CN112382714B - LED spectrum synthesis method and terminal - Google Patents
LED spectrum synthesis method and terminal Download PDFInfo
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- CN112382714B CN112382714B CN202011271457.8A CN202011271457A CN112382714B CN 112382714 B CN112382714 B CN 112382714B CN 202011271457 A CN202011271457 A CN 202011271457A CN 112382714 B CN112382714 B CN 112382714B
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Abstract
The invention discloses a method for synthesizing an LED spectrum and a terminal, wherein the method comprises the following steps: s1, recording material parameters of the light-emitting chip, material parameters of the fluorescent powder and corresponding characteristic spectra in advance; s2, receiving demand parameters and simulation materials, and obtaining synthesis parameters according to the simulation materials, wherein the simulation materials comprise a simulation light-emitting chip and a plurality of types of simulation fluorescent powder; s3, generating a demand spectrum corresponding to the demand parameter and a synthetic spectrum corresponding to the synthetic parameter on the same interface; s4, synchronously modifying the synthesized spectrum according to the modification of the simulation material until the synthesized spectrum is consistent with the required spectrum; the invention can generate the required spectrum and the synthesized spectrum on the same interface, thereby assisting a white light engineer to modify the simulation materials according to the displayed spectrum difference until the synthesized spectrum is consistent with the required spectrum, and helping the white light engineer to quickly find the wafer, the fluorescent powder and the mixture ratio combination thereof required by the LED product so as to improve the research and development speed of the LED product.
Description
Technical Field
The invention relates to the technical field of LED production, in particular to an LED spectrum synthesis method and a terminal.
Background
The light emitting diode is called LED for short, is a common light emitting device, emits light by energy released by electron and hole recombination, and is widely applied in the field of illumination. Since the light emitting diode can efficiently convert electric energy into light energy, it has a wide range of applications in modern society, such as illumination, flat panel display, medical devices, and the like.
Based on different user requirements, the LEDs with different parameters including center color temperature, center X, center Y, color rendering index, power, etc. need to be produced, which requires selecting suitable wafers and phosphors to achieve the LED required by the user. At present, a white light engineer selects a proper wafer and a proper fluorescent powder according to actual experience, and the process needs much time and energy to complete, so that the development speed of an LED product is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the LED spectrum synthesis method and the terminal are provided, and the combination of the wafer, the fluorescent powder and the proportion thereof required by the LED product is quickly found, so that the research and development speed of the LED product is increased.
In order to solve the technical problems, the invention adopts the technical scheme that:
the LED spectrum synthesis method comprises the following steps:
s1, recording material parameters of the light-emitting chip, material parameters of the fluorescent powder and corresponding characteristic spectra in advance;
s2, receiving demand parameters and simulation materials, and obtaining synthesis parameters according to the simulation materials, wherein the simulation materials comprise a simulation light-emitting chip and a plurality of types of simulation fluorescent powder;
s3, generating a demand spectrum corresponding to the demand parameter and a synthetic spectrum corresponding to the synthetic parameter on the same interface;
and S4, synchronously modifying the synthesized spectrum according to the modification of the simulated material until the synthesized spectrum is consistent with the required spectrum.
In order to solve the technical problem, the invention adopts another technical scheme as follows:
an LED spectrum synthesis terminal comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
s1, recording material parameters of the light-emitting chip, material parameters of the fluorescent powder and corresponding characteristic spectra in advance;
s2, receiving demand parameters and simulation materials, and obtaining synthesis parameters according to the simulation materials, wherein the simulation materials comprise a simulation light-emitting chip and a plurality of types of simulation fluorescent powder;
s3, generating a demand spectrum corresponding to the demand parameter and a synthetic spectrum corresponding to the synthetic parameter on the same interface;
and S4, synchronously modifying the synthesized spectrum according to the modification of the simulated material until the synthesized spectrum is consistent with the required spectrum.
The invention has the beneficial effects that: the LED spectrum synthesis method and the terminal can generate a demand spectrum corresponding to the demand parameter and a synthesis spectrum corresponding to the simulation material on the same interface by inputting the material parameters of the light-emitting chip, the material parameters of the fluorescent powder and the corresponding characteristic spectrum in advance so as to produce LEDs with different parameters subsequently, and therefore a white light engineer is assisted to modify the simulation material according to the displayed spectrum difference until the synthesis spectrum is consistent with the demand spectrum, and the white light engineer can be helped to quickly find the wafer, the fluorescent powder and the matching combination thereof required by the LED product so as to improve the research and development speed of the LED product; in addition, for a company for chip research and development and phosphor research and development, by means of the method and the terminal, a chip engineer can be helped to quickly develop a chip wavelength suitable for white light by comparing real-time parameters and corresponding spectra of materials under research and development in the research and development process, and the attribute and the suitable spectrum of the required phosphor can be helped to be quickly determined by the phosphor research and development engineer, namely, the method can help the company for chip research and development, phosphor research and development and LED research and development to perform auxiliary development and use.
Drawings
FIG. 1 is a schematic flow chart of a method for synthesizing an LED spectrum according to an embodiment of the present invention;
fig. 2 is an interface schematic diagram of material parameters of a light emitting chip and material parameters of phosphor according to an embodiment of the present invention;
FIG. 3 is a schematic interface diagram of setting spectral boundaries for line color extraction according to an embodiment of the present invention;
fig. 4 is a schematic interface diagram illustrating additional extraction of lines under line color extraction according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an interface for extracting a background color according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an interface for extracting an extraction background according to the background extraction according to the embodiment of the present invention;
fig. 7 is a schematic interface diagram illustrating additional extraction of a background under background extraction according to an embodiment of the present invention;
fig. 8 is a schematic interface diagram illustrating additional extraction of lines under the extraction of ground color according to an embodiment of the present invention;
FIG. 9 is an interface schematic view of a line drawing pattern in accordance with an embodiment of the invention;
fig. 10 is a schematic view of an interface depicting a line being drawn and modified in a line drawing mode in accordance with an embodiment of the present invention;
FIG. 11 is a schematic interface diagram of a characteristic spectrum obtained in a line drawing mode in accordance with an embodiment of the present invention;
FIG. 12 is an interface schematic of demand parameters, simulation materials, and synthesis parameters according to an embodiment of the present invention;
FIG. 13 is a schematic interface diagram of a desired spectrum and a synthesized spectrum at the same interface according to an embodiment of the present invention;
FIG. 14 is a schematic interface diagram illustrating modification of a simulated material according to an embodiment of the present invention;
fig. 15 is a schematic structural diagram of an LED spectrum synthesis terminal according to an embodiment of the present invention.
Description of reference numerals:
1. an LED spectrum synthesis terminal; 2. a processor; 3. a memory.
Detailed Description
In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 14, the LED spectrum synthesis method includes the steps of:
s1, recording material parameters of the light-emitting chip, material parameters of the fluorescent powder and corresponding characteristic spectra in advance;
s2, receiving demand parameters and simulation materials, and obtaining synthesis parameters according to the simulation materials, wherein the simulation materials comprise a simulation light-emitting chip and a plurality of types of simulation fluorescent powder;
s3, generating a demand spectrum corresponding to the demand parameter and a synthetic spectrum corresponding to the synthetic parameter on the same interface;
and S4, synchronously modifying the synthesized spectrum according to the modification of the simulated material until the synthesized spectrum is consistent with the required spectrum.
From the above description, the beneficial effects of the present invention are: by inputting the material parameters of the light-emitting chip, the material parameters of the fluorescent powder and the corresponding characteristic spectrum in advance, the required spectrum corresponding to the required parameters and the synthesized spectrum corresponding to the simulated material can be generated on the same interface only by inputting the required parameters and the simulated material, so that a white light engineer is assisted to modify the simulated material according to the displayed spectrum difference until the synthesized spectrum is consistent with the required spectrum, and the white light engineer can be helped to quickly find the wafer, the fluorescent powder and the matching combination thereof required by the LED product, so that the research and development speed of the LED product is increased; in addition, for a company for chip research and development and phosphor research and development, by means of the method and the terminal, a chip engineer can be helped to quickly develop a chip wavelength suitable for white light by comparing real-time parameters and corresponding spectra of materials under research and development in the research and development process, and the attribute and the suitable spectrum of the required phosphor can be helped to be quickly determined by the phosphor research and development engineer, namely, the method can help the company for chip research and development, phosphor research and development and LED research and development to perform auxiliary development and use.
Further, the step S1 specifically includes the following steps:
receiving and storing material parameters of the light-emitting chip;
receiving the spectrum type, the spectrum boundary, the material parameters of the fluorescent powder and the spectrum picture;
receiving an extraction color and an extraction mode, if the extraction mode is line color extraction, extracting lines corresponding to the extraction color from the spectrum picture in the spectrum boundary to obtain a characteristic spectrum of the fluorescent powder consisting of the extracted lines;
if the extraction mode is ground color extraction, extracting a background corresponding to the extraction color from the spectrum picture in the spectrum boundary, and taking the boundary line of the extracted background and the spectrum pattern except the background in the spectrum picture as the characteristic spectrum of the fluorescent powder;
and storing the material parameters and the characteristic spectrum of the fluorescent powder.
From the above description, for the spectrum picture with clear lines and single color, the characteristic spectrum is rapidly obtained through line color extraction; and for the spectrum pictures with variable colors and obvious differences with the ground color, the characteristic spectrum is obtained through ground color extraction, so that the characteristic spectra of different spectrum pictures can be rapidly obtained.
Further, the obtaining of the characteristic spectrum of the phosphor composed of the extracted lines specifically includes the steps of:
receiving an additional request, generating an additional frame in the spectrum picture in the spectrum boundary, and performing line additional extraction on picture information in the additional frame until all lines corresponding to the extracted colors are extracted from the spectrum picture in the spectrum boundary;
obtaining a characteristic spectrum of the fluorescent powder consisting of all the extracted lines;
the step of taking the boundary line of the extracted background and the spectrum pattern in the spectrum picture except the background as the characteristic spectrum of the fluorescent powder specifically comprises the following steps:
receiving an addition request, generating an addition frame in the spectrum picture in the spectrum boundary, and performing background addition extraction on picture information in the addition frame until all backgrounds corresponding to the extraction colors are extracted from the spectrum picture in the spectrum boundary;
and taking the boundary line of the extracted whole background and the spectrum pattern except the background in the spectrum picture as the characteristic spectrum of the fluorescent powder.
As is apparent from the above description, when line color extraction or ground color extraction is performed, there may be a case where local lines are not extracted successfully or local backgrounds are not extracted successfully, and therefore, an additional option is provided to generate an additional frame to further extract local lines or backgrounds, thereby obtaining an accurate characteristic spectrum.
Further, the step S1 further includes the steps of:
if the characteristic spectrum of the fluorescent powder cannot be obtained by the line color extraction and the ground color extraction, entering a line drawing mode;
and receiving the line information input in the spectrum picture in the spectrum boundary and modifying the line nodes on the input line information until the line drawing completion information is received, and taking the modified line as the characteristic spectrum of the fluorescent powder.
As can be seen from the above description, in the case of a spectral picture in which line color extraction and ground color extraction cannot be performed, an option is provided for generating a characteristic spectrum by drawing a line by the user himself, thereby ensuring that the corresponding characteristic spectrum can be acquired from the spectral picture in any case.
Further, the requirement parameters in the step S2 include a customer name, a sample code number, a central color temperature, a central coordinate, a color rendering index, and a power;
the material parameters of the light emitting chip in the step S1 include supplier, chip type, wavelength, power, current and light power;
the material parameters of the fluorescent powder in the step S1 comprise suppliers, types of the fluorescent powder, particle size, density and efficiency;
the simulation material in the step S2 includes a manufacturer, a product model, and a simulation coefficient of each material, and further includes a chip wavelength if the simulation material is a light emitting chip.
From the above description, the parameters are set to ensure the consistency of the synthesized spectrum and the desired spectrum.
Referring to fig. 15, the LED spectrum synthesizing terminal includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and the processor executes the computer program to implement the following steps:
s1, recording material parameters of the light-emitting chip, material parameters of the fluorescent powder and corresponding characteristic spectra in advance;
s2, receiving demand parameters and simulation materials, and obtaining synthesis parameters according to the simulation materials, wherein the simulation materials comprise a simulation light-emitting chip and a plurality of types of simulation fluorescent powder;
s3, generating a demand spectrum corresponding to the demand parameter and a synthetic spectrum corresponding to the synthetic parameter on the same interface;
and S4, synchronously modifying the synthesized spectrum according to the modification of the simulated material until the synthesized spectrum is consistent with the required spectrum.
From the above description, the beneficial effects of the present invention are: by inputting the material parameters of the light-emitting chip, the material parameters of the fluorescent powder and the corresponding characteristic spectrum in advance, the demand spectrum corresponding to the demand parameters and the synthetic spectrum corresponding to the simulation material can be generated on the same interface only by inputting the demand parameters and the simulation material, so that a white light engineer is assisted to modify the simulation material according to the displayed spectrum difference until the synthetic spectrum is consistent with the demand spectrum, and the white light engineer can be helped to quickly find the wafer, the fluorescent powder and the matching combination thereof required by the LED product, and the research and development speed of the LED product is improved.
Further, the step S1 specifically includes the following steps:
receiving and storing material parameters of the light-emitting chip;
receiving a spectrum type, a spectrum boundary, material parameters of fluorescent powder and a spectrum picture;
receiving an extraction color and an extraction mode, if the extraction mode is line color extraction, extracting lines corresponding to the extraction color from the spectrum picture in the spectrum boundary to obtain a characteristic spectrum of the fluorescent powder consisting of the extracted lines;
if the extraction mode is ground color extraction, extracting a background corresponding to the extraction color from the spectrum picture in the spectrum boundary, and taking the boundary line of the extracted background and the spectrum pattern in the spectrum picture except the background as the characteristic spectrum of the fluorescent powder;
and storing the material parameters and the characteristic spectrum of the fluorescent powder.
From the above description, for the spectrum picture with clear lines and single color, the characteristic spectrum is rapidly obtained through line color extraction; and for the spectrum pictures with variable colors and obvious differences with the ground color, the characteristic spectrum is obtained through ground color extraction, so that the characteristic spectra of different spectrum pictures can be rapidly obtained.
Further, the obtaining of the characteristic spectrum of the phosphor composed of the extracted lines specifically includes the steps of:
receiving an additional request, generating an additional frame in the spectral picture in the spectral boundary, and performing line additional extraction on picture information in the additional frame until all lines corresponding to the extracted colors are extracted from the spectral picture in the spectral boundary;
obtaining a characteristic spectrum of the fluorescent powder consisting of all the extracted lines;
the step of taking the boundary line of the extracted background and the spectrum pattern in the spectrum picture except the background as the characteristic spectrum of the fluorescent powder specifically comprises the following steps:
receiving an additional request, generating an additional frame in the spectrum picture in the spectrum boundary, and performing background additional extraction on picture information in the additional frame until all backgrounds corresponding to the extraction colors are extracted from the spectrum picture in the spectrum boundary;
and taking the boundary line of the extracted total background and the spectrum pattern except the background in the spectrum picture as the characteristic spectrum of the fluorescent powder.
As can be seen from the above description, in the case of a spectral picture in which line color extraction and ground color extraction cannot be performed, an option is provided for generating a characteristic spectrum by drawing a line by the user himself, thereby ensuring that the corresponding characteristic spectrum can be acquired from the spectral picture in any case.
Further, the step S1 further includes the following steps:
if the characteristic spectrum of the fluorescent powder cannot be obtained by the line color extraction and the ground color extraction, entering a line drawing mode;
and receiving the line information input in the spectrum picture in the spectrum boundary and modifying the line nodes on the input line information until the line drawing completion information is received, and taking the modified line as the characteristic spectrum of the fluorescent powder.
As can be seen from the above description, in the case of a spectral picture in which line color extraction and ground color extraction cannot be performed, an option is provided for generating a characteristic spectrum by drawing a line by the user himself, thereby ensuring that the corresponding characteristic spectrum can be acquired from the spectral picture in any case.
Further, the requirement parameters in the step S2 include a customer name, a sample code number, a central color temperature, a central coordinate, a color rendering index, and a power;
the material parameters of the light emitting chip in the step S1 include supplier, chip model, wavelength, power, current and light power;
the material parameters of the fluorescent powder in the step S1 comprise suppliers, types of the fluorescent powder, particle size, density and efficiency;
the simulation material in the step S2 includes a manufacturer, a product model, and a simulation coefficient of each material, and further includes a chip wavelength if the simulation material is a light emitting chip.
From the above description, the parameters are set to ensure the consistency of the synthesized spectrum and the desired spectrum.
Referring to fig. 1 to 14, a first embodiment of the present invention is:
the LED spectrum synthesis method comprises the following steps:
s1, recording material parameters of the light-emitting chip, material parameters of the fluorescent powder and corresponding characteristic spectra in advance;
in this embodiment, as shown in fig. 2 to 11, step S1 specifically includes the following steps:
s11, receiving and storing the material parameters of the light-emitting chip;
the material parameters of the light-emitting chip include supplier, chip type, wavelength, power, current and optical power, and as shown in fig. 2, the wavelength of a certain light-emitting chip is 453nm, the power is 60mW, the current is 60mA and the optical power is 100 mW;
s12, receiving the spectrum type, the spectrum boundary, the material parameters of the fluorescent powder and the spectrum picture;
the material parameters of the fluorescent powder comprise suppliers, fluorescent powder types, particle sizes, densities and efficiencies, wherein a certain fluorescent powder shown in figure 2 has a particle size of 15, a density of 5.05 and an efficiency of 0.85;
s13, receiving an extraction color and an extraction mode, and if the extraction mode is line color extraction, extracting lines corresponding to the extraction color from the spectrum picture in the spectrum boundary to obtain the characteristic spectrum of the fluorescent powder consisting of the extracted lines;
the method for obtaining the characteristic spectrum of the fluorescent powder consisting of the extracted lines specifically comprises the following steps:
receiving an additional request, generating an additional frame in the spectral picture in the spectral boundary, and performing line additional extraction on picture information in the additional frame until all lines corresponding to the extracted colors are extracted from the spectral picture in the spectral boundary;
obtaining a characteristic spectrum of the fluorescent powder consisting of all the extracted lines;
in this embodiment, as shown in fig. 3 and 4, for a spectrum picture with clear lines and single color, the lines of the characteristic spectrum can be quickly identified through line color extraction; wherein the spectrum type is an emission spectrum, and the spectrum boundaries comprise a spectrum right boundary of 380nm and a spectrum left boundary of 780 nm. The lines of the characteristic spectrum finally generated in fig. 4, 8 and 11 are displayed in a predetermined color, but the color cannot be displayed based on black and white pictures, and therefore, the description is given here.
S14, if the extraction mode is ground color extraction, extracting a background corresponding to the extraction color from the spectrum picture in the spectrum boundary, and taking the boundary line of the extracted background and the spectrum pattern except the background in the spectrum picture as the characteristic spectrum of the fluorescent powder;
the method specifically comprises the following steps of taking the boundary line of the extracted background and the spectrum pattern except the background in the spectrum picture as the characteristic spectrum of the fluorescent powder:
receiving an additional request, generating an additional frame in the spectral picture in the spectral boundary, and performing background additional extraction on picture information in the additional frame until all backgrounds corresponding to the extracted colors are extracted from the spectral picture in the spectral boundary;
and taking the boundary line of the extracted total background and the spectrum pattern except the background in the spectrum picture as the characteristic spectrum of the fluorescent powder.
In this embodiment, as shown in fig. 5 to 8, for spectral pictures with variable colors and obvious differences from the ground color, the background is extracted through the ground color, and the background is unified into gray to obtain fig. 6; then, further extracting the background by adding options to obtain a picture 7; at this time, the boundary line between the extracted entire background and the spectrum pattern in the spectrum picture except the background is the line corresponding to the characteristic spectrum, fig. 8 is obtained, and if there is a line apparently not belonging to the characteristic spectrum in fig. 8, additional extraction is sufficient. Wherein the spectrum type is an emission spectrum, and the spectrum boundaries comprise a spectrum right boundary of 380nm and a spectrum left boundary of 780 nm.
And S15, if the characteristic spectrum of the fluorescent powder cannot be obtained by line color extraction and bottom color extraction, entering a line drawing mode, receiving line information input in the spectrum picture in the spectrum boundary and modifying line nodes on the input line information until line drawing completion information is received, and taking the modified line as the characteristic spectrum of the fluorescent powder.
In the present embodiment, as shown in fig. 9 to 11, for spectral pictures in which line color extraction and ground color extraction cannot be performed, an option is provided for generating a characteristic spectrum by drawing a line by the user himself. The method also comprises the modification of the line nodes by four options, namely front, back, left and right, so that the drawn lines are overlapped with the lines on the spectrum picture. Wherein the spectrum type is an emission spectrum, and the spectrum boundaries comprise a spectrum right boundary of 380nm and a spectrum left boundary of 780 nm.
And S16, storing the material parameters and the characteristic spectrum of the fluorescent powder.
S2, receiving demand parameters and simulation materials, and obtaining synthesis parameters according to the simulation materials, wherein the simulation materials comprise a simulation light-emitting chip and a plurality of types of simulation fluorescent powder;
in this embodiment, the demand parameters include a customer name, a sample number, a central color temperature, a central coordinate, a color rendering index, and a power, and as shown in fig. 12, the demand parameters of a certain customer are 6500 central color temperature, 0.3142,0.3297 central coordinate, 80 color rendering index, and 60mW power. The simulation material includes a manufacturer, a product model and a simulation coefficient of each material, and also includes a chip wavelength if the simulation material is a light emitting chip, as shown in fig. 12, the simulation material includes three types of fluorescent powder and one type of light emitting chip, wherein the simulation coefficients of the three types of fluorescent powder are 0.45, 0.1 and 0, respectively, and the chip wavelength of the light emitting chip is 457 nm.
The box numbers in fig. 12 are the user operation sequence, and the generated synthesis parameters are 5908 center color temperature, 0.3237,0.3357 center coordinates, 80.1 color rendering index, and 60mW power.
S3, generating a demand spectrum corresponding to the demand parameter and a synthetic spectrum corresponding to the synthetic parameter on the same interface;
in this embodiment, as shown in fig. 13, the desired spectrum and the synthesized spectrum are generated on the same interface.
And S4, synchronously modifying the synthesized spectrum according to the modification of the simulation material until the synthesized spectrum is consistent with the required spectrum.
In this embodiment, a white light engineer may modify the materials according to the difference between the spectra and the difference between the parameters, and first adjust the spectra and the parameters by modifying the simulation coefficients of the materials to keep the spectra and the parameters as consistent as possible with the required spectra and parameters, if the simulation coefficients of the materials are found to be inconsistent with the required spectra and parameters, the materials are adjusted, the materials to be modified are selected to display the characteristic spectra thereof, and the 'preview' is selected to display the alternative spectra. As shown in fig. 14, characteristic spectra of the two materials before and after modification are generated on the same interface for reference by a white light engineer until the simulation is completed, so as to better assist the white light engineer in completing the development of the required LED product.
It should be noted that the existing spectrum synthesis technology is adopted for spectrum synthesis, and the technical principle is summarized as follows: based on the characteristic spectra of the chip and the fluorescent powder, the efficiency factor of the fluorescent powder is added, and the fitting coefficient obtained by the relative distance and the relative power intensity of the characteristic spectra of the chip and the fluorescent powder is added to correct the basic spectrum.
It should be noted that, in order to avoid the name of a specific manufacturer, all the names and models of the chip, the phosphor, and the customer in this embodiment may be masked, but the implementation and description of this embodiment are not affected.
For the companies of chip research and development and phosphor powder research and development, the real-time parameters and the corresponding spectra of the materials under research and development can be compared in the research and development process through the embodiment, so that a chip engineer is helped to quickly develop the chip wavelength suitable for white light, and the phosphor powder research and development engineer is helped to quickly determine the attribute and the suitable spectrum of the required phosphor powder, namely the embodiment can help the companies of chip research and development, phosphor powder research and development and LED research and development to perform auxiliary development and use.
Referring to fig. 15, a second embodiment of the invention is:
the LED spectrum synthesis terminal 1 includes a memory 3, a processor 2, and a computer program stored in the memory 3 and operable on the processor 2, and the processor 2 implements the steps of the first embodiment when executing the computer program.
In summary, the LED spectrum synthesis method and the LED spectrum synthesis terminal provided by the present invention record the material parameters of the light emitting chip and the material parameters of the phosphor in advance, and provides three modes of line color extraction, ground color extraction and line drawing modes and the like to process different types of spectral pictures, so as to quickly and accurately generate the corresponding characteristic spectrum, and then the LED with different parameters is produced, only the required parameters and the simulated materials are needed to be input, and the required spectrum corresponding to the required parameters and the synthesized spectrum corresponding to the simulated materials can be generated on the same interface, thereby assisting the white light engineer to modify the simulated material according to the displayed spectrum difference until the synthesized spectrum is consistent with the required spectrum, the LED packaging structure can help white light engineers to quickly find the combination of the chip, the fluorescent powder and the proportion thereof required by the LED product so as to improve the research and development speed of the LED product; in addition, the method can help a chip engineer to quickly develop the wavelength of the chip suitable for white light, and helps a phosphor powder research and development engineer to quickly determine the attribute and the suitable spectrum of the required phosphor powder, namely, the method can help companies for chip research and development, phosphor powder research and development and LED research and development to perform auxiliary development and use.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (6)
- An LED spectrum synthesis method, characterized by comprising the steps of:s1, recording material parameters of the light-emitting chip, material parameters of the fluorescent powder and corresponding characteristic spectra in advance;s2, receiving demand parameters and simulation materials, and obtaining synthesis parameters according to the simulation materials, wherein the simulation materials comprise a simulation light-emitting chip and a plurality of types of simulation fluorescent powder;s3, generating a demand spectrum corresponding to the demand parameter and a synthetic spectrum corresponding to the synthetic parameter on the same interface;s4, synchronously modifying the synthesized spectrum according to the modification of the simulated material until the synthesized spectrum is consistent with the required spectrum;the step S1 specifically includes the following steps:receiving and storing material parameters of the light-emitting chip;receiving the spectrum type, the spectrum boundary, the material parameters of the fluorescent powder and the spectrum picture;receiving an extraction color and an extraction mode, if the extraction mode is line color extraction, extracting lines corresponding to the extraction color from the spectrum picture in the spectrum boundary to obtain a characteristic spectrum of the fluorescent powder consisting of the extracted lines;if the extraction mode is ground color extraction, extracting a background corresponding to the extraction color from the spectrum picture in the spectrum boundary, and taking the boundary line of the extracted background and the spectrum pattern except the background in the spectrum picture as the characteristic spectrum of the fluorescent powder;storing the material parameters and the characteristic spectrum of the fluorescent powder;the step S1 further includes the steps of:if the characteristic spectrum of the fluorescent powder cannot be obtained by the line color extraction and the ground color extraction, entering a line drawing mode;receiving the line information input in the spectrum picture in the spectrum boundary and modifying the line nodes on the input line information until the line drawing completion information is received, and taking the modified line as the characteristic spectrum of the fluorescent powder;wherein the spectrum type is an emission spectrum, and the spectrum boundaries comprise a spectrum right boundary of 380nm and a spectrum left boundary of 780 nm.
- 2. The LED spectrum synthesis method according to claim 1, wherein said obtaining the characteristic spectrum of the phosphor consisting of the extracted lines comprises the steps of:receiving an additional request, generating an additional frame in the spectral picture in the spectral boundary, and performing line additional extraction on picture information in the additional frame until all lines corresponding to the extracted colors are extracted from the spectral picture in the spectral boundary;obtaining a characteristic spectrum of the fluorescent powder consisting of all the extracted lines;the step of taking the boundary line of the extracted background and the spectrum pattern in the spectrum picture except the background as the characteristic spectrum of the fluorescent powder specifically comprises the following steps:receiving an addition request, generating an addition frame in the spectrum picture in the spectrum boundary, and performing background addition extraction on picture information in the addition frame until all backgrounds corresponding to the extraction colors are extracted from the spectrum picture in the spectrum boundary;and taking the boundary line of the extracted total background and the spectrum pattern except the background in the spectrum picture as the characteristic spectrum of the fluorescent powder.
- 3. The LED spectrum synthesis method according to claim 1, wherein the requirement parameters in step S2 include customer name, sample code number, central color temperature, central coordinates, color rendering index and power;the material parameters of the light emitting chip in the step S1 include supplier, chip type, wavelength, power, current and light power;the material parameters of the fluorescent powder in the step S1 comprise supplier, type of the fluorescent powder, particle size, density and efficiency;the simulation material in the step S2 includes a manufacturer, a product model, and a simulation coefficient of each material, and further includes a chip wavelength if the simulation material is a light emitting chip.
- An LED spectrum synthesis terminal comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the following steps when executing the computer program:s1, recording material parameters of the light-emitting chip, material parameters of the fluorescent powder and corresponding characteristic spectra in advance;s2, receiving demand parameters and simulation materials, and obtaining synthesis parameters according to the simulation materials, wherein the simulation materials comprise a simulation light-emitting chip and a plurality of types of simulation fluorescent powder;s3, generating a demand spectrum corresponding to the demand parameter and generating a synthetic spectrum corresponding to the synthetic parameter on the same interface;s4, synchronously modifying the synthesized spectrum according to the modification of the simulated material until the synthesized spectrum is consistent with the required spectrum;the step S1 specifically includes the following steps:receiving and storing material parameters of the light-emitting chip;receiving a spectrum type, a spectrum boundary, material parameters of fluorescent powder and a spectrum picture;receiving an extraction color and an extraction mode, if the extraction mode is line color extraction, extracting lines corresponding to the extraction color from the spectrum picture in the spectrum boundary to obtain a characteristic spectrum of the fluorescent powder consisting of the extracted lines;if the extraction mode is ground color extraction, extracting a background corresponding to the extraction color from the spectrum picture in the spectrum boundary, and taking the boundary line of the extracted background and the spectrum pattern in the spectrum picture except the background as the characteristic spectrum of the fluorescent powder;storing the material parameters and the characteristic spectrum of the fluorescent powder;the step S1 further includes the steps of:if the characteristic spectrum of the fluorescent powder cannot be obtained by the line color extraction and the ground color extraction, entering a line drawing mode;receiving the line information input in the spectrum picture in the spectrum boundary and modifying the line nodes on the input line information until the line drawing completion information is received, and taking the modified line as the characteristic spectrum of the fluorescent powder;wherein the spectrum type is an emission spectrum, and the spectrum boundaries comprise a spectrum right boundary of 380nm and a spectrum left boundary of 780 nm.
- 5. The LED spectrum synthesis terminal according to claim 4, wherein the obtaining of the characteristic spectrum of the phosphor consisting of the extracted lines comprises the following steps:receiving an additional request, generating an additional frame in the spectral picture in the spectral boundary, and performing line additional extraction on picture information in the additional frame until all lines corresponding to the extracted colors are extracted from the spectral picture in the spectral boundary;obtaining a characteristic spectrum of the fluorescent powder consisting of all the extracted lines;the step of taking the boundary line of the extracted background and the spectrum pattern in the spectrum picture except the background as the characteristic spectrum of the fluorescent powder specifically comprises the following steps:receiving an addition request, generating an addition frame in the spectrum picture in the spectrum boundary, and performing background addition extraction on picture information in the addition frame until all backgrounds corresponding to the extraction colors are extracted from the spectrum picture in the spectrum boundary;and taking the boundary line of the extracted total background and the spectrum pattern except the background in the spectrum picture as the characteristic spectrum of the fluorescent powder.
- 6. The LED spectrum synthesis terminal of claim 4, wherein the requirement parameters in the step S2 include customer name, sample code number, central color temperature, central coordinates, color rendering index and power;the material parameters of the light emitting chip in the step S1 include supplier, chip type, wavelength, power, current and light power;the material parameters of the fluorescent powder in the step S1 comprise suppliers, types of the fluorescent powder, particle size, density and efficiency;the simulation material in the step S2 includes a manufacturer, a product model, and a simulation coefficient of each material, and further includes a chip wavelength if the simulation material is a light emitting chip.
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