CN102767711A - LED tube and LED bulb - Google Patents
LED tube and LED bulb Download PDFInfo
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- CN102767711A CN102767711A CN2012102104006A CN201210210400A CN102767711A CN 102767711 A CN102767711 A CN 102767711A CN 2012102104006 A CN2012102104006 A CN 2012102104006A CN 201210210400 A CN201210210400 A CN 201210210400A CN 102767711 A CN102767711 A CN 102767711A
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Abstract
The invention relates to an LED tube and an LED bulb. The LED tube comprises a lamp barrel and at least two LED components. The lamp barrel can diffuse light, and the LED components are arranged on the inner wall of the lamp barrel through radiating structures. Lighting surfaces of the LED components face the central axis of the lamp barrel, and reflecting surfaces for reflecting light of the LED components are arranged on the radiating structures. The LED components fixed on the inner wall of the lamp barrel through the radiating structures can independently radiate and is good in radiating capacity. The reflecting surfaces on the radiating structures allow the LED tube to emit light for 360 DEG, an LED point light source is avoided, and accordingly light emitting of the whole lamp is uniform, dizziness is prevented, and a light emitting angle is increased while light loss is reduced.
Description
Technical field
The present invention relates to lighting field, more particularly, relate to a kind of LED fluorescent tube and LED bulb.
Background technology
Along with the continuous lifting of LED lighting engineering and perfect, advantages such as the energy-conservation and environmental protection of LED more and more receive liking of people and approve.Therefore the LED illumination is also just come into huge numbers of families with paces fast.
The LED fluorescent tube is a main light source of room lighting; Compare with the traditional fluorescent lamp pipe and to have energy-conserving and environment-protective safety and do not have advantages such as stroboscopic and long-life; But lighting angle is less relatively; Light is stronger, and is more dazzling, so LED lamp (tool) size and the inhomogeneity quality of light that bubble out angular becomes and influence the two big principal elements that the LED fluorescent tube replaces traditional fluorescent tube.
Tradition LED bulb led light source is arranged on ball cover inside, and thermal column is arranged on the lampshade inside of complete closed, and is therefore effective inadequately to the cooling of LED, because the LED of work is relative poor efficiency under the high temperature, thereby causes this bulb to have low relatively efficient.Further; The led light source heat of conventional bulb must be passed to the heat radiation shell through thermal column and be transferred to the bulb outside again; Part thermal column and heat radiation shell have the structure of relative complex; Also have through using fillers such as liquid to offset and dispel the heat shell, but relative cost and production are complicated in the adverse effect aspect the heat conduction.
The patent No. is the implementation that 200920057778.0 Chinese patent discloses a kind of energy-conservation high light modulation pipe of LED of 360 degree bright dippings; But the thermal source of all LED all accumulates on the polygon pipe in this kind mode, and heat is difficult for shedding, the luminous flux of the whole lamp of influence; Be fixed on the polygon pipe owing to needing to organize LED lamp bar simultaneously more; The LED lamp bar that easy damage has installed in the new LED lamp bar process of assembling, and, receive the restriction of fluorescent tube size because the polygon pipe is positioned at the fluorescent tube center; Be easy to see the LED spot light, bright dipping is inhomogeneous.
The patent No. is that 200920056813.7 Chinese patent discloses the special-purpose fluorescent tube of a kind of LED double-faced lamp; Be provided with the LED light emitting diode through the wiring board two sides and make that nearly 360 ° of scopes can shine around the lamp body; But the lighting angle of LED self less relatively (generally 120 degree) in the prior art, the both sides light of light source board can be very a little less than, and the heat that is shed between the upper and lower surface LED all can influence each other; Heat occurs and liquidate, make radiating effect fall greatly.
Summary of the invention
The technical problem that the present invention will solve is, to the above-mentioned defective of prior art, a kind of LED fluorescent tube and LED bulb is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of LED fluorescent tube; Comprise that the lamp tube that can spread light, at least two evenly are arranged on the LED assembly on the said lamp tube internal face through radiator structure; The light-emitting area of said LED assembly is towards the axis of said lamp tube, and said radiator structure is provided with the reflecting surface that is used to reflect the light that said LED assembly sends.
LED fluorescent tube of the present invention, wherein, said radiator structure comprises that the length direction of the said lamp tube in edge is slidably disposed on the heat sink strip on the said lamp tube inwall, said heat sink strip is set with said LED assembly towards the surface at said lamp tube center.
LED fluorescent tube of the present invention; Wherein, On the inwall of said lamp tube, the position corresponding with each said heat sink strip all convex with sliver; Said heat sink strip is provided with and the concavo-convex guide groove that cooperates of said sliver, and said heat sink strip was slidingly arranged on the inwall of said lamp tube through said guide groove and cooperating of sliver.
LED fluorescent tube of the present invention; Wherein, the cross section of said heat sink strip is the fan ring-type, and the internal face of its end face and said lamp tube is fitted; The bottom surface is concaved with the stationary plane that is used to install said LED assembly, and both sides are respectively equipped with the said reflecting surface that is used to reflect the light that said LED assembly sends.
LED fluorescent tube of the present invention, wherein, this LED fluorescent tube also comprises the hollow reflecting pole that is arranged in the said lamp tube, and said reflecting pole comprises the reflecting pole by the direct injection molded of high reflecting material, and perhaps its outer surface covers the reflecting pole of high reflecting material.
LED fluorescent tube of the present invention wherein, is provided with driving power in the said reflecting pole, and said LED assembly and said driving power electrically connect.
LED fluorescent tube of the present invention, wherein, the two ends of said lamp tube are equipped with blanking cover, and said blanking cover is provided with the snap fit tabs that the inner surface configuration with said reflecting pole is complementary towards the inner surface of said lamp tube.
LED fluorescent tube of the present invention wherein, also is evenly equipped with support bar on the outer circumference surface of said reflecting pole, said support bar is convexly set in the outer circumference surface of said reflecting pole, and the contacted inner surfaces of said support bar and said lamp tube connects.
Another technical scheme that the present invention solves its technical problem employing is: construct a kind of LED bulb; Comprise lamp socket, vertically be arranged on the LED assembly on the said lamp socket and be located at lamp tube on the said lamp socket, that can spread light through radiator structure; The light-emitting area of said LED assembly is towards the axis of said lamp tube, and said radiator structure is provided with the reflecting surface that is used to reflect the light that said LED assembly sends.
LED bulb of the present invention; Wherein, Said radiator structure comprises heat sink strip; Said heat sink strip is provided with the stationary plane that is used for fixing said LED assembly towards a side at said lamp tube center, and opposite side on the other side offers the heat radiation groove, and its side that is positioned at said lamp socket circumferential direction is provided with said reflecting surface.
LED bulb of the present invention, wherein, the periphery of said lamp socket end face is evenly equipped with said LED assembly, offers the bar v notch v that is used to hold said LED assembly on the said lamp tube, the bottom margin of said lamp tube and said lamp socket clamping.
LED bulb of the present invention, wherein, the bottom margin of said lamp tube is provided with anti-L shaped colluding, and said lamp socket end face is provided with and said anti-L shaped L shaped the colluding of falling that cooperates of colluding, and said lamp tube anti-L shapedly colludes with said to fall L shaped cooperating and said lamp socket clamping of colluding through said.
The LED fluorescent tube of embodiment of the present invention and LED bulb; Have following beneficial effect: the light diffusion function through reflecting surface on the radiator structure and lamp tube can make the LED fluorescent tube realize 360 degree bright dippings; Avoided the appearance of LED spot light, made whole lamp bright dipping even, and prevent to dazzle the eyes; When increasing rising angle, reduce fiber-loss, improved the brightness of fluorescent tube.
On the other hand, the LED assembly that radiator structure is fixed on the tube inner wall face can be realized independent heat radiation, and reflecting pole also has heat sinking function, has increased area of dissipation greatly, has promoted the light fixture heat-sinking capability.Directly contact with air for LED bulb heat radiation bar, make the led light source heat directly be transferred to the bulb outside through heat sink strip, the lampshade space increases simultaneously; Cause area of dissipation to increase; Solved in the prior art because ball cover seals the transmission of heat multilayer, the problem that heat transfer efficiency is low.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of a kind of LED fluorescent tube first embodiment of the present invention;
Fig. 2 is the installation diagram of LED assembly and radiator structure among a kind of LED fluorescent tube first embodiment of the present invention;
Fig. 3 is the section of LED assembly and radiator structure among a kind of LED fluorescent tube first embodiment of the present invention;
Fig. 4 is the profile of a kind of LED fluorescent tube first embodiment of the present invention;
Fig. 5 is the structural representation of a kind of LED fluorescent tube second embodiment of the present invention;
Fig. 6 is the profile of a kind of LED fluorescent tube second embodiment of the present invention;
Fig. 7 is the index path of a kind of LED fluorescent tube first embodiment of the present invention;
Fig. 8 is the index path of a kind of LED fluorescent tube second embodiment of the present invention;
Fig. 9 is the structural representation of a kind of LED bulb of the present invention preferred embodiment;
Figure 10 is the structure broken away view of a kind of LED bulb of the present invention preferred embodiment;
Figure 11 is the installation diagram of lamp socket, radiator structure and LED assembly in a kind of LED bulb of the present invention preferred embodiment;
Figure 12 is the structure broken away view of Figure 11 in a kind of LED bulb of the present invention preferred embodiment;
Figure 13 is the cross sectional view of a kind of LED bulb of the present invention preferred embodiment;
Figure 14 is the longitudinal section profile of a kind of LED bulb of the present invention preferred embodiment;
Figure 15 is the enlarged drawing at A position among a kind of LED bulb of the present invention preferred embodiment Figure 14.
The specific embodiment
Shown in Fig. 1-2; In the first embodiment of the present invention; This LED fluorescent tube comprises light-permeable and the lamp tube that can spread light 100, at least two evenly are arranged on the LED assembly 200 on lamp tube 100 internal faces through radiator structure; The light-emitting area of this LED assembly 200 is towards the axis of lamp tube 100, and radiator structure is provided with the reflecting surface 301 that is used to reflect LED assembly 200 light.LED assembly 200 is to be evenly distributed on the internal face of lamp tube 100, and is certain angle each other, and for example, when three LED assemblies 200, three LED assemblies 200 are 120 degree angles mutually.Reflecting surface 301 on the radiator structure can increase the beam angle of LED assembly 200; Simultaneously lamp tube 100 can carry out the light diffusion to light, makes the LED fluorescent tube realize 360 degree full angle bright dippings, and radiator structure is to be fixed on the inner surface of lamp tube 100; Each LED assembly 200 all has a radiator structure; Be that each LED assembly 200 all is independent the heat radiation, therefore can improve the heat-sinking capability of light fixture greatly, thereby can realize the brightness of illumination requirement of higher power designs and Geng Gao.
Preferably, above-mentioned radiator structure can adopt along the length direction of lamp tube 100 and be slidingly arranged in the heat sink strip 300 on lamp tube 100 inwalls, and this heat sink strip 300 is set with above-mentioned LED assembly 200 towards the surface at lamp tube 100 centers.Heat sink strip 300 is slidably disposed on the installation and removal that help LED assembly 200 on lamp tube 100 inwalls, and in unloading process, can influence other LED assembly 200.
Further; Shown in Fig. 3-4; On the inwall of lamp tube 100, all convex with sliver 101 with each heat sink strip 300 corresponding position; Then be provided with on the heat sink strip 300 and the sliver 101 concavo-convex guide grooves that cooperate 303, heat sink strip 300 is formally through on the inwall that is slidingly arranged in guide groove 303 and cooperating of sliver 101 lamp tube 100.The sliding matching structure of heat sink strip 300 and lamp tube 100 can also have multiple, is not limited to the concrete structure that present embodiment provides.
As shown in Figure 3; In the present embodiment; The cross section of above-mentioned heat sink strip 300 is the fan ring-type, i.e. complete fan-shaped part of having been clipped, and this shape can be fitted with the internal face of lamp tube 100 better; And be concaved with the stationary plane (figure does not illustrate with label) that is used for installing LED assembly 200 in the bottom surface towards lamp tube 100 centers, both sides then are respectively equipped with the above-mentioned reflecting surface 301 that is used to reflect LED assembly 200 light.LED assembly 200 can be fixed on the stationary plane of heat sink strip 300 through screw.Above-mentionedly can adopt lamp tube, also can adopt the lamp tube that is coated with one deck photodiffusion material on the madial wall the lamp tube 100 that light spreads by photodiffusion material and base material integrated injection molding.Wherein photodiffusion material can adopt fluorescent material or light spread powder, and base material can be plastics or glass.Reflecting surface 301 can carry out total reflection and diffuse reflection to the light that led light source sends, thereby makes light softer, when increasing angle, can reduce fiber-loss to greatest extent, promotes the brightness of fluorescent tube and the soften of bright dipping.
Further, above-mentioned LED assembly 200 comprises the LED wiring board and is arranged on the led light source on the LED wiring board.And the two ends of lamp tube 100 also are provided with blanking cover 600, also need add water proof ring at the two ends of blanking cover 600 usually, thereby make this LED fluorescent tube have water-proof function.The index path of this LED fluorescent tube is as shown in Figure 6, can be found out by Fig. 6, and this LED fluorescent tube has realized that 360 degree are luminous, and has avoided the appearance of LED spot light.
As shown in Figure 5, in the second embodiment of the present invention, each part of this LED fluorescent tube is identical with a last embodiment with function; Different is, this LED fluorescent tube also comprises the hollow reflecting pole 400 that is arranged in the lamp tube 100, and this reflecting pole 400 can be by the direct injection mo(u)lding of high reflecting material; Also can cover a floor height reflector layer at its outer surface; Draw rational reflecting surface through optical design, can make reflecting effect become very desirable, further promote the luminous effect of 360 degree.The introducing of reflecting pole 400, in reflection ray, the light that LED assembly 200 is sent is softer, prevents that light from dazzling the eyes, and the index path of the LED fluorescent tube among this embodiment is as shown in Figure 7.
Because reflecting pole 400 is hollow, therefore can driving power 500 be arranged in the reflecting pole 400, make LED assembly 200 and driving power 500 electrically connect.Driving power 500 is placed in the reflecting pole 400, has reasonably utilized the space, make the mechanism of LED fluorescent tube compact more.
Identical with first embodiment is; The two ends of lamp tube 100 also are provided with blanking cover 600; But owing to increased reflecting pole 400 in this embodiment; For fixing reflecting pole 400, on the inner surface of lamp tube 100, be provided with the snap fit tabs 601 that the inner surface configuration with reflecting pole 400 is complementary at blanking cover 600.When mounted, fixing to reflecting pole 400 can be accomplished in the inside that the snap fit tabs 601 of blanking cover 600 is inserted into reflecting pole 400, can also reinforce through screw simultaneously.
As shown in Figure 6, also be evenly equipped with support bar 401 on the outer circumference surface of above-mentioned reflecting pole 400, this support bar 401 is convexly set in the outer circumference surface of reflecting pole 400, and the contacted inner surfaces of support bar 401 and lamp tube 100 connects.This support bar 401 can be reinforced the bulk strength of LED fluorescent tube, makes the structure of whole fluorescent tube more stable.In this embodiment, the bright dipping figure of LED fluorescent tube is as shown in Figure 8, and is identical with a last embodiment, and this LED fluorescent tube can realize that 360 degree are luminous, and does not have the LED spot light.
Shown in Fig. 9-12; In the preferred embodiment of a kind of LED bulb of the present invention, this LED bulb comprises lamp socket 10, vertically is arranged on the LED assembly 30 on the said lamp socket 10 and is located at lamp tube 40 on the lamp socket 10, that can spread light through radiator structure 20.The light-emitting area of LED assembly 30 is towards the axis of lamp tube 40, and radiator structure 20 is provided with the reflecting surface 21 that is used to reflect the light that LED assembly 30 sends.Identical with last two embodiment is; LED assembly 30 still comprises wiring board and fixes a plurality of led light sources in the circuit board; Lamp tube 40 can spread the light that led light source sends; This lamp tube 40 can adopt the lamp tube by photodiffusion material and base material integrated injection molding, also can adopt the lamp tube that is coated with one deck photodiffusion material on the madial wall.Wherein photodiffusion material can adopt fluorescent material or light spread powder, and base material can be plastics or glass.
Reflecting surface 21 on the radiator structure 20 can increase the beam angle of LED assembly 30; Lamp tube 40 can carry out the light diffusion to light simultaneously; Make the LED bulb realize 360 degree full angle bright dippings, each LED assembly 30 all has a radiator structure 20, and promptly each LED assembly 30 all is independent the heat radiation; Therefore the heat-sinking capability of light fixture can be improved greatly, thereby the brightness of illumination requirement of higher power designs and Geng Gao can be realized.
Preferably; Shown in figure 13; Above-mentioned radiator structure 20 can adopt heat sink strip; The side of heat sink strip towards lamp tube 40 centers is provided with the stationary plane (not illustrating with label among the figure) that is used for fixing said LED assembly 30, and opposite side on the other side offers heat radiation groove 22, and its side that is positioned at lamp socket 10 circumferential direction is provided with reflecting surface 21.Reflecting surface 21 can carry out total reflection and diffuse reflection to the light that led light source sends, thereby makes light softer, when increasing angle, can reduce fiber-loss to greatest extent, promotes the brightness of fluorescent tube and the soften of bright dipping.
In a preferred embodiment of the invention, the periphery of lamp socket 10 end faces is evenly equipped with above-mentioned LED assembly 30, correspondingly, offers the bar v notch v 41 that is used to hold said LED assembly 30 on the lamp tube 40, the bottom margin of lamp tube 40 and lamp socket 10 clampings.Lamp tube 40 can have a variety of with the snap fit of lamp socket 10; Provided a kind of comparatively simple mode among the present invention; Shown in Figure 14-15; The bottom margin of lamp tube 40 is provided with and anti-L shapedly colludes 42, lamp socket 10 end faces be provided with anti-L shaped collude 42 cooperates fall L shapedly to collude 11, lamp tube 40 through anti-L shaped collude 42 with fall L shaped 11 cooperate and lamp socket 10 clampings of colluding.Adopt this structure that lamp tube 40 and lamp socket 10 are connected together; Can improve the efficiency of assembling of bulb; And when LED assembly 30 breaks down, thereby can easily lamp tube 40 be pulled down LED assembly 30 is changed, and this replacing can not have influence on other LED assembly 30 yet.
Above embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement in view of the above, can not limit protection scope of the present invention.All equalizations of being done with claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (12)
1. LED fluorescent tube; It is characterized in that; Comprise that the lamp tube (100) that can spread light, at least two evenly are arranged on the LED assembly (200) on said lamp tube (100) internal face through radiator structure; The light-emitting area of said LED assembly (200) is towards the axis of said lamp tube (100), and said radiator structure is provided with the reflecting surface (301) that is used to reflect the light that said LED assembly (200) sends.
2. LED fluorescent tube according to claim 1; It is characterized in that; Said radiator structure comprises that the length direction of the said lamp tube in edge (100) is slidably disposed on the heat sink strip (300) on said lamp tube (100) inwall, and said heat sink strip (300) is set with said LED assembly (200) towards the surface at said lamp tube (100) center.
3. LED fluorescent tube according to claim 2; It is characterized in that; On the inwall of said lamp tube (100), the position corresponding with each said heat sink strip (300) all convex with sliver (101); Said heat sink strip (300) is provided with and the concavo-convex guide groove that cooperates of said sliver (101) (303), and said heat sink strip (300) was slidingly arranged on the inwall of said lamp tube (100) through said guide groove (303) and cooperating of sliver (101).
4. LED fluorescent tube according to claim 2; It is characterized in that; The cross section of said heat sink strip (300) is the fan ring-type; The internal face of its end face and said lamp tube (100) is fitted, and the bottom surface is concaved with the stationary plane that is used to install said LED assembly (200), and both sides are respectively equipped with the said reflecting surface (301) that is used to reflect the light that said LED assembly (200) sends.
5. according to each described LED fluorescent tube of claim 1-4; It is characterized in that; This LED fluorescent tube also comprises the hollow reflecting pole (400) that is arranged in the said lamp tube (100), and said reflecting pole (400) comprises the reflecting pole that is coated with high reflecting material by the reflecting pole of the direct injection molded of high reflecting material or its outer surface.
6. LED fluorescent tube according to claim 5 is characterized in that, is provided with driving power (500) in the said reflecting pole (400), and said LED assembly (200) electrically connects with said driving power (500).
7. LED fluorescent tube according to claim 5; It is characterized in that; The two ends of said lamp tube (100) are equipped with blanking cover (600), and said blanking cover (600) is provided with the snap fit tabs (601) that the inner surface configuration with said reflecting pole (400) is complementary towards the inner surface of said lamp tube (100).
8. LED fluorescent tube according to claim 5; It is characterized in that; Also be evenly equipped with support bar (401) on the outer circumference surface of said reflecting pole (400); Said support bar (401) is convexly set in the outer circumference surface of said reflecting pole (400), and the contacted inner surfaces of said support bar (401) and said lamp tube (100) connects.
9. LED bulb; It is characterized in that; Comprise lamp socket, vertically be arranged on the LED assembly on the said lamp socket and be located at lamp tube on the said lamp socket, that can spread light through radiator structure; The light-emitting area of said LED assembly is towards the axis of said lamp tube, and said radiator structure is provided with the reflecting surface that is used to reflect the light that said LED assembly sends.
10. LED bulb according to claim 9; It is characterized in that; Said radiator structure comprises heat sink strip; Said heat sink strip is provided with the stationary plane that is used for fixing said LED assembly towards a side at said lamp tube center, and opposite side on the other side offers the heat radiation groove, and its side that is positioned at said lamp socket circumferential direction is provided with said reflecting surface.
11. LED bulb according to claim 9 is characterized in that, the periphery of said lamp socket end face is evenly equipped with said LED assembly, offers the bar v notch v that is used to hold said LED assembly on the said lamp tube, the bottom margin of said lamp tube and said lamp socket clamping.
12. LED bulb according to claim 11; It is characterized in that; The bottom margin of said lamp tube is provided with anti-L shaped colluding, and said lamp socket end face is provided with and said anti-L shaped L shaped the colluding of falling that cooperates of colluding, and said lamp tube anti-L shapedly colludes with said to fall L shaped cooperating and said lamp socket clamping of colluding through said.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210400.6A CN102767711B (en) | 2012-06-25 | 2012-06-25 | LED tube and LED bulb |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210210400.6A CN102767711B (en) | 2012-06-25 | 2012-06-25 | LED tube and LED bulb |
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| CN102767711A true CN102767711A (en) | 2012-11-07 |
| CN102767711B CN102767711B (en) | 2015-05-13 |
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Cited By (5)
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| CN102954387A (en) * | 2012-12-07 | 2013-03-06 | 深圳市优信光科技有限公司 | LED (Light-Emitting Diode) fluorescent lamp |
| CN103867999A (en) * | 2014-02-20 | 2014-06-18 | 宝电电子(张家港)有限公司 | LED (light-emitting diode) lamp and lamp post for same |
| CN104913214A (en) * | 2014-03-14 | 2015-09-16 | 松下知识产权经营株式会社 | Lighting source and lighting device |
| CN109519860A (en) * | 2018-12-12 | 2019-03-26 | 海宁市鑫诚电子有限公司 | A kind of LED luminous flame component |
| CN110005994A (en) * | 2019-03-22 | 2019-07-12 | 海宁市鑫诚电子有限公司 | A kind of LED flame lamp using two-sided luminous flame component |
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| CN103867999A (en) * | 2014-02-20 | 2014-06-18 | 宝电电子(张家港)有限公司 | LED (light-emitting diode) lamp and lamp post for same |
| CN104913214A (en) * | 2014-03-14 | 2015-09-16 | 松下知识产权经营株式会社 | Lighting source and lighting device |
| CN104913214B (en) * | 2014-03-14 | 2018-05-22 | 松下知识产权经营株式会社 | Illumination light source and lighting device |
| CN109519860A (en) * | 2018-12-12 | 2019-03-26 | 海宁市鑫诚电子有限公司 | A kind of LED luminous flame component |
| CN110005994A (en) * | 2019-03-22 | 2019-07-12 | 海宁市鑫诚电子有限公司 | A kind of LED flame lamp using two-sided luminous flame component |
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| CN102767711B (en) | 2015-05-13 |
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