CN109506152A - A kind of multi-functional LED desk lamp - Google Patents
A kind of multi-functional LED desk lamp Download PDFInfo
- Publication number
- CN109506152A CN109506152A CN201811386141.6A CN201811386141A CN109506152A CN 109506152 A CN109506152 A CN 109506152A CN 201811386141 A CN201811386141 A CN 201811386141A CN 109506152 A CN109506152 A CN 109506152A
- Authority
- CN
- China
- Prior art keywords
- led desk
- desk lamp
- lamp holder
- functional led
- curved bar
- 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.)
- Pending
Links
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
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/002—Table lamps, e.g. for ambient lighting
-
- 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
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/22—Adjustable mountings telescopic
-
- 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
- F21V25/00—Safety devices structurally associated with lighting devices
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
-
- 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)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
A kind of multi-functional LED desk lamp belongs to LED lamp technical field.The middle part of pedestal is equipped with port, internal screw thread is provided on the inner sidewall at retractable supports pipe both ends, fastening nut passes through port and is threadedly coupled with the internal screw thread of the lower end of retractable supports pipe, external screw thread is provided on the lateral wall at curved bar both ends, the upper end of retractable supports pipe and the threaded one end of curved bar connect, and the other end of curved bar is threaded with light emitting device assembly；The adjustable rod piece size of the present invention, more occasions use, extremely convenient.
Description
Technical field
The present invention relates to a kind of LED desk lamp, especially a kind of multi-functional LED desk lamp belongs to LED lamp technical field.
Background technique
With the development of science and technology, lighting engineering is fast-developing, LED light has that energy-saving and environmental protection, service life are long, the spies such as small in size
Point, can be widely applied to every field.Meanwhile that there is also light is excessively bright by LED, stimulates eyes, can not look at straight；And light angle
It is restricted, it can only generally irradiate 120 °.LED desk lamp is one of common illuminator of people；The universal function of LED desk lamp on the market
Can be single, rod piece volume is fixed, benefit inconvenient for use.
Summary of the invention
The purpose of the present invention is to provide a kind of multi-functional LED desk lamp, its adjustable rod piece size, more occasions are used,
It is extremely convenient.
Realize above-mentioned purpose, the present invention takes following technical proposals: a kind of multi-functional LED desk lamp, including it is pedestal, scalable
Support tube, curved bar, fastening nut and light emitting device assembly；
The middle part of the pedestal is equipped with port, is provided with internal screw thread on the inner sidewall at the retractable supports pipe both ends,
The fastening nut passes through port and is threadedly coupled with the internal screw thread of the lower end of retractable supports pipe, outside the curved bar both ends
External screw thread is provided on side wall, the upper end of the retractable supports pipe and the threaded one end of curved bar connect, the curved bar
The other end be threaded with light emitting device assembly.
Compared with prior art, the beneficial effects of the present invention are:
1, of the invention to be equipped with Transparent lamp shade, only through warm yellow light, make LED desk lamp light than milder, stimulation of the reduction to eyes,
Protect eyesight；
2, the present invention is equipped with retractable support lever and curved bar, and the height and position of adjustable LED desk lamp is suitable for different occasions,
It is easy to use；
3, the present invention is equipped with four groups of luminaires, increases LED desk lamp irradiating angle, keeps LED desk lamp irradiating angle unrestricted；
4, the present invention is equipped with insulation push jack, for obstructing the connection of electrode foot and circuit board in lamp bead plate, any selection irradiation
Angular range uses LED desk lamp more humane.
Detailed description of the invention
Fig. 1 is the overall structure axonometric drawing of multi-functional LED desk lamp of the invention；
Fig. 2 is the expanded view of retractable supports pipe and pedestal shown in FIG. 1；
Fig. 3 is that pedestal shown in Fig. 2 looks up broken away view；
Fig. 4 is light emitting device assembly, curved bar and retractable supports pipe part broken away view shown in FIG. 1；
Fig. 5 is the broken away view of any one group of luminaire shown in Fig. 4.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in the present invention
It states, it is clear that described embodiment is only a part of the embodiment of invention, instead of all the embodiments, based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall within the protection scope of the present invention.
Specific embodiment 1: as shown in Fig. 1 ~ Fig. 5, the invention discloses a kind of multi-functional LED desk lamp, including pedestal 1,
Retractable supports pipe 2, curved bar 3, fastening nut 4 and light emitting device assembly 5；
The middle part of the pedestal 1 is equipped with port 1-1, is provided on the inner sidewall at 2 both ends of retractable supports pipe interior
Screw thread, the threaded rod of the fastening nut 4 pass through port 1-1 and are threadedly coupled with the internal screw thread of the lower end of retractable supports pipe 2,
The fastening nut 4 is respectively provided on pedestal 1, the lateral wall at 3 both ends of curved bar for fixing retractable supports pipe 2
There is external screw thread, the internal screw thread of the upper end of the retractable supports pipe 2 is connect with the threaded one end of curved bar 3, the curved bar 3
The other end is threaded with light emitting device assembly 5.
Specific embodiment 2: as Figure 1 and Figure 4, present embodiment be specific embodiment one is made it is further
Illustrate, the light emitting device assembly 5 includes lamp holder 51, lampshade 52 and four groups of luminaires 53；
The lamp holder 51 is horizontal cuboid, and the cuboid lamp holder 51 is by two squares and four rectangle groups
At one end of the cuboid lamp holder 51 is threadedly coupled with the other end of curved bar 3, and four groups of luminaires 53 are set respectively
It sets in 51 4 rectangular side walls of cuboid lamp holder, the outside of the cuboid lamp holder 51 is provided with lampshade 52.
Specific embodiment 3: as shown in Figure 4, Figure 5, present embodiment be specific embodiment two is made it is further
Illustrate, four groups of luminaires 53 include that light transmission covers 53-1, lamp bead plate 53-2, partition 53-3, circuit board 53-4；
Heavy chamber 51-1 is provided in four rectangular side walls of the cuboid lamp holder 51, the heavy chamber 51-1 is interior by inner
53-1 is covered to circuit board 53-4, partition 53-3, lamp bead plate 53-2 and light transmission capping 53-1, the light transmission is disposed with outside
It is detachably clamped with corresponding heavy chamber 51-1, the light transmission capping 53-1 is transparent material, be can pass through on lamp bead plate 53-2
LED light source is provided with electrode foot 53-5, corresponding electricity in the partition 53-3 plate face in the inboard the lamp bead plate 53-2 plate face
Pole foot 53-5 is provided with through-hole 53-6, and the through-hole 53-6 is used for across corresponding electrode foot 53-5, the electrode foot 53-
5 connect energization with circuit board 53-4.
Specific embodiment 4: as shown in Fig. 2, present embodiment is made furtherly to specific embodiment one
Bright, the retractable supports pipe 2 is made of the hollow pipe of multiple and different diameters, and the hollow pipe of multiple and different diameters is pressed
Diameter successively successively decreases the setting that is nested, and limit hole 2-2 is provided on each hollow pipe, per two adjacent hollow pipes between pass through
Gag lever post 2-1 is fixedly connected, and in the corresponding insertion limit hole 2-2 of the gag lever post 2-1, is limited between two neighboring hollow pipe
Relative position.
Specific embodiment 5: as shown in figure 4, present embodiment is made furtherly to specific embodiment two
Bright, the curved bar 3 is made of vertical bar and telescopic cross bar；The telescopic cross bar is nested setting by the round tube of multiple and different diameters
And be slidably connected, the lamp holder 51 one end opposite with curved bar 3 is provided with threaded hole 51-2, described adjacent with lamp holder 51
External screw thread is provided on the lateral wall of cross bar, the lamp holder 51 is threadedly coupled with adjacent cross bar.
Specific embodiment 6: as shown in figure 5, present embodiment is made furtherly to specific embodiment two
It is bright, through slot 51-3 is provided in four rectangular side walls of the lamp holder 51, sliding is provided in the through slot 51-3
Insulate push jack 54, and the insulation push jack 54 is used to obstruct the company of electrode foot 53-5 and circuit board 53-4 on lamp bead plate 53-2
It connects.
Specific embodiment 7: as shown in figure 4, present embodiment is made furtherly to specific embodiment two
Bright, the lampshade 52 is transparent light-transmitting materials, and only through warm yellow light source.
Specific embodiment 8: as Figure 1 and Figure 4, present embodiment be specific embodiment two is made it is further
Illustrate, the other end of the lamp holder 51 is fixed with shading cover 55, the opening clamping of the shading cover 55 and lampshade 52, institute
Knob 55-1 is fixed on the lateral wall for the shading cover 55 stated.
Specific embodiment 9: as shown in Figure 2 and Figure 3, present embodiment be specific embodiment one is made it is further
Illustrate, multiple telescopic leg 1-2 is provided on the side wall of the pedestal 1, multiple telescopic leg 1-2 are for firm entire
LED desk lamp is not toppled over.
Specific embodiment 10: as shown in Fig. 1 ~ Fig. 3, present embodiment be specific embodiment one is made it is further
Illustrate, the outside of the retractable supports pipe 2 is provided with coaxially fixed cover 6, the lower end of the fixed cover 6 and pedestal 1
Upper surface is fixedly connected, and the fixed cover 6 is for reinforcing the connection of retractable supports pipe 2 Yu pedestal 1.
Specific embodiment 11: as shown in figure 5, present embodiment is made furtherly to specific embodiment three
Bright, the upper surface of the lamp bead plate 53-2 is equipped with annular protrusion 53-7, is arranged on the inner sidewall of the annular protrusion 53-7
There are multiple groove 53-8, multiple groove 53-8 to be detachably connected lamp bead plate 53-2, institute for taking out lamp bead plate 53-2
The lamp bead plate 53-2 stated is clamped with corresponding heavy chamber 51-1.
Specific embodiment 12: as shown in Fig. 2, present embodiment is made furtherly to specific embodiment four
Bright, the upper surface of the pedestal 1 is provided with multiple shrinkage pool 1-3, will be described when gag lever post 2-1 is under non-working condition
Multiple gag lever post 2-1 insertion shrinkage pool 1-3 in, convenient for storage arrange.
Specific embodiment 13: as shown in Fig. 1 ~ Fig. 5, present embodiment be any specific embodiment is made into
One step explanation, the circuit board 53-4 of the multi-functional LED desk lamp are connected with conducting wire, energization are connect with external power supply.
In using the present invention, there are two types of operational versions:
Scheme one: entire LED desk lamp is placed on suitable desktop, selects suitable light-source brightness as needed；Work as needs
When brighter, knob 55-1 is pulled, makes lamp holder 51 to fully extended lampshade 52, promotion/pulling insulation push jack 54, it is suitable to leave
LED light source, outside power on, LED desk lamp work；Conversely, without pulling out lamp holder 51, directly being connected when needing warm yellow light
Power supply makes LED desk lamp work；
Scheme two: when needing LED lamplight to irradiate entire room, the gag lever post 2-1 removed on pedestal 1 is appropriate, pulls scalable
Gag lever post 2-1 is corresponded in insertion limit hole 2-2 to proper height, pulls multiple telescopic legs on pedestal 1 by support tube 2
1-2 consolidates entire LED desk lamp and does not shake；Knob 55-1 is pulled, makes lamp holder 51 to fully extended lampshade 52, pulls out insulation push jack
54, guarantee that the electrode foot 53-5 and circuit board 53-4 on lamp bead plate 53-2 is fully connected, outside powers on, LED desk lamp work；
When needing warm yellow light, without pulling out lamp holder 51, directly powers on, LED desk lamp is made to work；
When LED desk lamp is in long-term non-working condition, entire LED desk lamp can be split, by fastening nut 4 and retractable supports
Pipe 2 is unscrewed, and curved bar 3 is unscrewed from retractable supports pipe 2, unscrewed between light emitting device assembly 5 and curved bar 3, saves space occupied；
And four groups of luminaires 53 can individually be split, and when there is damage, can be individually replaced, and be needed replacing when lamp bead being avoided to damage entire
LED desk lamp has saved cost.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in the form of others dress body.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that by all in the meaning and scope for the condition of equivalent for falling in claim
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of multi-functional LED desk lamp, it is characterised in that: including pedestal (1), retractable supports pipe (2), curved bar (3), fastening spiral shell
Female (4) and light emitting device assembly (5)；
The middle part of the pedestal (1) is equipped with port (1-1), is all provided on the inner sidewall at described retractable supports pipe (2) both ends
It is equipped with internal screw thread, the fastening nut (4) passes through the internal screw thread screw thread of the lower end of port (1-1) and retractable supports pipe (2)
Connection, is provided with external screw thread on the lateral wall at the curved bar (3) both ends, the upper end of the retractable supports pipe (2) with
The threaded one end of curved bar (3) connects, and the other end of the curved bar (3) is threaded with light emitting device assembly (5).
2. a kind of multi-functional LED desk lamp according to claim 1, it is characterised in that: light emitting device assembly (5) packet
Include lamp holder (51), lampshade (52) and four groups of luminaires (53)；
The lamp holder (51) is horizontal cuboid, one end of the cuboid lamp holder (51) and the other end of curved bar (3)
It is threadedly coupled, four groups of luminaires (53) are separately positioned on (51) four side walls of cuboid lamp holder, and described is rectangular
Lampshade (52) are provided on the outside of body lamp holder (51).
3. a kind of multi-functional LED desk lamp according to claim 2, it is characterised in that: four groups of luminaires (53)
It include that light transmission covers (53-1), lamp bead plate (53-2), partition (53-3), circuit board (53-4)；
It is provided with heavy chamber (51-1) on four side walls of the cuboid lamp holder (51), by inner in the heavy chamber (51-1)
(53-1) is covered to circuit board (53-4), partition (53-3), lamp bead plate (53-2) and light transmission is disposed with outside, the lamp bead
It is provided with electrode foot (53-5) in the plate face of plate (53-2) inboard, counter electrode foot (53-5) is set in the partition (53-3) plate face
It is equipped with through-hole (53-6).
4. a kind of multi-functional LED desk lamp according to claim 1, it is characterised in that: the retractable supports pipe (2) by
The hollow pipes of multiple and different diameters forms, and the hollow pipe of multiple and different diameters is nested setting, and often adjacent two hollow
It is fixedly connected between pipe by gag lever post (2-1).
5. a kind of multi-functional LED desk lamp according to claim 2, it is characterised in that: the curved bar (3) by vertical bar and is stretched
Contracting cross bar composition；The telescopic cross bar is nested by the round tube of multiple and different diameters to be arranged and is slidably connected, the lamp holder
(51) one end is provided with threaded hole (51-2), and the lamp holder (51) is threadedly coupled with adjacent cross bar.
6. a kind of multi-functional LED desk lamp according to claim 2, it is characterised in that: four sides of the lamp holder (51)
It is provided on wall through slot (51-3), sliding is provided with insulation push jack (54) in the through slot (51-3), and the insulation pushes away
Piece (54) is used to obstruct the connection of electrode foot (53-5) and circuit board (53-4) on lamp bead plate (53-2).
7. a kind of multi-functional LED desk lamp according to claim 2, it is characterised in that: the lampshade (52) is transparent
Finish matter, and only through warm yellow light source.
8. a kind of multi-functional LED desk lamp according to claim 2, it is characterised in that: the other end of the lamp holder (51)
It is fixed with shading cover (55), the opening of the shading cover (55) and lampshade (52) is clamped, outside the shading cover (55)
Knob (55-1) is fixed on side wall.
9. a kind of multi-functional LED desk lamp according to claim 1, it is characterised in that: set on the side wall of the pedestal (1)
It is equipped with multiple telescopic legs (1-2).
10. a kind of multi-functional LED desk lamp according to claim 1, it is characterised in that: the retractable supports pipe (2)
Outside be provided with coaxial fixed cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386141.6A CN109506152A (en) | 2018-11-20 | 2018-11-20 | A kind of multi-functional LED desk lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386141.6A CN109506152A (en) | 2018-11-20 | 2018-11-20 | A kind of multi-functional LED desk lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109506152A true CN109506152A (en) | 2019-03-22 |
Family
ID=65749321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811386141.6A Pending CN109506152A (en) | 2018-11-20 | 2018-11-20 | A kind of multi-functional LED desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109506152A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008122326A1 (en) * | 2007-04-05 | 2008-10-16 | Zumtobel Lighting Gmbh & Co. Kg | Light fixture, in particular a standard lamp or a table lamp, with an extendable light head |
| CN202546649U (en) * | 2012-04-10 | 2012-11-21 | 黄锦超 | Universal light-emitting diode (LED) energy-saving lamp sectional material for multiple types of lamps |
| CN202920927U (en) * | 2012-10-10 | 2013-05-08 | 何建武 | Improved luminous shuttlecock |
| CN206018337U (en) * | 2016-08-31 | 2017-03-15 | 福建山铼特光电科技有限公司 | 360 degree of luminous LEDs |
| CN106641846A (en) * | 2016-12-30 | 2017-05-10 | 郭子颖 | Spirit refreshing LED reading lamp |
| CN206669430U (en) * | 2016-11-09 | 2017-11-24 | 深圳市康铭盛科技实业股份有限公司 | A kind of easy-to-dismount desk lamp |
| CN206739024U (en) * | 2016-10-13 | 2017-12-12 | 李世合 | A kind of safety multi-purpose desk lamp for facilitating students' dormitory |
-
2018
- 2018-11-20 CN CN201811386141.6A patent/CN109506152A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008122326A1 (en) * | 2007-04-05 | 2008-10-16 | Zumtobel Lighting Gmbh & Co. Kg | Light fixture, in particular a standard lamp or a table lamp, with an extendable light head |
| CN202546649U (en) * | 2012-04-10 | 2012-11-21 | 黄锦超 | Universal light-emitting diode (LED) energy-saving lamp sectional material for multiple types of lamps |
| CN202920927U (en) * | 2012-10-10 | 2013-05-08 | 何建武 | Improved luminous shuttlecock |
| CN206018337U (en) * | 2016-08-31 | 2017-03-15 | 福建山铼特光电科技有限公司 | 360 degree of luminous LEDs |
| CN206739024U (en) * | 2016-10-13 | 2017-12-12 | 李世合 | A kind of safety multi-purpose desk lamp for facilitating students' dormitory |
| CN206669430U (en) * | 2016-11-09 | 2017-11-24 | 深圳市康铭盛科技实业股份有限公司 | A kind of easy-to-dismount desk lamp |
| CN106641846A (en) * | 2016-12-30 | 2017-05-10 | 郭子颖 | Spirit refreshing LED reading lamp |
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| PB01 | Publication | ||
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Application publication date: 20190322 |