CN101782219A - Large-power LED light source, large-power LED illuminating lamp using same and application of illuminating lamp - Google Patents
Large-power LED light source, large-power LED illuminating lamp using same and application of illuminating lamp Download PDFInfo
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- CN101782219A CN101782219A CN200910045509A CN200910045509A CN101782219A CN 101782219 A CN101782219 A CN 101782219A CN 200910045509 A CN200910045509 A CN 200910045509A CN 200910045509 A CN200910045509 A CN 200910045509A CN 101782219 A CN101782219 A CN 101782219A
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- 239000000758 substrate Substances 0.000 claims description 14
- 238000005286 illumination Methods 0.000 claims description 11
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- 239000008187 granular material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 230000035755 proliferation Effects 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000001149 thermolysis Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000003287 optical effect Effects 0.000 abstract description 6
- 239000011347 resin Substances 0.000 description 19
- 229920005989 resin Polymers 0.000 description 19
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
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Abstract
The invention provides a large-power LED light source, a large-power LED illuminating lamp using the same and an application of the illuminating lamp and relates to an LED lighting instrument, in particular to a large-power LED light source, a large-power LED illuminating lamp using the same and an application of the illuminating lamp. The large-power LED light source comprises an LED and a pair of optical collectors which collect light from the LED and is characterized in that the optical collectors are concave mirrors, a light-emitting part of the LED is located at a focal point of the concave mirror; the large-power LED light source also comprises a convergence lens which is located in the front of the LED, the focal point of the convergence lens is located at the light-emitting part of the LED. The invention solves the problem that luminous efficiency of the large-power LED lamp is low and the problem of luminous effect that emergent light form is not full or soft.
Description
Technical field
The present invention relates to the LED lighting, particularly a kind of high-power LED light source also relates to the purposes of the high-power LED illuminating lamp that uses this light source and this illuminating lamp.
Background technology
Economic development and energy starved contradiction are all being sought to solve in the whole world at present, and along with light emitting diode is reaching its maturity of LED technology, cost descends fast, and LED obtains using more and more widely at automobile lamp, traffic signals equipment and lighting field.The Application and Development of LED lighting brings vast market prospect and new economic development opportunity will for whole energy-saving illumination and green illumination industry, and the great power LED light emitting diode then is the inevitable choice of lighting.
Owing in the middle of the domestic and international in recent years design at this high-power LED lamp product is used, all be that the optical model that adopts single total reflection resin optically focused (TIR) lens 1 to join corresponding great power LED light emitting diode is realized the collection of luminous energy and the collimation of light (referring to Fig. 1) basically.Total reflection resin optically focused (TIR) lens 1 mostly are that the transparent resin by an entity constitutes.Require monoblock transparent resin outer surface height bright and clean, the internal density height is even, and the light transmittance height.So this total reflection resin optically focused (TIR) lens 1 complex manufacturing, cost is very high.The more important thing is that single total reflection resin optically focused (TIR) lens 1 can only make small-sized product, can't produce large-scale product, therefore influenced the scope of application, influenced illumination effect.
Except that the problems referred to above, it is lower to use the light fixture of the so this optical model of employing of central discovery still to exist the overall light extraction efficiency of light fixture at actual product, and concentrates many deficiencies such as appearing obvious bright spot suddenly relatively because of regional light on the exiting surface of light fixture.Under the sparse situation of LED light-emitting diode arrangement, can produce a large amount of bright spots, this bright spot has fragmentarily influenced the full and soft of the whole emergent light type of high-power LED lamp to a certain extent.
Summary of the invention
One of technical problem to be solved by this invention provides a kind of high-power LED light source that preposition plus lens is housed, solving the low problem of existing high-power LED light source luminous efficiency, and illumination effect problem such as the emergent light type is not full, not soft.
Two of technical problem to be solved by this invention provides a kind of lighting that uses above-mentioned led light source.
Three of technical problem to be solved by this invention provides the purposes of above-mentioned lighting.
High-power LED light source as first aspect present invention, comprise the concentrator that a LED light emitting diode and pair of LEDs light emitting diode light converge, it is characterized in that described concentrator is a concave mirror, the luminous site of described LED light emitting diode is positioned at the focus place of described concave mirror; Also comprise a plus lens, described plus lens is positioned at described LED light emitting diode the place ahead, and the focus of described plus lens is positioned at the luminous site of LED light emitting diode.The luminous site of described LED light emitting diode is positioned at the focus place of described concave mirror, helps producing the comparatively light beam of collimation, the occasion of the light beam that suitable needs comparatively collimate.
Described plus lens can be convex lens, also can be Fresnel Lenses.
Lighting as second aspect present invention, comprise a shell, it is characterized in that, solid matter has some high-power LED light sources in described shell, each high-power LED light source comprises the concentrator that a LED light emitting diode and pair of LEDs light emitting diode light converge, described concentrator is a concave mirror, and the luminous site of described LED light emitting diode is positioned at the focus place of described concave mirror; Also comprise a plus lens, described plus lens is positioned at described LED light emitting diode the place ahead, and the focus of described plus lens is positioned at the luminous site of LED light emitting diode.The luminous site of described LED light emitting diode is positioned at the focus place of described concave mirror, helps producing the comparatively light beam of collimation, the occasion of the light beam that suitable needs comparatively collimate.
Described plus lens can be convex lens, also can be Fresnel Lenses.
In lighting of the present invention, the concave mirror of each high-power LED light source and plus lens to light to converge direction consistent, i.e. the transmit direction unanimity of the light beam of Chan Shenging.Adopt the mode of a plurality of LED light emitting diodes can effectively improve light intensity, adopt technique scheme, can effectively improve luminous directionality.
In lighting of the present invention, the concave mirror of each high-power LED light source is positioned at same plane, and closely arranges.The light beam that each LED light emitting diode is produced is arranged closely, helps making the full, soft of whole emergent light type.
In lighting of the present invention, described several high-power LED light sources can become honeycomb arrangement, also can become rectangular array.
In lighting of the present invention, the concave mirror of each high-power LED light source interconnects.The plus lens of each high-power LED light source is interconnected to form whole piece.
In lighting of the present invention, also comprise a printed substrate, the LED light emitting diode of each high-power LED light source is arranged on the described printed substrate.Described printed substrate is provided with a Metal Substrate heat sink.
In lighting of the present invention, the LED light emitting diode of high-power LED light source can be the single-chip great power LED light emitting diode of different colours, also can be multi-chip high power LED light emitting diode, or multicore sheet changeable colour great power LED light emitting diode.
In lighting of the present invention, be provided with a transparent housing in plus lens the place ahead of several high-power LED light sources, or the diverging lens that light is spread.The minute surface of described diverging lens partly is densely covered with granule proliferation.Described granule proliferation is convex lens.By diverging lens, the light beam that each LED light emitting diode is produced carries out certain dispersing, and makes many light beams be integrated into a light beam, further makes the full, soft of whole emergent light type.
When plus lens of the present invention adopted convex lens, because the convex lens optical parametric is easy to grasp, and die cost was low, so be easy to produce, convex lens surface is level and smooth in addition, is easy to keep clean.
When plus lens of the present invention adopts Fresnel Lenses,, help reducing product cost, help reducing the overall weight of product because the Fresnel Lenses consumptive material is few.
Described shell rear is provided with the heat radiation bonnet that a pair of described LED light emitting diode plays thermolysis, and described Metal Substrate heat sink and described heat radiation bonnet compress.
As the purposes of the present invention's the 3rd invention, this lighting can be applied to the room illumination light fixture or be applied to the automotive lighting light fixture or road illuminating lamp or advertising lighting light fixture or searchlighting light fixture.
Be particularly useful in the high-power LED lamp of single led LED power greater than 0.5W based on above-mentioned design the present invention.
Original high-power LED lamp only adopts total reflection lens as concentrator, especially often adopts single total reflection resin optically focused (TIR) lens as concentrator.Total reflection resin optically focused (TIR) lens mostly are that the transparent resin by an entity constitutes.Require monoblock transparent resin outer surface height bright and clean, the internal density height is even, and the light transmittance height.So this total reflection resin optically focused (TIR) lens complex manufacturing, cost is very high.The more important thing is that single total reflection resin optically focused (TIR) lens can only make small-sized product, can't produce large-scale product.Therefore can only produce the thinner light beam that light is concentrated.In the certain power scope, the quantity of LED light emitting diode is limited, in order to obtain whole thicker light beam, LED light-emitting diode arrangement more sparse, therefore can produce a large amount of bright spots, this bright spot has fragmentarily influenced the full and soft of the whole emergent light type of high-power LED lamp to a certain extent, has influenced the illumination effect and the scope of application of light fixture.
In the technique scheme of the present invention, select a concave mirror and a plus lens for use, replace original total reflection lens.Have following technique effect:
At first the production technology of concave mirror, plus lens is very ripe.Concave mirror is a concentrator commonly used such as car light, flashlight, and cost is low, and is easy to produce bigbore concave mirror.As the convex lens or the Fresnel Lenses of plus lens, have the low characteristics of cost equally, and be easy to produce large-area convex lens or Fresnel Lenses.By adopting bigbore concave mirror and large-area convex lens or Fresnel Lenses, can effectively increase the cross-sectional area of light beam.Under the more sparse situation of LED light-emitting diode arrangement, can not produce a large amount of bright spots, make the full, soft of the whole emergent light type of high-power LED lamp, improved the illumination effect and the scope of application of light fixture.
Description of drawings
Fig. 1 is original high-power LED lamp product structure schematic diagram.
Fig. 2 is the sectional structure schematic diagram of lighting of the present invention and employed high-power LED light source.
Fig. 3 is the main TV structure schematic diagram of lighting of the present invention and employed high-power LED light source.
Fig. 4 is a kind of concrete application product structural representation of the present invention.
Fig. 5 is the concrete application product structural representation of another kind of the present invention.
Fig. 6 is another concrete application product structural representation of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 2 and Fig. 3, this lighting comprises a shell 2, and solid matter has some high-power LED light sources in shell 2, and these high-power LED light sources can become honeycomb arrangement, also can become rectangular array (as shown in Figure 2).
Each high-power LED light source comprises a LED light emitting diode 21, is covered with the concave mirror 22 that light is converged on the LED light emitting diode 21.The luminous site of LED light emitting diode 21 is positioned at the focus place of concave mirror 22.LED light emitting diode 21 the place aheads are provided with plus lens 23, and the focus of plus lens 23 is positioned at the luminous site of LED light emitting diode 21.Help producing the comparatively light beam of collimation, the occasion of the light beam that suitable needs comparatively collimate.Plus lens 23 can be convex lens, also can be Fresnel Lenses.
With reference to Fig. 1, original high-power LED lamp mostly only adopts total reflection lens as concentrator, especially often adopts single total reflection resin optically focused (TIR) lens 1 as concentrator.Total reflection resin optically focused (TIR) lens 1 mostly are that the transparent resin by an entity constitutes.Require monoblock transparent resin outer surface height bright and clean, the internal density height is even, and the light transmittance height.So this total reflection resin optically focused (TIR) lens 1 complex manufacturing, cost is very high.The more important thing is that this total reflection resin optically focused (TIR) lens 1 can only make small-sized product, can't produce large-scale product.Therefore can only produce the thinner light beam that light is concentrated.In the certain power scope, the quantity of LED light emitting diode is limited, in order to obtain whole thicker light beam, LED light-emitting diode arrangement more sparse, therefore can produce a large amount of bright spots, this bright spot has fragmentarily influenced the full and soft of the whole emergent light type of high-power LED lamp to a certain extent, has influenced the illumination effect and the scope of application of light fixture.
With reference to Fig. 2, in the technique scheme of the present invention, select a concave mirror 22 and a plus lens 23 for use, replace original total reflection resin optically focused (TIR) lens 1.Have following technique effect:
At first the production technology of concave mirror 22, plus lens 23 is very ripe.Concave mirror is a concentrator commonly used such as car light, flashlight, and cost is low, and is easy to produce bigbore concave mirror 22.As the convex lens or the Fresnel Lenses of plus lens 23, have the low characteristics of cost equally, and be easy to produce large-area convex lens or Fresnel Lenses.By adopting bigbore concave mirror 22 and large-area convex lens or Fresnel Lenses, can effectively increase the cross-sectional area of light beam.Under LED light emitting diode 21 is arranged sparse situation, can not produce a large amount of bright spots, make the full, soft of the whole emergent light type of high-power LED lamp, improved the illumination effect and the scope of application of light fixture.
When plus lens 23 of the present invention adopted convex lens, because the convex lens optical parametric is easy to grasp, and die cost was low, so be easy to produce, convex lens surface is level and smooth in addition, is easy to keep clean.When plus lens 23 of the present invention adopts Fresnel Lenses,, help reducing product cost, help reducing the overall weight of product because the Fresnel Lenses consumptive material is few.
In this lighting, 23 pairs of light of the concave mirror 22 of each high-power LED light source and plus lens to converge direction consistent, i.e. the transmit direction unanimity of the light beam of Chan Shenging.Adopt the mode of a plurality of LED light emitting diodes can effectively improve light intensity, adopt technique scheme, can effectively improve luminous directionality.
The concave mirror 22 of each high-power LED light source is positioned at same plane, and closely arranges and interconnect.The light beam that each LED light emitting diode is produced is arranged closely, helps making the full, soft of whole emergent light type.The plus lens 23 of each high-power LED light source is interconnected to form whole piece.
The LED light emitting diode 21 of each high-power LED light source is arranged on a printed substrate 26, printed substrate 26 is provided with a Metal Substrate heat sink, be provided with the heat radiation bonnet 25 of 21 thermolysis of pair of LEDs light emitting diode at shell 2 rears, the Metal Substrate heat sink compresses with heat radiation bonnet 25, so that 21 heat radiations of LED light emitting diode.
The LED light emitting diode of high-power LED light source can be the single-chip great power LED light emitting diode of different colours, also can be multi-chip high power LED light emitting diode, or multicore sheet changeable colour great power LED light emitting diode.
With reference to Fig. 2 and Fig. 3, be provided with the diverging lens 24 that light is spread in plus lens 22 the place aheads of several high-power LED light sources.The minute surface of diverging lens 24 partly is densely covered with granule proliferation.Granule proliferation is convex lens.Diverging lens 24 carries out certain dispersing to the light beam that each LED light emitting diode produces, and makes many light beams be integrated into a light beam, further makes the full, soft of whole emergent light type.
This lighting can be applied to the searchlighting light fixture, portable lamp 31 as shown in Figure 4.Perhaps be applied to the automotive lighting light fixture, automotive trim lamp 32 as shown in Figure 5.Perhaps room illumination light fixture, desk lamp as shown in Figure 6.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (26)
1. high-power LED light source comprises the concentrator that a LED light emitting diode and pair of LEDs light emitting diode light converge, and it is characterized in that described concentrator is a concave mirror, and the luminous site of described LED light emitting diode is positioned at the focus place of described concave mirror; Also comprise a plus lens, described plus lens is positioned at described LED light emitting diode the place ahead, and the focus of described plus lens is positioned at the luminous site of LED light emitting diode.
2. high-power LED light source according to claim 1 is characterized in that described plus lens is convex lens.
3. high-power LED light source according to claim 1 is characterized in that described plus lens is a Fresnel Lenses.
4. lighting, comprise a shell, it is characterized in that, solid matter has some high-power LED light sources in described shell, each high-power LED light source comprises the concentrator that a LED light emitting diode and pair of LEDs light emitting diode light converge, described concentrator is a concave mirror, and the luminous site of described LED light emitting diode is positioned at the focus place of described concave mirror; Also comprise a plus lens, described plus lens is positioned at described LED light emitting diode the place ahead, and the focus of described plus lens is positioned at the luminous site of LED light emitting diode.
5 lightings according to claim 4 is characterized in that described plus lens is convex lens.
6. lighting according to claim 4 is characterized in that described plus lens is a Fresnel Lenses.
7. lighting according to claim 4 is characterized in that, the concave mirror of each high-power LED light source and plus lens to light to converge direction consistent, i.e. the transmit direction unanimity of the light beam of Chan Shenging.
8. lighting according to claim 4 is characterized in that the concave mirror of each high-power LED light source is positioned at same plane, and closely arranges.
9. lighting according to claim 4 is characterized in that, described several high-power LED light sources become honeycomb arrangement.
10. lighting according to claim 4 is characterized in that, described several high-power LED light sources become rectangular array.
11. lighting according to claim 4 is characterized in that, the plus lens of each high-power LED light source is interconnected to form whole piece.
12. lighting according to claim 8 is characterized in that, the concave mirror of each high-power LED light source interconnects
13. lighting according to claim 4 is characterized in that, also comprises a printed substrate, the LED light emitting diode of each high-power LED light source is arranged on the described printed substrate.
14. lighting according to claim 13 is characterized in that, described printed substrate is provided with a Metal Substrate heat sink.
15. lighting according to claim 14 is characterized in that, described shell rear is provided with the heat radiation bonnet that a pair of described LED light emitting diode plays thermolysis, and described Metal Substrate heat sink and described heat radiation bonnet compress.
16. lighting according to claim 4 is characterized in that, the LED light emitting diode of described high-power LED light source is the single-chip great power LED light emitting diode of different colours.
17. lighting according to claim 4 is characterized in that, the LED light emitting diode of described high-power LED light source is a multi-chip high power LED light emitting diode.
18. lighting according to claim 4 is characterized in that, the LED light emitting diode of described high-power LED light source is a multicore sheet changeable colour great power LED light emitting diode.
19. lighting according to claim 4 is characterized in that, is provided with a transparent housing in plus lens the place ahead of several high-power LED light sources.
20. lighting according to claim 4 is characterized in that, is provided with the diverging lens that a pair of light spreads in plus lens the place ahead of several high-power LED light sources.
21. lighting according to claim 20 is characterized in that, the minute surface of described diverging lens partly is densely covered with granule proliferation.
22. lighting according to claim 21 is characterized in that, described granule proliferation is convex lens.
23. a lighting as claimed in claim 4 can be used for preparing the room illumination light fixture.
24. a lighting as claimed in claim 4 can be used for preparing the automotive lighting light fixture.
25. a lighting as claimed in claim 4 can be used for preparing road illuminating lamp.
26. a lighting as claimed in claim 4 can be used for preparing the advertising lighting light fixture.
27. a lighting as claimed in claim 4 can be used for preparing the searchlighting light fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100455097A CN101782219B (en) | 2009-01-19 | 2009-01-19 | Large-power LED light source, large-power LED illuminating lamp using same and application of illuminating lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100455097A CN101782219B (en) | 2009-01-19 | 2009-01-19 | Large-power LED light source, large-power LED illuminating lamp using same and application of illuminating lamp |
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| Publication Number | Publication Date |
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| CN101782219A true CN101782219A (en) | 2010-07-21 |
| CN101782219B CN101782219B (en) | 2011-08-10 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734646A (en) * | 2011-04-01 | 2012-10-17 | 上海广茂达光艺科技股份有限公司 | LED downlight |
| CN103562621A (en) * | 2011-05-30 | 2014-02-05 | 齐扎拉光系统有限责任公司 | Vehicle headlight having LED light modules for generating a main light distribution and an additional light distribution |
| CN103791275A (en) * | 2014-01-14 | 2014-05-14 | 北京控制工程研究所 | Large-area parallel-light simulator |
| CN106960902A (en) * | 2017-03-24 | 2017-07-18 | 宁波升谱光电股份有限公司 | A kind of SMD flip LED light source and preparation method thereof and LED array |
| CN108036277A (en) * | 2017-12-25 | 2018-05-15 | 上海小糸车灯有限公司 | A kind of car light and its light path conduction device |
| WO2019127976A1 (en) * | 2017-12-25 | 2019-07-04 | 华域视觉科技(上海)有限公司 | Vehicle lamp and light path transmission device thereof |
| CN112146057A (en) * | 2019-06-26 | 2020-12-29 | 株式会社小糸制作所 | Vehicle lamp |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2462230Y (en) * | 2000-12-28 | 2001-11-28 | 张文虎 | Multipurpose LED circular transmitting signal lamp |
| CN2489181Y (en) * | 2001-02-23 | 2002-05-01 | 张文虎 | Luminous diode all projector-type functional lamp |
| CN1175200C (en) * | 2001-12-18 | 2004-11-10 | 财团法人工业技术研究院 | Luminous diode illuminating light source device |
| CN2729517Y (en) * | 2004-09-06 | 2005-09-28 | 宏齐科技股份有限公司 | LED lighting lamp |
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2009
- 2009-01-19 CN CN2009100455097A patent/CN101782219B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734646A (en) * | 2011-04-01 | 2012-10-17 | 上海广茂达光艺科技股份有限公司 | LED downlight |
| CN103562621A (en) * | 2011-05-30 | 2014-02-05 | 齐扎拉光系统有限责任公司 | Vehicle headlight having LED light modules for generating a main light distribution and an additional light distribution |
| CN103791275A (en) * | 2014-01-14 | 2014-05-14 | 北京控制工程研究所 | Large-area parallel-light simulator |
| CN106960902A (en) * | 2017-03-24 | 2017-07-18 | 宁波升谱光电股份有限公司 | A kind of SMD flip LED light source and preparation method thereof and LED array |
| CN108036277A (en) * | 2017-12-25 | 2018-05-15 | 上海小糸车灯有限公司 | A kind of car light and its light path conduction device |
| WO2019127976A1 (en) * | 2017-12-25 | 2019-07-04 | 华域视觉科技(上海)有限公司 | Vehicle lamp and light path transmission device thereof |
| CN112146057A (en) * | 2019-06-26 | 2020-12-29 | 株式会社小糸制作所 | Vehicle lamp |
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|---|---|
| CN101782219B (en) | 2011-08-10 |
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Address after: 201314 No. 89, nanxuan Road, Xuanqiao Town, Pudong New Area, Shanghai Patentee after: Shanghai Kaiteng Signal Equipment Co.,Ltd. Address before: 201314 3 groups, central village, Xuan Town, Nanhui District, Shanghai Patentee before: Shanghai Cata Signal Co.,Ltd. |
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Denomination of invention: A high-power LED light source and a high-power LED lighting lamp using the light source, and the purpose of the lighting lamp Granted publication date: 20110810 Pledgee: Agricultural Bank of China Limited Shanghai pilot Free Trade Zone New Area Branch Pledgor: Shanghai Kaiteng Signal Equipment Co.,Ltd. Registration number: Y2024980014501 |