Integrated LED area light source fish gathering lamp and manufacturing method thereof

Abstract

The invention relates to the technical field of LEDs, in particular to an integrated LED area light source fish gathering lamp and a manufacturing method thereof.The integrated LED area light source fish gathering lamp comprises a copper support, a circuit connecting layer and an LED light source body, the copper support is coated with the circuit connecting layer, the LED light source body is connected with the circuit connecting layer, positive and negative terminals are led out from the circuit connecting layer, and the LED light source body comprises a plurality of LED wafers, fluorescent glue and pins. The plurality of LED wafers are connected with the positive electrode and the negative electrode of the copper support in a gold wire bonding mode, and the plurality of LED wafers are coated with fluorescent glue. According to the integrated LED area light source fish gathering lamp, spectral S / P and M / P values are improved, the effective brightness is high, the penetrability of spectrums to seawater is high, the field depth of view is farther, a fisherman can see farther, fishing is facilitated, the M / P value is high, melatonin secretion of the fisherman can be restrained, and the fisherman is more energetic; the content of blue-violet light is high, plankton can be lured, and fishing is facilitated; and meanwhile, the heat dissipation capability of the product is improved, and the customer symbol rate of the product is increased.

Description

Technical Field

[0001] The invention relates to the technical field of LEDs, and in particular to an integrated LED surface light source fish attracting lamp and a preparation method thereof. Background Art

[0002] At present, the market of fish attracting lamps is mainly dominated by metal halide lamps, but in the actual application process, metal halide lamps have many defects, such as, 1. Because they contain infrared and ultraviolet radiation, they are harmful to human physiology; 2. The glass shell has a high temperature and is easy to burst, and cannot be repaired, so it can only be scrapped directly; 3. Severe flicker, high power consumption of ballast, easy to fatigue eyes; 4. Single spectrum, unable to perform multiple spectrum configurations; 5. The light-emitting mechanism of metal halide lamps causes 40% stray light, the lifespan is one year, the service life is short, and the light decay is serious; 6. It takes 15 minutes to start up, and fish can feel polarized light, and fish do not like polarized light, so it directly affects the efficiency of fishing; In view of this situation, it needs to be solved urgently. Summary of the invention

[0003] In order to solve the above-mentioned technical problems existing in the prior art, the present invention provides an integrated LED surface light source fish attracting lamp and its preparation method. It has high seawater penetration, high S / P value, which is beneficial for fishermen to catch fish, high M / P value, which can inhibit the melatonin secretion of fishermen, making fishermen more energetic and able to perform fishing operations better, and high blue-violet light content, which can lure plankton and help catch fish.

[0004] The present invention adopts the following technical solutions to solve the above technical problems: an integrated LED surface light source fish attracting lamp, comprising a copper bracket, a circuit connection layer coated on the copper bracket, and an LED light source body connected to the circuit connection layer, wherein the circuit connection layer leads out positive and negative terminals, and the LED light source body comprises a plurality of LED chips, fluorescent glue and pins, wherein the plurality of LED chips are connected to the positive and negative electrodes of the copper bracket by gold wire bonding, and the plurality of LED chips are coated with fluorescent glue;

[0005] The plurality of LED chips include a plurality of first blue LED chips with a peak wavelength of 408-412 nm, a plurality of second blue LED chips with a main wavelength of 440-445 nm, and a plurality of third blue LED chips with a main wavelength of 450-460 nm.

[0006] The peak spectral optical power of the first blue LED chip: the peak spectral optical power of the second blue LED chip: the peak spectral optical power of the third blue LED chip = (15-25): 100: (50-70);

[0007] The number of the first blue light LED chips: the number of the second blue light LED chips: the number of the third blue light LED chips is 1:3:3; the fluorescent glue includes a silica gel solution, a first fluorescent powder with an emission peak wavelength of 545-555nm, and a second fluorescent powder with an emission peak wavelength of 510nm.

[0008] Optionally, the first phosphor is Lu3Al5O 12 :Ce 3+ composition, half-wave width is 95-105nm, the second phosphor is Lu3Al5O 12 :Ce 3+ component, half-wave width is 50±5nm.

[0009] Optionally, the mass ratio of the first phosphor: the second phosphor: the silica gel solution is (0.455-0.53): (1.0-1.3):10.

[0010] Optionally, the package color temperature of the LED light source body is 5700-6300K, and the color tolerance is <3.

[0011] Optionally, two opposite sides of the upper surface of the copper bracket are provided with clearance grooves along the length direction thereof close to the side edges.

[0012] Optionally, the groove depth of the relief groove is set to 0.1 mm.

[0013] Optionally, an inner groove wall of the give way groove is provided with an electroplated silver layer.

[0014] Optionally, an electroplated gold layer is provided on the outer surface of the electroplated silver layer.

[0015] Optionally, each of the LED light source bodies includes 100 series-connected LED chips and 16 parallel-connected LED chips.

[0016] The embodiment of the present invention also provides a method for preparing an integrated LED surface light source fish attracting lamp, which comprises the following steps:

[0017] S001: Baking copper bracket;

[0018] S002: Import LED chips and use a die bonding machine to bond the LED chips. After bonding, bake at 160℃±5℃ for 2H±10min.

[0019] S003: Wire bonding, using wire bonding equipment with gold wire bonding, and bonding the wires in the prescribed series and parallel manner;

[0020] S004: Micro-current lighting full inspection, use small current 1mA@220V micro-lighting test;

[0021] S005: Dam enclosure, use a dam enclosure machine to carry out dam enclosure operations and bake at 150±5℃ for 0.5H±10min;

[0022] S006: dispensing glue, preparing a fluorescent glue solution with the first phosphor, the second phosphor and the silica gel solution in a mass ratio, degassing the fluorescent glue solution with a centrifugal degassing machine, and dispensing glue with a dispensing machine after the solution is degassed, the color temperature of the dispensing glue is 5400-5600K, and the center coordinates are (0.32-0.324) / (0.388-0.396);

[0023] S007: Low temperature precipitation, the material is first placed in a degassing machine for degassing, and then placed in an oven at 40±5℃ / 3H±10min for baking using a low temperature thermal precipitation process;

[0024] S008: Baking: After low-temperature precipitation is completed, the mixture is baked in an oven at 150±5℃ / 4H±10min;

[0025] S009: Test spectrophotometry. After baking, use a spectrometer to perform spectrophotometry according to the 603 color standard.

[0026] S010: The heating platform is heated and slightly lit. After the test spectrophotometry is completed, it is placed on the heating platform at a temperature of 100±5℃ and tested with a small current of 1mA@220V;

[0027] S011: Packing and storage.

[0028] Compared with the prior art, the integrated LED surface light source fish attracting lamp and the preparation method thereof of the present invention have at least the following advantages:

[0029] 1. The integrated LED surface light source fish attracting lamp of the present invention realizes the improvement of the spectrum S / P and M / P values, has high effective brightness, high spectrum penetration into seawater, a longer field of vision, and a farther view, which is beneficial for fishermen to catch fish. The high M / P value can inhibit the secretion of melatonin by fishermen, making fishermen more energetic;

[0030] 2. The integrated LED surface light source fish attracting lamp of the present invention has a high blue-violet light content, which can attract plankton and help catch fish;

[0031] 3. The fluorescent powder glue of the integrated LED surface light source fish-catching lamp of the present invention adopts a low-temperature thermal precipitation process, which improves the brightness of the product, and also increases the heat dissipation capacity of the product and the customer rate of the product;

[0032] 4. The integrated LED surface light source fish-catching lamp of the present invention has grooves on opposite sides of the upper surface of the copper bracket close to the side edges along its length direction to release stress during the baking process of the copper bracket and prevent the copper bracket from warping and deformation, thereby ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a structural diagram of an integrated LED surface light source fish attracting lamp according to an embodiment of the present invention (before cutting).

[0034] Figure 2 This is a structural diagram of an integrated LED surface light source fish attracting lamp according to an embodiment of the present invention.

[0035] Figure 3 It is a partial structural diagram of an integrated LED surface light source fish attracting lamp according to an embodiment of the present invention.

[0036] Figure 4 This is a spectral power distribution curve of the integrated LED surface light source fish attracting lamp according to an embodiment of the present invention.

[0037] Figure 5 This is a bare crystal spectral power distribution curve of the integrated LED surface light source fish attracting lamp according to an embodiment of the present invention.

[0038] Figure 6 This is a 6500K seawater spectral transmittance analysis table of the integrated LED surface light source fish attracting lamp and metal halide lamp according to an embodiment of the present invention (seawater depth is 10m).

[0039] Figure 7 This is a 6500K seawater spectral transmittance analysis table of the integrated LED surface light source fish attracting lamp and metal halide lamp according to an embodiment of the present invention (seawater depth is 60m).

[0040] Figure 8 This is a 6500K seawater spectral transmittance analysis table of the integrated LED surface light source fish attracting lamp and metal halide lamp according to an embodiment of the present invention (seawater depth is 80m).

[0041] Fig. 9 This is a 6500K seawater spectral transmittance analysis table of the integrated LED surface light source fish attracting lamp and metal halide lamp according to an embodiment of the present invention (seawater depth is 120m).

[0042] Fig.10 This is a spectral BIN diagram of the integrated LED surface light source fish attracting lamp according to an embodiment of the present invention.

[0043] Fig.11 This is a light source test report for the integrated LED surface light source fish attracting lamp according to an embodiment of the present invention.

[0044] Fig.12 The present invention is a flowchart of a method for preparing an integrated LED surface light source fish attracting lamp according to an embodiment of the present invention.

[0045] Reference numerals:

[0046] 10--Copper bracket 11--Give way 12--LED light source body

[0047] 13--Circuit connection layer 14--LED chip 15--Positive and negative terminals. DETAILED DESCRIPTION

[0048] The following is combined with Figures 1 to 10 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.

[0049] See Figures 1 to 3 As shown, the present invention provides an integrated LED surface light source fish-attracting lamp, comprising a copper bracket 10, a circuit connection layer 13 coated on the copper bracket 10, and an LED light source body 12 connected to the circuit connection layer 13, wherein the circuit connection layer 13 leads to positive and negative terminals 15, and the LED light source body 12 comprises a plurality of LED chips 14, fluorescent glue and pins, and the plurality of LED chips 14 are connected to the positive and negative electrodes of the copper bracket 10 by gold wire bonding, and the plurality of LED chips 14 are coated with fluorescent glue.

[0050] The plurality of LED chips 14 include a plurality of first blue LED chips with a peak wavelength of 408-412 nm, a plurality of second blue LED chips with a main wavelength of 440-445 nm, and a plurality of third blue LED chips with a main wavelength of 450-460 nm.

[0051] The peak spectral optical power of the first blue light LED chip: the peak spectral optical power of the second blue light LED chip: the peak spectral optical power of the third blue light LED chip = (15-25): 100: (50-70). Specifically, the peak spectral optical power of the first blue light LED chip: the peak spectral optical power of the second blue light LED chip: the peak spectral optical power of the third blue light LED chip can be 15: 100: 50 or 25: 100: 70 or 20: 100: 60.

[0052] The number of the first blue light LED chips: the number of the second blue light LED chips: the number of the third blue light LED chips is 1:3:3; the fluorescent glue includes a silica gel solution, a first fluorescent powder with an emission peak wavelength of 545-555nm, and a second fluorescent powder with an emission peak wavelength of 510nm.

[0053] Recombination Figures 10-11The integrated LED surface light source fish attracting lamp of the embodiment of the present invention adopts a solution combining a first blue light LED chip with a peak wavelength of 408-412nm + a second blue light LED chip with a main wavelength of 440-445nm + a third blue light LED chip with a main wavelength of 450-460nm + a first phosphor with an emission peak wavelength of 545-555nm + a second phosphor with an emission peak wavelength of 510nm, which effectively improves the luminous flux of the product and improves the penetration of the spectrum into seawater. It can penetrate 120 meters deep sea area with an initial energy of 0.4%, which is 0.05% higher than that of the metal halide lamp 6500K. Its S / P (dark and bright visual brightness ratio) value is 2.10, which can provide fishermen with good vision and lighting.

[0054] Therefore, the integrated LED surface light source fish-attracting lamp and the metal halide lamp 6500K fishing lamp of the embodiment of the present invention have superior seawater penetration, higher M / P (non-visual, visual brightness ratio) value, higher S / P value, high effective brightness, and a longer depth of field, which allows fishermen to see farther, which is beneficial for fishermen to fish. Its M / P value is 0.868, which achieves a high M / P value, can inhibit the secretion of melatonin by fishermen, and make fishermen more energetic. The integrated LED surface light source fish-attracting lamp of the embodiment of the present invention has superior spectral brightness output capability, and the 800W of the present invention can replace the traditional 4000W metal halide lamp effect.

[0055] In the integrated LED surface light source fish attracting lamp of the embodiment of the present invention, the effective luminous flux is calculated according to the following formula:

[0056]

[0057] Table 1 below is a comparative analysis table of the seawater penetration rate of the metal halide lamp at 6500K and the seawater spectrum penetration rate of the present invention at the corresponding seawater depths. For the analysis of the present invention at seawater depths of 10m, 60m, 80m, and 120m, please see Figure 6-9 .

[0058]

[0059] Table 2 below is a comparative analysis table of the squid viewing efficiency (Lm / W) of the metal halide lamp at 6500K seawater depth and the squid viewing efficiency (Lm / W) of the integrated LED surface light source fish attracting lamp of the embodiment of the present invention at the corresponding seawater depth. For the squid viewing efficiency (Lm / W) analysis of the present invention at seawater depths of 10m, 60m, 80m, and 120m, please see Figure 6-9 .

[0060] Sea depth The present invention Metal halide lamp 6500K contrast 10m 1374.33 1169.41 117.52％ 60m 144.99 111.41 130.14％ 80m 63.15 48.79 129.43％ 120m 12.52 9.81 127.62％ .

[0061] Table 3 below is the M / P and S / P comparison data of metal halide lamp 6500K, sunlight with the same color temperature and the present invention.

[0062] Ratio of non-visual to visual effects in the spectrum of metal halide lamp 6500KM / PRatio The present invention M / PR 0.7741 0.868 Metal halide lamp 6500KS / PRatio dark brightness ratio The present invention S / PRatio 2.06 2.10 .

[0063] From the above comparison table 3, it can be seen that in the integrated LED surface light source fish attracting lamp of the embodiment of the present invention, it:

[0064] 1. S / P data comparison: The effective brightness of the present invention is 1.94% higher than that of the metal halide lamp 6500K, which means that under the premise of the same photopic brightness, the effective brightness of the present invention is 1.55% higher than that of the metal halide lamp 6500K, and the visual field depth is farther, and the fishermen can see farther, which is beneficial to the fishing operation;

[0065] 2. The M / P value is 12.13% higher than that of metal halide lamp 6500K, which means that it can inhibit the secretion of melatonin in fishermen, making them more energetic.

[0066] 3. After 20m seawater depth, the penetration ability of the present invention is higher than that of the traditional metal halide lamp 6500K.

[0067] 4. In seawater, the spectrum of this light source is more efficient for squid vision than the spectrum of 6500K metal halide lamp, which is conducive to catching squid seafood products.

[0068] The spectral content comparison of the integrated LED surface light source fish attracting lamp according to the embodiment of the present invention is shown in Table 4 below:

[0069]

[0070]

[0071] From the above data, it can be seen that in the integrated LED surface light source fish attracting lamp of the embodiment of the present invention:

[0072] 1. The purple light content is lower than that of 6500K metal halide lamp, which helps to protect human skin;

[0073] 2. The 480-700nm content is higher than that of 6500K metal halide lamp, which is beneficial to the photosynthetic absorption of phytoplankton;

[0074] 3. Relatively rich in blue light, it can attract plankton and help catch fish.

[0075] Furthermore, see Table 5 below for the spectroscopic parameter results of the present invention.

[0076]

[0077] See Figure 4 It can be seen that the spectral height of the integrated LED surface light source fish attracting lamp of the embodiment of the present invention satisfies the following:

[0078] 380-430nm<0.7

[0079] 450-470nm<0.9

[0080] 530-580nm>0.65

[0081] The peak wavelength of the spectrum is 430-450nm.

[0082] In another embodiment of the present invention, the first phosphor is Lu3Al5O 12 :Ce 3+ composition, half-wave width is 95-105nm, the second phosphor is Lu3Al5O 12 :Ce 3+ component, half-wave width is 50±5nm.

[0083] In another embodiment of the present invention, the mass ratio of the first phosphor: the second phosphor: the silica gel solution is (0.455-0.53): (1.0-1.3): 10. For example, the mass ratio of the first phosphor: the second phosphor: the silica gel solution is 0.455: 1.0: 10 or 0.53: 1.3: 10 or 0.49: 1.2: 10.

[0084] In another embodiment of the present invention, the package color temperature of the LED light source body 12 is 5700-6300K, and the color tolerance is <3.

[0085] In another embodiment of the present invention, the upper surface of the copper bracket 10 is provided with a clearance groove 11 along its length direction at two opposite sides close to the side edges. Specifically, through such a structural setting, the stress is released during the baking process of the copper bracket 10, and the copper bracket 10 is prevented from warping and deformation, thereby ensuring product quality.

[0086] In another embodiment of the present invention, the groove depth of the clearance groove 11 is set to 0.1 mm. By setting the groove depth to 0.1 mm, the creepage distance is set and the pressure resistance of the light source is improved.

[0087] In another embodiment of the present invention, the inner groove wall of the give way groove 11 is provided with an electroplated silver layer, and the provision of the electroplated silver layer can improve the luminous flux of the light source.

[0088] In another embodiment of the present invention, an electroplated gold layer is provided on the outer surface of the electroplated silver layer, and the electroplated gold layer can improve the corrosion resistance of the product.

[0089] In another embodiment of the present invention, each LED light source body 12 includes 98 series-connected LED chips 14 and 16 parallel-connected LED chips 14. In this way, the light source voltage is increased, a power source with higher power conversion efficiency is matched, and the overall lighting effect is improved.

[0090] See Fig.12 The embodiment of the present invention also provides a method for preparing an integrated LED surface light source fish attracting lamp, which comprises the following steps:

[0091] S001: baking the copper bracket 10;

[0092] S002: importing the LED chip 14, using a die bonding machine to bond the LED chip 14, and after the bonding is completed, baking at a temperature of 160°C ± 5°C for 2H ± 10min;

[0093] S003: Wire bonding, using wire bonding equipment with gold wire bonding, and bonding the wires in the prescribed series and parallel manner;

[0094] S004: Micro-current lighting full inspection, use small current 1mA@220V micro-lighting test;

[0095] S005: Dam enclosure, use a dam enclosure machine to carry out dam enclosure operations and bake at 150±5℃ for 0.5H±10min;

[0096] S006: dispensing glue, preparing a fluorescent glue solution with the first phosphor, the second phosphor and the silica gel solution in a mass ratio, degassing the fluorescent glue solution with a centrifugal degassing machine, and dispensing glue with a dispensing machine after the solution is degassed, the color temperature of the dispensing glue is 5400-5600K, and the center coordinates are (0.32-0.324) / (0.382-0.386);

[0097] S007: Low temperature precipitation, the material is first placed in a degassing machine for degassing, and then placed in an oven at 40±5℃ / 3H±10min for baking using a low temperature thermal precipitation process;

[0098] S008: Baking: After low-temperature precipitation is completed, the mixture is baked in an oven at 150±5℃ / 4H±10min;

[0099] S009: Test spectrophotometry. After baking, use a spectrometer to perform spectrophotometry according to the 603 color standard.

[0100] S010: The heating platform is heated and slightly lit. After the test spectrophotometry is completed, it is placed on the heating platform at a temperature of 100±5℃ and tested with a small current of 1mA@220V;

[0101] S011: Packing and storage.

[0102] The integrated LED surface light source fish attracting lamp prepared by the preparation method of the integrated LED surface light source fish attracting lamp of the embodiment of the present invention has at least the following advantages:

[0103] 1. The integrated LED surface light source fish attracting lamp of the embodiment of the present invention realizes the improvement of the S / P and M / P values ​​of the spectrum, has high effective brightness, high spectrum penetration into seawater, a longer depth of field, and can see farther, which is beneficial for fishermen to catch fish. The high M / P value can inhibit the secretion of melatonin by fishermen, making fishermen more energetic;

[0104] 2. The integrated LED surface light source fish attracting lamp of the embodiment of the present invention has a high blue-violet light content, which can attract plankton and help catch fish;

[0105] 3. The fluorescent powder glue of the integrated LED surface light source fish-catching lamp of the embodiment of the present invention adopts a low-temperature thermal precipitation process, which improves the brightness of the product, and also increases the heat dissipation capacity of the product and the customer satisfaction rate of the product;

[0106] 4. The copper bracket 10 of the integrated LED surface light source fish-attracting lamp in the embodiment of the present invention has recesses 11 on opposite sides of the upper surface close to the side edges along its length direction to release stress during the baking process of the copper bracket 10 and prevent the copper bracket 10 from warping and deformation, thereby ensuring product quality.

[0107] 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. An integrated LED surface light source fish attracting lamp, characterized in that: It includes a copper bracket, a circuit connection layer coated on the copper bracket, and an LED light source body connected to the circuit connection layer, wherein the circuit connection layer leads out positive and negative terminals, and the LED light source body includes a plurality of LED chips, fluorescent glue and pins, wherein the plurality of LED chips are connected to the positive and negative electrodes of the copper bracket by gold wire bonding, and the plurality of LED chips are coated with fluorescent glue; The plurality of LED chips include a plurality of first blue LED chips with a peak wavelength of 408-412 nm, a plurality of second blue LED chips with a main wavelength of 440-445 nm, and a plurality of third blue LED chips with a main wavelength of 450-460 nm. The peak spectral optical power of the first blue LED chip: the peak spectral optical power of the second blue LED chip: the peak spectral optical power of the third blue LED chip = (15-25): 100: (50-70); The number of the first blue light LED chips: the number of the second blue light LED chips: the number of the third blue light LED chips is 1:3:3; the fluorescent glue includes a silica gel solution, a first fluorescent powder with an emission peak wavelength of 545-555nm, and a second fluorescent powder with an emission peak wavelength of 510nm.

2. The integrated LED surface light source fish attracting lamp according to claim 1, characterized in that: The first phosphor is Lu3Al5O 12 :Ce 3+ composition, half-wave width is 95-105nm, the second phosphor is Lu3Al5O 12 :Ce 3+ component, and the half-wave width is 50±5nm.

3. The integrated LED surface light source fish attracting lamp according to claim 1, characterized in that: The mass ratio of the first phosphor: the second phosphor: the silica gel solution is (0.455-0.53): (1.0-1.3):

10.

4. The integrated LED surface light source fish attracting lamp according to claim 1, characterized in that: The package color temperature of the LED light source body is 5700-6300K, and the color tolerance is <3.

5. The integrated LED surface light source fish attracting lamp according to claim 1, characterized in that: The upper surface of the copper bracket has two opposite sides close to the side edges and provided with clearance grooves along the length direction thereof.

6. The integrated LED surface light source fish attracting lamp according to claim 5, characterized in that: The groove depth of the relief groove is set to 0.1 mm.

7. The integrated LED surface light source fish attracting lamp according to claim 5, characterized in that: The inner groove wall of the give way groove is provided with an electroplated silver layer.

8. The integrated LED surface light source fish attracting lamp according to claim 7, characterized in that: The outer surface of the electroplated silver layer is provided with an electroplated gold layer.

9. The integrated LED surface light source fish attracting lamp according to claim 1, characterized in that: Each of the LED light source bodies includes 98 series-connected LED chips and 16 parallel-connected LED chips.

10. A method for preparing the integrated LED surface light source fish attracting lamp according to any one of claims 1 to 9, characterized in that: The following steps are involved: S001: Baking copper bracket; S002: Import LED chips and use a die bonding machine to bond the LED chips. After bonding, bake at 160℃±5℃ for 2H±10min. S003: Wire bonding, using wire bonding equipment with gold wire bonding, and bonding the wires in the prescribed series and parallel manner; S004: Micro-current lighting full inspection, use small current 1mA@220V micro-lighting test; S005: Dam enclosure, use a dam enclosure machine to carry out dam enclosure operations and bake at 150±5℃ for 0.5H±10min; S006: dispensing glue, preparing a fluorescent glue solution with the first phosphor, the second phosphor and the silica gel solution in a mass ratio, degassing the fluorescent glue solution with a centrifugal degassing machine, and dispensing glue with a dispensing machine after the solution is degassed, the color temperature of the dispensing glue is 5400-5600K, and the center coordinates are (0.32-0.324) / (0.388-0.396); S007: Low temperature precipitation, the material is first placed in a degassing machine for degassing, and then placed in an oven at 40±5℃ / 3H±10min for baking using a low temperature thermal precipitation process; S008: Baking: After low-temperature precipitation is completed, the mixture is baked in an oven at 150±5℃ / 4H±10min; S009: Test spectrophotometry. After baking, use a spectrometer to perform spectrophotometry according to the 603 color standard. S010: The heating platform is heated and slightly lit. After the test spectrophotometry is completed, it is placed on the heating platform at a temperature of 100±5℃ and slightly lit with a small current of 1mA@220V; S011: Packing and storage.

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