CN203549490U - LED lamp - Google Patents
LED lamp Download PDFInfo
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- CN203549490U CN203549490U CN201320685537.7U CN201320685537U CN203549490U CN 203549490 U CN203549490 U CN 203549490U CN 201320685537 U CN201320685537 U CN 201320685537U CN 203549490 U CN203549490 U CN 203549490U
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- Prior art keywords
- heat dissipating
- dissipating layer
- layer
- light fixture
- led light
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- 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.)
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- 239000000919 ceramic Substances 0.000 claims description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 12
- 229910002804 graphite Inorganic materials 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 238000007639 printing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 230000017525 heat dissipation Effects 0.000 abstract 11
- 230000009977 dual effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 141
- 239000004411 aluminium Substances 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 238000004381 surface treatment Methods 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
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- 230000007547 defect Effects 0.000 description 2
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- 238000005286 illumination Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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- 230000005855 radiation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses an LED lamp. The LED lamp comprises a shell (1), a driving device (2) and an LED assembly (3) and further comprises a first heat dissipation layer (4) and a second heat dissipation layer (5), wherein the driving device (2) and the LED assembly (3) are arranged in the shell (1), the driving device (2) is electrically connected with the LED assembly (3), the first heat dissipation layer (4) is arranged on the outer-layer surface of the shell (1), and the second heat dissipation layer (5) is arranged in the shell (1) and located below the driving device (2). The LED lamp has the advantages that because the first heat dissipation layer is arranged on the outer-layer surface of the shell, heat energy of the shell can radiate to the outside through the first heat dissipation layer; heat energy generated when the driving device works is dissipated by the second heat dissipation layer; due to the dual heat dissipation function of the first heat dissipation layer and the second heat dissipation layer, the LED lamp is good in heat dissipation effect, and accordingly the service life of the LED lamp can be prolonged.
Description
Technical field
The utility model relates to light fixture, more particularly, relates to a kind of LED light fixture.
Background technology
The erosion of the LED light fixture of open urban illumination at present in order to stand to expose to the weather and drench with rain; often can carry out surface treatment to LED light fixture, conventional surface treatment method has plated film, japanning, enamel, the processing of anodizing of aluminium film, electrobrightening and vacuum coating etc. several.
The shell of LED light fixture is aluminium shell normally, to the surface treatment of aluminium shell, be generally like this: adopt anodic oxidation and spraying paint to process, using aluminium as anode, be placed on and in electrolyte, carry out electrolysis, the oxide film that generates fusible, good passive state shape on the surface of aluminium, the composition of oxide film is aluminium oxide.With the aluminium shell without anodized,, corrosion resistance high through the hardness of the aluminium shell of anodized, wearability, erasable performance are good.
Although can be so that LED light fixture can stand the erosion of exposing to the weather and drenching with rain but LED light fixture is carried out to surface treatment, but surface treatment can stop LED light fixture and dispel the heat to the external world, also be that surface is comprehended the heat energy that LED light fixture need to be conducted to the external world and stopped back again, shorten the service life of the easy like this LED of causing light fixture.
To sum up, there is following defect in LED light fixture of the prior art: radiating effect is poor, and service life is shorter.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provide a kind of radiating effect better, service life longer LED light fixture.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of LED light fixture, comprise shell and be located at driver and the LED assembly in described shell, described driver is connected with described LED electrical component, described LED light fixture also comprises the first heat dissipating layer and the second heat dissipating layer, described the first heat dissipating layer is located on the outer layer surface of described shell, and described the second heat dissipating layer is located in described shell and described the second heat dissipating layer is positioned at the below of described driver.
In LED light fixture described in the utility model, described the first heat dissipating layer comprises soft ceramic heat-dissipating enamelled coating or the first ceramic layer, and described the second heat dissipating layer comprises graphite flake layer or the second ceramic layer.
In LED light fixture described in the utility model, the thickness of described the first heat dissipating layer is between 20-400 micron, and the thickness of described the second heat dissipating layer is between 0.5-3.0 millimeter.
In LED light fixture described in the utility model, the thickness of described the first heat dissipating layer is between 80-200 micron, and the thickness of described the second heat dissipating layer is between 1.2-2.4 millimeter.
In LED light fixture described in the utility model, described shell comprises interconnective drain pan and upper cover, described the first heat dissipating layer is located at respectively on the outer layer surface of described drain pan and on the outer layer surface of described upper cover, and described the second heat dissipating layer and described driver are located at respectively in described drain pan.
In LED light fixture described in the utility model, in described drain pan, be formed with the first groove and the second groove that are connected, described the second heat dissipating layer and described driver are located at respectively in described the first groove, and described LED assembly is located in described the second groove and described LED assembly is positioned at the top of described driver.
In LED light fixture described in the utility model, on the outer layer surface of described drain pan, be also provided with fin; Described the first heat dissipating layer is located at respectively on the outer layer surface of described upper cover and on described fin.
In LED light fixture described in the utility model, described upper cover comprises main body and is embedded in described main body for the glassy layer of printing opacity, and described the first heat dissipating layer is located on the outer layer surface of described main body.
In LED light fixture described in the utility model, between described drain pan and described upper cover, be also provided with sealing ring.
In LED light fixture described in the utility model, described LED light fixture also comprises lens; Described LED assembly comprises circuit board and the LED illuminator being electrically connected to described circuit board, described in one lens cap be located at one described on LED illuminator; Described circuit board is connected with described actuator electrical.
Implement LED light fixture of the present utility model, there is following beneficial effect: the first heat dissipating layer is located on the outer layer surface of shell, such the first heat dissipating layer can be radiated to the external world in time by the heat energy of shell, the heat energy that LED light fixture is produced conducts to the external world in time, can effectively dispel the heat to LED light fixture; The second heat dissipating layer is positioned at the below of driver, makes like this heat energy that driver produces in the course of the work by the second heat dissipating layer, be distributed in time; By the double-radiation function effect of the first heat dissipating layer and the second heat dissipating layer, make the radiating effect of LED light fixture better, can extend like this service life of LED light fixture.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the utility model LED light fixture embodiment;
Fig. 2 is the blast structure chart of Fig. 1;
Fig. 3 is the cutaway view along A-A line in Fig. 1;
Fig. 4 is the structural representation of LED assembly in Fig. 2;
In figure:
1-shell; 11-drain pan, 12-upper cover, 13-the first groove, 14-the second groove, 15-fin, 16-main body, 17-glassy layer, 18-sealing ring;
2-driver;
3-LED assembly; 31-circuit board, 32-LED illuminator;
4-the first heat dissipating layer;
5-the second heat dissipating layer;
6-lens.
The specific embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
As Figure 1-Figure 4, the LED light fixture of the present embodiment, comprise shell 1 and be located at driver 2 and the LED assembly 3 in shell 1, driver 2 and LED assembly 3 are electrically connected to, LED light fixture also comprises the first heat dissipating layer 4 and the second heat dissipating layer 5, the first heat dissipating layer 4 is located on the outer layer surface of shell 1, and the second heat dissipating layer 5 is located in shell 1 and the second heat dissipating layer 5 is positioned at the below of driver 2.
Below the structure of the present embodiment is explained.
Shell 1:
Further, be formed with the first groove 13 of being connected and the second groove 14, the second heat dissipating layers 5 and driver 2 and be located at respectively in the first groove 13 in drain pan 11, LED assembly 3 is located in the second groove 14 and LED assembly 3 is positioned at the top of driver 2.The first groove 13 and the second groove 14 are all shaped in drain pan 11.
In general, the size of LED assembly 3 is greater than the size of driver 2, Given this, the size of the second groove 14 is greater than the size of the first groove 13, meanwhile, the size of the second groove 14 should be suitable with the size of LED assembly 3, and the size of the first groove 13 should be suitable with the size of driver 2.Driver 2 can connect or the mode such as grafting or sealant pouring and sealing is fixed in the first groove 13 by screw fastening, but obviously, should first the second heat dissipating layer 5 be placed in to the bottom of the first groove 13, then driver 2 is fixed in the first groove 13; The bottom of driver 2 and the second heat dissipating layer 5 butts, this is because the heat major part that driver 2 produces concentrates on bottom, the heat that the second heat dissipating layer 5 can produce driver 2 bottoms conducts, is beneficial to the heat radiation of driver 2 in time.LED assembly 3 can connect or the mode such as grafting is fixed in the second groove 14 by screw fastening.
In certain embodiments, the first concaveconvex structure (not indicating on figure) can be set on the madial wall of the first groove 13, the second concaveconvex structure (not indicating on figure) is set on the lateral wall of driver 2, the first concaveconvex structure and the second concaveconvex structure are pegged graft mutually, can avoid like this rotation of driver 2 in the first groove 13, the stability and the service life that are conducive to improve LED light fixture; LED assembly 3 and the second groove 14 are so same; Other is identical with the present embodiment.
In certain embodiments, on the outer layer surface of drain pan 11, be also provided with fin 15; The first heat dissipating layer 4 is located at respectively on the outer layer surface of upper cover 12 and on fin 15.Fin 15 can be one-body molded with drain pan 11, also can adopt welding or the mode such as be threaded to be fixed on the outer layer surface of drain pan 11; After fin 15 is connected with drain pan 11, then the first heat dissipating layer 4 is set on fin 15 and drain pan 11.The quantity of fin 15 is a plurality of, for example, be 10, and 10 fin 15 uniform ring are located on the outer layer surface of drain pan 11, can improve like this radiating effect of drain pan 11.Other is identical with the present embodiment.
In the present embodiment, upper cover 12 comprises main body 16 and is embedded glassy layer 17, the first heat dissipating layers 4 for printing opacity in main body 16 to be located on the outer layer surface of main body 16.In main body 16, be formed with through hole, on the sidewall of through hole, be formed with annular groove, glassy layer 17 is plugged in annular groove.The light transmission glassy layer 17 that LED assembly 3 sends is passed to the external world.Glassy layer 17 preferably adopts safety glass, can improve like this intensity of glassy layer 17, the service life while using out of doors to improve LED light fixture.
In certain embodiments, between drain pan 11 and upper cover 12, be also provided with sealing ring 18.Sealing ring 18 preferably adopts silica gel sheath.Sealing ring 18 can strengthen the sealing of drain pan 11 and upper cover 12 link positions, thus water proofing property and sealing when raising LED light fixture is used out of doors.Other is identical with the present embodiment.
Driver 2:
LED assembly 3:
LED light fixture also comprises lens 6; LED assembly 3 comprises circuit board 31 and LED illuminator 32, one lens 6 that are electrically connected to circuit board 31 are located on a LED illuminator 32; Circuit board 31 is electrically connected to driver 2.The quantity of LED illuminator 32 is a plurality of, and the quantity of lens 6 is also a plurality of, wherein the quantity such as lens 6 and LED illuminator 32.For example, the quantity of LED illuminator 32 is 12, and the quantity of lens 6 is also 12, and lens 6 are located on a LED illuminator 32, and lens 6 can be arranged on circuit board 31 and be located on corresponding LED illuminator 32 by modes such as bonding, clampings.Lens 6 form the required lighting angle of light fixture for the light that LED illuminator 32 is sent, the light transmission glassy layer 17 that forms required angle is passed to the external world, can provide good illumination condition for people like this, strengthen indoor and outdoor spaces artistic effect and set off the functions such as space atmosphere by contrast, thereby reach, cause the psychological attention of people and association.As utilize the match harmoniouslies such as different light fixtures, lens and outdoor metope, ground, trees, can form various art environments.Strengthen the result of use of LED light fixture.
The first heat dissipating layer 4:
The first heat dissipating layer 4 comprises soft ceramic heat-dissipating enamelled coating or the first ceramic layer, and the thickness of the first heat dissipating layer 4 is between 20-400 micron, and preferably, the thickness of the first heat dissipating layer 4, between 80-200 micron, therefore can reach good radiating effect like this.In the present embodiment, the first heat dissipating layer 4 is soft ceramic heat-dissipating enamelled coating, and the thickness of the first heat dissipating layer 4 is 100 microns; Soft ceramic heat-dissipating enamelled coating is mainly that the ceramic particle being contained in utilizing in paint vehicle increases with surface the reinforcement that area phenomenon is dispelled the heat, and can strengthen radiant heat and surface area like this, to increase hot exchange efficiency.In certain embodiments, can be also: the first heat dissipating layer 4 is soft ceramic heat-dissipating enamelled coating, and the thickness of the first heat dissipating layer 4 is 20 microns; The first heat dissipating layer 4 is soft ceramic heat-dissipating enamelled coating, and the thickness of the first heat dissipating layer 4 is 80 microns; The first heat dissipating layer 4 is soft ceramic heat-dissipating enamelled coating, and the thickness of the first heat dissipating layer 4 is 200 microns; The first heat dissipating layer 4 is soft ceramic heat-dissipating enamelled coating, and the thickness of the first heat dissipating layer 4 is 400 microns; The first heat dissipating layer 4 is the first ceramic layer, and the thickness of the first heat dissipating layer 4 is 150 microns; The first heat dissipating layer 4 is the first ceramic layer, and the thickness of the first heat dissipating layer 4 is 260 microns etc.; Other is identical with the present embodiment.The first heat dissipating layer 4 preferably adopts soft ceramic heat-dissipating enamelled coating, because soft ceramic heat-dissipating enamelled coating belongs to heat curing-type environment-friendly materials, meets RoHS(Restriction of Hazardous Substances; The compulsory standard that the legislation of RoHS Shi You European Union is formulated, its full name is that < < is about being limited in the instruction > > that uses some harmful components in electronic and electrical equipment.) Environmental Safety standard, operational procedure is easy also without any special facility, solid through overbaking after heat, and the high temperature that can bear for a long time LED light fixture does not have qualitative change problem.Soft ceramic heat-dissipating enamelled coating adopts soft ceramic heat-dissipating paint conventional in prior art to be sprayed on the outer layer surface of main body 16 and on the outer layer surface of drain pan 11.
The first heat dissipating layer 4 not only can form layer protective layer in the appearance of LED light fixture; thereby the requirement of the waterproof and dustproof when reaching LED light fixture and using out of doors; and first heat dissipating layer 4 possess the effect of rapid radiant heat energy; the heat energy that LED light fixture can be produced is radiated to the external world in time; LED light fixture is effectively dispelled the heat; make the radiating effect of LED light fixture better, can extend like this service life of LED light fixture.
In the present embodiment, the first heat dissipating layer 4 is located at respectively on the outer layer surface of upper cover 12 and on fin 15, also on all outer layer surfaces of upper cover 12, the first heat dissipating layer 4 is set on all outer layer surfaces of fin 15, because so not only can reduce production costs, also can reach good radiating effect; Certainly, in certain embodiments, can also on the outer layer surface of the drain pan 11 between adjacent two fin 15, the first heat dissipating layer 4 be set.Certainly, in certain embodiments, can be also the first heat dissipating layer 4 is set in the subregion of fin 15, on the outer layer surface of drain pan 11 and upper cover 12, all covers; Or only on the outer layer surface of drain pan 11 and upper cover 12, carry out part covering or all cover; Or all cover on the outer layer surface of fin 15, drain pan 11 and upper cover 12; Other is identical with the present embodiment.
The second heat dissipating layer 5:
The second heat dissipating layer 5 comprises graphite flake layer or the second ceramic layer, and the thickness of the second heat dissipating layer 5 is between 0.5-3.0 millimeter, and preferably, the thickness of the second heat dissipating layer 5, between 1.2-2.4 millimeter, therefore now can reach good radiating effect.Preferably, the second heat dissipating layer 5 is graphite flake layer, graphite flake is a kind of brand-new heat conduction and heat radiation material, there is unique grain orientation, can be along both direction uniform heat conduction, in plane, there is the super-high heat-conductive performance within the scope of 150-1500W/m-K, laminar structuredly can adapt to well any surface, in shielding thermal source and assembly, also can improve the performance of electronic product.The chemical composition of graphite flake is mainly single carbon, is a kind of native element metal mineral.Carbon is nonmetalloid, but has conduction, the heat conductivility of metal material, also has the plasticity as the organic plastics, and also has special hot property, chemical stability.
In the present embodiment, the second heat dissipating layer 5 is graphite flake layer, and the thickness of the second heat dissipating layer 5 is 1.6 millimeters.In certain embodiments, can be also: the second heat dissipating layer 5 is graphite flake layer, and the thickness of the second heat dissipating layer 5 is 0.5 millimeter; The second heat dissipating layer 5 is graphite flake layer, and the thickness of the second heat dissipating layer 5 is 0.8 millimeter; The second heat dissipating layer 5 is graphite flake layer, and the thickness of the second heat dissipating layer 5 is 1.2 millimeters; The second heat dissipating layer 5 is graphite flake layer, and the thickness of the second heat dissipating layer 5 is 2.4 millimeters; The second heat dissipating layer 5 is graphite flake layer, and the thickness of the second heat dissipating layer 5 is 3.0 millimeters; The second heat dissipating layer 5 is the second ceramic layer, and the thickness of the second heat dissipating layer 5 is 1.8 millimeters; The second heat dissipating layer 5 is the second ceramic layer, and the thickness of the second heat dissipating layer 5 is 2.3 millimeters etc.; Other are identical with the present embodiment.
In the present embodiment: the first heat dissipating layer 4 is located on the outer layer surface of shell 1, such the first heat dissipating layer 4 can be radiated to the external world in time by the heat energy of shell 1, and the heat energy that LED light fixture is produced conducts to the external world in time, can effectively dispel the heat to LED light fixture; The second heat dissipating layer 5 is positioned at the below of driver 2, makes like this heat energy that driver 2 produces in the course of the work by the second heat dissipating layer position, be distributed in time; Double-radiation function effect by the first heat dissipating layer 4 and the second heat dissipating layer 5, makes the radiating effect of LED light fixture better, can extend like this service life of LED light fixture.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (10)
1. a LED light fixture, comprise shell (1) and be located at driver (2) and the LED assembly (3) in described shell (1), described driver (2) and described LED assembly (3) are electrically connected to, it is characterized in that, described LED light fixture also comprises the first heat dissipating layer (4) and the second heat dissipating layer (5), described the first heat dissipating layer (4) is located on the outer layer surface of described shell (1), and described the second heat dissipating layer (5) is located in described shell (1) and described the second heat dissipating layer (5) is positioned at the below of described driver (2).
2. LED light fixture according to claim 1, is characterized in that, described the first heat dissipating layer (4) comprises soft ceramic heat-dissipating enamelled coating or the first ceramic layer, and described the second heat dissipating layer (5) comprises graphite flake layer or the second ceramic layer.
3. LED light fixture according to claim 1 and 2, is characterized in that, the thickness of described the first heat dissipating layer (4) is between 20-400 micron, and the thickness of described the second heat dissipating layer (5) is between 0.5-3.0 millimeter.
4. LED light fixture according to claim 3, is characterized in that, the thickness of described the first heat dissipating layer (4) is between 80-200 micron, and the thickness of described the second heat dissipating layer (5) is between 1.2-2.4 millimeter.
5. LED light fixture according to claim 3, it is characterized in that, described shell (1) comprises interconnective drain pan (11) and upper cover (12), described the first heat dissipating layer (4) is located at respectively on the outer layer surface of described drain pan (11) and on the outer layer surface of described upper cover (12), and described the second heat dissipating layer (5) and described driver (2) are located at respectively in described drain pan (11).
6. LED light fixture according to claim 5, it is characterized in that, in described drain pan (11), be formed with the first groove (13) and the second groove (14) that are connected, described the second heat dissipating layer (5) and described driver (2) are located at respectively in described the first groove (13), and described LED assembly (3) is located in described the second groove (14) and described LED assembly (3) is positioned at the top of described driver (2).
7. LED light fixture according to claim 6, is characterized in that, is also provided with fin (15) on the outer layer surface of described drain pan (11); Described the first heat dissipating layer (4) is located at respectively on the outer layer surface of described upper cover (12) and on described fin (15).
8. LED light fixture according to claim 5, it is characterized in that, described upper cover (12) comprises main body (16) and is embedded in described main body (16) for the glassy layer (17) of printing opacity, and described the first heat dissipating layer (4) is located on the outer layer surface of described main body (16).
9. LED light fixture according to claim 5, is characterized in that, between described drain pan (11) and described upper cover (12), is also provided with sealing ring (18).
10. LED light fixture according to claim 5, is characterized in that, described LED light fixture also comprises lens (6); Described LED assembly (3) comprises circuit board (31) and the LED illuminator (32) being electrically connected to described circuit board (31), lens described in (6) be located at one described on LED illuminator (32); Described circuit board (31) is electrically connected to described driver (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685537.7U CN203549490U (en) | 2013-10-31 | 2013-10-31 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685537.7U CN203549490U (en) | 2013-10-31 | 2013-10-31 | LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203549490U true CN203549490U (en) | 2014-04-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320685537.7U Expired - Fee Related CN203549490U (en) | 2013-10-31 | 2013-10-31 | LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203549490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567259A (en) * | 2014-11-28 | 2015-04-29 | 深圳市汇谷科技有限公司 | Vehicle-mounted refrigeration house lamp |
-
2013
- 2013-10-31 CN CN201320685537.7U patent/CN203549490U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567259A (en) * | 2014-11-28 | 2015-04-29 | 深圳市汇谷科技有限公司 | Vehicle-mounted refrigeration house lamp |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 |
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| CF01 | Termination of patent right due to non-payment of annual fee |