal pitch according to the order of R, B, G.

Three-primary color LED chip on described circuit board can also all arrange according to the order of R, B, G from left to right in the horizontal, in the vertical from top to bottom, and the horizontal spacing between adjacent LED chip is less than longitudinal pitch.

Above-mentioned two kinds of arrangement forms by transversely adjacent three-primary color LED chip as a pixel, except edge LED chip, any one LED chip and 6 LED chips around it form the triangle that six comprise red, green, blue three-primary color LED chip, six triangles comprising red, green, blue three-primary color LED chip share this LED chip, namely this LED chip can be re-used 6 times, the virtual pixel display of 6 times can be realized, 6 times that the display resolution of image are brought up to screen physical resolution.

Another technical matters that the present invention will solve is to provide a kind of method utilizing the LED display of above-mentioned same color chip slant arrangements to realize pixel multiplexing.

In order to solve the problems of the technologies described above, the method utilizing the display screen of above-mentioned same color chip slant arrangements to realize pixel multiplexing of the present invention is as follows:

First, according to pixel multiplexing multiple n, determine the red, green, blue three-primary color LED chip of each pixel on display screen and the mapping relations of image source, for any one LED chip, its primary colours display data correspond to these primary colours display data of n adjacent pixel of image source, these primary colours data of this adjacent n pixel are added divided by n, obtain the display data of this LED chip, each pixel wherein on display screen is made up of transversely adjacent three-primary color LED chip or forms by longitudinally going up adjacent three-primary color LED chip; Carry out after pre-service obtains the three-primary color LED chip display data of each pixel, these display data being delivered to display screen by scan drive circuit and being shown to image source pixel.

Described pixel multiplexing multiple n=3, on display screen, arbitrary LED chip display data are D (x, y):

D(x,y)＝[d(x-1,y-1)+d(x,y-1)+d(x,y)]/3

Or D (x, y)=[d (x-1, y-1)+d (x-1, y)+d (x, y)]/3

Or D (x, y)=[d (x-1, y)+d (x, y-1)+d (x, y)]/3

Or D (x, y)=[d (x-1, y-1)+d (x-1, y)+d (x, y-1)]/3

X, y wherein in D (x, y) represent line order number and the row sequence number of pixel belonging to this LED chip respectively; The primary colours that d (x, y) corresponds to this LED chip for image source xth row y row pixel show data.

Described pixel multiplexing multiple n=6, on display screen, arbitrary LED chip display data are D (x, y):

D(x,y)＝[d(x-1,y-1)+d(x-1,y)+d(x-1,y+1)+d(x,y-1)+d(x,y)+d(x+1,y+1)]/6

Or

D(x,y)＝[d(x-1,y-1)+d(x-1,y)+d(x,y-1)+d(x,y)+d(x+1,y-1)+d(x+1,y)]/6

X, y wherein in D (x, y) represent line order number and the row sequence number of pixel belonging to this LED chip respectively; The primary colours that d (x, y) corresponds to this LED chip for image source xth row y row pixel show data.

The present invention is by arranging the LED chip of three kinds of colors with oblique line form respectively on circuit boards, effectively alleviate the cloth linear pressure of circuit board, " lamp drives unification " and the veneer that are conducive to LED display module realize, and greatly can reduce production cost, enhance productivity.Meanwhile, the cabling space that wafer arrangement mode needs is little, is conducive to the raising of display screen physical picture element density, is particularly suitable for super-high density LED display.Preferably, for the pixel multiplexing multiplying power of 3 times, when improving display pixel 3 times, avoid image blurring sense again simultaneously.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.

Fig. 1 is the virtual display schematic diagram of LED display of the same color chip slant arrangements of the embodiment of the present invention 1.

Fig. 2 is the virtual display schematic diagram of LED display of the same color chip slant arrangements of the embodiment of the present invention 2.

Fig. 3 is the virtual display schematic diagram of LED display of the same color chip slant arrangements of the embodiment of the present invention 3.

Fig. 4 is the virtual display schematic diagram of LED display of the same color chip slant arrangements of the embodiment of the present invention 4.

Fig. 5 is the virtual display schematic diagram of LED display of the same color chip slant arrangements of the embodiment of the present invention 5.

Fig. 6 is the virtual display schematic diagram of LED display of the same color chip slant arrangements of the embodiment of the present invention 6.

Embodiment

As shown in figs. 1 to 6, three-primary color LED chip R, G, B on the LED display circuit board of same color chip slant arrangements of the present invention equidistantly arrange with horizontal and vertical form of straight lines, and the LED chip of identical primary colours is arranged with oblique line form; In the direction perpendicular to this oblique line, three-primary color LED chip is tiltedly arranged in turn by order at equal intervals; Transversely adjacent three-primary color LED chip R, G, B form a pixel, or longitudinally upper adjacent three-primary color LED chip R, G, B form a pixel.

Embodiment 1

As shown in Figure 1, R, G, B represent red, green, blue three-primary color LED chip on display screen respectively.Three-primary color LED chip on circuit board aligns in length and breadth, and all equidistantly evenly arrange according to the order of R, G, B from top to bottom laterally from left to right, in longitudinal direction, the LED chip line on a display screen of primary colours of the same race is the oblique line of oblique 45 degree.In oblique 135 degree of directions, tiltedly arrange according to the rotation of R, G, B; Horizontal or longitudinal one group of red, green, blue three-primary color LED chip forms a physical picture element point, and except edge LED chip, each LED chip and six LED chips around it form the triangle that three comprise red, green, blue three-primary color LED chip.Three triangles comprising red, green, blue three-primary color LED chip share this LED chip.Such as, each blue LED die B and three green LED chip G around it, three red LED chips R form the triangle that three comprise red, green, blue three-primary color LED chip, and three triangles comprising red, green, blue three-primary color LED chip share this blue LED die B.Each LED chip can be re-used three times, can realize the virtual pixel display of 3 times, 3 times that the display resolution of image are brought up to screen physical resolution.

Above-mentioned display screen is utilized to realize the method for pixel multiplexing specific as follows:

First, according to pixel multiplexing multiple n=3, determine the red, green, blue three-primary color LED chip of each pixel on display screen and the mapping relations of image source;

As shown in Figure 1, on display screen, the mapping relations of LED chip and image source are expressed general formula and are:

$D(x,y)\⇒\left\{\begin{array}{c}d(x-1,y-1)\\ d(x,y-1)d(x,y)\end{array}\right\}---\left(1\right)$

Wherein D (x, y) represents the display data of arbitrary primary-color LED chip of display screen xth row y row pixel; The primary colours that d (x, y) corresponds to this LED chip for image source xth row y row pixel show data.

Then, pre-service is carried out to image source pixel, the primary colours data corresponding to this LED chip of adjacent for image source 3 pixels are added divided by 3, obtain primary colours display data D (x, y) of this LED chip on display screen;

D(x,y)＝[d(x-1,y-1)+d(x,y-1)+d(x,y)]/3 （2）

Finally, the three-primary color LED chip of each pixel obtained display data are delivered to display screen by scan drive circuit to show.It is identical that turntable driving mode and reality map display mode.

Such as, on display screen, laterally one group of red, green, blue three-primary color LED chip forms a physical picture element point, and the blue primary LED chip of the 3rd row the 2nd row pixel and the mapping relations expression formula of image source are:

$B\left(\mathrm{3,2}\right)\⇒\left\{\begin{array}{c}b\left(\mathrm{2,1}\right)\\ b\left(\mathrm{3,1}\right)b\left(\mathrm{3,2}\right)\end{array}\right\}$

B(3,2)＝[b(2,1)+b(3,1)+b(3,2)]/3

The mapping relations expression formula of red primary LED chip and image source is:

$R\left(\mathrm{3,2}\right)\⇒\left\{\begin{array}{c}r\left(\mathrm{2,1}\right)\\ r\left(\mathrm{3,1}\right)r\left(\mathrm{3,2}\right)\end{array}\right\}$

R(3,2)＝[r(2,1)+r(3,1)+r(3,2)]/3

The mapping relations expression formula of green primary LED chip and image source is:

$G\left(\mathrm{3,2}\right)\⇒\left\{\begin{array}{c}g\left(\mathrm{2,1}\right)\\ g\left(\mathrm{3,1}\right)g\left(\mathrm{3,2}\right)\end{array}\right\}$

G(3,2)＝[g(2,1)+g(3,1)+g(3,2)]/3

Embodiment 2

As shown in Figure 2, R, G, B represent red, green, blue three-primary color LED chip on display screen respectively.Three-primary color LED chip on circuit board aligns in length and breadth, horizontal spacing between each LED chip is not equal to longitudinal pitch, and transversely equidistantly evenly arrange according to the order of R, G, B from left to right, the order from top to bottom according to R, B, G in longitudinal direction is equidistantly evenly arranged.The LED chip line on a display screen of often kind of primary colours is oblique line.Perpendicular to this oblique line directions, tiltedly arrange according to the rotation of R, B, G; Longitudinally one group of red, green, blue three-primary color LED chip forms a physical picture element point, and except edge LED chip, each LED chip and six LED chips around it form the triangle that six comprise red, green, blue three-primary color LED chip.Six triangles comprising red, green, blue three-primary color LED chip share this LED chip.Such as, each blue LED die B and 3 green LED chip G around it, 3 red LED chips R form the triangle that six comprise red, green, blue three-primary color LED chip, and six triangles comprising red, green, blue three-primary color LED chip share this blue LED die.Each LED chip can be re-used 6 times, the corresponding primary colours of the pixel that six of corresponding diagram image source are different, can realize the virtual pixel display of 6 times, 6 times that the display resolution of image are brought up to screen physical resolution.

Above-mentioned display screen is utilized to realize the method for pixel multiplexing as follows:

First, according to pixel multiplexing multiple n=6, determine the red, green, blue three-primary color LED chip of each pixel on display screen and the mapping relations of image source;

As shown in Figure 2, on display screen, the mapping relations of LED chip and image source are expressed general formula and are:

$D(x,y)\⇒\left\{\begin{array}{cc}d(x-1,y-1)d(x-1,y)& d(x-1,y+1)\\ d(x,y-1)d(x,y)& d(x+1,y+1)\end{array}\right\}---\left(3\right)$

Or

$D(x,y)\⇒\left\{\begin{array}{cc}d(x-1,y-1)& d(x-1,y)\\ d(x,y-1)& d(x,y)\\ d(x+1,y-1)& d(x+1,y)\end{array}\right\}---\left(4\right)$

Wherein D (x, y) represents the display data of the arbitrary primary-color LED chip of display screen xth row y row pixel; The primary colours that d (x, y) corresponds to this LED chip for image source xth row y row pixel show data.

Then, pre-service is carried out to image source pixel, the primary colours data corresponding to this LED chip of adjacent for image source 6 pixels are added divided by 6, obtain primary colours display data D (x, y) of this LED chip on display screen; D (x, y)=[d (x-1, y-1)+d (x-1, y)+d (x-1, y+1)+d (x, y-1)+d (x, y)+d (x+1, y+1)]/6(5)

Or

D(x,y)＝[d(x-1,y-1)+d(x-1,y)+d(x,y-1)+d(x,y)+d(x+1,y-1)+d(x+1,y)]/6（6）

Finally, the three-primary color LED chip of each pixel obtained display data are delivered to display screen by scan drive circuit to show.It is identical that turntable driving mode and reality map display mode; Such as, on display screen, longitudinally one group of red, green, blue three-primary color LED chip forms a physical picture element point, and the blue primary LED chip of the 3rd row the 2nd row pixel and the mapping relations expression formula of image source are:

$B\left(\mathrm{2,3}\right)\⇒\left\{\begin{array}{cc}b\left(\mathrm{1,2}\right)b\left(\mathrm{1,3}\right)& b\left(\mathrm{1,4}\right)\\ b\left(\mathrm{2,2}\right)b\left(\mathrm{2,3}\right)& b\left(\mathrm{2,4}\right)\end{array}\right\}$

B(2,3)＝[b(1,2)+b(1,3)+b(1,4)+b(2,2)+b(2,3)+b(2,4)]/6

Or

$B\left(\mathrm{2,3}\right)\⇒\left\{\begin{array}{cc}b\left(\mathrm{1,2}\right)& b\left(\mathrm{1,3}\right)\\ b\left(\mathrm{2,2}\right)& b\left(\mathrm{2,3}\right)\\ b\left(\mathrm{3,2}\right)& b\left(\mathrm{3,3}\right)\end{array}\right\}$

B(2,3)＝[b(1,2)+b(1,3)+b(2,2)+b(2,3)+b(3,2)+b(3,3)]/6

By the pixel multiplexing method of the present embodiment, the physical picture element of available 960 × 320 realizes the image display of 1920 × 1080.

Embodiment 3

As shown in Figure 3, R, G, B represent red, green, blue three-primary color LED chip on display screen respectively.Three-primary color LED chip on circuit board aligns in length and breadth, horizontal spacing between each LED chip is less than longitudinal pitch, and transversely equidistantly evenly arrange according to the order of R, G, B from left to right, the order from top to bottom according to R, B, G in longitudinal direction is equidistantly evenly arranged.The LED chip line on a display screen of often kind of primary colours is oblique line.Perpendicular to this oblique line directions, tiltedly arrange according to the rotation of R, B, G; Laterally one group of red, green, blue three-primary color LED chip forms a physical picture element point, and except edge LED chip, each LED chip and six LED chips around it form the triangle that six comprise red, green, blue three-primary color LED chip.Six triangles comprising red, green, blue three-primary color LED chip share this LED chip.Such as, each blue LED die B and 3 green LED chip G around it, 3 red LED chips R form the triangle that six comprise red, green, blue three-primary color LED chip, and six triangles comprising red, green, blue three-primary color LED chip share this blue LED die.Each LED chip can be re-used 6 times, the corresponding primary colours of the pixel that six of corresponding diagram image source are different, can realize the virtual pixel display of 6 times, 6 times that the display resolution of image are brought up to screen physical resolution.

Above-mentioned display screen is utilized to realize the method for pixel multiplexing as follows:

First, according to pixel multiplexing multiple n=6, determine the red, green, blue three-primary color LED chip of each pixel on display screen and the mapping relations of image source;

As shown in Figure 3, on display screen, the mapping relations of LED chip and image source are expressed general formula and are:

$D(x,y)\⇒\left\{\begin{array}{cc}d(x-1,y-1)d(x-1,y)& d(x-1,y+1)\\ d(x,y-1)d(x,y)& d(x+1,y+1)\end{array}\right\}---\left(3\right)$

Or

$D(x,y)\⇒\left\{\begin{array}{cc}d(x-1,y-1)& d(x-1,y)\\ d(x,y-1)& d(x,y)\\ d(x+1,y-1)& d(x+1,y)\end{array}\right\}---\left(4\right)$

Wherein D (x, y) represents the display data of display screen xth row y row pixel primary-color LED chip; The primary colours that d (x, y) corresponds to this LED chip for image source xth row y row pixel show data.

Then, pre-service is carried out to image source pixel, these primary colours data of adjacent for image source 6 pixels are added divided by 6, obtain primary colours display data D (x, y) of LED chip corresponding on display screen;

D(x,y)＝[d(x-1,y-1)+d(x-1,y)+d(x-1,y+1)+d(x,y-1)+d(x,y)+d(x+1,y+1)]/6（5）

Or

D(x,y)＝[d(x-1,y-1)+d(x-1,y)+d(x,y-1)+d(x,y)+d(x+1,y-1)+d(x+1,y)]/6（6）

Finally, the three-primary color LED chip of each pixel obtained display data are delivered to display screen by scan drive circuit to show.It is identical that turntable driving mode and reality map display mode.

Such as, on display screen, longitudinally one group of red, green, blue three-primary color LED chip forms a physical picture element point, and the blue primary LED chip of the 3rd row the 2nd row pixel and the mapping relations expression formula of image source are:

$B\left(\mathrm{2,3}\right)\⇒\left\{\begin{array}{cc}b\left(\mathrm{2,1}\right)b\left(\mathrm{2,2}\right)& b\left(\mathrm{1,4}\right)\\ b\left(\mathrm{3,1}\right)b\left(\mathrm{3,2}\right)& b\left(\mathrm{3,3}\right)\end{array}\right\}$

B(3,2)＝[b(2,1)+b(2,2)+b(2,3)+b(3,1)+b(3,2)+b(3,3)]/6

Or

$B\left(\mathrm{2,3}\right)\⇒\left\{\begin{array}{cc}b\left(\mathrm{2,1}\right)& b\left(\mathrm{2,2}\right)\\ b\left(\mathrm{3,1}\right)& b\left(\mathrm{3,2}\right)\\ b\left(\mathrm{4,1}\right)& b\left(\mathrm{4,2}\right)\end{array}\right\}$

B(3,2)＝[b(2,1)+b(2,2)+b(3,1)+b(3,2)+b(4,1)+b(4,2)]/6

By pixel multiplexing method of the present invention, the physical picture element of available 640 × 540 realizes the image display of 1920 × 1080.

Embodiment 4

As shown in Figure 4, from right to left in the horizontal, longitudinal direction is all equidistantly evenly arranged according to the order of R, G, B from top to bottom, the LED chip line on a display screen of primary colours of the same race is the oblique line of oblique 135 degree to the three-primary color LED chip on circuit board.In oblique 45 degree of directions, tiltedly arrange according to the rotation of R, G, B.

Above-mentioned display screen is utilized to realize the method for pixel multiplexing specific as follows:

First, according to pixel multiplexing multiple n=3, determine the red, green, blue three-primary color LED chip of each pixel on display screen and the mapping relations of image source;

As shown in Figure 4, on display screen, the mapping relations of LED chip and image source are expressed general formula and are:

$D(x,y)\⇒\left\{\begin{array}{c}d(x-1,y-1)d(x-1,y)\\ d(x,y-1)\end{array}\right\}$

Wherein D (x, y) represents the display data of arbitrary primary-color LED chip of display screen xth row y row pixel; The primary colours that d (x, y) corresponds to this LED chip for image source xth row y row pixel show data.

Then, pre-service is carried out to image source pixel, the primary colours data corresponding to this LED chip of adjacent for image source 3 pixels are added divided by 3, obtain primary colours display data D (x, y) of this LED chip on display screen;

D(x,y)＝[d(x-1,y-1)+d(x-1,y)+d(x,y-1)]/3

Finally, the three-primary color LED chip of each pixel obtained display data are delivered to display screen by scan drive circuit to show.It is identical that turntable driving mode and reality map display mode.

Such as, on display screen, laterally one group of red, green, blue three-primary color LED chip forms a physical picture element point, and the blue primary LED chip of the 3rd row the 2nd row pixel and the mapping relations expression formula of image source are:

$B\left(\mathrm{3,2}\right)\⇒\left\{\begin{array}{c}b\left(\mathrm{2,1}\right)b\left(\mathrm{2,2}\right)\\ b\left(\mathrm{3,1}\right)\end{array}\right\}$

B(3,2)＝[b(2,1)+b(2,2)+b(3,1)]/3

The mapping relations expression formula of red primary LED chip and image source is:

$R\left(\mathrm{3,2}\right)\⇒\left\{\begin{array}{c}r\left(\mathrm{2,1}\right)r\left(\mathrm{2,2}\right)\\ r\left(\mathrm{3,1}\right)\end{array}\right\}$

R(3,2)＝[r(2,1)+r(2,2)+r(3,1)]/3

The mapping relations expression formula of green primary LED chip and image source is:

$G\left(\mathrm{3,2}\right)\⇒\left\{\begin{array}{c}g\left(\mathrm{2,1}\right)g\left(\mathrm{2,2}\right)\\ g\left(\mathrm{3,1}\right)\end{array}\right\}$

G(3,2)＝[g(2,1)+g(2,2)+g(3,1)]/3

Embodiment 5

As shown in Figure 5, the three-primary color LED chip on circuit board aligns in length and breadth, longitudinal pitch that the horizontal spacing between each LED chip is less than (or being greater than), and from right to left in the horizontal, longitudinal direction is all equidistantly evenly arranged according to the order of R, G, B from top to bottom.The LED chip line on a display screen of often kind of primary colours is oblique line.Perpendicular to this oblique line directions, tiltedly arrange according to the rotation of R, G, B; Laterally one group of red, green, blue three-primary color LED chip forms a physical picture element point.

The method that the present embodiment realizes pixel multiplexing is identical with embodiment 3.

Embodiment 6

As shown in Figure 6, the three-primary color LED chip on circuit board aligns in length and breadth, longitudinal pitch that the horizontal spacing between each LED chip is greater than (or being less than), and from right to left in the horizontal, longitudinal direction is all equidistantly evenly arranged according to the order of R, G, B from top to bottom.The LED chip line on a display screen of often kind of primary colours is oblique line.Perpendicular to this oblique line directions, tiltedly arrange according to the rotation of R, G, B; Longitudinally one group of red, green, blue three-primary color LED chip forms a physical picture element point.

The method that the present embodiment realizes pixel multiplexing is identical with embodiment 2.

Claims (3)

1. one kind as follows with the display screen matrix multiplexing method of color chip slant arrangements:

First, according to pixel multiplexing multiple n, determine the red, green, blue three-primary color LED chip of each pixel on display screen and the mapping relations of image source, for any one LED chip, its primary colours display data correspond to these primary colours display data of n adjacent pixel of image source, these primary colours of this adjacent n pixel display data are added divided by n, obtain the display data of this LED chip; Each pixel wherein on display screen is made up of transversely adjacent three-primary color LED chip or forms by longitudinally going up adjacent three-primary color LED chip; Carry out after pre-service obtains the three-primary color LED chip display data of each pixel, these display data being delivered to display screen by scan drive circuit and being shown to image source pixel;

Three-primary color LED chip on described display screen circuit board is equidistantly arranged with horizontal and vertical form of straight lines respectively, and the LED chip of identical primary colours is arranged with oblique line form, in the direction perpendicular to this oblique line, three-primary color LED chip is tiltedly arranged in turn by order at equal intervals.

2. the display screen matrix multiplexing method of same color chip slant arrangements according to claim 1, is characterized in that described pixel multiplexing multiple n=3, and on display screen, arbitrary LED chip display data are D (x, y):

D(x,y)＝[d(x-1,y-1)+d(x,y-1)+d(x,y)]/3

Or D (x, y)=[d (x-1, y-1)+d (x-1, y)+d (x, y)]/3

Or D (x, y)=[d (x-1, y)+d (x, y-1)+d (x, y)]/3

Or D (x, y)=[d (x-1, y-1)+d (x-1, y)+d (x, y-1)]/3

X, y wherein in D (x, y) represent line order number and the row sequence number of pixel belonging to this LED chip respectively; The primary colours that d (x, y) corresponds to this LED chip for image source xth row y row pixel show data.

3. the display screen matrix multiplexing method of same color chip slant arrangements according to claim 1, is characterized in that described pixel multiplexing multiple n=6, and on display screen, arbitrary LED chip display data are D (x, y):

D (x, y)=[d (x-1, y-1)+d (x-1, y)+d (x-1, y+1)+d (x, y-1)+d (x, y)+d (x+1, y+1)]/6 or

D(x,y)＝[d(x-1,y-1)+d(x-1,y)+d(x,y-1)+d(x,y)+d(x+1,y-1)+d(x+1,y)]/6

X, y wherein in D (x, y) represent line order number and the row sequence number of pixel belonging to this LED chip respectively; The primary colours that d (x, y) corresponds to this LED chip for image source xth row y row pixel show data.