CN201302062Y - LED lamp with radiation and illumination - Google Patents
LED lamp with radiation and illumination Download PDFInfo
- Publication number
- CN201302062Y CN201302062Y CNU200820137067XU CN200820137067U CN201302062Y CN 201302062 Y CN201302062 Y CN 201302062Y CN U200820137067X U CNU200820137067X U CN U200820137067XU CN 200820137067 U CN200820137067 U CN 200820137067U CN 201302062 Y CN201302062 Y CN 201302062Y
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- CN
- China
- Prior art keywords
- cover
- led lamp
- lockhole
- perforation
- heat radiation
- 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.)
- Expired - Fee Related
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Classifications
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- 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
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- 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
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/233—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
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- 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
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- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model provides an LED lamp with radiation and illumination, the radiating area is increased, the radiating effect is good, and the appearance of the LED lamp is artistic; the LED lamp comprises an LED unit, an inner cover, an outer cover, at least one sandwich cover, a drive unit and a locating block. The inner cover comprises a projection cup, a perforation, an outer lip edge and a radiating hole, the radiating hole is distributed on the outer lip edge in a surrounding way, the LED lamp is arranged on the perforation in a loading way for leading optical line to be radiated outwards. The outer cover is arranged above the inner cover, and forms a radiating room with the inner cover; the outer cover comprises a plurality of air holes, air flow in the radiating room is diverted outside by the air holes and the radiating hole. The sandwich cover is arranged in the radiating room in a supporting way, by sheathing the inner cover, the sandwich cover and the outer cover ring by ring, the radiating area is increased and the radiating effect is enhanced, and the appearance and the structure of the LED lamp is artistic, thereby solving the problems that the appearance of the existing LED lamp is limited and the radiating effect is limited.
Description
Technical field
The utility model relates to a kind of light fixture, relates in particular to a kind of heat radiation and LED lamp that throws light on of having concurrently.
Background technology
Light emitting diode (LED) has many effects such as volume is little, Material Cost is low, brightness is high, power is little, power saving, therefore, is commonly used in electronic product.
Compared to the power consumption of traditional osram lamp, based on halogen bulb, bulky problem, existing LED lamp no doubt has that volume is little, power is little and the advantage of power saving, still, still has following shortcoming in the use with regard to LED lamp integral body:
The heat dissipation problem of existing LED lamp, be to utilize the radiating fin that is directly installed on LED lamp lateral surface to reach, yet radiating fin no doubt have thermolysis, but, be subject to profile, the volume of radiating fin can not be provided with too big, therefore, radiating effect is also very limited, moreover most existing LED bulb outside is all limited by the profile of radiating fin, and machine-made fin shapes and structure limit the attractive in appearance and overall structure and the shaped design of LED lamp relatively.
Summary of the invention
The purpose of this utility model is to provide a kind of heat radiation and LED lamp that throws light on of having concurrently, compared to the limited problem of radiating effect of existing LED lamp; The utility model removes and to utilize the usefulness of inner cover as ray cast, again by with inner cover separately and ring ring the interlayer cover and the outer cover of hollow that are nested, increasing area of dissipation, and be aided with louvre, pore quickens to dredge thermal source, with raising service life.
Another purpose of the present utility model is to provide a kind of heat radiation and LED lamp that throws light on of having concurrently, is subject to the problem of shape, structure and aesthetic property compared to the radiating fin of existing LED lamp outside; The utility model is used the cover body that the ring ring is nested, and not only can obtain preferable radiating effect, has more advantage elegant in appearance.
In order to achieve the above object, the utility model provides a kind of heat radiation and LED lamp that throws light on of having concurrently, and it includes:
One LED unit;
One inner cover comprises a projection cup, a perforation, an outer lip and a plurality of louvre; Described perforation; Be the center bottom that axle is through at described projection cup, be connected with an inner space of described projection cup; Described projection cup comprises an opening port end, and described outer lip is stretched to the outer shroud distribution from described opening port end, and each described heat radiation orifice ring week is distributed on the described outer lip; Described LED carries on the peritreme of being located at described perforation the unit, make light towards described projection cup and its opening port extreme direction to external exposure;
One outer cover covers at the top of described inner cover, and defines a heat-dissipating space with described inner cover, and described outer cover includes a plurality of pores, and the air-flow that is present in described heat-dissipating space is dredged to the outside via each described pore and each described louvre;
At least one interlayer cover, for metal material is made, described interlayer cover is placed in described heat-dissipating space, and described interlayer cover and described inner cover, described outer cover are formed with a spacing respectively;
One driver element is electrically connected with described LED unit, and in order to drive described LED cell illumination, described driver element carries to be located on the described outer cover; And
A positioning block is combined between described outer cover and the described interlayer cover.
Heat radiation and the LED lamp that throws light on of having concurrently described in the utility model, wherein, described inner cover also comprises a flange, and described flange is high protruding in the periphery of described outer lip, and described outer cover bottom fastens between described flange and described outer lip.
Heat radiation and the LED lamp that throws light on of having concurrently described in the utility model, wherein, described LED unit comprises a substrate, a LED lamp body and an Access Division, described LED lamp body carries is located at described base plate bottom, described LED lamp body is placed through the inner space from the perforation of described inner cover, so that described Access Division is fastened in the described perforation.
Heat radiation and the LED lamp that throws light on of having concurrently described in the utility model, wherein, described driver element also comprises an interlocking section.
Heat radiation and the LED lamp that throws light on of having concurrently described in the utility model, wherein, described driver element also comprises at least one lockhole, and described outer cover also comprises a perforation and at least one lockhole, described locating piece comprises a plural lockhole and a perforation, and described interlayer cover comprises a perforation and at least one lockhole.
The LED lamp that has heat radiation and illumination concurrently described in the utility model, wherein, it is also fixed in conjunction with the lockhole of the lockhole of the lockhole of the described driver element of screw interlocking, described outer cover and described locating piece,
Heat radiation and the LED lamp that throws light on of having concurrently described in the utility model, wherein, described LED unit comprises a plurality of lockholes, utilizes bolt lockhole, the lockhole of described interlayer cover and the lockhole of described locating piece of the described LED of interlocking unit in regular turn.
Heat radiation and the LED lamp that throws light on of having concurrently described in the utility model, wherein, described inner cover, described interlayer cover, described outer cover or described locating piece are selected from metal material.
Heat radiation and the LED lamp that throws light on of having concurrently described in the utility model, wherein, described locating piece also comprises plurality of radiating fins, and described radiating fin is located on a side of locating piece.
Heat radiation and the LED lamp that throws light on of having concurrently described in the utility model, wherein, described locating piece also comprises plural radiating block, and the either side horizontal plane of described radiating block is laid with plural lockhole or at least one perforation.
Radiating effect compared to existing LED lamp is limited, and causes LED modulated structure and the restricted problem of profile because of the installing of radiating fin; Heat radiation and the LED lamp that throws light on of having concurrently of the present utility model, except utilizing the usefulness of inner cover as ray cast, again by with inner cover separately and the interlayer cover that is nested of ring ring and the outer cover of hollow, to increase area of dissipation, and be aided with the setting that the mutual convection current of louvre, through hole is communicated with, more can quicken to dredge thermal source, to improve radiating effect and to increase service life.In addition, the cover body that the ring ring is nested except the amplification area of dissipation, can obtain preferable radiating effect, more solves the existing limited problem of LED lamp profile, more with use advantage elegant in appearance.
Description of drawings
Fig. 1 is the exploded perspective view that the utility model has an embodiment of the LED lamp that dispels the heat and throw light on concurrently.
Fig. 2 is the assembled sectional view among Fig. 1.
Fig. 3 is the upright figure perspective view of LED lamp described in the utility model, is the situation that shows that thermal source is evacuated.
Fig. 4 is the another kind of embodiment of the utility model locating piece.
Fig. 5 is the locating piece of Fig. 4 has the embodiment of the LED lamp that dispels the heat and throw light on concurrently in the utility model a exploded perspective view.
Description of reference numerals: 10-LED unit; The 11-substrate; The 12-LED lamp body; The 13-Access Division; The 14-lockhole; The 20-inner cover; 21-throws cup; The 22-perforation; The 23-outer lip; The 24-flange; The 25-louvre; The 26-inner space; 27-opening port end; The 30-outer cover; The 31-pore; The 32-lockhole; The 33-perforation; 40-interlayer cover; The 41-perforation; The 42-lockhole; The 50-locating piece; The 51-perforation; The 52-lockhole; The 53-radiating fin; The 54-radiating block; The 60-driver element; The 61-lockhole; 62-interlocking section; The 70-bolt; The 80-bolt; The 90-heat-dissipating space; The d-spacing; The d1-spacing.
The specific embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the utility model is above-mentioned.
As Fig. 1, Fig. 2 and shown in Figure 3, an embodiment of LED lamp who has heat radiation and illumination concurrently of the present utility model comprises a LED unit 10, an inner cover 20, an outer cover 30, an interlayer cover 40, a positioning block 50, a driver element 60 and in conjunction with a plurality of bolts 70,80.
Described LED unit 10 comprises a substrate 11, a LED lamp body 12, an Access Division 13 and a plurality of lockholes 14.Described LED lamp body 12 is to carry to be located at described substrate 11 bottoms, and described Access Division 13 is the protruding walls of a kind of circle that are located on described LED unit 10, its size surround just described LED bulb unit around.
Described inner cover 20 is selected from metal material and makes, and is preferable with aluminium or aluminium alloy.Described inner cover 20 comprises a projection cup 21, one perforation 22, one outer lip 23, a flange 24 and a plurality of louvres 25.Described projection cup 21 comprises an opening port end 27, and described perforation 22 is center bottom that axle is through at described projection cup 21, be connected with an inner space 26 of described projection cup 21, and described projection cup 21 more comprises an opening port end 27.Described outer lip 23 is to stretch to the outer shroud distribution from described opening port end 27, and each described louvre 25 is that ring is distributed on the described outer lip 23 in week.Described flange 24 is high protruding in the periphery of described outer lip 23.
The LED lamp body 12 of described LED unit 10 is placed through inner space 26 from the perforation 22 of described inner cover 20 so that Access Division 13 fixes or is adhered on the peritreme of perforation 22, make light towards described projection cup 21 and its opening port end 27 directions to external exposure.
Described outer cover 30 is selected from metal material and makes, and is preferable with aluminium or aluminium alloy.Described outer cover 30 is located at the top of described inner cover 20, and defines a heat-dissipating space 90 with described inner cover 20.Described outer cover 30 includes a plurality of pores 31, at least one lockhole 32, a perforation 33, and the air-flow that is present in described heat-dissipating space 90 can be dredged to the outside with each described louvre 25 via each described pore 31, to increase radiating effect.Described outer cover 30 bottoms are to fasten between the flange 24 and outer lip 23 of described inner cover 20, and can be aided with viscose glue adhesion (figure does not disclose), to increase fixed effect.
Described interlayer cover 40 for metal material is made, is preferable with aluminium or aluminium alloy.Described interlayer cover 40 is to be placed in aforementioned heat-dissipating space 90.Described interlayer cover 40 is formed with a spacing d, d1 respectively with described inner cover 20, described outer cover 30, and the thermal source that described LED unit 10 is produced can be via the circulation that makes spacing d, d1, and dredges from louvre 25, through hole 31, to obtain preferable radiating effect.Described interlayer cover 40 comprises a perforation 41 and plural lockhole 42.
Described locating piece 50, be that interlocking is between described outer cover 30 and interlayer cover 40, and comprise a perforation 51, plural lockhole 52, described lockhole 52 can be that break-through or not break-through are arranged on the locating piece 50 1 side horizontal planes, in order to wear locking screw, the described lockhole 52 of embodiment for example of the present utility model is upper side and the downsides that are laid in described locating piece 50, and described perforation 51 and lockhole 52 can use in the transposition allotment.
Described driver element 60, comprise a driver functions and an interlocking section 62 and a lockhole 61, utilize an electric wire (not shown) to be electrically connected with described LED unit 10, and in order to drive 10 illuminations of described LED unit, described driver element 60 is to carry to be located on the described outer cover 10, described interlocking section 62 preferablies, for example the adopter of the utility model institute is the interlocking section 62 of general international bulb helical structure, is screwed together in rapidly in the existing general bulb power seat in order to convenient.
The utility model places the lockhole 14 of described LED unit 10, the lockhole 42 of described interlayer cover 40 (lockholes 42 of non-aforementioned bolt 80 lockings) in regular turn further combined with bolt 70 and is fixed, described lockhole 42 is owing to there are a plurality of screw 80 and 70 interlockings that can be used in different directions simultaneously, and described lockhole preferably for example is a kind of Screw hole structure.
Please consult the 4th and Fig. 5 simultaneously, be the another kind of embodiment of the utility model locating piece 50, described locating piece 50 further comprises a plurality of radiating fins 53, and a plurality of radiating blocks 54, and described radiating fin 53 is located on a side of locating piece 50.Described radiating fin 53 and described radiating block 54 have the function of heat radiation in order to allow described locating piece 50 more promote, for utilizing each element, the utility model fills a part best utilization that increases heat radiation, described radiating block 54 volumes are slightly larger than described radiating fin 53, on one side plane of described radiating block 54, and on the same horizontal plane of described locating piece 50 bodies one side that is connected, the plural lockhole 52 of embodiment locating piece 50 as described above can be set simultaneously, an or perforation 51, described lockhole 52 can be that break-through or not break-through are arranged on the locating piece 50 either side horizontal planes, in order to wear locking screw 70 and 80, the described lockhole 52 of embodiment for example of the present utility model is upper side and the downsides that are laid in described locating piece 50, and described perforation 51 and lockhole 52 can use in the transposition allotment.
Conclude above-mentioned, heat radiation and the LED lamp that throws light on of having concurrently of the present utility model, except utilizing the usefulness of inner cover 20 as ray cast, again by with inner cover 20 separately and the outer cover 30 of the interlayer cover 40 that is nested of ring ring and hollow, to increase area of dissipation, and be aided with the setting that the 31 mutual convection current of louvre 25, through hole are communicated with, more can quicken to dredge thermal source, to improve radiating effect and to increase service life.In addition, the cover body that the ring ring is nested except the amplification area of dissipation, can obtain preferable radiating effect, to solve the existing limited problem of LED lamp profile, makes more with use advantage elegant in appearance.
What deserves to be mentioned is, in the previous embodiment, though the quantity of interlayer cover 40 is only enumerated one, obtain better radiating effect as need, the heat space 90 that scatters that can be in Fig. 2 enlarges its spaces or sets up the interlayer cover 40 of plural majority simultaneously, increase its heat conduction and area of dissipation and speed, and the real traditional design restriction that is different from existing LED radiating fin of its heat radiation conductive structure, the utility model also simultaneously can allow the LED bulb that the good heat radiating effect is arranged, described most interlayer mounting means and previous embodiment mounting means are identical, so figure is no longer open.
More than explanation is just illustrative for the utility model; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.
Claims (10)
1, a kind of heat radiation and LED lamp that throws light on of having concurrently is characterized in that it includes:
One LED unit;
One inner cover comprises a projection cup, a perforation, an outer lip and a plurality of louvre; Described perforation; Be the center bottom that axle is through at described projection cup, be connected with an inner space of described projection cup; Described projection cup comprises an opening port end, and described outer lip is stretched to the outer shroud distribution from described opening port end, and each described heat radiation orifice ring week is distributed on the described outer lip; Described LED carries on the peritreme of being located at described perforation the unit, make light towards described projection cup and its opening port extreme direction to external exposure;
One outer cover covers at the top of described inner cover, and defines a heat-dissipating space with described inner cover, and described outer cover includes a plurality of pores, and the air-flow that is present in described heat-dissipating space is dredged to the outside via each described pore and each described louvre;
At least one interlayer cover, for metal material is made, described interlayer cover is placed in described heat-dissipating space, and described interlayer cover and described inner cover, described outer cover are formed with a spacing respectively;
One driver element is electrically connected with described LED unit, and in order to drive described LED cell illumination, described driver element carries to be located on the described outer cover; And
A positioning block is combined between described outer cover and the described interlayer cover.
2, heat radiation and the LED lamp that throws light on of having concurrently as claimed in claim 1 is characterized in that described inner cover also comprises a flange, and described flange is high protruding in the periphery of described outer lip, and described outer cover bottom fastens between described flange and described outer lip.
3, heat radiation and the LED lamp that throws light on of having concurrently as claimed in claim 1, it is characterized in that, described LED unit comprises a substrate, a LED lamp body and an Access Division, described LED lamp body carries is located at described base plate bottom, described LED lamp body is placed through the inner space from the perforation of described inner cover, so that described Access Division is fastened in the described perforation.
4, heat radiation and the LED lamp that throws light on of having concurrently as claimed in claim 1 is characterized in that described driver element also comprises an interlocking section.
5, heat radiation and the LED lamp that throws light on of having concurrently as claimed in claim 1, it is characterized in that, described driver element also comprises at least one lockhole, described outer cover also comprises a perforation and at least one lockhole, described locating piece comprises a plural lockhole and a perforation, and described interlayer cover comprises a perforation and at least one lockhole.
6, the LED lamp that has heat radiation and illumination concurrently as claimed in claim 5 is characterized in that it is also fixed in conjunction with the lockhole of the lockhole of the lockhole of the described driver element of screw interlocking, described outer cover and described locating piece,
7, heat radiation and the LED lamp that throws light on of having concurrently as claimed in claim 5 is characterized in that described LED unit comprises a plurality of lockholes, utilizes bolt lockhole, the lockhole of described interlayer cover and the lockhole of described locating piece of the described LED of interlocking unit in regular turn.
8, heat radiation and the LED lamp that throws light on of having concurrently as claimed in claim 1 is characterized in that described inner cover, described interlayer cover, described outer cover or described locating piece are selected from metal material.
9, heat radiation and the LED lamp that throws light on of having concurrently as claimed in claim 1 is characterized in that described locating piece also comprises plurality of radiating fins, and described radiating fin is located on a side of locating piece.
10, heat radiation and the LED lamp that throws light on of having concurrently as claimed in claim 1 is characterized in that described locating piece also comprises plural radiating block, and the either side horizontal plane of described radiating block is laid with plural lockhole or at least one perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820137067XU CN201302062Y (en) | 2008-10-16 | 2008-10-16 | LED lamp with radiation and illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820137067XU CN201302062Y (en) | 2008-10-16 | 2008-10-16 | LED lamp with radiation and illumination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201302062Y true CN201302062Y (en) | 2009-09-02 |
Family
ID=41085688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820137067XU Expired - Fee Related CN201302062Y (en) | 2008-10-16 | 2008-10-16 | LED lamp with radiation and illumination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201302062Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011035645A1 (en) * | 2009-09-27 | 2011-03-31 | Shen Lihao | Led light bulb with multiple layers of radiating structures |
| WO2011047565A1 (en) * | 2009-10-22 | 2011-04-28 | Shen Lihao | Multilayered heat-dissipating structure for led illumination lamp |
| CN102287789A (en) * | 2011-07-08 | 2011-12-21 | 黎昌兴 | Cooling device of LED (light-emitting diode) lamp capable of safely increasing air flow rate |
| CN102588756A (en) * | 2011-01-13 | 2012-07-18 | 旭丽电子(广州)有限公司 | Lighting fixture |
-
2008
- 2008-10-16 CN CNU200820137067XU patent/CN201302062Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011035645A1 (en) * | 2009-09-27 | 2011-03-31 | Shen Lihao | Led light bulb with multiple layers of radiating structures |
| WO2011047565A1 (en) * | 2009-10-22 | 2011-04-28 | Shen Lihao | Multilayered heat-dissipating structure for led illumination lamp |
| CN102588756A (en) * | 2011-01-13 | 2012-07-18 | 旭丽电子(广州)有限公司 | Lighting fixture |
| CN102588756B (en) * | 2011-01-13 | 2014-05-07 | 光宝电子(广州)有限公司 | Lighting fixture |
| CN102287789A (en) * | 2011-07-08 | 2011-12-21 | 黎昌兴 | Cooling device of LED (light-emitting diode) lamp capable of safely increasing air flow rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20111016 |