CN206723921U - Led lamp - Google Patents
Led lamp Download PDFInfo
- Publication number
- CN206723921U CN206723921U CN201720258960.7U CN201720258960U CN206723921U CN 206723921 U CN206723921 U CN 206723921U CN 201720258960 U CN201720258960 U CN 201720258960U CN 206723921 U CN206723921 U CN 206723921U
- Authority
- CN
- China
- Prior art keywords
- lamp
- lamp bead
- substrate
- led
- drive circuit
- 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
- 239000011324 bead Substances 0.000 claims abstract description 66
- 239000011049 pearl Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 43
- 238000009434 installation Methods 0.000 claims description 19
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 230000033228 biological regulation Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a kind of LED lamp, including：Lamp socket, front offer fixing groove；LED light bar, it is arranged in fixing groove, is provided with the first lamp bead string being connected in series to form by multiple first color temperature lamp pearls and the second lamp bead string being connected in series to form by multiple second color temperature lamp pearls；Lampshade, cover on lamp socket, and light-emitting window is relative with fixing groove；Driving power, including single-chip microcomputer, the first drive circuit being connected in series with single-chip microcomputer and the first lamp bead string, the second drive circuit for being connected in series with single-chip microcomputer and the second lamp bead string；Dimmer switch, electrically connected with driving power, for adjusting the luminosity of the first lamp bead string and the second lamp bead string.Effect：First colour temperature lamp bead, the second colour temperature lamp bead are each corresponding with drive circuit so that two kinds of light luminance regulations are each independent, therefore, the colour temperature of mixing light can be adjusted by freely adjusting two kinds of brightness, so that the brightness of light and colour temperature adapt to requirement.
Description
Technical field
LED lamp technical field is the utility model is related to, more particularly to a kind of LED lamp.
Background technology
Conventional incandescent power consumption is high, short life, under the nervous overall situation of global resources, is prohibited gradually by national governments
Only produce, substitute it therewith is electronic energy-saving lamp, many due to having used although electronic energy-saving lamp has energy-saving effect
The heavy metal element of hostile environment, the main trend of environmental protection is then run counter to, with the development of LED illumination technology, LED light source
It is increasingly becoming the only choosing of green illumination.Traditional LED lamp is when in use, it is impossible to preferably LED lamp bead is emitted beam
It is adjusted, so so that the mixing light that LED lamp irradiates can not adapt to irradiation demand.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art at least to some extent, there is provided a kind of LED
Tool.
To achieve the above object, according to the utility model proposes LED lamp,
Lamp socket, the lamp socket front offer fixing groove；
LED light bar, the LED light bar in the fixing groove, and in the LED light bar it is evenly spaced be placed with it is more
Individual first colour temperature lamp bead and multiple second colour temperature lamp beads, multiple first color temperature lamp pearls are connected in series to form the first lamp bead string, multiple
Second color temperature lamp pearl is connected in series to form the second lamp bead string；
Lampshade, the lampshade is on the lamp socket, and the light-emitting window on the lampshade is relative with the fixing groove；
Driving power, the driving power include single-chip microcomputer, the first drive circuit and the second drive circuit, and described first drives
Dynamic circuit is connected in series with the single-chip microcomputer and the first lamp bead respectively, second drive circuit respectively with the single-chip microcomputer and
Two lamp beads are connected in series；
Dimmer switch, the dimmer switch are electrically connected with the driving power, and control is sent for triggering the single-chip microcomputer
Instruction is to first drive circuit and the second drive circuit, to be distinguished by first drive circuit and the second drive circuit
Control the luminosity of the first lamp bead string and the second lamp bead string.
According to LED lamp provided by the utility model, using LED light bar as light source, its illuminating effect is more preferable, more supernumerary segment
Can, also, the first colour temperature lamp bead in LED light bar and the second colour temperature lamp bead are each corresponding with driving power and carry out light luminance
Regulation so that the bright regulation of light that the regulation for the light luminance that the first colour temperature lamp bead is sent and the second colour temperature lamp bead are sent
It is each independent, it does not interfere with each other, therefore, just can freely adjusts the luminosity of the first colour temperature lamp bead and the hair of the second colour temperature lamp bead
Brightness mixes the colour temperature of light to adjust so that colour temperature adjustable range is big, preferably adapts to requirement.
In addition, according to the LED lamp of the utility model above-described embodiment, there can also be technical characteristic additional as follows：
According in one embodiment of the present utility model, the dimmer switch is rotary switch.
According in one embodiment of the present utility model, the dimmer switch is button switch.
According in one embodiment of the present utility model, the lamp socket includes substrate and the two-phase in the substrate front side
To side plate, the substrate and two side plates form the fixing groove, and the LED light bar is located at the front of the substrate, and
Multiple fin are provided with the back side of the substrate is evenly spaced.
According in one embodiment of the present utility model, the quantity of the lamp socket is two, is all provided with each lamp socket
A LED light bar is equipped with, the position that two lamp sockets are corresponded on the lampshade offers the light-emitting window respectively.
According in one embodiment of the present utility model, the first lamp bead string and the second lamp bead in each LED light bar
String is electrically connected by wire and a conductive plug respectively, and one is provided with the driving power and is led with what the conductive plug was adapted
Electric terminal.
According in one embodiment of the present utility model, the lampshade includes offering the panel of the light-emitting window and is located at
The gear edge of the back side of panel, the edge ring of the panel is closed on around setting in the gear edge, and surrounds two light-emitting windows；Often
The both ends of the individual substrate offer screwed hole respectively, and two screwed holes are on same axial line, described to keep off along relative
The position of substrate both ends screwed hole is respectively equipped with installation through-hole, and the both ends of the substrate pass through one and the screwed hole respectively
Adaptation is bolted on the installation through-hole.
According in one embodiment of the present utility model, in addition to installation folder, the installation folder are screwed installation
Kept off in described along upper.
Brief description of the drawings
Fig. 1 is the utility model embodiment exploded view；
Fig. 2 is the utility model embodiment overall structure diagram；
Fig. 3 is the utility model embodiment holder structure schematic diagram.
Reference：
Lamp socket 10；
Fixing groove 100；
Substrate 110；
Bolt 1100；
Side plate 120；
Fin 130；
Conductive plug 140；
LED light bar 20；
First colour temperature lamp bead 200；
Second colour temperature lamp bead 210；
Lampshade 30；
Panel 300；
Light-emitting window 310；
Keep off along 320；
Dimmer switch 40；
Driving power 50；
Conducting terminal 500；
Installation folder 60.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation, based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " " axial direction ", " circumference ", " radial direction " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
The LED lamp of the utility model embodiment is described in detail with reference to the accompanying drawings.
As shown in Figure 1 to Figure 3, according to the LED lamp of the utility model embodiment, including lamp socket 10, LED light bar 20, lamp
Cover 30, dimmer switch 40 and driving power 50.
Specifically, the front of lamp socket 10 offers fixing groove 100, LED light bar 20 is in fixing groove 100, and LED light bar
It is evenly spaced on 20 to be placed with multiple first colour temperature lamp beads 200 and multiple second colour temperature lamp beads 210, multiple first colour temperature lamp beads
200 are connected in series to form the first lamp bead string, and multiple second colour temperature lamp beads 210 are connected in series to form the second lamp bead string.First colour temperature
The light that lamp bead 200 is sent can be white light, and it can be gold-tinted that the light that the second colour temperature lamp bead 210 is sent, which is,.
Lampshade 30 is covered on lamp socket 10, and the light-emitting window 310 on lampshade 30 is relative with fixing groove 100, so, LED
The light that lamp bead on bar 20 is sent can irradiate through light-emitting window 310 to be come.
Driving power 50 includes single-chip microcomputer, the first drive circuit and the second drive circuit, the first drive circuit respectively with list
Piece machine and the first lamp bead string are connected in series, and the second drive circuit is connected in series with single-chip microcomputer and the second lamp bead string respectively.
Dimmer switch 40 is electrically connected with driving power 50, and control instruction is sent to the first drive circuit for triggering single-chip microcomputer
And second drive circuit, to control the first lamp bead string and the second lamp bead string respectively by the first drive circuit and the second drive circuit
Luminosity.
In other words, the first drive circuit is used for the regulation for controlling the luminosity of the first colour temperature lamp bead 200, the second driving electricity
Road is used for the regulation for controlling the luminosity of the second colour temperature lamp bead 210, the luminosity of two distinct types of colour temperature lamp bead by
Respective drive circuit is adjusted, in this way, the regulation of two kinds of colour temperature lamp bead luminosity can carry out free regulation, does not do mutually
Disturb；So, after two kinds of colour temperature lamp bead luminosity being adjusted by dimmer switch 40, mixing the colour temperature of light can also occur
Change, often change the luminosity of one of which colour temperature lamp bead, change can also be corresponded to by mixing the colour temperature of light, in this way, just causing
It is larger to mix the colour temperature adjustable range of light, can preferably adapt to irradiation demand.
The LED lamp provided according to the utility model embodiment, is used as light source so that illuminating effect using LED light bar 20
It is good, more save, also, the first colour temperature lamp bead 200 in LED light bar 20 and the second colour temperature lamp bead 210 are each corresponding with drive
Dynamic circuit carries out the regulation of light luminance so that the first colour temperature lamp bead 200 bright regulation and the second colour temperature lamp bead 210 are bright
Regulation is each independent, does not interfere with each other, therefore, brightness that just can be by the first colour temperature lamp bead 200 of regulation and the second colour temperature lamp bead
210 brightness adjusts the colour temperature of mixing light so that it is big to mix the colour temperature adjustable range of light, preferably accord with mixing light
Close use demand.
Preferably, in the utility model one embodiment, dimmer switch 40 is rotary switch, is had on rotary switch more
Individual gear, such as one grade, two grades and three gears, the corresponding control instruction being stored in single-chip microcomputer of each gear, passes through gear
Switching to trigger control instruction, and then the first colour temperature lamp bead 200 and the luminosity of the second colour temperature lamp bead 210 are adjusted,
It is in this way, very convenient according to irradiation demand, the brightness of corresponding light regulating.
Preferably, in the utility model one embodiment, dimmer switch 40 can also be button switch, and button switch can
Think one or more, a multiple or button switch, equally also there are multiple gears；Each regulation of the gear to light
It is different.It is provided projectingly in addition, button switch is smaller than rotary switch, during design without as rotary switch, therefore,
Using button switch, enable to light fixture integrally more aesthetically pleasing, certainly, can be also adjusted using soft-touch control.
Preferably, in the utility model one embodiment, lamp socket 10 includes substrate 110 and on the front of substrate 110
Two relative side plates 120, substrate 110 and biside plate 120 form fixing groove 100, and LED lamp bars 20 are located at the front of substrate 110,
And multiple fin 130 are provided with the back side of substrate 110 is evenly spaced, namely for the substrate of mounted LED lamp bar 20
110 are wholely set with fin 130, and wherein substrate 110 can use copper material, and fin 130 can use aluminum alloy material,
Copper material has good thermal conductivity, therefore, it is possible to by the fin 130 of the heat transfer of LED light bar 20 to aluminum alloy material
On, and then be delivered in air and radiated, so so that the good heat dissipation effect of light fixture, the long-time for being advantageous to light fixture use.
Preferably, in the utility model one embodiment, the quantity of lamp socket 10 is two, is all provided with each lamp socket 10
A LED light bar 20 is equipped with, the position that two lamp sockets 10 are corresponded on lampshade 30 offers light-emitting window 310 respectively.By installing two
Lamp socket 10 and LED light bar 20, on the one hand, by increasing the quantity of LED lamp bars 20, light irradiation brightness is improved, on the other hand,
Also irradiation blind area can be reduced, increase range of exposures；Certainly, the particular number of lamp socket 10 and LED light bar 20 is according to being actually needed
Installed.
Preferably, in the utility model one embodiment, the first lamp bead string and the second lamp bead in each LED light bar 20
String electrically connected respectively by wire with a conductive plug 140, be provided with driving power 50 one be adapted with conductive plug lead
Electric terminal 500, when the grafting of conducting terminal 500 enters in conductive plug 140, LED light bar 20 just can be turned on, in this way, by leading
The grafting of electric terminal 500 and conductive plug 140 is powered, it is possible to increase using the security performance of LED lamp, meanwhile, during power-off, directly
Connect and extract conducting terminal 500 out of conductive plug 140, it is quite convenient.
Preferably, in the utility model one embodiment, lampshade 30 include offer light-emitting window 310 panel 300 and
Gear located at the back side of panel 300 is kept off along 320 and closes on the edge ring of panel 300 around setting, and surround two light-emitting windows along 320
310；The both ends of each substrate 110 offer screwed hole respectively, and two screwed holes are on same axial line, are kept off relative along 320
The position of the both ends screwed hole of substrate 110 is respectively equipped with installation through-hole, what the both ends of substrate 110 were adapted to by one with screwed hole respectively
Bolt 1100 is fixed on installation through-hole.
That is, gear has by along 320 installing spaces enclosed, that is to say around the gear set along 320 back side,
The receiving space surrounding is surrounded by keeping off along 320, is surrounded above by panel 300, bottom surface is opened wide, then, substrate 110 passes through bolt
1100 are arranged in the installing space, are installed on the LED light bar 20 on substrate 110 and the side of the light-emitting window 310 on panel 300
To relative, so that the light that LED light bar 20 is sent can shine out from light-emitting window 310, meanwhile, the bottom of installing space
Face is opened wide, so, the fin 130 at the back side of substrate 110 can be completely exposed in atmosphere, thus so that fin 130 dissipates
Thermal effect is more preferable.Also, in installation base plate 110, carried out by the bolt 1100 to match with the screwed hole at the both ends of substrate 110
Installation, enabling very firmly substrate 110 is installed in receiving space；In addition, when mounted, from bottom surface by substrate
110 are put into installing space, and further screwed hole is positioned with keeping off along the installation through-hole on 320, also allows for substrate
110 dismounting is very convenient.More specifically, the screwed hole at the both ends of substrate 110 is on same axial line, that is to say, that base
Plate 110 is actually that can be rotated using the axial line as rotary shaft, and accordingly, the irradiating angle of light is also just adjustable, and
Screwed hole for installation base plate 110 is located at the axial line, then, after substrate 110 rotates, the screwed hole of the both sides of substrate 110
Be still with keep off it is corresponding along the fixed via on 320, so, still can be with using the bolt 1100 being adapted with the screwed hole
Substrate 110 is fixedly mounted, therefore, is advantageous to use.And if the screwed hole at the both ends of substrate 110 is not in same axial line
On, then, after substrate 110 to be rotated to certain scheduling, two screwed holes of the both sides of substrate 110 at least one can not be with keeping off edge
Fixed via on 320 is corresponding, thus will also cause substrate 110 not install, this also means that, substrate 110 is can not
Rotate, accordingly, the irradiating angle of light is also just non-adjustable, in this way, being also just unfavorable for using.
Preferably, in the utility model one embodiment, in addition to installation folder 60, installation folder 60 are screwed peace
Loaded on gear along 320, so, enabling light fixture clamping is very easily arranged on the places such as sales counter, meanwhile, dismounting is also
It is very convenient, it is easy to carry out detachable maintaining after light fixture damages.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
Identical embodiment or example must be directed to by stating.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff can be carried out the different embodiments or example and the feature of different embodiments or example described in this specification
With reference to and combination.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content
Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (8)
- A kind of 1. LED lamp, it is characterised in that including：Lamp socket, the lamp socket front offer fixing groove；LED light bar, the LED light bar evenly spaced in the LED light bar are placed with multiple the in the fixing groove Color temperature lamp bead and multiple second colour temperature lamp beads, multiple first color temperature lamp pearls are connected in series to form the first lamp bead string, and multiple second Color temperature lamp pearl is connected in series to form the second lamp bead string；Lampshade, the lampshade is on the lamp socket, and the light-emitting window on the lampshade is relative with the fixing groove；Driving power, the driving power include single-chip microcomputer, the first drive circuit and the second drive circuit, the first driving electricity Road is connected in series with the single-chip microcomputer and the first lamp bead string respectively, second drive circuit respectively with the single-chip microcomputer and second Lamp bead string is connected in series；Dimmer switch, the dimmer switch are electrically connected with the driving power, and control instruction is sent for triggering the single-chip microcomputer To first drive circuit and the second drive circuit, to be controlled respectively by first drive circuit and the second drive circuit The luminosity of the first lamp bead string and the second lamp bead string.
- 2. LED lamp according to claim 1, it is characterised in that the dimmer switch is rotary switch.
- 3. LED lamp according to claim 1, it is characterised in that the dimmer switch is button switch.
- 4. LED lamp according to claim 1, it is characterised in that the lamp socket include substrate and located at the substrate just Two relative side plate on face, the substrate and two side plates form the fixing groove, and the LED light bar is located at the substrate Front, and multiple fin are provided with the back side of the substrate is evenly spaced.
- 5. LED lamp according to claim 4, it is characterised in that the quantity of the lamp socket is two, each lamp socket On be provided with a LED light bar, the position of corresponding two lamp sockets offers the light-emitting window respectively on the lampshade.
- 6. LED lamp according to claim 5, it is characterised in that the first lamp bead string in each LED light bar and the Two lamp bead strings are electrically connected by wire and a conductive plug respectively, and one is provided with the driving power and is mutually fitted with the conductive plug The conducting terminal matched somebody with somebody.
- 7. LED lamp according to claim 5, it is characterised in that the lampshade includes offering the face of the light-emitting window Plate and located at the gear edge of the back side of panel, the gear are surrounded described in two along closing on the edge ring of the panel around setting Light-emitting window；The both ends of each substrate offer screwed hole respectively, and two screwed holes are on same axial line, described Gear is respectively equipped with installation through-hole along the position of relatively described substrate both ends screwed hole, and the both ends of the substrate pass through one and institute respectively State being bolted on the installation through-hole for screwed hole adaptation.
- 8. LED lamp according to claim 7, it is characterised in that also consolidated including installation folder, the installation folder by screw Dingan County is kept off along upper loaded on described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720258960.7U CN206723921U (en) | 2017-03-16 | 2017-03-16 | Led lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720258960.7U CN206723921U (en) | 2017-03-16 | 2017-03-16 | Led lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206723921U true CN206723921U (en) | 2017-12-08 |
Family
ID=60502037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720258960.7U Expired - Fee Related CN206723921U (en) | 2017-03-16 | 2017-03-16 | Led lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206723921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115150990A (en) * | 2019-10-24 | 2022-10-04 | 深圳市冠科科技有限公司 | Double-color temperature lamp |
-
2017
- 2017-03-16 CN CN201720258960.7U patent/CN206723921U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115150990A (en) * | 2019-10-24 | 2022-10-04 | 深圳市冠科科技有限公司 | Double-color temperature lamp |
| CN115150990B (en) * | 2019-10-24 | 2025-08-08 | 深圳市冠科科技有限公司 | Dual color temperature lamps |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |