CN109058817A - A kind of ultra-thin LED flat panel lamp - Google Patents
A kind of ultra-thin LED flat panel lamp Download PDFInfo
- Publication number
- CN109058817A CN109058817A CN201810791216.2A CN201810791216A CN109058817A CN 109058817 A CN109058817 A CN 109058817A CN 201810791216 A CN201810791216 A CN 201810791216A CN 109058817 A CN109058817 A CN 109058817A
- Authority
- CN
- China
- Prior art keywords
- plate
- upper plate
- light guide
- hole
- ultra
- 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.)
- Withdrawn
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
- F21V17/12—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 screwing
-
- 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
- F21V17/164—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 the parts being subjected to bending, e.g. snap joints
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V7/00—Reflectors for light sources
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of ultra-thin LED flat panel lamps, including upper plate, run through at the top of the upper plate and offers convex bolt hole, reflector is placed with inside the upper plate, and it is closely affixed at the top of the reflector with the upper plate inside top surface, the reflector bottom, which is in close contact, is equipped with light guide plate, strip groove is offered at the top of the light guide plate, the strip groove both ends offer wiring groove, LED pieces are installed in the strip groove, four wall of light guide plate side symmetrically offers circular hole clipping hole, and the circular hole clipping hole is located at the light guide plate quadrangle, structure is simple, it is easy for installation, frivolous dexterity, it is structurally reasonable, light is soft uniformly, light source can efficiently be utilized, luminous energy is avoided to waste, LED pieces can be convenient for changing, it can facilitate and be connect with ceiling, and the bolt connected is not take up space, it can The pressure to lower cover plate is reduced, the space that divergence of beam can be made to irradiate is more, is with a wide range of applications.
Description
Technical field
The present invention relates to technical field of lighting fixtures, specially a kind of ultra-thin LED flat panel lamp.
Background technique
LED flat lamp be it is a kind of obtain fast-developing light in recent years, with it is energy-efficient, environmentally protective,
Soft uniform, the easy for installation, good appearance of light, mercury-free, without infrared ray and ultraviolet light, without electromagnetic interference, without fuel factor, without spoke
Penetrate, without stroboscopic phenomenon the advantages that, in order to obtain homogeneous soft, not dazzling light and the volume for reducing LED flat lamp to the greatest extent
Thickness, existing LED flat lamp mostly use light source side to set mode greatly, are converted into the point light that LED light source issues using light guide plate
Face light needs to save suitable for hotel, meeting room, factory or office, commercial use, house or communal facility, school, hospital
The place of energy and the illumination of high-color rendering index.
And existing LED flat lamp, some device thickness are larger, it is not applicable to be mounted on the lower house type of ceiling, some
The pressure effect of device light guide plate on the cover board, is easy to fall off cover board, some device light-dispersing effects are inadequate, make range of exposures not
Enough broadnesses, some devices can not replace LED light, be unfavorable for the saving of resource, some devices are inconvenient to split, and need professional people
Member's operation is unfavorable for user and replaces LED light, is much unable to satisfy requirement of the current people to the product in this way.
So how to design a kind of ultra-thin LED flat panel lamp, becoming us will currently be solved the problems, such as.
Summary of the invention
The purpose of the present invention is to provide a kind of ultra-thin LED flat panel lamps, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of ultra-thin LED flat panel lamp, including upper plate, institute
It states at the top of upper plate through convex bolt hole is offered, reflector is placed with inside the upper plate, and at the top of the reflector
It is closely affixed with the upper plate inside top surface, the reflector bottom, which is in close contact, is equipped with light guide plate, at the top of the light guide plate
Strip groove is offered, the strip groove both ends offer wiring groove, and LED pieces, the light guide plate are installed in the strip groove
Four wall of side symmetrically offers circular hole clipping hole, and the circular hole clipping hole is located at the light guide plate quadrangle, in the circular hole clipping hole
Portion is connected with elastic pin, and for the elasticity pin through the upper plate side wall is fixedly mounted on, the light guide plate bottom is close
Contact is equipped with astigmatism plate, and the upper plate side-wall outer side offers card slot, and the card slot is connected with fixture block, and the fixture block is fixed to be connected
It is connected to lower cover plate, and the fixture block is located at the lower cover plate interior, lower cover plate bottom plate center is inlaid with transparent glass.
Further, at the top of the upper plate one jiao run through jointly with one jiao of reflector and offer threading hole, and described wear
String holes is located at right above wiring groove.
Further, the elastic pin includes cylinder, and the cylinder left end is fixedly connected with sealing plate, the sealing plate center
Pin hole is offered, pin rod is set in the pin hole, the pin rod right end is connected with traction rope, and the traction rope is through described
Cylinder right wall, the pin rod outer wall is fixedly connected with limit plate, and the limit plate is located on the right side of sealing plate, the limit plate and circle
Spring is connected between cylinder right wall, and the spring pocket is on the outside of the pin rod.
Further, the strip groove is equidistantly positioned, and the thickness of the LED pieces is equal to or less than the strip groove
Height, the wiring groove is connected to the strip groove.
Further, the astigmatism plate bottom and the upper plate sidewall bottom are located in same level, described transparent
Top surface of glass and bottom surface are set to plane and concave surface, and the astigmatism plate bottom surface closely contradicts at the top of the transparent glass.
Further, the convex bolt hole base diameter is greater than nuts diameter, and convex bolt hole bottom is high
Degree is greater than nuts thickness.
Compared with prior art, the beneficial effects of the present invention are: this kind of ultra-thin LED flat panel lamp, structure is simple, installation side
Just, frivolous dexterity, structurally reasonable, light is soft uniformly, can efficiently utilize light source, avoid luminous energy from wasting, can be convenient for changing
LED pieces can facilitate and connect with ceiling, and the bolt connected is not take up space, can reduce the pressure to lower cover plate,
The space that divergence of beam can be made to irradiate is more, and by being provided with reflector, the light that can dissipate upwards light guide plate is downward
Reflection, makes full use of luminous energy, avoids unnecessary energy waste, by being provided with light guide plate, LED pieces can be made to emit straight
Penetrating light becomes soft uniform, is installed in strip groove by LED pieces and is provided with wiring groove, can facilitate LED pieces
Replacement avoids replacement whole, reduces fund waste, by being provided with convex bolt hole, the device can be facilitated to be fixedly connected on
On ceiling, and it can be avoided nuts occupied space, it, can be by light guide plate and upper plate card by being provided with elastic pin
It connects, light guide plate is avoided to mitigate the load of lower cover plate to the pressure of lower cover plate, set by being provided with astigmatism plate with transparent glass bottom surface
It is set to concave surface, the range of irradiation can be spread, so this kind of ultra-thin LED flat panel lamp has wide application market.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with tool of the invention
Body embodiment is used to explain the present invention together, is not construed as limiting the invention.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is light guide plate schematic perspective view of the invention；
Fig. 3 is elastic pin deployed configuration schematic diagram of the invention；
Figure label: 1, upper plate；2, convex bolt hole；3, reflector；4, light guide plate；5, strip groove；6, wiring groove；7,LED
Lamp piece；8, circular hole clipping hole；9, elastic pin；10, astigmatism plate；11, card slot；12, fixture block；13, lower cover plate；14, transparent glass；
15, threading hole；16, cylinder；17, sealing plate；18, pin hole；19, pin rod；20, traction rope；21, limit plate；22, spring.
Specific embodiment
The present invention is further illustrated With reference to embodiment, wherein attached drawing only for illustration,
What is indicated is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent, tool in order to better illustrate the present invention
Body embodiment, the certain components of attached drawing have omission, zoom in or out, and the size of actual product are not represented, to this field skill
For art personnel, the omitting of some known structures and their instructions in the attached drawings are understandable, based on specific in the present invention
Embodiment, every other specific implementation obtained by those of ordinary skill in the art without making creative efforts
Mode shall fall within the protection scope of the present invention.
Fig. 1-Fig. 3 is please referred to, the present invention provides a kind of a kind of ultra-thin LED flat panel lamp of technical solution, including upper plate 1, institute
It states at the top of upper plate 1 through convex bolt hole 2 is offered, fixed between the device and ceiling, the upper plate 1 can be facilitated
Inside is placed with reflector 3, and 3 top of the reflector is closely affixed with 1 inside top surface of upper plate, can efficiently be utilized
Light source avoids luminous energy from wasting, and 3 bottom of reflector, which is in close contact, is equipped with light guide plate 4, and the light of direct projection can be made to become soft
Uniformly, strip groove 5 is offered at the top of the light guide plate 4,5 both ends of strip groove offer wiring groove 6, in the strip groove 5
LED pieces 7 are installed with, described 7 the space occupied of LED pieces is reduced, 4 side of light guide plate, four wall symmetrically offers circle
Card hole 8, and the circular hole clipping hole 8 is located at 4 four jiaos of the light guide plate, is connected with elastic pin 9, institute inside the circular hole clipping hole 8
Elastic pin 9 is stated through 1 side wall of upper plate is fixedly mounted on, can facilitate and take out the light guide plate 4, is conducive to replace institute
LED pieces 7 are stated, 4 bottom of light guide plate, which is in close contact, is equipped with astigmatism plate 10, can expand irradiation space, 1 side of upper plate
Card slot 11 is offered on the outside of wall, the card slot 11 is connected with fixture block 12, and the fixture block 12 is fixedly connected with lower cover plate 13, and described
Fixture block 12 is located at 13 interior of lower cover plate, can be convenient fractionation, and the 13 bottom plate center of lower cover plate is inlaid with transparent glass
Glass 14, can increase the range of diffusion irradiation, and the above constitutes basic structure of the invention.
More specifically, one jiao of 1 top of upper plate is run through jointly with 3 one jiaos of reflector offers threading hole 15, and
The threading hole 15 is located at right above wiring groove 6, by the threading hole 15, can facilitate connection power supply, pass through the wiring
Slot 6 can facilitate and be connected between the LED pieces by electric wire, reduce the occupancy in space, the elasticity pin 9 includes cylinder
16,16 left end of cylinder is fixedly connected with sealing plate 17, and 17 center of sealing plate offers pin hole 18, suit in the pin hole 18
There is pin rod 19,19 right end of pin rod is connected with traction rope 20, and the traction rope 20 runs through 16 right wall of cylinder, the pin
19 outer wall of bar is fixedly connected with limit plate 21, and the limit plate 21 is located at 17 right side of sealing plate, the limit plate 21 and cylinder 16
Spring 22 is connected between right wall, and the spring 22 is sleeved on the outside of the pin rod 19, it, can by the elastic pin 9
It is clamped the light guide plate 4 with upper plate 1, by the traction rope 20, the pin rod 19 can be pulled, facilitate the light guide plate
4 are detached from upper plate 1, are conducive to remove the light guide plate 4, the strip groove 5 is equidistantly positioned, and the thickness of the LED pieces 7
Degree is equal to or less than the height of the strip groove 5, and the wiring groove 6 is connected to the strip groove 5, can be complete by the LED pieces 7
It is packed into the strip groove 5 entirely, reduces the occupancy in space, 10 bottom of astigmatism plate is located at 1 sidewall bottom of upper plate
In same level, 14 top surface of transparent glass and bottom surface are set to plane and concave surface, and 10 bottom surface of the astigmatism plate is tight
It is close to contradict at 14 top of transparent glass, concave surface, Neng Goukuo are set as with 14 bottom surface of transparent glass by the astigmatism plate 10
The range for dissipating irradiation is arranged in same level by 10 bottom of astigmatism plate and 1 sidewall bottom of upper plate, can be kept away
Exempt to occupy extra space, 2 base diameter of convex bolt hole is greater than nuts diameter, and 2 bottom of convex bolt hole
Height is greater than nuts thickness, can be avoided nuts protrusion, reduces the occupancy in space.
The present invention is improved in this kind of ultra-thin LED flat panel lamp, when in use, passes through the general of convex bolt hole 2 using bolt first
Upper plate 1 is fixedly connected on the ceiling, and power supply line is made to pass through threading hole 15, and LED pieces 7 are then installed on strip groove
In 5, then LED pieces 7 are connected with each other, the electric wire of connection is placed in wiring groove 6, is then held up light guide plate 4, and will
The connection electric wire of LED pieces is connect with power supply line, and then light guide plate 4 is packed into upper plate 1, makes elastic pin 9 and circular card
Hole 8 is mutually clamped, and is then charged into astigmatism plate 10, is finally installed in card slot 11 lower cover plate 13 by fixture block 12, is worked as LED pieces
When 7 damage, lower cover plate 13 and astigmatism plate 10 are removed first, then pulls traction rope 20, are detached from light guide plate 4 and upper plate 1, so
The LED pieces 7 for taking out damage afterwards, are replaced, and by being provided with elastic pin 9, can be clamped light guide plate 4 and upper plate 1,
It avoids light guide plate 1 to the pressure of lower cover plate 13, mitigates the load of lower cover plate 13, and facilitate and remove light guide plate 4, pass through setting
There are astigmatism plate 10 and 14 bottom surface of transparent glass to be set as concave surface, the range of irradiation can be spread.
While there has been shown and described that a specific embodiment of the invention, for those of ordinary skill in the art and
Speech, it is possible to understand that without departing from the principles and spirit of the present invention, these specific embodiments can be carried out a variety of
Change, modification, replacement and modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of ultra-thin LED flat panel lamp, including upper plate (1), it is characterised in that: a kind of ultra-thin LED flat panel lamp, including upper plate
(1), reflector is placed with inside the upper plate (1) through offering convex bolt hole (2) at the top of the upper plate (1)
(3), it and at the top of the reflector (3) is closely affixed with the upper plate (1) inside top surface, reflector (3) bottom is close
Contact is equipped with light guide plate (4), offers strip groove (5) at the top of the light guide plate (4), strip groove (5) both ends offer cloth
Wire casing (6), the strip groove (5) is interior to be installed with LED pieces (7), and four wall of light guide plate (4) side symmetrically offers circle
Card hole (8), and the circular hole clipping hole (8) is located at the light guide plate (4) quadrangle, clamping is flexible inside the circular hole clipping hole (8)
Pin (9), for the elasticity pin (9) through the upper plate (1) side wall is fixedly mounted on, light guide plate (4) bottom is close
Contact is equipped with astigmatism plate (10), and upper plate (1) side-wall outer side offers card slot (11), and the card slot (11) is connected with fixture block
(12), the fixture block (12) is fixedly connected with lower cover plate (13), and the fixture block (12) is located in the lower cover plate (13) side wall
Portion, lower cover plate (13) the bottom plate center are inlaid with transparent glass (14).
2. a kind of ultra-thin LED flat panel lamp according to claim 1, it is characterised in that: at the top of the upper plate (1) one jiao with
(3) one jiaos of reflector run through jointly and offer threading hole (15), and the threading hole (15) is located at right above wiring groove (6).
3. a kind of ultra-thin LED flat panel lamp according to claim 1, it is characterised in that: the elasticity pin (9) includes cylinder
(16), cylinder (16) left end is fixedly connected with sealing plate (17), and sealing plate (17) center offers pin hole (18), the pin
It is set with pin rod (19) in hole (18), pin rod (19) right end is connected with traction rope (20), and the traction rope (20) runs through
Cylinder (16) right wall, pin rod (19) outer wall are fixedly connected with limit plate (21), and the limit plate (21) is located at envelope
It on the right side of plate (17), is connected with spring (22) between the limit plate (21) and cylinder (16) right wall, and the spring (22) is set with
On the outside of the pin rod (19).
4. a kind of ultra-thin LED flat panel lamp according to claim 1, it is characterised in that: the strip groove (5) is equidistant to be set
It sets, and the thickness of the LED pieces (7) is equal to or less than the height of the strip groove (5), described in the wiring groove (6) connection
Strip groove (5).
5. a kind of ultra-thin LED flat panel lamp according to claim 1, it is characterised in that: astigmatism plate (10) bottom and institute
Upper plate (1) sidewall bottom is stated to be located in same level, transparent glass (14) top surface and bottom surface be set to plane with
Concave surface, and the astigmatism plate (10) bottom surface closely contradicts at the top of the transparent glass (14).
6. a kind of ultra-thin LED flat panel lamp according to claim 1, it is characterised in that: convex bolt hole (2) bottom is straight
Diameter is greater than nuts diameter, and convex bolt hole (2) bottom level is greater than nuts thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791216.2A CN109058817A (en) | 2018-07-18 | 2018-07-18 | A kind of ultra-thin LED flat panel lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791216.2A CN109058817A (en) | 2018-07-18 | 2018-07-18 | A kind of ultra-thin LED flat panel lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109058817A true CN109058817A (en) | 2018-12-21 |
Family
ID=64817078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810791216.2A Withdrawn CN109058817A (en) | 2018-07-18 | 2018-07-18 | A kind of ultra-thin LED flat panel lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109058817A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708030A (en) * | 2018-12-29 | 2019-05-03 | 法狮龙家居建材股份有限公司 | A kind of LED panel lamp frame of no screw assembling structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200471872Y1 (en) * | 2013-02-21 | 2014-03-25 | 최재훈 | Side view type light emitting diode flat luminaires |
| CN103672634A (en) * | 2013-06-14 | 2014-03-26 | 江苏瑞丰电子有限公司 | Modular panel lamp |
| CN204100151U (en) * | 2014-09-11 | 2015-01-14 | 上海盛丽光电科技有限公司 | The front light emitting plane lamp that a kind of UGR is less than 19 |
| KR101594133B1 (en) * | 2015-07-30 | 2016-02-17 | 주식회사 삼화테크 | LED edge light exchangeable inner part without disassembly |
| CN106545814A (en) * | 2016-08-30 | 2017-03-29 | 何惠兴 | LED flat lamp with emergency function |
-
2018
- 2018-07-18 CN CN201810791216.2A patent/CN109058817A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200471872Y1 (en) * | 2013-02-21 | 2014-03-25 | 최재훈 | Side view type light emitting diode flat luminaires |
| CN103672634A (en) * | 2013-06-14 | 2014-03-26 | 江苏瑞丰电子有限公司 | Modular panel lamp |
| CN204100151U (en) * | 2014-09-11 | 2015-01-14 | 上海盛丽光电科技有限公司 | The front light emitting plane lamp that a kind of UGR is less than 19 |
| KR101594133B1 (en) * | 2015-07-30 | 2016-02-17 | 주식회사 삼화테크 | LED edge light exchangeable inner part without disassembly |
| CN106545814A (en) * | 2016-08-30 | 2017-03-29 | 何惠兴 | LED flat lamp with emergency function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708030A (en) * | 2018-12-29 | 2019-05-03 | 法狮龙家居建材股份有限公司 | A kind of LED panel lamp frame of no screw assembling structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181221 |