CN206361522U - A kind of solar spectrum and blackbody radiation spectrum simulation system based on quantum dot LED - Google Patents
A kind of solar spectrum and blackbody radiation spectrum simulation system based on quantum dot LED Download PDFInfo
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- CN206361522U CN206361522U CN201621485115.5U CN201621485115U CN206361522U CN 206361522 U CN206361522 U CN 206361522U CN 201621485115 U CN201621485115 U CN 201621485115U CN 206361522 U CN206361522 U CN 206361522U
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Abstract
The utility model belongs to analog light source technical field, specially a kind of solar spectrum and blackbody radiation spectrum simulation system based on quantum dot LED.The utility model system includes light source module, light adjusting system, condenser lens, light-mixing machine and light-distribution lens group, light source module includes K individual monochromatic light quanta point LED/light source or ultraviolet LED light source with different peak wavelengths, the light-mixing machine for being converged at monochromatic light at condenser lens public focus by condenser lens, monochromatic light is mixed into simulated solar irradiation or simulation black matrix radiant light of the wavelength in the range of 200 1200 nm by the light-mixing machine again, finally by outgoing after light-distribution lens group.Solar spectrum and blackbody radiation spectrum simulation system of the present utility model is when synthesizing target optical spectrum, light is synthesized under preferable performance and is more than 0.99 with correlation coefficient r of the target optical spectrum in 400 730 nm, colour temperature deviation delta CCT is less than 100 K, general colour rendering index Ra is more than 98, special colour rendering index R1 R15 are all higher than 96, and color tolerance SDCM is less than 1.
Description
Technical field
The utility model belongs to analog light source technical field, and in particular to a kind of solar spectrum based on quantum dot LED and
Blackbody radiation spectrum simulation system.
Background technology
Quantum dot belongs to fluorescent nano material, by the element compounds such as zinc, selenium, cadmium, sulphur into semi-conducting material be made, its is straight
Footpath is 2 10 nm.Clearly, the carrier in semiconductor can be defined in one very to the quantum confined effect of quantum dot by it
In small space, once by illumination or electro photoluminescence, carrier will be excited and transit to higher energy level.When these loads
When stream comes back to originally relatively low energy level, the visible ray of fixed wave length will be sent.Compared to traditional fluorescent material, amount
The advantage of son point is：Emission wavelength can be regulated and controled by the size of quantum dot, and lateral size of dots is smaller, the optical wavelength after exciting
Smaller, changing the chemical composition of quanta point material and the diameter of particle can make its fluorescence emission wavelengths cover whole visible spectrum
And Partial IR；With good linear optics property, performance is stable, can be subjected to it is repeated multiple times excite, with higher
Luminous efficiency；A variety of fluorescent material need not be mixed, encapsulation is simple, and cost is relatively low；Quantum dot size itself is less than visible light wave
Long, light scattering and other light loss phenomenons are less.
At present, the light source based on quantum dot excites various sizes of quantum dot fluorescence material to make using ultraviolet LED mostly
Its white-light spectrum for launching a variety of monochromatic light to be mixed to get.Entirely may be used because the emission spectrum of quantum dot can be covered in theory
See spectrum and Partial IR, and its half-breadth can be modulated by continuously changing the size of quantum dot, therefore, reasonable
In the case of choosing quanta point material and size, the light source based on quantum dot LED can obtain very continuous synthetic spectrum, be
Perfect light source for synthesizing solar spectrum or blackbody radiation spectrum.
Existing solar spectrum or blackbody radiation spectrum simulation system has two classes, and a class is using light such as xenon lamp, Metal halogen lamps
Source, coordinates some specific optical filters so that the spectrum and target optical spectrum of final output are approached.Another kind of is to use different colours
LED combination light source, be allowed to mutual compensation by adjusting the spectrum of monochromatic LED one by one, while by some specific optical filters, from
And match target optical spectrum.Patent CN200910200631 proposes the light-dimming method of a species solar spectrum LED, using integrated envelope
LED chip equipped with many different colours for covering visible-range as light source, drafted by theoretical calculation and experiment and
Multiple monochromatic LED radiation flux ratios needed for amendment simulation different-colour sunshine, so that it is each to simulate to match target optical spectrum
Plant light scene.Patent CN201210483543 proposes a kind of Sky-light Spectra analogy method based on artificial light sources, chooses
Metal halide light and is made as the main analog light source of Sky-light Spectra in the range of 400 2500 nm using great power LED
For the spectrally compensating light source in the range of 400 600 nm, corresponding optical filter is selected to the metal halogen in the range of 600 2500 nm
Compound light source light spectrum is modified, and the full spectrum sky optical analog in the range of 400 2500 nm is realized with relatively low cost.
The simulated spectra obtained using the above method is difficult to be coincide real solar spectrum or black with higher coefficient correlation
Body radiation spectrum, in fact its deviation is always larger.It is special and quantum dot LED/light source has benefited from the advantage of multispectral narrow emission
It is not that its spectrum easily adjusts the features such as controllable, performance is stable, becomes following new solar spectrum and blackbody radiation spectrum simulation system
The perfect light source of system.At present, the research for quantum dot LED is most of still in laboratory stage, but quanta point material is
Through showing good performance in an experiment, and its theoretical light efficiency is suitable with phosphorescent OLED (100 lm/W), either for one
As illumination or the simulation of special light sources all there are very big potentiality.
The content of the invention
The purpose of this utility model is to provide a kind of solar spectrum based on quantum dot LED and blackbody radiation spectrum simulation system
System,
Solar spectrum based on quantum dot LED and blackbody radiation spectrum simulation system that the utility model is provided, include light
Source module, light adjusting system, condenser lens, light-mixing machine and light-distribution lens group；Wherein, the light source module is individual comprising K (K >=10)
Monochromatic light quanta point LED/light source or ultraviolet LED light source with different peak wavelengths, are converged at monochromatic light by condenser lens
Light-mixing machine at condenser lens public focus, then monochromatic light is mixed into wavelength in 200 1200 nm by the light-mixing machine
In the range of simulated solar irradiation or simulation black matrix radiant light, finally by outgoing after light-distribution lens group；Due to quantum dot LED/light source
Have the advantages that peak wavelength is controllable and half value full duration is modulated, after multiple monochromatic light quanta point LED/light source synthesis
Spectrum is high relative to the degree of fitting of true solar spectrum or blackbody radiation spectrum.
In the light source module, the peak wavelength of each monochromatic light quanta point LED/light source in the range of 380 1200 nm,
One interval is determined in the range of 380 1200 nm according to the wave-length coverage of target optical spectrum, makes each quantum dot LED
The peak wavelength distribution of light source is in the interval.
When the wave-length coverage part of the target optical spectrum includes 200 380 nm, it can be existed using several peak wavelengths
Ultraviolet LED light source in the range of 200 380 nm, it is therefore an objective to compensate missing of the quantum dot LED/light source in ultraviolet band.
Light source in the light source module can be quantum dot LED packaging groups, ultraviolet LED excitation source+quantum dot
Fluorescent plate, or ultraviolet LED packaging.
The light source be quantum dot LED packagings when, comprising heat sink, UV LED chip, quantum dot fluorescence bisque, thoroughly
Mirror and encapsulating material etc..
When the light source is ultraviolet LED excitation source+quantum dot fluorescence plate, being scribbled on each quantum dot fluorescence plate has
The quantum dot fluorescence powder of different emission, the quantum dot fluorescence powder is excited by corresponding ultraviolet LED excitation source and sends each
Plant monochromatic light.
When the light source is ultraviolet LED packaging, its peak wavelength is in the range of 200 380 nm, and encapsulating material can
To be inorganic material (SiO2) or silicones.
Each light source is equipped with a condenser lens in the light source module, and the focus of the condenser lens is all in institute
The entrance port position of light-mixing machine is stated, after condenser lens of the monochromatic light that each light source is sent through each being equipped with is focused on, institute is converged to
State light-mixing machine entrance port and these monochromatic light are mixed into close to target optical spectrum by light-mixing machine and synthesize light.
The light-distribution lens group carries out optical design to obtain required light distribution according to concrete application demand.
The application demand of the solar spectrum and blackbody radiation spectrum simulation system based on quantum dot LED is specially the sun
During simulator, the light-distribution lens group is designed as converting incident light into outgoing after directional light.
The light adjusting system is using direct current (DC) light modulation, pulse width modulation (PWM) light modulation or liquid crystal light modulation glass control
Make the radiation flux of each light source.
When the light adjusting system is dimmed using direct current (DC), the radiation of each light source is controlled to lead to by changing size of current
Amount.
When the light adjusting system is dimmed using pulse width modulation (PWM), each is controlled by changing pulse duty factor
The radiation flux of light source.
When the light adjusting system uses liquid crystal light modulation glass, sandwiched between each light source and the condenser lens being furnished with it
One liquid-crystalline glasses unit, by coordination electrode changes the voltage at liquid-crystalline glasses unit two ends come the transmission of adjustable liquid crystal display glass unit
Rate, so as to control the radiation flux of each light source.
The light modulation number for the blackbody radiation spectrum for covering different solar spectrums or different-colour more is prefixed in the light adjusting system
According to, can quickly dim according to demand, driving light source die be combined into required spectrum.
The light modulation data of the blackbody radiation spectrum of the different solar spectrums or different-colour simulated by theoretical calculation and
Amendment gained, it is the result of field survey, the black body radiation light of different-colour as the different solar spectrums spectrum of light modulation target
Compose the result of calculation for planck formula.
Compared with existing solar spectrum and blackbody radiation spectrum simulation system, the utility model has the advantage that：
Solar spectrum and blackbody radiation spectrum simulation system of the present utility model based on quantum dot LED, due to quantum dot
LED/light source peak wavelength can control and the modulated advantage of half value full duration, and the spectrum after synthesis is relative to true solar spectrum
Or the degree of fitting of blackbody radiation spectrum is high.
Solar spectrum and blackbody radiation spectrum simulation system of the present utility model based on quantum dot LED, use quantum dot
LED is as light source, and its principle is lighted using ultraviolet LED excitation quantum dot fluorescent powder, it is to avoid the color drift of conventional fluorescent powder and
The problems such as light decay is inconsistent, it is ensured that the colour stability of spectrum simulation system.
Solar spectrum and blackbody radiation spectrum simulation system of the present utility model based on quantum dot LED, in synthesis target
During the visible light part of spectrum, the peak wavelength distribution of monochromatic quantum dot LED/light source is in the range of 380 780 nm, by reasonable
The radiation flux of each quantum dot LED/light source is adjusted, the colour rendering index R1 R15 for synthesizing light can be caused all greater than 96.It is resonable
Think that light is synthesized under performance is more than 0.99 with correlation coefficient r of the target optical spectrum in 400 730 nm, colour temperature deviation delta CCT is small
In 100 K, general colour rendering index Ra is more than 98, and special colour rendering index R1 R15 are all higher than 96, and color tolerance SDCM is less than 1.Much
Better than current existing solar spectrum or blackbody radiation spectrum simulation system.
Brief description of the drawings
Fig. 1 is the system 3 d effect graph of embodiment 1.
Fig. 2 is the system profile of embodiment 1.
Fig. 3 is the system 3 d effect graph of embodiment 2.
Fig. 4 is the system profile of embodiment 2.
Fig. 5 is the system 3 d effect graph of embodiment 3.
Fig. 6 is the system profile of embodiment 3.
Fig. 7 is the relative spectral power distribution figure of quantum dot LED/light source in embodiment 1.
Fig. 8 is quantum dot LED synthetic spectrums and 2700 K black body-line comparison diagrams in embodiment 1.
Fig. 9 is quantum dot LED synthetic spectrums and 3000 K black body-line comparison diagrams in embodiment 1.
Figure 10 is quantum dot LED synthetic spectrums and 3500 K black body-line comparison diagrams in embodiment 1.
Figure 11 is quantum dot LED synthetic spectrums and 4000 K black body-line comparison diagrams in embodiment 1.
Figure 12 is quantum dot LED synthetic spectrums and 4500 K black body-line comparison diagrams in embodiment 1.
Figure 13 is quantum dot LED synthetic spectrums and 5000 K black body-line comparison diagrams in embodiment 1.
Figure 14 is quantum dot LED synthetic spectrums and 5500 K black body-line comparison diagrams in embodiment 1.
Figure 15 is quantum dot LED synthetic spectrums and 6000 K black body-line comparison diagrams in embodiment 1.
Figure 16 is quantum dot LED synthetic spectrums and 6500 K black body-line comparison diagrams in embodiment 1.
Embodiment
Embodiments described below is only section Example of the present utility model.Based on the embodiment in the utility model
And other all embodiments for not making creative achievement, belong to protection domain of the present utility model.
Embodiment 1：Ultraviolet LED excitation light source+quantum dot fluorescence plate+is not focused+120 ° of (black body radiation simulated lights of beam angle
Source).
Embodiment 2：Quantum dot LED packagings+do not focus+directional light (solar simulator).
Embodiment 3：Ultraviolet LED encourages light source+quantum dot fluorescence plate+focusing+directional light (solar simulator).
Embodiment 1：
Embodiment 1 is the black body radiation analog light source that a kind of light source is ultraviolet LED excitation source+quantum dot fluorescence plate, bag
Module containing light source, light adjusting system, condenser lens, light-mixing machine and light-distribution lens group.Light source module has different peak values comprising 25
The monochromatic light quanta point LED/light source of wavelength, its arrangement mode is 5 × 5 array type arrangements.Drive each light respectively by light adjusting system
Source lights, and each light source is equipped with a condenser lens.The focus of all condenser lenses is in same position, and light-mixing machine enters
Loophole is also at the position.The monochromatic light that each light source is sent is converged to mixed in focal point by its condenser lens being furnished with
Light device entrance port, is mixed different monochromatic light by light-mixing machine, is finally synthesizing after light completes light intensity distribution by light-distribution lens group
Penetrate, as shown in Figure 1.
The peak wavelength of light source is uniformly distributed in the range of 380 780 nm, sets peak value ripple by interval of 20 nm here
It is long, thus including at least peak wavelength be 380,400,420,440,460,480,500,520,540,560,580,600,620,
640th, each one of 660,680,700,720,740,760,780 nm quantum dot LED/light source.
The controls such as light adjusting system and driving element are mountable to the lower section of quantum dot LED light source matrix, as shown in Figure 2.
When mounted, the normal of light source exiting surface is without condenser lens for 5 × 5 array type arrangement light sources described in this
Focus.The light source of diverse location is mounted side by side, and its exiting surface direction is identical, as shown in Fig. 2 therefore each light source is furnished with
Condenser lens need to carry out single optical design, the light source emergent light of diverse location could be caused all to focus on light-mixing machine and enter
The position of loophole.
The present embodiment is specially a kind of black body radiation analog light source, and its light-distribution lens group is designed as converting incident light into light
Beam angle is 120 ° of emergent light, as shown in Figure 2.
Thus implementation is obtained a kind of solar spectrum and blackbody radiation spectrum simulation system based on quantum dot LED,
The radiation flux of each quantum dot LED/light source is adjusted by light adjusting system, can be with ideal simulation solar spectrum or black matrix
Radiation spectrum.According to the different peak wavelength quantum dot LED of experiment measurement relative spectral power distribution, with certain radiation flux ratio
Example the spectrum of these monochromatic light quanta point LED/light sources is synthesized, obtained 2700 K, 3000 K, 3500 K, 4000 K,
4500 K, 5000 K, 5500 K, 6000 K, 6500 K blackbody radiation spectrum analog result, as shown in Figure 11 19.It is simulated
Effect is as shown in table 1：
The quantum dot LED synthetic spectrums of table 1 are compared with blackbody radiation spectrum
It should be noted that correlation coefficient r is only calculated in the range of 400 730 nm.If desired managed in a wider context
The coefficient correlation thought, then need to increase the span of quantum dot LED/light source peak wavelength.
The synthetic spectrum of the present embodiment is more than 0.99, color with correlation coefficient r of each target optical spectrum in 400 730 nm
Warm deviation delta CCT is less than 60 K, and colour rendering index Ra is more than 98, and it is all big that the 9th kind of special colour rendering index R9 is more than 96, R1 R15
It is less than 1 in 96, SDCM, far superior to current existing solar spectrum or blackbody radiation spectrum simulation system.
Embodiment 2：
Embodiment 2 is the solar simulator that a kind of light source is quantum dot LED packagings, includes light source module, light modulation
System, condenser lens, light-mixing machine and light-distribution lens group.Light source module includes 25 monochromatic light quantum with different peak wavelengths
Point LED/light source, its arrangement mode is 5 × 5 array type arrangements.Drive each light source luminescent respectively by light adjusting system, each light
Source is equipped with a condenser lens.The focus of all condenser lenses is in same position, and light-mixing machine entrance port is also at the position
Put.The monochromatic light that each light source is sent converges to the light-mixing machine entrance port in focal point by its condenser lens being furnished with, by
Light-mixing machine mixes different monochromatic light, is finally synthesizing light and completes outgoing after light intensity distribution by light-distribution lens group, as shown in Figure 4.
The peak wavelength of light source is uniformly distributed in the range of 380 780 nm, sets peak value ripple by interval of 25 nm here
It is long, thus including at least peak wavelength be 380,405,430,455,480,505,530,555,580,605,630,655,680,
705th, each one of 730,755,780 nm quantum dot LED/light source.
The controls such as light adjusting system and driving element are mountable to the lower section of quantum dot LED light source matrix, herein no longer accompanying drawing
Explanation.
When mounted, the normal of light source exiting surface is without condenser lens for 5 × 5 array type arrangement light sources described in this
Focus.The light source of diverse location is mounted side by side, and its exiting surface direction is identical, as shown in Fig. 2 therefore each light source is furnished with
Condenser lens need to carry out single optical design, the light source emergent light of diverse location could be caused all to focus on light-mixing machine and enter
The position of loophole.
The present embodiment is specially a kind of solar simulator, thus light-distribution lens group be designed as converting incident light into it is parallel
Outgoing after light, as shown in Figure 4.
Embodiment 3：
Embodiment 3 is a kind of light source for ultraviolet LED excitation source+quantum dot fluorescence plate and ultraviolet LED packaging too
Sunlight simulator, includes light source module, light adjusting system, condenser lens, light-mixing machine and light-distribution lens group.Light source module includes 25
Monochromatic light quanta point LED/light source (ultraviolet LED module+quantum dot fluorescence module) with different peak wavelengths, its arrangement mode
Arranged for circular ring type, 25 quantum dot LED/light sources are equably distributed along an annulus.Drive each light source respectively by light adjusting system
Luminous, each light source is equipped with a condenser lens.The focus of all condenser lenses is in same position, and light-mixing machine is incident
Mouth is also at the position.The monochromatic light that each light source is sent converges to the mixed light in focal point by its condenser lens being furnished with
Device entrance port, is mixed different monochromatic light by light-mixing machine, is finally synthesizing light and is completed outgoing after light intensity distribution by light-distribution lens group,
As shown in Figure 7.
The peak wavelength of light source is uniformly distributed in the range of 280 900 nm, it is seen that spectrum and infrared spectrum part usage amount
Son point LED/light source, ultraviolet spectra part uses ultraviolet LED packaging, sets peak wavelength by interval of 25 nm here, because
This comprise at least peak wavelength be 380,405,430,455,480,505,530,555,580,605,630,655,680,705,
730th, each one of 755,780,805,830,855,880 nm quantum dot LED/light source and peak wavelength be 280,305,330,
Each one of 355 nm ultraviolet LED packaging.
The controls such as light adjusting system and driving element are mountable to the circular annular region center surrounded by quantum dot LED/light source,
As shown in Figure 8.
When mounted, the normal of light source exiting surface passes through Jiao of condenser lens to circular arrangement light source described in this
Point.The light source of diverse location is installed on using condenser lens focus as the sphere in the center of circle, its exiting surface towards condenser lens focus,
As shown in figure 9, therefore all condenser lenses are identical, it is only necessary to which carrying out optical design to a condenser lens can apply
To whole so that the light source emergent light of diverse location all focuses on the position of light-mixing machine entrance port.
The present embodiment is specially a kind of solar simulator, thus light-distribution lens group be designed as converting incident light into it is parallel
Outgoing after light, as shown in Figure 6.
Claims (9)
1. a kind of solar spectrum and blackbody radiation spectrum simulation system based on quantum dot LED, it is characterised in that include light source die
Group, light adjusting system, condenser lens, light-mixing machine and light-distribution lens group, using quantum dot LED/light source peak wavelength is controllable, half value
The characteristics of full duration is modulated, the simulated solar irradiation of high degree of fitting is mixed to get using multiple monochromatic light quanta point LED/light sources
Spectrum or blackbody radiation spectrum；Wherein：
The light source module includes K individual monochromatic light quanta point LED/light source or ultraviolet LED light source with different peak wavelengths, leads to
The light-mixing machine that over-focusing lens converge at monochromatic light at condenser lens public focus, then by the light-mixing machine by monochromatic light
Simulated solar irradiation or simulation black matrix radiant light of the wavelength in the range of 200 1200 nm are mixed into, finally by light-distribution lens group
Outgoing afterwards；K≥10；
The peak wavelength of the monochromatic light quanta point LED/light source is in the range of 380 1200 nm, the peak of the ultraviolet LED light source
It is worth wavelength in 200 380 nm.
2. solar spectrum and blackbody radiation spectrum simulation system according to claim 1 based on quantum dot LED, its feature
It is, the light source in the light source module is quantum dot LED packaging groups, or ultraviolet LED excitation source+quantum dot is glimmering
Tabula rasa, or ultraviolet LED packaging.
3. solar spectrum and blackbody radiation spectrum simulation system according to claim 2 based on quantum dot LED, its feature
It is, the quantum dot LED packagings include heat sink, UV LED chip, quantum dot fluorescence bisque, lens and encapsulating material.
4. solar spectrum and blackbody radiation spectrum simulation system according to claim 2 based on quantum dot LED, its feature
It is, the ultraviolet LED excitation source and quantum dot fluorescence plate, is scribbled on each of which quantum dot fluorescence plate with different transmittings
The quantum dot fluorescence powder of wavelength, the quantum dot fluorescence powder is excited by corresponding ultraviolet LED excitation source and sends various monochromatic light.
5. solar spectrum and blackbody radiation spectrum simulation system according to claim 2 based on quantum dot LED, its feature
It is, the ultraviolet LED packaging, its encapsulating material is inorganic material, or silicones.
6. solar spectrum and blackbody radiation spectrum simulation system according to claim 1 based on quantum dot LED, its feature
It is, each light source is equipped with a condenser lens in the light source module, and the focus of the condenser lens is all in described
The entrance port position of light-mixing machine, after condenser lens of the monochromatic light that each light source is sent through each being equipped with is focused on, is converged to described
Light-mixing machine entrance port is simultaneously mixed these monochromatic light by light-mixing machine.
7. solar spectrum and blackbody radiation spectrum simulation system according to claim 1 based on quantum dot LED, its feature
It is, the light-distribution lens group carries out optical design to obtain required light distribution according to concrete application demand.
8. solar spectrum and blackbody radiation spectrum simulation system according to claim 7 based on quantum dot LED, its feature
It is, the light of light-mixing machine outgoing is converted into directional light by described light-distribution lens group, will with the application for meeting solar simulator
Ask.
9. solar spectrum and blackbody radiation spectrum simulation system according to claim 1 based on quantum dot LED, its feature
It is, the light adjusting system controls each using direct current DC light modulations, pulse width modulation (PWM) light modulation or liquid crystal light modulation glass
The radiation flux of light source；Wherein：
Described direct current DC light modulations, the radiation flux of each light source is controlled by changing size of current；
Described pulse width modulation (PWM) light modulation, the radiation flux of each light source is controlled by changing pulse duty factor；
Described liquid crystal light modulation glass, is clipped between light source and the condenser lens being furnished with it, and liquid crystal glass is changed by coordination electrode
The voltage at glass unit two ends carrys out the transmitance of adjustable liquid crystal display glass unit, so as to control the radiation flux of each light source.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764691A (en) * | 2016-12-31 | 2017-05-31 | 复旦大学 | A kind of solar spectrum and blackbody radiation spectrum simulation system based on quantum dot LED |
| CN111854951A (en) * | 2020-06-02 | 2020-10-30 | 复旦大学 | Optimization method for fitting target spectrum by N (N is more than or equal to 20) primary color spectrum |
-
2016
- 2016-12-31 CN CN201621485115.5U patent/CN206361522U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764691A (en) * | 2016-12-31 | 2017-05-31 | 复旦大学 | A kind of solar spectrum and blackbody radiation spectrum simulation system based on quantum dot LED |
| CN111854951A (en) * | 2020-06-02 | 2020-10-30 | 复旦大学 | Optimization method for fitting target spectrum by N (N is more than or equal to 20) primary color spectrum |
| CN111854951B (en) * | 2020-06-02 | 2022-09-16 | 复旦大学 | Optimization method for fitting target spectrum by N (N is more than or equal to 20) primary color spectrum |
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