CN107062171A - A kind of LED lamp heat sink - Google Patents
A kind of LED lamp heat sink Download PDFInfo
- Publication number
- CN107062171A CN107062171A CN201710423121.0A CN201710423121A CN107062171A CN 107062171 A CN107062171 A CN 107062171A CN 201710423121 A CN201710423121 A CN 201710423121A CN 107062171 A CN107062171 A CN 107062171A
- Authority
- CN
- China
- Prior art keywords
- heat
- radiator
- dissipating casing
- fin
- led lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000007787 solid Substances 0.000 claims abstract description 23
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 claims abstract description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009429 electrical wiring Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 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
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- 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
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
- F21V29/777—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having directions perpendicular to the light emitting axis
-
- 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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A kind of LED lamp heat sink, including radiator body, Lamp holder and heat-dissipating casing;One end of radiator body is provided with Lamp holder, and heat-dissipating casing is located at the outside of radiator body;Radiator body, Lamp holder and heat-dissipating casing are integrated casting;Radiator body includes interior cooling mechanism, fin and multiple heat-conducting mechanisms;Interior cooling mechanism is cylindrical structural, interior cooling mechanism includes solid radiator and cavity radiator, solid radiator is arranged between the top of cavity radiator, outer wall spaced radial distribution of multiple fin along interior cooling mechanism, adjacent fin and is each formed with main ventilation groove;/ 2nd of the thickness of solid radiator no less than the upper surface path length of interior cooling mechanism.It is an object of the invention to propose a kind of LED lamp heat sink, on heat transfer to the heat-dissipating casing for being produced LED by radiator body, and further it is delivered to by heat-dissipating casing in the air of outside, good heat dissipation effect, it is simple in construction and with integral structure.
Description
Technical field
The present invention relates to LED technical field of heat dissipation, more particularly to a kind of LED lamp heat sink.
Background technology
At present, LED heat dissipation problem is increasingly paid attention to by people, because LED light decay or its life-span are direct
Relevant with its junction temperature, when LED radiating is bad, the junction temperature of LED is just high, and the life-span just shortens.
If lighting during using the junction temperature of LED as 25 degree is 100%, then when junction temperature rises to 60 degree, its luminous quantity
Just only 90%;Junction temperature drops down to 80% when being 100 degree;140 degree just only 70%.It can be seen that improving radiating, control junction temperature is
Highly important thing.
In addition, the heating of LED can also influence the spectroscopic studying of LED, and when constant pressure is powered, colour temperature rise, positive electricity
Stream increase, reverse current also increases, and thermal stress increases, the variety of problems such as fluorescent material epoxy aging acceleration, therefore LED
Heat dissipation problem be LED lamp structure design in a mostly important problem.
The content of the invention
It is an object of the invention to solve the above problems, a kind of LED lamp heat sink is proposed.
In order to reach this purpose, the present invention uses following technical scheme:
A kind of LED lamp heat sink, including radiator body, Lamp holder and heat-dissipating casing;
One end of the radiator body is provided with the Lamp holder, and the heat-dissipating casing is located at the radiator body
Outside;
The radiator body, the Lamp holder and the heat-dissipating casing are integrated casting;
The radiator body includes interior cooling mechanism, fin and multiple heat-conducting mechanisms;
The interior cooling mechanism is cylindrical structural, and the interior cooling mechanism includes solid radiator and cavity radiator,
The solid radiator is arranged at the top of the cavity radiator, and the fin is provided with multiple, multiple fin edges
Main ventilation groove is each formed between the outer wall spaced radial distribution of the interior cooling mechanism, the adjacent fin, it is multiple described
Heat-conducting mechanism is arranged at the outside of the interior cooling mechanism and in the main ventilation groove;
/ 2nd of the thickness of the solid radiator no less than the upper surface path length of the interior cooling mechanism.
More excellent, the heat-dissipating casing is cylindrical empty cavity configuration, and the inner surface of the heat-dissipating casing is provided with lug boss, institute
Lug boss is stated to connect one to one with the fin.
More excellent, the height of the heat-dissipating casing is less than the fin close to one end of the Lamp holder, described
Heat-dissipating casing misplaces to form air grid with the fin, and the air grid is connected with the main ventilation groove.
More excellent, the Lamp holder includes mounting base and retaining collar, and the mounting base is provided with thermal vias,
The thermal vias is provided with multiple.
More excellent, the inside of the heat-conducting mechanism is provided with the thermal hole of insertion, the thermal hole and the thermal vias
Aperture is equal, and the thermal hole is connected with the thermal vias.
More excellent, the joint face of the lower surface of the solid radiator and the inner surface of the cavity radiator is arc
Face.
More excellent, the fin is wave shaped radiator.
More excellent, the mounting base is additionally provided with multiple threading holes, and multiple threading holes are arranged at intervals at the peace
Fill bottom plate.
More excellent, the radiator body, the Lamp holder and the heat-dissipating casing are that aluminium alloy is made.
It is an object of the invention to propose a kind of LED lamp heat sink, the heat for being produced LED by radiator body is passed
It is handed on heat-dissipating casing, and is further delivered to by heat-dissipating casing in the air of outside, good heat dissipation effect is simple in construction and have
Integral structure.
Brief description of the drawings
Fig. 1 is the structure chart of one embodiment of the present of invention;
Fig. 2 is the structure chart of one embodiment of the present of invention;
Fig. 3 is the upward view of one embodiment of the present of invention;
Fig. 4 is the top view of one embodiment of the present of invention;
Fig. 5 is the profile of one embodiment of the present of invention;
Wherein:1 is radiator body;11 be interior cooling mechanism;111 be solid radiator;112 be cavity radiator;113
For arcwall face;12 be fin;121 be main ventilation slot;13 be heat-conducting mechanism;131 be thermal hole;2 be Lamp holder;21 are
Mounting base;211 be thermal vias;212 be threading hole;22 be retaining collar;3 be heat-dissipating casing;31 be lug boss;32 be logical
Style grid.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment mode.
A kind of LED lamp heat sink, including radiator body 1, Lamp holder 2 and heat-dissipating casing 3;The radiator body
1 one end is provided with the Lamp holder 2, and the heat-dissipating casing 3 is located at the outside of the radiator body 1;The radiator
Body 1, the Lamp holder 2 and the heat-dissipating casing 3 are integrated casting;The radiator body 1 includes interior radiating
Mechanism 11, fin 12 and multiple heat-conducting mechanisms 13;The interior cooling mechanism 11 is cylindrical structural, the interior cooling mechanism 11
Including solid radiator 111 and cavity radiator 112, the solid radiator 111 is arranged at the upper of the cavity radiator 112
Portion, the fin 12 is provided with multiple, outer wall spaced radial distribution of multiple fin 12 along the interior cooling mechanism 11,
Main ventilation groove 121 is each formed between the adjacent fin 12, multiple heat-conducting mechanisms 13 are arranged at the interior radiating machine
The outside of structure 11 is simultaneously located in the main ventilation groove 121;The thickness of the solid radiator 111 is no less than the interior cooling mechanism
/ 2nd of 11 upper surface path length.
As shown in Fig. 1, Fig. 3 and Fig. 5, the heat that LED is produced in this example passes through the interior cooling mechanism 11, the radiating
Piece and the heat-dissipating casing 3 are transferred in extraneous air, to strengthen radiating effect.The thickness of the solid radiator 111 is many
In the 1/2 of the interior upper surface diameter length of cooling mechanism 11, unlike the prior art, by the solid radiating in this example
The thickening of body 111 is handled, by repeated multiple times experiment, because heat is faster than transmission speed in atmosphere in solids, therefore will be described
Solid radiator 111 is thickeied, and can both save material cost, and the effect for improving radiating efficiency can be reached again.Described interior scattered
The outside of heat engine structure 11 sets the heat-conducting mechanism 13, and radiating rate can be improved to a greater degree.In this example, LED radiating
Device is integrated casting, to strengthen mechanical performance, and existing LED radiator is that each parts assemble, each parts
Between have certain space, according to surface is researched and analysed, the thermal conductivity factor of solid is greater than the thermal conductivity factor of air, heat conduction system
Number is bigger, and radiating effect is better.Use integrally casting shaping, it is to avoid coordinate the standoff effects of generation to radiate between each parts and imitate
Rate, extends the service life of LED.
Further description, the heat-dissipating casing 3 is cylindrical empty cavity configuration, and the inner surface of the heat-dissipating casing 3 is set
There is lug boss 31, the lug boss 31 connects one to one with the fin 12.As shown in Figures 2 and 3, institute is set in this example
Heat-dissipating casing 3 is stated, the surface area of radiating is further increased, while lug boss 31 described in the inner surface setting in heat-dissipating casing 3
Connected one to one with the fin 12, the mass effect of product overall appearance can be lifted.
Further description, the height of the heat-dissipating casing 3 is less than the fin 12 close to the Lamp holder 2
One end, the dislocation of the heat-dissipating casing 3 and the fin 12 forms air grid 32, and the air grid 32 leads to the master
Wind groove 121 is connected.As shown in Figures 2 and 3, heat-dissipating casing 3 described in this example is slightly below the fin 12, and is dissipated with described
The dislocation of backing 12 forms one and encloses air grid 32, and the air grid 32 is communicated with the main ventilation groove 121, makes radiator top
The convection current of air is formed with bottom, the flow rate of air is accelerated, enables the heat of generation quickly by air flow
Disperse, improve radiating efficiency.
Further description, the Lamp holder 2 includes mounting base 21 and retaining collar 22, the mounting base
21 are provided with thermal vias 211, and the thermal vias 211 is provided with multiple.As shown in Figure 2 and Figure 4, mounting base 21 described in this example
For propping up LED, the retaining collar is used for LED fixation, and the thermal vias 211 is provided with two.
Further description, the inside of the heat-conducting mechanism 13 is provided with the thermal hole 131 of insertion, the thermal hole 131
It is equal with the aperture of the thermal vias 211, and the thermal hole 131 is connected with the thermal vias 211.Such as Fig. 2, Fig. 3
With shown in Fig. 4, the thermal vias 211 on the mounting base 21 and the hole of thermal hole 131 inside the heat-conducting mechanism 13
Footpath is identical and comes round, and the heat that the LED being installed on the mounting base 21 is produced in use directly passes through
The thermal vias 211 is passed directly in the radiator body 1 with the thermal hole 131, further enhancing radiating effect.
Further description, the lower surface of the solid radiator 111 and the inner surface of the cavity radiator 112
Joint face is arcwall face 113.As shown in figure 5, heat is conducted to the cavity radiator 112 by the solid radiator 111
Afterwards, heat is carried over outside LED lamp heat sink by air flow, by the lower surface of the solid radiator 111 and the cavity
The joint face of the inner surface of radiator 112 is set to arcwall face, compared with vertical plane in the prior art, ventilates more logical
Freely, the circulation of air is accelerated, heat is flowed out faster outside radiator, radiating efficiency is improved.
Further description, the fin 12 is wave shaped radiator.Advantage using wave shaped radiator is knot
Structure is simple, and lighter in weight, cost is relatively low, and heat radiation power is big.
Further description, the mounting base 21 is additionally provided with multiple threading holes 212, multiple threading holes 212
It is arranged at intervals at the mounting base 21.For the ease of installing the connection electrical wiring of arrangement LED in being manufactured in actual production,
As shown in Figure 2 and Figure 4, the soft dry threading hole 212 for being used to wear electrical wiring is offered on the installing plate 21, this
Sample, can be in order to the connection electrical wiring of installation arrangement LED in being manufactured in actual production.
Further description, the radiator body 1, the Lamp holder 2 and the heat-dissipating casing 3 are that aluminium is closed
Gold is made.In a metal, the thermal conductivity factor of aluminium is larger, and radiating rate is fast, and the cost of material is relatively low, while adding metallic iron, increases
The strong hardness of LED lamp heat sink.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed in any way.Based on explanation herein, the technology of this area
Personnel, which would not require any inventive effort, can associate other embodiments of the present invention, and these modes are fallen within
Within protection scope of the present invention.
Claims (9)
1. a kind of LED lamp heat sink, it is characterised in that:Including radiator body, Lamp holder and heat-dissipating casing;
One end of the radiator body is provided with the Lamp holder, and the heat-dissipating casing is located at the outer of the radiator body
Portion;
The radiator body, the Lamp holder and the heat-dissipating casing are integrated casting;
The radiator body includes interior cooling mechanism, fin and multiple heat-conducting mechanisms;
The interior cooling mechanism is cylindrical structural, and the interior cooling mechanism includes solid radiator and cavity radiator, described
Solid radiator is arranged at the top of the cavity radiator, and the fin is provided with multiple, and multiple fin are described in
Main ventilation groove, multiple heat conduction are each formed between the outer wall spaced radial distribution of interior cooling mechanism, the adjacent fin
Mechanism is arranged at the outside of the interior cooling mechanism and in the main ventilation groove;
/ 2nd of the thickness of the solid radiator no less than the upper surface path length of the interior cooling mechanism.
2. a kind of LED lamp heat sink according to claim 1, it is characterised in that:The heat-dissipating casing is cylindrical cavity
Structure, the inner surface of the heat-dissipating casing is provided with lug boss, and the lug boss connects one to one with the fin.
3. a kind of LED lamp heat sink according to claim 1, it is characterised in that:The height of the heat-dissipating casing is less than institute
Fin is stated close to one end of the Lamp holder, the heat-dissipating casing misplaces to form air grid with the fin, institute
Air grid is stated with the main ventilation groove to be connected.
4. a kind of LED lamp heat sink according to claim 1, it is characterised in that:The Lamp holder includes installing bottom
Plate and retaining collar, the mounting base are provided with thermal vias, and the thermal vias is provided with multiple.
5. a kind of LED lamp heat sink according to claim 4, it is characterised in that:The inside of the heat-conducting mechanism is provided with and passed through
Logical thermal hole, the thermal hole is equal with the aperture of the thermal vias, and the thermal hole is connected with the thermal vias
It is logical.
6. a kind of LED lamp heat sink according to claim 1, it is characterised in that:The lower surface of the solid radiator with
The joint face of the inner surface of the cavity radiator is arcwall face.
7. a kind of LED lamp heat sink according to claim 1, it is characterised in that:The fin is wave shaped radiator.
8. a kind of LED lamp heat sink according to claim 4, it is characterised in that:The mounting base is additionally provided with multiple
Threading hole, multiple threading holes are arranged at intervals at the mounting base.
9. a kind of LED lamp heat sink according to claim 1, it is characterised in that:The radiator body, light fixture peace
It is that aluminium alloy is made to fill seat and the heat-dissipating casing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710423121.0A CN107062171A (en) | 2017-06-07 | 2017-06-07 | A kind of LED lamp heat sink |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710423121.0A CN107062171A (en) | 2017-06-07 | 2017-06-07 | A kind of LED lamp heat sink |
Publications (1)
Publication Number | Publication Date |
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CN107062171A true CN107062171A (en) | 2017-08-18 |
Family
ID=59615921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710423121.0A Pending CN107062171A (en) | 2017-06-07 | 2017-06-07 | A kind of LED lamp heat sink |
Country Status (1)
Country | Link |
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CN (1) | CN107062171A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108413363A (en) * | 2018-04-17 | 2018-08-17 | 佰暨照明科技(上海)有限公司 | A kind of LED radiator |
Citations (7)
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CN2881340Y (en) * | 2006-03-03 | 2007-03-21 | 超众科技股份有限公司 | LED lamp and its radiating structure |
CN200952670Y (en) * | 2006-07-13 | 2007-09-26 | 奥古斯丁科技股份有限公司 | LED road lamp and radiating module assembling structure |
US20070279862A1 (en) * | 2006-06-06 | 2007-12-06 | Jia-Hao Li | Heat-Dissipating Structure For Lamp |
US20080007954A1 (en) * | 2006-07-05 | 2008-01-10 | Jia-Hao Li | Heat-Dissipating Structure For LED Lamp |
CN203052408U (en) * | 2012-12-20 | 2013-07-10 | 中山品上照明有限公司 | Light-emitting diode (LED) track lamp capable of radiating rapidly |
US20150323169A1 (en) * | 2013-01-29 | 2015-11-12 | Mitsubishi Chemical Corporation | Led lamp |
CN206739245U (en) * | 2017-06-07 | 2017-12-12 | 广州市光圣照明科技有限公司 | A kind of LED lamp heat sink |
-
2017
- 2017-06-07 CN CN201710423121.0A patent/CN107062171A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2881340Y (en) * | 2006-03-03 | 2007-03-21 | 超众科技股份有限公司 | LED lamp and its radiating structure |
US20070279862A1 (en) * | 2006-06-06 | 2007-12-06 | Jia-Hao Li | Heat-Dissipating Structure For Lamp |
US20080007954A1 (en) * | 2006-07-05 | 2008-01-10 | Jia-Hao Li | Heat-Dissipating Structure For LED Lamp |
CN200952670Y (en) * | 2006-07-13 | 2007-09-26 | 奥古斯丁科技股份有限公司 | LED road lamp and radiating module assembling structure |
CN203052408U (en) * | 2012-12-20 | 2013-07-10 | 中山品上照明有限公司 | Light-emitting diode (LED) track lamp capable of radiating rapidly |
US20150323169A1 (en) * | 2013-01-29 | 2015-11-12 | Mitsubishi Chemical Corporation | Led lamp |
CN206739245U (en) * | 2017-06-07 | 2017-12-12 | 广州市光圣照明科技有限公司 | A kind of LED lamp heat sink |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108413363A (en) * | 2018-04-17 | 2018-08-17 | 佰暨照明科技(上海)有限公司 | A kind of LED radiator |
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CB02 | Change of applicant information |
Address after: 510000 Taihe Town, Baiyun District, Guangzhou City, Guangdong Province, No. 2, Xinghe No. 5 Road (Independent Declaration) Applicant after: GUANGZHOU GUANGSHENG LIGHTING TECHNOLOGY CO.,LTD. Address before: Room 1303, 63 Huangbian North Road, Baiyun District, Guangzhou City, Guangdong 510000 Applicant before: GUANGZHOU GUANGSHENG LIGHTING TECHNOLOGY CO.,LTD. |
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RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |