Light-emitting diode (LED) packaging structure for photo-biological regulation

Abstract

The utility model belongs to the technical field of LEDs, and particularly relates to an LED packaging structure for photo-biological adjustment, which comprises an LED wafer, a support and pins. The LED wafers comprise a first LED wafer with the wavelength ranging from 440 nm to 445 nm, a second LED wafer with the wavelength ranging from 450 nm to 455 nm and a third LED wafer with the wavelength ranging from 465 nm to 470 nm. The first LED wafer, the second LED wafer and the third LED wafer are all arranged in the bracket; a fluorescent glue layer is coated on the LED wafer; the LED packaging structure further comprises a boss, and the second LED wafer is arranged on the boss. The LED packaging structure for photo-biological regulation applies wide-wave energy therapy, and has the functions of regulating human eyes, relieving pain or inflammation, regulating immunity and promoting wound healing and tissue regeneration.

Description

Technical Field

[0001] The utility model relates to the technical field of LEDs, in particular to an LED packaging structure for photobiological regulation. Background Art

[0002] With the improvement of living standards and the deepening of knowledge about life and health, people's health goals are constantly updated and enriched. From disease prevention, improving life quality to enhancing happiness, and then to fully realizing the potential of health and well-being across life stages, people's judgment dimensions of health are quietly but rapidly changing, getting closer and closer to life. With the continuous development of lighting technology, human requirements for lighting quality have evolved from clear and vivid vision and safety to the current requirements for health.

[0003] Photobiomodulation therapy is: "A type of light therapy that utilizes non-ionizing forms of light sources within the visible and infrared spectrum, including lasers, LEDs, and broadband sources. It is a non-thermal process involving endogenous chromophores that induce photophysical (i.e., linear and nonlinear) and photochemical events at various biological scales. This process can produce beneficial therapeutic effects, including but not limited to relief of pain or inflammation, immunomodulation, and promotion of wound healing and tissue regeneration." Essentially, exposing a wound or injury to red and infrared light can infuse our cells with energy, relieve pain, and promote faster healing.

[0004] Existing LEDs for photobiomodulation mainly use narrow-wavelength monochromatic LEDs or lasers, which have certain limitations in regulating the human eye, relieving pain or inflammation, immune regulation, and promoting wound healing and tissue regeneration. Utility Model Content

[0005] The utility model aims to provide an LED packaging structure for photobiomodulation.

[0006] The utility model adopts the following technical solutions to solve the above technical problems:

[0007] An LED packaging structure for photobiomodulation includes an LED chip, a bracket and pins; the LED chip includes a first LED chip with a wavelength of 440-445nm, a second LED chip with a wavelength of 450-455nm and a third LED chip with a wavelength of 465-470nm; the first LED chip, the second LED chip and the third LED chip are all arranged in the bracket; the LED chip is coated with a fluorescent glue layer; it also includes a boss, and the second LED chip is arranged on the boss.

[0008] Specifically, the first LED chip, the second LED chip, and the third LED chip are connected in series with the positive electrode and the negative electrode of the bracket through pins.

[0009] Specifically, the fluorescent glue layer is a fluorescent glue layer obtained by mixing blue powder with an emission wavelength of 490-505nm, green powder with an emission wavelength of 530-540nm, red powder with an emission wavelength of 625-635nm, red powder with an emission wavelength of 650-660nm, infrared powder with an emission wavelength of 705-715nm, infrared powder with an emission wavelength of 745-755nm, infrared powder with an emission wavelength of 765-775nm, infrared powder with an emission wavelength of 810-830nm, infrared powder with an emission wavelength of 910-930nm, infrared powder with an emission wavelength of 1010-1030nm and silica gel.

[0010] Specifically, the peak spectral energy ratio of the bare crystal synthesized by the chips used in the first LED chip, the second LED chip and the third LED chip is: Φe (440-445nm): Φe (450-455nm): Φe (465-470nm) = (0.8-1.0): (0.8-1.0): (0.5-0.7).

[0011] Specifically, the spectral energy ratio is: Фe (350-439nm): Фe (439-459nm): Фe (460-499nm): Фe (500-599nm): Фe (600-699nm): Фe (700-1000nm) = (0.8%-1.1%): (1.8%-2.2%):

[0012] (4.9%-5.2%):(16%-16.2%):(19.5%-20%):(54%-56%).

[0013] Specifically, the relative spectral heights are as follows: 420-440nm: ≤0.45, 440-470nm: ≤0.55, 470-520nm: ≥0.45, 520-570nm: ≥0.5, 570-610nm: ≥0.55, 610-645nm: ≥0.6, 645-730nm: ≥0.7, 730-800nm: peak 1, 800-900nm: ≥0.4, 900-1000nm: ≥0.25.

[0014] Compared with the prior art, the LED packaging structure for photobiomodulation of the present invention has the following beneficial effects:

[0015] 1. The LED packaging structure for photobiomodulation of the utility model can be used as an eye mask-type beauty product, with soft light color, 645-730nm relative spectrum intensity ≥ 0.7, and 600-699nm spectrum radiation energy accounting for > 19%, 700-1000nm spectrum radiation energy accounting for > 54%. Therefore, it is rich in 650-700nm spectrum content, which can protect eyesight, release pressure, and make the body and mind more healthy;

[0016] 2. The LED packaging structure for photobiomodulation of the utility model has a 600-699nm content of 15%, which can improve the activity of cells, promote cell metabolism, make the skin secrete a large amount of collagen and fibrous tissue to fill itself, accelerate blood circulation, increase skin elasticity, and improve the condition of sallow and dull skin.

[0017] 3. The LED packaging structure for photobiomodulation of the utility model has a 700-1000nm content of 55%, which inhibits the expression of tyrosinase in melanocytes, thereby inhibiting melanin formation, inhibiting the activity of matrix metalloproteinases in dermal fibroblasts, increasing the expression of collagen, and achieving skin firming.

[0018] 4. The LED packaging structure for photobiomodulation of the utility model uses broadband energy therapy to regulate the human eye, relieve pain or inflammation, regulate immunity, and promote wound healing and tissue regeneration. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front structural schematic diagram of the LED packaging structure for photobiomodulation of the utility model.

[0020] Figure 2 It is a schematic diagram of the back structure of the LED packaging structure for photobiomodulation of the utility model.

[0021] Figure 3 It is a cross-sectional view of the LED packaging structure for photobiomodulation of the present invention.

[0022] Figure 4 It is a bare crystal luminescence spectrum curve diagram of the LED packaging structure for photobiomodulation of the utility model.

[0023] Figure 5 It is a luminous spectrum curve diagram of the LED packaging structure for photobiomodulation of the utility model.

[0024] Figure 6 This is a test report of the LED packaging structure for photobiomodulation of the utility model.

[0025] Figure 7This is a calculation diagram of the similarity between the LED package structure for photobiomodulation of the present invention and the 4000K SSI spectrum.

[0026] Figure 8 It is the required index of the chromaticity landing point bin diagram of the LED packaging structure for photobiomodulation of the utility model.

[0027] Reference numerals:

[0028] 10-pin 11-first LED chip 12-second LED chip 13-third LED chip

[0029] 14-bowl 15-bracket 16-boss 17-fluorescent adhesive layer. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-8 The technical solution of the utility model is further described in detail. It should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. Although this specification is described according to the implementation mode, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The various embodiments can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0031] An LED packaging structure for photobiomodulation comprises an LED chip and a bracket 15; the LED chip comprises a first LED chip 11 with a wavelength of 440-445nm, a second LED chip 12 with a wavelength of 450-455nm and a third LED chip 13 with a wavelength of 465-470nm; a fluorescent glue layer 17 is coated on the LED chip, and the fluorescent glue layer 17 is a mixture of blue powder with an emission wavelength of 490-505nm, green powder with an emission wavelength of 530-540nm, red powder with an emission wavelength of 625-635nm, red powder with an emission wavelength of 650-660nm, infrared powder with an emission wavelength of 705-715nm, infrared powder with an emission wavelength of 745-755nm, infrared powder with an emission wavelength of 765-775nm, infrared powder with an emission wavelength of 810-830nm, infrared powder with an emission wavelength of 910-930nm, infrared powder with an emission wavelength of 1010-1030nm and silica gel.

[0032] The fluorescent glue layer of this embodiment is silica gel: 490-505nm blue powder: emission wavelength of 530-540nm green powder: emission wavelength of 625-635nm red powder: emission wavelength of 650-660nm red powder: emission wavelength of 705-715nm infrared powder: emission wavelength of 745-755nm infrared powder: emission wavelength of 765-775nm infrared powder: emission wavelength of 810-830nm Powder: infrared powder with emission wavelength of 910-930nm: infrared powder with emission wavelength of 1010-1030nm is a mixture of 3: (0.25-0.35): (1.1-1.3): (0.05-0.07): (0.12-0.18): (0.4-0.6): (0.4-0.6): (0.4-0.6): (0.5-0.7): (0.5-0.7): (0.6-0.8). These phosphors and their proportions are used to adjust the LED spectrum to meet the spectral chromaticity parameter requirements.

[0033] In this embodiment, the first LED chip 11, the second LED chip 12 and the third LED chip 13 are all arranged in the bracket 15, and the first LED chip 11, the second LED chip 12 and the third LED chip 13 are connected in series with the positive and negative electrodes of the bracket 15. Specifically, the first LED chip 11, the second LED chip 12 and the third LED chip 13 are arranged in the bowl 14 of the bracket 15, and the LED chips are connected in series with the pins 10 of the positive and negative electrodes of the bracket 15 through the gold wire bonding technology.

[0034] This embodiment further includes a boss 16, and the second LED chip 12 is disposed on the boss 16. The boss 16 increases the brightness of the product and the emission intensity of the second LED chip 12.

[0035] In this embodiment, the peak spectral energy ratio of the bare crystal synthesized by the chips used in the first LED chip 11, the second LED chip 12 and the third LED chip 13 is: Φe (440-445nm): Φe (450-455nm): Φe (465-470nm) = (0.8-1.0): (0.8-1.0): (0.5-0.7). This spectral energy ratio meets the spectral parameter requirements and spectral efficacy.

[0036] The spectral energy proportion of the packaged finished product of this embodiment is: Фe (350-439nm): Фe (439-459nm): Фe (460-499nm): Фe (500-599nm): Фe (600-699nm): Фe (700-1000nm) = (0.8%-1.1%): (1.8%-2.2%):

[0037] (4.9%-5.2%):(16%-16.2%):(19.5%-20%):(54%-56%).

[0038] The 600-699nm spectral energy of the finished product of the LED packaging structure for photobiomodulation is greater than 15%, which can increase the activity of cells, promote cell metabolism, make the skin secrete a large amount of collagen and fibrous tissue to fill itself, accelerate blood circulation, increase skin elasticity, and improve the condition of sallow and dull skin. The 700-1000nm spectral energy is about 55%, which inhibits the expression of tyrosinase in melanocytes, thereby inhibiting the formation of melanin, inhibiting the activity of matrix metalloproteinases in dermal fibroblasts, increasing the expression of collagen, and achieving skin firming. The application of broadband energy therapy can regulate the human eye, relieve pain or inflammation, regulate immunity, and promote wound healing and tissue regeneration.

[0039] The luminous spectrum distribution of the LED packaging structure for photobiomodulation of the present invention is shown in Table 1.

[0040] Table 1. Light emission spectrum distribution of LED packaging structure for photobiomodulation.

[0041]

[0042]

[0043] The relative spectral heights of the packaged finished product of this embodiment are as follows: 420-440nm: ≤0.45, 440-470nm: ≤0.55, 470-520nm: ≥0.45, 520-570nm: ≥0.5, 570-610nm: ≥0.55, 610-645nm: ≥0.6, 645-730nm: ≥0.7, 730-800nm: peak 1, 800-900nm: ≥0.4, 900-1000nm: ≥0.25.

[0044] The chromaticity width capacity of the white light LED packaged in this embodiment is controlled within the third-order MacAdam ellipse, and the spectrum similarity SSI coefficient of the 4000K solar spectrum is >85%. The color tolerance is <3, the light color consistency is good, there is no color difference, and the senses are more comfortable. The higher the spectrum similarity, the closer it is to sunlight, and the better the spectrum therapeutic effect.

[0045] After the white light LED is packaged into mixed colors in this embodiment, the color quality requirements are controlled: Ra>95, TM-30-18, Rg>95, Rf>90, S / P ratio>1.8, M / P ratio>0.78, the color temperature meets 3800-4200K, and the chromaticity coordinates meet the 403 chromaticity standard. High S / P is conducive to seeing things clearly and having a wider field of vision; high M / P is conducive to emotional control and physical and mental pleasure.

[0046] Table 2 Comparison of the LED packaging structure for photobiomodulation of the present invention with the S / Pratio and M / Pratio of sunlight 4000K.

[0047]

[0048] The spectral parameters of the LED packaging structure for photobiomodulation of the present invention are shown in Table 3.

[0049] Table 3 Spectral parameters of the LED packaging structure for photobiomodulation of the present invention.

[0050]

[0051] The photobiomodulation LED of the utility model can be used as an eye mask-type beauty product with soft light color, relative spectral intensity of 645-730nm ≥0.7, spectral radiation energy of 600-699nm accounting for >19%, and spectral radiation energy of 700-1000nm accounting for >54%. Therefore, it is rich in 650-700nm spectral content, which can protect eyesight, release stress, and make the body and mind healthier.

[0052] 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 LED packaging structure for photobiomodulation, comprising an LED chip, a bracket and pins; characterized in that: The LED chip includes a first LED chip with a wavelength of 440-445nm, a second LED chip with a wavelength of 450-455nm and a third LED chip with a wavelength of 465-470nm; the first LED chip, the second LED chip and the third LED chip are all arranged in a bracket; a fluorescent glue layer is coated on the LED chip; it also includes a boss, and the second LED chip is arranged on the boss.

2. The LED packaging structure for photobiomodulation according to claim 1, characterized in that: The first LED chip, the second LED chip and the third LED chip are connected in series with the positive electrode and the negative electrode of the bracket through pins.

3. The LED packaging structure for photobiomodulation according to claim 1, characterized in that: The peak spectral energy ratio of the bare crystal synthesized by the chips used in the first LED chip, the second LED chip and the third LED chip is: Φe (440-445nm): Φe (450-455nm): Φe (465-470nm) = (0.8-1.0): (0.8-1.0): (0.5-0.7).

4. The LED packaging structure for photobiomodulation according to claim 1, characterized in that: Its relative spectral heights are as follows: 420-440nm: ≤0.45, 440-470nm: ≤0.55, 470-520nm: ≥0.45, 520-570nm: ≥0.5, 570-610nm: ≥0.55, 610-645nm: ≥0.6, 645-730nm: ≥0.7, 730-800nm: peak 1, 800-900nm: ≥0.4, 900-1000nm: ≥0.25.

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