Working office bio-light spectrum LED light source and preparation method thereof

Abstract

The present invention relates to the field of LED technology, and in particular to a working office biological light spectrum LED light source and a preparation method thereof. The working office biological light spectrum LED light source comprises a plurality of LED chips, a bracket and fluorescent glue, the bracket has a bowl and a positive and negative electrode, a plurality of LED chips are arranged in the bowl and each LED chip is connected to the positive and negative electrodes through gold wire bonding, and the fluorescent glue is coated on each of the LED chips; the plurality of LED chips include a first LED chip, a second LED chip and a third LED chip. The color temperature of the working office biological light spectrum LED light source of the present invention 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 the LER light efficiency of sunlight with the same color temperature, the S / P ratio and the M / P ratio are basically the same as those of sunlight with the same color temperature, and the spectrum similarity SSI (480-830nm) with sunlight with the same color temperature is >95.

Description

Technical Field

[0001] The invention relates to the technical field of LEDs, and in particular to a working office bio-light spectrum LED light source and a preparation method thereof. Background Art

[0002] Traditional LED light sources have the problem of short-wave blue light causing damage to the retina in terms of visual effects, and cause problems such as physiological rhythm disorders in terms of non-visual effects. Summary of the invention

[0003] In order to solve the above-mentioned problems existing in the prior art, the present invention provides a working office biological light spectrum LED light source and a preparation method thereof, which can reduce the proportion of harmful short-wave blue light, relieve visual fatigue, and regulate the normal physiological rhythm of humans similar to the solar spectrum.

[0004] The present invention adopts the following technical solutions to solve the above technical problems: a working office bioluminescent spectrum LED light source, which includes a plurality of LED chips, a bracket and fluorescent glue, the bracket has a bowl and positive and negative electrodes, the plurality of LED chips are arranged in the bowl, and each LED chip is connected to the positive and negative electrodes by gold wire bonding, and the fluorescent glue is coated on each LED chip;

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

[0006] The color temperature of the working office bioluminescent 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 the LER light efficiency of sunlight with the same color temperature, the S / Pratio and M / P ratio are basically the same as those of sunlight with the same color temperature, and the spectrum similarity SSI (480-830nm) with sunlight with the same color temperature is >95.

[0007] A method for preparing a working office bioluminescent spectrum LED light source comprises the following steps:

[0008] S100: placing the first LED chip, the second LED chip and the third LED chip in the bowl, and fixing them on the bracket by using an insulating glue or silver glue with a die-bonding machine, and baking them in an oven at 150-160° C. for 2 h±10 min after the die-bonding is completed, so that the first LED chip, the second LED chip and the third LED chip are completely fixed in the bowl;

[0009] S200: Connecting the first LED chip, the second LED chip and the third LED chip to the positive and negative electrodes by gold wire bonding using a gold wire bonding machine;

[0010] S300: preparing a fluorescent glue solution, wherein the fluorescent glue solution is a mixture of glue, blue-green powder, red powder and infrared fluorescent powder;

[0011] S400: Pour the prepared fluorescent glue solution into the glue barrel of the glue dispensing machine. After the glue and bubbles are discharged, the fluorescent glue solution is dispensed into the bowl according to the color parameter requirements. After the dispensing is completed, it is baked at 80℃ / 0.5H+160℃ / 4H.

[0012] S500: After the LED light source is baked, it is threshed and then spectroscopically tested according to the given color parameters, so that the light color quality formed in the bowl and cup meets the S / P ratio and M / P ratio that are basically the same as the sunlight with the same color temperature, the color temperature meets the specified color temperature, the chromaticity coordinates meet the 3-order color tolerance color standard, the SSI (480-830nm) coefficient of similarity with the solar spectrum with the same color temperature is greater than 95, and the blue light hazard efficiency K B，V Compared with the blue light hazard efficiency of sunlight with the same color temperature K B，V Low, meets the blue light exemption RG0 standard.

[0013] Compared with the prior art, the present invention provides a working and office biological light spectrum LED light source, which can simulate the sunlight spectrum, and its S / P ratio (dark-light visual brightness ratio) is basically the same as that of sunlight with the same color temperature, that is, the infrared component is higher and close to sunlight, which is conducive to relaxing the eyes and providing a comfortable and healthy light environment; M / Pratio (non-photopic visual brightness ratio) is basically the same as that of sunlight with the same color temperature, inhibits melatonin secretion, and can play a role in improving attention and learning ability; at the same time, MDER, melanopsin equivalent daylight efficiency is the same as that of sunlight with the same color temperature, which is conducive to eye relaxation and clearer vision; the crop photon utilization rate is high, the German standard crop photon utilization rate is high, and the chlorophyll utilization rate is basically the same as that of sunlight with the same color temperature, which is conducive to plant growth and development. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of a bioluminescent spectrum LED light source for working office use provided by an embodiment of the present invention.

[0015] Figure 2 A cross-sectional view of a bioluminescent spectrum LED light source in a working office state provided by an embodiment of the present invention.

[0016] Figure 3 This is a comparison chart of the biological light spectrum LED light source in the working office state and the 5000K sunlight spectrum of Example 1 of the present invention.

[0017] Figure 4 This is a comparison diagram of the power distribution curves of the biological light spectrum LED light source in the working office state and the 5000K sunlight spectrum of Example 1 of the present invention.

[0018] Figure 5 The blue light hazard efficiency K of the working office biological light spectrum LED light source and the 5000K sunlight spectrum of the embodiment 1 of the present invention is B，V Comparison chart.

[0019] Figure 6 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 5000K sunlight spectrum SSI (350-830nm) of Example 1 of the present invention.

[0020] Figure 7 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 5000K sunlight spectrum SSI (430-690nm) of Example 1 of the present invention.

[0021] Figure 8 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 5000K sunlight spectrum (430-830nm) of Example 1 of the present invention.

[0022] Fig. 9 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 5000K sunlight spectrum (480-830nm) of Example 1 of the present invention.

[0023] Fig.10 This is a diagram of the television lighting index TLCI-2012 of the bioluminescent spectrum LED light source in the working office state according to the first embodiment of the present invention.

[0024] Fig.11 This is a test report diagram of the bioluminescent spectrum LED light source in the working office state according to the first embodiment of the present invention.

[0025] Fig.12 This is a comparison diagram of plant lighting calculations of a bioluminescent spectrum LED light source in a working office state according to the first embodiment of the present invention.

[0026] Fig.13This is a comparison chart of the calculation results of the spectral plant chlorophyll a and b utilization rates of the working office biological light spectrum LED light source and the 5000K sunlight spectrum of the embodiment of the present invention.

[0027] Fig.14 This is a comparison chart of medical aesthetic lighting calculations of a bioluminescent spectrum LED light source in a working office state according to Example 1 of the present invention.

[0028] Fig.15 This is a comparison chart between the biological light spectrum LED light source in the working office state and the 5600K sunlight spectrum of the second embodiment of the present invention.

[0029] Fig.16 This is a comparison diagram of the power distribution curves of the biological light spectrum LED light source in the working office state and the 5600K sunlight spectrum of the second embodiment of the present invention.

[0030] Fig.17 The blue light hazard efficiency K of the working office bio-light spectrum LED light source and the 5600K sunlight spectrum of the second embodiment of the present invention is B，V Comparison chart.

[0031] Fig.18 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 5600K sunlight spectrum SSI (350-830nm) of the second embodiment of the present invention.

[0032] Fig.19 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 5600K sunlight spectrum SSI (430-830nm) of the second embodiment of the present invention.

[0033] Fig. 20 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 5600K sunlight spectrum SSI (430-690nm) of the second embodiment of the present invention.

[0034] Fig.21 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 5600K sunlight spectrum SSI (480-830nm) of the second embodiment of the present invention.

[0035] Fig. 22 This is a diagram of the television lighting index TLCI-2012 of the bioluminescent spectrum LED light source in the working office state according to the second embodiment of the present invention.

[0036] Fig.23 This is a test report diagram of the bioluminescent spectrum LED light source in the working office state according to the second embodiment of the present invention.

[0037] Fig.24This is a comparison diagram of plant lighting calculations of a bioluminescent spectrum LED light source in a working office state according to the second embodiment of the present invention.

[0038] Fig.25 This is a comparison chart of the calculation results of the spectral plant chlorophyll a and b utilization rates of the working office biological light spectrum LED light source and the 5600K sunlight spectrum of the second embodiment of the present invention.

[0039] Fig.26 This is a comparison chart of medical aesthetic lighting calculations of the bio-light spectrum LED light source in the working office state according to the second embodiment of the present invention.

[0040] Fig. 27 This is a comparison chart between the biological light spectrum LED light source in the working office state and the 6000K sunlight spectrum of the third embodiment of the present invention.

[0041] Fig.28 This is a comparison diagram of the power distribution curves of the biological light spectrum LED light source in the working office state and the 6000K sunlight spectrum of Example 3 of the present invention.

[0042] Fig.29 The blue light hazard efficiency K of the working office bio-light spectrum LED light source and the 6000K sunlight spectrum of the third embodiment of the present invention is B，V Comparison chart.

[0043] Fig.30 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 6000K sunlight spectrum SSI (350-830nm) of Example 3 of the present invention.

[0044] Fig.31 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 6000K sunlight spectrum SSI (350-830nm) of Example 3 of the present invention.

[0045] Fig.32 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 6000K sunlight spectrum SSI (430-830nm) of Example 3 of the present invention.

[0046] Fig.33 This is a spectrum similarity calculation diagram between the working office biological light spectrum LED light source and the 6000K sunlight spectrum SSI (480-690nm) of Example 3 of the present invention.

[0047] Fig.34 This is a graph of the television lighting index TLCI-2012 of the bioluminescent spectrum LED light source in the working office state according to the third embodiment of the present invention.

[0048] Fig.35This is a test report diagram of the bioluminescent spectrum LED light source in the working office state according to the third embodiment of the present invention.

[0049] Fig.36 This is a comparison diagram of plant lighting calculations of the bioluminescent spectrum LED light source in the working office state according to the third embodiment of the present invention.

[0050] Fig.37 This is a comparison chart of the calculation results of the spectral plant chlorophyll a and b utilization rates of the working office biological light spectrum LED light source and the 6000K sunlight spectrum of Example 3 of the present invention.

[0051] Fig.38 This is a comparison chart of medical aesthetic lighting calculations of the bio-light spectrum LED light source in the working office state according to the third embodiment of the present invention.

[0052] Fig.39 It is a bare crystal spectrum power distribution curve diagram of the working office biological light spectrum LED light source of the present invention.

[0053] Fig.40 This is a binning diagram of the bioluminescent spectrum LED light source in the working office state according to the first to fourth embodiments of the present invention.

[0054] Reference numerals:

[0055] 10—positive and negative electrodes 11—first LED chip 12—second LED chip

[0056] 13 - the third LED chip 14 - bowl 15 - bracket

[0057] 16-Fluorescent glue. DETAILED DESCRIPTION

[0058] The following is combined with Figures 1 to 40 The technical solution of the present invention is further described in detail. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. Although this specification is described according to the implementation methods, not every implementation method contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should take the specification as a whole. The various embodiments can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0059] It should be noted that the blue light hazard efficiency K B，V To calculate, that is, the blue light hazard weighted radiance L B The ratio of the corresponding photometric value is calculated as

[0060]

[0061] Among them, K m=683lm / W, V(λ) is the spectral luminous efficiency (or visibility function), and B(λ) is the blue light hazard weighting function. K B，V Characterizes the relative amount of blue light components in visible radiation. When the brightness of lighting products is the same, K B，V The higher it is, the more likely the light source is to harm the retina.

[0062] like Figures 1-2 As shown, an embodiment of the present invention provides a working office biological light spectrum LED light source, which includes multiple LED chips, a bracket and fluorescent glue, the bracket has a bowl and positive and negative poles, the multiple LED chips are arranged in the bowl, and each LED chip is connected to the positive and negative poles by gold wire bonding, and the fluorescent glue is coated on each LED chip.

[0063] The plurality of LED chips include 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.

[0064] Combination Fig.39 It can be seen that in the working office bioluminescence spectrum LED light source of the present invention, the bare crystal peak spectral energy ratio of the first LED chip, the second LED chip and the third LED chip is Φ e (440-445nm): Ф e (452-458nm): Ф e (465-470nm)=(0.4-0.7):(0.8-1.0):(0.6-1.0). Specifically, the bare die peak spectral energy ratio of the first LED chip, the second LED chip and the third LED chip is Φ 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.

[0065] Combination Fig.40 It can be seen that the color temperature of the working office biological light spectrum LED light source of this 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 the LER light efficiency of sunlight with the same color temperature, the S / P ratio and M / P ratio are basically the same as those of sunlight with the same color temperature, and the spectrum similarity SSI (480-830nm) with sunlight with the same color temperature is >95.

[0066] The working office bio-light spectrum LED light source of the present invention has an S / P ratio (dark-light visual brightness ratio) that is basically the same as the sunlight with the same color temperature, which is conducive to relaxing the eyes and creating a comfortable and healthy light environment; the M / P ratio (non-photopic visual brightness ratio) is basically the same as the sunlight with the same color temperature, inhibiting the secretion of melatonin, which can play a role in improving attention and learning ability; at the same time, the MDER, melanopsin equivalent daylight efficiency is the same as the sunlight with the same color temperature, which is conducive to eye relaxation and clearer vision; the crop photon utilization rate is high, the German standard crop photon utilization rate is high, and the chlorophyll utilization rate is basically the same as the sunlight with the same color temperature, which is conducive to plant growth and development. The cytochrome C oxidase activity activation energy accounts for more than 30%, which can better promote metabolism. Deeply stimulate the skin, and the light utilization rate is more than 49%. You can enjoy the effect of physical therapy while working in the office.

[0067] The following is a detailed description of the working office bioluminescent spectrum LED light source of the present invention in four embodiments.

[0068] Embodiment 1.

[0069] Combination Figures 3 to 14 39 to 40 further illustrate the working office biological light spectrum LED light source of this embodiment.

[0070] Among them, the fluorescent glue is formed by preparing a 5000K fluorescent glue solution, which is a mixture of 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.

[0071] Furthermore, the 5000K fluorescent glue solution is prepared 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: infrared fluorescent powder with an emission wavelength of 830-850nm in a mass ratio of 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.

[0072] In this embodiment, the blue-green powder with an emission wavelength of 490-500 nm is Lu3Al5O 12 :Ce 3+ component, and the half-wavewidth is 80-90nm; specifically, the half-wavewidth is 80nm, 85nm or 90nm.

[0073] The green powder with an emission wavelength of 535-545 nm is Lu3Al5O 12 :Ce 3+ component, and the half-wavewidth is 95-105nm; specifically, the half-wavewidth is 95nm, 100nm or 105nm.

[0074] The red powder with an emission wavelength of 630-640nm is composed of CaAlSiN3:Eu, and the half-wave width is 60-80nm; specifically, the half-wave width is 60nm, 70nm or 80nm.

[0075] The red powder with an emission wavelength of 655-665nm is composed of CaAlSiN3:Eu, and the half-wave width is 95-105nm; specifically, the half-wave width is 95nm, 100nm or 105nm.

[0076] The infrared phosphor with an emission wavelength of 725-735 nm is Ga4GeO8:Cr 3+ component, and the half-wavewidth is 140-160nm; specifically, the half-wavewidth is 140nm, 150nm or 160nm.

[0077] The infrared phosphor with an emission wavelength of 830-850nm is Ga4GeO8:Cr 3+ The half-wave width is 140-160 nm. Specifically, the half-wave width is 140 nm, 150 nm or 160 nm.

[0078] Combination Figure 3 The light color quality of the 5000K spectrum LED light source of the working office bioluminescent spectrum of this embodiment meets the relative spectrum height shown in Table 1 below:

[0079]

[0080] From Table 1 above and combined Figure 3 It can be seen that the working bioluminescent spectrum LED light source of this embodiment is:

[0081] 1.500-700nm>0.6, 700-750nm>0.7, 750-800nm>0.58, 800-850nm>0.40, peak wavelength is between 440-470nm;

[0082] 2. Spectral content: Фe (350-399nm): Фe (400-499nm): Фe (500-599nm): Фe (600-699nm): Фe (700-1000nm) = (0-0.1%): (15.5%-16.5%): (23%-24%): (22.2%-23.2%): (37.0%-38.0%);

[0083] 3. Blue-violet light content Фe (350-499nm) <16.5%;

[0084] 4. The infrared spectrum component is 43.69% higher than that of sunlight with the same color temperature of 5000K.

[0085] In this embodiment, combined with Figures 4-5 It can be seen that the blue light hazard efficiency K of the working office bioluminescence spectrum LED light source of this embodiment is B，V =0.000685926, which is the blue light hazard efficiency K of sunlight with the same color temperature B，V Low (K B，V / K B，V (5000Ksunlight) = 93.45%), meets the blue light exemption RG0 standard, and the eye protection spectrum is healthier.

[0086] In this embodiment, combined with Figures 6 to 9It can be seen that the working office bio-light spectrum LED light source of this embodiment has excellent spectrum similarity parameters with 5000K sunlight spectrum, SSI (350-830nm)>81, SSI (430-830nm)>92, SSI (430-690nm)>92, SSI (480-830nm)>96, which restores the color of natural light, allowing people to experience nature and enjoy the sun bathing. Among them, SSI (480-830nm)>96, its curve is smooth and closer to the natural sunlight, making people feel more comfortable.

[0087] Furthermore, the light color and electrical parameters of the working office bio-light spectrum LED light source of this embodiment are as follows:

[0088] Table 2:

[0089] ccx ccy CCT Duv Ra R1 0.3425 0.3541 5106 0.0023 97 96 R2 R3 R4 R5 R6 R7 99 99 95 97 98 98 R8 R9 R10 R11 R12 R13 96 90 97 93 95 97 R14 R15 R R Rf, skin CQS(Qa) 99 96 97 102 97 98 Q1 Q2 Q3 Q4 Q5 Q6 99 98 97 99 99 98 Q7 Q8 Q9 Q10 Q11 Q12 99 97 97 99 98 98 Q13 Q14 Q15 FCI BPE TLCI-2012 99 99 99 109.8 5.45 99 LER GamutCRI GamutCQS GAIE GACRI GACQS 192 1.033 1.028 92 0.0068 0.0237

[0090] Light color parameters meet:

[0091] 1.Ra>95, R1-15>90

[0092] 2. CQS (color quality index)>95;

[0093] 3.TM-30-20, Rg>98, Rf>95, Rf, skin>95;

[0094] 4. TV lighting index TLCI-2012>99;

[0095] 5.BPE (350-1000nm) photon flux effective efficiency = BPF (photon flux) / Ф e (Light power)>5.4μmol / J;

[0096] 6.LER (effective light efficiency) = Ф (luminous flux) / Ф e (Light power)>190Lm / W, 3.78% higher than sunlight with the same color temperature of 5000K (LER=185lm / w);

[0097] 7.COI (acid index) <3.3, meeting the standards of medical light sources.

[0098] The S / P ratio, M / P ratio and SSI (spectral similarity) of the working office bioluminescence spectrum LED light source of this embodiment and sunlight are shown in Table 3 below:

[0099] project The present invention 5000K Sunlight 5000K contrast S / Pratio 2.2 2.16 101.85％ M / Pratio 0.95 0.935 101.60％ SSI (350-830nm) 81 100 MDER 0.86 0.85 101.18％

[0100] Combined with Table 3 above and Fig.10It can be seen that the working office bioluminescent spectrum LED light source of this embodiment has an S / P ratio (dark-light visual brightness ratio) that is about 2% higher than the sunlight with the same color temperature of 5000K, which is conducive to relaxing the eyes, creating a comfortable and healthy light environment and seeing things clearly and brightly. The M / P ratio (non-photopic visual brightness ratio) is about 2% higher than the sunlight with the same color temperature of 5000K, which inhibits the secretion of melatonin, is conducive to the human body being more energetic and not easy to fall asleep. High SSI (350-830nm) spectral similarity, 100% restoration of natural light color, healthier and more ecological, SSI (480-830nm)>96 (indicating that the curve is smooth and closer to the natural light of the sun, making people feel more comfortable) excellent spectral similarity parameters, restore the color of natural light, let people experience nature, and enjoy the sun bath. High TLCI-2012 parameters, light shines on books or fonts, restores more clearly, and the human body or equipment can see more clearly. MDER, melanopsin equivalent daylight efficiency is higher than sunlight with the same color temperature of 5000K, which is conducive to eye relaxation and clearer vision.

[0101] Combined with the following chlorophyll utilization comparison table 4:

[0102] project The present invention 5000K Sunlight 5000K contrast Chlorophyll a utilization rate 7.22％ 8.34％ 86.57％ Chlorophyll b utilization 3.78％ 3.89％ 97.17％

[0103] And combined Figures 11 to 13 It can be seen that the crop photon utilization rate of the working office bio-light spectrum LED light source of this embodiment is >90%, and the German standard crop photon utilization rate is >72%. The chlorophyll utilization rate is basically the same as that of sunlight with the same color temperature, which is beneficial to plant growth and development (growing flowers and plants while working can easily stimulate people's mood and make people more comfortable).

[0104] Combination Fig.14 It can be seen that the working office bio-light spectrum LED light source of this embodiment, when used as medical beauty lighting, can achieve a cytochrome C oxidase activity activation energy ratio of more than 35%, which can better promote metabolism. It deeply stimulates the skin, and the light utilization rate reaches 57.53%, so that you can enjoy the effect of physical therapy while working in the office.

[0105] Embodiment 2.

[0106] Combination Figures 15-26 39 to 40 further illustrate the working office biological light spectrum LED light source of this embodiment.

[0107] Among them, the fluorescent glue is formed by preparing a 5600K fluorescent glue solution, which is a mixture of 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.

[0108] Furthermore, the 5600K fluorescent glue solution is made up 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 phosphor with an emission wavelength of 725-735nm: infrared phosphor with an emission wavelength of 830-850nm, with a mass ratio of 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 490-500nm: 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 3:0.3:0.6:0.02:0.04:0.6:0.15 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.

[0109] In this embodiment, the blue-green powder with an emission wavelength of 490-500 nm is Lu3Al5O 12 :Ce 3+ component, and the half-wavewidth is 80-90nm; specifically, the half-wavewidth is 80nm, 85nm or 90nm.

[0110] The green powder with an emission wavelength of 535-545 nm is Lu3Al5O 12 :Ce 3+ component, and the half-wavewidth is 95-105nm; specifically, the half-wavewidth is 95nm, 100nm or 105nm.

[0111] The red powder with an emission wavelength of 630-640nm is composed of CaAlSiN3:Eu, and the half-wave width is 60-80nm; specifically, the half-wave width is 60nm, 70nm or 80nm.

[0112] The red powder with an emission wavelength of 655-665nm is composed of CaAlSiN3:Eu, and the half-wave width is 95-105nm; specifically, the half-wave width is 95nm, 100nm or 105nm.

[0113] The infrared phosphor with an emission wavelength of 725-735 nm is Ga4GeO8:Cr 3+ component, and the half-wavewidth is 140-160nm; specifically, the half-wavewidth is 140nm, 150nm or 160nm.

[0114] The infrared phosphor with an emission wavelength of 830-850nm is Ga4GeO8:Cr 3+ The half-wave width is 140-160 nm. Specifically, the half-wave width is 140 nm, 150 nm or 160 nm.

[0115] Combination Fig.15 The light color quality of the 5600K spectrum LED light source of the working office bioluminescent spectrum of this embodiment meets the relative spectrum height shown in Table 5 below:

[0116]

[0117] From Table 5 above and combined Fig.15 It can be seen that the working bioluminescent spectrum LED light source of this embodiment is:

[0118] 1.450-500nm>0.60, 500-700nm>0.7, 700-750nm>0.8, 750-800nm>0.6, 800-850nm>0.4, peak wavelength is between 450-520nm (beneficial blue light increase, conducive to inhibiting axial growth and relieving myopia);

[0119] 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%);

[0120] 3. Blue-violet light content Фe (350-499nm) <16.6%;

[0121] 4. The infrared spectrum component is 43.69% higher than the sunlight with the same color temperature of 5600K;

[0122] 5. The 680-800nm ​​spectrum has a small peak with a peak wavelength of 680-710nm, which can stimulate the micro-infrared light and inhibit the elongation of the eye axis, thus achieving the effect of myopia prevention and control, and protecting the eyes for better health;

[0123] 6.350-500nm blue-violet light content is about 30% lower than sunlight, which is healthier for eyes.

[0124] In this embodiment, combined with Figures 16-17 It can be seen that the blue light hazard efficiency of the working office biological light spectrum LED light source of this embodiment is B，V =0.000673649, which is the blue light hazard efficiency K of sunlight with the same color temperature B，V Low (K B，V / K B，V (5600K sunlight) = 81.65%), meets the blue light exemption RG0 standard, and the eye protection spectrum is healthier.

[0125] In this embodiment, combined with Figures 18 to 21 It can be seen that the similarity between the working office bioluminescent spectrum LED light source of this embodiment and the 5600K sunlight spectrum is 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). The excellent spectral similarity parameters restore the color of natural light, allowing people to experience nature and enjoy a sun bath.

[0126] Furthermore, the light color and electrical parameters of the working office bio-light spectrum LED light source of this embodiment are as follows:

[0127] Table 6:

[0128] ccx ccy CCT Duv Ra R1 0.3331 0.3623 5481 0.0102 98 98 R2 R3 R4 R5 R6 R7 97 98 98 98 97 98 R8 R9 R10 R11 R12 R13 99 98 96 97 92 97 R14 R15 R R Rf, skin CQS(Qa) 99 97 96 99 96 96 Q1 Q2 Q3 Q4 Q5 Q6 99 94 93 93 95 97 Q7 Q8 Q9 Q10 Q11 Q12 98 98 97 97 98 99 Q13 Q14 Q15 FCI BPE TLCI-2012 97 99 100 104.8 5.43 99 LER GamutCRI GamutCQS GAIE GACRI GACQS 193 0.949 0.957 87 0.0064 0.0228

[0129] . Light color parameters meet:

[0130] 1.Ra>95, R1-15>90;

[0131] 2. CQS (color quality index)>95;

[0132] 3.TM-30-20, Rg>98, Rf>95, Rf, skin>95;

[0133] 4. TV lighting index TLCI-2012>99;

[0134] 5.BPE (350-1000nm) photon flux effective efficiency = BPF (photon flux) / Фe (light power)>5.40μmol / J;

[0135] 6.LER (effective luminous efficiency) = Ф (luminous flux) / Фe (luminous power) > 190Lm / W, which is 3.76% higher than sunlight with the same color temperature of 5600K (LER = 186lm / w).

[0136] The S / P ratio, M / P ratio and SSI (spectral similarity) of the working office bioluminescence spectrum LED light source of this embodiment and sunlight are shown in Table 7 below:

[0137]

[0138]

[0139] Combined with Table 7 above and Fig. 22 It can be seen that the working office bioluminescent spectrum LED light source of this embodiment has an S / P ratio (smoke-light visual brightness ratio) that is equal to that of sunlight with the same color temperature of 5600K, which is conducive to relaxing the eyes' viewing angle, creating a comfortable and healthy light environment and allowing objects to be seen clearly and brightly; the M / P ratio (non-photopic visual brightness ratio) is equal to that of sunlight with the same color temperature of 5600K, inhibiting the secretion of melatonin and making people more energetic; high SSI (350-830nm) spectral similarity, 100% restoration of natural light color, healthier and more ecological; high TLCI-2012 parameters, the light is shone on books or fonts, the restoration is clearer, and the human body or equipment can be seen more clearly; MDER, melanopsin equivalent daylight efficiency, is equal to that of sunlight with the same color temperature of 5600K, which is conducive to relaxing the eyes and providing a clearer field of vision.

[0140] Combined with the following chlorophyll utilization comparison table 8;

[0141] project The Invention 5600K Sunlight 5600K contrast Chlorophyll a utilization rate 7.06％ 8.78％ 80.41％ Chlorophyll b utilization 3.69％ 4.15％ 88.92％

[0142] And combined with Figures 24-25 It can be seen that the working office bio-light spectrum LED light source of this embodiment can be applied to the field of 5600K plant lighting, with crop photon utilization rate >89%, and German standard crop photon utilization rate >70%. The chlorophyll utilization rate is basically the same as that of sunlight with the same color temperature, which is beneficial to plant growth and development. Planting flowers and plants while working can easily stimulate people's mood and make people more comfortable.

[0143] Combined with Fig.26 It can be seen that the bioluminescent spectrum LED light source of the working office state in this embodiment has a cytochrome C oxidase activity activation energy accounting for more than 35%, which can better promote metabolism, deeply stimulate the skin, and the light utilization rate reaches 56.88%, which is suitable for office work lighting to achieve the effect of enjoying physical therapy.

[0144] Embodiment three.

[0145] Combination Figures 27-40 The working office bio-light spectrum LED light source of this embodiment is further described.

[0146] Among them, the fluorescent glue is formed by preparing a 6000K fluorescent glue solution, which is a mixture of 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.

[0147] Furthermore, the 6000K fluorescent glue solution is prepared 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 phosphor with an emission wavelength of 725-735nm: infrared phosphor with an emission wavelength of 830-850nm in a mass ratio of 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 490-500nm: 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 3:0.35:0.5:0.02:0.04:0.4:0.15 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.

[0148] In this embodiment, the blue-green powder with an emission wavelength of 490-500 nm is Lu3Al5O 12 :Ce 3+ component, and the half-wavewidth is 80-90nm; specifically, the half-wavewidth is 80nm, 85nm or 90nm.

[0149] The green powder with an emission wavelength of 535-545 nm is Lu3Al5O 12 :Ce 3+ component, and the half-wavewidth is 95-105nm; specifically, the half-wavewidth is 95nm, 100nm or 105nm.

[0150] The red powder with an emission wavelength of 630-640nm is composed of CaAlSiN3:Eu, and the half-wave width is 60-80nm; specifically, the half-wave width is 60nm, 70nm or 80nm.

[0151] The red powder with an emission wavelength of 655-665nm is composed of CaAlSiN3:Eu, and the half-wave width is 95-105nm; specifically, the half-wave width is 95nm, 100nm or 105nm.

[0152] The infrared phosphor with an emission wavelength of 725-735 nm is Ga4GeO8:Cr 3+ component, and the half-wavewidth is 140-160nm; specifically, the half-wavewidth is 140nm, 150nm or 160nm.

[0153] The infrared phosphor with an emission wavelength of 830-850nm is Ga4GeO8:Cr 3+ The half-wave width is 140-160 nm. Specifically, the half-wave width is 140 nm, 150 nm or 160 nm.

[0154] Combination Fig.17 The light color quality of the 6000K spectrum LED light source for the working office bioluminescent spectrum of this embodiment meets the relative spectrum height shown in Table 9 below:

[0155]

[0156] From Table 9 above and combined Fig. 27 It can be seen that the working bioluminescent spectrum LED light source of this embodiment is:

[0157] 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 growth and alleviating myopia);

[0158] 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%);

[0159] 3. Blue-violet light content Фe (350-499nm) <20%;

[0160] 4. The infrared spectrum component is 34.59% higher than the sunlight with the same color temperature of 6000K;

[0161] 5. The 680-800nm ​​spectrum has a small peak with a peak wavelength of 680-710nm, which can stimulate the micro-infrared light and inhibit the elongation of the eye axis, thus achieving the effect of myopia prevention and control, and protecting the eyes for better health;

[0162] 6.350-500nm blue-violet light content is about 25% lower than sunlight, which is healthier for eyes.

[0163] In this embodiment, combined with Figures 28-29 It can be seen that the blue light hazard efficiency of the working office biological light spectrum LED light source of this embodiment is B，V =0.000757646, which is the blue light hazard efficiency K of sunlight with the same color temperature B，V Low (K B，V / K B，V (6000K sunlight) = 85.14%), meets the blue light exemption RG0 standard, and the eye protection spectrum is healthier.

[0164] In this embodiment, combined with Figures 30-33 It can be seen that the similarity between the working office bioluminescent spectrum LED light source of this embodiment and the 6000K sunlight spectrum is SSI (350-830nm)>77, SSI (430-830nm)>94, SSI (430-690nm)>94, SSI (480-830nm)>95 (indicating that the curve is smoother and closer to natural sunlight, making people feel more comfortable), with excellent spectral similarity parameters, restoring the color of natural light, allowing people to experience nature and enjoy a sun bath.

[0165] Furthermore, the light color and electrical parameters of the working office biological light spectrum LED light source of this embodiment are as follows

[0166] Table 10:

[0167] ccx ccy CCT Duv Ra R1 0.321 0.3484 6000 0.0089 99 99 R2 R3 R4 R5 R6 R7 98 98 99 98 98 99 R8 R9 R10 R11 R12 R13 99 99 97 97 92 97 R14 R15 R R Rf, skin CQS(Qa) 99 97 96 99 95 97 Q1 Q2 Q3 Q4 Q5 Q6 99 95 93 94 95 97 Q7 Q8 Q9 Q10 Q11 Q12 99 98 97 97 98 99 Q13 Q14 Q15 FCI BPE TLCI-2012 97 99 100 102 5.24 99 LER GamutCRI GamutCQS GAIE GACRI GACQS 210 0.964 0.97 92 0.0067 0.0239

[0168] . Light color parameters meet:

[0169] 1.Ra>95, R1-15>90;

[0170] 2. CQS (color quality index)>95;

[0171] 3.TM-30-20, Rg>95, Rf>98, Rf, skin>95;

[0172] 4. TV lighting index TLCI-2012>98;

[0173] 5.BPE (350-1000nm) photon flux effective efficiency = BPF (photon flux) / Фe (light power)>5.20μmol / J;

[0174] 6.LER (effective luminous efficiency) = Ф (luminous flux) / Фe (luminous power) > 210Lm / W, which is 12.9% higher than sunlight with the same color temperature of 6000K (LER = 186lm / w).

[0175] The S / P ratio, M / P ratio and SSI (spectral similarity) of the working office bioluminescence spectrum LED light source of this embodiment and sunlight are shown in Table 11 below:

[0176]

[0177]

[0178] Combined with Table 11 above and Fig.34 It can be seen that the working office bioluminescent spectrum LED light source of this embodiment has an S / Pratio (spot-light visual brightness ratio) that is 1.27% higher than that of sunlight with the same color temperature of 6000K, which is conducive to relaxing the eyes' viewing angle, creating a comfortable and healthy light environment and allowing objects to be seen clearly and brightly; the M / P ratio (non-photopic visual brightness ratio) is the same as that of sunlight with the same color temperature of 6000K, which inhibits the secretion of melatonin and makes people more energetic; the high SSI (350-830nm) spectral similarity restores the natural light color 100%, which is healthier and more ecological; the high TLCI-2012 parameter restores the light on books or fonts more clearly, and the human body or equipment can see more clearly; the MDER, melanopsin equivalent daylight efficiency, is the same as that of sunlight with the same color temperature of 6000K, which is conducive to relaxing the eyes and providing a clearer field of vision.

[0179] Combined with the following chlorophyll utilization comparison table 12;

[0180] project The present invention 6000K Sunlight 6000K contrast Chlorophyll a utilization rate 7.59％ 9.06％ 83.77％ Chlorophyll b utilization 4.18％ 4.31％ 96.98％

[0181] . And combined Figures 36-37 It can be seen that the working office bio-light spectrum LED light source of this embodiment can be applied to the field of 6000K plant lighting, with crop photon utilization rate >88%, and German standard crop photon utilization rate >69%. The chlorophyll utilization rate is basically the same as that of sunlight with the same color temperature, which is beneficial to plant growth and development. Planting flowers and plants while working can easily stimulate people's mood and make people more comfortable.

[0182] Combination Figures 36-37It can be seen that the working office bioluminescent spectrum LED light source of this embodiment can be applied to the field of 6000K medical beauty lighting, and the cytochrome C oxidase activity activation energy accounts for more than 30%, which can better promote metabolism. Deeply stimulate the skin, the light utilization rate reaches 49.38%, and you can enjoy the effect of physical therapy while working in the office.

[0183] Embodiment 4.

[0184] This embodiment provides a method for preparing a working office bioluminescent spectrum LED light source, which comprises the following steps:

[0185] S100: placing the first LED chip, the second LED chip and the third LED chip in the bowl, and fixing them on the bracket by using an insulating glue or silver glue with a die-bonding machine, and baking them in an oven at 150-160° C. for 2 h±10 min after the die-bonding is completed, so that the first LED chip, the second LED chip and the third LED chip are completely fixed in the bowl;

[0186] S200: Connecting the first LED chip, the second LED chip and the third LED chip to the positive and negative electrodes by gold wire bonding using a gold wire bonding machine;

[0187] S300: preparing a fluorescent glue solution, wherein the fluorescent glue solution is a mixture of glue, blue-green powder, red powder and infrared fluorescent powder;

[0188] S400: Pour the prepared fluorescent glue solution into the glue barrel of the glue dispensing machine. After the glue and bubbles are discharged, the fluorescent glue solution is dispensed into the bowl according to the color parameter requirements. After the dispensing is completed, it is baked at 80℃ / 0.5H+160℃ / 4H.

[0189] S500: After the LED light source is baked, it is threshed and then spectroscopically tested according to the given color parameters, so that the light color quality formed in the bowl and cup meets the S / P ratio and M / P ratio that are basically the same as the sunlight with the same color temperature, the color temperature meets the specified chromaticity standard coordinates, the chromaticity coordinates meet the 3-order color tolerance chromaticity standard, the SSI (480-830nm) coefficient of similarity with the solar spectrum with the same color temperature is greater than 95, and the blue light hazard efficiency K B，V Compared with the blue light hazard efficiency of sunlight with the same color temperature K B，V Low, meets the blue light exemption RG0 standard.

[0190] The following Table 13 is a table of spectral parameters of the working office bioluminescence spectrum LED light source of this embodiment.

[0191]

[0192] The working office bioluminescent spectrum LED light source prepared by the preparation method of this embodiment has a color temperature between 4800-6300K, and 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 the LER light efficiency of sunlight with the same color temperature, and the S / P ratio and M / P ratio are basically the same as those of sunlight with the same color temperature. The spectrum similarity SSI (480-830nm) with sunlight with the same color temperature is >95.

[0193] The color temperature of the working office bio-light spectrum LED light source prepared by the preparation method of this embodiment is between 4800-6300K, the falling 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 the LER light efficiency of sunlight with the same color temperature, the S / P ratio and the M / P ratio are basically the same as the sunlight with the same color temperature, and the spectrum similarity SSI (480-830nm) with the sunlight with the same color temperature is >95 (indicating that the curve is smooth and closer to the natural sunlight, making people feel more comfortable). The infrared spectrum content is higher than the sunlight with the same color temperature, which is beneficial to work and skin care, and the blue-violet light content of the 350-500nm spectrum is more than 20% lower than the sunlight with the same color temperature, which is healthier for eye protection, and the crop photon utilization rate is high, and the German standard crop photon utilization rate is high. The chlorophyll utilization rate is basically the same as the sunlight with the same color temperature, which is beneficial to plant growth and development (growing flowers and plants while working is easier to stimulate people's mood and make people more comfortable). The energy of cytochrome C oxidase activity activation accounts for more than 30%, which can better promote metabolism. Deeply stimulate the skin, the light utilization rate reaches more than 49%, and you can enjoy the effect of physical therapy while working in the office.

[0194] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bioluminescent spectrum LED light source for working office, characterized in that: It comprises a plurality of LED chips, a bracket and fluorescent glue, wherein the bracket has a bowl and positive and negative electrodes, the plurality of LED chips are arranged in the bowl, and each LED chip is connected to the positive and negative electrodes by gold wire bonding, the fluorescent glue is coated on each LED chip, and the fluorescent glue contains 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 chips include 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. The bare crystal peak spectral energy ratio of the first LED chip, the second LED chip, and the third LED chip is Φ e (440-445nm): Ф e (452-458nm): Ф e (465-470nm)=(0.4-0.7): (0.8-1.0): (0.6-1.0); The color temperature of the working office bioluminescent 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 the LER light efficiency of sunlight with the same color temperature, the S / P ratio and the M / P ratio are basically the same as those of sunlight with the same color temperature, the spectrum similarity SSI (480-830nm) with sunlight with the same color temperature is>95, and the infrared spectrum component is higher than that of sunlight with the same color temperature.

2. The working office bio-light spectrum LED light source according to claim 1, characterized in that: The fluorescent glue is formed by preparing a 5000K fluorescent glue solution, which is a mixture of 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 bio-light spectrum LED light source according to claim 2, characterized in that: The 5000K fluorescent glue solution is made 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, with a mass ratio of 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 bio-light spectrum LED light source according to claim 1, characterized in that: The fluorescent glue is formed by preparing a 5600K fluorescent glue solution, which is a mixture of 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 working office bio-light spectrum LED light source according to claim 4, characterized in that: The 5600K fluorescent glue solution is made 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: infrared fluorescent powder with an emission wavelength of 830-850nm, with a mass ratio of 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).

6. The working office bio-light spectrum LED light source according to claim 1, characterized in that: The fluorescent glue is formed by preparing a 6000K fluorescent glue solution, which is a mixture of 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.

7. The working office bio-light spectrum LED light source according to claim 6, characterized in that: The 6000K fluorescent glue solution is made 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: infrared fluorescent powder with an emission wavelength of 830-850nm, with a mass ratio of 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).

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

9. A method for preparing a working bioluminescent spectrum LED light source according to any one of claims 1 to 8, characterized in that: The following steps are involved: S100: placing the first LED chip, the second LED chip and the third LED chip in the bowl, and fixing them on the bracket by using an insulating glue or silver glue with a die-bonding machine, and baking them in an oven at 150-160° C. for 2 h±10 min after the die-bonding is completed, so that the first LED chip, the second LED chip and the third LED chip are completely fixed in the bowl; S200: Connecting the first LED chip, the second LED chip and the third LED chip to the positive and negative electrodes by gold wire bonding using a gold wire bonding machine; S300: preparing a fluorescent glue solution, wherein the fluorescent glue solution is a mixture of glue, blue-green powder, red powder and infrared fluorescent powder; S400: Pour the prepared fluorescent glue solution into the glue barrel of the glue dispensing machine. After the glue and bubbles are discharged, the fluorescent glue solution is dispensed into the bowl according to the color parameter requirements. After the dispensing is completed, it is baked at 80℃ / 0.5H+160℃ / 4H. S500: After the LED light source is baked, it is threshed and then spectroscopically tested according to the given color parameters, so that the light color quality formed in the bowl and cup meets the S / P ratio and M / P ratio that are basically the same as the sunlight with the same color temperature, the color temperature meets the specified color temperature, the chromaticity coordinates meet the 3-order color tolerance color standard, the SSI (480-830nm) coefficient of similarity with the solar spectrum with the same color temperature is greater than 95, and the blue light hazard efficiency K B，V Compared with the blue light hazard efficiency of sunlight with the same color temperature K B，V Low, meets the blue light exemption RG0 standard.

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