CN111473304A - L ED light source radiator integrated structure - Google Patents
L ED light source radiator integrated structure Download PDFInfo
- Publication number
- CN111473304A CN111473304A CN202010330157.6A CN202010330157A CN111473304A CN 111473304 A CN111473304 A CN 111473304A CN 202010330157 A CN202010330157 A CN 202010330157A CN 111473304 A CN111473304 A CN 111473304A
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- Prior art keywords
- fixedly connected
- mounting
- heat
- light source
- integrated structure
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
- F21V29/713—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/18—Latch-type fastening, e.g. with rotary action
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- 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)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an integrated structure of an L ED light source radiator, which comprises a mounting plate, a heat conducting plate, a plurality of radiating holes, a mounting knob, an adjusting device, a first connecting device and a second connecting device, wherein the mounting plate is clamped with the heat conducting plate, the plurality of radiating holes are symmetrically formed in the surface of the mounting plate, the mounting knob is rotatably connected to the surface of the mounting plate, the adjusting device is fixedly connected to the surface of the mounting knob, the first connecting device is symmetrically formed in the position, close to the radiating holes, of the surface of the mounting plate, the first connecting device is connected with the adjusting device in a sliding mode, the second connecting device is rotatably connected to the surface of the heat conducting plate and fixedly connected with the mounting knob, and the integrated structure of the L ED light source radiator is convenient to mount, good in radiating effect, simple in structure and high in practicability.
Description
Technical Field
The invention relates to the technical field of medical surgical equipment, in particular to an L ED light source and radiator integrated structure.
Background
Because the L ED light source can generate a large amount of heat while emitting light, if the heat cannot be dissipated effectively in time, the heat accumulated around the L ED light source will cause the light source to decay rapidly and the energy consumption to increase, thereby affecting the stability and the service life of the L ED lamp.
The existing light source radiator for L ED lamps is basically complicated in mounting and dismounting steps, the structure of the existing light source radiator is complicated, but the production cost of the product is too high, and therefore a L ED light source radiator integrated structure is provided.
Disclosure of Invention
The invention aims to provide an L ED light source and heat sink integrated structure to solve the problems in the background technology.
2. In order to achieve the purpose, the invention provides the following technical scheme that the L ED light source radiator integrated structure comprises a mounting plate, a heat conducting plate and radiating holes, wherein the mounting plate is clamped with the heat conducting plate;
the surface of the mounting plate is rotatably connected with the mounting knob;
the surface of the mounting knob is fixedly connected with the adjusting device;
the surface of the mounting plate is provided with a plurality of sliding grooves symmetrically positioned beside the heat dissipation holes, the surface of each sliding groove is connected with a first connecting device in a sliding manner, and the first connecting devices are fixedly connected with the adjusting devices;
and the surface of the heat conducting plate is rotatably connected with a second connecting device, and the second connecting device is fixedly connected with the mounting knob.
Preferably, adjusting device includes fixed block, connecting rod and activity post, the surperficial symmetry fixedly connected with fixed block of installation knob, the inside rotation of fixed block is connected with the connecting rod, the one end that the fixed block was kept away from to the connecting rod is rotated and is connected with the activity post, the lateral wall fixedly connected with stop device of activity post.
Preferably, the first connecting device comprises a spring, a push rod and a clamping block, the surface of the movable column is fixedly connected with the push rod at equal intervals, the surface of the push rod is fixedly connected with the clamping block, the surface of the clamping block is fixedly connected with the spring, and the spring is sleeved on the surface of the push rod.
Preferably, the surface of the movable column is symmetrically and fixedly connected with four clamping columns, the surface of the heat conducting plate is symmetrically provided with clamping grooves, and the clamping columns are connected with the clamping grooves in a sliding mode.
Preferably, the limiting device comprises a positioning column and a limiting groove, the side wall of the movable column is fixedly connected with the positioning column, and the surface of the connecting rod is provided with the limiting groove.
Preferably, the lower surface of the heat conducting plate is fixedly connected with a plurality of mounting blocks.
Preferably, it is a plurality of fixedly connected with heat dissipation layer between the installation piece, heat dissipation layer and heat-conducting plate fixed connection, heat dissipation layer and heat-conducting plate are formed by the integrative extrusion of aluminium alloy, and a plurality of through-holes have been seted up on heat dissipation layer surface.
Preferably, two lateral walls fixedly connected with stiles of mounting panel, the ventilation hole has been seted up on the surface of stile.
Preferably, the second connecting device comprises a connecting groove and a connecting ring, the connecting groove is formed in the surface of the heat conducting plate, the connecting ring is fixedly connected to the surface of the mounting knob, and the connecting ring and the mounting knob are rotatably connected with the connecting groove.
Preferably, the surface of the mounting plate is provided with a mounting hole, and the mounting knob is rotatably connected with the mounting hole.
Preferably, the side wall of the mounting plate is fixedly connected with a connecting hole.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat conducting plate is rotatably connected with the connecting ring and the mounting knob through the connecting groove, the mounting knob is firmly connected with the heat conducting plate in series, the clamping groove is slidably connected with the clamping column, the mounting knob passes through the mounting hole, the heat conducting plate is preliminarily positioned through two vertical edges, six push rods are aligned with six sliding grooves, the mounting knob is rotated, the angle between the movable column and the connecting rod is high, the movable column drives the push rods to move towards the direction of the sliding grooves, gradually, the push rods enter the sliding grooves and are slidably connected with the sliding grooves, the spring is extruded to generate elastic deformation, when the connecting rod and the movable column are ninety degrees, the spring just reaches the maximum elastic limit, the mounting knob is continuously rotated, the angle between the connecting rod and the movable column is changed again until the positioning column and the limiting groove are completely matched, and at the moment, the spring is in a compressed state, the push rod is still in the spout inside, and according to effort and reaction force's basic principle, the reaction force that the spring was compressed and is produced finally acts on the activity post for the installation knob can not rotate, and the heat-conducting plate combines together with the mounting panel, and during the dismantlement, only need the opposite direction rotate the knob can.
2. The surface of the mounting block is used for mounting L ED lamps, the surface and the side wall of the mounting plate are respectively provided with a through hole and a heat dissipation hole, so that heat dissipation and ventilation of L ED lamps are facilitated, the whole heat conduction plate with the through holes increases the contact area with air, and the heat dissipation effect is better.
Drawings
FIG. 1 is a schematic bottom view of the mounting plate of the present invention;
FIG. 2 is a schematic top view of the mounting plate of the present invention;
FIG. 3 is a schematic view of the adjusting device according to the present invention;
FIG. 4 is a schematic structural diagram of a first connecting device according to the present invention;
FIG. 5 is a schematic view of a second connecting device according to the present invention;
FIG. 6 is a schematic bottom view of the present invention;
FIG. 7 is a schematic diagram of the structure of the thermal conductive plate of the present invention;
FIG. 8 is a schematic view of the mounting plate structure of the present invention;
FIG. 9 is a schematic top view of the thermal conductive plate of the present invention;
FIG. 10 is a schematic view of a structure of a position limiting device according to the present invention; .
In the figure: 1. mounting a plate; 2. a heat conducting plate; 3. heat dissipation holes; 4. installing a knob; 5. an adjustment device; 6. a chute; 7. a first connecting means; 8. a fixed block; 9. a connecting rod; 10. a movable post; 11. a spring; 12. a push rod; 13. a clamping block; 14. clamping the column; 15. a card slot; 16. a positioning column; 17. mounting blocks; 18. a heat dissipation layer; 19. a through hole; 20. standing; 21. a vent hole; 22. a limiting groove; 23. connecting grooves; 24. a connecting ring; 25. a limiting device; 26. a second connecting means; 27. mounting holes; 28. and connecting the holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the invention provides an L ED light source radiator integrated structure, which comprises a mounting plate 1 and a heat conducting plate 2, wherein the mounting plate 1 is clamped with the heat conducting plate 2, and the invention further comprises heat dissipation holes 3, wherein a plurality of heat dissipation holes 3 are symmetrically formed on the surface of the mounting plate 1 for heat dissipation;
referring to fig. 2, the installation knob 4 is installed, and the installation knob 4 is rotatably connected to the surface of the installation plate 1, so that the installation knob 4 and the heat conducting plate 2 are connected in series to form a whole, and the structure is compact;
referring to fig. 3, the adjusting device 5 is fixedly connected to the surface of the mounting knob 4, and the movable column 10 can move towards the sliding chute 6 through the adjusting device 5;
referring to fig. 4, a first connecting device 7, a plurality of sliding grooves 6 are symmetrically formed on the surface of the mounting plate 1 beside the heat dissipation holes 3, the surface of each sliding groove 6 is connected with the first connecting device 7 in a sliding manner, the first connecting device 7 is fixedly connected with the adjusting device 5, the push rod 12 is driven by the movement of the movable column 10 to be connected with the sliding groove 6 in a sliding manner, and the mounting knob 4 is positioned by the counterforce generated by the compression of the spring 11 and matched with the positioning column 16 and the limiting groove 22 so as to position the heat conduction plate 2;
referring to fig. 5, the second connecting device 26 is rotatably connected to the surface of the heat conducting plate 2, and the second connecting device 26 is fixedly connected to the mounting knob 4.
Referring to fig. 3, the adjusting device 5 includes a fixed block 8, a connecting rod 9 and a movable post 10, the fixed block 8 is symmetrically and fixedly connected to the surface of the mounting knob 4, the connecting rod 9 is rotatably connected to the inside of the fixed block 8, one end of the connecting rod 9, which is far away from the fixed block 8, is rotatably connected to the movable post 10, a limiting device 25 is fixedly connected to the side wall of the movable post 10, the rotating angle between the connecting rod 9 and the movable post 10 is driven by the rotation of the mounting knob 4, and the push rod 12 is driven to move towards the direction of the chute 6.
Referring to fig. 4, the first connecting device 7 includes a spring 11, a push rod 12 and a latch 13, the push rod 12 is fixedly connected to the surface of the movable column 10 at equal intervals, the latch 13 is fixedly connected to the surface of the push rod 12, the spring 11 is fixedly connected to the surface of the latch 13, and the spring 11 is sleeved on the surface of the push rod 12 to position the heat conducting plate 2.
The surface symmetry fixedly connected with card post 14 of activity post 10, and card post 14 has four, draw-in groove 15 has been seted up to heat-conducting plate 2 surface symmetry, card post 14 and draw-in groove 15 sliding connection are established ties activity post 10 and heat-conducting plate 2 together, form a whole.
Referring to fig. 10, the position limiting device 25 includes a positioning post 16 and a position limiting groove 22, the positioning post 16 is fixedly connected to the side wall of the movable post 10, the position limiting groove 22 is formed on the surface of the connecting rod 9, the angle between the movable post 10 and the push rod 12 is pushed to change by the reactive force generated by the compression of the spring 11, the position limiting groove 22 is combined with the positioning post 16, the angle change between the push rod 12 and the movable post 10 is prevented, and the push rod 12 is not separated from the sliding groove 6.
The lower surface of the heat conducting plate 2 is fixedly connected with a plurality of mounting blocks 17 which are originally used for L ED lamps.
It is a plurality of fixedly connected with heat dissipation layer 18 between the installation piece 17, heat dissipation layer 18 and heat-conducting plate 2 fixed connection, heat dissipation layer 18 and heat-conducting plate 2 are formed by the integrative extrusion of aluminium alloy, and a plurality of through-holes 19 have been seted up on heat dissipation layer 18 surface, are convenient for dispel the heat.
Two lateral wall fixedly connected with stiles 20 of mounting panel 1, ventilation hole 21 has been seted up on the surface of stile 20, can tentatively spacing to the installation of heat-conducting plate 2.
The second connecting device 26 comprises a connecting groove 23 and a connecting ring 24, the connecting groove 23 is formed in the surface of the heat conducting plate 2, the connecting ring 24 is fixedly connected to the surface of the mounting knob 4, and the connecting ring 24 and the mounting knob 4 are rotatably connected with the connecting groove 23 to connect the mounting knob 4 and the heat conducting plate 2 together.
Mounting hole 27 has been seted up on the surface of mounting panel 1, installation knob 4 rotates with mounting hole 27 to be connected, the installation and the dismantlement of installation knob 4 of being convenient for.
The side wall of the mounting plate 1 is fixedly connected with a connecting hole 28, so that the whole L ED lamp can be conveniently mounted.
The working principle is as follows: the heat conducting plate 2 is rotatably connected with the connecting ring 24 and the mounting knob 4 through the connecting groove 23, the mounting knob 4 and the heat conducting plate 2 are firmly connected in series, the clamping groove 15 is slidably connected with the clamping column 14, the mounting knob 4 passes through the mounting hole 27, the heat conducting plate 2 is preliminarily positioned through the two vertical edges 20, six push rods 12 are aligned with six sliding grooves 6, the mounting knob 4 is rotated, an angle between the movable column 10 and the connecting rod 9 is high, the movable column 10 drives the push rods 12 to move towards the direction of the sliding grooves 6, gradually, the push rods 12 enter the sliding grooves 6 and are slidably connected with the sliding grooves 6, the springs 11 are extruded to generate elastic deformation, when the connecting rod 9 and the movable column 10 are ninety degrees, the springs 11 just reach the maximum elastic limit, the mounting knob 4 continues to be rotated, the angle between the connecting rod 9 and the movable column 10 is changed again until the positioning column 16 and the limiting groove 22 are completely matched, at this moment, the spring 11 is still in a compressed state, the push rod 12 is still in the chute 6, and according to the basic principle of acting force and reaction force, the reaction force generated by the compression of the spring 11 finally acts on the movable column 10, so that the installation knob 4 cannot rotate, the heat conduction plate 2 and the installation plate 1 are combined together, and when the installation knob 4 is disassembled, only the installation knob 4 needs to be rotated in the opposite direction.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An L ED light source radiator integrated structure comprises a mounting plate (1) and a heat conducting plate (2), wherein the mounting plate (1) is clamped with the heat conducting plate (2), and the integrated structure is characterized by further comprising heat dissipation holes (3), and a plurality of heat dissipation holes (3) are symmetrically formed in the surface of the mounting plate (1);
the surface of the mounting plate (1) is rotatably connected with the mounting knob (4);
the surface of the mounting knob (4) is fixedly connected with the adjusting device (5);
the surface of the mounting plate (1) is provided with a plurality of sliding grooves (6) symmetrically beside the heat dissipation holes (3), the surface of each sliding groove (6) is connected with a first connecting device (7) in a sliding manner, and the first connecting devices (7) are fixedly connected with the adjusting devices (5);
the surface of the heat-conducting plate (2) is rotatably connected with a second connecting device (26), and the second connecting device (26) is fixedly connected with the mounting knob (4).
2. An L ED light source and heat sink integrated structure as claimed in claim 1, wherein the adjusting device (5) comprises a fixed block (8), a connecting rod (9) and a movable post (10), the fixed block (8) is symmetrically and fixedly connected to the surface of the mounting knob (4), the connecting rod (9) is rotatably connected to the inside of the fixed block (8), the movable post (10) is rotatably connected to one end of the connecting rod (9) far away from the fixed block (8), and a limiting device (25) is fixedly connected to the side wall of the movable post (10).
3. The L ED light source and heat sink integrated structure according to claim 1, wherein the first connecting device (7) comprises a spring (11), a push rod (12) and a clamping block (13), the push rod (12) is fixedly connected to the surface of the movable column (10) at equal intervals, the clamping block (13) is fixedly connected to the surface of the push rod (12), the spring (11) is fixedly connected to the surface of the clamping block (13), and the spring (11) is sleeved on the surface of the push rod (12).
4. The L ED light source and heat sink integrated structure as claimed in claim 2, wherein the movable posts (10) are symmetrically and fixedly connected with four clamping posts (14), the heat conducting plate (2) is symmetrically provided with clamping slots (15) on the surface, and the clamping posts (14) are slidably connected with the clamping slots (15).
5. The L ED light source and heat sink integrated structure as claimed in claim 1, wherein the limiting device (25) comprises a positioning column (16) and a limiting groove (22), the positioning column (16) is fixedly connected to a side wall of the movable column, and the limiting groove (22) is formed in the surface of the connecting rod (9).
6. The L ED light source and heat sink integrated structure as claimed in claim 1, wherein the heat-conducting plate (2) has a plurality of mounting blocks (17) fixedly connected to its lower surface.
7. The L ED light source and heat sink integrated structure as claimed in claim 6, wherein a heat dissipation layer (18) is fixedly connected between the mounting blocks (17), the heat dissipation layer (18) is fixedly connected with the heat conduction plate (2), the heat dissipation layer (18) and the heat conduction plate (2) are integrally extruded from aluminum profile, and a plurality of through holes (19) are formed in the surface of the heat dissipation layer (18).
8. An L ED light source and heat sink integrated structure as claimed in claim 1, wherein the two side walls of the mounting plate (1) are fixedly connected with vertical edges (20), and the surfaces of the vertical edges (20) are provided with ventilation holes (21).
9. The L ED light source and heat sink integrated structure as claimed in claim 1, wherein the second connecting means (26) comprises a connecting slot (23) and a connecting ring (24), the connecting slot (23) is formed on the surface of the heat conducting plate (2), the connecting ring (24) is fixedly connected to the surface of the mounting knob (4), and the connecting ring (24) and the mounting knob (4) are rotatably connected to the connecting slot (23).
10. The L ED light source and heat sink integrated structure as claimed in claim 1, wherein the mounting plate (1) is provided with mounting holes (27) on the surface thereof, the mounting knob (4) is rotatably connected with the mounting holes (27), and the side wall of the mounting plate (1) is fixedly connected with the connecting holes (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330157.6A CN111473304B (en) | 2020-04-24 | 2020-04-24 | LED light source radiator integrated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330157.6A CN111473304B (en) | 2020-04-24 | 2020-04-24 | LED light source radiator integrated structure |
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| Publication Number | Publication Date |
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| CN111473304A true CN111473304A (en) | 2020-07-31 |
| CN111473304B CN111473304B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010330157.6A Active CN111473304B (en) | 2020-04-24 | 2020-04-24 | LED light source radiator integrated structure |
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| Country | Link |
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| CN (1) | CN111473304B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981345A (en) * | 2020-08-22 | 2020-11-24 | 深圳市赛时达光电科技有限公司 | LED lamp backlight module convenient to installation |
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| CN210118673U (en) * | 2019-07-25 | 2020-02-28 | 浙江三乐照明有限公司 | Mining flame-proof type LED projecting lamp |
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| WO2013139317A1 (en) * | 2012-03-21 | 2013-09-26 | Bjb Gmbh & Co. Kg | Lamp holder for receiving a lamp |
| CN206501148U (en) * | 2017-01-18 | 2017-09-19 | 浙江戴氏印刷机械有限公司 | A kind of office paper cutter |
| CN206669677U (en) * | 2017-04-28 | 2017-11-24 | 佛山市星光源照明科技有限公司 | Lamp cooling structure |
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| CN208365441U (en) * | 2018-01-18 | 2019-01-11 | 东莞品厚光电有限公司 | A kind of aviation light guide plate based on 3D printing technique |
| CN207945584U (en) * | 2018-04-02 | 2018-10-09 | 广州华商职业学院 | A kind of LED ceiling lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111981345A (en) * | 2020-08-22 | 2020-11-24 | 深圳市赛时达光电科技有限公司 | LED lamp backlight module convenient to installation |
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| Publication number | Publication date |
|---|---|
| CN111473304B (en) | 2022-07-08 |
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