CN202613315U - Light distribution lens of LED streetlamp - Google Patents
Light distribution lens of LED streetlamp Download PDFInfo
- Publication number
- CN202613315U CN202613315U CN2012202511883U CN201220251188U CN202613315U CN 202613315 U CN202613315 U CN 202613315U CN 2012202511883 U CN2012202511883 U CN 2012202511883U CN 201220251188 U CN201220251188 U CN 201220251188U CN 202613315 U CN202613315 U CN 202613315U
- Authority
- CN
- China
- Prior art keywords
- datum level
- substrate
- light distribution
- plane
- light
- 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
Links
Images
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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- 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
- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an LED light distribution lens of an LED streetlamp. The light distribution lens comprises a substrate, a light incoming surface and a light outgoing surface, wherein the lower surface of the substrate is provided with an accommodating groove in which an LED lamp bulb is arranged, and the light incoming surface is an inner wall of the accommodating groove; and the upper surface of the substrate is provided with a bulge part, and the light outgoing surface is an outer wall of the bulge part. Because the light outgoing surface and the light incoming surface are distributed at two sides of a second reference surface asymmetrically, eccentric light-distribution can be realized, therefore light in partial illumination areas is more intensive and light in partial illumination areas is weaker so as to accord with the road illumination standard, and the utilization rate of light energy is improved; through reasonable setting of structures of the light incoming surface and the light outgoing surface, the illumination range can be conveniently expanded; and because an intersection line between the plane parallel to the lower surface of the substrate and the light incoming surface is a closed curve which is big in front end and small in rear end, and therefore the light distribution lens can be suitable for different shapes of LED bulbs.
Description
Technical field
The utility model relates to the lens field, is specifically related to LED road lamp light distribution lens.
Background technology
The LED street lamp has energy-conserving and environment-protective, advantage such as efficient, and enjoys the industry favor.And lens can improve the light effect that of light as the important spare part of LED street lamp.Yet existing lens all adopt axially symmetric structure, cause the brightness of illumination in pavement and track identical easily, but according to the requirement of road lighting standard, the brightness of illumination on pavement is low with respect to the brightness in track, thereby causes the waste of luminous energy.
The utility model content
Deficiency to prior art; The purpose of the utility model is intended to provide a kind of LED road lamp light distribution lens, because exiting surface and incidence surface all are asymmetric distribution in the both sides of second datum level, can realize eccentric luminous intensity distribution; Thereby make the partial illumination zonal ray stronger; The partial illumination zonal ray a little less than, meeting the road lighting standard, and improve the utilization rate of luminous energy.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
LED road lamp light distribution lens comprise substrate, incidence surface, exiting surface, and the lower surface of substrate is provided with the holding tank that supplies LED lamp pearl to install, and said incidence surface is the inwall of holding tank; The upper surface of substrate is provided with lug boss, and said exiting surface is the outer wall of lug boss; One of them plane with perpendicular to upper surface of base plate and process substrate center line is first datum level, and exiting surface and incidence surface all are symmetrical distribution in the both sides of first datum level; Plane with perpendicular to upper surface of base plate and first datum level and process substrate center line is second datum level, and incidence surface and exiting surface all are asymmetric distribution in the both sides of second datum level; Said exiting surface comprises front curve, the rear curved surface that is connected with front curve, and the middle part of said rear curved surface is inner concavity, and rear curved surface, front curve are symmetrical distribution in the both sides of first datum level.
Be parallel to the plane of base lower surface and the intersection of incidence surface and be the little closed curve in the big rear end of front end, and the length direction of this closed curve is consistent with the bearing of trend of first datum level, width is consistent with the bearing of trend of second datum level.
The intersection that is parallel to plane and the incidence surface of second datum level all is the smooth curve of unimodal shape.
Being parallel to the plane of upper surface of base plate and the intersection of exiting surface is closed curve; This closed curve comprises first camber line, second camber line, the 3rd camber line of head and the tail connection successively; Said second camber line and the 3rd camber line be through the transition of indent camber line, and between all the other adjacent camber lines all through the circular arc smooth transition; And the length direction of this closed curve is consistent with the bearing of trend of second datum level, and width is consistent with the bearing of trend of first datum level.
The intersection that is parallel to plane and the exiting surface of first datum level all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate center's line.
The intersection that is parallel to plane and the incidence surface of first datum level all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate center's line.
The peak of intersection that is parallel to plane and the exiting surface of first datum level is positioned at the same side of substrate center's line with the peak of the intersection of this plane and incidence surface.
The rounded shape of said substrate, the center line of substrate are its axis.
Incidence surface and exiting surface are shiny surface.
The lower surface of substrate also is provided with a rounded locating slot; Incidence surface is positioned at the view field of locating slot on this plane in the projection of base lower surface.
The LED road lamp light distribution lens that the utility model is set forth, its beneficial effect is:
1, because exiting surface and incidence surface all are asymmetric distribution in the both sides of second datum level, can realize eccentric luminous intensity distribution, thereby make the partial illumination zonal ray stronger, the partial illumination zonal ray a little less than, meeting the road lighting standard, and improve the utilization rate of luminous energy;
2, through the structure of incidence surface and exiting surface rationally is set, can be convenient to enlarge its illumination zone;
3, owing to be parallel to the plane of base lower surface and the intersection of incidence surface is the little closed curve in the big rear end of front end, can make it be applicable to difform LED lamp pearl.
Description of drawings
Fig. 1 is the structural representation of the utility model LED road lamp light distribution lens;
Fig. 2 is the structural representation of the other direction of the utility model LED road lamp light distribution lens;
Fig. 3 is the vertical view of LED road lamp light distribution lens shown in Figure 1;
Fig. 4 be Fig. 3 along B-B to cutaway view;
Fig. 5 be Fig. 3 along A-A to cutaway view;
Fig. 6 is the upward view of LED road lamp light distribution lens shown in Figure 1;
Wherein, 1, substrate; 2, incidence surface; 3, exiting surface; 31, front curve; 32, rear curved surface; 4, locating slot; The intersection of P1, second datum level and incidence surface; The intersection of P2, first datum level and exiting surface; The intersection of P3, first datum level and incidence surface.
The specific embodiment
Below, in conjunction with the accompanying drawing and the specific embodiment, the utility model LED road lamp light distribution lens are done further describing, so that clearerly understand the utility model technical thought required for protection.
Like Fig. 1, shown in 2,, comprise substrate 1, incidence surface 2, exiting surface 3 for the utility model LED road lamp light distribution lens.The lower surface of substrate 1 is provided with the holding tank that supplies LED lamp pearl to install, and said incidence surface 2 is the inwall of holding tank.The upper surface of substrate 1 is provided with lug boss, and said exiting surface 3 is the outer wall of lug boss.As shown in Figure 3, be perpendicular to substrate 1 upper surface and through the plane of substrate 1 center line along A-A line cross section, be first datum level of present embodiment with this plane, exiting surface 3 all is symmetrical distribution with incidence surface 2 in the both sides of first datum level.Along B-B line cross section is with the plane perpendicular to substrate 1 upper surface and first datum level and process substrate 1 center line, is second datum level of present embodiment with this plane, and incidence surface 2 all is asymmetric distribution with exiting surface 3 in the both sides of second datum level.As shown in Figure 1, said exiting surface 3 comprises front curve 31, the rear curved surface 32 that is connected with front curve 31, and the middle part of said rear curved surface 32 is inner concavity, and rear curved surface 32, front curve 31 are symmetrical distribution in the both sides of first datum level.Through adopting said structure, can realize eccentric luminous intensity distribution, thereby make the partial illumination zonal ray stronger, the partial illumination zonal ray a little less than, meeting the road lighting standard, and improve the utilization rate of luminous energy.And in actual use, can make light be partial to the track through these lens, thus the brightness of illumination in track improved, and reduce the brightness of illumination on pavement.
Like Fig. 1, shown in 2, said substrate 1 rounded shape, the center line of substrate 1 is its axis.Incidence surface 2 is shiny surface with exiting surface 3.
Be parallel to the plane of substrate 1 upper surface and the intersection of incidence surface and be the little closed curve in the big rear end of front end, and the length direction of this closed curve is consistent with the bearing of trend of first datum level, width is consistent with the bearing of trend of second datum level.Concrete is as shown in Figure 6, and incidence surface 2 is the little egg-shaped in the big rear end of front end through adopting said structure in the projection of substrate 1 upper surface, can make it be applicable to difform LED lamp pearl, and its front end is convenient to electric wire and is penetrated from front end greater than the rear end.As shown in Figure 4, the intersection P1 of the plane of second datum level and incidence surface 2 all is the smooth curve of unimodal shape; And in like manner, the intersection that is parallel to plane and the incidence surface 2 of second datum level all is the smooth curve of unimodal shape.As shown in Figure 5, the intersection P3 of first datum level and incidence surface is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate 1 center line; In like manner, the intersection that is parallel to first datum level and incidence surface 2 all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate 1 center line.
Being parallel to the plane of substrate 1 upper surface and the intersection of exiting surface is closed curve; This closed curve comprises first camber line, second camber line, the 3rd camber line of head and the tail connection successively; Said second camber line and the 3rd camber line be through the transition of indent camber line, and between all the other adjacent camber lines all through the circular arc smooth transition; And the length direction of this closed curve is consistent with the bearing of trend of second datum level, and width is consistent with the bearing of trend of first datum level.Concrete is as shown in Figure 3, and this exiting surface 3 is Pigs Kidney shape in the projection of substrate 1 upper surface.As shown in Figure 5, the intersection P2 of first datum level and exiting surface 3 all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate 1 center line; And in like manner, the intersection that is parallel to plane and the exiting surface 3 of first datum level all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate 1 center line.The peak of intersection that is parallel to plane and the exiting surface 3 of first datum level is positioned at the same side of substrate 1 center line with the peak of the intersection of this plane and incidence surface 2.Through the structure of incidence surface 2 and exiting surface 3 rationally is set, can be convenient to enlarge its illumination zone, and make its hot spot be bat wing.And in actual use, can pass through the parameter of each parts of adjustment, thus obtain 140 ° lighting angle, to improve its light distribution effect.
Certainly, the shape of exiting surface 3 is not limited in this, also can be set to be similar to other shapes such as peanut shelly in the projection of substrate 1 upper surface by exiting surface 3, and in like manner, also can incidence surface 2 be set to circle in the projection of substrate 1 lower surface and waits other shapes.And this exiting surface 3 all satisfies with incidence surface 2: all be symmetrical distribution in the both sides of first datum level, all be asymmetric distribution in the both sides of second datum level, can realize eccentric light distributing function.All be set to the little closed curve in the big rear end of front end but will be parallel to the plane of substrate 1 upper surface and the intersection of incidence surface, be the optimal case of the utility model, it can optimize light distribution effect.
As shown in Figure 2, the lower surface of substrate 1 also is provided with a rounded locating slot 4.Incidence surface 2 is positioned at the view field of locating slot 4 on this plane in the projection of substrate 1 lower surface.Can be convenient to realize the Fast Installation of LED road lamp light distribution lens through locating slot 4.
To one skilled in the art, can make other various corresponding changes and deformation, and these all changes and deformation should belong within the protection domain of the utility model claim all according to the technical scheme and the design of above description.
Claims (10)
1.LED the road lamp light distribution lens is characterized in that: comprise substrate, incidence surface, exiting surface, the lower surface of substrate is provided with the holding tank that supplies LED lamp pearl to install, and said incidence surface is the inwall of holding tank; The upper surface of substrate is provided with lug boss, and said exiting surface is the outer wall of lug boss; One of them plane with perpendicular to upper surface of base plate and process substrate center line is first datum level, and exiting surface and incidence surface all are symmetrical distribution in the both sides of first datum level; Plane with perpendicular to upper surface of base plate and first datum level and process substrate center line is second datum level, and incidence surface and exiting surface all are asymmetric distribution in the both sides of second datum level; Said exiting surface comprises front curve, the rear curved surface that is connected with front curve, and the middle part of said rear curved surface is inner concavity, and rear curved surface, front curve are symmetrical distribution in the both sides of first datum level.
2. LED road lamp light distribution lens as claimed in claim 1; It is characterized in that: be parallel to the plane of base lower surface and the intersection of incidence surface and be the little closed curve in the big rear end of front end; And the length direction of this closed curve is consistent with the bearing of trend of first datum level, and width is consistent with the bearing of trend of second datum level.
3. according to claim 1 or claim 2 LED road lamp light distribution lens is characterized in that: the intersection that is parallel to plane and the incidence surface of second datum level all is the smooth curve of unimodal shape.
4. according to claim 1 or claim 2 LED road lamp light distribution lens; It is characterized in that: being parallel to the plane of upper surface of base plate and the intersection of exiting surface is closed curve; This closed curve comprises first camber line, second camber line, the 3rd camber line of head and the tail connection successively; Said second camber line and the 3rd camber line be through the transition of indent camber line, and between all the other adjacent camber lines all through the circular arc smooth transition; And the length direction of this closed curve is consistent with the bearing of trend of second datum level, and width is consistent with the bearing of trend of first datum level.
5. according to claim 1 or claim 2 LED road lamp light distribution lens is characterized in that: the intersection that is parallel to plane and the exiting surface of first datum level all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate center's line.
6. LED road lamp light distribution lens as claimed in claim 5 is characterized in that: the intersection that is parallel to plane and the incidence surface of first datum level all is the smooth curve of unimodal shape, and the peak of this smooth curve is positioned at a side of substrate center's line.
7. LED road lamp light distribution lens as claimed in claim 6 is characterized in that: be parallel to the peak of intersection of plane and the exiting surface of first datum level, be positioned at the same side of substrate center's line with the peak of the intersection of this plane and incidence surface.
8. LED road lamp light distribution lens as claimed in claim 1 is characterized in that: the rounded shape of said substrate, the center line of substrate are its axis.
9. LED road lamp light distribution lens as claimed in claim 1, it is characterized in that: incidence surface and exiting surface are shiny surface.
10. LED road lamp light distribution lens as claimed in claim 1 is characterized in that: the lower surface of substrate also is provided with a rounded locating slot; Incidence surface is positioned at the view field of locating slot on this plane in the projection of base lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202511883U CN202613315U (en) | 2012-05-30 | 2012-05-30 | Light distribution lens of LED streetlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202511883U CN202613315U (en) | 2012-05-30 | 2012-05-30 | Light distribution lens of LED streetlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202613315U true CN202613315U (en) | 2012-12-19 |
Family
ID=47347007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202511883U Expired - Fee Related CN202613315U (en) | 2012-05-30 | 2012-05-30 | Light distribution lens of LED streetlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202613315U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206670A (en) * | 2013-05-03 | 2013-07-17 | 深圳市耀嵘科技有限公司 | Light distribution lens, light distribution lens module and LED (light-emitting diode) energy-saving lamp |
| CN103939843A (en) * | 2014-04-17 | 2014-07-23 | 苏州威恩斯光电科技有限公司 | LED illuminating lens |
| CN104676370A (en) * | 2013-12-03 | 2015-06-03 | 深圳市邦贝尔电子有限公司 | Light emitting diode (LED) lamp bead and LED light emitting module and LED street lamp with same |
| CN105020678A (en) * | 2015-08-04 | 2015-11-04 | 珠海金晟照明科技有限公司 | Lens unit, lens assembly and street lamp holder |
| CN105627251A (en) * | 2015-11-30 | 2016-06-01 | 中山大学 | Compatible street lamp lens |
| TWI626401B (en) * | 2015-06-03 | 2018-06-11 | 榮創能源科技股份有限公司 | Lens for light emitting device |
| CN108775554A (en) * | 2018-06-27 | 2018-11-09 | 苏州欧普照明有限公司 | A kind of lens and lamp box |
| CN109541848A (en) * | 2019-01-04 | 2019-03-29 | 惠州市华星光电技术有限公司 | Lens for LED light source |
| CN110553157A (en) * | 2018-05-30 | 2019-12-10 | 首尔半导体株式会社 | Light emitting module, window unit for light emitting module and street lamp |
| CN110878920A (en) * | 2019-12-03 | 2020-03-13 | 深圳市联域光电有限公司 | LED wall lamp with adjustable light emitting angle |
| WO2021094574A1 (en) * | 2019-11-15 | 2021-05-20 | Valeo Vision | Lighting module for lateral part of a vehicle |
| FR3103251A1 (en) * | 2019-11-15 | 2021-05-21 | Valeo Vision | Lighting module for the side of a vehicle |
| CN113446576A (en) * | 2021-06-17 | 2021-09-28 | 深圳市承光光电有限公司 | Lens and illuminating lamp |
-
2012
- 2012-05-30 CN CN2012202511883U patent/CN202613315U/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206670A (en) * | 2013-05-03 | 2013-07-17 | 深圳市耀嵘科技有限公司 | Light distribution lens, light distribution lens module and LED (light-emitting diode) energy-saving lamp |
| WO2014177066A1 (en) * | 2013-05-03 | 2014-11-06 | 深圳市耀嵘科技有限公司 | Light distribution lens, light distribution lens module and led energy-saving lamp |
| CN103206670B (en) * | 2013-05-03 | 2017-12-26 | 深圳市耀嵘科技有限公司 | Light-distribution lens, light-distribution lens module and LED electricity-saving lamps |
| CN104676370A (en) * | 2013-12-03 | 2015-06-03 | 深圳市邦贝尔电子有限公司 | Light emitting diode (LED) lamp bead and LED light emitting module and LED street lamp with same |
| CN103939843A (en) * | 2014-04-17 | 2014-07-23 | 苏州威恩斯光电科技有限公司 | LED illuminating lens |
| US10222024B2 (en) | 2015-06-03 | 2019-03-05 | Advanced Optoelectronic Technology, Inc. | Lens for light emitting device |
| TWI626401B (en) * | 2015-06-03 | 2018-06-11 | 榮創能源科技股份有限公司 | Lens for light emitting device |
| CN105020678A (en) * | 2015-08-04 | 2015-11-04 | 珠海金晟照明科技有限公司 | Lens unit, lens assembly and street lamp holder |
| CN105020678B (en) * | 2015-08-04 | 2017-10-13 | 珠海金晟照明科技有限公司 | Lens unit, lens subassembly and road lamp cap |
| CN105627251B (en) * | 2015-11-30 | 2019-01-08 | 中山大学 | A kind of compatibility street lamp lens |
| CN105627251A (en) * | 2015-11-30 | 2016-06-01 | 中山大学 | Compatible street lamp lens |
| CN110553157A (en) * | 2018-05-30 | 2019-12-10 | 首尔半导体株式会社 | Light emitting module, window unit for light emitting module and street lamp |
| CN110553157B (en) * | 2018-05-30 | 2023-04-21 | 首尔半导体株式会社 | Light emitting module, window unit for light emitting module and street lamp |
| CN108775554A (en) * | 2018-06-27 | 2018-11-09 | 苏州欧普照明有限公司 | A kind of lens and lamp box |
| CN108775554B (en) * | 2018-06-27 | 2023-09-29 | 苏州欧普照明有限公司 | Lens and lamp box |
| CN109541848A (en) * | 2019-01-04 | 2019-03-29 | 惠州市华星光电技术有限公司 | Lens for LED light source |
| CN109541848B (en) * | 2019-01-04 | 2021-07-06 | 惠州市华星光电技术有限公司 | Lens for LED light source |
| WO2021094574A1 (en) * | 2019-11-15 | 2021-05-20 | Valeo Vision | Lighting module for lateral part of a vehicle |
| FR3103251A1 (en) * | 2019-11-15 | 2021-05-21 | Valeo Vision | Lighting module for the side of a vehicle |
| US12066163B2 (en) | 2019-11-15 | 2024-08-20 | Valeo Vision | Lighting module for lateral part of a vehicle |
| CN110878920A (en) * | 2019-12-03 | 2020-03-13 | 深圳市联域光电有限公司 | LED wall lamp with adjustable light emitting angle |
| CN113446576A (en) * | 2021-06-17 | 2021-09-28 | 深圳市承光光电有限公司 | Lens and illuminating lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202613315U (en) | Light distribution lens of LED streetlamp | |
| CN202403190U (en) | Asymmetrical light distribution structure of LED projection lamp | |
| WO2008138185A1 (en) | A directive illumination energy-saving led light and method for manufacturing the same | |
| CN203202908U (en) | LED road lamp light distribution lens | |
| CN201827734U (en) | LED (light-emitting diode) fluorescent lamp | |
| CN104421837B (en) | A kind of Universal LED lens | |
| CN104566216B (en) | A kind of asymmetric LED street lamp lens | |
| CN202158439U (en) | Light-emitting diode (LED) street lamp with high-efficient rectangular light distribution function | |
| CN104141933A (en) | Method and lamp for achieving LED large area average illumination | |
| CN204187465U (en) | A kind of suspension type LED road lamp | |
| CN102207268A (en) | LED street lamp with efficient rectangular light distribution function | |
| CN201764358U (en) | LED light source streetlamp for expressway | |
| CN201661991U (en) | Energy-saving street lamp | |
| WO2011082679A1 (en) | Lens for led street lamp | |
| CN201636761U (en) | LED (Light Emitting Diode) street lamp lens | |
| CN103196098B (en) | Asymmetrical reflector for multi-modular LED street lamp | |
| CN204345531U (en) | A kind of asymmetric LED street lamp lens | |
| CN203464018U (en) | Light source with internal light distribution curves | |
| CN202056758U (en) | Reflector | |
| CN201281270Y (en) | Light adjustable LED street lamp | |
| CN201611066U (en) | Rectangular hot spot forming device of LED street lamp | |
| CN202484797U (en) | Light-emitting diode (LED) street lamp with large radiation angle | |
| CN201535478U (en) | LED lens | |
| CN203115761U (en) | Parallel-rod street lamp | |
| CN204285311U (en) | Led street lamp lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20121219 Termination date: 20190530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |