CN108397716A - A kind of novel exhibitions LED projector lamp - Google Patents
A kind of novel exhibitions LED projector lamp Download PDFInfo
- Publication number
- CN108397716A CN108397716A CN201810125785.3A CN201810125785A CN108397716A CN 108397716 A CN108397716 A CN 108397716A CN 201810125785 A CN201810125785 A CN 201810125785A CN 108397716 A CN108397716 A CN 108397716A
- Authority
- CN
- China
- Prior art keywords
- capsul
- led
- radiation shell
- side wall
- fixed plate
- 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
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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
- F21V17/16—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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
-
- 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
-
- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
-
- 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]
Abstract
Include waterproof light projector device with LED light source, the radiator being arranged on it and fixing device the present invention relates to a kind of novel exhibitions LED projector lamp.Waterproof light projector device includes the upper capsul and lower capsul that docking fastens, and the top of upper capsul is transparent material.Be respectively and fixedly connected with that a circle extends out on the side wall of upper capsul and lower capsul first buckle while and second buckle while, the second button when being embedded in the first button in, be equipped with waterproof grommet between.It is equipped with multigroup buckle on lower sealing shell side wall, the trough of belt fixture block with buckle clamping is equipped on upper sealing shell side wall.LED light source and reflector are equipped in the cavity that upper-lower seal shell is constituted.Radiator includes the radiation shell docked with lower capsul, and aluminum radiating subassembly is equipped at the back of radiation shell.It further include the heat pipe through lower capsul bottom plate.Fixing device is included in the affixed fixed plate in radiation shell both sides, and being equipped in fixed plate can rotate and fixed U-shaped adjustable support around its central point.
Description
Technical field
The present invention relates to lighting technical field more particularly to a kind of novel exhibitions LED projector lamps.
Background technology
With the continuous development of LDE industries, also constantly improve, high-power LED Projecting Lamp have LED energy-saving illuminations technology
More and more application fields.
The problem of current high-power LED Projecting Lamp generally existing is complicated, should not dismantle installation, and difficulty is safeguarded, and
For high-power LED Projecting Lamp, heat dissipation and waterproof are major issues, the heat dissipation master of traditional high power LED projector
It to be radiated by being integrally formed aluminum shell, heat dissipation effect is undesirable, and water resistance is bad, and production cost is high.
Invention content
The present invention provides a kind of structure design advantages of simple, quick detachable to solve technical problem present in known technology
Installation, heat dissipation and the preferably novel exhibitions LED projector lamp of waterproof effect.
The present invention is adopted the technical scheme that solve technical problem present in known technology：A kind of novel exhibitions use
LED projector lamp includes the waterproof light projector device with LED light source, radiator is equipped on waterproof light projector device, further including can
Adjust the fixing device of light projector angle；
The waterproof light projector device includes the upper capsul for being mutually butted fastening and lower capsul, and the top of upper capsul
For transparent material；First for being connected with a circle at the lower edge of upper sealing shell side wall Open Side Down and extend out buckles side, close under
The upper edge of capsule side wall is connected with a circle opening upwards and what is extended out second buckles side, and second button is when being embedded in the first button
It is interior, it is equipped with waterproof grommet between the first button is when second detains；It is equipped at intervals in lower sealing shell side wall upper edge multigroup
Buckle on upper sealing shell side wall, corresponds to the position of buckle equipped with the trough of belt fixture block being engaged by clamping with buckle；In upper capsul and
LED light source is equipped in the cavity that lower capsul is constituted and for reflective reflector；
The radiator includes the radiation shell docked with the back of lower capsul, is dissipated equipped with aluminum at the back of radiation shell
Hot component；It further include the heat pipe that lower capsul bottom plate is run through in multigroup longitudinal direction；
The fixing device is included in the symmetrical affixed fixed plate in radiation shell both sides, and being equipped in fixed plate can be around its center
Point rotation and fixed U-shaped adjustable support.
Preferably：The top section of the upper capsul/whole is open, and is connected with light-transmitting plate in open-mouth.
Preferably：The waterproof light projector device further includes the power supply smart drive module being arranged in reflector bottom, described
Power supply smart drive module is electrically connected with LED light source realization.
Preferably：The sealing ring includes that longitudinal cross-section is criss-cross sealed body, in the top surface of sealed body one
A upper sealing ring extended to upside is formed, in the lower sealing that the bottom surface of sealed body extends integrally formed with one to downside
Ring；The top surface outer end of the upper sealing ring and sealed body is in an acute angle, and the bottom surface outer end of lower sealing ring and sealed body is in one
Acute angle.
Preferably：The aluminum radiating subassembly includes the aluminum substrate for being fixed in radiation shell back, is put down on aluminum substrate
Row is provided with multiple rows of aluminum thermal fin.
Preferably：The heat pipe sets up separately below reflector, LED light source surrounding, and the evaporating section of heat pipe is in upper close
In the cavity that capsule and lower capsul are constituted, condensation segment be in radiation shell, between the shell of heat pipe and the bottom plate of lower capsul
Equipped with water-proof sealing block.
Preferably：Multigroup heat emission hole is offered on the side wall of radiation shell.
Preferably：It is connected with connecting plate in the both sides of radiation shell, the fixed plate passes through connecting plate, screw bolt and nut pair
Claim the both sides for being fixed in radiation shell；At the center of fixed plate and the end of adjustable support offers through-hole, passes through fixed plate
The through-hole of through-hole and adjustable support end at center is equipped with the first fastener；It is arcuately offered in the periphery of fixed plate multigroup
Positioning through hole offers sliding slot between adjacent two positioning through hole, adjustable support both sides close end, offer along its length
Two symmetrical bar shaped grooves pass through bar shaped groove and positioning through hole to be equipped with the second fastener.
Preferably：First fastener and the second fastener are a kind of quick-disassembly structure.
The advantages and positive effects of the present invention are：The present invention provides a kind of novel exhibitions LED projector lamps, with existing skill
Art is compared, and LED light source of the invention is arranged in the sealing space being made of upper capsul and lower capsul, used sealing
Circle is the sealing ring with upper-lower seal ring, and sealing effect is good, can completely cut off water mist well, and upper capsul and lower capsul it
Between by buckling and the clamping engagement of trough of belt fixture block is fixed, in convenience the unlatching of capsul and lower capsul or fastening, are convenient for
Later maintenance.The setting of heat pipe, aluminum substrate and aluminum thermal fin, can will accumulate in upper capsul and lower capsul constitute it is close
Heat in closed chamber is exported and is spread rapidly, good heat dissipation effect.Pass through the quick-disassembly structure and fixed plate at the center of fixed plate
Quick-disassembly structure at periphery connects adjustable support, and precisely can quickly adjust adjustable support and obtain setting angle, is suitable for a variety of
Installation under environment.
Description of the drawings
Fig. 1 is the main view broken section structural schematic diagram of the preferred embodiment for the present invention；
Fig. 2 is the sectional view of the sealing ring of the present invention；
Fig. 3 is the side view of the preferred embodiment for the present invention；
Fig. 4 is the a-quadrant enlarged diagram in Fig. 3.
In figure：1, upper capsul；2, lower capsul；3, light-transmitting plate；4, the first button side；5, the second button side；6, sealing ring；6-
1, sealed body；6-2, upper sealing ring；6-3, lower sealing ring；7, it buckles；8, trough of belt fixture block；9, LED light source；10, power supply smart
Drive module；11, heat pipe；12, reflector；13, radiation shell；13-1, heat emission hole；14, aluminum substrate；15, aluminum thermal fin；
16, connecting plate；17, fixed plate；17-1, sliding slot；17-2, positioning through hole；18, adjustable support；18-1, bar shaped groove；19, first
Fastener；20, the second fastener.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, hereby lifting following embodiment, detailed description are as follows：
Fig. 1 to Fig. 4 is referred to, the present invention includes the waterproof light projector device with LED light source 9, on waterproof light projector device
Further include the fixing device of adjustable light projector angle equipped with radiator.
The waterproof light projector device includes the upper capsul 1 for being mutually butted fastening and lower capsul 2, and upper capsul 1
Top is transparent material.First for being connected with a circle at the lower edge of 1 side wall of upper capsul Open Side Down and extend out buckles side 4,
The upper edge of 2 side wall of lower capsul is connected with a circle opening upwards and what is extended out second buckles side 5, second button side 5 is embedding
Enter in the first button side 4, waterproof grommet 6 is equipped between the first button is when 4 and second are detained 5.In 2 side wall top edge of lower capsul
Place is equipped at intervals with multigroup buckle 7, on 1 side wall of upper capsul, the bands that the position of corresponding buckle 7 is equipped with and buckle 7 is engaged by clamping
Slot fixture block 8.LED light source 9 is equipped in the cavity that upper capsul 1 and lower capsul 2 are constituted and for reflective reflector 12.On
It is fixed by the clamping engagement of buckle 7 and trough of belt fixture block 8 between capsul 1 and lower capsul 2, capsul 1 is under in convenience
The unlatching of capsul 2 or fastening are convenient for later maintenance.
The radiator includes the radiation shell 13 docked with the back of lower capsul 2, is equipped at the back of radiation shell 13
Aluminum radiating subassembly.It further include the heat pipe 11 that 2 bottom plate of lower capsul is run through in multigroup longitudinal direction.The heat pipe 11 is distributed in reflector 12
Lower section, 9 surrounding of LED light source, by the heat accumulated in the closed chamber that upper capsul 1 and lower capsul 2 are constituted export rapidly to
Radiation shell 13, and diffused in surrounding air by aluminum radiating subassembly.
The fixing device is included in the symmetrical affixed fixed plate 17 in 13 both sides of radiation shell, and being equipped in fixed plate 17 can be around
Its central point rotates and fixed U-shaped adjustable support 18.
As shown in Figure 1, the top section of the upper capsul 1/whole is open, and light-transmitting plate 3 is connected in open-mouth.
LED light source 9 project and light beam is projected to the external world through light-transmitting plate 3.
The waterproof light projector device further includes the power supply smart drive module 10 being arranged in 12 bottom of reflector, the power supply
Intelligent driver module 10 is electrically connected with the realization of LED light source 9.Power supply smart drive module 10 can be by 220V AC rectifications at constant-current source
LED light source 9 is supplied electricity to, it is internal to be automatically controlled by program realization.
As shown in Fig. 2, it is criss-cross sealed body 6-1 that the sealing ring 6, which includes longitudinal cross-section, in sealed body 6-1
Top surface integrally formed with one to upside extend upper sealing ring 6-2, the bottom surface of sealed body 6-1 integrally formed with one downwards
The lower sealing ring 6-3 that side extends.The top surface outer end of the upper sealing ring 6-2 and sealed body 6-1 is in an acute angle, lower sealing ring 6-
The bottom surface outer end of 3 and sealed body 6-1 is in an acute angle.Sealing ring 6 is arranged between first buckles when 4 and second are buckled 5, in the two
Squeezing action under, upper sealing ring 6-2, lower sealing ring 6-3 and sealed body 6-1 constitute multi-sealed waterproof barrier, sealing
Effect is good, can completely cut off water mist well
As depicted in figs. 1 and 2, the aluminum radiating subassembly includes the aluminum base that 13 back of radiation shell is fixed in by screw
Plate 14 is arranged in parallel with multiple rows of aluminum thermal fin 15 on aluminum substrate 14.Multigroup use can be offered on aluminum thermal fin 15
In the through-hole of air circulation, enhance heat dissipation effect.
As shown in Figure 1, the heat pipe 11 sets up separately below reflector 12,9 surrounding of LED light source, and the evaporator section of heat pipe 11
In upper capsul 1 and lower capsul 2 composition cavity in, condensation segment be in radiation shell 13, the shell of heat pipe 11 under
Water-proof sealing block is equipped between the bottom plate of capsul 2.
To enhance heat dissipation effect, multigroup heat emission hole 13-1 is offered on the side wall of radiation shell 13.
As depicted in figs. 1 and 2, it is connected with connecting plate 16 in the both sides of radiation shell 13, the fixed plate 17 passes through connection
Plate 16, screw bolt and nut are symmetrically fixed in the both sides of radiation shell 13.At the center of fixed plate 17 and the end of adjustable support 18
Through-hole is offered, the through-hole of 18 end of through-hole and adjustable support at 17 center of fixed plate is passed through to be equipped with the first fastener 19.
Multigroup positioning through hole 17-2 is arcuately offered in the periphery of fixed plate 17, sliding slot is offered between adjacent two positioning through hole 17-2
17-1,18 both sides of adjustable support close end, offer two symmetrical bar shaped groove 18-1 along its length, pass through
Bar shaped groove 18-1 and positioning through hole 17-2 is equipped with the second fastener 20.
First fastener, 19 and second fastener 20 is a kind of quick-disassembly structure.Quick-disassembly structure includes pull rod, cam, pulls
Hand and positioning and locking nut, the pull rod passes through bar shaped groove 18-1 and positioning through hole 17-2 and is pierced by fixed plate 17, in pull rod
Both ends be respectively equipped with positioning and locking nut and the spanner with cam.The pull rod can be logical in bar shaped groove 18-1, positioning
It is slided in the region that hole 17-2 and sliding slot 17-1 are constituted, Projecting Lamp can be quickly adjusted in the case where other tools need not be used
Light projector angle.
Claims (9)
1. a kind of novel exhibitions LED projector lamp, it is characterized in that：Waterproof light projector device including carrying LED light source (9), anti-
Water light projector device is equipped with radiator, further includes the fixing device of adjustable light projector angle；
The waterproof light projector device includes being mutually butted the upper capsul (1) and lower capsul (2) of fastening, and upper capsul (1)
Top be transparent material；First for being connected with a circle at the lower edge of upper capsul (1) side wall Open Side Down and extend out is buckled
Side (4), the upper edge of lower capsul (2) side wall is connected with a circle opening upwards and what is extended out second buckles side (5), described
In (4), waterproof grommet (6) is equipped in the first button in (5) embedded first button when (4) and second are detained between (5) for two buttons；
Lower capsul (2) side wall upper edge is equipped at intervals with multigroup buckle (7), on upper capsul (1) side wall, corresponds to buckle (7)
Position is equipped with the trough of belt fixture block (8) being engaged by clamping with buckle (7)；In the cavity that upper capsul (1) and lower capsul (2) are constituted
Equipped with LED light source (9) and for reflective reflector (12)；
The radiator includes the radiation shell (13) docked with the back of lower capsul (2), is set at the back of radiation shell (13)
There is aluminum radiating subassembly；It further include the heat pipe (11) that lower capsul (2) bottom plate is run through in multigroup longitudinal direction；
The fixing device is included in the symmetrical affixed fixed plate (17) in radiation shell (13) both sides, and being equipped in fixed plate (17) can
Around the rotation of its central point and fixed U-shaped adjustable support (18).
2. novel exhibitions LED projector lamp as described in claim 1, it is characterized in that：The top of the upper capsul (1)
Point/all open, and it is connected with light-transmitting plate (3) in open-mouth.
3. novel exhibitions LED projector lamp as described in claim 1, it is characterized in that：The waterproof light projector device further includes setting
Set the power supply smart drive module (10) in reflector (12) bottom, the power supply smart drive module (10) and LED light source (9)
Realize electrical connection.
4. novel exhibitions LED projector lamp as described in claim 1, it is characterized in that：The sealing ring (6) includes longitudinal cross-section
For criss-cross sealed body (6-1), in the upper sealing ring that the top surface of sealed body (6-1) extends integrally formed with one to upside
(6-2), in the lower sealing ring (6-3) that the bottom surface of sealed body (6-1) extends integrally formed with one to downside；The upper sealing ring
The top surface outer end of (6-2) and sealed body (6-1) is in an acute angle, the bottom surface outer end of lower sealing ring (6-3) and sealed body (6-1)
In an acute angle.
5. novel exhibitions LED projector lamp as described in claim 1, it is characterized in that：The aluminum radiating subassembly includes affixed
Aluminum substrate (14) at radiation shell (13) back, is arranged in parallel with multiple rows of aluminum thermal fin (15) on aluminum substrate (14).
6. novel exhibitions LED projector lamp as described in claim 1, it is characterized in that：The heat pipe (11) is set up separately in reflector
(12) lower section, LED light source (9) surrounding, and the evaporating section of heat pipe (11) are in upper capsul (1) and lower capsul (2) composition
Cavity in, condensation segment be in radiation shell (13), equipped with waterproof between the shell of heat pipe (11) and the bottom plate of lower capsul (2)
Sealing block.
7. novel exhibitions LED projector lamp as described in claim 1, it is characterized in that：It is opened up on the side wall of radiation shell (13)
There is multigroup heat emission hole (13-1).
8. novel exhibitions LED projector lamp as described in claim 1, it is characterized in that：It is affixed in the both sides of radiation shell (13)
There are connecting plate (16), the fixed plate (17) to be symmetrically fixed in the two of radiation shell (13) by connecting plate (16), screw bolt and nut
Side；At the center of fixed plate (17) and the end of adjustable support (18) offers through-hole, passes through at fixed plate (17) center
Through-hole and adjustable support (18) end through-hole be equipped with the first fastener (19)；It is arcuately opened up in the periphery of fixed plate (17)
There is multigroup positioning through hole (17-2), sliding slot (17-1) is offered between adjacent two positioning through hole (17-2), in adjustable support (18)
The close end of both sides offers two symmetrical bar shaped grooves (18-1) along its length, passes through bar shaped groove (18-1)
It is equipped with the second fastener (20) with positioning through hole (17-2).
9. novel exhibitions LED projector lamp as claimed in claim 8, it is characterized in that：First fastener (19) and second
Fastener (20) is a kind of quick-disassembly structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810125785.3A CN108397716A (en) | 2018-02-08 | 2018-02-08 | A kind of novel exhibitions LED projector lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810125785.3A CN108397716A (en) | 2018-02-08 | 2018-02-08 | A kind of novel exhibitions LED projector lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108397716A true CN108397716A (en) | 2018-08-14 |
Family
ID=63095321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810125785.3A Pending CN108397716A (en) | 2018-02-08 | 2018-02-08 | A kind of novel exhibitions LED projector lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108397716A (en) |
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| EP1873448B1 (en) * | 2005-03-31 | 2010-10-20 | NeoBulb Technologies, Inc. | A high power led illuminating equipment having high thermal diffusivity |
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Application publication date: 20180814 |
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