CN108057644B - A kind of LED light-splitting method - Google Patents
A kind of LED light-splitting method Download PDFInfo
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- CN108057644B CN108057644B CN201711458568.8A CN201711458568A CN108057644B CN 108057644 B CN108057644 B CN 108057644B CN 201711458568 A CN201711458568 A CN 201711458568A CN 108057644 B CN108057644 B CN 108057644B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
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Abstract
A kind of LED light-splitting method, the following steps are included: (1) selects the block being divided on light splitting target figure, block surrounds quadrangle, (2) quadrangle includes four diagonal, two of them are diagonally long diagonal, another two diagonally to be short diagonal, and the coordinate for constituting four vertex of quadrangle is respectively A, D, C, D；Select two target spot E and F respectively in the long diagonal region of quadrangle two, (3) are by coordinate points CEDF connection shape standard quadrilateral；(4) it by the coordinate input light splitting machine on corresponding four vertex of standard quadrilateral, meets the requirements if the corresponding target spot of LED is fallen in standard quadrilateral.The present invention achievees the purpose that the same good no color differnece of block lamp bead colour consistency, saves subsequent cumbersome operation, improve production efficiency while meeting customer requirement by becoming light-splitting method.
Description
Technical field
The present invention relates to LED to be divided field, especially a kind of LED light-splitting method.
Background technique
It in existing light splitting machine, is divided according to the target figure of Energy Star, the target figure block of the Energy Star is in irregular
Quadrangle form, the curve and two thermoisopleths which is parallel to black body locus by two surround, surrounded
Quadrangle includes four diagonal, wherein it is diagonal compared with two corresponding to long-diagonal to be long diagonal, separately compared with corresponding to short diagonal
Two be diagonally short diagonal.Due in two long diagonal zones LED color temperature value and target color temperature value difference it is larger, the block
The LED colour temperature consistency sorted out is poor, needs to move block diagram or cuts block and is divided repeatedly and colorimetric confirmation, and practical operation is numerous
It is trivial, and lamp bead has the phenomenon that color difference often.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of LED light-splitting method, the LED colour temperature consistency that sorts out
Preferably, subsequent cumbersome operation is saved, improves production efficiency while meeting customer requirement.
In order to solve the above technical problems, the technical scheme is that a kind of LED light-splitting method, comprising the following steps:
(1) block being divided is selected on light splitting target figure, the block is parallel to black body locus by two
Curve and two thermoisopleths surround, and the block surrounds quadrangle,
(2) quadrangle includes four diagonal, two of them be diagonally it is long diagonal, another two be diagonally it is short diagonal, constitute
The coordinate on four vertex of quadrangle is respectively A(x1, y1), B(x2, y2), C(x3, y3), D(x4, y4), wherein coordinate A(x1,
Y1) it is first long diagonal vertex, coordinate B(x2, y2) be second long diagonal vertex, coordinate C(x3, y3) it is first
Short diagonal vertex, coordinate D(x4, y4) it is second short diagonal vertex；It is selected respectively in the long diagonal region of quadrangle two
Two target spot E and F are selected, the coordinate of two target spots is E(x5, y5 respectively) and F(x6, y6), the target spot E, which is selected from, meets the first default face
Block in color value error range, target spot F are selected from the block met in the second pre-set color value error range；
(3) coordinate points CEDF is connected into the quadrangle to be formed as judgment criteria；
(4) coordinate as corresponding four vertex of the quadrangle of judgment criteria is inputted in light splitting machine, if LED is corresponding
Target spot, which is fallen in the quadrangle as judgment criteria, then to meet the requirements.
The present invention delimit the shapes and sizes of light splitting block quadrangle again, will the color in the long diagonal zones of quadrangle originally
The biggish lamp bead of difference goes to be discharged, to change light-splitting method, achievees the purpose that the same good no color differnece of block lamp bead colour consistency, saves
Subsequent cumbersome operation is gone, improves production efficiency while meeting customer requirement.
As an improvement, in long diagonal region, by dividing several blocks and by each block compared with preset value, target spot
E and F is selected from the block met in preset value error range.
As an improvement, coordinate A, B connect to form diagonal line, the diagonal line AB target spot passed through is tested, target spot E and F
Selected from the block met in preset value error range.
As an improvement, the midpoint of the side AC of the block is G, the midpoint of side AD is H, and the midpoint of side BC is I, in the BD of side
Point is that the intersection point of J, straight line GJ and straight line IH are O, and quadrangle AHOG surrounds first long diagonal region, and quadrangle BJOI is surrounded
Second long diagonal region.
As an improvement, the target spot E is by moving acquisition along the thermoisopleth for the quadrangle for surrounding block for vertex A；It is described
Target spot F is by moving acquisition along the thermoisopleth for the quadrangle for surrounding block for vertex B.
As an improvement, surround the block of quadrangle while CE and while DF it is parallel with X-axis.
For solve the problems, such as above-mentioned technology its, the present invention is another solution is that a kind of LED light-splitting method, including following step
It is rapid:
(1) block being divided is selected on light splitting target figure, the block is parallel to black body locus by two
Curve and two thermoisopleths surround, and the block surrounds quadrangle,
(2) quadrangle includes four diagonal, two of them be diagonally it is long diagonal, another two be diagonally it is short diagonal, constitute
The coordinate on four vertex of quadrangle is respectively A(x1, y1), B(x2, y2), C(x3, y3), D(x4, y4), wherein coordinate A(x1,
Y1) it is first long diagonal vertex, coordinate B(x2, y2) be second long diagonal vertex, coordinate C(x3, y3) it is first
Short diagonal vertex, coordinate D(x4, y4) it is second short diagonal vertex；It is selected respectively in the long diagonal region of quadrangle two
Two target spot E and F are selected, the coordinate of two target spots is E(x5, y5 respectively) and F(x6, y6), the target spot E is to meet the first pre-set color
The block being worth in error range, target spot F are the block met in the second pre-set color value error range；
(3) make the straight line EC ' parallel with X-axis, straight line AD passes through target spot E, and the extended line of straight line BC passes through C '；Work and X-axis
Parallel straight line FD ', straight line BC pass through target spot F, and the extended line of straight line AD passes through D ', and C ' ED ' F surrounds four as judgment criteria
Side shape；
(4) coordinate as corresponding four vertex of the quadrangle of judgment criteria is inputted in light splitting machine, if LED is corresponding
Target spot, which is fallen in the quadrangle as judgment criteria, then to meet the requirements.
The beneficial effect of the invention compared with the existing technology is:
The present invention delimit the shapes and sizes of light splitting block quadrangle again, will the color in the long diagonal zones of quadrangle originally
The biggish lamp bead of difference goes to be discharged, to change light-splitting method, achievees the purpose that the same good no color differnece of block lamp bead colour consistency, saves
Subsequent cumbersome operation is gone, improves production efficiency while meeting customer requirement.
Detailed description of the invention
Fig. 1 is the light splitting block diagram for being divided target figure and showing.
The block that Fig. 2 is divided for the present invention.
Fig. 3 is that 1 light splitting region of embodiment adjusts schematic diagram I.
Fig. 4 is that 1 light splitting region of embodiment adjusts schematic diagram II.
Fig. 5 is that 2 light splitting region of embodiment adjusts schematic diagram I.
Fig. 6 is that 3 light splitting region of embodiment adjusts schematic diagram II.
Specific embodiment
The invention is further explained in the following combination with the attached drawings of the specification.
Embodiment 1
A kind of LED light-splitting method, comprising the following steps:
(1) as shown in Figure 1, 2, the block being divided is selected on light splitting target figure, the block is parallel by two
It is surrounded in the curve of black body locus and two thermoisopleths, the block surrounds quadrangle；Quasi-, the light splitting according to the asterisk of american energy
Target figure block is in irregular quadrilateral；
(2) as shown in Figure 3,4, the quadrangle includes four diagonal, and two of them are diagonally that length is diagonal, and another two are diagonally
Short diagonal, the coordinate for constituting four vertex of quadrangle is respectively A(x1, y1), B(x2, y2), C(x3, y3), D(x4, y4),
Middle coordinate A(x1, y1) be first long diagonal vertex, coordinate B(x2, y2) be second long diagonal vertex, coordinate C(x3,
Y3) it is first short diagonal vertex, coordinate D(x4, y4) it is second short diagonal vertex；Vertex A is located at the right side of quadrangle
Upper angle, vertex B are located at the lower left corner of quadrangle, and vertex C is located at the upper left corner of quadrangle, and vertex D is located at the lower right corner of quadrangle；
Two target spot E and F are selected respectively in the long diagonal region of quadrangle two, and the coordinate of two target spots is E(x5, y5 respectively) and F(x6,
Y6), the target spot E is selected from the block met in the first pre-set color value error range, and target spot F, which is selected from, meets the second pre-set color
The block being worth in error range；
(3) coordinate points CEDF is connected into the quadrangle to be formed as judgment criteria, the quadrangle institute as judgment criteria
The variation of the region area and shape that surround, to limit light splitting condition；
(4) coordinate on corresponding four vertex of standard quadrilateral is inputted in light splitting machine, if the corresponding target spot of LED falls in mark
It then meets the requirements in quasi- quadrangle, the LED in standard quadrilateral thinks that colour temperature is consistent, to sort to it.
The concrete mode of determining target spot E and F include: in the present embodiment
As shown in figure 3, in the long diagonal region (a), by dividing several blocks and by each block compared with preset value
It selects with the immediate block of preset value as target spot E and F, specifically, the color and default face on each block can be passed through
Color carries out similarity-rough set, is determined as and the immediate block of preset value in default similarity dimensions；It can also be by each
The chromaticity coordinates value of block and the chromaticity coordinates value of color of object compare, and are determined as immediate area if in default range
Block.
As shown in figure 4, (b) coordinate A, B connects to form diagonal line, the diagonal line AB target spot passed through is tested, is selected
With the immediate block of preset value as target spot E and F.This kind of form sample can be formed the length of new quadrangle it is diagonal between
For colour temperature within the scope of color temperature difference, it is more accurate to be divided.
The present invention delimit the shapes and sizes of light splitting block quadrangle again, will the color in the long diagonal zones of quadrangle originally
The biggish lamp bead of difference goes to be discharged, to change light-splitting method, achievees the purpose that the same good no color differnece of block lamp bead colour consistency, saves
Subsequent cumbersome operation is gone, improves production efficiency while meeting customer requirement.
Embodiment 2
A kind of LED light-splitting method, comprising the following steps:
(1) as shown in Figure 1, 2, the block being divided is selected on light splitting target figure, the block is parallel by two
It is surrounded in the curve of black body locus and two thermoisopleths, the block surrounds quadrangle；Quasi-, the light splitting according to the asterisk of american energy
Target figure block is in irregular quadrilateral；
(2) as shown in figure 5, the quadrangle includes four diagonal, two of them are diagonally that length is diagonal, and another two be diagonally short
Diagonally, the coordinate for constituting four vertex of quadrangle is respectively A(x1, y1), B(x2, y2), C(x3, y3), D(x4, y4), wherein
Coordinate A(x1, y1) be first long diagonal vertex, coordinate B(x2, y2) be second long diagonal vertex, coordinate C(x3,
Y3) it is first short diagonal vertex, coordinate D(x4, y4) it is second short diagonal vertex；Vertex A is located at the right side of quadrangle
Upper angle, vertex B are located at the lower left corner of quadrangle, and vertex C is located at the upper left corner of quadrangle, and vertex D is located at the lower right corner of quadrangle；
Two target spot E and F are selected respectively in the long diagonal region of quadrangle two, and the coordinate of two target spots is E(x5, y5 respectively) and F(x6,
Y6), the target spot E and F is the maximum color temperature value and minimum color temperature value for meeting preset color temperature；
(3) coordinate points CEDF is connected into the quadrangle to be formed as judgment criteria, the quadrangle institute as judgment criteria
The region area surrounded is smaller, to limit light splitting condition；
(4) coordinate as corresponding four vertex of the quadrangle of judgment criteria is inputted in light splitting machine, if LED is corresponding
Target spot, which is fallen in standard quadrilateral, then to meet the requirements, and the LED in standard quadrilateral thinks that colour temperature is consistent, to carry out to it
Sorting.
As shown in figure 5, the midpoint of the side AC of the block is G, the midpoint of side AD is H, and the midpoint of side BC is I, side BD's
Midpoint is that the intersection point of J, straight line GJ and straight line IH are O, and quadrangle AHOG surrounds first long diagonal region, and quadrangle BJOI encloses
At second long diagonal region.The target spot E is obtained by moving vertex A along the thermoisopleth AD for the quadrangle for surrounding block
；The target spot F is by moving acquisition along the thermoisopleth BC for the quadrangle for surrounding block for vertex B, specifically, by being moved through
The color with pre-set color value of vertex correspondence are compared or by the chromaticity coordinates of the vertex correspondence in moving process and pre- in journey
If chromaticity coordinates be compared the vertex after determining movement.Make the block for surrounding quadrangle while CE and while DF it is parallel with X-axis, mark
Quasi- quadrangle is similar to parallelogram.
The present invention delimit the shapes and sizes of light splitting block quadrangle again, will the color in the long diagonal zones of quadrangle originally
The biggish lamp bead of difference goes to be discharged, to change light-splitting method, achievees the purpose that the same good no color differnece of block lamp bead colour consistency, saves
Subsequent cumbersome operation is gone, improves production efficiency while meeting customer requirement.
Embodiment 3
A kind of LED light-splitting method, which comprises the following steps:
(1) block being divided is selected on light splitting target figure, the block is parallel to black body locus by two
Curve and two thermoisopleths surround, and the block surrounds quadrangle,
(2) quadrangle includes four diagonal, two of them be diagonally it is long diagonal, another two be diagonally it is short diagonal, constitute
The coordinate on four vertex of quadrangle is respectively A(x1, y1), B(x2, y2), C(x3, y3), D(x4, y4), wherein coordinate A(x1,
Y1) it is first long diagonal vertex, coordinate B(x2, y2) be second long diagonal vertex, coordinate C(x3, y3) it is first
Short diagonal vertex, coordinate D(x4, y4) it is second short diagonal vertex；It is selected respectively in the long diagonal region of quadrangle two
Two target spot E and F are selected, the coordinate of two target spots is E(x5, y5 respectively) and F(x6, y6), the target spot E, which is selected from, meets the first default face
Block in color value error range, target spot F are selected from the block met in the second pre-set color value error range；
(3) as shown in fig. 6, while AD, while BC on select target spot E and F when, make the straight line EC ', straight line AD parallel with X-axis
By target spot E, the extended line of straight line BC passes through C '；Make the straight line FD ' parallel with X-axis, straight line BC passes through target spot F, straight line AD's
Extended line passes through D ', and C ' ED ' F surrounds the quadrangle as judgment criteria；
(4) coordinate as corresponding four vertex of the quadrangle of judgment criteria is inputted in light splitting machine, if LED is corresponding
Target spot, which is fallen in the quadrangle as judgment criteria, then to meet the requirements
For this kind of mode due to being moved along thermoisopleth, color temperature value range is constant, and parallel with X-axis, although delimiting again
Sorting quadrangle include the poor product of fraction colour consistency, but sort after lamp bead product be formed by lamps and lanterns face
Color is able to satisfy requirement, i.e., under the premise of final products meet the requirements you, sorting ratio is improved, to reduce cost.
Claims (7)
1. a kind of LED light-splitting method, which comprises the following steps:
(1) block being divided is selected on light splitting target figure, the block is parallel to the curve of black body locus by two
It being surrounded with two thermoisopleths, the block surrounds quadrangle,
(2) quadrangle includes four diagonal, two of them be diagonally it is long diagonal, another two be diagonally it is short diagonal, constitute four sides
The coordinate on four vertex of shape is respectively A(x1, y1), B(x2, y2), C(x3, y3), D(x4, y4), wherein coordinate A(x1, y1)
It is second long diagonal vertex, coordinate C(x3, y3 for first long diagonal vertex, coordinate B(x2, y2)) it is first short
Diagonal vertex, coordinate D(x4, y4) it is second short diagonal vertex；It is selected respectively in the long diagonal region of quadrangle two
Two target spot E and F, the coordinate of two target spots is E(x5, y5 respectively) and F(x6, y6), the target spot E, which is selected from, meets the first pre-set color
The block being worth in error range, target spot F are selected from the block met in the second pre-set color value error range；
(3) coordinate points CEDF is connected into the quadrangle to be formed as judgment criteria；
(4) coordinate as corresponding four vertex of the quadrangle of judgment criteria is inputted in light splitting machine, if the corresponding target spot of LED
It falls in the quadrangle as judgment criteria and then meets the requirements.
2. a kind of LED light-splitting method according to claim 1, it is characterised in that: in long diagonal region, if by dividing
Dry block and by each block compared with preset value, target spot E and F, which are selected from, meets block in preset value error range.
3. a kind of LED light-splitting method according to claim 1, it is characterised in that: coordinate A, B connect to form diagonal line, right
The target spot that diagonal line AB passes through is tested, and target spot E and F are selected from the block met in preset value error range.
4. a kind of LED light-splitting method according to claim 1, it is characterised in that: the midpoint of the side AC of the block is G,
The midpoint of side AD is H, and the midpoint of side BC is I, and the midpoint of side BD is that the intersection point of J, straight line GJ and straight line IH are O, quadrangle AHOG
First long diagonal region is surrounded, quadrangle BJOI surrounds second long diagonal region.
5. a kind of LED light-splitting method according to claim 1, it is characterised in that: the target spot E is by enclosing the edge vertex A
It is obtained at the thermoisopleth of the quadrangle of block is mobile；The target spot F passes through the thermoisopleth by vertex B along the quadrangle for surrounding block
It is mobile to obtain.
6. a kind of LED light-splitting method according to claim 1, it is characterised in that: surround the block of quadrangle side CE and
Side DF is parallel with X-axis.
7. a kind of LED light-splitting method, which comprises the following steps:
(1) block being divided is selected on light splitting target figure, the block is parallel to the curve of black body locus by two
It being surrounded with two thermoisopleths, the block surrounds quadrangle,
(2) quadrangle includes four diagonal, two of them be diagonally it is long diagonal, another two be diagonally it is short diagonal, constitute four sides
The coordinate on four vertex of shape is respectively A(x1, y1), B(x2, y2), C(x3, y3), D(x4, y4), wherein coordinate A(x1, y1)
It is second long diagonal vertex, coordinate C(x3, y3 for first long diagonal vertex, coordinate B(x2, y2)) it is first short
Diagonal vertex, coordinate D(x4, y4) it is second short diagonal vertex；It is selected respectively in the long diagonal region of quadrangle two
Two target spot E and F, the coordinate of two target spots is E(x5, y5 respectively) and F(x6, y6), the target spot E is to meet the first pre-set color value
Block in error range, target spot F are the block met in the second pre-set color value error range；
(3) make the straight line EC ' parallel with X-axis, straight line AD passes through target spot E, and the extended line of straight line BC passes through C '；Make parallel with X-axis
Straight line FD ', straight line BC passes through target spot F, and the extended line of straight line AD passes through D ', and C ' ED ' F surrounds four sides as judgment criteria
Shape；
(4) coordinate as corresponding four vertex of the quadrangle of judgment criteria is inputted in light splitting machine, if the corresponding target spot of LED
It falls in the quadrangle as judgment criteria and then meets the requirements.
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| CN109103119A (en) * | 2018-07-03 | 2018-12-28 | 长春希达电子技术有限公司 | Eliminate the luminescence chip stepping method of color difference and the application method of stepping luminescence chip |
| CN117705414B (en) * | 2023-11-10 | 2024-06-18 | 东莞市立德达光电科技有限公司 | LED light-splitting and color-separating method |
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| CN1881629A (en) * | 2005-03-18 | 2006-12-20 | 株式会社藤仓 | Light-emitting device and illumination apparatus |
| CN101412026A (en) * | 2008-10-28 | 2009-04-22 | 广州市鸿利光电子有限公司 | Method for sorting white light LED |
| JP2014134527A (en) * | 2013-01-12 | 2014-07-24 | Oh'tec Electronics Corp | Calibration method for led measuring instrument, and led measuring instrument using the same |
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