Rest-state bio-optical spectrum LED light source and manufacturing method therefor

Abstract

A rest-state bio-optical spectrum LED light source and a manufacturing method therefor. The rest-state bio-optical spectrum LED light source comprises a plurality of LED chips, a support (15) and a phosphor adhesive (16); a reflector cup (14) and positive and negative electrodes (10) are provided on the support (15); the plurality of LED chips are all arranged in the reflector cup (14) and, by means of gold wire bonding, the LED chips are connected to the positive and negative electrodes (10); the phosphor adhesive (16) is coated on each LED chip; the plurality of LED chips comprise a first LED chip (11), a second LED chip (12) and a third LED chip (13), the bare die peak spectral energy ratio of the first LED chip (11), the second LED chip (12) and the third LED chip (13) being: Фe(440-445 nm):Фe(450-455 nm):Фe(462-468nm)=(0.4-0.7):(0.8-1.0):(0.6-1.0). The present invention achieves an S / P ratio that is basically equal to that of sunlight having the same color temperature, thus providing a comfortable and healthy light environment, and achieves an M / P Ratio that is basically equal to that of sunlight having the same color temperature, thus promoting melatonin secretion, and extending deep sleep duration.

Description

Resting 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 resting state biological light spectrum LED light source and preparation method thereof. BACKGROUND

[0002] Light not only provides visual color and brightness perception, but also provides human non-image forming (NIF) visual system, which is responsible for adjusting physiological circadian rhythm, affecting pineal gland secretion during the day and melatonin secretion at night. Since ancient times, human beings have been up with the sunrise and down with the sunset. Physiological rhythm is adjusted with sunlight. High-intensity stimulation is needed during the day, and high-intensity, high-color temperature or high-physiological stimulation light environment should be avoided at night, so as not to affect the secretion of melatonin in the body. With the increasing demand for artificial lighting at night, improper light environment at night also affects human physiological health. According to reference data, the proportion of people suffering from civilization diseases is higher in cities where artificial light is popular at night, such as circadian rhythm disorders, sleep disorders, and even the proportion of women suffering from breast cancer is relatively high. Therefore, a spectrum is needed to make people more easily rest, follow natural laws, bathe in nature, and be comfortable and relaxed. SUMMARY

[0003] To solve the above-mentioned problems existing in the prior art, the present application provides a resting state biological light spectrum LED light source and a preparation method thereof.

[0004] The present application adopts the following technical solution to solve the above technical problems: a resting state biological light spectrum LED light source, comprising a plurality of LED chips, a support and fluorescent glue, the support having 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 450-455nm and a third LED chip with a main wavelength of 462-468nm, 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):(450-455nm):(462-468nm)=(0.4-0.7):(0.8-1.0):(0.6-1.0). e (450-455nm):(462-468nm)=(0.8-1.0):(0.6-1.0). e (462-468nm)=(0.6-1.0).

[0006] The color temperature of the resting state bio-light spectrum LED light source is between 2100-3200K, with the landing point controlled between the Duv=0.003 curve and the Duv=-0.003 curve. The LER luminous efficacy is more than 20% higher than that of sunlight of the same color temperature. The S / P ratio and M / P ratio are basically the same as those of sunlight of the same color temperature, and the spectral similarity (SSI) (350-830nm) with sunlight of the same color temperature is >90.

[0007] A method for preparing a resting-state bio-spectral LED light source includes the following steps:

[0008] S100: The first LED chip, the second LED chip, and the third LED chip are placed inside the bowl and fixed on the support by die bonding machine using insulating glue or silver glue. After die bonding, the first LED chip, the second LED chip, and the third LED chip are baked in an oven at 150-160℃ for 2 hours ± 10 minutes to completely fix the first LED chip, the second LED chip, and the third LED chip inside the bowl.

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

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

[0011] S400: Pour the prepared fluorescent adhesive solution into the glue tank of the dispensing machine. After the glue and bubbles are removed, dispense the 1600K fluorescent adhesive solution into the cup according to the color parameters. After dispensing, bake at 80℃ / 0.5H+160℃ / 4H.

[0012] S500: After the LED light source is baked and granulated, it is spectroscopically analyzed using a spectrophotometer according to the given color parameters. The color quality of the light formed in the bowl is such that the S / P ratio and M / P ratio are basically the same as those of sunlight with the same color temperature. The color temperature meets the specified chromaticity standard coordinates, the chromaticity coordinates meet the 3rd order color tolerance chromaticity standard, the SSI (350-830nm) similarity coefficient with the solar spectrum of the same color temperature is >90, and the blue light hazard efficiency K B，V The blue light hazard efficiency (K) compared to sunlight of the same color temperature B，V Low, meeting the blue light exemption RG0 standard.

[0013] Compared with the prior art, the rest state bioluminescent spectrum LED light source and the preparation method thereof have the following beneficial effects: the S / P ratio (dark photopic luminance ratio) of the rest state bioluminescent spectrum LED light source is basically the same as that of the same color temperature sunlight, which is beneficial to relaxing the visual angle of the eyes and achieving a comfortable and healthy light environment; the M / P ratio (non-photopic luminance ratio) is basically the same as that of the same color temperature sunlight, which promotes the secretion of melatonin, can lengthen the deep sleep time, and promote metabolism; the cytochrome C oxidase activity activation energy is more than 45%, which can better promote metabolism. BRIEF DESCRIPTION OF DRAWINGS

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

[0015] Fig. 2 is a sectional view of the rest state bioluminescent spectrum LED light source provided by the embodiment of the present application.

[0016] Fig. 3 is a comparison diagram of the rest state bioluminescent spectrum LED light source of the embodiment one of the present application and the 2200K sunlight spectrum.

[0017] Fig. 4 is a comparison diagram of the power distribution curve of the rest state bioluminescent spectrum LED light source of the embodiment one of the present application and the 2200K sunlight spectrum.

[0018] Fig. 5 is a blue light hazard efficiency K of the rest state bioluminescent spectrum LED light source of the embodiment one of the present application and the 2200K sunlight spectrum. B，V Comparison diagram.

[0019] Fig. 6 is a spectrum similarity calculation diagram of the rest state bioluminescent spectrum LED light source of the embodiment one of the present application and the 2200K sunlight spectrum.

[0020] Fig. 7 is a television lighting index TLCI-2012 diagram of the rest state bioluminescent spectrum LED light source of the embodiment one of the present application.

[0021] Fig. 8 is a medical and aesthetic parameter calculation result diagram of the rest state bioluminescent spectrum LED light source of the embodiment one of the present application.

[0022] Fig. 9 is a test report diagram of the rest state bioluminescent spectrum LED light source of the embodiment one of the present application.

[0023] Fig. 10 is a comparison diagram of the rest state bioluminescent spectrum LED light source of the embodiment two of the present application and the 2200K sunlight spectrum.

[0024] Fig. 11 is a comparison diagram of the power distribution curve of the rest state bioluminescent spectrum LED light source of the embodiment two of the present application and the 2200K sunlight spectrum.

[0025] Figure 12 is a blue light hazard efficiency K comparison chart of the rest state bioluminous spectrum LED light source of the second embodiment of the present invention and the 2200K sunlight spectrum. B，V Comparison chart.

[0026] Figure 13 is a spectral similarity calculation chart of the rest state bioluminous spectrum LED light source of the second embodiment of the present invention and the 2200K sunlight spectrum.

[0027] Figure 14 is a television lighting index TLCI-2012 chart of the rest state bioluminous spectrum LED light source of the second embodiment of the present invention.

[0028] Figure 15 is a medical aesthetic parameter calculation result chart of the rest state bioluminous spectrum LED light source of the second embodiment of the present invention.

[0029] Figure 16 is a test report chart of the rest state bioluminous spectrum LED light source of the second embodiment of the present invention.

[0030] Figure 17 is a comparison chart of the rest state bioluminous spectrum LED light source of the third embodiment of the present invention and the 2200K sunlight spectrum.

[0031] Figure 18 is a power distribution curve comparison chart of the rest state bioluminous spectrum LED light source of the third embodiment of the present invention and the 2200K sunlight spectrum.

[0032] Figure 19 is a blue light hazard efficiency K comparison chart of the rest state bioluminous spectrum LED light source of the third embodiment of the present invention and the 2200K sunlight spectrum. B，V Comparison chart.

[0033] Figure 20 is a spectral similarity calculation chart of the rest state bioluminous spectrum LED light source of the third embodiment of the present invention and the 2200K sunlight spectrum.

[0034] Figure 21 is a television lighting index TLCI-2012 chart of the rest state bioluminous spectrum LED light source of the third embodiment of the present invention.

[0035] Figure 22 is a medical aesthetic parameter calculation result chart of the rest state bioluminous spectrum LED light source of the third embodiment of the present invention.

[0036] Figure 23 is a test report chart of the rest state bioluminous spectrum LED light source of the third embodiment of the present invention.

[0037] Figure 24 is a comparison chart of the rest state bioluminous spectrum LED light source of the fourth embodiment of the present invention and the 2200K sunlight spectrum.

[0038] Figure 25 is a power distribution curve comparison chart of the rest state bioluminous spectrum LED light source of the fourth embodiment of the present invention and the 2200K sunlight spectrum.

[0039] Figure 26 is a blue light hazard efficiency K of the rest state bioluminous spectrum LED light source of the fourth embodiment of the present application and a 2200K sunlight spectrum. B，V Comparative diagram.

[0040] Figure 27 is a spectrum similarity calculation diagram of the rest state bioluminous spectrum LED light source of the fourth embodiment of the present application and a 2200K sunlight spectrum.

[0041] Figure 28 is a television lighting index TLCI-2012 diagram of the rest state bioluminous spectrum LED light source of the fourth embodiment of the present application.

[0042] Figure 29 is a medical and aesthetic parameter calculation result diagram of the rest state bioluminous spectrum LED light source of the fourth embodiment of the present application.

[0043] Figure 30 is a test report diagram of the rest state bioluminous spectrum LED light source of the fourth embodiment of the present application.

[0044] Figure 31 is a bare crystal spectrum power distribution curve diagram of the rest state bioluminous spectrum LED light source of the present application.

[0045] Figure 32 is a binning diagram of the rest state bioluminous spectrum LED light source of the first to fourth embodiments of the present application.

[0046] Reference signs: 10—positive and negative poles, 11—first LED wafer, 12—second LED wafer, 13—third LED wafer, 14—bowl cup, 15—support, 16—fluorescent glue. DETAILED DESCRIPTION

[0047] The technical solutions of the present application will be further described in detail below in combination with Figures 1-32. 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 specification is described in this way 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.

[0048] It should be noted that the blue light hazard efficiency K B，V can be calculated, that is, the ratio of blue light hazard weighted luminance L B and the corresponding luminous quantity, and the calculation formula is:

[0049] 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，VThe relative amount of blue light component in visible radiation is characterized, and in the case of the same brightness of the lighting product, the higher the K B，V The higher the K, the greater the possibility of retinal damage by the light source.

[0050] As shown in Figures 1-2, the rest state biological light spectrum LED light source provided by the embodiment of the application comprises a plurality of LED wafers, a support 15 and fluorescent glue 16, the support 15 is provided with a bowl cup 14 and positive and negative electrodes 10, the plurality of LED wafers are arranged in the bowl cup 14, and each LED wafer is connected with the positive and negative electrodes 10 through gold wire bonding, and the fluorescent glue 16 is coated on each LED wafer.

[0051] The plurality of LED wafers comprise a first LED wafer 11 with a main wavelength of 440-445 nm, a second LED wafer 12 with a main wavelength of 450-455 nm and a third LED wafer 13 with a main wavelength of 462-468 nm.

[0052] As shown in Figure 31, in the rest state biological light spectrum LED light source of the application, the ratio of the peak spectrum energy of the first LED wafer 11, the second LED wafer 12 and the third LED wafer 13 is: Φ e (440-445nm): Φ e (450-455nm): Φ e (462-468nm)=(0.4-0.7):(0.8-1.0):(0.6-1.0). Wherein, Φ e (440-445nm): Φ e (450-455nm): Φ e (462-468nm) can be 0.4:0.8:0.6 or 0.7:1.0:1.0 or 0.7:0.9:0.8.

[0053] As shown in Figure 32, the color temperature of the rest state biological light spectrum LED light source of the embodiment is between 2100-3200K, the landing point is controlled between the Duv=0.003 curve and the Duv=-0.003 curve, the LER light efficiency is more than 20% 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(350-830nm) with the same color temperature sunlight is greater than 90.

[0054] The rest state biological light spectrum LED light source of the application is described in detail in the following five embodiments.

[0055] Embodiment one.

[0056] The rest state bioluminescent spectrum LED light source of the present embodiment is further described in combination with Figs. 3-9 and 32.

[0057] The fluorescent glue 16 is formed by preparing a 2200K fluorescent glue solution, which is formed by mixing glue with blue-green powder with an emission wavelength of 480-490nm, 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 650-660nm, infrared fluorescent powder with an emission wavelength of 725-735nm, and infrared fluorescent powder with an emission wavelength of 775-785nm.

[0058] Further, the mass ratio of the glue, the blue-green powder with an emission wavelength of 480-490nm, the green powder with an emission wavelength of 535-545nm, the red powder with an emission wavelength of 630-640nm, the red powder with an emission wavelength of 650-660nm, the infrared fluorescent powder with an emission wavelength of 725-735nm, and the infrared fluorescent powder with an emission wavelength of 775-785nm is 3:(0.2-0.3):(2.5-3.0):(0.15-0.25):(0.3-0.4):(1.0-1.4):(0.4-0.6). The mass ratio of the glue, the blue-green powder with an emission wavelength of 480-490nm, the green powder with an emission wavelength of 535-545nm, the red powder with an emission wavelength of 630-640nm, the red powder with an emission wavelength of 650-660nm, the infrared fluorescent powder with an emission wavelength of 725-735nm, and the infrared fluorescent powder with an emission wavelength of 775-785nm can be 3:0.2:2.5:0.15:0.3:1.0:0.4 or 3:0.3:3.0:0.25:0.4:1.4:0.6 or 3:0.25:2.7:0.2:0.35:1.2:0.5.

[0059] In the present embodiment, the blue-green powder with an emission wavelength of 480-490nm is Lu3Al5O 12 :Ce 3+ , with a half wave width of 80-90nm, for example, a half wave width of 80nm or 90nm. The green powder with an emission wavelength of 535-545nm is Lu3Al5O 12 :Ce 3+The red phosphor with an emission wavelength of 630-640 nm is a CaAlSiN3:Eu component with a half width of 60-80 nm, for example, a half width of 60 nm, 70 nm, or 80 nm. The red phosphor with an emission wavelength of 650-660 nm is a CaAlSiN3:Eu component with a half width of 95-105 nm, for example, a half width of 95 nm, 100 nm, or 105 nm. The infrared fluorescent powder with an emission wavelength of 725-735 nm is Ga4GeO8:Cr 3+ The infrared fluorescent powder with an emission wavelength of 775-785 nm is Ga4GeO8:Cr 3+ The infrared fluorescent powder with an emission wavelength of 775-785 nm is Ga4GeO8:Cr

[0060] In combination with FIG. 3, the light color quality of the 2200K spectral LED of the rest state bioluminescent spectral LED light source of the present embodiment meets the relative spectral height as shown in Table 1 below:

[0061] From the above Table 1 and in combination with FIG. 3, it can be seen that the rest state bioluminescent spectral LED light source of the present embodiment has:

[0062] 1. 350-500 nm <0.2, 500-600 nm <0.7, 600-650 nm <0.9, 650-700 nm >0.9, 700-800 nm >0.7, 800-850 nm >0.4, peak wavelength between 680-740 nm;

[0063] 2. Spectral content: Фe(350-399 nm): Фe(400-499 nm): Фe(500-599 nm): Фe(600-699 nm): Фe(700-1000 nm)=(0-0.5%): (2.5%-3.0%): (13.5%-14.5%): (30.5%-31.5%): (51.0%-53.0%).

[0064] 3. Blue-violet light content Фe(350-499 nm) <3%.

[0065] 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 rest state bioluminescent spectral LED light source of the present embodiment is 0.000166861, which is less than the blue light hazard efficiency K B，V (K B， V / K B，V (2200K sunlight) = 98.79%, which meets the blue light exemption RG0 standard and is more healthy for the eye spectrum.

[0066] In this embodiment, as shown in FIG. 6, the rest state biologic light spectrum LED light source has a spectral similarity SSI (350-830nm) > 90 with the 2200K sunlight spectrum, which is an excellent spectral similarity parameter and restores the natural light color, allowing people to experience nature and enjoy the sun shower.

[0067] Further, the light color and electrical parameters of the rest state biologic light spectrum LED light source of this embodiment are as shown in Table 2:

[0068] The light color parameters meet:

[0069] 1. Ra > 95, R1-15 > 90;

[0070] 2. CQS (color quality index) > 95;

[0071] 3. TM-30-20, Rg > 95, Rf > 95, Rf, skin > 95;

[0072] 4. Television lighting index TLCI-2012 > 97;

[0073] 5. BPE (350-1000nm) light quantum flux effective efficiency = BPF (light quantum flux) / Ф e (light power) > 5.85 pmol / J;

[0074] 6. LER (effective light efficiency) = Ф (light flux) / Ф e (light power) > 130 Lm / W, which is 69.38% higher than the sunlight with the same color temperature of 2200K (LER = 79.7 lm / w).

[0075] The rest state biologic light spectrum LED light source of this embodiment has the following S / P ratio, M / P ratio, and SSI (spectral similarity) with the sunlight as shown in Table 3:

[0076] As can be seen from Table 3 and Figs. 6-7, the rest state biological light spectrum LED light source of the embodiment has a S / P ratio (dark photopic luminance ratio) 1.89% higher than that of the same color temperature 2200K sunlight, which is conducive to relaxing the eye angle, and plays a comfortable and healthy light environment and clear and bright object viewing; the M / P ratio (non-photopic luminance ratio) is the same as that of the same color temperature 2200K sunlight, which promotes the secretion of melatonin and the efficacy of promoting sleep; the high SSI (350-830nm) spectral similarity, 100% reduction of natural light color, is more healthy and more ecological.

[0077] As can be seen from Fig. 8, the rest state biological light spectrum LED light source of the embodiment can be applied to 2200K medical and beauty field lighting, which can make the cytochrome C oxidase activity activation energy account for more than 50%, and can better promote metabolism. Deeply stimulate the skin, and the light utilization rate reaches 78.75%.

[0078] Example two.

[0079] The rest state biological light spectrum LED light source of the embodiment is further described in combination with Figs. 10-16 and 32.

[0080] The fluorescent glue 16 is formed by preparing a 2500K fluorescent glue solution, and the 2500K 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 650-660nm, infrared fluorescent powder with an emission wavelength of 725-735nm and infrared fluorescent powder with an emission wavelength of 745-755nm.

[0081] Further, the mass ratio of the glue: the blue-green powder with an emission wavelength of 490-500 nm: the green powder with an emission wavelength of 535-545 nm: the red powder with an emission wavelength of 630-640 nm: the red powder with an emission wavelength of 650-660 nm: the infrared fluorescent powder with an emission wavelength of 725-735 nm: the infrared fluorescent powder with an emission wavelength of 745-755 nm = 3:(0.1-0.2):(2.8-3.2):(0.08-0.12):(0.35-0.45):(0.7-0.9):(0.4-0.6). Specifically, the mass ratio of the glue: the blue-green powder with an emission wavelength of 490-500 nm: the green powder with an emission wavelength of 535-545 nm: the red powder with an emission wavelength of 630-640 nm: the red powder with an emission wavelength of 650-660 nm: the infrared fluorescent powder with an emission wavelength of 725-735 nm: the infrared fluorescent powder with an emission wavelength of 745-755 nm can be 3:0.1:2.8:0.08:0.35:0.7:0.4 or 3:0.2:3.2:0.12:0.45:0.9:0.6 or 3:0.15:3:0.1:0.4:0.8:0.5.

[0082] In the 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, for example, the half wave width is 80 nm, 85 nm or 90 nm. 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, for example, the half wave width is 95 nm, 100 nm or 105 nm. The red powder with an emission wavelength of 630-640 nm is CaAlSiN3:Eu component, and the half wave width is 60-80 nm, for example, the half wave width is 60 nm, 70 nm or 80 nm. The red powder with an emission wavelength of 650-660 nm is CaAlSiN3:Eu component, and the half wave width is 95-105 nm, for example, the half wave width is 95 nm, 100 nm or 105 nm. 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, for example, the half wave width is 140 nm, 150 nm or 160 nm. The infrared fluorescent powder with an emission wavelength of 745-755 nm is Ga4GeO8:Cr 3+ component, and the half wave width is 140-160 nm, for example, the half wave width is 140 nm, 150 nm or 160 nm.

[0083] In combination with FIG. 10, the light color quality of the 2500K spectral LED of the rest state biological light spectral LED light source of the embodiment meets the relative spectral height as shown in Table 4 below:

[0084] From the above Table 4 and in combination with FIG. 10, it can be known that the rest state biological light spectral LED light source of the embodiment has:

[0085] 1. 350-500nm<0.25, 500-600nm<0.6, 600-650nm<0.9, 650-700nm>0.9, 700-750nm>0.7, 750-800nm>0.4, 800-850nm>0.2, peak wavelength between 680-740nm;

[0086] 2. Spectral content: Фe(350-399nm): Фe(400-499nm): Фe(500-599nm): Фe(600-699nm): Фe(700-1000nm)=(0-0.1%):(3.5%-4.5%):(18%-19%):(36%-38%):(40%-42%);

[0087] 3. Blue-violet light content Фe(350-499nm)<4%;

[0088] 4. Spectral content below 500nm accounts for <4%; 700-1000nm content>40%, rich in infrared components, the LED helps to protect the eyes, activates the conversion of macromolecules in the eyes into small molecules of water, thereby playing a moistening and eye-protecting effect;

[0089] 5. There is a small wave peak in 680-800nm spectrum and the peak wavelength is between 680-710nm, which plays a role in stimulating micro-infrared light and inhibiting eye axis elongation, thereby playing a role in preventing and controlling myopia and protecting the eyes more healthily.

[0090] In the embodiment, in combination with FIGS. 11-12, it can be known that the blue light hazard efficiency K B，V of the rest state biological light spectral LED light source of the embodiment is 0.00018519, which is lower than the blue light hazard efficiency K B，V of the same color temperature sunlight (K B， V / K B，V (2500K sunlight)=75.40%), which meets the blue light exemption RG0 standard and the eye-protecting spectrum is healthier.

[0091] In this embodiment, as shown in FIG. 13, the rest state biological light spectrum LED light source has a spectral similarity SSI (350-830nm) > 92, which is similar to the 2500K sunlight spectrum, and has an excellent spectral similarity parameter, restores the natural light color, and allows people to experience nature and enjoy the sunshine.

[0092] Further, the light color and electrical parameters of the rest state biological light spectrum LED light source of this embodiment are as shown in Table 5:

[0093] The light color parameters meet:

[0094] 1. Ra>95, R1-15>90;

[0095] 2. CQS (Color Quality Scale)>92;

[0096] 3. TM-30-20, Rg>95, Rf>95, Rf, skin>95;

[0097] 4. Television Lighting Index TLCI-2012>97;

[0098] 5. BPE (350-1000nm) luminous flux effective efficiency = BPF (luminous flux) / Φ e (light power)>5.60μmol / J;

[0099] 6. LER (effective light efficiency) =Φ(light flux) / Φ e (light power)>150Lm / W, which is 55.44% higher than the sunlight with the same color temperature of 2500K (LER=79.7lm / w).

[0100] The S / P ratio, M / P ratio and SSI (spectral similarity) of the rest state biological light spectrum LED light source of this embodiment are as shown in Table 6:

[0101] As shown in Table 6 and FIGS. 13-14, the rest state biological light spectrum LED light source has a S / P ratio (dark photopic luminance ratio) that is the same as the sunlight with the same color temperature of 2500K, which is beneficial to relax the viewing angle of the eye, provides a comfortable and healthy light environment, and clearly and brightly displays objects; the M / P ratio (non-photopic luminance ratio) is lower than the sunlight with the same color temperature of 2500K, which promotes the secretion of melatonin and promotes sleep; the high SSI (350-830nm) spectral similarity restores the natural light color by 100%, which is more healthy and ecological.

[0102] As shown in FIG. 15, the rest state biological light spectrum LED light source of the embodiment can be applied to 2500K medical and aesthetic field lighting, can make the cytochrome C oxidase activity activation energy account for more than 47%, and can better promote metabolism. Deeply stimulates the skin, and the light utilization rate reaches 80%.

[0103] Embodiment three.

[0104] The rest state biological light spectrum LED light source of the embodiment is further described in combination with FIGS. 17-23 and 32.

[0105] The fluorescent glue 16 is formed by preparing a 2700K fluorescent glue solution, and the 2700K fluorescent glue solution is formed by mixing glue and blue-green powder with an emission wavelength of 480-490nm, 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 650-660nm, infrared fluorescent powder with an emission wavelength of 725-735nm, and infrared fluorescent powder with an emission wavelength of 795-805nm.

[0106] Further, the mass ratio of the glue, the blue-green powder with an emission wavelength of 480-490nm, the green powder with an emission wavelength of 535-545nm, the red powder with an emission wavelength of 630-640nm, the red powder with an emission wavelength of 650-660nm, the infrared fluorescent powder with an emission wavelength of 725-735nm, and the infrared fluorescent powder with an emission wavelength of 795-805nm is 3:(0.2-0.4):(1.8-2.1):(0.1-0.14):(0.16-0.20):(0.9-1.1):(0.3-0.5). Specifically, the mass ratio of the glue, the blue-green powder with an emission wavelength of 480-490nm, the green powder with an emission wavelength of 535-545nm, the red powder with an emission wavelength of 630-640nm, the red powder with an emission wavelength of 650-660nm, the infrared fluorescent powder with an emission wavelength of 725-735nm, and the infrared fluorescent powder with an emission wavelength of 795-805nm can be 3:0.2:1.8:0.1:0.16:0.9:0.3 or 3:0.4:2.1:0.14:0.20:1.1:0.5 or 3:0.3:2.1:0.12:0.18:1:0.4.

[0107] In the embodiment, the blue-green powder with an emission wavelength of 480-490nm is Lu3Al5O 12 :Ce 3+ component, and the half-wave width is 80-90nm, for example, the half-wave width is 80nm, 85nm or 90nm. The green powder with an emission wavelength of 535-545nm is Lu3Al5O 12: Ce 3+ The red phosphor with an emission wavelength of 630-640 nm is a CaAlSiN3:Eu component with a half width of 60-80 nm, for example, a half width of 60 nm, 70 nm, or 80 nm. The red phosphor with an emission wavelength of 650-660 nm is a CaAlSiN3:Eu component with a half width of 95-105 nm, for example, a half width of 95 nm, 100 nm, or 105 nm. The infrared phosphor with an emission wavelength of 725-735 nm is a Ga4GeO8:Cr 3+ The infrared phosphor with an emission wavelength of 795-805 nm is a Ga4GeO8:Cr 3+ The infrared phosphor with an emission wavelength of 795-805 nm is a Ga4GeO8:Cr

[0108] In combination with FIG. 17, the light color quality of the 2700K spectral LED of the rest state bioluminescent spectral LED light source of the present embodiment meets the relative spectral height as shown in Table 7 below:

[0109] From the above Table 7 and in combination with FIG. 17, it can be seen that the rest state bioluminescent spectral LED light source of the present embodiment has:

[0110] 1. 350-500 nm <0.30, 500-600 nm <0.75, 600-650 nm <0.9, 650-700 nm >0.8, 700-750 nm >0.85, 750-800 nm >0.65, 800-850 nm >0.38, peak wavelength between 680-740 nm;

[0111] 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%):(4.5%-5.5%):(16.8%-17.8%):(29.5%-31.5%):(46%-48%);

[0112] 3. Blue-violet light content Фe(350-499 nm) <5.5%.

[0113] In the present embodiment, in combination with FIGS. 18-19, it can be seen that the blue light hazard efficiency K B，V =0.000256005, and the blue light hazard efficiency KB，V Low (K B， V / K B，V (2700K sunlight) = 90.25%, which meets the blue light exemption RG0 standard and is more healthy for the eye spectrum.

[0114] In this embodiment, as can be known from FIG. 20, the rest state biologic light spectrum LED light source has a spectral similarity SSI (350-830 nm) > 92 with the 2700K sunlight spectrum, which is an excellent spectral similarity parameter that restores the natural light color and allows people to experience nature and enjoy the sun shower.

[0115] Further, the light color and electrical parameters of the rest state biologic light spectrum LED light source of this embodiment are as shown in Table 8:

[0116] The light color parameters meet:

[0117] 1. Ra > 95, R1-15 > 90;

[0118] 2. CQS (color quality index) > 95;

[0119] 3. TM-30-20, Rg > 95, Rf > 95, Rf, skin > 95;

[0120] 4. television lighting index TLCI-2012 > 97;

[0121] 5. BPE (350-1000 nm) luminous flux effective efficiency = BPF (luminous flux) / Ф e (light power) > 5.70 pmol / J;

[0122] 6. LER (effective light efficiency) = Ф (luminous flux) / Ф e (light power) > 150 Lm / W, which is 35.96% higher than the sunlight with the same color temperature of 2500K (LER = 79.7 lm / w).

[0123] The rest state biologic light spectrum LED light source of this embodiment has a S / P ratio, M / P ratio, and SSI (spectral similarity) with the sunlight as shown in Table 9:

[0124] As can be seen from Table 9 and Figs. 20-21, the rest state biological light spectrum LED light source of the embodiment has a higher S / P ratio (ratio of bright light in dark vision) than the sunlight with the same color temperature of 2700K, is beneficial to relax the visual angle of the eye, and plays a role in comfortable and healthy light environment and clear and bright object viewing; has a higher M / P ratio (ratio of non-bright light) than the sunlight with the same color temperature of 2700K, promotes the secretion of melatonin, and promotes the efficacy of sleep; has a high SSI (350-830nm) spectral similarity, 100% reduction of natural light color, and is more healthy and ecological.

[0125] As can be seen from Fig. 22, the rest state biological light spectrum LED light source of the embodiment can be applied to 2700K medical and beauty field lighting, can make the cytochrome C oxidase activity activation energy account for more than 47%, and can better promote metabolism. Deeply stimulates the skin, and the light utilization rate reaches 73.02%.

[0126] Embodiment four.

[0127] The rest state biological light spectrum LED light source of the embodiment is further described in combination with Figs. 24-32.

[0128] The fluorescent glue 16 is formed by preparing a 3000K fluorescent glue solution, and the 3000K fluorescent glue solution is formed by mixing glue and blue-green powder with an emission wavelength of 480-490nm, 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 650-660nm, infrared fluorescent powder with an emission wavelength of 725-735nm, and infrared fluorescent powder with an emission wavelength of 795-805nm.

[0129] Further, the mass ratio of the glue: the blue-green powder with an emission wavelength of 480-490 nm: the green powder with an emission wavelength of 535-545 nm: the red powder with an emission wavelength of 630-640 nm: the red powder with an emission wavelength of 650-660 nm: the infrared fluorescent powder with an emission wavelength of 725-735 nm: the infrared fluorescent powder with an emission wavelength of 795-805 nm = 3: (0.4-0.6): (1.4-1.6): (0.07-0.10): (0.15-0.19): (0.8-1.1): (0.2-0.4). Specifically, the mass ratio of the glue: the blue-green powder with an emission wavelength of 480-490 nm: the green powder with an emission wavelength of 535-545 nm: the red powder with an emission wavelength of 630-640 nm: the red powder with an emission wavelength of 650-660 nm: the infrared fluorescent powder with an emission wavelength of 725-735 nm: the infrared fluorescent powder with an emission wavelength of 795-805 nm can be 3:0.4:1.4:0.07:0.15:0.8:0.2 or 3:0.6:1.6:0.10:0.19:1.1:0.4 or 3:0.5:1.5:0.09:0.18:1:0.3.

[0130] In the embodiment, the blue-green powder with an emission wavelength of 480-490 nm is Lu3Al5O 12 :Ce 3+ component, and the half wave width is 80-90 nm, for example, the half wave width is 80 nm, 85 nm or 90 nm. 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, for example, the half wave width is 95 nm, 100 nm or 105 nm. The red powder with an emission wavelength of 630-640 nm is CaAlSiN3:Eu component, and the half wave width is 60-80 nm, for example, the half wave width is 60 nm, 70 nm or 80 nm. The red powder with an emission wavelength of 650-660 nm is CaAlSiN3:Eu component, and the half wave width is 95-105 nm, for example, the half wave width is 95 nm, 100 nm or 105 nm. 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, for example, the half wave width is 140 nm, 150 nm or 160 nm. The infrared fluorescent powder with an emission wavelength of 795-805 nm is Ga4GeO8:Cr 3+ component, and the half wave width is 140-160 nm, for example, the half wave width is 140 nm, 150 nm or 160 nm.

[0131] In combination with FIG. 24, the light color quality of the rest state biological light spectrum LED light source of the embodiment meets the relative spectral height as shown in the following Table 10:

[0132] From the above Table 10 and in combination with FIG. 24, it can be known that the rest state biological light spectrum LED light source of the embodiment has:

[0133] 1. 350-500nm <0.35, 500-600nm <0.7, 600-650nm <0.8, 650-700nm >0.8, 700-750nm >0.85, 750-800nm >0.6, 800-850nm >0.30, peak wavelength between 680-740nm;

[0134] 2. Spectrum content: Фe(350-399nm): Фe(400-499nm): Фe(500-599nm): Фe(600-699nm): Фe(700-1000nm)=(0-0.1%):(6%-7%):(18%-19%):(29%-30%):(44.5%-46.5%);

[0135] 3. Blue-violet light content Фe(350-499nm) <6.5%.

[0136] In the embodiment, in combination with FIGS. 25-26, it can be known that the blue light hazard efficiency K of the rest state biological light spectrum LED light source of the embodiment B，V =0.000313716, which is lower than the blue light hazard efficiency K of the same color temperature sunlight B，V (K B， V / K B，V (3000K sunlight)=85.28%), which meets the blue light exemption RG0 standard and is more healthy for eye protection spectrum.

[0137] In the embodiment, in combination with FIG. 27, it can be known that the rest state biological light spectrum LED light source of the embodiment has a spectrum similarity SSI(350-830nm) >90 with 3000K sunlight spectrum, which is an excellent spectrum similarity parameter and restores the color of natural light, allowing people to experience nature and enjoy sunshine.

[0138] Further, the light color electrical parameters of the rest state biological light spectrum LED light source of the embodiment are as shown in the following Table 11:

[0139] The light color parameters meet:

[0140] 1. Ra>95, R1-15>90;

[0141] 2. CQS (Color Quality Scale) > 95;

[0142] 3. TM-30-20, Rg > 95, Rf > 100, Rf, skin > 95;

[0143] 4. BPE (350-1000nm) photon flux effective efficiency = BPF (photon flux) / Φ e (light power) > 5.65 μmol / J

[0144] 5. LER (effective light efficiency) = Φ (luminous flux) / Φ e (light power) > 150 Lm / W, which is 21.54% higher than sunlight (LER = 130 lm / w) of the same color temperature 3000K.

[0145] The S / P ratio, M / P ratio and SSI (spectral similarity) of the rest state biological light spectrum LED light source of the embodiment are as follows in Table 12:

[0146] As can be seen from Table 12 and Figs. 28-29, the rest state biological light spectrum LED light source of the embodiment has a S / P ratio (dark photopic brightness ratio) higher than that of sunlight of the same color temperature 3000K, which is conducive to relaxing the eye viewing angle, and plays a role in comfortable and healthy light environment and clear and bright object viewing; the M / P ratio (non-photopic brightness ratio) is basically the same as that of sunlight of the same color temperature 3000K, which promotes the secretion of melatonin and promotes sleep efficiency; the high SSI (350-830nm) spectral similarity reduces the natural light color by 100%, which is more healthy and more ecological.

[0147] As can be seen from Fig. 30, the rest state biological light spectrum LED light source of the embodiment can be applied to 3000K medical and aesthetic field lighting, which can make the cytochrome C oxidase activity activation energy account for more than 47%, and can better promote metabolism. Deeply stimulate the skin, and the light utilization rate reaches 94.99%.

[0148] Example Five.

[0149] The embodiment provides a preparation method of a rest state biological light spectrum LED light source, which comprises the following steps:

[0150] S100: disposing the first LED wafer 11, the second LED wafer 12 and the third LED wafer 13 in the bowl cup 14, and fixing them on the support 15 by die bonding machine with insulating glue or silver glue, baking the first LED wafer 11, the second LED wafer 12 and the third LED wafer 13 in an oven at a temperature of 150-160°C for 2h±10min after die bonding is completed, so that the first LED wafer 11, the second LED wafer 12 and the third LED wafer 13 are completely fixed in the bowl cup 14.

[0151] S200: connecting the first LED wafer 11, the second LED wafer 12 and the third LED wafer 13 with the positive and negative electrode 10 by gold wire bonding through a gold wire bonder;

[0152] S300: preparing a fluorescent glue solution, which is prepared by mixing glue with blue-green powder, red powder and infrared fluorescent powder;

[0153] S400: pouring the prepared fluorescent glue solution into a glue barrel of a dispensing machine, and dispensing the 1600K fluorescent glue solution into the bowl cup 14 according to the color parameter requirements after the glue and bubble are discharged. After the dispensing is completed, the fluorescent glue solution is baked under the condition of 80℃ / 0.5H+160℃ / 4H;

[0154] S500: after the LED light source is baked, the LED light source is degerminated and spectrally tested according to the given color parameter requirements, so that the light color quality formed in the bowl cup 14 meets the S / P ratio and the M / P ratio, and is basically flat with the same color temperature sunlight. The color temperature meets the specified chromaticity standard coordinate, the chromaticity coordinate meets the 3-order color tolerance chromaticity standard, the similarity coefficient SSI with the same color temperature sunlight spectrum is greater than 90, and the blue light hazard efficiency K B，V of the same color temperature sunlight is lower than that of the blue light hazard efficiency K B，V of the same color temperature sunlight, which meets the blue light exemption RG0 standard.

[0155] 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 restorative biophotonic light spectrum LED light source, characterized in that, The LED chip, the bracket and the fluorescent glue, the bracket has the bowl cup and the positive and negative pole, the LED chip is arranged in the bowl cup, and the LED chip is connected with the positive and negative pole through the gold wire bonding, and the fluorescent glue is coated on the LED chip; The plurality of LED wafers comprises a first LED wafer with a main wavelength of 440-445 nm, a second LED wafer with a main wavelength of 450-455 nm and a third LED wafer with a main wavelength of 462-468 nm, and the naked crystal peak spectral energy ratio of the first, second and third LED wafers is: e (440-445 nm): Φ e (450-455 nm): Φ e (462-468 nm) = (0.4-0.7) : (0.8-1.0) : (0.6-1.0); The color temperature of the rest state biological light spectrum LED light source is between 2100-3200K, the landing point is controlled between Duv=0.003 curve and Duv=-0.003 curve, the LER light efficiency is more than 20% higher than that of the same color temperature sunlight, the S / P ratio and the M / P ratio are basically the same as the same color temperature sunlight, and the spectral similarity SSI (350-830nm) is greater than 90.

2. The rest tone biophotonic light spectrum LED light source of claim 1, wherein, The fluorescent glue is formed by preparing a 2200K fluorescent glue solution, and the 2200K fluorescent glue solution is formed by mixing glue and blue-green powder with an emission wavelength of 480-490nm, 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 650-660nm, infrared fluorescent powder with an emission wavelength of 725-735nm and infrared fluorescent powder with an emission wavelength of 775-785nm.

3. The rest tone biophotonic light spectrum LED light source of claim 2, wherein, The mass ratio of the glue, the blue-green powder with an emission wavelength of 480-490nm, the green powder with an emission wavelength of 535-545nm, the red powder with an emission wavelength of 630-640nm, the red powder with an emission wavelength of 650-660nm, the infrared fluorescent powder with an emission wavelength of 725-735nm and the infrared fluorescent powder with an emission wavelength of 775-785nm is 3:(0.2-0.3):(2.5-3.0):(0.15-0.25):(0.3-0.4):(1.0-1.4):(0.4-0.6).

4. The rest tone biophotonic light spectrum LED light source of claim 1, wherein, The fluorescent glue is formed by preparing a 2500K fluorescent glue solution, and the 2500K 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 650-660nm, infrared fluorescent powder with an emission wavelength of 725-735nm and infrared fluorescent powder with an emission wavelength of 745-755nm.

5. The rest tone biophotonic light spectrum LED light source of claim 4, wherein, The mass ratio of the glue, the blue-green powder with an emission wavelength of 490-500nm, the green powder with an emission wavelength of 535-545nm, the red powder with an emission wavelength of 630-640nm, the red powder with an emission wavelength of 650-660nm, the infrared fluorescent powder with an emission wavelength of 725-735nm and the infrared fluorescent powder with an emission wavelength of 745-755nm is 3:(0.1-0.2):(2.8-3.2):(0.08-0.12):(0.35-0.45):(0.7-0.9):(0.4-0.6).

6. The rest tone biophotonic light spectrum LED light source of claim 1, wherein, The fluorescent glue is formed by preparing a 2700K fluorescent glue solution formed by mixing glue and blue-green powder with an emission wavelength of 480-490nm, 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 650-660nm, infrared fluorescent powder with an emission wavelength of 725-735nm and infrared fluorescent powder with an emission wavelength of 795-805nm.

7. The rest tone biophotonic light spectrum LED light source of claim 6, wherein, The mass ratio of the glue, the blue-green powder with an emission wavelength of 480-490nm, the green powder with an emission wavelength of 535-545nm, the red powder with an emission wavelength of 630-640nm, the red powder with an emission wavelength of 650-660nm, the infrared fluorescent powder with an emission wavelength of 725-735nm and the infrared fluorescent powder with an emission wavelength of 795-805nm is 3:(0.2-0.4):(1.8-2.1):(0.1-0.14):(0.16-0.20):(0.9-1.1):(0.3-0.5).

8. The rest tone biophotonic light spectrum LED light source of claim 1, wherein, The fluorescent glue is formed by preparing a 3000K fluorescent glue solution formed by mixing glue and blue-green powder with an emission wavelength of 480-490nm, 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 650-660nm, infrared fluorescent powder with an emission wavelength of 725-735nm and infrared fluorescent powder with an emission wavelength of 795-805nm.

9. The rest tone biophotonic light spectrum LED light source of claim 8, wherein, The mass ratio of the glue, the blue-green powder with an emission wavelength of 480-490nm, the green powder with an emission wavelength of 535-545nm, the red powder with an emission wavelength of 630-640nm, the red powder with an emission wavelength of 650-660nm, the infrared fluorescent powder with an emission wavelength of 725-735nm and the infrared fluorescent powder with an emission wavelength of 795-805nm is 3:(0.4-0.6):(1.4-1.6):(0.07-0.10):(0.15-0.19):(0.8-1.1):(0.2-0.4).

10. A method of producing a rest biophotonic light spectrum LED light source according to any one of claims 1 to 9, 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, and after die bonding is completed, 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 through a gold wire bonding machine; S300: A fluorescent glue solution is prepared, which is formed by mixing glue, blue-green powder, red powder and infrared fluorescent powder; S400: The fluorescent glue solution is poured into the bowl cup. S400: pour the completed configuration fluorescent adhesive solution into the glue tank of the glue dispenser, after the glue and bubble are discharged, the 1600K fluorescent adhesive solution is dispensed in the bowl according to the color parameter requirements, after the dispensing is completed, the baking is carried out under the condition of 80℃ / 0.5H+160℃ / 4H; S500: After the LED light source after roasting 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 coordinates, the chroma coordinates meet the 3-order color tolerance chroma standard, the similarity coefficient SSI (350-830nm) with the sunlight spectrum of the same color temperature is greater than 90, 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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