CN107420774A - LED illumination module with light distributing function - Google Patents
LED illumination module with light distributing function Download PDFInfo
- Publication number
- CN107420774A CN107420774A CN201710841126.5A CN201710841126A CN107420774A CN 107420774 A CN107420774 A CN 107420774A CN 201710841126 A CN201710841126 A CN 201710841126A CN 107420774 A CN107420774 A CN 107420774A
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- Prior art keywords
- led
- lens
- light
- illumination module
- distributing function
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- Pending
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- 238000005286 illumination Methods 0.000 title claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims abstract description 19
- 238000009826 distribution Methods 0.000 claims abstract description 18
- 238000003491 array Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 5
- 230000018109 developmental process Effects 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 4
- 206010023126 Jaundice Diseases 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 102000030938 small GTPase Human genes 0.000 description 1
- 108060007624 small GTPase Proteins 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/69—Details of refractors forming part of the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention relates to a kind of LED illumination module with light distributing function,It is characterized in that provided with the radiator for connecting successively from top to bottom and being assembled into one,LED area light source template,Waterproof apron and optical lens,Wherein described optical lens main body is strip and section semicircular in shape,The upside of the lens body is provided with inner fovea part,The outside both ends of the surface of optical lens main body are symmetrically arranged 150 ° of gradient face,The U-shaped parabola conic wire casing array of the property such as non-is provided with the inner fovea part of inner side,The present invention is compared with prior art,Imitated with whole light higher,Led area sources are remote from lens distance,Good heat dissipation,Light decay serious situation will not be produced,And lens are also not in the phenomenon of aging jaundice,The refraction of light and luminous intensity distribution are more scientific,Go for the illumination of different occasions,Lens need not be redesigned in addition and make mould,The luminous intensity distribution of different occasions can be achieved,Greatly reduce the advantages of development difficulty and development cost etc. are notable.
Description
Technical field：
The present invention relates to technical field of semiconductor illumination, more particularly to a kind of tool that can effectively reduce production cost
There is the LED illumination module of light distributing function.
Background technology：
As energy crisis aggravates, lighting energy saving improvement project is paid attention in many ways, in order to obtain optimal energy-saving effect,
To prevent unnecessary illumination to be lost in, and the effect of lighting energy saving can be played by carrying out rational luminous intensity distribution to light fixture.
According to the demand of different illumination occasions, the light fixture of selection must have suitable light distributing function.For now, lamp
The luminous intensity distribution of tool is realized by the optical lens that is configured on light fixture.In order to obtain preferable illuminating effect and perfectly match somebody with somebody
Light curve, it is required for carrying out the optical design of specialty per money light fixture at this stage according to its light source or packaging.City at present
Light source is traditional array light source used by product on face, and light efficiency is low, and light source is close from lens, and the time one is grown, and light decay is very
Seriously, and the easy aging of lens is turned to be yellow, and illuminating effect has been had a strong impact on, in addition, carrying out luminous intensity distribution in this way, it is desirable to no
With light fixture, different illumination occasions is, it is necessary to different types of lens, and lens need to mold and made, and different lens need
Different moulds is opened, time-consuming, waste of resource, improves production cost and product cost.
The content of the invention：
The present invention is for shortcoming and defect present in prior art, it is proposed that a kind of effectively to reduce production cost
LED illumination module with light distributing function.
The present invention is reached by following measures：
A kind of LED illumination module with light distributing function, it is characterised in that provided with connecting successively from top to bottom and be assembled into
Radiator, LED area light source template, waterproof apron and the optical lens of one, wherein the optical lens main body is strip
And section semicircular in shape, the upside of the lens body are provided with inner fovea part, the outside both ends of the surface of optical lens main body are symmetrically to set
150 ° of the gradient face put, the U-shaped parabola conic wire casing array of the property such as non-is provided with the inner fovea part of inner side.
Optical lens main body of the present invention is strip, and its section is semicircle, and its outside both ends of the surface is to be symmetrical arranged
Inclined-plane, the lowest part line of inclined-plane and optical lens main body evagination is in 150 °.
The U-shaped parabola conic wire casing array of the property such as non-of the present invention is that top is cylindrical tube shape portion, on bottom is
The groove of narrow conical inner fovea part under width, cylindrical tube shape portion form U-shaped parabola conic section with the insertion of conical inner fovea part
Groove, it extends to two madial walls along bottom, and top width, the height of U-shaped parabola conic wire casing are respectively 8mm, 8mm, under
Top width, the height of conical inner fovea part of the conical inner fovea part in portion are respectively 14mm, 12mm, match somebody with somebody light efficiency to improve
Fruit, U-shaped parabola conic wire casing is pressed into 11.5 spacing, it is longitudinally parallel that 16 formation arrays are set, reach perfect luminous intensity distribution
As a result.
In the longitudinal cross-section of optical lens main body of the present invention, U-shaped parabola conic section groove forms 16 wide
9.7mm, high 6.3mm parabola；Laterally the section between two grooves is wide 33.4mm, and high 11.25mm parabola is horizontal
The section of groove is 50mm, high 18mm parabola.
Radian on the outside of the arc of lens body of the present invention is R26.5.
Lens body of the present invention uses integral module formula, and material is transparent PC.
LED area light source template of the present invention includes aluminium base, fluorescence coating and several LED line battle arrays, wherein LED line battle array
It is fixed on module aluminium base, fluorescence coating is packaged in above LED line battle array, and LED area light source uses reverse installation process, can use 1 mould
Group, 2 modules, 3 modules, 4 modules, 5 modules, 6 modules, flexibility is extremely strong, also easily Fast Installation, is applicable to street lamp, light projector
The different illumination place such as lamp, Tunnel Lamp, bulkhead lamp.
LED area light source template of the present invention is screwed on radiator, and radiator is provided with using the good gold of thermal diffusivity
Housing made of category material and the radiating fin array for being distributed in hull outside, radiating fin array are put down each other including several
The radiating fin that row is set, several radiating fins are placed parallel along lens body bearing of trend, the length range of radiating fin
For 40.5 to 50.5mm, the spacing range of adjacent radiating fin is 7.5 to 8mm, corresponding with lens body front-end and back-end
The length of radiating fin be less than the length for being distributed in radiating fin in the middle part of lens body.
LED area light source template is connected with light source output line through water joint in the present invention.
The present invention, because the refraction angle of the diverse location of lens body inner groovy is not consistent, adds during use
Upper 16 U-shaped grooves in longitudinal direction and the inclined-plane of 150 ° of both sides effectively can widen angle, and by changing inner side longitudinal fluting
Width, height and array quantity, only need lens die to change core can and reach the luminous intensity distributions of different occasions, then coordinate
Led modular surface light sources, you can realize effective luminous intensity distribution of a variety of occasions.
Compared with prior art, there is whole light to imitate, and higher, Led area sources are remote from lens distance, good heat dissipation, no by the present invention
Light decay serious situation can be produced, and lens are also not in that the phenomenon of aging jaundice, the refraction of light and luminous intensity distribution have more science
Property, go for the illumination of different occasions, lens need not be redesigned in addition and make mould, you can realize different occasions
Luminous intensity distribution, greatly reduce the advantages of development difficulty and development cost etc. are notable.
Reference：
Accompanying drawing 1 is schematic structural view of the invention.
Accompanying drawing 2 is structure decomposition figure of the invention.
Accompanying drawing 3 is longitudinal illumination structure chart of the invention.
Accompanying drawing 4 and accompanying drawing 5 are transverse illumination structure chart of the invention.
Accompanying drawing 6 is the starting parabolic curve figure of groove.
Reference：1 optical lens, 2led modular surface light sources, 3 radiators, 4 waterproof aprons, 5 water joints, 6 light sources are defeated
Go out to hold, 7 fixed screws, 8 longitudinal fluting sections, 9 longitudinal gradients, 10 horizontal radians, the parabolic between the groove of 11 laterally inboard two
Line chart, the parabolic line chart of 12 laterally inboard grooves.
Embodiment：
Led illuminated by surface light source modules provided by the invention with light distributing function, including led modular surface light sources, lens, dissipate
Hot device, the most of composition in light source output end four, distribution curve flux pass through horizontal, the longitudinal cross-sectional width height of lens, different thickness
Degree and micro-structural are realized, without changing different lens.
The led modular surface light sources include several led linear arrays, fluorescence coating and module substrates, and led linear arrays are fixed on module
On substrate, fluorescence coating is packaged in above led linear arrays.
In the present invention, led modular surface light sources are screwed on radiator, and then lens pass through screw and waterproof
Cushion rubber is fixed on a heat sink.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, to help present disclosure is understood.
Described embodiment is only the section Example of the present invention.Creation is not made based on the embodiment in the present invention
Other all embodiments of property achievement, belong to protection scope of the present invention.
Embodiment：
A kind of LED illumination module with light distributing function, includes 1 optical lens, 2led modular surface light sources, 3 radiators, 4
Light source output end four is most of, and product appearance is as shown in Figure 1.
The concrete structure diagram of the illumination module is as shown in Figure 2.
The light distribution structure figure of the illumination module is as shown in Fig. 3 Fig. 4 Fig. 5.Optical lens uses integral module formula, and material is
Bright PC, it is shaped as 10 semicircles, is gradient 9 outside longitudinal both sides, internal parabolic width height 8, outside both lateral sides
It is convex surface radian 10, laterally inboard uses different size of parabola, the parabolic width height 11 between two grooves, groove
Parabolic width height 12, therefore the refraction angle of diverse location is not consistent, effective plus the gradient of 150 ° of the both sides of longitudinal direction
Angle is widened, and the position of the focus C by adjusting the longitudinal parabola 8 in inner side, A and B sizes can be widened and reduced horizontal
To the angle of gradient 9, available for Tunnel Lamp illumination and bulkhead lamp illumination；By the position for the focus C for adjusting the longitudinal parabola 8 in inner side
Put, the focus F of small A and the B horizontal parabola 11 of size and regulation inner side position can be drawn, draw small D and E size and
The focus I of inner side transverse direction parabola 12 position, small G and I size are drawn, be equipped with modification regulation Fig. 6 K and J size, L and M
Size, available for big bar away from street lighting and High-Pole Lamp, Projecting Lamp illumination.Only need lens die to change core can to reach
The luminous intensity distribution of different occasions, then coordinate led modular surface light sources, you can realize effective luminous intensity distribution of a variety of occasions.
Led modular surface light sources, including aluminium base, led linear arrays chip, fluorescence coating.
The structure design of the present invention has following characteristics：Led area sources use reverse installation process, and light efficiency is equipped with up to 200LM/W
The optical lens specially designed, whole light effect can be made higher；Led area sources are remote from lens distance, good heat dissipation, will not produce light
Decline serious situation, and lens are also not in the phenomenon of aging jaundice；Its outer and inside use different radians
And angle, make the refraction of light and luminous intensity distribution more scientific, go for the illumination of different occasions；Light fixture can use 1 module,
2 modules, 3 modules, 4 modules, 5 modules, 6 modules, flexibility is extremely strong, also easily Fast Installation, be applicable to street lamp, Projecting Lamp,
The different illumination place such as Tunnel Lamp, bulkhead lamp；By changing the angle on the inside of lens, the core of lens die is changed, is not required to
To redesign in addition lens and make mould, you can realize the luminous intensity distribution of different occasions, greatly reduce development difficulty and exploitation into
This.
Claims (8)
1. a kind of LED illumination module with light distributing function, it is characterised in that provided with connecting successively from top to bottom and be assembled into one
Radiator, LED area light source template, waterproof apron and the optical lens of body, wherein the optical lens main body be strip and
Section semicircular in shape, the upside of the lens body are provided with inner fovea part, and the outside both ends of the surface of optical lens main body are to be symmetrical arranged
150 ° of gradient face, the U-shaped parabola conic wire casing array of the property such as non-is provided with the inner fovea part of inner side.
2. a kind of LED illumination module with light distributing function according to claim 1, it is characterised in that of the present invention non-
U-shaped parabola conic wire casing array etc. property be top be cylindrical tube shape portion, bottom be conical inner fovea part wide at the top and narrow at the bottom
Groove, the insertion of cylindrical tube shape portion and conical inner fovea part forms U-shaped parabola conic wire casing, and it is extended in two along bottom
Side wall, the top width of U-shaped parabola conic wire casing, height respectively 8mm, 8mm, the top of the conical inner fovea part of bottom
Width, the height of conical inner fovea part are respectively 14mm, 12mm, in order to improve light distribution effect, by U-shaped parabola conic wire casing
It is longitudinally parallel that 16 formation arrays are set by 11.5 spacing, reach perfect luminous intensity distribution result.
A kind of 3. LED illumination module with light distributing function according to claim 1, it is characterised in that the optical lens
In the longitudinal cross-section of main body, U-shaped parabola conic section groove forms 16 wide 9.7mm, high 6.3mm parabola；Laterally two
Section between groove is wide 33.4mm, high 11.25mm parabola, and the section of transverse concave groove is 50mm, high 18mm parabolic
Line.
A kind of 4. LED illumination module with light distributing function according to claim 1, it is characterised in that the lens body
Arc on the outside of radian be R26.5.
A kind of 5. LED illumination module with light distributing function according to claim 1, it is characterised in that the lens body
Using integral module formula, material is transparent PC.
A kind of 6. LED illumination module with light distributing function according to claim 1, it is characterised in that LED faces light
Source template includes aluminium base, fluorescence coating and several LED line battle arrays, and wherein LED line battle array is fixed on module aluminium base, fluorescence coating
It is packaged in above LED line battle array, LED area light source uses reverse installation process, can use 1 module, 2 modules, 3 modules, 4 modules, 5 moulds
Group, 6 modules, flexibility is extremely strong, also easily Fast Installation, and it is different to be applicable to street lamp, Projecting Lamp, Tunnel Lamp, bulkhead lamp etc.
Illuminated field.
A kind of 7. LED illumination module with light distributing function according to claim 1, it is characterised in that LED area light source mould
Plate is screwed on radiator, and radiator is provided with using housing made of the good metal material of thermal diffusivity and is distributed in
The radiating fin array of hull outside, radiating fin array include several radiating fins being set parallel to each other, and several dissipate
Hot fin is placed parallel along lens body bearing of trend, and the length range of radiating fin is 40.5 to 50.5mm, adjacent radiating
The spacing range of fin is 7.75 to 8.25mm, and the length of the radiating fin corresponding with lens body front-end and back-end, which is less than, divides
The length for the radiating fin being distributed in the middle part of lens body.
A kind of 8. LED illumination module with light distributing function according to claim 1, it is characterised in that LED area light source mould
Plate is connected with light source output line through water joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841126.5A CN107420774A (en) | 2017-09-18 | 2017-09-18 | LED illumination module with light distributing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841126.5A CN107420774A (en) | 2017-09-18 | 2017-09-18 | LED illumination module with light distributing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107420774A true CN107420774A (en) | 2017-12-01 |
Family
ID=60433229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710841126.5A Pending CN107420774A (en) | 2017-09-18 | 2017-09-18 | LED illumination module with light distributing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107420774A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691972A (en) * | 2011-03-25 | 2012-09-26 | 刘木清 | LED secondary optical system forming rectangular light spots, LED light source module, and LED lamp |
| CN203431721U (en) * | 2013-09-05 | 2014-02-12 | 张志才 | Light-emitting diode (LED) street lamp lens board |
| CN203489171U (en) * | 2013-10-11 | 2014-03-19 | 山东明华光电科技有限公司 | LED (light emitting diode) tunnel lamp lens |
| KR20140098492A (en) * | 2013-01-31 | 2014-08-08 | 서울반도체 주식회사 | Assembly type LED module for channel letter |
| DE202015103844U1 (en) * | 2015-07-22 | 2015-08-06 | Ford Global Technologies, Llc | Vehicle lighting assembly with dual beam pattern |
| CN205048214U (en) * | 2015-10-01 | 2016-02-24 | 中山市蓝河光电照明科技有限公司 | High -power illumination module of LED |
| CN106979463A (en) * | 2017-05-25 | 2017-07-25 | 深圳市洲明科技股份有限公司 | LED/light source module and energy-conserving road lamp |
| CN208107701U (en) * | 2017-09-18 | 2018-11-16 | 威海金丰电子有限公司 | LED area light source illumination module with light distributing function |
-
2017
- 2017-09-18 CN CN201710841126.5A patent/CN107420774A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691972A (en) * | 2011-03-25 | 2012-09-26 | 刘木清 | LED secondary optical system forming rectangular light spots, LED light source module, and LED lamp |
| KR20140098492A (en) * | 2013-01-31 | 2014-08-08 | 서울반도체 주식회사 | Assembly type LED module for channel letter |
| CN203431721U (en) * | 2013-09-05 | 2014-02-12 | 张志才 | Light-emitting diode (LED) street lamp lens board |
| CN203489171U (en) * | 2013-10-11 | 2014-03-19 | 山东明华光电科技有限公司 | LED (light emitting diode) tunnel lamp lens |
| DE202015103844U1 (en) * | 2015-07-22 | 2015-08-06 | Ford Global Technologies, Llc | Vehicle lighting assembly with dual beam pattern |
| CN205048214U (en) * | 2015-10-01 | 2016-02-24 | 中山市蓝河光电照明科技有限公司 | High -power illumination module of LED |
| CN106979463A (en) * | 2017-05-25 | 2017-07-25 | 深圳市洲明科技股份有限公司 | LED/light source module and energy-conserving road lamp |
| CN208107701U (en) * | 2017-09-18 | 2018-11-16 | 威海金丰电子有限公司 | LED area light source illumination module with light distributing function |
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