CN106594543B - A kind of LED filament lamp and its lighting device - Google Patents
A kind of LED filament lamp and its lighting device Download PDFInfo
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- CN106594543B CN106594543B CN201611245075.1A CN201611245075A CN106594543B CN 106594543 B CN106594543 B CN 106594543B CN 201611245075 A CN201611245075 A CN 201611245075A CN 106594543 B CN106594543 B CN 106594543B
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- filament lamp
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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
-
- 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
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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
-
- 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
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
Abstract
The present invention provides a kind of lighting devices of a kind of LED filament lamp and application the LED filament lamp; the LED filament lamp includes: the shielding casing for filling heat radiation protection gas, the pedestal for closing shielding casing bottom opening, the electric conductor drawn from pedestal, and the LED illuminator being electrically connected with electric conductor；At least contain methylene bromide in the heat radiation protection gas.Through the invention, the radiating efficiency for improving the LED filament lamp extends service life, and improves the tolerance to vibration, improves the reliability of product.
Description
Technical field
The present invention relates to technical field of lighting devices more particularly to a kind of LED filament lamps and its lighting device.
Background technique
The disadvantages of incandescent lamp is low, energy consumption is high since there are service lifes, by using LED as the lighting device of light-emitting component
Instead of.Using LED in the lighting device of light-emitting component, to there is a kind of lighting device (i.e. LED filament lamp) spherical in shape substituting
Traditional incandescent lamp, and as the lighting apparatus in Landscape Lamp, home lighting than generally using.Multiple PCB structures for being equipped with LED
At column or the LED illuminator of strip, and cooperate driver and electric connector, exactly likes incandescent lamp but to be formed with LED
For the lighting device of illuminator, and there is comprehensive, stereo luminous technical advantage.
For traditional LED filament lamp in electrified light emitting, heat caused by LED illuminator is low by being pre-charged in light bulb
Coefficient of viscosity high thermal conductivity gas (such as helium or hydrogen) is used as protective gas.Column or the LED illuminator of strip are produced
Raw heat passes through the convection current and conduction of protective gas, distributes heat realization finally by light bulb, to guarantee LED filament lamp
Service life.However, in the bulb then there is more serious security risk in filling hydrogen.
Meanwhile nitrogen is filled in the bulb, equally exist the bad problem of heat dissipation effect, therefore traditional LED filament lamp
It cannot achieve the intensity of illumination unit of 800 lumens or more, can be only applied to so as to cause traditional LED filament lamp to intensity of illumination
It is used in not high domestic lighting scene, to deposit limitation in use.
In addition, the Chinese invention patent application of publication number CN10389943A discloses a kind of U-shaped fluorescent tube LED energy-saving lamp,
Bulb is vacuum structure, and respectively there is a LED light tube core at two ends of the U-shaped LED lamp tube 1 of list of single U-shaped fluorescent tube LED energy-saving lamp
5 and a stem 6；Each stem 6 includes electric lead-out wire 7, glass pillar or glass tube 8 and its wire 9 and row on top
Tracheae 10；The stem 6 at two ends is respectively sealed with one end high temperature of U-shaped fluorescent tube.The prior art equally exist bulb due to
The technological deficiency that can not be effectively distributed in heat caused by vacuum.Meanwhile the lighting device of above structure due to need to configure compared with
Long glass tube 8, causes manufacturing process and manufacturing cost higher.Meanwhile wire 9 connects two LED light tube cores 5, thus
The lighting device of above structure is caused to have the defects that relatively poor intolerant to strong motion, reliability.
In view of this, it is necessary to LED filament lamp in the prior art be improved, to solve the above problems.
Summary of the invention
It is an object of the invention to disclose a kind of lighting device of a kind of LED filament lamp and application the LED filament lamp, use
It to improve the radiating efficiency of LED filament lamp, prolongs its service life, and improves the tolerance to vibration, improve the reliable of product
Property.
To realize above-mentioned first goal of the invention, the present invention provides a kind of LED filament lamps, comprising: filling heat radiation protection
The shielding casing of gas, the pedestal for closing shielding casing bottom opening, the electric conductor drawn from pedestal, and be electrically connected with electric conductor
The LED illuminator connect；At least contain methylene bromide in the heat radiation protection gas.
As a further improvement of the present invention, the heat radiation protection gas includes nitrogen, methylene bromide gas and indifferent gas
Body.
As a further improvement of the present invention, the heat radiation protection gas by following volumes percentage gas composition:
Nitrogen: 10~20%；
Methylene bromide: 0.5~1.5%；
Inert gas: 78.5~89.5%.
As a further improvement of the present invention, the heat radiation protection gas by following volumes percentage gas composition:
Nitrogen: 20%；
Methylene bromide: 1.5%；
Inert gas: 78.5%.
As a further improvement of the present invention, the inert gas is selected from one of helium, argon gas, neon or xenon
Or the mixed gas of two or more arbitrary proportions.
As a further improvement of the present invention, the air pressure in the shielding casing is more than or equal to a normal atmosphere
Pressure.
As a further improvement of the present invention, the illuminator is by the multiple groups LED filament group that is directly electrically connected with electric conductor
At the LED filament is in the broken line shape continuously arranged.
As a further improvement of the present invention, the LED filament inside shielding casing far from electric conductor one end with
Hinged mode establishes electrical connection.
As a further improvement of the present invention, the LED filament forms at least one circuit inside shielding casing.
As a further improvement of the present invention, the luminous shape of the LED filament is V-shaped, M shape, annular, cylindrical,
The ellipsoid bodily form, cone shape or cylindrical.
As a further improvement of the present invention, the electric conductor includes the stem encapsulated by base part, heat conducting bar, encapsulation
The conducting wire and at least one conducting rod being electrically connected with LED filament being electrically connected inside stem and with the positive and negative anodes of pedestal.
As a further improvement of the present invention, the heat conducting bar is solid construction.
As a further improvement of the present invention, the thermally conductive bar part is hollow structure.
As a further improvement of the present invention, the quantity of the conducting rod is at least 2, and and LED filament with hinged or
The mode of person's welding establishes electrical connection.
As a further improvement of the present invention, multiple conducting rods are located in the same plane, and radial or parallel
It shifts to install.
It as a further improvement of the present invention, is in flat solid construction inside the stem.
As a further improvement of the present invention, the hollow structure of cylindrical cavity is formed inside the stem, the conducting wire passes through
Wear the cylindrical cavity；
The stem enclosed inside heat radiation protection gas, the heat radiation protection gas by following volumes percentage gas group
At:
Nitrogen: 10~20%；
Methylene bromide: 0.5~1.5%；
Inert gas: 78.5~89.5%.
As a further improvement of the present invention, the pedestal and the inner wall joint face of shielding casing junction coat transparent lead
Hot silica gel.
As a further improvement of the present invention, the shape of the shielding casing is A- type, G- type, R- type, PAR- type, T- type
Or candle type；The pedestal is E40, E27, E26, E14 or GU.
Meanwhile the invention also discloses a kind of lighting devices, including lamp holder, including at least one any of the above-described invents institute
The LED filament lamp stated, the LED filament lamp are flexibly connected with lamp holder, and by lamp holder be the LED filament lamp input dc power or
Person's alternating current.
Compared with prior art, the beneficial effects of the present invention are: through the invention, improving the heat dissipation of the LED filament lamp
Efficiency extends service life, and improves the tolerance to vibration, improves the reliability of product.
Detailed description of the invention
Fig. 1 is the perspective view of the present invention in example 1；
Fig. 2 is the perspective view of the present invention in example 2；
Fig. 3 is the perspective view of the present invention in the third embodiment；
Fig. 4 is the structural schematic diagram in the direction arrow A along Fig. 3.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these
Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method,
Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
Embodiment one:
Join shown in Fig. 1, a kind of LED filament lamp, comprising: shielding casing 2, the closing shielding casing of filling heat radiation protection gas
The pedestal 1 of 2 bottom openings, the electric conductor 6 drawn from pedestal 1, and the LED illuminator 3 being electrically connected with electric conductor 6, the heat dissipation
At least contain methylene bromide in protective gas.The shape of the shielding casing 2 is A- type, G- type, R- type, PAR- type, T- type or candle
Type；Pedestal 1 is E40, E27, E26, E14 or GU.
Pedestal 1 is whole by being made with conductive and insulation material, and forms anode 11 and cathode 12, is thus masking shell
LED filament 4 in body 2 provides power supply.Meanwhile driving circuit (not shown) is packaged in pedestal 1, driving circuit is used for
By alternating current by the processing such as decompression, inversion, rectification, filtering, 220V 110V alternating current is converted to and meets LED filament 4
The voltage rating of normal work, the selection of the voltage rating is depending on the different size of LED filament 4.
Shielding casing 2 can integrally use the material with light transmission or partial light permeability, such as: glass, plastics are made, and can
Heat-conducting layer can be sprayed on the inner wall of shielding casing 2, to further increase shielding casing 2 to the LED illuminator in the LED filament lamp
3 heats issued at work.Methylene bromide passes through convection current, conduction as a kind of cooling medium gas, by LED illuminator 3
And the heat that conducts of three kinds of modes of radiation cool down and temperature is effectively conducted to shielding casing 2, and carry out heat dissipation with it is cold
But it handles, improves the service life and reliability of the LED filament lamp.
The closed cavity 20 of the components such as receiving LED illuminator 3 is formed inside the shielding casing 2, is filled out in the closed cavity 20
Filled with heat radiation protection gas.The heat radiation protection gas gas includes nitrogen, methylene bromide gas and inert gas.Specifically, should
Heat radiation protection gas by following volumes percentage gas composition: nitrogen: 10~20%；Methylene bromide: 0.5~1.5%；Inertia
Gas: 78.5~89.5%.Further, the heat radiation protection gas by following volumes percentage gas composition: nitrogen:
20%；Methylene bromide: 1.5%；Inert gas: 78.5%.Wherein, inert gas is in helium, argon gas, neon or xenon
One or two kinds of any of the above ratio mixed gas.In the present embodiment, inert gas is selected from helium.Shielding casing
Air pressure in 2 is more than or equal to a standard atmospheric pressure, preferably dissipates so that the heat inside shielding casing 2 is realized
Heat.
Methylene bromide can play cooling effect, absorb the heat that LED filament 4 comes out, and cause methylene bromide depth
Vaporization, and increase the gaseous exchange speed in closed cavity 20 with helium and nitrogen, so that accelerated heat is carried out to shielding casing 2
Conduction and heat dissipation, to realize the effect of cooling to LED filament 4.Simultaneously as not using hydrogen commonly used in the prior art
It as filling gas, overcomes that hydrogen chemical property is active, and performance is unstable, is easy to happen many defects of explosion danger.
As shown in Figure 1, illuminator 3 is made of the multiple groups LED filament 4 being directly electrically connected with electric conductor 6, the LED filament 4
In the broken line shape continuously arranged.The electric conductor 6 includes by the stem 61 of 1 partial encapsulation of pedestal, heat conducting bar 63, is encapsulated in core
The conducting wire 62 and at least one conducting rod being electrically connected with LED filament 4 column 61 inside and be electrically connected with the positive and negative anodes of pedestal 1
64。
Specifically, in the present embodiment, conducting rod 64 includes the conducting rod of two groups of parallel misalignments setting, wherein each group
Conducting rod includes conducting rod 641 and conducting rod 642.Two arrangements of LED filament 4 form an acute triangle, and pass through conduction
Bar 641 is fixedly connected with conducting rod 642 with heat conducting bar 63.Further, conducting rod 641 is generally aligned in the same plane with conducting rod 642.
Conducting rod 64 can be solid construction, can also be hollow structure, and provide electric power for LED filament 4, and can form one or more
Circuit.
In Fig. 1, the quantity of the conducting rod 64 is at least 2, and with LED filament 4 in a manner of hinged or welding
Establish electrical connection.The LED filament 4 is established in articulated manner in one end far from electric conductor 6 inside shielding casing 2 and is electrically connected
It connects.
Specifically, forming two shunt circuits in the LED filament lamp.Conducting rod 641 and LED filament 4 and heat conducting bar 63
Junction 42 can be both electrically connected by articulated manner and physical connection, can be electrically connected by welding with
Physical connection, and preferably articulated manner is attached.In the present embodiment, since two LED filaments 4 form triangle
Structure, and be attached in junction 41 by articulated manner, the LED filament lamp is improved to the tolerance of vibration, is improved
The reliability of LED filament lamp.
Specifically, in the present embodiment, which is in the form of a column, and is arranged articulated mounting in the end at its both ends,
To connect multiple LED filaments 4 from beginning to end, and electrical connection and physical connection are established by hinged mode in junction.The LED light
Silk 4 forms at least one circuit inside shielding casing 2.Certainly, multiple LED filaments 3 can be accommodated in the shielding casing 2 and are passed through
Connection type hinged from beginning to end forms the electrical return of series, parallel or mixed connection.
Include 4 LED filaments 4 in the shielding casing 2 in Fig. 1, and forms two shunt circuits.Each LED filament
4 include LED chip and substrate, and packed material overall package is the luminescence unit of a column or strip.The LED filament
4 cross-sectional shape can be round, square or other shapes, and row's lens can be arranged on the surface of LED chip and (not show
Out), to improve the orientation projection of light.
The stem 61 is made of glass, and packaging conductive wire 62, and in solid cylindrical or can be in flat solid construction.?
In present embodiment, which is solid construction, and is made of the good metal of thermal conductivity.
In the present embodiment, the luminous shape of the LED filament 4 is V-shaped, and forms triangular structure with conducting rod 64；
Certainly, which is also configured to M shape, annular, cylindrical, the ellipsoid bodily form, cone shape or cylindrical, from
And be as far as possible filled closed cavity 20, to improve illumination effect, improve intensity of illumination.
Meanwhile joining shown in Fig. 1, in order to further increase luminous efficiency and radiating efficiency, connect in pedestal 1 and shielding casing 2
13 joint face of inner wall for meeting place coats transparent heat conductive silica gel.
Embodiment two:
To join shown in Fig. 2, the present embodiment and the main distinction of embodiment one are, in the present embodiment, multiple conducting rods
64 are located in the same plane, and are arranged radially.63 part of heat conducting bar is hollow structure.Column is formed inside stem 61
The hollow structure of shape cavity, the conducting wire 62 run through the cylindrical cavity 610.61 enclosed inside heat radiation protection gas of stem, it is described
Heat radiation protection gas by following volumes percentage gas composition: nitrogen: 10~20%；Methylene bromide: 0.5~1.5%；Inertia
Gas: 78.5~89.5%.
In the present embodiment, the effect of the heat radiation protection gas of above-mentioned special formulation can be joined described in embodiment one.Due to
Conducting wire 62, conducting rod 64 and heat conducting bar 63 are that the good metal of thermal conductivity is made, therefore, by cylindrical cavity
Package cooling protective gas in 610 can radiate to the heat for spreading to conducting wire 62, further decrease institute in shielding casing 2
The temperature of the LED filament 4 of accommodating, and the operating temperature of driving circuit packaged in pedestal 1 is reduced, thus to entire LED
Filament lamp plays better heat dissipation effect.
Meanwhile 2 material of shielding casing is to adulterate the synthetic resin of heat conducting nano particle, can guarantee shielding casing in this way
Possess preferable thermal conductivity while 2 light transmission itself, so that LED filament lamp is accelerated to radiate in a short time.Preferably, the masking
It is additionally provided with macromolecule membrane layer outside shell 2, macromolecule membrane layer is covered in the outer surface of shielding casing 2, can make LED in this way
Filament lamp has the effect of dust-proof, waterproof.
Embodiment three:
Join shown in Fig. 3 and Fig. 4, the present embodiment and the main distinction of embodiment one and/or embodiment two are, in this implementation
In mode, four LED filaments 4 and shape that join end to end and be attached by articulated manner are equipped in the shielding casing 2
At a series loop, and it is configured as M shape.
Wherein, it is fixedly connected between intermediate two LED filaments 4 and heat conducting bar 63 by articulated manner, and in heat conducting bar 63
Pivoting support 44 and heat conducting bar 63 it is insulated from each other.It the junction 42 of the LED filament 4 at head and the tail both ends and heat conducting bar 673 both can be with
It is electrically connected and physical connection, can be electrically connected by welding and physical connection by articulated manner, and is excellent
Articulated manner is selected as to be attached.
This example please join described above with identical technical solution in one and/or embodiment two is implemented, and details are not described herein.
Example IV:
Present embodiment discloses a kind of lighting device, and specifically includes lamp holder, including at least one embodiment one is to reality
A kind of LED filament lamp disclosed in example three is applied, the LED filament lamp is flexibly connected with lamp holder, and is the LED filament by lamp holder
Lamp input dc power or alternating current.The lighting device includes but is not limited to ceiling lamp, Landscape Lamp.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
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 other specific forms.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 all by what is fallen within the meaning and scope of the equivalent elements of the claims
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 (20)
1. a kind of LED filament lamp characterized by comprising shielding casing (2), the closing masking shell of filling heat radiation protection gas
The pedestal (1) of body (2) bottom opening, the electric conductor (6) drawn from pedestal (1), and the LED hair being electrically connected with electric conductor (6)
Body of light (3)；At least contain methylene bromide in the heat radiation protection gas.
2. LED filament lamp according to claim 1, which is characterized in that the heat radiation protection gas includes nitrogen, dibromo first
Alkane gas and inert gas.
3. LED filament lamp according to claim 2, which is characterized in that the heat radiation protection gas is by following volumes percentage
The gas composition of ratio:
Nitrogen: 10~20%；
Methylene bromide: 0.5~1.5%；
Inert gas: 78.5~89.5%.
4. LED filament lamp according to claim 2 or 3, which is characterized in that the heat radiation protection gas is by following volumes hundred
Divide the gas composition of ratio:
Nitrogen: 20%；
Methylene bromide: 1.5%；
Inert gas: 78.5%.
5. LED filament lamp according to claim 2 or 3, which is characterized in that the inert gas is selected from helium, argon gas, neon
The mixed gas of one of gas or xenon or two or more arbitrary proportions.
6. LED filament lamp according to claim 5, which is characterized in that the air pressure in the shielding casing (2) be greater than or
Equal to one standard atmospheric pressure.
7. LED filament lamp according to claim 5, which is characterized in that the illuminator (3) is by direct with electric conductor (6)
The multiple groups LED filament (4) of electrical connection forms, and the LED filament (4) is in the broken line shape continuously arranged.
8. LED filament lamp according to claim 7, which is characterized in that the LED filament (4) is internal in shielding casing (2)
Electrical connection is established in articulated manner in one end far from electric conductor (6).
9. LED filament lamp according to claim 7, which is characterized in that the LED filament (4) is internal in shielding casing (2)
Form at least one circuit.
10. LED filament lamp according to claim 9, which is characterized in that the luminous shape of the LED filament (4) is V-shaped,
M shape, annular, cylindrical, the ellipsoid bodily form, cone shape or cylindrical.
11. LED filament lamp according to claim 5, which is characterized in that the electric conductor (6) includes by pedestal (1) part
The stem (61) of encapsulation, is encapsulated in the conducting wire that stem (61) is internal and is electrically connected with the positive and negative anodes of pedestal (1) at heat conducting bar (63)
(62) and at least one conducting rod (64) for being electrically connected with LED filament (4).
12. LED filament lamp according to claim 11, which is characterized in that the heat conducting bar (63) is solid construction.
13. LED filament lamp according to claim 11, which is characterized in that the heat conducting bar (63) is partially hollow structure.
14. LED filament lamp described in 2 or 13 according to claim 1, which is characterized in that the quantity of the conducting rod (64) is extremely
Less it is 2, and is established and be electrically connected in a manner of hinged or welding with LED filament (4).
15. LED filament lamp according to claim 14, which is characterized in that multiple conducting rods (64) are located at approximately the same plane
The setting of interior and radial or parallel misalignment.
16. LED filament lamp according to claim 14, which is characterized in that be in flat solid knot inside the stem (61)
Structure.
17. LED filament lamp according to claim 14, which is characterized in that form cylindrical cavity inside the stem (61)
Hollow structure, the conducting wire (62) run through the cylindrical cavity；
Stem (61) the enclosed inside heat radiation protection gas, the heat radiation protection gas by following volumes percentage gas group
At:
Nitrogen: 10~20%；
Methylene bromide: 0.5~1.5%；
Inert gas: 78.5~89.5%.
18. LED filament lamp according to claim 14, which is characterized in that the pedestal (1) connect with shielding casing (2)
The inner wall joint face at place coats transparent heat conductive silica gel.
19. LED filament lamp according to claim 14, which is characterized in that the shape of the shielding casing (2) be A- type,
G- type, R- type, PAR- type, T- type or candle type；The pedestal (1) is E40, E27, E26, E14 or GU.
20. a kind of lighting device, which is characterized in that including lamp holder, including at least one is such as claim 15 to claim 19
Any one of described in LED filament lamp, the LED filament lamp is flexibly connected with lamp holder, and is that the LED filament lamp is defeated by lamp holder
Enter direct current or alternating current.
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| CN201611245075.1A CN106594543B (en) | 2016-12-29 | 2016-12-29 | A kind of LED filament lamp and its lighting device |
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| CN109163317A (en) * | 2018-07-27 | 2019-01-08 | 五邑大学 | A method of the heat dissipation of LED filament lamp and luminescent properties are improved with helium |
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| CN106051509A (en) * | 2016-05-31 | 2016-10-26 | 厦门蓝水电子有限公司 | Method for gas filling for LED filament bulb |
| CN106090663A (en) * | 2016-07-20 | 2016-11-09 | 山东晶泰星光电科技有限公司 | A kind of LED lamp with built-in power source silk lamp with thermal-radiating material |
| CN106247191A (en) * | 2016-08-17 | 2016-12-21 | 江苏银晶光电科技发展有限公司 | Led street lamp |
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