CN116913179A - Arrangement structure of sub-pixels, virtual pixel structure and pixel multiplexing method - Google Patents
Arrangement structure of sub-pixels, virtual pixel structure and pixel multiplexing method Download PDFInfo
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Abstract
The invention discloses an arrangement structure of sub-pixels, a virtual pixel structure and a pixel multiplexing method, belongs to the technical field of optoelectronics and information display, and particularly relates to an arrangement structure of sub-pixels; solves the problems of color cast and even color edges existing in the existing subpixel arrangement structure; the arrangement structure comprises a plurality of pixel units; the pixel units are uniformly and circularly arranged in the row-column direction; each pixel unit consists of three sub-pixels which are arranged into an isosceles triangle; each of the sub-pixels displays any one of three primary colors, and the three sub-pixels in each pixel unit display different primary colors. The arrangement structure, the virtual pixel structure and the pixel multiplexing method of the sub-pixels are suitable for carrying out arrangement and display control on the sub-pixels or the virtual pixels of the LEDs.
Description
Technical Field
The invention relates to the technical field of optoelectronics and information display, in particular to an arrangement structure of sub-pixels.
Background
The display screen is an important man-machine interaction medium, is as small as an intelligent watch/bracelet, and is as large as intelligent equipment such as a display screen for display, a display screen for conference, an advertisement screen and the like, and then is used as the man-machine interaction medium; in the prior art, the display screen commonly used mainly has two technical routes of LCD and OLED, in addition, miniLED and MicroLED display technologies are also rapidly developed, and for large-scale display screens, LED display technologies are adopted.
The LED display technology has the advantages of wide color gamut, high luminous efficiency, high response speed, wide working temperature range and the like, is widely applied to the fields of high-end display, flat panel display backlight source, illumination and the like, and has wide application markets in the fields of cinema, medical teaching and the like. In recent years, with the development of technology, high-density and ultra-high-density LED display screens are gradually developed; the high-density LED display screen can be applied to ultra-large high-image-quality televisions.
An important indicator affecting the image quality of the high-density LED display screen is screen sharpness. The screen definition is mainly embodied in aspects of image spatial resolution, image display hierarchical resolution, pixel optical crosstalk degree, pixel edge fusion degree and the like; the spatial resolution of the image depends on the arrangement of the LED pixels and the pixel density in the LED display screen.
In short, the arrangement mode (or called pixel arrangement structure) of the LED pixels has an important influence on the display effect of the high-density LED display screen. In addition, the pixel arrangement structure has decisive influence on the performances of the LED display screen, such as brightness, response speed, color quality, service life and the like.
The prior Chinese patent No. CN115084186A discloses a pixel arrangement structure and a virtual pixel structure based on the pixel arrangement structure. The pixel arrangement structure disclosed in the patent CN115084186a includes a plurality of physical pixel units arranged in a matrix form, each of the physical pixel units includes four sub-pixels (i.e., sub-pixels, or referred to as light emitting components), which are a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel, respectively; in the a direction (i.e., column direction, longitudinal direction), the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel are sequentially arranged; in the B direction (i.e., the row direction, the lateral direction), the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel are sequentially arranged in a staggered manner. In the pixel arrangement structure of the invention patent CN115084186a, in one physical pixel unit, the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel are orderly arranged in a staggered manner, so that a reasonably arranged pixel arrangement structure is provided for the display module, and performances such as brightness, response speed, color quality and service life of the display module can be effectively improved.
However, the pixel arrangement structure of the patent CN115084186a also has some drawbacks: in the pixel arrangement structure, in the direction a (i.e. the column direction and the longitudinal direction), only sub-pixels (i.e. sub-pixels or called light emitting components) displaying two primary colors participate in color mixing, so that serious color cast problems and even color edges occur.
Disclosure of Invention
The invention provides a sub-pixel arrangement structure, a virtual pixel structure and a pixel multiplexing method, which solve the problems of color cast and even color edges of the existing sub-pixel arrangement structure.
The technical scheme of the arrangement structure of the sub-pixels is as follows:
the arrangement structure comprises a plurality of pixel units; the pixel units are uniformly and circularly arranged in the row-column direction;
each pixel unit consists of three sub-pixels which are arranged into an isosceles triangle; each sub-pixel displays any one of three primary colors, and three sub-pixels in each pixel unit display different primary colors;
the pixel units are divided into 3 categories according to the difference of the display primary colors of the sub-pixels at the vertexes of the isosceles triangle: a first pixel unit 101, a second pixel unit 102, and a third pixel unit 103;
In the arrangement:
if two pixel units are in the same column and adjacent to each other:
the two pixel units belong to pixel units of different categories, and the apexes of isosceles triangles formed by the two pixel units are oriented to the same direction, and the bottom edges of the isosceles triangles are parallel to each other;
meanwhile, the sub-pixel at the vertex of the isosceles triangle in the ith row of pixel units and the sub-pixel at the right side end point of the bottom edge of the isosceles triangle in the (i+1) th row of pixel units display different primary colors, wherein i is a positive integer;
if two pixel units are in the same row and adjacent to each other:
the two pixel units belong to the same class of pixel units, and the vertexes of isosceles triangles formed by the two pixel units are opposite in orientation and the bottom edges of the isosceles triangles are parallel to each other. Further, there is provided a preferred embodiment, in which in the first pixel unit 101, the sub-pixel at the left end of the base of the isosceles triangle displays the first primary color, the sub-pixel at the right end of the base of the isosceles triangle displays the third primary color, and the sub-pixel at the vertex of the isosceles triangle displays the second primary color;
in the second pixel unit 102, the sub-pixel at the left end point of the bottom side of the isosceles triangle displays the second primary color, the sub-pixel at the right end point of the bottom side of the isosceles triangle displays the first primary color, and the sub-pixel at the vertex of the isosceles triangle displays the third primary color;
In the third pixel unit 103, the sub-pixel at the left end of the base of the isosceles triangle displays the third primary color, the sub-pixel at the right end of the base of the isosceles triangle displays the second primary color, and the sub-pixel at the vertex of the isosceles triangle displays the first primary color.
Further, a preferred embodiment is provided wherein a first of the three primary colors is a red primary color, a second primary color is a green primary color, and a third primary color is a blue primary color.
Further, a preferred embodiment is provided, wherein the subpixels are rectangular.
Further, a preferred embodiment is provided wherein the row spacing between any two adjacent subpixels in the same column is equal.
Further, a preferred embodiment is provided wherein the column spacing between the sub-pixels of any two adjacent columns is equal.
Further, a preferred embodiment is provided, wherein the row spacing between any two adjacent sub-pixels in the same column is equal to the rectangular side length of the sub-pixels.
The invention also provides a virtual pixel structure, which has the following technical scheme:
the virtual pixel structure adopts the arrangement structure of the sub-pixels;
The virtual pixel structure comprises a plurality of virtual pixel units; the plurality of virtual pixel units are uniformly and circularly arranged in the row-column direction;
each virtual pixel unit consists of four adjacent sub-pixels; the four sub-pixels are arranged into a parallelogram;
the virtual pixel units are divided into 3 types of virtual pixel units: a first type of virtual pixel unit 201, a second type of virtual pixel unit 202, and a third type of virtual pixel unit 203;
let i, j be positive integers, then:
the four sub-pixels in the first virtual pixel unit 201 are respectively: the pixel unit comprises a sub-pixel at the left end point of the isosceles triangle base of the ith row and jth column of pixel units, a sub-pixel at the vertex of the isosceles triangle of the ith row and jth column of pixel units, a sub-pixel at the left end point of the isosceles triangle base of the (i+1) th row and jth column of pixel units and a sub-pixel at the vertex of the isosceles triangle of the (i+1) th row and jth column of pixel units;
the four sub-pixels in the second virtual pixel unit 202 are respectively: the pixel structure comprises a sub-pixel at the isosceles triangle vertex of an ith row and a jth column of pixel units, a sub-pixel at the right side end point of the isosceles triangle bottom edge of the ith row and the jth column of pixel units, a sub-pixel at the isosceles triangle vertex of an (i+1) th row and a sub-pixel at the right side end point of the isosceles triangle of the (i+1) th row and the jth column of pixel units;
The four sub-pixels in the third virtual pixel unit 203 are respectively: the pixel display device comprises a subpixel at the right side end point of the isosceles triangle base of the ith row and jth column of pixel units, a subpixel at the right side end point of the isosceles triangle base of the ith+1th row and jth column of pixel units, a subpixel at the left side end point of the isosceles triangle base of the ith row and jth+1th column of pixel units and a subpixel at the left side end point of the isosceles triangle base of the ith+1th row and jth column of pixel units.
The invention also provides a pixel multiplexing method, which has the following technical scheme:
the pixel multiplexing method is realized based on the virtual pixel structure; the method comprises the following steps:
s1, acquiring a multiplexing relation of sub-pixels in the pixel units in the virtual pixel units, and determining source pixel points of RGB sub-pixel data information of each pixel unit according to the multiplexing relation; the RGB sub-pixel data information includes sub-pixel data information of 3 primary colors:
let i, j be positive integers greater than 1, then:
the source pixel points of RGB sub-pixel data information of the pixel units in the 1 st row and the 1 st column are pixel points in the 1 st row, the 1 st column, the 1 st row, the 2 nd column and the 1 st row and the 3 rd column in the video source respectively;
The source pixel points of RGB sub-pixel data information of the pixel units in the 1 st row and the j th column are pixel points in the 1 st row, the 3 rd (j-1) column, the 1 st row, the 3 rd (j-1) +1 column, the 1 st row, the 3 rd (j-1) +2 column and the 1 st row, the 3 rd (j-1) +3 column in the video source respectively;
the source pixel points of RGB sub-pixel data information of the pixel units in the ith row and the 1 st column are pixel points in the ith-1 row and the 1 st column, the ith-1 row and the 2 nd column, the ith-1 row and the 3 rd column, the ith row and the 1 st column, the ith row and the 2 nd column and the ith row and the 3 rd column in the video source respectively;
the source pixel points of RGB sub-pixel data information of the pixel units in the ith row and the jth column are respectively pixel points in the ith-1 row, the 3 (j-1) column, the 3 (j-1) +1 column, the 3 (j-1) +2 column, the 3 (j-1) +3 column, the 3 (j-1) +1 column, the 3 (j-1) +2 column and the 3 (j-1) +3 column in the ith row in the video source;
s2, processing RGB sub-pixel data information included in each source pixel point in the video source according to the source pixel point of the RGB sub-pixel data information of each pixel unit, and assigning the processed RGB sub-pixel data information to the corresponding pixel unit;
The sub-pixel data information value of any primary color of the sub-pixels of the pixel unit of the 1 st row and the 1 st column is the average value of the sub-pixel data information values of the same primary colors of the pixel points of the 1 st row, the 2 nd column and the 1 st row and the 3 rd column in the video source;
the sub-pixel data information value of any primary color of the sub-pixel of the pixel unit of the 1 st row and the j-th column is the average value of the sub-pixel data information values of the same primary colors of the pixel points of the 1 st row, the 3 rd (j-1) +1 column, the 1 st row, the 3 rd (j-1) +2 column and the 1 st row, the 3 rd (j-1) +3 column in the video source;
the sub-pixel data information value of any primary color of the sub-pixel of the pixel unit of the ith row and the 1 st column is the average value of the sub-pixel data information values of the same primary colors of pixel points in the ith-1 row and the 1 st column, the ith-1 row and the 2 nd column, the ith-1 row and the 3 rd column in the video source;
the sub-pixel data information values of any primary color of the sub-pixels of the pixel unit of the ith row and the jth column are the average values of the sub-pixel data information values of the same primary colors of the pixel points of the ith row and the jth column 3 (j-1), the ith row and the jth column 3 (j-1) +1, the ith row and the jth column 3 (j-1) +3, the ith row and the jth column 3 (j-1) +1, the ith row and the ith column 3 (j-1) +2 and the ith row and the jth column 3 (j-1) +3 in the video source respectively.
The invention also provides a display, which has the following technical scheme:
the display applies the pixel multiplexing method described above.
The invention has the following beneficial effects:
according to the arrangement structure of the sub-pixels, the sub-pixels are uniformly arranged in the row-column direction, so that the sub-pixels displaying three different primary colors participate in color mixing in the transverse and longitudinal directions (namely the row-column directions) of the arrangement structure; in the arrangement structure, at least two sub-pixels displaying two different primary colors participate in color mixing along the directions of 45-degree angles and 135-degree angles; by doing so, a better color mixing effect can be obtained, and further, edge detail information of sub-pixels in the arrangement structure along the common direction can be well reserved, and the phenomenon that the color of the high-frequency information is not converged, namely, the color edge phenomenon, does not occur.
The arrangement structure of the sub-pixels, the virtual pixel structure and the pixel multiplexing method are suitable for carrying out arrangement and display control on the sub-pixels or the virtual pixels of the LEDs.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram showing an arrangement of pixel units according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating an arrangement of virtual pixel units according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a sub-pixel multiplexing relationship between a pixel unit and a virtual pixel unit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a display driving system for shift-registering RGB sub-pixel data information of first and second rows of pixel points in a video source according to an embodiment of the present invention;
FIG. 5 is a schematic diagram showing a display driving system performing shift registration on RGB sub-pixel data information of a kth row of pixel points in a video source according to an embodiment of the present invention;
wherein R is a red primary color, G is a green primary color, and B is a blue primary color;
reference numerals:
101. a first pixel unit; 102. a second pixel unit; 103. a third pixel unit; 201. a first type of virtual pixel unit; 202. a second type of virtual pixel unit; 203. and a third virtual pixel unit.
Detailed Description
In order to make the technical scheme and the advantages of the present invention more clear, the following detailed description of the embodiments of the present invention will be further described in detail and fully with reference to the accompanying drawings; it will be apparent that the described embodiments are only some, but not all, embodiments of the invention; the embodiments described below are exemplary and intended to be illustrative of the invention and are not to be construed as limiting the invention; reasonable combinations of technical features defined by the various embodiments of the present invention, and all other embodiments that can be obtained by one of ordinary skill in the art without making inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.
An embodiment one, referring to fig. 1, provides an arrangement structure of sub-pixels, and the implementation details are as follows:
the arrangement structure comprises a plurality of pixel units; the pixel units are uniformly and circularly arranged in the row-column direction;
each pixel unit consists of three sub-pixels which are arranged into an isosceles triangle; each sub-pixel displays any one of three primary colors, and three sub-pixels in each pixel unit display different primary colors;
the pixel units are divided into 3 categories according to the difference of the display primary colors of the sub-pixels at the vertexes of the isosceles triangle: a first pixel unit 101, a second pixel unit 102, and a third pixel unit 103;
in the arrangement:
if two pixel units are in the same column and adjacent to each other:
the two pixel units belong to pixel units of different categories, and the apexes of isosceles triangles formed by the two pixel units are oriented to the same direction, and the bottom edges of the isosceles triangles are parallel to each other;
meanwhile, the sub-pixel at the vertex of the isosceles triangle in the ith row of pixel units and the sub-pixel at the right side end point of the bottom edge of the isosceles triangle in the (i+1) th row of pixel units display different primary colors, wherein i is a positive integer;
If two pixel units are in the same row and adjacent to each other:
the two pixel units belong to the same class of pixel units, and the vertexes of isosceles triangles formed by the two pixel units are opposite in orientation and the bottom edges of the isosceles triangles are parallel to each other.
In this embodiment, the directions of the apexes of the isosceles triangles formed by the pixel units are two, one is that the apexes of the isosceles triangles face downward and the bottom sides of the isosceles triangles face upward, and the other is that the apexes of the isosceles triangles face upward and the bottom sides of the isosceles triangles face downward.
In the arrangement structure of the sub-pixels, when two pixel units are in the same row and are adjacent, if the isosceles triangle of one pixel unit is the one with the vertex facing downwards and the bottom edge facing upwards, the isosceles triangle of the other adjacent pixel unit is the one with the vertex facing upwards and the bottom edge facing downwards, i.e. the directions of the vertexes of the isosceles triangles of the two adjacent pixel units in the same row are opposite.
In the arrangement structure of the sub-pixels, when two pixel units are in the same column and are adjacent, if the isosceles triangle of one pixel unit is the one with the vertex facing downwards and the bottom edge facing upwards, the isosceles triangle of the adjacent other pixel unit is also the one with the vertex facing downwards and the bottom edge facing upwards, i.e. the vertex orientations of the isosceles triangles of the two adjacent pixel units in the same column are the same.
In the second embodiment, the present embodiment is described with reference to fig. 1, and the present embodiment is further limited to the arrangement structure of the sub-pixels described in the first embodiment, and the specific implementation contents are as follows:
in the first pixel unit 101, the sub-pixel at the left end point of the bottom side of the isosceles triangle displays the first primary color, the sub-pixel at the right end point of the bottom side of the isosceles triangle displays the third primary color, and the sub-pixel at the vertex of the isosceles triangle displays the second primary color;
in the second pixel unit 102, the sub-pixel at the left end point of the bottom side of the isosceles triangle displays the second primary color, the sub-pixel at the right end point of the bottom side of the isosceles triangle displays the first primary color, and the sub-pixel at the vertex of the isosceles triangle displays the third primary color;
in the third pixel unit 103, the sub-pixel at the left end of the base of the isosceles triangle displays the third primary color, the sub-pixel at the right end of the base of the isosceles triangle displays the second primary color, and the sub-pixel at the vertex of the isosceles triangle displays the first primary color.
In the third embodiment, the present embodiment is described with reference to fig. 1, and the present embodiment is further limited to the three primary colors in the arrangement structure of the sub-pixels described in the second embodiment, and the specific implementation contents are as follows:
The first primary color of the three primary colors is a red primary color, the second primary color is a green primary color, and the third primary color is a blue primary color.
In the fourth embodiment, the present embodiment is described with reference to fig. 1, and the embodiment is further defined by the arrangement structure of the sub-pixels described in the third embodiment, and the specific implementation contents are as follows:
the sub-pixels are all rectangular.
Further, the line spacing between any two adjacent subpixels in the same column is equal.
Further, the column pitch between the sub-pixels of any two adjacent columns is equal.
Further, the row spacing between any two adjacent sub-pixels in the same column is equal to the rectangular side length of the sub-pixels.
Further, the column spacing between the sub-pixels of any two adjacent columns is equal to the rectangular side length of the sub-pixels.
Fifth embodiment, the present embodiment is described with reference to fig. 2, and provides a virtual pixel structure:
the virtual pixel structure adopts the arrangement structure of the sub-pixels;
the virtual pixel structure comprises a plurality of virtual pixel units; the plurality of virtual pixel units are uniformly and circularly arranged in the row-column direction;
Each virtual pixel unit consists of four adjacent sub-pixels; the four sub-pixels are arranged into a parallelogram;
the virtual pixel units are divided into 3 types of virtual pixel units: a first type of virtual pixel unit 201, a second type of virtual pixel unit 202, and a third type of virtual pixel unit 203;
let i, j be positive integers, then:
the four sub-pixels in the first virtual pixel unit 201 are respectively: the pixel unit comprises a sub-pixel at the left end point of the isosceles triangle base of the ith row and jth column of pixel units, a sub-pixel at the vertex of the isosceles triangle of the ith row and jth column of pixel units, a sub-pixel at the left end point of the isosceles triangle base of the (i+1) th row and jth column of pixel units and a sub-pixel at the vertex of the isosceles triangle of the (i+1) th row and jth column of pixel units;
the four sub-pixels in the second virtual pixel unit 202 are respectively: the pixel structure comprises a sub-pixel at the isosceles triangle vertex of an ith row and a jth column of pixel units, a sub-pixel at the right side end point of the isosceles triangle bottom edge of the ith row and the jth column of pixel units, a sub-pixel at the isosceles triangle vertex of an (i+1) th row and a sub-pixel at the right side end point of the isosceles triangle of the (i+1) th row and the jth column of pixel units;
The four sub-pixels in the third virtual pixel unit 203 are respectively: the pixel display device comprises a subpixel at the right side end point of the isosceles triangle base of the ith row and jth column of pixel units, a subpixel at the right side end point of the isosceles triangle base of the ith+1th row and jth column of pixel units, a subpixel at the left side end point of the isosceles triangle base of the ith row and jth+1th column of pixel units and a subpixel at the left side end point of the isosceles triangle base of the ith+1th row and jth column of pixel units.
In this embodiment, the classification of the three types of virtual pixel units is only related to the pixel units from which the sub-pixels are derived, and is not related to the color of the sub-pixels or the inclination direction of the parallelogram composed of the sub-pixels.
For example, in fig. 2, the dummy pixel cells represented by parallelograms in row 1, column 1, row 2, column 1, row 3, column 1, and column 1, row 4 are all the first type of dummy pixel cell 201; although the primary colors displayed by the sub-pixels at the same position in the several virtual pixel units are different and the inclination directions of the constituent parallelograms are also different, the sub-pixels constituting the several virtual pixel units conform to the definition of the first type of virtual pixel unit 201.
Embodiment six, the present embodiment is described with reference to fig. 3-5, and the present embodiment provides a pixel multiplexing method:
The pixel multiplexing method is realized based on the virtual pixel structure; the method comprises the following steps:
s1, acquiring a multiplexing relation of sub-pixels in the pixel units in the virtual pixel units, and determining source pixel points of RGB sub-pixel data information of each pixel unit according to the multiplexing relation; the RGB sub-pixel data information includes sub-pixel data information of 3 primary colors:
let i, j be positive integers greater than 1, then:
the source pixel points of RGB sub-pixel data information of the pixel units in the 1 st row and the 1 st column are pixel points in the 1 st row, the 1 st column, the 1 st row, the 2 nd column and the 1 st row and the 3 rd column in the video source respectively;
the source pixel points of RGB sub-pixel data information of the pixel units in the 1 st row and the j th column are pixel points in the 1 st row, the 3 rd (j-1) column, the 1 st row, the 3 rd (j-1) +1 column, the 1 st row, the 3 rd (j-1) +2 column and the 1 st row, the 3 rd (j-1) +3 column in the video source respectively;
the source pixel points of RGB sub-pixel data information of the pixel units in the ith row and the 1 st column are pixel points in the ith-1 row and the 1 st column, the ith-1 row and the 2 nd column, the ith-1 row and the 3 rd column, the ith row and the 1 st column, the ith row and the 2 nd column and the ith row and the 3 rd column in the video source respectively;
The source pixel points of RGB sub-pixel data information of the pixel units in the ith row and the jth column are respectively pixel points in the ith-1 row, the 3 (j-1) column, the 3 (j-1) +1 column, the 3 (j-1) +2 column, the 3 (j-1) +3 column, the 3 (j-1) +1 column, the 3 (j-1) +2 column and the 3 (j-1) +3 column in the ith row in the video source;
s2, processing RGB sub-pixel data information included in each source pixel point in the video source according to the source pixel point of the RGB sub-pixel data information of each pixel unit, and assigning the processed RGB sub-pixel data information to the corresponding pixel unit;
the sub-pixel data information value of any primary color of the sub-pixels of the pixel unit of the 1 st row and the 1 st column is the average value of the sub-pixel data information values of the same primary colors of the pixel points of the 1 st row, the 2 nd column and the 1 st row and the 3 rd column in the video source;
the sub-pixel data information value of any primary color of the sub-pixel of the pixel unit of the 1 st row and the j-th column is the average value of the sub-pixel data information values of the same primary colors of the pixel points of the 1 st row, the 3 rd (j-1) +1 column, the 1 st row, the 3 rd (j-1) +2 column and the 1 st row, the 3 rd (j-1) +3 column in the video source;
The sub-pixel data information value of any primary color of the sub-pixel of the pixel unit of the ith row and the 1 st column is the average value of the sub-pixel data information values of the same primary colors of pixel points in the ith-1 row and the 1 st column, the ith-1 row and the 2 nd column, the ith-1 row and the 3 rd column in the video source;
the sub-pixel data information values of any primary color of the sub-pixels of the pixel unit of the ith row and the jth column are the average values of the sub-pixel data information values of the same primary colors of the pixel points of the ith row and the jth column 3 (j-1), the ith row and the jth column 3 (j-1) +1, the ith row and the jth column 3 (j-1) +3, the ith row and the jth column 3 (j-1) +1, the ith row and the ith column 3 (j-1) +2 and the ith row and the jth column 3 (j-1) +3 in the video source respectively.
In this embodiment, the multiplexing relationship of the sub-pixels in the pixel unit in the virtual pixel unit:
let i, j be positive integers greater than 1, then:
three sub-pixels in the 1 st row and 1 st column pixel units are multiplexed by the 1 st row and 1 st column, the 1 st row and 2 nd column and the 1 st row and 3 rd column virtual pixel units respectively;
three sub-pixels in the pixel unit of the 1 st row and the j-th column are multiplexed by the virtual pixel units of the 1 st row, the 3 rd (j-1) column, the 1 st row, the 3 rd (j-1) +1 column, the 1 st row, the 3 rd (j-1) +2 column and the 1 st row, the 3 rd (j-1) +3 column, respectively;
Three sub-pixels in the pixel unit of the ith row and the 1 st column are multiplexed by the virtual pixel units of the ith-1 row and the 1 st column, the ith-1 row and the 2 nd column, the ith-1 row and the 3 rd column, the ith row and the 1 st column, the ith row and the 2 nd column and the ith row and the 3 rd column respectively;
three sub-pixels in the pixel unit of the ith row and the jth column are multiplexed by the virtual pixel units of the ith-1 row and the 3 (j-1) column, the ith-1 row and the 3 (j-1) +1 column, the ith-1 row and the 3 (j-1) +2 column, the ith-1 row and the 3 (j-1) +3 column, the ith row and the 3 (j-1) +1 column, the ith row and the 3 (j-1) +2 column and the ith row and the 3 (j-1) +3 column, respectively.
For example:
three sub-pixels in the pixel unit of the 1 st row and the 2 nd column are multiplexed by the virtual pixel units of the 1 st row and the 3 rd column, the 1 st row and the 4 th column, the 1 st row and the 5 th column and the 1 st row and the 6 th column respectively;
three sub-pixels in the pixel unit of the 2 nd row and the 1 st column are multiplexed by the virtual pixel units of the 1 st row and the 1 st column, the 1 st row and the 2 nd column, the 1 st row and the 3 rd column, the 2 nd row and the 1 st column, the 2 nd row and the 2 nd column and the 2 nd row and the 3 rd column respectively;
three sub-pixels in the pixel unit of the 2 nd row and the 2 nd column are multiplexed by the virtual pixel units of the 1 st row and the 3 rd column, the 1 st row and the 4 th column, the 1 st row and the 5 th column, the 1 st row and the 6 th column, the 2 nd row and the 3 rd column, the 2 nd row and the 4 th column, the 2 nd row and the 5 th column and the 2 nd row and the 6 th column respectively.
In this embodiment, the positions of the virtual pixel units in the virtual pixel structure are in one-to-one correspondence with the positions of the pixel points in the video source.
For example, in the virtual pixel structure, a virtual pixel unit located in the 1 st row and the 1 st column is used for displaying information of the pixel point of the video source located in the 1 st row and the 1 st column; and so on, the virtual pixel units of the 2 nd row and the 2 nd column display the pixel point information of the 2 nd row and the 2 nd column, …, and the virtual pixel units of the n th row and the n th column display the pixel point information of the n th row and the n th column.
Meanwhile, the pixel points in the video source store RGB sub-pixel data information required by the pixel units; the RGB sub-pixel data information comprises sub-pixel data information of 3 primary colors, namely sub-pixel data information of a first primary color, sub-pixel data information of a second primary color and sub-pixel data information of a third primary color.
Under the condition that the virtual pixel units are in one-to-one correspondence with the pixel points in the video source, the source pixel points of the RGB sub-pixel data information of each pixel unit can be determined as long as the multiplexing relation of the sub-pixels in the pixel units in the virtual pixel units is obtained.
In this embodiment, the determination of the source pixel point of the RGB sub-pixel data information of the pixel unit is shown in fig. 3:
the three sub-pixels included in the 1 st row and 1 st column pixel unit (isosceles triangle in the figure) are multiplexed with the 1 st row and 1 st column, the 1 st row and 2 nd column, and the 1 st row and 3 rd column virtual pixel units (parallelogram in the figure), respectively. Therefore, the source pixel points of the RGB sub-pixel data information of the pixel unit of the 1 st row and the 1 st column are the pixel points of the 1 st row, the 2 nd column and the 1 st row and the 3 rd column in the video source.
And (3) the same principle:
the three sub-pixels included in the 1 st row and 2 nd column pixel units are multiplexed by the 1 st row and 3 rd column, the 1 st row and 4 th column, the 1 st row and 5 th column, and the 1 st row and 6 th column virtual pixel units, respectively. Therefore, the source pixel points of the RGB sub-pixel data information of the pixel unit of the 1 st row and the 2 nd column are the pixel points located in the 1 st row, the 3 rd column, the 1 st row, the 4 th column, the 1 st row, the 5 th column and the 1 st row, the 6 th column in the video source.
The three sub-pixels included in the pixel unit of the 2 nd row and the 1 st column are multiplexed by the virtual pixel units of the 1 st row and the 1 st column, the 1 st row and the 2 nd column, the 1 st row and the 3 rd column, the 2 nd row and the 1 st column, the 2 nd row and the 3 rd column, respectively. Therefore, the source pixel point of the RGB sub-pixel data information of the pixel unit of the 2 nd row and the 1 st column is the pixel point of the video source located in the 1 st row and the 1 st column, the 1 st row and the 2 nd column, the 1 st row and the 3 rd column, the 2 nd row and the 1 st column, the 2 nd row and the 3 rd column.
The three sub-pixels included in the pixel unit of the 2 nd row and the 2 nd column are multiplexed by the virtual pixel units of the 1 st row and the 3 rd column, the 1 st row and the 4 th column, the 1 st row and the 5 th column, the 1 st row and the 6 th column, the 2 nd row and the 3 rd column, the 2 nd row and the 4 th column, the 2 nd row and the 5 th column, and the 2 nd row and the 6 th column, respectively. Therefore, the source pixel point of the RGB sub-pixel data information of the pixel unit in the 2 nd row and the 2 nd column is the pixel point in the 1 st row and the 3 rd column, the 1 st row and the 4 th column, the 1 st row and the 5 th column, the 1 st row and the 6 th column, the 2 nd row and the 3 rd column, the 2 nd row and the 4 th column, the 2 nd row and the 5 th column, and the 2 nd row and the 6 th column in the video source.
An embodiment seventh, which is described with reference to fig. 4 to 5, is a further limitation of the pixel multiplexing method described in the sixth embodiment, and the specific implementation contents are as follows:
the pixel multiplexing method is realized based on the following display driving system:
the display driving system comprises 1 FIFO memory (i.e. first-in first-out memory), 8 data registers, a crystal oscillator clock and an image source data processing and addressing assignment module;
the 8 data registers are a register number 1, a register number 2, a register number 3, a register number 4, a register number 5, a register number 6, a register number 7 and a register number 8;
The crystal oscillator clock is used for providing periodic pixel clock signals for the 1 FIFO memory, the 8 data registers, the image source data processing and addressing assignment module.
The FIFO memory is used for sending the RGB sub-pixel data information originally stored in the FIFO memory to the No. 4 register according to the period of the pixel clock signal; the system is also used for receiving and storing RGB sub-pixel data information of each row of pixel points in the video source according to the period of the pixel clock signal; the FIFO memory is provided with a read enabling end; the read enabling end is used for controlling whether the FIFO memory can send the RGB sub-pixel data information originally stored in the FIFO memory to the register No. 4;
the register number 4 is used for sending the RGB sub-pixel data information originally stored in the register number 3 according to the period of the pixel clock signal; the device is also used for storing RGB sub-pixel data information sent by the FIFO memory;
the register No. 3 is configured to send RGB sub-pixel data information originally stored in the register No. 2 according to a period of a pixel clock signal; the RGB sub-pixel data information is also used for storing the RGB sub-pixel data information sent by the register number 4;
The register number 2 is used for sending the RGB sub-pixel data information originally stored in the register number 1 according to the period of the pixel clock signal; the RGB sub-pixel data information is also used for storing the RGB sub-pixel data information sent by the register number 3;
the register 1 is used for storing the RGB sub-pixel data information sent by the register 2;
the register No. 8 is used for sending the RGB sub-pixel data information originally stored in the register No. 7 according to the period of the pixel clock signal; the video source is also used for receiving and storing RGB sub-pixel data information of a kth row of pixel points in the video source according to the period of the pixel clock signal, wherein k is a positive integer greater than 1;
the register 7 is used for sending the RGB sub-pixel data information originally stored in the register 6 according to the period of the pixel clock signal; the RGB sub-pixel data information is also used for storing the RGB sub-pixel data information sent by the register number 8;
the register No. 6 is used for sending the RGB sub-pixel data information originally stored in the register No. 5 according to the period of the pixel clock signal; the device is also used for storing RGB sub-pixel data information sent by the register No. 7;
The register No. 5 is used for storing RGB sub-pixel data information sent by the register No. 6;
the image source data processing and addressing assignment module is used for acquiring the RGB sub-pixel data information stored in the FIFO memory and the 8 data registers, processing the RGB sub-pixel data information and assigning the processed RGB sub-pixel data information to the corresponding pixel units.
In this embodiment, the display driving system is configured to implement pixel multiplication by adopting a data sliding window manner:
step 1, according to the period of the pixel clock signal, processing the RGB sub-pixel data information of the first row of pixel points in the video source:
pulling up a read enable of the FIFO memory;
the RGB sub-pixel data information originally stored in the FIFO memory is sent to a register No. 4, and meanwhile, one RGB sub-pixel data information of a first row of pixel points in the video source is stored in the FIFO memory;
the RGB sub-pixel data information originally stored in the No. 4 register is sent to the No. 3 register, and meanwhile, the RGB sub-pixel data information sent by the FIFO memory is stored in the No. 4 register;
the RGB sub-pixel data information originally stored in the No. 3 register is sent to the No. 2 register, and meanwhile, the RGB sub-pixel data information sent by the No. 4 register is stored in the No. 3 register;
The register No. 2 stores RGB sub-pixel data information sent by the register No. 3;
step 2, according to the period of the pixel clock signal, processing the RGB sub-pixel data information of the second row of pixel points in the video source:
the RGB sub-pixel data information originally stored in the No. 8 register is sent to the No. 7 register, and meanwhile, one RGB sub-pixel data information of a second row of pixel points in the video source is stored in the No. 8 register;
the RGB sub-pixel data information originally stored in the No. 7 register is sent to the No. 6 register, and meanwhile, the RGB sub-pixel data information sent by the No. 8 register is stored in the No. 7 register;
storing RGB sub-pixel data information sent by the No. 6 register into the No. 7 register;
step 3, according to the period of the pixel clock signal, processing RGB sub-pixel data information of a kth row of pixel points in the video source, wherein k is a positive integer greater than 2, and k is a positive integer greater than 2;
transmitting RGB sub-pixel data information of a kth line of pixel points in the video source to the FIFO memory and the No. 8 register at the same time respectively;
the RGB sub-pixel data information originally stored in the No. 8 register is sent to the No. 7 register, and meanwhile, one RGB sub-pixel data information of a kth row of pixel points in the video source is stored in the No. 8 register;
The RGB sub-pixel data information originally stored in the No. 7 register is sent to the No. 6 register, and meanwhile, the RGB sub-pixel data information sent by the No. 8 register is stored in the No. 7 register;
the RGB sub-pixel data information originally stored in the No. 6 register is sent to the No. 5 register, and meanwhile, the RGB sub-pixel data information sent by the No. 7 register is stored in the No. 6 register;
storing RGB sub-pixel data information sent by the No. 5 register into the No. 6 register;
at the same time:
the RGB sub-pixel data information originally stored in the FIFO memory is sent to a register No. 4, and meanwhile, one RGB sub-pixel data information of a first row of pixel points in the video source is stored in the FIFO memory;
the RGB sub-pixel data information originally stored in the No. 4 register is sent to the No. 3 register, and meanwhile, the RGB sub-pixel data information sent by the FIFO memory is stored in the No. 4 register;
the RGB sub-pixel data information originally stored in the No. 3 register is sent to the No. 2 register, and meanwhile, the RGB sub-pixel data information sent by the No. 4 register is stored in the No. 3 register;
The RGB sub-pixel data information originally stored in the No. 2 register is sent to the No. 1 register, and meanwhile, the RGB sub-pixel data information sent by the No. 3 register is stored in the No. 2 register;
storing the RGB sub-pixel data information sent by the register No. 1;
step 4, acquiring RGB sub-pixel data information stored in the FIFO memory and 8 data registers by adopting the image source data processing and addressing assignment module; according to the source pixel point of the RGB sub-pixel data information of the pixel unit, carrying out operation processing on the RGB sub-pixel data information, and assigning the RGB sub-pixel data information after the operation processing to the corresponding pixel unit:
when the RGB sub-pixel data information of the pixel points of the second row of the video source is processed:
starting from the second pixel clock period, valid RGB sub-pixel data information is stored in registers No. 8, no. 7, no. 6, no. 5, no. 4 and No. 3; from this point on, according to the source pixel point (or the multiplexing relation of the sub-pixels) of the RGB sub-pixel data information of the pixel unit, when each pixel clock period arrives, the calculation (operation) operation of the RGB sub-pixel data information is performed, and the calculated result is assigned to the corresponding pixel unit.
For example: the sub-pixels at the right end point of the bottom edge of the middle triangle in the pixel unit of the 2 nd row and the 1 st column need the sub-pixel data information of the first primary color in the registers of the 6 th, the 7 th, the 2 nd and the 3 rd; thus, the values of the first primary color subpixel data information in these registers are averaged and the resulting average data is assigned to the subpixels.
Starting from the second row of data of the video source, the calculation and assignment operations will be performed each time data of a new row of video source arrives.
The technical solution provided by the present invention is described in further detail through several specific embodiments, so as to highlight the advantages and benefits of the technical solution provided by the present invention, however, the above specific embodiments are not intended to be limiting, and any reasonable modification and improvement, reasonable combination of embodiments, equivalent substitution, etc. of the present invention based on the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The arrangement structure of the sub-pixels is characterized by comprising a plurality of pixel units; the pixel units are uniformly and circularly arranged in the row-column direction;
Each pixel unit consists of three sub-pixels which are arranged into an isosceles triangle; each sub-pixel displays any one of three primary colors, and three sub-pixels in each pixel unit display different primary colors;
the pixel units are divided into 3 categories according to the difference of the display primary colors of the sub-pixels at the vertexes of the isosceles triangle: a first pixel unit (101), a second pixel unit (102), and a third pixel unit (103);
in the arrangement:
if two pixel units are in the same column and adjacent to each other:
the two pixel units belong to pixel units of different categories, and the apexes of isosceles triangles formed by the two pixel units are oriented to the same direction, and the bottom edges of the isosceles triangles are parallel to each other;
meanwhile, the sub-pixel at the vertex of the isosceles triangle in the ith row of pixel units and the sub-pixel at the right side end point of the bottom edge of the isosceles triangle in the (i+1) th row of pixel units display different primary colors, wherein i is a positive integer;
if two pixel units are in the same row and adjacent to each other:
the two pixel units belong to the same class of pixel units, and the vertexes of isosceles triangles formed by the two pixel units are opposite in orientation and the bottom edges of the isosceles triangles are parallel to each other.
2. The arrangement of sub-pixels according to claim 1, wherein,
in the first pixel unit (101), a sub-pixel positioned at the left end point of the bottom side of the isosceles triangle displays a first primary color, a sub-pixel positioned at the right end point of the bottom side of the isosceles triangle displays a third primary color, and a sub-pixel positioned at the vertex of the isosceles triangle displays a second primary color;
in the second pixel unit (102), the sub-pixel at the left end point of the bottom side of the isosceles triangle displays the second primary color, the sub-pixel at the right end point of the bottom side of the isosceles triangle displays the first primary color, and the sub-pixel at the vertex of the isosceles triangle displays the third primary color;
in the third pixel unit (103), the sub-pixel at the left end point of the bottom side of the isosceles triangle displays the third primary color, the sub-pixel at the right end point of the bottom side of the isosceles triangle displays the second primary color, and the sub-pixel at the vertex of the isosceles triangle displays the first primary color.
3. The subpixel arrangement of claim 2 wherein the first of the three primary colors is a red primary color, the second primary color is a green primary color, and the third primary color is a blue primary color.
4. A subpixel arrangement according to claim 3, wherein the subpixels are rectangular.
5. The arrangement of sub-pixels according to claim 4, wherein the line spacing between any two adjacent sub-pixels in the same column is equal.
6. The arrangement of sub-pixels according to claim 5, wherein the column spacing between sub-pixels of any two adjacent columns is equal.
7. The arrangement of sub-pixels according to claim 6, wherein a row spacing between any two adjacent sub-pixels in the same column is equal to a rectangular side length of the sub-pixels.
8. A virtual pixel structure, wherein the virtual pixel structure employs the subpixel arrangement of any one of claims 1-7;
the virtual pixel structure comprises a plurality of virtual pixel units; the plurality of virtual pixel units are uniformly and circularly arranged in the row-column direction;
each virtual pixel unit consists of four adjacent sub-pixels; the four sub-pixels are arranged into a parallelogram;
the virtual pixel units are divided into 3 types of virtual pixel units: a first type of virtual pixel unit (201), a second type of virtual pixel unit (202), and a third type of virtual pixel unit (203);
Let i, j be positive integers, then:
the four sub-pixels in the first virtual pixel unit (201) are respectively: the pixel unit comprises a sub-pixel at the left end point of the isosceles triangle base of the ith row and jth column of pixel units, a sub-pixel at the vertex of the isosceles triangle of the ith row and jth column of pixel units, a sub-pixel at the left end point of the isosceles triangle base of the (i+1) th row and jth column of pixel units and a sub-pixel at the vertex of the isosceles triangle of the (i+1) th row and jth column of pixel units;
the four sub-pixels in the second virtual pixel unit (202) are respectively: the pixel structure comprises a sub-pixel at the isosceles triangle vertex of an ith row and a jth column of pixel units, a sub-pixel at the right side end point of the isosceles triangle bottom edge of the ith row and the jth column of pixel units, a sub-pixel at the isosceles triangle vertex of an (i+1) th row and a sub-pixel at the right side end point of the isosceles triangle of the (i+1) th row and the jth column of pixel units;
the four sub-pixels in the third virtual pixel unit (203) are respectively: the pixel display device comprises a subpixel at the right side end point of the isosceles triangle base of the ith row and jth column of pixel units, a subpixel at the right side end point of the isosceles triangle base of the ith+1th row and jth column of pixel units, a subpixel at the left side end point of the isosceles triangle base of the ith row and jth+1th column of pixel units and a subpixel at the left side end point of the isosceles triangle base of the ith+1th row and jth column of pixel units.
9. A pixel multiplexing method, characterized in that the pixel multiplexing method is implemented based on the virtual pixel structure of claim 8; the method comprises the following steps:
s1, acquiring a multiplexing relation of sub-pixels in the pixel units in the virtual pixel units, and determining source pixel points of RGB sub-pixel data information of each pixel unit according to the multiplexing relation; the RGB sub-pixel data information includes sub-pixel data information of 3 primary colors:
let i, j be positive integers greater than 1, then:
the source pixel points of RGB sub-pixel data information of the pixel units in the 1 st row and the 1 st column are pixel points in the 1 st row, the 1 st column, the 1 st row, the 2 nd column and the 1 st row and the 3 rd column in the video source respectively;
the source pixel points of RGB sub-pixel data information of the pixel units in the 1 st row and the j th column are pixel points in the 1 st row, the 3 rd (j-1) column, the 1 st row, the 3 rd (j-1) +1 column, the 1 st row, the 3 rd (j-1) +2 column and the 1 st row, the 3 rd (j-1) +3 column in the video source respectively;
the source pixel points of RGB sub-pixel data information of the pixel units in the ith row and the 1 st column are pixel points in the ith-1 row and the 1 st column, the ith-1 row and the 2 nd column, the ith-1 row and the 3 rd column, the ith row and the 1 st column, the ith row and the 2 nd column and the ith row and the 3 rd column in the video source respectively;
The source pixel points of RGB sub-pixel data information of the pixel units in the ith row and the jth column are respectively pixel points in the ith-1 row, the 3 (j-1) column, the 3 (j-1) +1 column, the 3 (j-1) +2 column, the 3 (j-1) +3 column, the 3 (j-1) +1 column, the 3 (j-1) +2 column and the 3 (j-1) +3 column in the ith row in the video source;
s2, processing RGB sub-pixel data information included in each source pixel point in the video source according to the source pixel point of the RGB sub-pixel data information of each pixel unit, and assigning the processed RGB sub-pixel data information to the corresponding pixel unit;
the sub-pixel data information value of any primary color of the sub-pixels of the pixel unit of the 1 st row and the 1 st column is the average value of the sub-pixel data information values of the same primary colors of the pixel points of the 1 st row, the 2 nd column and the 1 st row and the 3 rd column in the video source;
the sub-pixel data information value of any primary color of the sub-pixel of the pixel unit of the 1 st row and the j-th column is the average value of the sub-pixel data information values of the same primary colors of the pixel points of the 1 st row, the 3 rd (j-1) +1 column, the 1 st row, the 3 rd (j-1) +2 column and the 1 st row, the 3 rd (j-1) +3 column in the video source;
The sub-pixel data information value of any primary color of the sub-pixel of the pixel unit of the ith row and the 1 st column is the average value of the sub-pixel data information values of the same primary colors of pixel points in the ith-1 row and the 1 st column, the ith-1 row and the 2 nd column, the ith-1 row and the 3 rd column in the video source;
the sub-pixel data information values of any primary color of the sub-pixels of the pixel unit of the ith row and the jth column are the average values of the sub-pixel data information values of the same primary colors of the pixel points of the ith row and the jth column 3 (j-1), the ith row and the jth column 3 (j-1) +1, the ith row and the jth column 3 (j-1) +3, the ith row and the jth column 3 (j-1) +1, the ith row and the ith column 3 (j-1) +2 and the ith row and the jth column 3 (j-1) +3 in the video source respectively.
10. A display, characterized in that the display applies the pixel multiplexing method of claim 9.
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| CN112331695A (en) * | 2019-12-25 | 2021-02-05 | 广东聚华印刷显示技术有限公司 | Pixel arrangement structure and display panel |
| CN112436029A (en) * | 2020-07-01 | 2021-03-02 | 昆山国显光电有限公司 | Pixel arrangement structure, display panel and display device |
| CN114743465A (en) * | 2022-02-28 | 2022-07-12 | 长春希达电子技术有限公司 | Light-emitting pixel arrangement structure, display panel and electronic equipment |
| CN116133482A (en) * | 2022-11-25 | 2023-05-16 | 上海弘光显示技术有限公司 | Pixel setting method of display device, display device and electronic equipment |
| CN219203164U (en) * | 2022-12-30 | 2023-06-16 | 西安诺瓦星云科技股份有限公司 | LED pixel arrangement structure and LED display screen |
| CN116453455A (en) * | 2023-06-14 | 2023-07-18 | 长春希达电子技术有限公司 | Pixel multiplexing method, data transmission system and display screen control system and method |
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