Bio-friendly light spectrum LED light source for work and office environments, and manufacturing method therefor

Abstract

A bio-friendly light spectrum LED light source for work and office environments, and a manufacturing method therefor. The bio-friendly light spectrum LED light source for work and office environments comprises a plurality of LED wafers, a mount (15), and a fluorescent adhesive (16); the mount is provided with a bowl cup (14), and positive and negative electrodes (10); the plurality of LED wafers are all arranged in the bowl cup, and are connected to the positive and negative electrodes by means of gold wire bonding; the fluorescent adhesive is applied to each LED wafer; the plurality of LED wafers include a first LED wafer (11), a second LED wafer (12), and a third LED wafer (13). The color temperature of the bio-friendly light spectrum LED light source for work and office environments is 4,800-6,300K, a color temperature value point is controlled between a Duv=0.01 curve and a Duv=0.001 curve, the luminous efficacy of radiation (LER) of the light source is higher than the LER of sunlight having the same color temperature by 3% or above, the S / P ratio and M / P ratio of the light source are basically equal to the S / P ratio and M / P ratio of the sunlight having the same color temperature, and the spectrum similarity index (SSI) (480-830nm) of the light source and the sunlight having the same color temperature is greater than 95.

Description

Working office state biological light spectrum LED light source and preparation method thereof TECHNICAL FIELD

[0001] The present application relates to the technical field of LED, in particular to a working office state biological light spectrum LED light source and preparation method thereof. BACKGROUND

[0002] The traditional LED light source has the problem of damaging the retina by short-wave blue light in visual effect, and brings the problem of physiological rhythm disorder in non-visual effect. SUMMARY

[0003] To solve the above-mentioned problems existing in the prior art, the present application provides a working office state biological light spectrum LED light source and preparation method thereof, which can reduce the proportion of harmful short-wave blue light, relieve visual fatigue, similar to sunlight spectrum, and adjust the normal physiological rhythm of human beings.

[0004] The present application adopts the following technical scheme to solve the above technical problems: a working office state biological light spectrum LED light source, comprising a plurality of LED chips, a bracket and fluorescent glue, the bracket has a bowl cup and positive and negative electrodes, a plurality of the LED chips are arranged in the bowl cup, and each of the LED chips is connected with the positive and negative electrodes through gold wire bonding, and the fluorescent glue is coated on each of the LED chips.

[0005] The plurality of LED chips include a first LED chip with a main wavelength of 440-445nm, a second LED chip with a main wavelength of 452-458nm and a third LED chip with a main wavelength of 465-470nm, and the naked crystal peak spectrum energy ratio of the first LED chip, the second LED chip and the third LED chip is e (440-445nm): Φ e (452-458nm): Φ e (465-470nm)=(0.4-0.7):(0.8-1.0):(0.6-1.0);

[0006] The color temperature of the working office state biological light spectrum LED light source is between 4800-6300K, the landing point is controlled between the Duv=0.01 curve and the Duv=0.001 curve, the LER light efficiency is more than 3% higher than that of the same color temperature sunlight, the S / Pratio is basically the same as the M / P ratio of the same color temperature sunlight, and the spectral similarity SSI(480-830nm) with the same color temperature sunlight spectrum is more than 95.

[0007] A preparation method of a working office state biological light spectrum LED light source, comprising the following steps:

[0008] S100: disposing the first LED wafer, the second LED wafer and the third LED wafer in the bowl cup, and fixing them on the support by die bonding machine through insulating glue or silver glue, and after die bonding, baking in an oven at a temperature of 150-160 DEG C for 2h+10min, so that the first LED wafer, the second LED wafer and the third LED wafer are completely fixed in the bowl cup;

[0009] S200: by gold wire welding machine, using gold wire bonding to make the first LED wafer, the second LED wafer and the third LED wafer connected with the positive and negative electrodes;

[0010] S300: preparing a fluorescent glue solution, which is mixed by glue, blue-green powder, red powder and infrared fluorescent powder;

[0011] S400: pouring the prepared fluorescent glue solution into the glue barrel of the glue dispensing machine, and after glue and bubble dispensing, dispensing the fluorescent glue solution in the bowl cup according to the color parameter requirements, and after dispensing, baking under the condition of 80 DEG C / 0.5H+160 DEG C / 4H;

[0012] S500: after the baked LED light source is degerminated, the light spectrum is tested by the given requirement color parameter spectrometer, so that the light color quality formed in the bowl cup meets the S / P ratio and M / P ratio, and the same color temperature sunlight is basically flat, the color temperature meets the specified chromaticity standard color temperature, the chromaticity coordinate meets the 3 order color tolerance chromaticity standard, the similarity coefficient SSI(480-830nm) of the same color temperature sunlight spectrum is greater than 95, and the blue light hazard efficiency K B，V is lower than that of the same color temperature sunlight. B，V , which meets the blue light exemption RG0 standard.

[0013] Compared with the prior art, the working office state biological light spectrum LED light source can simulate the sunlight spectrum, the S / P ratio (dark photopic brightness ratio) is basically flat with the same color temperature sunlight, that is, the infrared component is high, close to the sunlight, which is beneficial to the eye relaxation angle and plays a comfortable and healthy light environment; the M / P ratio (non-photopic brightness ratio) is basically flat with the same color temperature sunlight, which can inhibit the secretion of melatonin and play a role in improving attention and learning ability; at the same time, the MDER, melanopsin equivalent daylight efficiency is flat with the same color temperature sunlight, which is beneficial to the eye relaxation and clearer vision; the crop photon utilization rate is high, the German standard crop photon utilization rate is high, the chlorophyll utilization rate is basically flat with the same color temperature sunlight, which is beneficial to the growth and development of plants. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a structural schematic diagram of the working office state biological light spectrum LED light source provided by the embodiment of the present application.

[0015] Figure 2 is a cross-sectional view of the working office state biological light spectrum LED light source according to an embodiment of the present application.

[0016] Figure 3 is a comparison chart of the working office state biological light spectrum LED light source according to an embodiment of the present application and the 5000K sunlight spectrum.

[0017] Figure 4 is a comparison chart of the working office state biological light spectrum LED light source according to an embodiment of the present application and the 5000K sunlight spectrum power distribution curve.

[0018] Figure 5 is a comparison chart of the working office state biological light spectrum LED light source according to an embodiment of the present application and the 5000K sunlight spectrum blue light hazard efficiency K B，V Comparison chart.

[0019] Figure 6 is a spectrum similarity calculation chart of the working office state biological light spectrum LED light source according to an embodiment of the present application and the 5000K sunlight spectrum SSI (350-830nm).

[0020] Figure 7 is a spectrum similarity calculation chart of the working office state biological light spectrum LED light source according to an embodiment of the present application and the 5000K sunlight spectrum SSI (430-690nm).

[0021] Figure 8 is a spectrum similarity calculation chart of the working office state biological light spectrum LED light source according to an embodiment of the present application and the 5000K sunlight spectrum (430-830nm).

[0022] Figure 9 is a spectrum similarity calculation chart of the working office state biological light spectrum LED light source according to an embodiment of the present application and the 5000K sunlight spectrum (480-830nm).

[0023] Figure 10 is a television lighting index TLCI-2012 chart of the working office state biological light spectrum LED light source according to an embodiment of the present application.

[0024] Figure 11 is a test report chart of the working office state biological light spectrum LED light source according to an embodiment of the present application.

[0025] Figure 12 is a plant lighting calculation comparison chart of the working office state biological light spectrum LED light source according to an embodiment of the present application.

[0026] Figure 13 is a comparison chart of the working office state biological light spectrum LED light source according to an embodiment of the present application and the 5000K sunlight spectrum spectrum plant chlorophyll a, b utilization rate calculation results.

[0027] Figure 14 is a medical and aesthetic lighting calculation comparison chart of the working office state biological light spectrum LED light source according to an embodiment of the present application.

[0028] Figure 15 is a comparison chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention and the 5600K sunlight spectrum.

[0029] Figure 16 is a comparison chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention and the 5600K sunlight spectrum power distribution curve.

[0030] Figure 17 is a comparison chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention and the 5600K sunlight spectrum blue light hazard efficiency K B，V for comparison.

[0031] Figure 18 is a comparison chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention and the 5600K sunlight spectrum SSI (350-830nm) spectral similarity calculation.

[0032] Figure 19 is a comparison chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention and the 5600K sunlight spectrum SSI (430-830nm) spectral similarity calculation.

[0033] Figure 20 is a comparison chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention and the 5600K sunlight spectrum SSI (430-690nm) spectral similarity calculation.

[0034] Figure 21 is a comparison chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention and the 5600K sunlight spectrum SSI (480-830nm) spectral similarity calculation.

[0035] Figure 22 is a TLCI-2012 chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention.

[0036] Figure 23 is a test report chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention.

[0037] Figure 24 is a plant lighting calculation comparison chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention.

[0038] Figure 25 is a comparison chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention and the 5600K sunlight spectrum spectral plant chlorophyll a, b utilization rate calculation results.

[0039] Figure 26 is a medical and beauty lighting calculation comparison chart of the operational office state biologically light spectrum LED light source of embodiment two of the present invention.

[0040] Figure 27 is a comparison chart of the operational office state biologically light spectrum LED light source of embodiment three of the present invention and the 6000K sunlight spectrum.

[0041] Figure 28 is a plot of the spectral power distribution of the working office state bioluminous spectrum LED light source of embodiment three compared to the 6000K solar spectrum.

[0042] Figure 29 is a plot of the blue light hazard efficiency of the working office state bioluminous spectrum LED light source of embodiment three compared to the 6000K solar spectrum. B，V Figure 30 is a plot of the spectral similarity calculation of the working office state bioluminous spectrum LED light source of embodiment three compared to the 6000K solar spectrum SSI (350-830nm).

[0043] Figure 31 is a plot of the spectral similarity calculation of the working office state bioluminous spectrum LED light source of embodiment three compared to the 6000K solar spectrum SSI (350-830nm).

[0044] Figure 32 is a plot of the spectral similarity calculation of the working office state bioluminous spectrum LED light source of embodiment three compared to the 6000K solar spectrum SSI (430-830nm).

[0045] Figure 33 is a plot of the spectral similarity calculation of the working office state bioluminous spectrum LED light source of embodiment three compared to the 6000K solar spectrum SSI (480-690nm).

[0046] Figure 34 is a plot of the television lighting index TLCI-2012 of the working office state bioluminous spectrum LED light source of embodiment three.

[0047] Figure 35 is a plot of the test report of the working office state bioluminous spectrum LED light source of embodiment three.

[0048] Figure 36 is a plot of the plant lighting calculation comparison of the working office state bioluminous spectrum LED light source of embodiment three.

[0049] Figure 37 is a plot of the spectral plant chlorophyll a, b utilization calculation results of the working office state bioluminous spectrum LED light source of embodiment three compared to the 6000K solar spectrum.

[0050] Figure 38 is a plot of the medical aesthetic lighting calculation comparison of the working office state bioluminous spectrum LED light source of embodiment three.

[0051] Figure 39 is a plot of the bare die spectral power distribution of the working office state bioluminous spectrum LED light source of the present invention.

[0052] Figure 40 is a plot of the binning of the working office state bioluminous spectrum LED light source of embodiments one through four of the present invention.

[0053] Figure 40 is a plot of the binning of the working office state bioluminous spectrum LED light source of embodiments one through four of the present invention.

[0054] 10 - positive and negative poles 11 - first LED chip 12 - second LED chip 13 - third LED chip 14 - bowl cup 15 - bracket 16 - fluorescent glue. DETAILED DESCRIPTION

[0055] The technical solutions of the present application will be further described in detail below in combination with the accompanying drawings 1-40. It should be understood that these embodiments are only used to illustrate the present application and not to limit the scope of the present application. Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for clarity, and those skilled in the art should consider the specification as a whole, and the embodiments can also be appropriately combined to form other embodiments that those skilled in the art can understand.

[0056] It should be noted that the blue light hazard efficiency K B，V can be calculated, that is, the ratio of the blue light hazard weighted luminance L B to the corresponding luminous quantity, and the calculation formula is

[0057] Wherein, K m =683 lm / W, V(λ) is the spectral luminous efficiency (or visual function), and B(λ) is the blue light hazard weighting function. K B，V characterizes the relative value of the blue light component in the visible radiation, and under the condition that the brightness of the lighting product is the same, the higher K B，V , the greater the possibility of retinal damage of the light source.

[0058] As shown in FIGS. 1-2, the working office state biological light spectrum LED light source provided by the embodiment of the present application comprises a plurality of LED chips, a bracket, and fluorescent glue, the bracket has a bowl cup and positive and negative poles, a plurality of the LED chips are arranged in the bowl cup, and each of the LED chips is connected with the positive and negative poles through gold wire bonding, and the fluorescent glue is coated on each of the LED chips.

[0059] The plurality of LED chips comprise a first LED chip with a main wavelength of 440-445 nm, a second LED chip with a main wavelength of 452-458 nm, and a third LED chip with a main wavelength of 465-470 nm.

[0060] As shown in FIG. 39, in the working office state biological light spectrum LED light source of the present application, the ratio of the peak spectral energy of the bare chips of the first LED chip, the second LED chip, and the third LED chip is e (440-445 nm): F e (452-458 nm): Fe (465-470nm) = (0.4-0.7) : (0.8-1.0) : (0.6-1.0). Specifically, the bare die peak spectral energy ratios of the first LED wafer, the second LED wafer, and the third LED wafer are Ф e (440-445nm) : Ф e (452-458nm) : Ф e (465-470nm) = 0.4 : 0.8 : 0.6 or 0.7 : 1.0 : 1.0 or 0.6 : 0.9 : 0.8.

[0061] As shown in FIG. 40, the color temperature of the working office state biological light spectrum LED light source of the embodiment is between 4800-6300K, the landing point is controlled between the Duv=0.01 curve and the Duv=0.001 curve, the LER light efficiency is more than 6% higher than that of the same color temperature sunlight, the S / P ratio and the M / P ratio are basically the same as those of the same color temperature sunlight, and the spectral similarity SSI (480-830nm) is greater than 95% similar to that of the same color temperature sunlight.

[0062] The working office state biological light spectrum LED light source of the embodiment has the S / P ratio (dark photopic brightness ratio) basically the same as that of the same color temperature sunlight, is beneficial to eye relaxation angle, and plays a role of comfortable and healthy light environment; the M / P ratio (non-photopic brightness ratio) is basically the same as that of the same color temperature sunlight, inhibits the secretion of melatonin, and can play a role of improving attention and learning ability; at the same time, the MDER, melanopsin equivalent daylight efficiency is the same as that of the same color temperature sunlight, is beneficial to eye relaxation, and the visual field is clearer; the crop photon utilization rate is high, the German standard crop photon utilization rate is high, the chlorophyll utilization rate is basically the same as that of the same color temperature sunlight, and is beneficial to plant growth and development. The cytochrome C oxidase activity activation energy is more than 30%, which can better promote metabolism. Deeply stimulates the skin, and the light utilization rate is more than 49%. Physical physiotherapy can be enjoyed during office work.

[0063] The working office state biological light spectrum LED light source of the embodiment is described in detail in the following four embodiments.

[0064] Embodiment one.

[0065] The working office state biological light spectrum LED light source of the embodiment is further described in combination with FIGS. 3-14 and 39-40.

[0066] The fluorescent glue is formed by preparing a 5000K fluorescent glue solution, which is formed by mixing glue and blue-green powder with an emission wavelength of 490-500nm, green powder with an emission wavelength of 535-545nm, red powder with an emission wavelength of 630-640nm, red powder with an emission wavelength of 655-665nm, infrared fluorescent powder with an emission wavelength of 725-735nm and infrared fluorescent powder with an emission wavelength of 830-850nm.

[0067] Further, the mass ratio of the 5000K fluorescent glue solution is glue: blue-green powder with an emission wavelength of 490-500nm: green powder with an emission wavelength of 535-545nm: red powder with an emission wavelength of 630-640nm: red powder with an emission wavelength of 655-665nm: infrared fluorescent powder with an emission wavelength of 725-735nm: infrared fluorescent powder with an emission wavelength of 830-850nm = 3:(0.3-0.5):(0.6-0.8):(0.04-0.06):(0.03-0.05):(0.6-0.9):(0.2-0.5). Specifically, the mass ratio of glue: blue-green powder with an emission wavelength of 490-500nm: green powder with an emission wavelength of 535-545nm: red powder with an emission wavelength of 630-640nm: red powder with an emission wavelength of 655-665nm: infrared fluorescent powder with an emission wavelength of 725-735nm: infrared fluorescent powder with an emission wavelength of 830-850nm can be 3:0.3:0.6:0.04:0.03:0.6:0.2 or 3:0.5:0.8:0.06:0.05:0.9:0.5 or 3:0.4:0.7:0.05:0.04:0.8:0.3.

[0068] In the embodiment, the blue-green powder with an emission wavelength of 490-500nm is Lu3Al5O 12 :Ce 3+ component, and the half wave width is 80-90nm; specifically, the half wave width is 80nm, 85nm or 90nm.

[0069] The green powder with an emission wavelength of 535-545nm is Lu3Al5O 12 :Ce 3+ component, and the half wave width is 95-105nm; specifically, the half wave width is 95nm, 100nm or 105nm.

[0070] The red powder with an emission wavelength of 630-640nm is CaAlSiN3:Eu component, and the half wave width is 60-80nm; specifically, the half wave width is 60nm, 70nm or 80nm.

[0071] The red phosphor with an emission wavelength of 655-665 nm is CaAlSiN3:Eu, and the half wave width is 95-105 nm; specifically, the half wave width is 95 nm, 100 nm or 105 nm.

[0072] The infrared phosphor with an emission wavelength of 725-735 nm is Ga4GeO8:Cr 3+ , and the half wave width is 140-160 nm; specifically, the half wave width is 140 nm, 150 nm or 160 nm.

[0073] The infrared phosphor with an emission wavelength of 830-850 nm is Ga4GeO8:Cr 3+ , and the half wave width is 140-160 nm; specifically, the half wave width is 140 nm, 150 nm or 160 nm.

[0074] In combination with FIG. 3, the light color quality of the 5000K spectral LED of the working office state biological light spectral LED light source of the present embodiment meets the relative spectral height as shown in Table 1 below:

[0075] From the above Table 1 and in combination with FIG. 3, it can be seen that the working office state biological light spectral LED light source of the present embodiment has:

[0076] 1. 500-700 nm > 0.6, 700-750 nm > 0.7, 750-800 nm > 0.58, 800-850 nm > 0.40, and the peak wavelength is between 440-470 nm;

[0077] 2. Spectral content: Фe(350-399 nm): Фe(400-499 nm): Фe(500-599 nm): Фe(600-699 nm): Фe(700-1000 nm) = (0-0.1%) : (15.5%-16.5%) : (23%-24%) : (22.2%-23.2%) : (37.0%-38.0%);

[0078] 3. Blue-violet light content Фe(350-499 nm) < 16.5%;

[0079] 4. The infrared spectral component ratio is 43.69% higher than that of the same color temperature 5000K sunlight.

[0080] In the present embodiment, in combination with FIGS. 4-5, it can be seen that the blue light hazard efficiency K B，V of the working office state biological light spectral LED light source of the present embodiment is 0.000685926, which is lower than the blue light hazard efficiency K B，V of the same color temperature sunlight (K B，V / K B，V(5000K sunlight) = 93.45%, which meets the blue light exemption RG0 standard and is more healthy for the eye spectrum.

[0081] In this embodiment, as shown in FIGS. 6-9, the working office state biological light spectrum LED light source has a SSI (350-830nm) > 81, SSI (430-830nm) > 92, SSI (430-690nm) > 92, and SSI (480-830nm) > 96 excellent spectral similarity parameters, which restores the natural light color and allows people to experience nature and enjoy the sun shower. Among them, SSI (480-830nm) > 96, which is smooth and closer to the natural sunlight, makes people feel more comfortable.

[0082] Further, the light color electrical parameters of the working office state biological light spectrum LED light source of this embodiment are as shown in Table 2:

[0083] The light color parameters meet:

[0084] 1. Ra > 95, R1-15 > 90

[0085] 2. CQS (Color Quality Scale) > 95;

[0086] 3. TM-30-20, Rg > 98, Rf > 95, Rf, skin > 95;

[0087] 4. Television Lighting Index TLCI-2012 > 99;

[0088] 5. BPE (350-1000nm) luminous flux effective efficiency = BPF (luminous flux) / Ф e (light power) > 5.4 μmol / J;

[0089] 6. LER (effective light efficiency) = Ф (luminous flux) / Ф e (light power) > 190 Lm / W, which is 3.78% higher than the sunlight of 5000K (LER = 185 lm / w) of the same color temperature;

[0090] 7. COI (Cyanomethine Index) < 3.3, which meets the medical light source standard.

[0091] The working office state biological light spectrum LED light source of this embodiment has a S / P ratio, M / P ratio, and SSI (spectral similarity) as shown in Table 3:

[0092] From the above Table 3 and Fig. 10, it can be seen that the working office state biological light spectrum LED light source of the embodiment has a S / P ratio (dark photopic luminance ratio) which is about 2% higher than that of the sunlight with the same color temperature of 5000K, is conducive to relaxing the visual angle of the eye, and plays a role in comfortable and healthy light environment and clear and bright viewing. The M / P ratio (non-photopic luminance ratio) is about 2% higher than that of the sunlight with the same color temperature of 5000K, inhibits the secretion of melatonin, and is conducive to the human body being more energetic and not easily dozing off. The high SSI (350-830nm) spectral similarity, 100% reduction of natural light color, is more healthy and more ecological, SSI (480-830nm) >96 (indicating that the curve is smooth and closer to the sun's natural light, making people feel more comfortable), excellent spectral similarity parameters, restoring the color of natural light, allowing people to experience nature and enjoy the sun shower. High TLCI-2012 parameters, light on books or fonts, restoring clearer, human or equipment viewing more clearly. MDER, melanopsin equivalent daylight efficiency is higher than that of sunlight with the same color temperature of 5000K, which is conducive to relaxing the eyes and having a clearer field of view.

[0093] In combination with the following chlorophyll utilization rate comparison table 4:

[0094] In combination with Figs. 11-13, it can be seen that the working office state biological light spectrum LED light source of the embodiment has a crop photon utilization rate of >90%, a German standard crop photon utilization rate of >72%, and a chlorophyll utilization rate basically flat with sunlight with the same color temperature, which is conducive to plant growth and development (working to more easily stimulate people's mood when growing flowers and plants, making people more comfortable).

[0095] In combination with Fig. 14, it can be seen that the working office state biological light spectrum LED light source of the embodiment, when used as medical and aesthetic lighting, can achieve cytochrome C oxidase activity activation energy of more than 35%, which can better promote metabolism. Deeply stimulates the skin, and the light utilization rate reaches 57.53%, enjoying the effect of physical therapy during office work.

[0096] Embodiment two.

[0097] The working office state biological light spectrum LED light source of the embodiment is further described in combination with Figs. 15-26 and 39-40.

[0098] The fluorescent glue is formed by preparing a 5600K fluorescent glue solution, and the 5600K fluorescent glue solution is formed by mixing glue and blue-green powder with an emission wavelength of 490-500nm, green powder with an emission wavelength of 535-545nm, red powder with an emission wavelength of 630-640nm, red powder with an emission wavelength of 655-665nm, infrared fluorescent powder with an emission wavelength of 725-735nm, and infrared fluorescent powder with an emission wavelength of 830-850nm.

[0099] Further, the 5600K fluorescent glue solution has a mass ratio of glue: blue-green powder with an emission wavelength of 490-500 nm: green powder with an emission wavelength of 535-545 nm: red powder with an emission wavelength of 630-640 nm: red powder with an emission wavelength of 655-665 nm: infrared fluorescent powder with an emission wavelength of 725-735 nm: infrared fluorescent powder with an emission wavelength of 830-850 nm = 3: (0.3-0.5): (0.6-0.8): (0.02-0.04): (0.04-0.06): (0.6-0.9): (0.15-0.45). Specifically, the mass ratio of glue: blue-green powder with an emission wavelength of 490-500 nm: green powder with an emission wavelength of 535-545 nm: red powder with an emission wavelength of 630-640 nm: red powder with an emission wavelength of 655-665 nm: infrared fluorescent powder with an emission wavelength of 725-735 nm: infrared fluorescent powder with an emission wavelength of 830-850 nm can be 3:0.3:0.6:0.02:0.04:0.6:0.15 or 3:0.5:0.8:0.04:0.06:0.9:0.45 or 3:0.4:0.7:0.03:0.05:0.7:0.3.

[0100] In this embodiment, the blue-green powder with an emission wavelength of 490-500 nm is Lu3Al5O 12 :Ce 3+ component, and the half wave width is 80-90 nm; specifically, the half wave width is 80 nm, 85 nm, or 90 nm.

[0101] The green powder with an emission wavelength of 535-545 nm is Lu3Al5O 12 :Ce 3+ component, and the half wave width is 95-105 nm; specifically, the half wave width is 95 nm, 100 nm, or 105 nm.

[0102] The red powder with an emission wavelength of 630-640 nm is CaAlSiN3:Eu component, and the half wave width is 60-80 nm; specifically, the half wave width is 60 nm, 70 nm, or 80 nm.

[0103] The red powder with an emission wavelength of 655-665 nm is CaAlSiN3:Eu component, and the half wave width is 95-105 nm; specifically, the half wave width is 95 nm, 100 nm, or 105 nm.

[0104] The infrared fluorescent powder with an emission wavelength of 725-735 nm is Ga4GeO8:Cr 3+ component, and the half wave width is 140-160 nm; specifically, the half wave width is 140 nm, 150 nm, or 160 nm.

[0105] The infrared fluorescent powder with emission wavelength of 830-850 nm is Ga4GeO8:Cr 3+ The component has a half-wave width of 140-160 nm. Specifically, the half-wave width is 140 nm, 150 nm, or 160 nm.

[0106] In combination with FIG. 15, the light color quality of the 5600K spectral LED of the working office state biological light spectral LED light source of the embodiment meets the relative spectral height as shown in Table 5 below:

[0107] It can be known from the above Table 5 and in combination with FIG. 15 that the working office state biological light spectral LED light source of the embodiment has:

[0108] 1. 450-500nm>0.60, 500-700nm>0.7, 700-750nm>0.8, 750-800nm>0.6, 800-850nm>0.4, peak wavelength between 450-520nm (beneficial blue light increase, conducive to inhibiting axial elongation and relieving myopia);

[0109] 2. Spectral content: Фe(350-399nm): Фe(400-499nm): Фe(500-599nm): Фe(600-699nm): Фe(700-1000nm)=(0-0.1%):(15.8%-16.8%):(23.7%-24.7%):(21.4%-22.4%):(36.5%-38.5%);

[0110] 3. Blue-violet light content Фe(350-499nm)<16.6%;

[0111] 4. Infrared spectral component ratio is 43.69% higher than that of 5600K sunlight of the same color temperature;

[0112] 5. There is a small wave peak in the 680-800nm spectrum, and the peak wavelength is between 680-710nm, which plays a role in stimulating micro-infrared light and inhibiting axial elongation, thereby playing a role in myopia prevention and control, and the eyes are healthier;

[0113] 6. The blue-violet light component of 350-500nm is about 30% lower than that of sunlight, and the eyes are healthier.

[0114] In the embodiment, in combination with FIGS. 16-17, the blue light hazard efficiency K of the working office state biological light spectral LED light source of the embodiment is B，V =0.000673649, which is lower than the blue light hazard efficiency K B，V of the sunlight of the same color temperature (K B，V / K B，V(5600K sunlight) = 81.65%, which meets the blue light exemption RG0 standard and is more healthy for the eye spectrum.

[0115] In this embodiment, as can be known from Figs. 18-21, the working office state biological light spectrum LED light source has a spectral similarity SSI (350-830nm) > 79, SSI (430-830nm) > 93, SSI (430-690nm) > 93, SSI (480-830nm) > 95 (indicating that the curve is smooth and closer to natural sunlight, making people feel more comfortable) excellent spectral similarity parameters, restoring natural light color, allowing people to experience nature and enjoy the sun shower.

[0116] Further, the light color electrical parameters of the working office state biological light spectrum LED light source of this embodiment are as shown in Table 6:

[0117] The light color parameters meet:

[0118] 1. Ra > 95, R1-15 > 90;

[0119] 2. CQS (Color Quality Scale) > 95;

[0120] 3. TM-30-20, Rg > 98, Rf > 95, Rf, skin > 95;

[0121] 4. Television Lighting Index TLCI-2012 > 99;

[0122] 5. BPE (350-1000nm) luminous flux effective efficiency = BPF (luminous flux) / Фe (light power) > 5.40 μmol / J;

[0123] 6. LER (effective light efficiency) = Ф (luminous flux) / Фe (light power) > 190 Lm / W, which is 3.76% higher than the sunlight of the same color temperature 5600K (LER = 186 lm / w).

[0124] The working office state biological light spectrum LED light source of this embodiment has the following S / P ratio, M / P ratio and SSI (spectral similarity) with sunlight as shown in Table 7:

[0125] As shown in Table 7 and Fig. 22, the working office state biological light spectrum LED light source of the embodiment has the same S / P ratio (dark visual brightness ratio) as the sunlight with the same color temperature of 5600K, is beneficial to the eye relaxation angle, and has the comfortable and healthy light environment and clear and bright object; has the same M / P ratio (non-visual brightness ratio) as the sunlight with the same color temperature of 5600K, inhibits the secretion of melatonin, and has more abundant spirit; has high SSI (350-830nm) spectral similarity, 100% reduction of natural light color, and is more healthy and ecological; has high TLCI-2012 parameter, and the light on the book or font is restored more clearly, and the human body or device can see more clearly; has the same MDER, melanopsin equivalent daylight efficiency as the sunlight with the same color temperature of 5600K, is beneficial to the eye relaxation, and has clearer visual field.

[0126] As shown in the following chlorophyll utilization rate comparison table 8;

[0127] As shown in Figs. 24-25, the working office state biological light spectrum LED light source of the embodiment can be applied to the 5600K plant lighting field, has the crop photon utilization rate of >89%, and the German standard crop photon utilization rate of >70%. The chlorophyll utilization rate is basically the same as the sunlight with the same color temperature, is beneficial to the plant growth and development, and is more likely to stimulate the mood of the person when working on flowers and plants, and makes the person more comfortable.

[0128] As shown in Fig. 26, the working office state biological light spectrum LED light source of the embodiment has the cytochrome C oxidase activity activation energy of more than 35%, can better promote metabolism, deeply stimulates the skin, has the light utilization rate of 56.88%, is suitable for office work lighting, and achieves the effect of enjoying physical therapy.

[0129] Embodiment three.

[0130] The working office state biological light spectrum LED light source of the embodiment is further described with reference to Figs. 27-40.

[0131] The fluorescent glue is formed by preparing a 6000K fluorescent glue solution, and the 6000K fluorescent glue solution is formed by mixing glue and blue-green powder with an emission wavelength of 490-500nm, green powder with an emission wavelength of 535-545nm, red powder with an emission wavelength of 630-640nm, red powder with an emission wavelength of 655-665nm, infrared fluorescent powder with an emission wavelength of 725-735nm, and infrared fluorescent powder with an emission wavelength of 830-850nm.

[0132] Further, the 6000K fluorescent glue solution has a mass ratio of glue: blue-green powder with an emission wavelength of 490-500 nm: green powder with an emission wavelength of 535-545 nm: red powder with an emission wavelength of 630-640 nm: red powder with an emission wavelength of 655-665 nm: infrared fluorescent powder with an emission wavelength of 725-735 nm: infrared fluorescent powder with an emission wavelength of 830-850 nm = 3:(0.35-0.55):(0.5-0.7):(0.02-0.04):(0.04-0.06):(0.4-0.6):(0.15-0.35). Specifically, the mass ratio of glue: blue-green powder with an emission wavelength of 490-500 nm: green powder with an emission wavelength of 535-545 nm: red powder with an emission wavelength of 630-640 nm: red powder with an emission wavelength of 655-665 nm: infrared fluorescent powder with an emission wavelength of 725-735 nm: infrared fluorescent powder with an emission wavelength of 830-850 nm can be 3:0.35:0.5:0.02:0.04:0.4:0.15 or 3:0.55:0.7:0.04:0.06:0.6:0.35 or 3:0.4:0.6:0.03:0.05:0.5:0.25.

[0133] In the embodiment, the blue-green powder with an emission wavelength of 490-500 nm is Lu3Al5O 12 :Ce 3+ , and has a half-wave width of 80-90 nm; specifically, the half-wave width is 80 nm, 85 nm, or 90 nm.

[0134] The green powder with an emission wavelength of 535-545 nm is Lu3Al5O 12 :Ce 3+ , and has a half-wave width of 95-105 nm; specifically, the half-wave width is 95 nm, 100 nm, or 105 nm.

[0135] The red powder with an emission wavelength of 630-640 nm is CaAlSiN3:Eu, and has a half-wave width of 60-80 nm; specifically, the half-wave width is 60 nm, 70 nm, or 80 nm.

[0136] The red powder with an emission wavelength of 655-665 nm is CaAlSiN3:Eu, and has a half-wave width of 95-105 nm; specifically, the half-wave width is 95 nm, 100 nm, or 105 nm.

[0137] The infrared fluorescent powder with an emission wavelength of 725-735 nm is Ga4GeO8:Cr 3+ , and has a half-wave width of 140-160 nm; specifically, the half-wave width is 140 nm, 150 nm, or 160 nm.

[0138] The infrared fluorescent powder with emission wavelength of 830-850 nm is Ga4GeO8:Cr 3+ The component has a half-wave width of 140-160 nm. Specifically, the half-wave width is 140 nm, 150 nm, or 160 nm.

[0139] In combination with FIG. 17, the light color quality of the 6000K spectral LED of the working office state biological light spectral LED light source of the embodiment meets the relative spectral height as shown in Table 9 below:

[0140] It can be known from the above Table 9 and in combination with FIG. 27 that the working office state biological light spectral LED light source of the embodiment has:

[0141] 1. 500-650nm>0.6, 650-750nm>0.45, 750-850nm>0.2, peak wavelength between 440-460nm (beneficial blue light increase, conducive to inhibiting axial elongation and relieving myopia);

[0142] 2. Spectral content: Фe(350-399nm): Фe(400-499nm): Фe(500-599nm): Фe(600-699nm): Фe(700-1000nm)=(0-0.1%):(20%-21%):(26.6%-27.6%):(21.2%-23.2%):(29%-31%);

[0143] 3. Blue-violet light content Фe(350-499nm)<20%;

[0144] 4. Infrared spectral component ratio is 34.59% higher than that of the same color temperature 6000K sunlight;

[0145] 5. There is a small wave peak in the 680-800nm spectrum, and the peak wavelength is between 680-710nm, which plays a role in stimulating micro-infrared light and inhibiting axial elongation, thereby playing a role in myopia prevention and control, and the eyes are healthier;

[0146] 6. The blue-violet light component of 350-500nm is about 25% lower than that of the sunlight, and the eyes are healthier.

[0147] In the embodiment, in combination with FIGS. 28-29, the blue light hazard efficiency K of the working office state biological light spectral LED light source of the embodiment is B，V =0.000757646, which is lower than the blue light hazard efficiency K B，V of the same color temperature sunlight (K B，V / K B，V(6000K sunlight) = 85.14%, which meets the blue light exemption RG0 standard and is more healthy for the eye spectrum.

[0148] In this embodiment, as can be known from Figs. 30-33, the working office state biological light spectrum LED light source has a similarity to the 6000K sunlight spectrum SSI (350-830nm) > 77, SSI (430-830nm) > 94, SSI (430-690nm) > 94, SSI (480-830nm) > 95 (indicating that the curve is smooth and closer to natural sunlight, making people feel more comfortable), excellent spectral similarity parameters, restoring natural light color, and allowing people to experience nature and enjoy the sun shower.

[0149] Further, the light color electrical parameters of the working office state biological light spectrum LED light source of this embodiment are as shown in Table 10:

[0150] The light color parameters meet:

[0151] 1. Ra > 95, R1-15 > 90;

[0152] 2. CQS (Color Quality Scale) > 95;

[0153] 3. TM-30-20, Rg > 95, Rf > 98, Rf, skin > 95;

[0154] 4. Television Lighting Index TLCI-2012 > 98;

[0155] 5. BPE (350-1000nm) luminous flux effective efficiency = BPF (luminous flux) / Фe (light power) > 5.20 μmol / J;

[0156] 6. LER (effective light efficiency) = Ф (luminous flux) / Фe (light power) > 210 Lm / W, which is 12.9% higher than the 6000K sunlight (LER = 186 lm / w) of the same color temperature.

[0157] The working office state biological light spectrum LED light source of this embodiment has a sunlight S / P ratio, M / P ratio, and SSI (spectral similarity) as shown in Table 11:

[0158] As shown in Table 11 and FIG. 34, the working office state biological light spectrum LED light source of the embodiment has a S / P ratio (dark photopic luminance ratio) that is 1.27% higher than that of the sunlight with the same color temperature of 6000K, is conducive to relaxing the visual angle of the eye, and plays a role in a comfortable and healthy light environment and clear and bright viewing; the M / P ratio (non-photopic luminance ratio) is flat with the sunlight with the same color temperature of 6000K, inhibits the secretion of melatonin, and the spirit is more vigorous; the high SSI (350-830nm) spectral similarity, 100% reduction of natural light color, is more healthy and more ecological; the high TLCI-2012 parameter, illumination on books or fonts, restores clearer, and the human body or equipment can see more clearly; the MDER, melanopsin equivalent daylight efficiency, is flat with the sunlight with the same color temperature of 6000K, is conducive to relaxing the eye, and the visual field is clearer.

[0159] In combination with the following chlorophyll utilization rate comparison table 12;

[0160] In combination with FIGS. 36-37, the working office state biological light spectrum LED light source of the embodiment can be applied to the field of 6000K plant lighting, the crop photon utilization rate is greater than 88%, the German standard crop photon utilization rate is greater than 69%. The chlorophyll utilization rate is basically flat with the sunlight with the same color temperature, is conducive to the growth and development of plants, and working on flowers and plants can more easily stimulate the mood of a person, making the person more comfortable 。

[0161] In combination with FIGS. 36-37, the working office state biological light spectrum LED light source of the embodiment can be applied to the field of 6000K medical and aesthetic lighting, the cytochrome C oxidase activity activation energy is more than 30%, which can better promote metabolism. Deeply stimulates the skin, the light utilization rate is 49.38%, and the physical physiotherapy effect is enjoyed during office work.

[0162] Embodiment four.

[0163] The embodiment provides a preparation method of a working office state biological light spectrum LED light source, which comprises the following steps:

[0164] S100: disposing the first LED wafer, the second LED wafer and the third LED wafer in the bowl cup, and fixing them on the support by die bonding with insulating glue or silver glue, baking the first LED wafer, the second LED wafer and the third LED wafer in an oven at a temperature of 150-160°C for 2h±10min after die bonding is completed, so that the first LED wafer, the second LED wafer and the third LED wafer are completely fixed in the bowl cup;

[0165] S200: connecting the first LED wafer, the second LED wafer and the third LED wafer with the positive and negative electrodes by gold wire bonding with a gold wire bonding machine;

[0166] S300: prepare a fluorescent glue solution by mixing glue with blue-green powder, red powder and infrared fluorescent powder;

[0167] S400: pour the prepared fluorescent glue solution into the glue barrel of the dispenser, and after the glue and bubble are discharged, the fluorescent glue solution is dispensed in the bowl according to the color parameter requirements, and after the dispensing is completed, the solution is baked at 80°C / 0.5H+160°C / 4H;

[0168] S500: after the LED light source is baked, the light is tested by a spectrometer according to the given color parameter requirements, so that the light color quality formed in the bowl meets the S / P ratio and the M / P ratio, and the same color temperature sunlight spectrum similarity SSI(480-830nm) coefficient is greater than 95, and the color temperature meets the specified chromaticity standard coordinate, the chromaticity coordinate meets the 3-order color tolerance chromaticity standard, and the blue light hazard efficiency K B，V of the same color temperature sunlight is lower than that of the same color temperature sunlight, which meets the blue light exemption RG0 standard. B，V

[0169] Table 13 below is the spectrometer parameter table of the working office state biological light spectrum LED light source of the present embodiment.

[0170] The working office state biological light spectrum LED light source prepared by the preparation method of the present embodiment has a color temperature between 4800-6300K, a landing point controlled between Duv=0.01 curve and Duv=0.001 curve, a LER light efficiency higher than that of the same color temperature sunlight by more than 6%, and a S / P ratio and M / P ratio basically flat with the same color temperature sunlight, and a same color temperature sunlight spectrum similarity SSI(480-830nm)>95.

[0171] ​The color temperature of the working office state bioluminescent spectrum LED light source prepared by the preparation method of the embodiment is between 4800-6300K, the landing point is controlled between the Duv=0.01 curve and the Duv=0.001 curve, the LER light efficiency is more than 3% higher than that of the same color temperature sunlight, the S / P ratio and the M / P ratio are basically the same as that of the same color temperature sunlight, the spectral similarity SSI(480-830nm) is greater than 95 (indicating that the curve is smooth and closer to natural sunlight, making people feel more comfortable), the infrared spectrum content is higher than that of the same color temperature sunlight, which is beneficial to work and skin care, the 350-500nm spectrum blue-violet light content is more than 20% lower than that of the same color temperature sunlight, the eyes are healthier, the crop photon utilization rate is high, the German standard crop photon utilization rate is high. The chlorophyll utilization rate is basically the same as that of the same color temperature sunlight, which is beneficial to plant growth and development (working on flowers and plants is more likely to stimulate people's mood, making people more comfortable). The cytochrome C oxidase activity activation energy is more than 30%, which can better promote metabolism. Deeply stimulate the skin, the light utilization rate is more than 49%, and enjoy the physical therapy effect during office work.

[0172] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A working office state biophotonic light spectrum LED light source, characterized by, The application relates to a LED chip, a bracket and fluorescent glue, the bracket is provided with a bowl cup and positive and negative electrodes, a plurality of LED chips are arranged in the bowl cup, and the LED chips are connected with the positive and negative electrodes through gold wire bonding, and the fluorescent glue is coated on the LED chips, wherein the fluorescent glue comprises blue-green powder with an emission wavelength of 490-500nm, infrared fluorescent powder with an emission wavelength of 725-735nm and infrared fluorescent powder with an emission wavelength of 830-850nm. The plurality of LED dies comprises a first LED die having a dominant wavelength of 440-445 nm, a second LED die having a dominant wavelength of 452-458 nm, and a third LED die having a dominant wavelength of 465-470 nm, the first, second, and third LED dies having a ratio of peak spectral energy of bare dies of Ф e (440-445 nm): Ф e (452-458 nm): Ф e (465-470 nm) = (0.4-0.7):(0.8-1.0):(0.6-1.0); The color temperature of the working office state biological light spectrum LED light source is between 4800-6300K, the landing point is controlled between the Duv=0.01 curve and the Duv=0.001 curve, the LER light efficiency is higher than that of the same color temperature sunlight by more than 3%, the S / P ratio and the M / P ratio are basically the same as those of the same color temperature sunlight, the spectral similarity SSI (480-830nm) is higher than 95, and the infrared spectral component is higher than that of the same color temperature sunlight.

2. The work office state biophotonic light spectroscopy LED light source according to claim 1, characterized in that, The fluorescent glue is formed by preparing a 5000K fluorescent glue solution, wherein the 5000K fluorescent glue solution is formed by mixing glue and blue-green powder with an emission wavelength of 490-500nm, green powder with an emission wavelength of 535-545nm, red powder with an emission wavelength of 630-640nm, red powder with an emission wavelength of 655-665nm, infrared fluorescent powder with an emission wavelength of 725-735nm and infrared fluorescent powder with an emission wavelength of 830-850nm.

3. The working office state biophotonic LED light source according to claim 2, characterized in that, The 5000K fluorescent glue solution is formed by mixing glue, blue-green powder with an emission wavelength of 490-500nm, green powder with an emission wavelength of 535-545nm, red powder with an emission wavelength of 630-640nm, red powder with an emission wavelength of 655-665nm, infrared fluorescent powder with an emission wavelength of 725-735nm and infrared fluorescent powder with an emission wavelength of 830-850nm, and the mass ratio is 3: (0.3-0.5): (0.6-0.8): (0.04-0.06): (0.03-0.05): (0.6-0.9): (0.2-0.5).

4. The working office state biophotonic LED light source according to claim 1, characterized in that, The fluorescent glue is formed by preparing a 5600K fluorescent glue solution, wherein the 5600K fluorescent glue solution is formed by mixing glue and blue-green powder with an emission wavelength of 490-500nm, green powder with an emission wavelength of 535-545nm, red powder with an emission wavelength of 630-640nm, red powder with an emission wavelength of 655-665nm, infrared fluorescent powder with an emission wavelength of 725-735nm and infrared fluorescent powder with an emission wavelength of 830-850nm.

5. The work office state biophotonic light spectroscopy LED light source according to claim 4, characterized in that, The 5600K fluorescent glue solution is prepared by mixing glue with blue-green powder with an emission wavelength of 490-500 nm, green powder with an emission wavelength of 535-545 nm, red powder with an emission wavelength of 630-640 nm, red powder with an emission wavelength of 655-665 nm, infrared fluorescent powder with an emission wavelength of 725-735 nm, and infrared fluorescent powder with an emission wavelength of 830-850 nm.

6. The working office state biophotonic light spectroscopy LED light source according to claim 1, wherein, The fluorescent glue is formed by preparing a 6000K fluorescent glue solution, which is formed by mixing glue with blue-green powder with an emission wavelength of 490-500 nm, green powder with an emission wavelength of 535-545 nm, red powder with an emission wavelength of 630-640 nm, red powder with an emission wavelength of 655-665 nm, infrared fluorescent powder with an emission wavelength of 725-735 nm, and infrared fluorescent powder with an emission wavelength of 830-850 nm.

7. The working office state biophotonic LED light source according to claim 6, characterized in that, The 6000K fluorescent glue solution is prepared by mixing glue with blue-green powder with an emission wavelength of 490-500 nm, green powder with an emission wavelength of 535-545 nm, red powder with an emission wavelength of 630-640 nm, red powder with an emission wavelength of 655-665 nm, infrared fluorescent powder with an emission wavelength of 725-735 nm, and infrared fluorescent powder with an emission wavelength of 830-850 nm.

8. The working office state biophotonic light spectroscopy LED light source according to any one of claims 2 to 7, characterized in that, The blue-green powder with emission wavelength of 490-500 nm is Lu3Al5O 12 :Ce 3+ component, and the half-wave width is 80-90 nm; The green powder with an emission wavelength of 535-545 nm is Lu3Al5O 12 :Ce 3+ components, and a half-wave width of 95-105 nm; The red powder with an emission wavelength of 630-640 nm is a CaAlSiN3:Eu component with a half-wave width of 60-80 nm; The red powder with an emission wavelength of 655-665 nm is a CaAlSiN3:Eu component with a half-wave width of 95-105 nm; The infrared fluorescent powder with an emission wavelength of 725-735 nm is Ga4GeO8:Cr 3+ The component has a half-wave width of 140-160 nm. The infrared fluorescent powder with emission wavelength of 830-850 nm is Ga4GeO8:Cr 3+ The component has a half-wave width of 140-160 nm.

9. A method of making a working office state biophotonic light spectro LED light source according to any one of claims 1 to 8, characterized by: The method comprises the following steps: S100: The first LED wafer, the second LED wafer, and the third LED wafer are arranged in the bowl cup and fixed on the support by die bonding machine through insulating glue or silver glue. After die bonding, the first LED wafer, the second LED wafer, and the third LED wafer are completely fixed in the bowl cup by baking in an oven at a temperature of 150-160℃ for 2h±10min; S200: The first LED wafer, the second LED wafer, and the third LED wafer are connected with the positive and negative electrodes by gold wire bonding machine using gold wire bonding; S300: A fluorescent glue solution is prepared, which is formed by mixing glue with blue-green powder, red powder, and infrared fluorescent powder; S400: The prepared fluorescent glue solution is poured into the glue barrel of the dispensing machine. After glue dispensing and bubble removal, the fluorescent glue solution is dispensed in the bowl cup according to the color parameter requirements. After dispensing, the fluorescent glue solution is baked under the condition of 80℃ / 0.5H+160℃ / 4H. S500: After the LED light source after baking is threshed, the spectrometer is used to split the light according to the given color parameter, so that the light color quality formed in the bowl cup meets the S / P ratio and the M / P ratio, which is basically the same as the sunlight of the same color temperature, the color temperature meets the specified chroma standard color temperature, the chroma coordinates meet the 3-order color tolerance chroma standard, the similarity coefficient SSI (480-830nm) with the sunlight spectrum of the same color temperature is >95, and the blue light hazard efficiency K B，V is lower than that of the sunlight of the same color temperature, which meets the blue light exemption RG0 standard. B，V ​

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