CN209213542U - A kind of LED light - Google Patents
A kind of LED light Download PDFInfo
- Publication number
- CN209213542U CN209213542U CN201822268781.9U CN201822268781U CN209213542U CN 209213542 U CN209213542 U CN 209213542U CN 201822268781 U CN201822268781 U CN 201822268781U CN 209213542 U CN209213542 U CN 209213542U
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- CN
- China
- Prior art keywords
- led light
- heat conducting
- conducting pipe
- circuit board
- flexible 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
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Abstract
The utility model provides a kind of LED light, it includes heat conducting pipe, LED light bar and flexible circuit board, the flexible circuit board is bent to form the channel for positioning the heat conducting pipe, and the heat conducting pipe protrudes into the channel, and the outer ledge of the heat conducting pipe is fixedly connected with the flexible circuit board；The LED light bar is embedded on the side of the flexible circuit board, and the heat conducting pipe and the LED light bar are positioned opposite, and the LED light bar is sticked and is fixed on the heat conducting pipe；The LED light bar is electrically connected with the flexible circuit board.The overall structure thickness of the LED light is lower, so illuminating effect and heat-conducting effect are all more preferable, structure is simple, radiates faster, and production cost is low.
Description
Technical field
The utility model relates to technical field of lamps more particularly to a kind of LED light.
Background technique
LED is the abbreviation of English light emitting diode (light emitting diode), its basic structure is one block of electricity
Then the chip of semiconductor material of photoluminescence connects chip and electricity with silver wire or gold thread on elargol or latex solidified to bracket
Road plate, then surrounding is sealed with epoxy resin, is played the role of protecting internal core, is finally installed shell, so LED light is anti-
Shock stability is good.LED light is related to two aspects of the daily household electrical appliances such as mobile phone, desk lamp, household electrical appliances and machinery production with field.Mesh
Before, it is contemplated that the heat dissipation and brightness of illumination problem of LED light, in order to improve the performance of these two aspects, it will usually change to LED light
Into traditional improvement project is first to be bonded circuit board respectively on two surfaces of heat conducting pipe, then be connected and fixed LED on circuit boards
Lamp bar (substrate comprising lamp bead and control circuit), has been separated by double-layer structure as a result, will lead to heat dissipation between lamp bead and heat conducting pipe
Effect is poor, and integrally-built thickness is larger, in the case that thickness is big, the overlapping place of the LED lamp bead illumination of two sides
Can occur lighting blind zone because there is partial occlusion, at least illumination brightness can reduce, and illumination focal length can be made inadequate, whole to tie
The heat-conducting effect of structure is slower.
Utility model content
Based on above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of LED light, the LED lamp
Overall structure thickness is lower, so illuminating effect and heat-conducting effect are all more preferable, structure is simple, radiates faster, and production cost is low.
Based on this, the technical solution of the utility model are as follows: a kind of LED light comprising heat conducting pipe, LED light bar and flexible electrical
Road plate, the flexible circuit board are bent to form the channel for positioning the heat conducting pipe, and the heat conducting pipe protrudes into the channel, and
The outer ledge of the heat conducting pipe is fixedly connected with the flexible circuit board；
The LED light bar is embedded on the side of the flexible circuit board, heat conducting pipe cloth opposite with the LED light bar
It sets, and the LED light bar is sticked and is fixed on the heat conducting pipe；
The LED light bar is electrically connected with the flexible circuit board.
Optionally, the flexible circuit board includes that two pieces of mainboards positioned opposite and two pieces are enclosed respectively on the mainboard
The supporting plate of two sides relative to each other, forms the channel between two pieces of supporting plates and two pieces of mainboards, and the of the supporting plate
One end from the first end of the mainboard stretch out, the LED light bar be embedded at two pieces of mainboards it is one of on, it is described
The inner surface of supporting plate is fixedly connected with the outer ledge of the heat conducting pipe.
Optionally, the inner surface of the supporting plate is the concave surface matched with the outer ledge of the heat conducting pipe, the LED light
Item includes control circuit board and the lamp bead that is electrically connected in the control circuit board, the control circuit board and the flexible circuit
Plate electrical connection, the lamp bead fitting are fixed on the heat conducting pipe.
Optionally, the LED light bar is welded to each other with the heat conducting pipe.
Optionally, the second end flush of the second end of the supporting plate and the mainboard, the LED light bar are located at institute
State at the center of mainboard, the first end of the heat conducting pipe be inserted into the channel from the first end of the supporting plate and with it is described
The second end flush of supporting plate, the second end of the heat conducting pipe are fixedly installed with fan.
Optionally, the LED light further includes the first radiating shell and the second radiating shell, first radiating shell and institute
It states the second radiating shell to be mutually fastened and connected, and is formed between first radiating shell and second radiating shell free
Chamber, the flexible circuit board setting is in the cavity.
Optionally, the outer sheath of the heat conducting pipe is equipped with fastener, and the flexible circuit board is located in the fastener, institute
It states the first radiating shell and second radiating shell is mutually clamped with the fastener respectively.
Optionally, light tank is respectively arranged on first radiating shell and second radiating shell.
Optionally, the LED light further includes firm banking, and the peace matched with the fan is equipped in the firm banking
Position is filled, the fan is set in the installation position, and the firm banking is connected in first radiating shell and described second
The bottom of radiating shell, and the firm banking compresses the fan and by first radiating shell and second radiation shell
Body is fixed.
Optionally, the flexible circuit board with a thickness of 0.1mm.
Implement the utility model embodiment, has the following beneficial effects:
The utility model includes heat conducting pipe, LED light bar and flexible circuit board, and the flexible circuit board has been bent to form fixed
The channel of the position heat conducting pipe, the heat conducting pipe protrude into the channel, and the outer ledge of the heat conducting pipe and the flexibility
Circuit board is fixedly connected, and the LED light bar is embedded on the side of the flexible circuit board, the heat conducting pipe and the LED light
Item is positioned opposite, and the LED light bar is sticked and is fixed on the heat conducting pipe, the LED light bar and flexible circuit board electricity
Connection.Carry out as a result, to the LED light in use, LED light bar is directly completely bonded with heat conducting pipe, and LED light bar also with it is soft
Property circuit board electrical connection, thus effectively realize the LED light thermoelectricity separation, guarantee that the LED light can pass through flexible circuit board
Power supply, and it is thermally conductive by heat conducting pipe, flexible circuit board is connected on the outer ledge of heat conducting pipe, can further be reduced
Thickness between LED light bar and heat conducting pipe improves thermally conductive effect, and can be avoided the illumination brightness for reducing LED light.
Detailed description of the invention
Fig. 1 is the overall structure diagram of LED light described in the utility model.
Description of symbols:
1, heat conducting pipe, 2, LED light bar, 3, flexible circuit board, 31, mainboard, 32, supporting plate, 321, the first end of supporting plate,
322, the second end of supporting plate, 4, channel, 5, fan, the 6, first radiating shell, the 7, second radiating shell, 8, cavity, 9, buckle
Part, 10, light tank, 11, firm banking, 111, installation position, 12, pinboard, 13, electric wire.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that the orientation of the instructions such as term " on ", "lower", "left", "right"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
Referring to Fig. 1, LED light described in this preferred embodiment it include heat conducting pipe 1, LED light bar 2 and flexible circuit board 3, institute
It states flexible circuit board 3 and is bent to form the channel 4 for positioning the heat conducting pipe, the heat conducting pipe 1 protrudes into the channel 4, and institute
The outer ledge for stating heat conducting pipe 1 is fixedly connected with the flexible circuit board 3；The LED light bar 2 is embedded at the flexible circuit board
On 3 side, the heat conducting pipe 1 and the LED light bar 2 are positioned opposite, and the LED light bar 2 be sticked be fixed on it is described thermally conductive
On pipe 1；The LED light bar 2 is electrically connected with the flexible circuit board 3.
Based on the above structure, which is being carried out in use, bending flexible circuit board 3 forms channel 4 with can be right
Heat conducting pipe 1 is wrapped up, and channel 4 includes two sides relative to each other, and heat conducting pipe 1 is protruded between two sides, and
LED light bar 2 is then embedded on any one side, positioned opposite with heat conducting pipe 1, and LED light bar 2 and flexible circuit board 3 is electric
Connection enables LED light bar 2 to work normally to guarantee power supply to LED light bar 2, then by flexible circuit board 3 and heat conducting pipe 1
To outer ledge be fixedly connected, and LED light bar 2 is bonded completely with heat conducting pipe 1 and is fixedly connected, thus, it is possible to realize LED light
Electric heating separation during real work, is carried out effective thermally conductive by heat conducting pipe 1, and flexible circuit board 3 is mainly used for supplying
Electricity, flexible circuit board 3 are that have height reliability and excellent flexible by one kind made of substrate of polyimides or polyester film
The printed circuit board of property, the more convenient control of shape and thickness of the flexible circuit board 3 are effectively changed using flexible circuit board 3
Connection relationship between kind heat conducting pipe 1 and LED light bar 2, avoid passing through by the way of circuit board transition by LED light bar 2 with lead
Heat pipe 1 is connected with each other, and improves the heat dissipation effect of entire LED lamp structure, LED light bar 2 is directly connected to heat conducting pipe 1, therebetween
Thickness it is smaller, avoid it is traditional positioned at the LED light bar 2 of 1 two sides of heat conducting pipe show up it is mutually overlapping generate lighting blind zone, to have
The illumination brightness of the raising of the effect LED light, and improve its heat transfer efficiency.In the present embodiment, the thickness of flexible circuit board 3 is taken as
0.1mm, thickness is very small, and structure is light, and the cost of production and processing is low, and it is corresponding it is thermally conductive, heat dissipation effect is reliable.
Wherein, flexible circuit board 3 includes that two pieces of mainboards 31 positioned opposite and two pieces enclose on mainboard 31 each other respectively
The supporting plate 32 of opposite two sides, forms channel 4 between two pieces of supporting plates 32 and two pieces of mainboards 31, the first end 321 of supporting plate is from master
The first end of plate 31 stretches out, and mainly as the outline border of flexible circuit board 3, LED light bar 2 is embedded at two pieces of mainboards 31 wherein
On one piece, the inner surface of supporting plate 32 is fixedly connected with the outer ledge of heat conducting pipe 1, and the electrical connection of the LED light is from two pieces of supporting plates
It is realized on 31, is achieved in side cabling, made so as to concede middle position completely, it will be between lamp bead and flexible circuit board 3
Electrical connection separated with the thermally conductive work of heat conducting pipe 1, guarantee reliable electric heating mask work.The inner surface of supporting plate 32 be with
The concave surface that the outer ledge of heat conducting pipe 1 matches, the stability for the connection that can be realized；LED light bar 2 includes control circuit board
22 and the lamp bead 21 that is electrically connected in control circuit board 22, control circuit board 22 be electrically connected with flexible circuit board 3, the fitting of lamp bead 21
It being fixed on the side of heat conducting pipe 1, the lamp bead 21 of the LED light is led to control circuit board 22 and is electrically connected with the realization of flexible circuit board 3, from
And powered, and the evacuation of its heat is then directly transmitted by its own with being bonded completely for heat conducting pipe 1 come heat conductive pipes 1,
In the present embodiment, being fixedly connected between LED light bar 2 and mainboard 31, which can be, is directly embedded on mainboard 31, and can be
It directly is fixedly connected on the inner surface of mainboard 31, as long as can guarantee that lamp bead 21 can be bonded with the complete of heat conducting pipe 1,
Both structures can effectively reduce the thickness being separated by between lamp bead 21 and heat conducting pipe 1, avoid using traditional lamp bead 21
Be mounted in control circuit board 22, control circuit board 22 is connect with heat conducting pipe 1 by corresponding circuit board again, prevent lamp bead 21 and
It is separated by between heat conducting pipe 1 two layers, reduces the thickness between heat conducting pipe 1 and lamp bead 21 to improve heat-conducting effect, flexible circuit board 3
Two pieces of mainboards 31 and two pieces of supporting plates 32 are integrated machine-shaping, effective to simplify whole structure, facilitate production and manufacture.
It should be noted that in the present embodiment, LED light bar 2 is to be welded to each other with heat conducting pipe 1, i.e. control circuit board 22
It is to be welded to each other or LED lamp bead 21 and heat conducting pipe 1 is are welded to each other with heat conducting pipe 1, so as to reliably guarantee LED light
Connection between item 2 and heat conducting pipe 1 improves the quality of product, but in other embodiments, LED light bar 2 and heat conducting pipe 1 it
Between connection type do not limited by the present embodiment, when can suitably be selected according to actual needs.
Further, the second end flush of the second end 322 of supporting plate and mainboard 31, guarantees the aesthetics of shape,
LED light bar 2 is located at the center of mainboard 31, to facilitate the positioning realized to LED light bar 2, and facilitates and guarantees LED light bar 2
Electrical connection and thermally conductive connection, the first end of heat conducting pipe 1 are inserted into second in channel and with supporting plate from the first end 321 of supporting plate
322 flush of end, the second end of heat conducting pipe 1 are fixedly installed with fan 5., two pieces of mainboards 31 and two pieces of 32 energy of supporting plate as a result,
It is enough to wrap up heat conducting pipe 1, and being connected in structure between LED light bar 2 and heat conducting pipe 1 provides convenience, guarantees LED
Lamp bead 21 encloses the stability set in the channel 4 to be formed in flexible circuit board 3, and the fan 5 of the second end of heat conducting pipe 1 setting
The effect that then can further play heat dissipation, improves the radiating efficiency of whole device.
In addition, the LED light further includes the first radiating shell 6 and the second radiating shell 7, the first radiating shell 6 and second dissipates
Hot shell 7 is mutually fastened and connected, and cavity 8, heat conducting pipe 1, LED are formed between the first radiating shell 6 and the second radiating shell 7
Lamp bar 2 and two pieces of flexible circuit boards 3 are respectively arranged in cavity 8, and the first radiating shell 6 and the second radiating shell 7 can be mutual
Cooperation provides reliable protection jointly for heat conducting pipe 1, flexible circuit board 3 and 2 structure of LED light bar, prevents three due to the external world
Factor is damaged, and the first radiating shell 6 and the second radiating shell 7 can guarantee that the heat on heat conducting pipe 1 can be by certainly
Body structure scatters, and improves the reliability of heat dissipation；First radiating shell 6 and the second radiating shell 7 are locked by cheese head screw,
So that the first radiating shell 6 and 7 gold medal iron of the second radiating shell live heat conducting pipe 1, it is ensured that thermally conductive, heat dissipation work cooperation.Heat conducting pipe 1
Outer sheath be equipped with fastener 9, flexible circuit board 3 fixation fits on the outer wall of heat conducting pipe 1, and flexible circuit board 3 be located at card
In fastener 9, the first radiating shell 6 and the second radiating shell 7 are mutually clamped with fastener 9 respectively, which can block simultaneously
The first radiating shell 6 and the second radiating shell 7 are detained and tightly waled, guarantees the first radiating shell 6 and 7 energy of the second radiating shell
Enough it is close to heat conducting pipe 1, to facilitate the evacuation for carrying out heat.Fastener 9 passes through countersunk head screw on the outer wall of heat conducting pipe 1
It is effectively fixed, to guarantee that position of the fastener 9 on heat conducting pipe 1 is fixed.
As a preferred option, it is respectively arranged with light tank 10 on the first radiating shell 6 and the second radiating shell 7, avoided
Occur LED light bar 2 be arranged in occur when the two sides of heat conducting pipe 1 the phenomenon that influencing each other, the LED lamp bead 21 of the LED light is logical
It crosses control circuit board 22 to be electrically connected with two pieces of flexible circuit boards 3, a LED light bar 2 is located at the end position of heat conducting pipe 1
Place, after installing the first radiating shell 6 and the second radiating shell 7, the lamp bead 21 of LED light bar 2 can be incited somebody to action by light tank 10
Light transmitting guarantees to improve illumination brightness and focal length.The LED light further includes firm banking 11, is equipped in firm banking 11 and wind
The installation position 111 that fan 5 matches, fan 5 are set in installation position 111, and firm banking 11 is connected in 6 He of the first radiating shell
The bottom of second radiating shell 7, and firm banking 11 compresses fan 5 and consolidates the first radiating shell 6 and the second radiating shell 7
Fixed, positioned at the bottom of heat conducting pipe 1, and the fan 5 being set to inside the first radiating shell 6 and the second radiating shell 7 can be into one
Radiating efficiency of the raising of step to heat conducting pipe 1；And firm banking 11 is reliable by the first radiating shell 6 and the second radiating shell 7
The stability of three's structure is realized in connection, between heat conducting pipe 1, fan 5, flexible circuit and the LED light bar 2 inside guarantee
Structure arrangement is more compact, facilitates the reliability for improving entire LED light work.Firm banking 11 and the first radiating shell 6, second
Radiating shell 7 is fixedly connected by round end Philip's head screw respectively, improves the structural strength and stability of three's connection.
It in the present embodiment further include pinboard 12, which is set on the second end of heat conducting pipe 1, and is located at
It, can be by the weldering of flexible circuit board 3 when flexible circuit board 3 is fixed between the second end and fan 5 of heat conducting pipe 1
Point is transferred on pinboard 12, facilitates bonding wire outlet, while playing the role of positioning.The LED light passes through electric wire 13 for 5 He of fan
The two-part structure of pinboard 12 is attached with driver, to facilitate effective work of the LED light, is facilitated and is controlled.?
This is it should be noted that in this embodiment, the first radiating shell 6, the second radiating shell 7, firm banking 11 and fastener 9 are adopted
Be aluminum material structure, can be effectively reduced the quality of the LED light, and enable LED light have it is good conductive and
Thermally conductive performance, but in other embodiments, the first radiating shell 6, the second radiating shell 7, firm banking 11 and fastener 9
Material do not limited by the present embodiment, when can according to actual needs carry out suitably select.
The utility model include heat conducting pipe 1, LED light bar 2 and two pieces of flexible circuit boards 3 being arranged in parallel, it is described
The channel 4 for being inserted into for heat conducting pipe 1 is formed between two pieces of flexible circuit boards 3, the LED lamp bar 2, the heat conducting pipe 1 divide
It is not fixedly installed in the channel 4, the LED light bar 2 is electrically connected with the flexible circuit board 3, two pieces of flexible circuits
Plate 3 is fixedly connected with the outer ledge of the heat conducting pipe 1, and the LED light bar 2 is fixedly connected with the heat conducting pipe 1.Exist as a result,
The LED light is carried out in use, LED light bar 2 is directly bonded with heat conducting pipe 1, and LED light bar 2 is also electrically connected with flexible circuit board 3
It connects, to effectively realize the thermoelectricity separation of the LED light, guarantees that the LED light can be powered by flexible circuit board 3, and pass through
Heat conducting pipe 1 is thermally conductive, flexible circuit board 3 is connected on the outer ledge of heat conducting pipe 1, can further reduce LED light bar 2 with
Thickness between heat conducting pipe 1 improves thermally conductive effect, and can be avoided the illumination brightness for reducing LED light.
It should be understood that various information are described in the utility model using term " first ", " second " etc., but these
Information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from this
In the case where utility model range, " first " information can also be referred to as " second " information, and similar, " second " information can also be with
Referred to as " first " information.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvement and deformations can also be made, these improve and become
Shape is also considered as the protection scope of the utility model.
Claims (10)
1. a kind of LED light, which is characterized in that including heat conducting pipe, LED light bar and flexible circuit board, the flexible circuit board bending
Be formed with the channel for positioning the heat conducting pipe, the heat conducting pipe protrudes into the channel, and the outer ledge of the heat conducting pipe with
The flexible circuit board is fixedly connected；
The LED light bar is embedded on the side of the flexible circuit board, and the heat conducting pipe and the LED light bar are positioned opposite,
And the LED light bar is sticked and is fixed on the heat conducting pipe；
The LED light bar is electrically connected with the flexible circuit board.
2. LED light according to claim 1, which is characterized in that the flexible circuit board includes two pieces of masters positioned opposite
Plate and two pieces enclose the supporting plate of two sides relative to each other on the mainboard respectively, two pieces of supporting plates and two pieces of mainboards it
Between form the channel, the first end of the supporting plate is stretched out from the first end of the mainboard, and the LED light bar is embedded at institute
State two pieces of mainboards it is one of on, the inner surface of the supporting plate is fixedly connected with the outer ledge of the heat conducting pipe.
3. LED light according to claim 2, which is characterized in that the inner surface of the supporting plate is outer with the heat conducting pipe
The concave surface that side edge matches, the LED light bar include control circuit board and the lamp bead that is electrically connected in the control circuit board,
The control circuit board is electrically connected with the flexible circuit board, and the lamp bead fitting is fixed on the heat conducting pipe.
4. LED light according to any one of claims 1 to 3, which is characterized in that the LED light bar and the heat conducting pipe phase
Mutually welding.
5. LED light according to claim 2 or 3, which is characterized in that the of the second end of the supporting plate and the mainboard
Two end flushes, the LED light bar are located at the center of the mainboard, and the first end of the heat conducting pipe is from the supporting plate
First end is inserted into the second end flush in the channel and with the supporting plate, the fixed peace of the second end of the heat conducting pipe
Equipped with fan.
6. LED light according to claim 5, which is characterized in that further include the first radiating shell and the second radiating shell, institute
It states the first radiating shell to be mutually fastened and connected with second radiating shell, and first radiating shell and second heat dissipation
Cavity is formed between shell, the flexible circuit board setting is in the cavity.
7. LED light according to claim 6, which is characterized in that the outer sheath of the heat conducting pipe is equipped with fastener, described soft
Property circuit board is located in the fastener, first radiating shell and second radiating shell respectively with the fastener phase
Mutually clamping.
8. LED light according to claim 7, which is characterized in that first radiating shell and second radiating shell
On be respectively arranged with light tank.
9. LED light according to claim 6, which is characterized in that further include firm banking, be equipped in the firm banking with
The installation position that the fan matches, the fan are set in the installation position, and the firm banking is connected in described first
The bottom of radiating shell and second radiating shell, and the firm banking compresses the fan and by first radiation shell
Body and second radiating shell are fixed.
10. LED light according to any one of claims 1 to 3, which is characterized in that the flexible circuit board with a thickness of
0.1mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268781.9U CN209213542U (en) | 2018-12-29 | 2018-12-29 | A kind of LED light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268781.9U CN209213542U (en) | 2018-12-29 | 2018-12-29 | A kind of LED light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209213542U true CN209213542U (en) | 2019-08-06 |
Family
ID=67466817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822268781.9U Expired - Fee Related CN209213542U (en) | 2018-12-29 | 2018-12-29 | A kind of LED light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209213542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538998A (en) * | 2018-12-29 | 2019-03-29 | 广州纽威光电科技有限公司 | A kind of LED light |
-
2018
- 2018-12-29 CN CN201822268781.9U patent/CN209213542U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538998A (en) * | 2018-12-29 | 2019-03-29 | 广州纽威光电科技有限公司 | A kind of LED light |
| CN109538998B (en) * | 2018-12-29 | 2024-02-06 | 广州纽威光电科技有限公司 | LED lamp |
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Granted publication date: 20190806 Termination date: 20211229 |