CN101446396B - LED street lamp - Google Patents
LED street lamp Download PDFInfo
- Publication number
- CN101446396B CN101446396B CN200810226692.6A CN200810226692A CN101446396B CN 101446396 B CN101446396 B CN 101446396B CN 200810226692 A CN200810226692 A CN 200810226692A CN 101446396 B CN101446396 B CN 101446396B
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- emitting diode
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- 230000003287 optical effect Effects 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- 238000005286 illumination Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical group [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an LED street lamp, comprising a lamp post and a lamp body, wherein, the lamp body comprises a lamp holder and a PCB plate; the lamp holder is a plane plate, and the PCB plate is fixed on the lamp holder; the PCB plate is provided with a power cord, a signal wire, at least one group of LEDs and a control module thereof; the PCB plate and the surface of the lamp holder which faces to the LEDs are respectively provided with a film to reflect light. The street lamp has simple structure, wide illumination range and relatively centralized light.
Description
Technical field
The present invention relates to a kind of LED lighting device, in particular, a kind of LED street lamp.
Background technology
Because LED street lamp has the features such as life-span length, high light source, radiationless, low-power consumption, LED semiconductor light sources is widely used at lighting field in recent years.In prior art, in general LED street lamp, a bowl-shape prefocus cup is all set, for light is concentrated, penetrates, but because street lamp application is outdoor, and throw light on a large scale for road surface, light beam is too concentrated, will make illumination range diminish.
Therefore, there is defect in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of simple in structure, illumination range large and the relatively concentrated LED street lamp of light.
Technical scheme of the present invention is as follows: a kind of LED street lamp, and comprise lamp stand and be fixed on the lamp body on described lamp stand, wherein, described lamp body comprises lamp socket and pcb board; Described lamp socket is a plane plate, and described pcb board is fixed on described lamp socket; Power line, holding wire, at least one group of LED light emitting diode and control module thereof are set on described pcb board; Described pcb board and described lamp socket arrange respectively a rete on the surface relative with LED light emitting diode, for reflection ray.
Described LED street lamp, wherein, arranges a recess on described lamp socket, described pcb board is fixed in described recess, and forms a plane plate with described lamp socket.
Described LED street lamp, wherein, described lamp socket is a circular flat plate, each is organized LED light emitting diode and is evenly arranged on described lamp socket.
Described LED street lamp, wherein, in each group LED light emitting diode, each LED light-emitting diode arrangement becomes a rhombus.
Described LED street lamp, wherein, each group LED light emitting diode comprises at least 1 red LED light emitting diode, at least 1 green LED light emitting diode and at least 1 blue led light emitting diode.
Described LED street lamp, wherein, in each group LED light emitting diode, red LED light emitting diode, green LED light emitting diode are 3:2:1 with the quantity ratio of blue led light emitting diode.
Described LED street lamp, wherein, described lamp socket is at least one metallic plate.
Described LED street lamp, wherein, described rete is a reflective metal film, and, be evenly arranged on the surface of described pcb board and described lamp socket.
Described LED street lamp, wherein, also arranges at least one fixture, for described lamp body is fixed on to described lamp stand on described lamp socket.
Described LED street lamp, wherein, described LED street lamp also arranges a solar energy equipment being fixed on described lamp stand, and described solar energy equipment comprises solar panel, battery and electric-controlled switch, by described power line, is connected to each control module.
Described LED street lamp, wherein, described LED street lamp also comprises a lampshade, described lampshade arranges an optical waveguide layer, for evenly deriving light.
Adopt such scheme, the present invention is set to plane plate by lamp socket, and the surface of lamp socket and pcb board arranges a rete, and structure is very simple; The light that is radiated at rete, reflects away to photograph face by rete, can strengthen the light intensity of shadow surface; And because lamp socket is plane plate, so the angular field of view of light can reach 180 degree.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present invention;
Fig. 2 is the schematic diagram of lamp body in the present invention;
Fig. 3 is pcb board schematic diagram in the present invention;
Fig. 4 is the schematic diagram of embodiments of the invention 3;
Fig. 5 is the schematic diagram of embodiments of the invention 4;
Fig. 6 is the schematic diagram of embodiments of the invention 5;
Fig. 7 is the schematic diagram of embodiments of the invention 7;
Fig. 8 is the schematic diagram of embodiments of the invention 8.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As depicted in figs. 1 and 2, the LED street lamp of the present embodiment, comprise lamp stand and lamp body 1, wherein lamp stand comprises a mobile jib 3 and a pole 2, mobile jib 3 is for supporting whole LED street lamp, make LED street lamp can be fixed on a certain specifically in the localities, pole 2 is for making top, the extended road surface of lamp body 1, illumination for road surface
Lamp body 1 comprises lamp socket 101 and pcb board 102; Wherein lamp socket 101 is set to a plane plate, and pcb board 102 is fixed on lamp socket 101; Pcb board 102 can be fixed on lamp socket 101 by fixed cell, such as: adopt the conventional fixed form such as screw, rivet, welding unit, stickup unit.
As shown in Figure 3, a positive source line 201, a power-polar curve 203, at least one holding wire 202 are set, at least one LED light emitting diode 104 and control module 204 on pcb board 102.The positive and negative polar curve of power supply can provide voltage for LED street lamp, and LED light emitting diode 104 is as light source, for the illumination on road surface.Control module 204 is controlled LED light emitting diode for driving, and according to the control signal of each holding wire 202 transmission, drive the LED light emitting diode of controlling varying number, make each LED light emitting diode can realize different brightness and change, and mutually combine and be the variation of different colours between each LED light emitting diode.
For example: the control chip ZQL9712 that control module 204Wei Beijing Zhongqing Micro-digit Equipment Development Co., Ltd produces, control chip ZQL9712 is by four control signal wire transmission of control signals that are comprised of four wires, and, according to the control signal of transmission, drive and control 3 LED light emitting diodes, or drive a plurality of versicolor LED light emitting diodes of control.
In addition, LED light emitting diode 104 comprises red LED light emitting diode, blue led light emitting diode and green LED light emitting diode, in LED street lamp, can comprise wherein a kind of color or wherein any two kinds of colors or wherein three kinds of color LED light emitting diodes, be that the LED light emitting diode arranging in LED street lamp can be according to actual needs, magnitude setting and color.The for example interior setting of a LED street lamp 102 red LED light emitting diode only, or LED street lamp 102 is interior arranges 3 LED light emitting diodes, comprising 1 red LED light emitting diode, 1 blue led light emitting diode and 1 green LED light emitting diode.
Usually, in order to realize well the illuminating effect of LED street lamp, the general high-power LED light emitting diode that adopts of LED light emitting diode 104, and in a LED street lamp, more than one group LED light emitting diode can be set, the LED light emitting diode of every group wherein, comprise at least 1 red LED light emitting diode, at least 1 green LED light emitting diode and at least 1 blue led light emitting diode, the LED light emitting diode group that comprises three kinds of colors can be distinguished independent control by control module, cooperatively interact and send versicolor light, especially penetrate the needed white light of illumination.
And for example, LED light emitting diode 104 can also comprise at least one White LED light emitting diode, and White LED light emitting diode can be powerful White LED light emitting diode.
As shown in Figure 2, the surface of pcb board 102 and lamp socket 101 also arranges a rete 103, generally on pcb board 102 and lamp socket 101 surface relative with LED light emitting diode, rete 103 is set, rete 103 can be a reflexed light film, usually, the light-emitting area of LED light emitting diode is arranged on one side relative with ground, and lamp socket 101 is arranged on one side contrary with LED light emitting surface of light emitting diode, the light that LED light emitting diode sends penetrates to surrounding, a part is irradiated on ground, another part is radiated on the surface of lamp socket 101 and pcb board 102, be radiated at the light on lamp socket 101 and pcb board 102 surfaces through reflexed light film 103 reflections earthward, can strengthen the light intensity on ground.
Rete 103 be preferably a metal reflective rete, metal reflective rete has extraordinary heat resistance and corrosion resistant performance, and reflective metal film is evenly arranged on the surface of described pcb board and described lamp socket, can make the light that reflects also more even frequently.
For ease of heat radiation, described lamp socket can be a metallic plate, or the combination of polylith metallic plate.On this basis, metal reflective rete can be wholely set with metallic plate, also can be the plated film of metallic plate.
In addition, because lamp socket 101 is set to plane plate, the direct directive of the light portion ground that LED light emitting diode sends, another part is directive ground after rete 103 reflections, and the visual angle of light is very wide, can make LED street lamp reach the angular field of view of 180 degree.
Embodiment 2
On the basis of embodiment 1, many positive source lines 201 and many power-polar curves 203 can also be set on pcb board 102.
Wherein each power circuit can be set to comprise many cathode power supply circuits and many negative power supply circuits, each cathode power supply line is connected with external power supply respectively with each anode power cord, be used to LED light-emitting diodes 104 pipes that voltage is provided, to guarantee each LED light emitting diode in LED street lamp and the normal work of other electronic devices and components; Other electronic devices and components can be for control module 204 or for preventing the excessive resistance of installing of electric current etc.
Multipair positive and negative electrode power circuit is set can be connected with LED light emitting diode and other electronic devices and components respectively, a certainly aligning, negative power supply circuit is when disconnect, and do not affect the normal work of other positive and negative electrode power circuits; Also can be using a pair of positive and negative electrode power circuit wherein as main power line, other positive and negative electrode power circuits are as stand-by power supply line, power line has multiple assurance, makes when main power line disconnects, and does not affect the normal work of LED light emitting diode and other electronic devices and components.
Control module 204 can also be set to single wire transmission control module, and the control signal wire of single wire transmission control signal is only the control signal wire 202 being comprised of a wire.
For example: the single line control chip ZQL1111 that single line control module 204Wei Beijing Zhongqing Micro-digit Equipment Development Co., Ltd produces, single line control chip ZQL1111 is by the control signal wire transmission of control signals being comprised of a wire, and, according to the control signal of transmission, drive and control 3 different LED light emitting diodes.
Embodiment 3
As Fig. 4 shows, in embodiment 1, a recess 401 can also be set on lamp socket 101, described pcb board 102 is fixed in described recess 401.The size shape of recess 401 is according to the size shape setting of pcb board 102, and for example, recess 401 is set to an only recess in accommodating pcb board 102 spaces, and pcb board 102 can directly prevent in recess, and be fastened in recess 401.
For example, pcb board is bar shaped, and described recess can be a groove.
In addition, also fixed cell can be set, pcb board 102 is fixed in recess 401, for example, stickup unit is set, pcb board 102 is placed in recess 401, and sticks in recess by pasting unit; And for example, installation recess is set in recess, suitable raised line is set on pcb board 102, by adaptive recess and raised line, pcb board 102 is fixed in recess 401.In addition, plug-in unit, clamping unit, shaft connection unit etc. can also be set, as long as pcb board 102 can be fixed on to recess.
The most preferred mode of rete 103 is to cover by the mode of overlay film on the surface of pcb board 102 and lamp socket 101; In addition, rete 103 also can first moulding after, then fix by fixed cell.Fixed form can be the fixed form of various routines, for example: screw, screw, rivet, latch etc.
And the present embodiment pcb board also can be one-body molded with lamp socket 101, is set to an integral body.
Embodiment 4
As shown in Figure 5, on the basis of the various embodiments described above, in the LED street lamp of the present embodiment, lamp socket 103 can be set to a circular flat plate, be set to cover a rete on the lamp socket of circular flat plate, the LED light emitting diode of light from circular plate sends, and, to surrounding, shine out, light is more even.
Each is organized LED light emitting diode 501 and is evenly arranged on described lamp socket, for example, on circular plate 103, be provided with three groups of LED light emitting diodes, in every group of LED light emitting diode, include at least 1 red LED light emitting diode, at least 1 blue led light emitting diode and at least 1 green LED light emitting diode; Three groups of LED light emitting diodes are evenly arranged in circular plate 103, as arrange as three groups of LED light emitting diodes of equilateral triangle.That evenly arranges respectively organizes LED light emitting diode and can make the present embodiment LED street lamp Integral luminous even.
Implement 5
As shown in Figure 6, in embodiment 4, in each group LED light emitting diode 501, because the luminous efficiency of red light emitting diodes 601, green LED 602 and blue LED 603 increases gradually, be that red LED light emitting diode 601 luminous efficiencies are minimum, blue led light emitting diode 603 luminous efficiencies are the highest.In the present embodiment, red LED light emitting diode 601, green LED light emitting diode 602 are set to 3:2:1 with the quantity ratio of blue led light emitting diode 603, now the LED light-emitting diode luminous efficiency of three kinds of colors equates, in each group LED light emitting diode, comprise 601,4 green LED light emitting diodes 602 of 6 one red LED light emitting diodes and 2 blue LEDs 603, and each LED light-emitting diode arrangement diamondwise, as shown in Figure 5, now, the light intensity utilization rate of each LED light emitting diode is the highest, and display effect is best.
Embodiment 6
On embodiment 1 to 5 arbitrary basis, on described LED lamp socket, at least one fixture is also set, fixture is for fixing described LED street lamp, and usually, fixture is for being fixed on lamp stand by LED street lamp.
Fixture can be screw, latch, rivet, clamping part etc., as long as LED street lamp is fixed on lamp stand.
Embodiment 7
As shown in Figure 7, on embodiment 1 to 6 arbitrary basis, described LED street lamp also arranges a solar energy equipment 701, described solar energy equipment 701 comprises a solar panel and a battery, and solar panel is placed in the sun, for being electric energy by transform light energy, and be stored in battery, battery is for providing voltage to LED street lamp, and solar panel is connected with storage battery, and battery is electrically connected to LED street lamp.Solar energy equipment 701 is fixed on mobile jib 3 by pole 702, and pole 702 can interfix by various fixtures with mobile jib 3, for example, and screw, latch, rivet, clamping part etc.
The circuit that connects each LED street lamp or street lamp and solar energy equipment etc., can be hidden on each lamp stand, and for example lamp stand can arrange recess or the groove of a placement circuit, or an internal cavity etc. is set.
Embodiment 8
As shown in Figure 8, on embodiment 1 to 7 arbitrary basis, the present embodiment LED street lamp also comprises a lampshade 801, and the surface of described lampshade 801 also arranges an optical waveguide layer 802, or described lampshade arranges an optical waveguide layer, for evenly deriving light; Or described lampshade is an optical waveguide layer.
Optical waveguide layer 802 itself can leaded light, for example, the optical waveguide layer 802 that optical waveguide layer 802 can be made for acrylic plate material, the light sending from the LED light emitting diode of lampshade 801 interior settings, can after optical waveguide layer 802, evenly derive, optical waveguide layer 802 can make through the lip-deep distribution of light of lampshade 801 even, and uniform irradiation is on road surface.
Optical waveguide layer 802 can be arranged on the inner surface of lampshade 801 by the mode of overlay film or plated film, also can be arranged on the outer surface of lampshade 801, also on lampshade 801 inner surfaces and outer surface, one deck optical waveguide layer 802 is set respectively, and light will more evenly be derived like this.
Lampshade 801 can be implemented the effect that LED street lamp plays protection to this, for example, and the protective effects such as dustproof, waterproof, protection against electric shock.
In addition, lampshade 801 is upper outside except adopting the mode of fixed cell to be fixed on lamp socket 101, can also a fixed part 803 be set at lampshade 801, and described lamp socket 101 arranges corresponding fixed bit, lampshade 801 is fixedly connected with fixed bit by corresponding fixed part with lamp socket 101.
For example, an external screw thread is set on lampshade 801, an internal thread under concaving is set on lamp socket 101, lampshade 801 and lamp socket 101 are fixedly spirally connected by adaptive internal and external threads.
And for example, a latch is set on lampshade 801, corresponding pin hole is set on lamp socket 101, lampshade 801 is fixed and is pegged graft by latch and pin hole with lamp socket 101.
And for example, have the clamp being wholely set with lampshade on lampshade 801, a fixed bit corresponding with clamp is set on lamp socket 101, clamp embeds in lamp socket, and is fixed on fixed bit, to realize, lampshade is fixed on lamp socket 101.Or also buckle and draw-in groove can be set respectively at lampshade 801 with on lamp socket 101, lampshade 801 with lamp socket 101 by corresponding buckle and fixedly clamping of draw-in groove.
Embodiment 9
On embodiment 1 to 8 arbitrary basis, for the heat in LED street lamp is distributed in time, in order to avoid burn out the electronic devices and components in LED street lamp.On lamp socket 101, a heat abstractor can also be set, heat abstractor can be set to fin, heat sink, radiator fan etc., most preferably be fin, and fin can be one-body molded with lamp socket, can make like this heat abstractor have under good heat dispersion, it is minimum that the volume taking reaches.Correspond to the lamp socket of plane tabular, generally there is two sides and 1 above side, for example: be the lamp socket of circular plate, there is two sides and a side; And for example, lamp socket is a tetragonal plane plate, and lamp socket has two sides and four sides.
Heat abstractor can be arranged on lamp socket arbitrary side or side wherein, or on two sides or side wherein, or on a plurality of sides or side wherein.
Heat abstractor can also be one-body molded with lamp socket, as adopted fin and lamp socket to be set to an integral body.Can make like this present embodiment LED lamp post structure simpler, fin is combined more fastening with lamp socket.
In above-mentioned each example, described LED light emitting diode, can be OLED (Organiclight-emitting diode, Organic Light Emitting Diode), and the present invention does not make any additional limits to this.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (2)
1. a LED street lamp, comprises lamp stand and is fixed on the lamp body on described lamp stand, it is characterized in that,
Described lamp body comprises lamp socket and pcb board;
Described lamp socket is a plane plate, and described pcb board is fixed on described lamp socket;
Power line, holding wire, at least one group of LED light emitting diode and control module thereof are set on described pcb board; Each group LED light emitting diode comprises at least 1 red LED light emitting diode, at least 1 green LED light emitting diode and at least 1 blue led light emitting diode; The LED light emitting diode group of three kinds of colors, by control module independent control respectively, cooperatively interacts and sends white light; Multipair positive and negative electrode power circuit is set, and by wherein a pair of positive and negative electrode power circuit is as main power line, other positive and negative electrode power circuits are as stand-by power supply line;
In each group LED light emitting diode, red LED light emitting diode, green LED light emitting diode are 3:2:1 with the quantity ratio of blue led light emitting diode;
Described pcb board and described lamp socket arrange respectively a rete on the surface relative with LED light emitting diode, for reflection ray;
Described lamp socket is the combination of polylith metallic plate;
Described rete is a reflective metal film, and the mode by overlay film covers on the surface of pcb board and lamp socket; And, be evenly arranged on the surface of described pcb board and described lamp socket; One recess is set on described lamp socket, and described pcb board is fixed in described recess by fixed cell, and the size shape of described recess is according to the size shape setting of described pcb board, and forms a plane plate with described lamp socket;
Described LED street lamp also comprises a lampshade, and described lampshade arranges an optical waveguide layer, and for evenly deriving light, the mode by overlay film on lampshade inner surface and outer surface arranges respectively one deck optical waveguide layer;
On lamp socket two sides or side wherein, a heat abstractor is set, heat abstractor is also one-body molded with lamp socket;
One solar energy equipment being fixed on described lamp stand is also set, and described solar energy equipment comprises solar panel, battery and electric-controlled switch, by described power line, is connected to each control module;
Described lamp socket is a circular flat plate, and each is organized LED light emitting diode and is evenly arranged on described lamp socket;
In each group LED light emitting diode, each LED light-emitting diode arrangement becomes a rhombus.
2. LED street lamp according to claim 1, is characterized in that, at least one fixture is also set on described lamp socket, for described lamp body is fixed on to described lamp stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810226692.6A CN101446396B (en) | 2008-11-20 | 2008-11-20 | LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810226692.6A CN101446396B (en) | 2008-11-20 | 2008-11-20 | LED street lamp |
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| Publication Number | Publication Date |
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| CN101446396A CN101446396A (en) | 2009-06-03 |
| CN101446396B true CN101446396B (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810226692.6A Active CN101446396B (en) | 2008-11-20 | 2008-11-20 | LED street lamp |
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| CN (1) | CN101446396B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105650556A (en) * | 2014-12-02 | 2016-06-08 | 天津榛发科技有限责任公司 | Three-primary-color LED street lamp based on mesopic vision |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200979135Y (en) * | 2006-12-14 | 2007-11-21 | 王元成 | LED road lamp |
| CN200986145Y (en) * | 2006-07-07 | 2007-12-05 | 沈永福 | LED lamp reflecting plate |
| CN101105272A (en) * | 2007-02-12 | 2008-01-16 | 吴娟 | LED road lamp and its lens |
| CN201322220Y (en) * | 2008-11-20 | 2009-10-07 | 北京巨数数字技术开发有限公司 | Light emitting diode (LED) street lamp |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196276A (en) * | 2007-09-21 | 2008-06-11 | 广州市雅江光电设备有限公司 | Program controlled mixed color LED light projector |
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2008
- 2008-11-20 CN CN200810226692.6A patent/CN101446396B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986145Y (en) * | 2006-07-07 | 2007-12-05 | 沈永福 | LED lamp reflecting plate |
| CN200979135Y (en) * | 2006-12-14 | 2007-11-21 | 王元成 | LED road lamp |
| CN101105272A (en) * | 2007-02-12 | 2008-01-16 | 吴娟 | LED road lamp and its lens |
| CN201322220Y (en) * | 2008-11-20 | 2009-10-07 | 北京巨数数字技术开发有限公司 | Light emitting diode (LED) street lamp |
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| CN101446396A (en) | 2009-06-03 |
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Address after: 100102 B1603, 2 South Central Road, Wangjing, Chaoyang District, Beijing. Patentee after: Beijing Guangyu Galaxy Technology Co., Ltd. Address before: 100102 501, room 5, No. 2, South Central Road, Wangjing, Chaoyang District, Beijing. Patentee before: BEIJING GUANGYU JINYE ENERGY SAVING SCIENCE & TECHNOLOGY CO., LTD. |
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