CN112697276B - LED display module ink color collecting method with uneven ink color and sorting method thereof - Google Patents

LED display module ink color collecting method with uneven ink color and sorting method thereof Download PDF

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Publication number
CN112697276B
CN112697276B CN202011404507.5A CN202011404507A CN112697276B CN 112697276 B CN112697276 B CN 112697276B CN 202011404507 A CN202011404507 A CN 202011404507A CN 112697276 B CN112697276 B CN 112697276B
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led display
matrix
ink color
elements
display module
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CN112697276A (en
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李百松
曹慧
毛新越
汪洋
丁铁夫
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Changchun Cedar Electronics Technology Co Ltd
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Changchun Cedar Electronics Technology Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters

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  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
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Abstract

The invention relates to a method for collecting uneven ink color of an LED display module, which comprises the following steps: setting strip-shaped areas on four sides of the LED display module; controlling the acquisition equipment and the LED display module to move horizontally relatively, aligning a plurality of acquisition points in the strip-shaped area in sequence, and acquiring the ink color values of the acquisition points under the irradiation of n spectrum rays of the light source in sequence at each acquisition point; averaging all collected point ink color values of each collected strip-shaped area to obtain a strip-shaped area ink color value; and averaging the ink color values of the four strip areas to obtain the ink color value of the LED display module. According to the invention, the ink color values of the four-side strip-shaped areas of the collected LED display modules are classified, the edge ink color difference of the adjacent LED display modules is eliminated after the whole screen is installed, and the consistency and uniformity of the ink color of the whole screen are better than the installation effect of classifying the ink color values collected according to the central area or the whole LED display module.

Description

LED display module ink color collecting method with uneven ink color and sorting method thereof
Technical Field
The invention belongs to the technical field of screening, classifying and sorting of ink colors of LED display modules, and relates to an LED display module ink color collecting method with uneven ink colors and a sorting method thereof.
Background
At present, the ink color screening of the LED display module is mainly divided into human eye screening and machine screening. Wherein, the screening and classifying efficiency of human eyes is low, and the classifying is inaccurate. The machine screening relies on a machine vision system or a color brightness meter to collect a local area in the center of the LED display module or the whole module, so that color coordinates or brightness values are obtained, the ink color value of the LED display module is calculated according to a corresponding algorithm, and then the operations such as classification or sequencing are performed according to ink color value data, so that the ink color requirement of human eyes on the LED display module is met. The two acquisition methods can acquire the ink color value rapidly and accurately for the LED display module with uniform ink color.
However, when the LED display module with uneven ink color is collected, the final viewing experience is affected by the problem of the collecting method according to the two collecting methods, whether the ink color value collected through the central area or the ink color value of the whole LED display module is collected for classification, sorting and other operations for meeting the ink color experience of human eyes. Therefore, a new acquisition method is necessary to be invented for the LED display module with uneven ink color.
Disclosure of Invention
The invention aims to provide a method for collecting the ink color of an LED display module, which is uneven in ink color, so that the ink color effect of the whole display unit is improved from a collecting end.
In order to solve the technical problems, the method for collecting the ink color of the LED display module with uneven ink color comprises the following steps: setting strip areas on four sides of the LED display module, wherein the width of each strip area is 5-10 pixels; under the condition that the optical axis of the acquisition equipment is perpendicular to the surface of the LED display module, controlling the acquisition equipment and the LED display module to move horizontally relatively, aligning to a plurality of acquisition points in the strip-shaped area in sequence, and acquiring the ink color values of the acquisition points under the irradiation of n spectrum light rays of the light source in sequence at each acquisition point; averaging all collected point ink color values of each collected strip-shaped area to obtain a strip-shaped area ink color value; and finally, averaging the ink color values of the four strip areas to obtain the ink color value of the LED display module.
The light source is arranged and fixed above the cross sliding table, the collecting equipment is arranged and fixed above the cross sliding table, and the optical axis of the collecting equipment is overlapped with the symmetrical central line of the light source; the LED display module is arranged on the cross sliding table; in the acquisition process, the cross sliding table is controlled to move, so that the acquisition equipment is sequentially aligned to each acquisition point in the strip-shaped area to acquire the ink color values of the acquisition points under the irradiation of n spectrum lights.
The value of n is not strictly limited, and can be flexibly set as required, and is generally 3 or more.
The light source adopts a circular ring-shaped color light source, a square ring-shaped color light source formed by four strip-shaped color light sources or a ring-shaped color light source formed by two semicircular arc-shaped color light sources.
The acquisition equipment is a black-and-white camera; the black-and-white camera sequentially collects ink color values of the collecting areas under the irradiation of n spectrum light rays at each collecting point, and averages the ink color values of the collecting areas under the irradiation of each spectrum light ray to obtain the ink color values of the collecting points.
The acquisition equipment is a brightness meter; the brightness meter sequentially collects and obtains the ink color values of the collected points under the irradiation of n spectrum light rays at each collected point.
According to the invention, the ink color values of the four-side strip-shaped areas of the collected LED display modules are classified, the edge ink color difference of the adjacent LED display modules is eliminated after the whole screen is installed, and the consistency and uniformity of the ink color of the whole screen are better than the installation effect of classifying the ink color values collected according to the central area or the whole LED display module.
According to the collected ink color values of the LED display modules, the display modules are spliced into an LED display unit, and the method for sequencing the LED display modules in the LED display unit is as follows:
the technical scheme is as follows:
for an mxn LED display unit, the ink color values of p=mxn LED display modules are put into a matrix a of 1×p in order from small to large according to the bubbling algorithm, and then there are: a= [ a ] 1 ,a 2 ,…a p ]The method comprises the steps of carrying out a first treatment on the surface of the Wherein m is the number of rows of the LED display unit, and n is the number of columns of the LED display unit;
let matrix B be an m×n empty matrix, then there are:
dividing matrix B into m+n-1 one-dimensional matrices C (i), C (i) = [0 (j, k) ], wherein i=1, 2, … m+n-1, j=1, 2, …, m; k=1, 2, …, n; j+k=i+1, and the elements in C (i) are arranged in the order of increasing line numbers, then there are:
C(1)＝[0(1,1)]
C(2)＝[0(1,2),0(2,1)]
C(3)＝[0(1,3),0(2,2),0(3,1)]
C(4)＝[0(1,4),0(2,3),0(3,2),0(4,1)]
C(m+n-1)＝[0(m,n)]
the elements in all the one-dimensional matrixes C (i) are put into a new matrix D from the small to the large according to the order of i, and then the following elements are included:
D＝[0(1,1),0(1,2),0(2,1),0(1,3),0(2,2),0(3,1),......0(j,k)......0(m,n)]
element a in matrix A 1 ,a 2 ,…a p In one-to-one correspondence with elements 0 (1, 1), 0 (1, 2), 0 (2, 1), 0 (1, 3), 0 (2, 2), 0 (3, 1),. The.0 (j, k.) 0 (m, n) in matrix D, the corresponding elements in D are replaced with elements in matrix a and filled into matrix B, e.g., a 1 Corresponding to 0 (1, 1), then use a 1 Filling the color value into a matrix B instead of 0 (1, 1) to obtain an ink color value ordering matrix B' of the p LED display modules;
and arranging the corresponding LED display modules into the LED display units according to the ink color value sequence in the matrix B'.
The second technical scheme is as follows:
for an m×n LED display unit, the ink color values of p=m×n LED display modules are put into a matrix a of 1×p in order from large to small according to the bubbling algorithm, and then there are: a= [ a ] 1 ,a 2 ,...a p The method comprises the steps of carrying out a first treatment on the surface of the Wherein m is the number of rows of the LED display unit, and n is the number of columns of the LED display unit;
let matrix B be an m×n empty matrix, then there are:
dividing matrix B into m+n-1 one-dimensional matrices C (i), C (i) = [0 (j, k) ], wherein i=1, 2, … m+n-1, j=1, 2, …, m; k=1, 2, …, n; j+k=i+1, and the elements in C (i) are arranged in the order of increasing line numbers, then there are:
C(1)＝[0(1,1)]
C(2)＝[0(1,2),0(2,1)]
C(3)＝[0(1,3),0(2,2),0(3,1)]
C(4)＝[0(1,4),0(2,3),0(3,2),0(4,1)]
C(m+n-1)＝[0(m,n)]
the elements in all the one-dimensional matrixes C (i) are put into a new matrix D from the small to the large according to the order of i, and then the following elements are included:
D＝[0(1,1),0(1,2),0(2,1),0(1,3),0(2,2),0(3,1),......0(j,k)......0(m,n)]
element a in matrix A 1 ,a 2 ,...a p In one-to-one correspondence with elements 0 (1, 1), 0 (1, 2), 0 (2, 1), 0 (1, 3), 0 (2, 2), 0 (3, 1),. The.0 (j, k.) 0 (m, n) in matrix D, the corresponding elements in D are replaced with elements in matrix a and filled into matrix B, e.g., a 1 Corresponding to 0 (1, 1), then use a 1 Filling the color value into a matrix B instead of 0 (1, 1) to obtain an ink color value ordering matrix B' of the p LED display modules;
and arranging the corresponding LED display modules into the LED display units according to the ink color value sequence in the matrix B'.
The technical scheme is as follows:
for an mxn LED display unit, the ink color values of p=mxn LED display modules are put into a matrix a of 1×p in order from small to large according to the bubbling algorithm, and then there are: a= [ a ] 1 ,a 2 ,...a p ]The method comprises the steps of carrying out a first treatment on the surface of the Wherein m is the number of rows of the LED display unit, and n is the number of columns of the LED display unit;
let matrix B be an m×n empty matrix, then there are:
dividing matrix B into m+n-1 one-dimensional matrices C (i), C (i) = [0 (j, k) ], wherein i=1, 2, … m+n-1, j=1, 2, …, m; k=1, 2, …, n; j+k=i+1, and the elements in C (i) are arranged in descending order of the line numbers, there are:
C(m+n-1)＝[0(m,n)]
C(4)＝[0(4,1),0(3,2),0(2,3),0(1,4)]
C(3)＝[0(3,1),0(2,2),0(1,3)]
C(2)＝[0(2,1),0(1,2)]
C(1)＝[0(1,1)]
the elements in all the one-dimensional matrixes C (i) are put into a new matrix D from the small to the large according to the order of i, and then the following elements are included:
D＝[0(m,n).....0(j,k)......,0(3,1),0(2,2),0(1,3),0(2,1),0(1,2),0(1,1)]
element a in matrix A 1 ,a 2 ,…a p The method comprises the steps of (1) performing one-to-one correspondence with elements 0 (m, n) in a matrix D, wherein the elements are 0 (j, k), 0 (3, 1), 0 (2, 2), 0 (1, 3), 0 (2, 1), 0 (1, 2) and 0 (1, 1), replacing the corresponding elements in the matrix D with the elements in the matrix A, and filling the elements into a matrix B to obtain an ink value ordering matrix B of p LED display modules;
and arranging the corresponding LED display modules into the LED display units according to the ink color value sequence in the matrix B'.
The technical scheme is as follows:
for an m×n LED display unit, the ink color values of p=m×n LED display modules are put into a matrix a of 1×p in order from large to small according to the bubbling algorithm, and then there are: a= [ a ] 1 ,a 2 ,…a p ]The method comprises the steps of carrying out a first treatment on the surface of the Wherein m is the number of rows of the LED display unit, and n isThe number of columns of LED display units;
let matrix B be an m×n empty matrix, then there are:
dividing matrix B into m+n-1 one-dimensional matrices C (i), C (i) = [0 (j, k) ], wherein i=1, 2, … m+n-1, j=1, 2, …, m; k=1, 2, …, n; j+k=i+1, and the elements in C (i) are arranged in descending order of the line numbers, there are:
C(m+n-1)＝[0(m,n)]
C(4)＝[0(4,1),0(3,2),0(2,3),0(1,4)]
C(3)＝[0(3,1),0(2,2),0(1,3)]
C(2)＝[0(2,1),0(1,2)]
C(1)＝[0(1,1)]
the elements in all the one-dimensional matrixes C (i) are put into a new matrix D from the small to the large according to the order of i, and then the following elements are included:
D＝[0(m,n).....0(j,k)......,0(3,1),0(2,2),0(1,3),0(2,1),0(1,2),0(1,1)]
element a in matrix A 1 ,a 2 ,…a p The method comprises the steps of (1) performing one-to-one correspondence with elements 0 (m, n) in a matrix D, wherein the elements are 0 (j, k), 0 (3, 1), 0 (2, 2), 0 (1, 3), 0 (2, 1), 0 (1, 2) and 0 (1, 1), replacing the corresponding elements in the matrix D with the elements in the matrix A, and filling the elements into a matrix B to obtain an ink value ordering matrix B of p LED display modules;
and arranging the corresponding LED display modules into the LED display units according to the ink color value sequence in the matrix B'.
According to the invention, all the ink color values of the LED display modules are corresponding to the corresponding serial numbers of the LED modules, the ink color values of the LED modules are sequenced into a one-dimensional matrix in a descending or ascending order from small to large, and a one-dimensional matrix of a group of serial numbers of the LED modules is correspondingly obtained; when all the modules are assembled into one display unit, the LED module serial number one-dimensional matrix is converted into a two-dimensional matrix according to the method, the size of the two-dimensional matrix represents the size of the display unit, each position data in the two-dimensional matrix corresponds to each LED module in the display unit one by one, the LED modules are correspondingly arranged according to the serial number positions in the matrix, and the LED display unit meeting the requirements can be obtained.
Drawings
The invention is described in further detail below with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of an ink color collection method of the present invention.
Fig. 2 is a schematic diagram of the cross slide table and the LED display module.
Fig. 3a, 3b and 3c are respectively a circular ring-shaped color light source, a square ring-shaped color light source composed of four bar-shaped color light sources, and a ring-shaped color light source composed of two semicircular arc-shaped color light sources.
Fig. 4 is a schematic view of the bar-shaped areas of four sides of the LED display module.
Fig. 5 is an ink schematic diagram of the LED display module after ink sequencing.
In the figure: 1. a collection device; 2. a light source; an LED display module; 4. a cross sliding table; 5. a strip-shaped region.
Detailed Description
Example 1
As shown in FIG. 1, the method for collecting the ink color of the LED display module with uneven ink color specifically comprises the following steps:
step one: the light source is arranged and fixed above the cross sliding table; as shown in fig. 3a, 3b and 3c, the light source adopts 8-spectrum circular ring-shaped color light sources, square ring-shaped color light sources formed by four strip-shaped color light sources or ring-shaped color light sources formed by two semicircular arc-shaped color light sources, and the like; the black-and-white camera is installed and fixed above the cross sliding table, and the optical axis of the black-and-white camera is overlapped with the symmetrical central line of the light source; placing the LED display module on the cross sliding table; and the optical axis of the black-and-white camera is ensured to be vertical to the surface of the LED display module.
Step two: as shown in fig. 4, strip-shaped areas of four sides of the LED display module are set, and each strip-shaped area has a width t of 5 pixels; controlling the cross sliding table to move so that the black-and-white camera is sequentially aligned with 8 acquisition points in the strip-shaped area, sequentially acquiring ink color values of the acquisition area under the irradiation of 8 spectrum light rays at each acquisition point (the acquisition area represents a local area of the black-and-white camera in an LED display module corresponding to the field area of each acquisition point), and averaging the ink color values of the acquisition area under the irradiation of each spectrum light ray to obtain an ink color value of the acquisition point; then a total of 64 acquisition spot ink color values are obtained for each stripe region.
Step three: averaging 64 acquisition point ink color values of each strip area to obtain a strip area ink color value; and finally, averaging the ink color values of the four strip areas to obtain the ink color value of the LED display module.
Example 2
As shown in FIG. 1, the method for collecting the ink color of the LED display module with uneven ink color specifically comprises the following steps:
step one: the light source is arranged and fixed above the cross sliding table, as shown in fig. 3a, 3b and 3c, the light source adopts 8-spectrum annular color light sources, square annular color light sources formed by four strip-shaped color light sources or annular color light sources formed by two semicircular arc color light sources and the like; the brightness meter is arranged and fixed above the cross sliding table, and the optical axis of the brightness meter is overlapped with the symmetrical central line of the light source; placing the LED display module on the cross sliding table; and the optical axis of the brightness meter is vertical to the surface of the LED display module.
Step two: as shown in fig. 4, strip-shaped areas of four sides of the LED display module are set, and each strip-shaped area has a width t of (5) pixels; the distance between the outer side of the strip-shaped area and the edge of the LED display module is (0) pixel width; controlling the cross sliding table to move, enabling the brightness meter to be sequentially aligned with 10 acquisition points in the strip-shaped area, and sequentially acquiring 8 acquisition point ink color values under the irradiation of spectrum light rays at each acquisition point; a total of 80 acquisition spot ink color values are obtained for each stripe region.
Step three: averaging the obtained 80 acquisition point ink color values of each strip area to obtain a strip area ink color value; and finally, averaging the ink color values of the four strip areas to obtain the ink color value of the LED display module.
The method for collecting the ink color of the LED display module is not limited to the embodiment, and the method for fixing the LED display module and mounting the light source and the black-and-white camera (or the brightness meter) on the cross sliding table can be adopted to collect the ink color of the strip-shaped areas on the four sides of the LED display module.
Example 3
The method for splicing the display modules into the LED display units according to the ink color values of the LED display modules collected in the embodiments 1 and 2 is as follows:
step one, for m×n LED display units, putting the ink color values of p=m×n LED display modules into a matrix a of 1×p in order from small to large according to an bubbling algorithm, and then: a= [ a ] 1 ,a 2 ,…a p ]The method comprises the steps of carrying out a first treatment on the surface of the Wherein m is the number of rows of the LED display unit, and n is the number of columns of the LED display unit;
step two, let matrix B be an m×n empty matrix, then there are:
dividing the matrix B into m+n-1 one-dimensional matrices C (i), C (i) = [0 (j, k) ], wherein i=1, 2, … m+n-1, j=1, 2, …, m; k=1, 2, …, n; j+k=i+1, that is, the sum of the row number and the column number of each element in C (i) corresponding to the matrix B is equal, and each element in C (i) is arranged in the order of increasing row number, there is:
C(1)＝[0(1,1)]
C(2)＝[0(1,2),0(2,1)]
C(3)＝[0(1,3),0(2,2),0(3,1)]
C(4)＝[0(1,4),0(2,3),0(3,2),0(4,1)]
C(m+n-1)＝[0(m,n)]
step four, putting the elements in all the one-dimensional matrixes C (i) into a new matrix D from the small to the large according to the order of i, wherein the steps are as follows:
D＝[0(1,1),0(1,2),0(2,1),0(1,3),0(2,2),0(3,1),......0(j,k)......0(m,n)]
step five, the element a in the matrix A is processed 1 ,a 2 ,...a p In one-to-one correspondence with elements 0 (1, 1), 0 (1, 2), 0 (2, 1), 0 (1, 3), 0 (2, 2), 0 (3, 1),. The.0 (j, k.) 0 (m, n) in matrix D, the corresponding elements in D are replaced with elements in matrix a and filled into matrix B, e.g., a 1 Corresponding to 0 (1, 1), then use a 1 Filling the color value into a matrix B instead of 0 (1, 1) to obtain an ink color value ordering matrix B' of the p LED display modules;
and arranging the corresponding LED display modules into the LED display units according to the ink color value sequence in the matrix B'. In the obtained LED display unit, all the LED display modules are arranged in the order of uniformly increasing the color values of the ink from the upper left corner to the right, longitudinally downwards and obliquely downwards.
Example 4
This embodiment differs from embodiment 3 in that: in the first step, the ink color values of p LED display modules are put into a matrix A of 1×p according to the order from big to small, and all the LED display modules are arranged according to the order that the ink color values uniformly decrease from the upper left corner position to right, longitudinally downwards and obliquely downwards.
Example 5
The method for splicing the display modules into the LED display units according to the ink color values of the LED display modules collected in the embodiments 1 and 2 is as follows:
step one, for m×n LED display units, putting the ink color values of p LED display modules into a matrix a of 1×p in order from small to large according to an bubbling algorithm, and then: a= [ a ] 1 ,a 2 ,...a p ；
Step two, let matrix B be an m×n empty matrix, then there are:
dividing the matrix B into m+n-1 one-dimensional matrices C (i), C (i) = [0 (j, k) ], wherein i=1, 2, … m+n-1, j=1, 2, …, m; k=1, 2, …, n; j+k=i+1, that is, the sum of the row number and the column number of each element in C (i) corresponding to the matrix B is equal, and the elements in C (i) are arranged in descending order of the row number, there are:
C(m+n-1)＝[0(m,n)]
C(4)＝[0(4,1),0(3,2),0(2,3),0(1,4)]
C(3)＝[0(3,1),0(2,2),0(1,3)]
C(2)＝[0(2,1),0(1,2)]
C(1)＝[0(1,1)]
step four, putting the elements in all the one-dimensional matrixes C (i) into a new matrix D from the small to the large according to the order of i, wherein the steps are as follows:
D＝[0(m,n).....0(j,k)......,0(3,1),0(2,2),0(1,3),0(2,1),0(1,2),0(1,1)]
step five, the element a in the matrix A is processed 1 ,a 2 ,...a p With one-to-one correspondence of elements 0 (m, n) in matrix D, 0 (j, k), 0 (3, 1), 0 (2, 2), 0 (1, 3), 0 (2, 1), 0 (1, 2), 0 (1, 1), the corresponding elements in D are replaced with elements in matrix a and filled into matrix B, e.g., a 1 Corresponding to 0 (m, n), then use a 1 Filling 0 (m, n) into the matrix B instead of the 0 (m, n) to obtain an ink value ordering matrix B' of the p LED display modules;
and arranging the corresponding LED display modules into the LED display units according to the ink color value sequence in the matrix B'. In the obtained LED display unit, all the LED display modules are arranged in the order of uniformly decreasing ink color values from the left upper corner position to the right, longitudinally downwards and obliquely downwards.
Example 6
This embodiment differs from embodiment 5 in that: in the first step, the ink color values of p LED display modules are put into a matrix A of 1×p according to the order from big to small, and all the LED display modules are arranged according to the order that the ink color values are uniformly increased from the upper left corner to right, longitudinally downwards and obliquely downwards.

Claims (9)

1. The method for collecting the ink color of the LED display module with uneven ink color is characterized by comprising the following steps of: setting strip areas on four sides of the LED display module, wherein the width of each strip area is 5-10 pixels; under the condition that the optical axis of the acquisition equipment is perpendicular to the surface of the LED display module, controlling the acquisition equipment and the LED display module to move horizontally relatively, aligning to a plurality of acquisition points in the strip-shaped area in sequence, and acquiring the ink color values of the acquisition points under the irradiation of n spectrum light rays of the light source in sequence at each acquisition point; averaging all collected point ink color values of each collected strip-shaped area to obtain a strip-shaped area ink color value; and finally, averaging the ink color values of the four strip areas to obtain the ink color value of the LED display module.
2. The method for collecting uneven ink color of an LED display module according to claim 1, wherein the light source is fixed above the cross sliding table, the collecting device is fixed above the cross sliding table, and the optical axis of the collecting device coincides with the symmetrical center line of the light source; the LED display module is arranged on the cross sliding table; in the acquisition process, the cross sliding table is controlled to move, so that the acquisition equipment is sequentially aligned to each acquisition point in the strip-shaped area to acquire the ink color values of the acquisition points under the irradiation of n spectrum lights.
3. The method for collecting uneven ink color of an LED display module according to claim 1, wherein the light source is a circular color light source, a square circular color light source composed of four bar-shaped color light sources, or a circular color light source composed of two semicircular color light sources.
4. The method for collecting uneven ink color of an LED display module according to claim 1, wherein the collecting device is a black-and-white camera; the black-and-white camera sequentially collects ink color values of the collecting areas under the irradiation of n spectrum light rays at each collecting point, and averages the ink color values of the collecting areas under the irradiation of each spectrum light ray to obtain the ink color values of the collecting points.
5. The method for collecting the ink color of the LED display module with uneven ink color according to claim 1, wherein the collecting device is a brightness meter; the brightness meter sequentially collects and obtains the ink color values of the collected points under the irradiation of n spectrum light rays at each collected point.
6. A method for sorting LED display modules in an LED display unit according to the LED display module ink color values collected by the LED display module ink color collection method having uneven ink color as set forth in claim 1, characterized in that the sorting method comprises the steps of:
for an mxn LED display unit, the ink color values of p=mxn LED display modules are put into a matrix a of 1×p in order from small to large according to the bubbling algorithm, and then there are: a= [ a ] 1 ,a 2 ,...a p The method comprises the steps of carrying out a first treatment on the surface of the Wherein m is the number of rows of the LED display unit, and n is the number of columns of the LED display unit;
let matrix B be an m×n empty matrix, then there are:
dividing matrix B into m+n-1 one-dimensional matrices C (i), C (i) = [0 (j, k) ], wherein i=1, 2, … m+n-1, j=1, 2, …, m; k=1, 2, …, n; j+k=i+1, and the elements in C (i) are arranged in the order of increasing line numbers, then there are:
C(1)＝[0(1,1)]
C(2)＝[0(1,2),0(2,1)]
C(3)＝[0(1,3),0(2,2),0(3,1)]
C(4)＝[0(1,4),0(2,3),0(3,2),0(4,1)]
C(m+n-1)＝[0(m,n)]
the elements in all the one-dimensional matrixes C (i) are put into a new matrix D from the small to the large according to the order of i, and then the following elements are included:
D＝[0(1,1),0(1,2),0(2,1),0(1,3),0(2,2),0(3,1),......0(j,k)......0(m,n)]
element a in matrix A 1 ,a 2 ,...a p In one-to-one correspondence with elements 0 (1, 1), 0 (1, 2), 0 (2, 1), 0 (1, 3), 0 (2, 2), 0 (3, 1),. The.0 (j, k.) 0 (m, n) in matrix D, the corresponding elements in D are replaced with elements in matrix a and filled into matrix B, e.g., a 1 Corresponding to 0 (1, 1), then use a 1 Filling the color value into a matrix B instead of 0 (1, 1) to obtain an ink color value ordering matrix B' of the p LED display modules;
and arranging the corresponding LED display modules into the LED display units according to the ink color value sequence in the matrix B'.
7. A method for sorting LED display modules in an LED display unit according to the LED display module ink color values collected by the LED display module ink color collection method having uneven ink color as set forth in claim 1, characterized in that the sorting method comprises the steps of:
for an m×n LED display unit, the ink color values of p=m×n LED display modules are put into a matrix a of 1×p in order from large to small according to the bubbling algorithm, and then there are: a= [ a ] 1 ,a 2 ,...a p The method comprises the steps of carrying out a first treatment on the surface of the Wherein m is the number of rows of the LED display unit, and n is the number of columns of the LED display unit;
let matrix B be an m×n empty matrix, then there are:
dividing matrix B into m+n-1 one-dimensional matrices C (i), C (i) = [0 (j, k) ], wherein i=1, 2, … m+n-1, j=1, 2, …, m; k=1, 2, …, n; j+k=i+1, and the elements in C (i) are arranged in the order of increasing line numbers, then there are:
C(1)＝[0(1,1)]
C(2)＝[0(1,2),0(2,1)]
C(3)＝[0(1,3),0(2,2),0(3,1)]
C(4)＝[0(1,4),0(2,3),0(3,2),0(4,1)]
C(m+n-1)＝[0(m,n)]
the elements in all the one-dimensional matrixes C (i) are put into a new matrix D from the small to the large according to the order of i, and then the following elements are included:
D＝[0(1,1),0(1,2),0(2,1),0(1,3),0(2,2),0(3,1),......0(j,k)......0(m,n)]
element a in matrix A 1 ,a 2 ,...a p In one-to-one correspondence with elements 0 (1, 1), 0 (1, 2), 0 (2, 1), 0 (1, 3), 0 (2, 2), 0 (3, 1),. The.0 (j, k.) 0 (m, n) in matrix D, the corresponding elements in D are replaced with elements in matrix a and filled into matrix B, e.g., a 1 Corresponding to 0 (1, 1), then use a 1 Filling the color value into a matrix B instead of 0 (1, 1) to obtain an ink color value ordering matrix B' of the p LED display modules;
and arranging the corresponding LED display modules into the LED display units according to the ink color value sequence in the matrix B'.
8. A method for sorting LED display modules in an LED display unit according to the LED display module ink color values collected by the LED display module ink color collection method having uneven ink color as set forth in claim 1, characterized in that the sorting method comprises the steps of:
for an mxn LED display unit, the ink color values of p=mxn LED display modules are put into a matrix a of 1×p in order from small to large according to the bubbling algorithm, and then there are: a= [ a ] 1 ,a 2 ,...a p The method comprises the steps of carrying out a first treatment on the surface of the Wherein m is the number of rows of the LED display unit, and n is the number of columns of the LED display unit;
let matrix B be an m×n empty matrix, then there are:
dividing matrix B into m+n-1 one-dimensional matrices C (i), C (i) = [0 (j, k) ], wherein i=1, 2, … m+n-1, j=1, 2, …, m; k=1, 2, …, n; j+k=i+1, and the elements in C (i) are arranged in descending order of the line numbers, there are:
C(m+n-1)＝[0(m,n)]
C(4)＝[0(4,1),0(3,2),0(2,3),0(1,4)]
C(3)＝[0(3,1),0(2,2),0(1,3)]
C(2)＝[0(2,1),0(1,2)]
C(1)＝[0(1,1)]
the elements in all the one-dimensional matrixes C (i) are put into a new matrix D from the small to the large according to the order of i, and then the following elements are included:
D＝[0(m,n).....0(j,k)......,0(3,1),0(2,2),0(1,3),0(2,1),0(1,2),0(1,1)]
element a in matrix A 1 ,a 2 ,...a p The method comprises the steps of (1) performing one-to-one correspondence with elements 0 (m, n) in a matrix D, wherein the elements are 0 (j, k), 0 (3, 1), 0 (2, 2), 0 (1, 3), 0 (2, 1), 0 (1, 2) and 0 (1, 1), replacing the corresponding elements in the matrix D with the elements in the matrix A, and filling the elements into a matrix B to obtain an ink value ordering matrix B of p LED display modules;
and arranging the corresponding LED display modules into the LED display units according to the ink color value sequence in the matrix B'.
9. A method for sorting LED display modules in an LED display unit according to the LED display module ink color values collected by the LED display module ink color collection method having uneven ink color as set forth in claim 1, characterized in that the sorting method comprises the steps of:
for an m×n LED display unit, the ink color values of p=m×n LED display modules are put into a matrix a of 1×p in order from large to small according to the bubbling algorithm, and then there are: a= [ a ] 1 ,a 2 ,...a p The method comprises the steps of carrying out a first treatment on the surface of the Wherein m is the number of rows of the LED display unit, and n is the number of columns of the LED display unit;
let matrix B be an m×n empty matrix, then there are:
dividing matrix B into m+n-1 one-dimensional matrices C (i), C (i) = [0 (j, k) ], wherein i=1, 2, … m+n-1, j=1, 2, …, m; k=1, 2, …, n; j+k=i+1, and the elements in C (i) are arranged in descending order of the line numbers, there are:
C(m+n-1)＝[0(m,n)]
C(4)＝[0(4,1),0(3,2),0(2,3),0(1,4)]
C(3)＝[0(3,1),0(2,2),0(1,3)]
C(2)＝[0(2,1),0(1,2)]
C(1)＝[0(1,1)]
the elements in all the one-dimensional matrixes C (i) are put into a new matrix D from the small to the large according to the order of i, and then the following elements are included:
D＝[0(m,n).....0(j,k)......,0(3,1),0(2,2),0(1,3),0(2,1),0(1,2),0(1,1)]
element a in matrix A 1 ,a 2 ,…a p The method comprises the steps of (1) performing one-to-one correspondence with elements 0 (m, n) in a matrix D, wherein the elements are 0 (j, k), 0 (3, 1), 0 (2, 2), 0 (1, 3), 0 (2, 1), 0 (1, 2) and 0 (1, 1), replacing the corresponding elements in the matrix D with the elements in the matrix A, and filling the elements into a matrix B to obtain an ink value ordering matrix B of p LED display modules;
and arranging the corresponding LED display modules into the LED display units according to the ink color value sequence in the matrix B'.
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