GB2512053A - An led outdoor light - Google Patents
An led outdoor light Download PDFInfo
- Publication number
- GB2512053A GB2512053A GB1304881.4A GB201304881A GB2512053A GB 2512053 A GB2512053 A GB 2512053A GB 201304881 A GB201304881 A GB 201304881A GB 2512053 A GB2512053 A GB 2512053A
- Authority
- GB
- United Kingdom
- Prior art keywords
- side covers
- upper cover
- rotary
- pivotable
- led
- 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.)
- Granted
Links
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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/002—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
-
- 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
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
-
- 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
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
-
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
-
- 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
- F21Y2113/00—Combination of light sources
-
- 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)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
An outdoor light comprises a housing 10 containing an electric control module (15, Fig. 1) and a lighting housing 20 including a vertical space 21 and two side sections 22. LED assemblies 30 are located between the side sections 22 and each assembly 30 comprises a circuit board 31, radiating fins 32 and LEDs. Two side covers 40 are pivotally mounted to the side sections 22. An upper cover 50 is pivotally mounted to the housing 10 and may rotate over the side covers 40. A gap is provided between the upper cover 50 and side covers 40. An end section 45 is located between the two side sections 22. A heat-dissipating area (70, Fig. 5) is formed by the space between the upper cover 50 and side covers 40 to aid dissipation of heat from the LED assemblies 30.
Description
AN LED OUTDOOR LIGHT
BACKGROUND OF INVENTION
I. Field of the Invention
The present invention relates generally to a lighting structure, and more particularly to an innovative LED outdoor light.
2. Description of Related Art
Outdoor lights such as streetlights and identification lights of high luminance are generally uscd in streets or by traffic signs at night for rcducing accidcnts and guaranteeing safcty of passengers. With technological progress, LED lights are widely developed and applied. Thanks to thc advantagcs including: stronger power-saving and longer service life, LED lights arc particularly suitable for outdoor lighting, helping to realize better economic benefits by reducing the cost of labor forcc and timc in maintcnancc and replaecment.
Although LED lights have gradually replaced traditional lights, a great number of LED bulbs arc required to cater for the needs of high luminance in outdoor lighting. Yet, the temperature generated by outdoor lights may increase rapidly during operation. Generally, LED bulbs are sealed within the housing, making it hard to eliminate the heat and also add the risk of damage to the housing and LED bulbs. Given the problems and shortages in replacement and maintenance as well as higher cost of labor force and LED bulbs, there is an urgent need to make a breakthrough improvement.
Thus, to overcome the aforementioned problems of the prior art, it would be an advancement if the art to provide an improved structure that can significantly improve the efficacy.
Therefore, the inventor has provided the present invention of practicability after deliberate design and evaluation based on years of experience in the production, development and design of related products.
SUMMARY OF THE INVENTION
The enhanced efficacy of the present invention is as follows: based on the innovative structural design of the present invention that the LED outdoor light mainly comprises: an electric control housing, lighting housing, LED lighting device, rotary side covers, assembled limiting portion, rotary upper cover and heat-dissipating space, the heat generated by the LED lighting device could be dissipated from said heat-dissipating space between the rotary upper cover and these two rotary side covers, thus realizing better heat dissipation and extending greatly the service life of the LED outdoor light.
The improvements brought about by this invention are as follow: I. at least a second heat-dissipating space is formed between the LED lighting device and the bottom of the lighting housing for heat convection with the heat-dissipating space, this could frirther strengthen heat dissipation effect of LED outdoor light; 2. the external surface of two rotary side covers may lean downward towards both sidcs of thc lighting housing, so that liquid could flow out along thc external surface for preventing the liquid flowing from the heat-dissipating space to the lighting housing.
Although the invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the spirit and scope of the invention as hereinafter claimed.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG 1. an assembled perspective view of the preferred embodiment of the present invention.
FIG 2. an exploded perspective view of the preferred embodiment of the present invention.
FIG 3. a rotating view of the rotary side covers and the rotary upper cover of the present invention.
FIG 4. a schematic plan of the present invention that the assembled limiting portion is set to slide forth and back.
FIG 5. a sectional view of the preferred embodiment of the present invention.
FIG 6. a partial sectional view of the other side of the present invention.
FIG 7. an application view of the present invention that the external surface of the rotary side cover is set to lean towards both sides of the lighting housing.
FIG 8. an application view of the present invention that several second heat-dissipating spaces are formed among the LED lighting device.
DETAILED DESCRIPTION OF THE INVENTION
FIGS. 1 -3 depict preferred embodiments of the improved LED outdoor light of the present invention, which, however, are provided for only explanatory objective. Said LED outdoor light A comprising: an electric control housing 10, made of a hollow structure, including: a front end 11, a rear end 12 and left and right surfaces 13, 14. An electric control module 15 is set into the electric control housing; a lighting housing 20, extended and located in front of the electric control housing 10. A vertical through-portion 21 is set in the center of the lighting housing 20, with two assembled rod sections 22 extended and formed at both sides; at least an LED lighting dcvicc 30, cxtcndcd and located across two assembled rod scctions 22, and also electrically connected with the electric control module 15 to control on/off state of the LED lighting dcvicc 30. The LED lighting dcvicc comprises of: a circuit board 31, several radiating fins 32 set on top surface of the circuit board 31, and several LED bulbs 33 set on bottom surface of the circuit board 31. Said LED bulbs 33 arc exposcd below the lighting housing 20 so as to give out irradiation light sources (shown in FIG. 5 and FIG. 8). Besides, the LED lighting device 30 is coated with a dampproof layer to protect the LED lighting device 30 against damage from water penetration; two rotary side covers 40, pivoted over two assembled rod sections 22, including: a pivoted end 41, a rotary end 42, an internal surface 43 and an external surface 44. The rotary side covers 40 may rotate internally by taking the pivoted end 41 as the pivot point, and then are located partially at two sides of the vertical through-portion 21; a rotary upper cover 50, pivoted at the front end of the electric contitl housing 10 via a pivoting portion 51, and rotating forward to be limited over these two rotary side covers 40, so as to prevent dust or dirt entering the lighting housing 20 by fully covering the vertical through-portion 21. Moreover, a gap is reserved between the rotary upper cover 50 and two rotary side covers 40.
As the vertical through-portion 21 is fully covered, it's possible to prevent external dirt (such as bird droppings and sand) entering the lighting housing 20; subsequently, this could avoid affecting heat-dissipating function of the LED lighting device 30 and shortening the service life; an assembled limiting portion 45, extended to the front cnd of these two assembled rod sections 22. A framed structure is formed among these two assembled rod sections 22, the assembled limiting portion 45 and the electric control housing 10. Moreover, the assembled limiting portion 45 is set to assemble these two rotary side covers 40 and the Mary upper cover 50; a heat-dissipating space 70, shown in FIG 5, lbrmed by the space between the rotary upper cover 50 and two rotary side covers 40.
Referring to FIGS. 4 and 5, a locating jack 46 is set on the bottom suthce of these two rotary side covers 40 and the rotary upper cover 50. The assembled limiting portion 45 is set to slide forth and back (indicated by arrow LI in FIG 4). Several convex columns 451 are set inside the assembled limiting portion 45 correspondingly to the locating jack 46. So, when the assembled limiting portion 45 slides backward, the convex columns 451 could be inserted into the locating jack 46 (shown in FIG 5), such that thcsc two rotary sidc covcrs 40 and the rotary upper cover 50 are locked. As shown in FIG 4, while the assembled limiting portion 45 slides forward, the convex columns 451 arc disengaged from the locating jack 46, such that these two rotary sidc covcrs 40 and the rotary upper cover 50 are in freely rotary state.
Of which, the LED lighting device 30 is designed into a single unit or multiple units. And, at least a second heat-dissipating space 71 is formed between the LED lighting device 30 and the bottom of the lighting housing 20 for heat convection with the heat-dissipating space 70. Referring to FIG 8, the LED outdoor light A comprises three LED lighting devices 30, each of which is located at interval; so several second heat-dissipating spaces 71 are formed at the bottom of the lighting housing 20; this could realize heat convection with the heat-dissipating space 70 and strengthen the radiation efficiency of LED outdoor light A. Referring to FIG 7, when these two rotary side covers 40 are located partially on both sides of the vertical through-portion 21, the external surface 44 may lean downward towards both sides of the lighting housing 20, so that liquid could flow out along the external surface 44 for preventing the liquid flowing from the heat-dissipating space 70 to the lighting housing 20. As the LED lighting device 30 is fully coated with a dampproof layer, the lighting housing 20 is protected against any damage arising from water penetration into the lighting housing 20.
Referring to FIGS. 5 and 6, a threaded bolt 61 is limited at the front end of the rotary upper cover 50. A screw hole 62 is set inside the assembled limiting portion 45 correspondingly to the threaded bolt 61. When thc rotary upper cover 50 is rotarily set over these two rotary sidc covers 40, it could be screwed securely onto the assembled limiting portion 45.
Based on above-specified structural description, thc present invention is operated as follows.
Referring to FIG 3, when it's intended for repair or replacement of the LED lighting device 30, these two rotary side covers 40 and the rotary upper cover 50 could be rotarily opened, and the vertical thmugh-portion 21 is kept open, allowing to take out smoothly the LED lighting device 30 (shown in FIG. 2).
ReferringtoFlG5,thepresentinventionismainlycharacterizedbythat, agapisreserved between the rotary upper cover 50 and these two rotary side covers 40, so that a heat-dissipating space 70 is formed accordingly; this enables heat generated by the LED lighting device 30 to be dissipated from the heat-dissipating space 70, thus realizing better heat-dissipating flinction and cxtcnding grcatly thc scrvicc lifc of thc LED outdoor light A.
Claims (5)
- CLAIMS: I. An LED outdoor light, which comprising: an electric control housing, made of a hollow structure, including: a front end, a rear end and left/right surfaces; an electric control module is set into the electric control housing; a lighting housing, extended and located in front of the electric control housing; a vertical through-portion is set in the center of the lighting housing, with two assembled rod sections extended and formed at both sides; at least an LED lighting device, extended and located across two assembled rod sections, and also electrically conncctcd with thc clcctric control modulc to control on'off statc of thc LED lighting device; the LED lighting device comprises of: a circuit board, several radiating fms set on top surfacc of thc circuit board, and several LED bulbs sct on bottom surfacc of thc circuit board; said LED bulbs are exposed below the lighting housing so as to give out irradiation light sources; the LED lighting device is coated with a damp-proof layer to protect the LED lighting device against damage from water penetration; two rotary side covers, pivoted over two assembled rod sections, including: a pivoted end, a rotary end, an internal surface and an external surface; the rotary side covers may rotate internally by taking the pivoted cnd as the pivot point, and then are located partially at two sides of the vertical through-portion; a rotary upper cover, pivoted at the front end of the electric control housing via a pivoting portion, and rotating forward over these two rotary side covers, so as to prevent dust or dirt entering the lighting housing by fully covering the vertical through-portion; a gap is reserved between the rotary upper cover and two rotary side covers; an assembled limiting portion, extended to the front end of these two assembled rod sections; a framed structure is formed among these two assembled rod sections, the assembled limiting portion and the electric control housing; the assembled limiting portion is set to assemble these two rotary side covers and the rotary upper cover; a heat-dissipating space, formed by the space between the rotary upper cover and two rotary side covers, alloing the heat from the LED lighting dcvicc to be dissipated from thc heat-dissipating space for better heat dissipation function and longer service life of the LED outdoor light.
- 2. The structure defined in Claim!, wherein a locating jack is set on the bottom surface of these two rotary side covers and the rotary upper cover; the assembled limiting portion is set to slide fbrth and baclq several convex columns are set inside the assembled limiting portion correspondingly to the locating jack; when the assembled limiting portion slides backward, the convex columns could be inserted into the locating jack, such that these two rotary side covers and the rotary upper cover are locked; while the assembled limiting portion slides lbrward, the convex columns are disengaged from the locating jack, such that these two rotary side covers and the rotary upper cover are in freely rotary state.
- 3. Thc structure defined in Claim 2, wherein said LED lighting device is dcsigncd into a single unit or multiple units; at least a second heat-dissipating space is formed between the LED lighting device and thc bottom of the lighting housing fbr heat convection with the heat-dissipating space.
- 4. The structure defined in Claim 3, wherein when these two rotary side covers are located partially on both sides of the vertical through-portion., the external surface may lean downward towards both sides of the lighting housing.
- 5. The structure defined in Claims 2,3 or 4, wherein a threaded bolt is limited at the front end of the rotary upper cover, a screw holc is set inside the assembled limiting portion correspondingly to the threaded bolt; when the rotary upper cover is rotarily set over these two rotary side covers, it could be screwed securely onto the assembled limiting portion.AMENDMENTS TO CLAIMS HAVE BEEN FILED AS FOLLOWSCLAIMS: 1. An LED outdoor light, which comprises: an electric control housing, defining a hollow structure, and including: a front end, a rear end and left/right surfaces; an electric control module set into the electric control housing; a lighting housing, located in front of the electric control housing which defines a cavity, with two side sections defining sides of the cavity; at least an LED lighting device, located between the side sections, and also electrically connected with the electric control module to control on/off state of the LED lighting device; the LED lighting device comprising: a circuit board, several cooling fins set on a top surface of the circuit board, and several LED bulbs set on bottom surface of the circuit board; said LED bulbs ct being exposed below the lighting housing; wherein the LED lighting device is coated with a y-damp-proof layer to protect the LED lighting device against damage from water penetration; two pivotable side covers, pivotably attached to the two assembled side sections, including: a pivoted end, an internal surface and an external surface; wherein the pivotable side covers may rotate to a location to partially cover the cavity; r a pivotable upper cover, pivoted at the front end of the electric control housing via a pivoting portion, and pivotable forward over the two pivotable side covers such that the cavity is fully covered, so as to inhibit dust or dirt entering the lighting housing; wherein a gap is reserved between the pivotable upper cover and two pivotable side covers; an end section, extended to the front end of the two assembled side sections; a framed structure being provided among the two assembled side sections, the end section and the electric control housing; the end section being configured to engage the pivotable side covers and the pivotable upper cover; a heat-dissipating space, formed by the space between the pivotable upper cover and pivotable side covers, allowing the heat from the LED lighting device to be dissipated from the heat-dissipating space for better heat dissipation function and longer service life of the LED outdoor light.2. The LED outdoor light defined in Claim I, wherein a location member is provided on the bottom surface of the two pivotaNe side covers and the pivotable upper cover; the end section being configured to slide forth and back; several convex columns being provided inside the end section corresponding to each location member; such that when the end section slides backward, each convex column may be inserted into a location member, and the two pivotable side covers and the pivotable upper cover are locked; and when the end section slides forward, the convex columns are disengaged from the location members, such that the two pivotable side covers and the pivotable upper cover are freely pivotable.3. The LED outdoor light defined in Claim 2, wherein said LED lighting device is designed into a single unit or multiple units; at least a second heat-dissipating space is formed between the LED lighting device and the bottom of the lighting housing for heat convection with the r heat-dissipating space.0 4. The LED outdoor light defined in Claim 2 or 3, wherein the convex columns are provided relative to the pivoted end of the pivoted side covers such that when the two pivotable side covers r are in a locked configuration, the external surface of each side cover is inclined downwards towards the side of the lighting housing.5. The LED outdoor light defined in Claims 2, 3 or 4, wherein a threaded bolt is provided at the front end of the pivotable upper cover, a screw hole is set inside the end section corresponding to the threaded bolt; such that when the pivotable upper cover is rotated into position over the two pivotable side covers, it may be screwed securely onto the end section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1304881.4A GB2512053B (en) | 2013-03-18 | 2013-03-18 | An led outdoor light |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1304881.4A GB2512053B (en) | 2013-03-18 | 2013-03-18 | An led outdoor light |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201304881D0 GB201304881D0 (en) | 2013-05-01 |
GB2512053A true GB2512053A (en) | 2014-09-24 |
GB2512053B GB2512053B (en) | 2015-02-04 |
Family
ID=48226564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1304881.4A Expired - Fee Related GB2512053B (en) | 2013-03-18 | 2013-03-18 | An led outdoor light |
Country Status (1)
Country | Link |
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GB (1) | GB2512053B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3327347A1 (en) * | 2016-11-24 | 2018-05-30 | Krzysztof Skiba | Streetlight |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7674012B1 (en) * | 2009-04-17 | 2010-03-09 | Cpumate Inc. | LED lighting device capable of uniformly dissipating heat |
CN102062325A (en) * | 2009-11-16 | 2011-05-18 | 深圳市联创环保节能设备有限公司 | Led street lamp device |
CN102853344A (en) * | 2012-09-19 | 2013-01-02 | 江苏三显照明科技有限公司 | LED streetlamp |
-
2013
- 2013-03-18 GB GB1304881.4A patent/GB2512053B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7674012B1 (en) * | 2009-04-17 | 2010-03-09 | Cpumate Inc. | LED lighting device capable of uniformly dissipating heat |
CN102062325A (en) * | 2009-11-16 | 2011-05-18 | 深圳市联创环保节能设备有限公司 | Led street lamp device |
CN102853344A (en) * | 2012-09-19 | 2013-01-02 | 江苏三显照明科技有限公司 | LED streetlamp |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3327347A1 (en) * | 2016-11-24 | 2018-05-30 | Krzysztof Skiba | Streetlight |
Also Published As
Publication number | Publication date |
---|---|
GB201304881D0 (en) | 2013-05-01 |
GB2512053B (en) | 2015-02-04 |
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Legal Events
Date | Code | Title | Description |
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PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20190318 |