CN219867634U - High-power LED light source module and lighting fixture - Google Patents
High-power LED light source module and lighting fixture Download PDFInfo
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- CN219867634U CN219867634U CN202222182054.7U CN202222182054U CN219867634U CN 219867634 U CN219867634 U CN 219867634U CN 202222182054 U CN202222182054 U CN 202222182054U CN 219867634 U CN219867634 U CN 219867634U
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- 230000003287 optical effect Effects 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000005388 borosilicate glass Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052747 lanthanoid Inorganic materials 0.000 description 3
- 150000002602 lanthanoids Chemical class 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000005331 crown glasses (windows) Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000005308 flint glass Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high-power LED light source module and a lighting lamp, comprising a substrate, a first light-emitting module and a second light-emitting module; the first light-emitting module comprises more than one first light sources, the more than one first light sources are distributed on the substrate at intervals, and each circle surrounded by the first light sources is approximately circularly distributed; the second light-emitting module comprises more than one second light source, the first light-emitting module and the second light-emitting module surrounding the periphery of the first light-emitting module are arranged on the substrate, a plurality of first light sources are distributed on the substrate, at least one second light source is arranged on the periphery of the plurality of first light sources, the luminous brightness efficiency, the size, the electrical parameter specification or the optical parameter specification of the first light sources are different from those of the second light sources, the purpose is that the brightness distribution of the light emitted by the light source module is protruding in the center, the light spot distribution of the light emitted by the light source module is uneven and is approximately Gaussian, the middle brightness is higher, the peripheral brightness is lower, and the brightness distribution of the emitted light is protruding in the center.
Description
Technical Field
The utility model relates to the field of illumination, in particular to a high-power LED light source module and an illumination lamp.
Background
For lighting an environment such as a movie, studio or stage, a spotlight is generally used. In the existing lighting lamp, the size, the light parameters and the electrical parameters of the lamp beads in the light source assembly are basically consistent, so that the light spots of the light emitted by the light source assembly are uniformly distributed, the brightness of the emitted light is uniformly distributed, and the light gathering effect cannot be achieved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a high-power LED light source module and an illuminating lamp; the light source module comprises a substrate, a first light emitting module and a second light emitting module which surrounds the periphery of the first light emitting module, wherein a plurality of first light sources are distributed on the substrate, at least one second light source is arranged at the periphery of the plurality of first light sources, the luminous brightness efficiency, the size, the electrical parameter specification or the optical parameter specification of the first light sources are different from those of the second light sources, the brightness distribution of the light emitted by the light source module is enabled to be central protrusion, the light spot distribution of the light emitted by the light source module is uneven and is approximately Gaussian, the middle brightness is higher, the peripheral brightness is lower, and the brightness distribution of the emitted light is central protrusion.
The high-power LED light source module is realized by the following technical scheme: the LED display device comprises a substrate, a first light-emitting module and a second light-emitting module;
the first light-emitting module comprises more than one first light sources, the more than one first light sources are distributed on the substrate at intervals, and each circle surrounded by the first light sources is approximately circularly distributed;
the second light-emitting module comprises more than one second light source which is distributed on the substrate at intervals and is arranged at the outer edge of the first light source;
the brightness of the first light-emitting module is greater than that of the second light-emitting module; the luminous flux of the first light source per unit area is larger than the luminous flux of the second light source per unit area.
As a preferable technical scheme, the area of the first light-emitting module is larger than that of the second light-emitting module.
As a preferred solution, the area of the first light source is larger than the area of the second light source.
As a preferable technical scheme, the first light source is square, the second light source is round, and the diameter of the second light source is smaller than or equal to the side length of the first light source.
As a preferred embodiment, the first light source has a side length of 1.5 mm or more, 2 mm or less, and the second light source has a diameter of 1 mm or more, and 1.4 mm or less.
As a preferred solution, the number of first light sources is larger than the number of second light sources.
As a preferred solution, the color rendering index of the first light source is smaller than the color rendering index of the second light source.
As a preferred technical solution, the light emitting angle of the first light source is smaller than the light emitting angle of the second light source.
As a preferable technical scheme, any three adjacent first light sources in the first light-emitting modules are distributed in an equilateral triangle; any three adjacent second light sources in the second light-emitting modules are distributed in an equilateral triangle.
The lighting lamp is realized by the following technical scheme: the LED light source module comprises a high-power LED light source module and a light transmission assembly, wherein the high-power LED light source module is connected to the light transmission assembly, the light transmission assembly comprises a plurality of lenses, each first light source is correspondingly connected with one lens, and each second light source is correspondingly connected with one lens.
The beneficial effects of the utility model are as follows: the first light sources are distributed on the substrate, at least one second light source is arranged at the periphery of the first light sources, and the luminous brightness efficiency, the size, the electrical parameter specification or the optical parameter specification of the first light sources are different from those of the second light sources. In this way, in the state that the first light-emitting module and the second light-emitting module emit light simultaneously, the light spots emitted by the first light-emitting module are different from the light spots emitted by the second light-emitting module, namely, the brightness at the first light-emitting module is higher than the brightness at the second light-emitting module, so that the light spots emitted by the light source module are unevenly distributed and are distributed in a Gaussian mode, the middle brightness is higher, the peripheral brightness is lower, and the brightness distribution of the emitted light is central and outstanding.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a high power LED light source module;
FIG. 2 is a schematic view of a light transmissive assembly;
fig. 3 is a schematic diagram of a light transmitting component in a high-power LED light source module.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
As shown in fig. 1, the high-power LED light source module of the present utility model includes a substrate 10, a first light emitting module 11 and a second light emitting module 12; the first light emitting module 11 includes more than one first light source 111, the more than one first light sources 111 are distributed on the substrate 10 at intervals, and each circle surrounded by the first light sources 111 is approximately circular; the second light emitting module 12 includes more than one second light source 121, the more than one second light source 121 are distributed on the substrate 10 at intervals, and the second light source 121 is arranged at the outer edge of the first light source 111; the brightness of the first light emitting module 11 is greater than that of the second light emitting module 12; the luminous flux of the first light source 111 per unit area is greater than that of the second light source 121 per unit area;
the luminous brightness efficiency, the number, the size, the electrical parameter specification or the optical parameter specification of the first light source 111 are superior to those of the second light source 121, in the state that the first light emitting module 11 and the second light emitting module 12 emit light simultaneously, the light spots emitted by the first light emitting module 11 are different from the light spots emitted by the second light emitting module 12, the brightness of the first light source 111 is larger than that of the second light source 121, and the brightness at the first light emitting module 11 is higher than that at the second light emitting module 12, so that the light spots emitted by the light source module are unevenly distributed and are approximately in Gaussian distribution, the middle brightness is higher, the peripheral brightness is lower, and the brightness distribution of the emitted light is central protrusion.
In the present embodiment, the area of the first light emitting module 11 is larger than the area of the second light emitting module 12;
specifically, when the other parameters affecting the brightness are the same, the larger the area of the first light emitting module 11 is, the higher the light emitting efficiency is, and the higher the brightness of the emitted light is. When the area of the first light emitting module 11 is larger than that of the second light emitting module 12, the brightness of the first light emitting module 11 is larger than that of the second light emitting module 12, so that the light spot distribution of the light source assembly is different, and the brightness of the emergent light is higher in the middle and lower in the periphery. In other embodiments, the area of the first light emitting module 11 is smaller than or equal to the area of the second light emitting module 12.
In the present embodiment, the area of the first light source 111 is larger than the area of the second light source 121;
specifically, the first light emitting module 11 includes a plurality of first light sources 111, the second light emitting module 12 includes a plurality of second light sources 121, and the area of the first light sources 111 is larger than the area of the second light sources 121, i.e. the light emitting efficiency of the first light sources 111 is larger than the light emitting efficiency of the second light sources 121. The brightness of the first light source 111 in the first light emitting module 11 is greater than the brightness of the second light source 121 in the second light emitting module 12, so that the brightness of the first light emitting module 11 in the middle is greater than the brightness of the second light emitting module 12. In other embodiments, the area of each first light source 111 is less than or equal to the area of each second light source 121.
In this embodiment, the first light source 111 is square, the second light source 121 is circular, and the diameter of the second light source 121 is smaller than or equal to the side length of the first light source 111;
specifically, when the diameter of the second light source 121 is equal to the side length of the first light source 111, the area of the second light source 121 is equal to the area of the inscribed circle of the first light source 111; when the diameter of the second light source 121 is smaller than the side length of the first light source 111, the area of the second light source 121 is smaller than the area of the first light source 111. In this way, the area of the first light source 111 is larger than the area of the second light source 121, that is, the area of the first light source 111 is larger than the area of the second light source 121, so that the light-emitting efficiency of the first light source 111 is larger than the light-emitting efficiency of the second light source 121, the brightness of the first light source 111 is larger than the brightness of the second light source 121, and the light-emitting brightness of the first light-emitting module 11 is more prominent. In other embodiments, the second light source 121 is triangular in shape, and the side length of the second light source 121 is smaller than the side length of the first light source 111.
In the present embodiment, the side of the first light source 111 is greater than or equal to 1.5 mm and less than or equal to 2 mm, and the diameter of the second light source 121 is greater than or equal to 1 mm and less than or equal to 1.4 mm;
specifically, the side length of the first light source 111 is 1.5 mm, 1.6 mm, 1.7 mm, 1.8 mm, 1.9 mm or 2 mm, and the diameter of the second light source 121 is 1 mm, 1.1 mm, 1.2 mm, 1.3 mm or 1.4 mm; in the present embodiment, the side length of the first light source 111 is 1.6 mm, and the diameter of the second light source 121 is 1.4. The first light source 111 and the second light source 121 with such dimensions have excellent performance, so that the light-emitting efficiency of the first light source 111 and the second light source 121 is better, and meanwhile, the light-emitting efficiency of the first light source 111 is greater than that of the second light source 121, so that the overall light-emitting brightness of the first light-emitting module 11 is greater than that of the second light-emitting module 12. In other embodiments, the side length of the first light source 111 is less than 1.5 millimeters and the diameter of the second light source 121 is greater than or equal to 1.5 millimeters.
In the present embodiment, the number of the first light sources 111 is larger than the number of the second light sources 121;
specifically, in the mounting range of the first light emitting module 11, the greater the number of the first light sources 111, the higher the luminance of the first light emitting module 11, and the luminance of the second light emitting module 12 also becomes brighter as the number of the second light sources 121 increases. So configured, when the number of the first light sources 111 is greater than the number of the second light sources 121 when the light parameters and the electric parameters of the first light sources 111 and the second light sources 121 are the same, the overall light emitting brightness of the first light emitting module 11 is greater than the overall light emitting brightness of the second light emitting module 12. In other embodiments, the number of first light sources 111 is less than or equal to the number of second light sources 121.
In the present embodiment, the color rendering index of the first light source 111 is smaller than that of the second light source 121;
specifically, the color rendering index decreases and the light-emitting brightness of the light source increases. In this way, when the color rendering index of the first light source 111 is smaller, the luminous flux of the first light source 111 is higher, so that the luminance of the first light source 111 is gradually increased, and when the color rendering index of the first light source 111 is smaller than that of the second light source 121, the luminance of the first light source 111 is larger than that of the second light source 121, so that the overall luminance of the first light emitting module 11 is larger than that of the second light emitting module 12. In other embodiments, the color rendering index of the first light source 111 is less than or equal to the color rendering index of the second light source 121.
In the present embodiment, the light emitting angle of the first light source 111 is smaller than the light emitting angle of the second light source 121;
specifically, the larger the light emission angle of the first light source 111 and the second light source 121, the more dispersed the light distribution, the better the light scattering effect, but the relative light emission brightness is reduced; the smaller the light emission angle of the first light source 111 and the second light source 121, the more concentrated the distribution of the light emission, the better the condensing effect, and the higher the light emission luminance. The light emitting angle of the first light source 111 is smaller than the light emitting angle of the second light source 121. The brightness of the first light source 111 is greater than that of the second light source 121, so that the overall brightness of the first light emitting module 11 is greater than that of the second light emitting module 12. In other embodiments, the light emission angle of the first light source 111 is greater than or equal to the light emission angle of the second light source 121.
In this embodiment, any three adjacent first light sources 111 in the first light emitting module 11 are distributed in an equilateral triangle; any three adjacent second light sources 121 in the second light emitting module 12 are distributed in an equilateral triangle;
specifically, any three adjacent first light sources 111 or second light sources 121 are arranged in an equilateral triangle, and the centers of the three first light sources 111 or the three second light sources 121 are in an equilateral triangle. The arrangement is such that the concentrated irradiation is ensured during light emission, and the extension lines of the three first light sources 111 or the three second light sources 121 in the length direction are also in an equilateral triangle shape, so that the brightness uniformity is ensured. In other embodiments, any three adjacent first light sources 111 in the first light emitting module 11 are distributed in a square shape, the second light emitting module 12 includes a plurality of second light sources 121, and any three adjacent second light sources 121 in the second light emitting module 12 are distributed in a square shape.
As shown in fig. 2 and fig. 3, the high-power LED light source module of the lighting fixture of the present utility model is connected to a light-transmitting assembly, the light-transmitting assembly includes a plurality of lenses 20, each first light source 111 is correspondingly connected to one lens 20, and each second light source 121 is correspondingly connected to one lens 20;
specifically, the light-transmitting component is connected with the light source component, each first light source 111 is correspondingly connected with one lens 20, and each second light source 121 is correspondingly connected with one lens 20. By this arrangement, the light receiving area of each lens 20 can be made larger, and the brightness of the light emitted from each first light source 111 or each second light source 121 can be ensured to be larger, compared with the case that the plurality of lenses 20 are correspondingly connected to one first light source 111 or one second light source 121. In other embodiments, one lens 20 is correspondingly connected to the plurality of first light sources 111, and one lens 20 is correspondingly connected to the plurality of second light sources 121.
In an embodiment, the plurality of lenses 20 are arranged to form a plurality of light emitting rings 201, the plurality of light emitting rings 201 are nested in sequence from inside to outside, the connecting lines of the central points of the plurality of lenses 20 on each light emitting ring 201 form a polygon, the diameters of the plurality of lenses 20 on the same light emitting ring 201 are the same, and the diameters of the lenses 20 on the plurality of light emitting rings 201 are increased from inside to outside.
Specifically, the plurality of lenses 20 are connected into a plurality of light-emitting rings 201, the plurality of light-emitting rings 201 are sequentially nested and arranged from small to large according to the diameter, the smaller the diameter of the lenses 20 is, the larger the light-emitting rate is, and the larger the light-emitting brightness is when the lamplight is transmitted; thus, the smaller the diameter of the lens 20 closer to the intermediate region, the smaller the light extraction ratio becomes as the diameter of the lens 20 becomes larger, i.e., the lower the light extraction ratio of the lens 20 farther from the intermediate region, so the higher the light extraction ratio of the lens 20 closer to the intermediate region becomes;
the light transmission assembly further includes a central lens 202, the central lens 202 is located inside the innermost light exit ring 201 of the plurality of light exit rings 201, and the central lens 202 is tangential to the plurality of lenses 20 on the innermost light exit ring 201.
Specifically, a central lens 202 tangent to the innermost light-emitting ring 201 is provided on the inner side of the innermost light-emitting ring 201, and the diameter of the central lens 202 is smaller than the diameter of each lens 20 on the innermost light-emitting ring 201; the diameter of the central lens 202 is smaller than that of each lens 20 on the innermost light-emitting ring 201, so that the light-emitting rate of the central lens 202 is larger than that of each lens 20 on the innermost light-emitting ring 201, the brightness of the central lens 202 is the largest compared with other lenses 20 during light transmission, meanwhile, the central lens 202 is tangent to the inner side of the innermost light-emitting ring 201, and the gap of the middle part of the innermost light-emitting ring 201 is filled, so that the structure is more stable; in other embodiments, the central lens 202 is spaced apart from the plurality of lenses 20 on the innermost light exit ring 201.
In one embodiment, the light incident surfaces of the plurality of lenses 20 are plane.
Specifically, when the light source irradiates the light incident surface of each lens 20, the light incident surface is flat, so that the light receiving of the lens 20 is more uniform during light incidence, and compared with the lens 20 with both surfaces being cambered surfaces, the lens 20 with the light incident surface being flat is not bulged on one side of the light incident surface during installation, thereby saving part of space; in other embodiments, the light entrance surfaces of the lenses 20 are curved surfaces.
In one embodiment, the light emitting surfaces of the plurality of lenses 20 are spherical.
Specifically, the light-emitting surface of the lens 20 is a spherical surface, so that when the light source emits from the lens 20, the light-emitting surface of the spherical surface can collect the collected light sources and emit from the light-emitting surface after being concentrated, thus the light-emitting rate of the central part of the lens 20 can be improved, and the light-emitting brightness of the central part of the lens 20 during light transmission can be improved; in other embodiments, the light-emitting surfaces of the plurality of lenses 20 are planar.
In an embodiment, the light transmission assembly further includes a mounting plate 21, the plurality of lenses 20 are mounted on the mounting plate 21, and the plurality of lenses 20 are arranged on the mounting plate 21 to form a plurality of light emitting rings 201.
Specifically, any two adjacent lenses 20 on one light-emitting ring 201 are adjacently arranged, and a plurality of lenses 20 are arranged on a mounting plate 21 to form a plurality of light-emitting rings 201; by the arrangement, the structure of the light emergent ring 201 formed by the lenses 20 is more stable, and the overall structural stability of the light-transmitting component is ensured.
In one embodiment, the light emitting ring 201 is regular hexagonal.
Specifically, when the diameters of the lenses 20 on the plurality of light-emitting rings 201 are increased from inside to outside, the number of the lenses 20 on the light-emitting rings 201 which are sequentially distributed gradually increases from inside to outside, and as the shape of the light-emitting rings 201 is regular hexagon, the number of the lenses 20 on any side edge of the plurality of light-emitting rings 201 which are sequentially nested and arranged is increased in an equal difference manner, the light-emitting rate of the plurality of light-emitting rings 201 which are sequentially nested and arranged in the same manner is decreased in an equal difference manner, so that the brightness of the central area of the light-transmitting component during light transmission is more prominent, and the Gaussian distribution effect of the light-emitting brightness of the light-transmitting component during light emission is better; in other embodiments, the light exit ring 201 is circular.
In one embodiment, the lens 20 is made of lanthanide glass, crown glass, borosilicate glass, or flint glass.
Specifically, the lens 20 made of lanthanide glass has a high refractive index and low dispersion; the lens 20 made of crown glass has high refractive index, high Abbe number and low dispersion; the lens 20 made of the high borosilicate glass has the characteristics of high temperature resistance, high hardness, high light extraction rate, high chemical stability and the like; the refractive index of the lens 20 made of flint glass is high; in this embodiment, the lenses 20 made of borosilicate glass are arranged in such a way that the light-emitting rate of each lens 20 is high, and when the light-transmitting component transmits light, the higher light-emitting brightness can be ensured; in other embodiments, lenses 20 made of lanthanide glasses are used.
The beneficial effects of the utility model are as follows: the first light sources are distributed on the substrate, at least one second light source is arranged at the periphery of the first light sources, and the luminous brightness efficiency, the size, the electrical parameter specification or the optical parameter specification of the first light sources are different from those of the second light sources. In this way, in the state that the first light-emitting module and the second light-emitting module emit light simultaneously, the light spots emitted by the first light-emitting module are different from the light spots emitted by the second light-emitting module, namely, the brightness at the first light-emitting module is higher than the brightness at the second light-emitting module, so that the light spots emitted by the light source module are unevenly distributed and are distributed in a Gaussian mode, the middle brightness is higher, the peripheral brightness is lower, and the brightness distribution of the emitted light is central and outstanding.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (10)
1. The utility model provides a high-power LED light source module which characterized in that: comprises a substrate (10), a first light-emitting module (11) and a second light-emitting module (12);
the first light-emitting module (11) comprises more than one first light source (111), the more than one first light sources (111) are distributed on the substrate (10) at intervals, and the shape of each circle surrounded by the first light sources (111) is approximately circular;
the second light-emitting module (12) comprises more than one second light source (121), the more than one second light sources (121) are distributed on the substrate (10) at intervals, and the second light sources (121) are arranged at the outer edge of the first light source (111);
the brightness of the first light-emitting module (11) is greater than that of the second light-emitting module (12); the luminous flux of the first light source (111) per unit area is larger than the luminous flux of the second light source (121) per unit area.
2. The high power LED light source module of claim 1, wherein: the area of the first light emitting module (11) is larger than the area of the second light emitting module (12).
3. The high power LED light source module of claim 1, wherein: the area of the first light source (111) is larger than the area of the second light source (121).
4. The high power LED light source module of claim 1, wherein: the first light source (111) is square, the second light source (121) is round, and the diameter of the second light source (121) is smaller than or equal to the side length of the first light source (111).
5. The high power LED light source module of claim 1, wherein: the first light source (111) has a side length of 1.5 mm or more, 2 mm or less, and the second light source (121) has a diameter of 1 mm or more, and 1.4 mm or less.
6. The high power LED light source module of claim 1, wherein: the number of first light sources (111) is greater than the number of second light sources (121).
7. The high power LED light source module of claim 1, wherein: the color rendering index of the first light source (111) is smaller than the color rendering index of the second light source (121).
8. The high power LED light source module of claim 1, wherein: the light emission angle of the first light source (111) is smaller than the light emission angle of the second light source (121).
9. The high power LED light source module of claim 1, wherein: any three adjacent first light sources (111) in the first light emitting module (11) are distributed in an equilateral triangle; any three adjacent second light sources (121) in the second light emitting modules (12) are distributed in an equilateral triangle.
10. A lighting fixture comprising the high power LED light source module and light transmitting assembly as claimed in any one of claims 1 to 9, characterized in that: the high-power LED light source module is connected to the light transmission assembly, the light transmission assembly comprises a plurality of lenses (20), each first light source (111) is correspondingly connected with one lens (20), and each second light source (121) is correspondingly connected with one lens (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222182054.7U CN219867634U (en) | 2022-08-17 | 2022-08-17 | High-power LED light source module and lighting fixture |
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| CN202222182054.7U CN219867634U (en) | 2022-08-17 | 2022-08-17 | High-power LED light source module and lighting fixture |
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| CN219867634U true CN219867634U (en) | 2023-10-20 |
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| CN202222182054.7U Active CN219867634U (en) | 2022-08-17 | 2022-08-17 | High-power LED light source module and lighting fixture |
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