CN117238902A - Full spectrum LED light source - Google Patents
Full spectrum LED light source Download PDFInfo
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- CN117238902A CN117238902A CN202311143965.1A CN202311143965A CN117238902A CN 117238902 A CN117238902 A CN 117238902A CN 202311143965 A CN202311143965 A CN 202311143965A CN 117238902 A CN117238902 A CN 117238902A
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- blue light
- glue
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- fluorescent powder
- light source
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- 238000001228 spectrum Methods 0.000 title claims abstract description 38
- 239000003292 glue Substances 0.000 claims abstract description 63
- 239000000843 powder Substances 0.000 claims abstract description 35
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000005281 excited state Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000001795 light effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 208000003464 asthenopia Diseases 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007407 health benefit Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 102220007331 rs111033633 Human genes 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
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Abstract
The invention discloses a full spectrum LED light source, which comprises four blue light chips with different wave bands and fluorescent glue; the wave band range of the four blue light chips is 430nm-480nm; the blue light chip is packaged in a bowl cup of the bracket through fluorescent glue, and the anode and the cathode of the blue light chip are connected with the anode and the cathode of the bracket through alloy wires; the fluorescent glue is prepared by mixing glue and fluorescent powder. The full spectrum LED light source is characterized in that the whole spectrum graph is adjusted and supplemented on the basis of the original conventional high-definition finger, and four blue light chips with different sizes and different powers are used for effectively inhibiting the low-energy blue light value and compensating the proportion of beneficial blue light in 455-505 sections. Through the collocation of 430nm-480nm wave bands of the blue light chip, four blue light wave peak patterns appear by adjusting the proportion of the fluorescent powder, meanwhile, the display index is improved to be more than 98, and after the blue light chip is manufactured into a finished lamp, the blue light hazard can reach RG0, so that the object display is more real, and eyes are protected more effectively.
Description
Technical Field
The invention relates to the technical field of illumination, in particular to a full-spectrum LED light source.
Background
Modern people are in the room for a long time, and the health benefits cannot be obtained from the sun. The full spectrum has the meaning of reproducing sunlight, and the spectrum with rich full spectrum light can reproduce the true colors of objects, so that vivid illumination is provided, the visual fatigue of human eyes is relieved, and the comfort of the user light environment is improved. Due to the rapid development of the LED technology, the novel LED light source is increasingly used by people due to the characteristics of energy saving, environmental protection, durability and the like, and gradually replaces the conventional illumination light source. At the same time, however, the damage to the retina from LED light sources and the impact on the living beings' daily living-joint rhythm also suggest that we are awake to see the risk of LED illumination on the biological safety of the human body.
The current LED light source has the following three modes:
1. the fluorescent powder is excited by the high-energy blue light chip, so that the CRI value is high, the color reduction degree is high in actual irradiation, but in order to improve the color reduction fidelity and the light efficiency, the high-energy blue light is used in a larger proportion, and the high-energy blue light has the greatest damage to human eyes;
2. the ultraviolet chip is used for exciting RGB fluorescent powder, blue light is relatively less, the CRI value is higher after proper adjustment, an ultraviolet spectrum is introduced, meanwhile, the high-energy blue light ratio is relatively higher, the cost is high, and the market utilization rate is lower;
3. the OLED current injection type luminous display is adopted, under the drive of an external voltage, holes and electrons are respectively injected into an organic material from an anode and a cathode, the holes and the electrons meet and are compounded in an organic layer, energy is released, the energy is transferred to molecules of an organic luminous substance, the molecules are enabled to transit from a ground state to an excited state, the excited state is unstable, the excited molecules return to the ground state from the excited state, and the excited molecules are enabled to transit in a radiation mode to generate a luminous phenomenon.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem to be solved by the application is how to provide a full-spectrum LED light source which can reduce blue light wave peaks, has good spectrum continuity, is more formal in object color development, is more vivid in object restoration and is more comfortable to eyes.
In order to solve the technical problems, the invention adopts the following technical scheme:
a full spectrum LED light source comprises four blue light chips with different wave bands and fluorescent glue;
the wave band range of the four blue light chips is 430nm-480nm; the blue light chip is packaged in a bowl cup of the bracket through fluorescent glue, and the anode and the cathode of the blue light chip are connected with the anode and the cathode of the bracket through alloy wires;
the fluorescent glue is prepared by mixing glue and fluorescent powder.
Preferably, the four blue light chips comprise a first chip with the wave band of 440nm-442.5nm, a second chip with the wave band of 450nm-452.5nm, a third chip with the wave band of 460nm-462.5nm and a fourth chip with the wave band of 470nm-472.5 nm.
Preferably, four blue light chips are connected in parallel.
Preferably, the support is a high heat conduction copper support.
Preferably, the ratio of glue to fluorescent powder used for the color temperature of 2900-3100K is 4:6, and the fluorescent powder is RRC01: GGB01: GGB02 is (1.6-2.1) in mass ratio: (2.5-3.0): (4.8-5.5).
Preferably, the ratio of glue to phosphor used for the color temperature of 4000-4300K is 3:7, and the phosphor is RRC01: GGA01: GGB01 the mass ratio is (1.0-1.5): (0.3-0.5): (5-7).
Preferably, the ratio of glue to fluorescent powder used for the color temperature of 5000-5400K is 2:8, and the fluorescent powder is RRC01: GGA01: GGB01 the mass ratio of which is (0.7-0.9): (0.4-0.6): (3-5).
RRC01 is 603 nm-band fluorescent powder, GGB01 is 559 nm-band fluorescent powder, GGB02 is 524 nm-band fluorescent powder, and GGA01 is 502 nm-band fluorescent powder.
Preferably, the glue is high refractive glue.
A full spectrum LED light source comprises the following steps:
s1: glue is dispensed in a bowl cup of the bracket, four blue light chips are respectively fixed in the bowl cup of the bracket, heating and baking are carried out, and crystal fixing is carried out on the blue light chips through the glue;
s2: the material after die bonding is used for connecting the anode and the cathode of the blue light chips with the anode and the cathode of the bracket through an alloy wire by a wire bonding process, and the four blue light chips are connected in parallel;
s3: mixing glue with fluorescent powder to obtain fluorescent glue;
s4: filling fluorescent glue in the bowl cup, completely wrapping four blue light chips by the fluorescent glue, and packaging the blue light chips; parameter indexes: RA >98, R1-R15>90, color temperature range 2900-5400; four blue light wave bands are presented, and after the packaged materials are subjected to sorting test, the materials with standard lamp bead parameters are braided, and then the finished products are packaged in vacuum by an aluminum foil bag.
In conclusion, the full spectrum LED light source mainly adjusts and supplements the whole spectrum graph on the basis of the original conventional high-definition finger, and four blue light chips with different sizes and different powers can be used for effectively inhibiting the low-energy blue light value and compensating the proportion of beneficial blue light in 455-505 nm section. The chip is matched with a wave band of 430nm-480nm, and the proportion of the fluorescent powder is adjusted to enable four blue light wave peak patterns to appear, and the blue light spectrum patterns are close to solar spectrum and are in a continuous state; the waveform simultaneously promotes the display finger to be more than 98 and simultaneously R1-R15 are more than 90, and the blue light hazard level can reach RG0 after the finished lamp is manufactured, so that the object display is more real and eyes are protected more effectively. The bead parameters require the use of a spectroscopic test instrument to test specific data.
Drawings
Fig. 1 is a diagram showing distribution of four blue light chips of different wavelength bands in a holder.
Fig. 2 is a spectrum diagram of a full spectrum LED light source of four blue chips of the first and fourth embodiments.
Fig. 3 is a spectrum diagram of a full spectrum LED light source of four blue chips of the second and fifth embodiments.
Fig. 4 is a spectrum diagram of a full spectrum LED light source of four blue chips of the third and sixth embodiments.
Fig. 5 is a spectrum of conventional Shan Languang.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the azimuth or positional relationship indicated by the azimuth words such as "upper, lower" and "top, bottom", etc. are generally based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and these azimuth words do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth or be constructed and operated in a specific azimuth, without limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Examples
As shown in fig. 1, a full spectrum LED light source includes four blue chips with different wavebands and fluorescent glue;
the wave band range of the four blue light chips is 430nm-480nm; the blue light chip is packaged in a bowl cup of the bracket through fluorescent glue, and the anode and the cathode of the blue light chip are connected with the anode and the cathode of the bracket through alloy wires;
the fluorescent glue is prepared by mixing glue and fluorescent powder.
The four blue light chips comprise a first chip 1 with the wave band of 440nm-442.5nm, a second chip 2 with the wave band of 450nm-452.5nm, a third chip 3 with the wave band of 460nm-462.5nm and a fourth chip 4 with the wave band of 470nm-472.5 nm. The four blue light chips are connected in parallel.
The four blue light chips are different in size and power.
The support 5 is a high heat conduction copper support.
Embodiment one, as in fig. 2:
color temperature 3000K, first chip PR:12 x 36, second chip SA:7 x 18, third chip SA:7 x 18, fourth chip GX:5*8.
The mass ratio of the fluorescent powder is GGB: GGB02: RRC01 is (2.5-3.0), respectively): (4.8-5.5): (1.6-2.1).
The glue adopts A: b glue, A glue: glue B1.7: 17.
embodiment two, as shown in fig. 3:
color temperature 4000K, first chip PR:12 x 36, second chip SA:7 x 18, third chip SA:7 x 18, fourth chip GX:5*8.
The fluorescent powder is GGA01: GGB01: RRC01 is (0.3-0.8), respectively): (5-7): (1-1.5).
The glue adopts A: b glue, A glue: glue B1.9: 19.
embodiment three, as shown in fig. 4:
color temperature 5000K, first chip PR:12 x 36, second chip SA:7 x 18, third chip SA:7 x 18, fourth chip GX:5*8.
The fluorescent powder is GGA01: GGB01: RRC01 is (0.2-0.8), respectively): (3-5): (0.7-1).
The glue adopts A: b glue, A glue: glue B1.7: 17.
embodiment four, as in fig. 2:
color temperature 3000K, first chip QZ:15 x 30, second chip SA:12 x 29, third chip SA:12 x 29, fourth chip SA 11 x 16.
The mass ratio of the fluorescent powder is GGB: GGB02: RRC01 is (2.5-3.0), respectively): (4.8-5.5): (1.6-2.1).
The glue adopts A: b glue, A glue: glue B1.7: 17.
embodiment five, as in fig. 3:
color temperature 4000K, first chip QZ:15 x 30, second chip SA:12 x 29, third chip SA:12 x 29, fourth chip SA 11 x 16.
The fluorescent powder is GGA01: GGB01: RRC01 is (0.3-0.8), respectively): (5-7): (1-1.5).
The glue adopts A: b glue, A glue: glue B1.9: 19.
embodiment six, as shown in fig. 4:
color temperature 5000K, first chip QZ:15 x 30, second chip SA:12 x 29, third chip SA:12 x 29, fourth chip SA 11 x 16.
The fluorescent powder is GGA01: GGB01: RRC01 is (0.2-0.8), respectively): (3-5): (0.7-1).
The glue adopts A: b glue, A glue: glue B1.7: 17.
comparative example, as in fig. 5:
conventional Shan Languang, 4000 color temperature. As in fig. 5.
Conventional Shan Languang 4000-4300K color temperature: only one chip is fixed in the bowl cup, dispensing is performed after a wire bonding process, the ratio of the used glue to the fluorescent powder is 2:8, and the fluorescent powder is 660:490:530 in mass ratio (1.0-1.2): (2-2.5): (9-9.1). The following relative parameters were derived:
color parameters:
chromaticity coordinates (2 degrees): x= 0.3857 y= 0.3879/u '= 0.2241v' = 0.5072
duv＝2.199e-003
Correlated color temperature: tc=3943k dominant wavelength: d= 577.5nm color purity: purity=32.2%
Color ratio: r=20.5% g=74.9% b=4.7% peak wavelength: p= 628.3nm
Half width: d=207.6 nm
Color rendering index: ra=97.5
R1＝99.07R2＝98.82 R3＝97.42R4＝94.01R5＝97.10
R6= 99.58R7 =96.90 r8= 97.29R9 = 95.20R10 = 98.80R11 = 91.31R12 = 95.14R13 = 99.40R14 = 98.53R15 = 98.30TM30 parameters: rf:95.7, rg:101.5
Photometric parameters:
luminous flux = 20.33 1m light effect: 110.02 1m/w e =67.07 mW
Electrical parameters:
forward voltage ve= 3.085v forward current if=59.90 mA power p=184.8 mv Chl step: new Class white light classification: ANSI 400OK
Instrument status: integration time t= 607.00ms ip=46283 (71%)
[HAAS1200 VI USB]V2.00.302
The test parameters of the four blue lights of the invention are as follows:
color parameters:
chromaticity coordinates (2 degrees): x= 0.3732 y= 0.3715/u '= 0.2224v' = 0.4982
duv＝-1.763e-003
Correlated color temperature tc=4166K dominant wavelength: d= 578.6nm color shade: purity=23.5%
Color ratio: r=20.1% g=74.8% b=5.% peak wavelength: p= 625.3nm
Half width: d= 255.1nm
Color rendering index: ra=98.7
R1＝98.49R2＝99.10R3＝98.36R4＝99.01R5＝98.84
R6＝97.69R7＝98.99R8＝99.34R9＝98.44R10＝99.23
R11＝97.66R12＝93.51R13＝98.61R14＝98.52R15＝98.66
TM30 parameters: rf:97.2, rg:101.5
Photometric parameters:
luminous flux = 16.25 1m light effect: 149.57 1m/W e = 53.62mW
Electrical parameters:
forward voltage vf= 2.722V forward current if=39.90 mA power p=108.6 mW chl
Grade separation, new class white light classification: ANSI (American Standard interface)4000K
Instrument status:
integration time t=802.00 ms ip=48035 (73%) [ HAAS1200V1USB]V2.00.302
The comparison of the test parameters of the comparative example and the four blue lights of the invention shows that: the conventional Shan Languang peak is obviously higher, the middle wave band groove is too deep, no continuity exists between spectrums, and the four-blue light spectrum just compensates all defects, and the spectrum graph is in a continuous state and is more similar to the solar spectrum.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. The full spectrum LED light source is characterized by comprising four blue light chips with different wave bands and fluorescent glue;
the wave band range of the four blue light chips is 430nm-480nm; the blue light chip is packaged in a bowl cup of the bracket through fluorescent glue, and the anode and the cathode of the blue light chip are connected with the anode and the cathode of the bracket through alloy wires;
the fluorescent glue is prepared by mixing glue and fluorescent powder.
2. The full spectrum LED light source of claim 1, wherein the four blue light chips comprise a first chip having a wavelength of 440nm to 442.5nm, a second chip having a wavelength of 450nm to 452.5nm, a third chip having a wavelength of 460nm to 462.5nm, and a fourth chip having a wavelength of 470nm to 472.5 nm.
3. The full spectrum LED light source of claim 1, wherein four blue light chips are connected in parallel.
4. The full spectrum LED light source of claim 1, wherein said mount is a highly thermally conductive copper mount.
5. The full spectrum LED light source of claim 1, wherein the ratio of glue to phosphor used for the color temperature of 2900-3100K is 4:6, said phosphor being RRC01: GGB01: GGB02 is (1.6-2.1) in mass ratio: (2.5-3.0): (4.8-5.5);
wherein, RRC01 is 603nm wave band fluorescent powder, GGB01 is 559nm wave band fluorescent powder, GGB02 is 524nm wave band fluorescent powder.
6. The full spectrum LED light source of claim 1, wherein the ratio of glue to phosphor used for the 4000-4300K color temperature is 3:7, said phosphor being RRC01: GGA01: GGB01 the mass ratio is (1.0-1.5): (0.3-0.5): (5-7);
wherein, RRC01 is 603nm wave band fluorescent powder, GGA01 is 502nm wave band fluorescent powder, GGB01 is 559nm wave band fluorescent powder.
7. The full spectrum LED light source of claim 1, wherein the ratio of glue to phosphor used for the color temperature of 5000-5400K is 2:8, and the phosphor is RRC01: GGA01: GGB01 the mass ratio of which is (0.7-0.9): (0.4-0.6): (3-5).
Wherein, RRC01 is 603nm wave band fluorescent powder, GGA01 is 502nm wave band fluorescent powder, GGB01 is 559nm wave band fluorescent powder.
8. The full spectrum LED light source of claim 1, wherein said glue is a high refractive glue.
9. The full spectrum LED light source of claim 1, wherein the manufacturing process comprises the steps of:
s1: glue is dispensed in a bowl cup of the bracket, four blue light chips are respectively fixed in the bowl cup of the bracket, heating and baking are carried out, and crystal fixing is carried out on the blue light chips through the glue;
s2: the material after die bonding is used for connecting the anode and the cathode of the blue light chips with the anode and the cathode of the bracket through an alloy wire by a wire bonding process, and the four blue light chips are connected in parallel;
s3: mixing glue with fluorescent powder to obtain fluorescent glue;
s4: filling fluorescent glue in the bowl cup, completely wrapping four blue light chips by the fluorescent glue, and packaging the blue light chips; parameter indexes: RA >98, R1-R15>90, color temperature range 2900-5400; four blue light wave bands are presented, and after the packaged materials are subjected to sorting test, the materials with standard lamp bead parameters are braided, and then the finished products are packaged in vacuum by an aluminum foil bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311143965.1A CN117238902A (en) | 2023-09-06 | 2023-09-06 | Full spectrum LED light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311143965.1A CN117238902A (en) | 2023-09-06 | 2023-09-06 | Full spectrum LED light source |
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| Publication Number | Publication Date |
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| CN117238902A true CN117238902A (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311143965.1A Pending CN117238902A (en) | 2023-09-06 | 2023-09-06 | Full spectrum LED light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117558723A (en) * | 2024-01-12 | 2024-02-13 | 广东华辉煌光电科技有限公司 | Multi-wave crest continuous full-spectrum eye-protection light source and manufacturing method thereof |
-
2023
- 2023-09-06 CN CN202311143965.1A patent/CN117238902A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117558723A (en) * | 2024-01-12 | 2024-02-13 | 广东华辉煌光电科技有限公司 | Multi-wave crest continuous full-spectrum eye-protection light source and manufacturing method thereof |
| CN117558723B (en) * | 2024-01-12 | 2024-03-29 | 广东华辉煌光电科技有限公司 | Multi-wave crest continuous full-spectrum eye-protection light source and manufacturing method thereof |
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