CN103256505A - Wide-angle LED lamp - Google Patents
Wide-angle LED lamp Download PDFInfo
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- CN103256505A CN103256505A CN2013101456286A CN201310145628A CN103256505A CN 103256505 A CN103256505 A CN 103256505A CN 2013101456286 A CN2013101456286 A CN 2013101456286A CN 201310145628 A CN201310145628 A CN 201310145628A CN 103256505 A CN103256505 A CN 103256505A
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Abstract
The invention discloses a wide-angle LED lamp. The wide-angle LED lamp comprises a lamp plate and a reflection cup, wherein both the inner surface of the reflection cup and the outer surface of the reflection cup can reflect light, the lower end of the reflection cup is arranged on the lamp plate, both the part, on the inner portion of the lower end of the reflection cup, of the lamp plate and the part, on the outer portion of the lower end of the reflection cup, of the lamp plate are provided with LED light sources. Due to the fact that the both the part, on the inner portion of the lower end of the reflection cup, of the lamp plate and the part, on the outer portion of the lower end of the reflection cup, of the lamp plate are provided with the LED light sources and the lamp plate is only one, on one hand, cost is guaranteed not to be increased and machining and assembling difficulty is also reduced, and on the other hand, heat dissipation paths of the wide-angle LED lamp are enough and a heat dissipation effect cannot be influenced. Light emitted by the LED light sources inside the reflection cup is reflected and refracted through the inner surface of the reflection cup, and therefore a light emitting angle is enlarged. Light emitted by the LED light sources outside the lower end of the reflection cup is reflected and refracted through the outer surface of the reflection cup so that the light emitting angle is further enlarged, and accordingly the wide-angle LED lamp is formed.
Description
Technical field
The present invention relates to the LED lighting technical field, particularly a kind of large-angle LED lamp.
Background technology
General LED bulb lamp is difficult to accomplish wide-angle, and its cell-shell is semicircle, so angle is no more than 200 ° substantially.
The design of existing large-angle LED lamp generally is the multiaspect shape pedestal that a protrusion is set at radiator, and LED lamp pearl is attached on the aluminium lamp plate more than three or three, the aluminium lamp plate is fitted on the different lateral of multiaspect shape pedestal again.Though this design can be done angle greatly, will be poor aspect heat radiation, general LED bulb lamp is little because it dispels the heat sectional area ratio; Make a plurality of aluminium lamp plates in addition, can increase material cost, also can increase assembly difficulty at assembling stage, thereby increased cost of labor.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, the large-angle LED lamp that a kind of cost is lower, assembling is simple, the while can increase lighting angle again is provided.
Technical scheme of the present invention is achieved in that
A kind of large-angle LED lamp comprises the reflector that lamp plate and inside and outside surface all can be reflective, and the lower end of reflector is arranged on the lamp plate, and is equipped with led light source at the inside and outside lamp plate in reflector lower end.
As preferably, the cross-sectional area of reflector lower end is less than the cross-sectional area of reflector upper end, and by the reflector lower end to the upper end, the cross-sectional area of reflector increases gradually.
As preferably, the upper end open of reflector or lens are housed in the reflector upper end, the lower ending opening of reflector or lens are housed in the reflector lower end.Can further install lens according to actual needs additional, increase lighting angle.
As preferably, described lamp plate is a monoblock lamp plate or is spliced by the polylith lamp plate.Can satisfy various illumination needs.
As preferably, described reflector integral body is to be rotated a circle around a vertical center axis through center, reflector lower end by a curve to form.Can reach better reflecting effect.
As preferably, circumferentially evenly be provided with a plurality of glasss of lobes at the reflector upper end edge, form breach between the adjacent cup lobe in twos.The purpose of breach is set, be because if there are cell-shell or lampshade in LED lamp reflector outside, on some specific cell-shells or lampshade, although the distribution curve flux of lamp is no problem, but may produce a circle dark space on cell-shell or the lampshade, breach is set, the part luminous energy of reflector external LED light source is seen through, solve issuable dark space on cell-shell or the lampshade.
As preferably, circumferentially have the loophole of a plurality of hollow outs in the wall of cup upper edge of the close upper end of reflector.The purpose of loophole is set, and is the luminous intensity distribution performance for the further LED of optimization, makes the part light reflection of reflector external LED light source, and the transmission of part light makes led light source more even in the light intensity of all directions.The cell-shell that may arrange or the more uniform effect of lampshade surface brightness that make the outside are also arranged simultaneously.
As preferably, from top to bottom described reflector is to be connected to form by the multistage cup, the bus of reflector is broken line, every section cup is again along the circumferential direction to be connected to form successively by a plurality of curved slabs, cross section, the longitudinal section of curved slab are arc, and every curved slab all is to the bending of reflector center by the outside.Such mode, the led light source that is suitable for the reflector outside is scattered in several blocks, namely except equally distributed situation on the rim of a cup circumference of reflector outer, each led light source block is corresponding with the curved slab of reflector, can obtain at the more uniform luminous intensity distribution of spatial distribution or other luminous intensity distribution.
As preferably, from top to bottom described reflector is to be connected to form by 2 sections cups.
As preferably, from top to bottom described reflector is to be connected to form by the multistage cup, and the bus of reflector is broken line, and every section cup is again along the circumferential direction to be connected to form successively by a plurality of trapezoidal plates.Equally, such mode, the led light source that also is suitable for the reflector outside is scattered in several blocks, namely except equally distributed situation on the rim of a cup circumference of reflector outer, each led light source block is corresponding with the trapezoidal plate of reflector, can obtain at the more uniform luminous intensity distribution of spatial distribution or other luminous intensity distribution.
As preferably, from top to bottom described reflector is to be connected to form by 2 sections cups.
As preferably, described LED lamp comprises lamp body, is provided with the lamp socket that protrudes from the lamp body upper surface on lamp body top, and described lamp plate is arranged on the lamp socket end face.Such structure has been raised lamp plate and the reflector height on lamp body, makes its irradiating angle of further increase.
As preferably, described LED lamp comprises power shell, and described lamp body inside is hollow structure, and lamp body and power shell connect together.
As preferably, described lamp socket outer contour shape is any shape in polyhedron, cylinder or the Rotary-table.Lamp socket adopts above-mentioned three-dimensional shape, can enlarge the lighting angle of whole lamp, reaches the illuminating effect that is similar to incandescent lamp.
As preferably, described lamp socket outer contour shape is Rotary-table.Adopt the lamp socket of cone cylinder body shape, thereby be convenient to processing.
As preferably, to buckle at lamp socket and to be provided with a reflection shield that is complementary with its shape, size, the equal opening in two ends up and down of reflection shield, lamp plate are in the opening of reflection shield upper end.Reflection shield can reflect away the light of scattering on the cell-shell, prevents light leak, further increases lighting angle.
For making integral body more attractive in appearance, be convenient to assembling, as preferably, the shape of lamp plate, size are complementary with opening shape, size on the reflection shield.
As preferably, the inside of lamp socket is hollow structure, and lamp socket is inner connects with lamp body inner maintenance.The accommodation space of power shell can be increased like this, thereby the volume of whole lamp can be reduced.
As preferably, described lamp body is a radiator, on the outer surface of radiator, along the circumferential direction be evenly distributed with the fin of a plurality of vertical settings, described fin extends and exceeds the bottom surface of radiator to deviating from the lamp socket direction, the following fin in radiator bottom surface surrounds a containing cavity, and form the louvre that communicates with containing cavity between the following adjacent fin in twos in radiator bottom surface, power shell is plugged in the containing cavity.Thus, the present invention separates power supply with radiator; Fin extends and exceeds the bottom surface of radiator downwards, be the equal of that radiator is done weak point, the radiator inwall that is about to wrap power shell removes a part, make and expose power shell, the heat radiating mode that makes power supply from before the radiator that is transmitted to be directly delivered to the air till now, thereby improved radiating effect, guaranteed the life-span of power supply; And a plurality of louvres have been formed at the radiator bottom simultaneously, have therefore had certain the air gap, and making has increased air thermal convection current intensity, and the radiator heat-dissipation effect is strengthened, and have reduced radiator and led light source temperature, have delayed the light decay of led light source.
As preferably, leave the gap between described power shell and the fin.Power shell does not contact with fin, and the heat of having avoided fin to carry is directly delivered on the power shell, and has increased the heat-dissipating space of power shell.
As preferably, described LED lamp comprises cell-shell, and the longitudinal section of cell-shell is greater than semicircular circular arc.
Adopted design philosophy of the present invention and the beneficial effect of technique scheme to be:
The present invention is that the lower end with reflector be located on the lamp plate, and the lamp plate inside and outside in the reflector lower end is equipped with led light source, and lamp plate still has only one, so both guaranteed that cost did not increase, reduced the process and assemble difficulty again, another aspect is that its heat dissipation path is enough, can not influence the effect of heat radiation.The light that the led light source of reflector inside sends reflects, reflects through the reflector inner surface, thereby increases rising angle; The light that the led light source of outside, reflector lower end sends reflects, reflects through the reflector outer surface, further increases rising angle, thus LED lamp that wide-angle is luminous of whole formation.
Moreover, cell-shell of the present invention is greater than hemispherical, cooperate its internal illumination structure again, make its lighting angle can reach 300 °, be to be provided with a lamp socket that protrudes from lamp body at the lamp body upper surface in addition, lamp plate and reflector are installed on the lamp socket end face, and lamp plate and the height of reflector on lamp body have been raised in the setting of lamp socket, make its irradiating angle of further increase.
Moreover, leaving the gap between power shell of the present invention and the fin, power shell does not contact with fin, and the heat of having avoided fin to carry is directly delivered on the power shell, and has increased the heat-dissipating space of power shell.
Description of drawings
Fig. 1 is the planar structure schematic diagram of LED lamp in the embodiment of the invention 1;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the explosive view of LED lamp among the embodiment 1;
Fig. 4 is the explosive view of another angle of LED lamp among the embodiment 1;
Fig. 5 is the perspective view of lamp body in the LED lamp among the embodiment 1;
Fig. 6 is the planar structure schematic diagram of embodiment 1 lamp body;
Fig. 7 is the cutaway view of Fig. 6;
Fig. 8 is the perspective view of reflector among the embodiment 1;
Fig. 9 is the perspective view of reflector among the embodiment 2;
Figure 10 is the use state diagram of reflector among the embodiment 2;
Figure 11 is the perspective view of reflector among the embodiment 3;
Figure 12 is the perspective view of reflector among the embodiment 4;
Figure 13 is the perspective view of reflector among the embodiment 5;
Figure 14 is the use state diagram of reflector among the embodiment 5;
Figure 15 is the perspective view of reflector among the embodiment 6;
Figure 16 is the perspective view of reflector among the embodiment 7;
Figure 17 is the perspective view of another angle of reflector among the embodiment 7;
Figure 18 is the perspective view of reflector among the embodiment 8;
Figure 19 is the planar structure schematic diagram of reflector among the embodiment 8.
The specific embodiment
The specific embodiment of the present invention is as follows:
Embodiment 1: shown in Fig. 1～7, a kind of large-angle LED lamp, comprise lamp holder 1, lamp body 2, power shell 3 and cell-shell 4, described lamp body 2 is Aluminium Radiator or the radiator of being made by other materials such as heat-conducting plastic, potteries, described lamp body 2 inside are hollow structure, lamp body 2 connects together with power shell 3, and power shell 3 is made by heat-conducting plastic, effectively distribute heat; Be provided with the lamp socket 5 that protrudes from lamp body 2 upper surfaces on lamp body 2 tops, the longitudinal section of cell-shell 4 is greater than semicircular circular arc, and the opening part of cell-shell 4 is installed on the periphery of lamp body 2 upper surfaces.
Described lamp socket 5 outer contour shapes can be any shape in polyhedron, cylinder or the Rotary-table, in the present embodiment, described lamp socket 5 outer contour shapes are Rotary-table, and lamp socket 5 is formed in one with lamp body 2, upper surface at lamp socket 5 is equipped with lamp plate 6, and described lamp plate 6 is aluminium base.Buckle at lamp socket 5 and to be provided with a reflection shield 8 that is complementary with its shape, size, the equal opening in two ends up and down of reflection shield 8; The opening of reflection shield 8 upper ends has exposed the upper surface of lamp socket 5, and lamp plate 6 is arranged in the opening of reflection shield 8 upper ends, and opening shape, the size of the shape of lamp plate 6, size and reflection shield 8 upper ends are complementary, and in the present embodiment, lamp plate 6 is circular.
The light that the led light source 9 of reflector 7 inside sends reflects, spreads to provide illumination to the cell-shell front space through reflector 7 inner surface, the light that the led light source 9 of reflector 7 outsides sends provides illumination through the reflection of reflector 7 outer surfaces, diffusion to the space around the cell-shell, and some light reflexes to the lamp socket sidepiece through cell-shell, this part light reflects away through reflection shield 8 again, further improve lighting angle, prevented the generation of light leakage phenomena.The lighting angle of the whole large-angle LED lamp of the present invention is about 300 degree thus, can reach the standard of Energy Star, compares with luminous 180 degree of traditional LED lamp to have bigger coverage rate, and almost the angle with incandescent lamp is consistent.
As Fig. 2, shown in Figure 7, the inside of lamp socket 5 is hollow structure, and lamp socket 5 inner spaces and lamp body 2 inner spaces keep connecting, lamp socket 5 protrudes lamp body 2 upper surfaces and the design of lamp socket 5 hollow structure inside makes the accommodation space that has increased power supply, large-angle LED lamp body of the present invention can be amassed on the one hand and dwindle, can make power work more stable on the other hand.
Shown in Fig. 2, Fig. 5～7, on the outer surface of lamp body 2, along the circumferential direction be evenly distributed with the fin 10 of a plurality of vertical settings, described fin 10 extends and exceeds the bottom surface of lamp body 2 downwards, the following fin 10 in lamp body 2 bottom surfaces surrounds a containing cavity 11 that communicates with lamp body 2 inside, and form the louvre 12 that communicates with containing cavity 11 between the following adjacent fin 10 in twos in lamp body 2 bottom surfaces, power shell 3 is plugged in containing cavity 11 and lamp body 2 volume inside.The external diameter of described power shell 3 makes and leaves gap 13 between power shell 3 and the fin 10 less than the internal diameter of containing cavity 11.Power shell 3 does not contact with fin 10, and the heat of having avoided fin 10 to carry is directly delivered on the power shell 3, and has increased the heat-dissipating space of power shell 3.
Embodiment 2: as Fig. 9, shown in Figure 10, the difference of present embodiment and embodiment 1 is, circumferentially evenly is provided with a plurality of glasss of lobes 14 at reflector 7 upper end edges, forms breach 15 between the adjacent cup lobe 14 in twos.The purpose that breach is set is because if there are cell-shell or lampshade in LED lamp reflector outside, on some specific cell-shells or lampshade, although the distribution curve flux of lamp is no problem, but may produce a circle dark space on cell-shell or the lampshade, breach 15 is set, the part luminous energy of reflector 7 external LED light sources 9 is seen through, solve issuable dark space on cell-shell or the lampshade.
Embodiment 3: the difference of present embodiment and embodiment 2 is that as shown in figure 11, cup lobe 14 is more more elongated, and corresponding breach 15 is also more elongated.
Embodiment 4: the difference of present embodiment and embodiment 1 is, as shown in figure 12, be circumferentially with a plurality of twisted blades 16 in the wall of cup upper edge of reflector 7, twisted blade 16 is to be extended by the reflector lower end extreme direction that makes progress, and each twisted blade 16 is reversed from lower to upper along its length direction, forms breach 15 in twos between the adjacent twisted blade 16.This breach 15 is bigger than embodiment 2,3 breach, meets the different needs.
Embodiment 5: the difference of present embodiment and embodiment 1 is, shown in Figure 13,14, circumferentially has the loophole 16 of a plurality of hollow outs in the wall of cup upper edge of the close upper end of reflector 7.The purpose of loophole is set, and is the luminous intensity distribution performance for the further LED of optimization, makes the part light reflection of reflector external LED light source, and the transmission of part light makes led light source more even in the light intensity of all directions.The cell-shell that may arrange or the more uniform effect of lampshade surface brightness that make the outside are also arranged simultaneously.The loophole 16 of present embodiment is diamond hole.
Embodiment 6: the difference of present embodiment and embodiment 5 is that as shown in figure 15, loophole 16 is up big and down small trapezoidal hole.
Embodiment 7: the difference of present embodiment and embodiment 1 is, shown in Figure 16,17, from top to bottom described reflector is to be connected to form by 2 sections cups, the bus of reflector is broken line, every section cup is again along the circumferential direction to be connected to form successively by a plurality of curved slabs 17, cross section, the longitudinal section of curved slab 17 are arc, and every curved slab 17 all is to the bending of reflector center by the outside.
Such mode, the led light source that is suitable for the reflector outside is scattered in several blocks, namely except equally distributed situation on the rim of a cup circumference of reflector outer, each led light source block is corresponding with the curved slab of reflector, can obtain at the more uniform luminous intensity distribution of spatial distribution or other luminous intensity distribution.
Embodiment 8: the difference of present embodiment and embodiment 1 is, shown in Figure 18,19, from top to bottom described reflector is to be connected to form by 2 sections cups, the bus of reflector is broken line, every section cup is again along the circumferential direction to be connected to form successively by a plurality of trapezoidal plates 18, and trapezoidal plate 18 is surface plate.Equally, such mode, the led light source 9 that also is suitable for the reflector outside is scattered in several blocks, namely except equally distributed situation on the rim of a cup circumference of reflector outer, each led light source block is corresponding with the trapezoidal plate of reflector, can obtain at the more uniform luminous intensity distribution of spatial distribution or other luminous intensity distribution.
The preferred embodiment of the present invention just is used for helping to set forth the present invention.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this invention yet and only is the described specific embodiment.Obviously, according to the content of this specification, can make many modifications and variations.These embodiment are chosen and specifically described to this specification, is in order to explain principle of the present invention and practical application better, thereby the technical field technical staff can utilize the present invention well under making.The present invention only is subjected to the restriction of claims and four corner and equivalent.More than disclosed only be several specific embodiments of the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection domain.
Claims (21)
1. large-angle LED lamp, it is characterized in that: comprise the reflector that lamp plate and inside and outside surface all can be reflective, the lower end of reflector is arranged on the lamp plate, and is equipped with led light source at the inside and outside lamp plate in reflector lower end.
2. a kind of large-angle LED lamp according to claim 1 is characterized in that: the cross-sectional area of reflector lower end is less than the cross-sectional area of reflector upper end, and by the reflector lower end to the upper end, the cross-sectional area of reflector increases gradually.
3. a kind of large-angle LED lamp according to claim 1 is characterized in that: the upper end open of reflector or lens are housed in the reflector upper end, the lower ending opening of reflector or lens are housed in the reflector lower end.
4. a kind of large-angle LED lamp according to claim 1 is characterized in that: described lamp plate is a monoblock lamp plate or is spliced by the polylith lamp plate.
5. a kind of large-angle LED lamp according to claim 1 and 2 is characterized in that: described reflector integral body is to be rotated a circle around a vertical center axis through center, reflector lower end by a curve to form.
6. a kind of large-angle LED lamp according to claim 1 is characterized in that: circumferentially evenly be provided with a plurality of glasss of lobes at the reflector upper end edge, form breach between the adjacent cup lobe in twos.
7. a kind of large-angle LED lamp according to claim 1 is characterized in that: the loophole that circumferentially has a plurality of hollow outs in the wall of cup upper edge of the close upper end of reflector.
8. a kind of large-angle LED lamp according to claim 1, it is characterized in that: from top to bottom described reflector is to be connected to form by the multistage cup, the bus of reflector is broken line, every section cup is again along the circumferential direction to be connected to form successively by a plurality of curved slabs, cross section, the longitudinal section of curved slab are arc, and every curved slab all is to the bending of reflector center by the outside.
9. a kind of large-angle LED lamp according to claim 8, it is characterized in that: from top to bottom described reflector is to be connected to form by 2 sections cups.
10. a kind of large-angle LED lamp according to claim 1, it is characterized in that: from top to bottom described reflector is to be connected to form by the multistage cup, and the bus of reflector is broken line, and every section cup is again along the circumferential direction to be connected to form successively by a plurality of trapezoidal plates.
11. a kind of large-angle LED lamp according to claim 10 is characterized in that: from top to bottom described reflector is to be connected to form by 2 sections cups.
12. a kind of large-angle LED lamp according to claim 1 is characterized in that: described LED lamp comprises lamp body, is provided with the lamp socket that protrudes from the lamp body upper surface on lamp body top, and described lamp plate is arranged on the lamp socket end face.
13. a kind of large-angle LED lamp according to claim 12 is characterized in that: described LED lamp comprises power shell, described lamp body inside is hollow structure, and lamp body and power shell connect together.
14. a kind of large-angle LED lamp according to claim 12 is characterized in that: described lamp socket outer contour shape is any shape in polyhedron, cylinder or the Rotary-table.
15. a kind of large-angle LED lamp according to claim 14 is characterized in that: described lamp socket outer contour shape is Rotary-table.
16. a kind of large-angle LED lamp according to claim 12 is characterized in that: buckle at lamp socket and to be provided with a reflection shield that is complementary with its shape, size, the equal opening in two ends up and down of reflection shield, lamp plate are in the opening of reflection shield upper end.
17. a kind of large-angle LED lamp according to claim 16 is characterized in that: opening shape, the size of the shape of lamp plate, size and reflection shield upper end are complementary.
18. a kind of large-angle LED lamp according to claim 12 is characterized in that: the inside of lamp socket is hollow structure, and lamp socket is inner and the inner maintenance of lamp body connects.
19. a kind of large-angle LED lamp according to claim 13, it is characterized in that: described lamp body is a radiator, on the outer surface of radiator, along the circumferential direction be evenly distributed with the fin of a plurality of vertical settings, described fin extends and exceeds the bottom surface of radiator to deviating from the lamp socket direction, the following fin in radiator bottom surface surrounds a containing cavity, and form the louvre that communicates with containing cavity between the following adjacent fin in twos in radiator bottom surface, power shell is plugged in the containing cavity.
20. a kind of large-angle LED lamp according to claim 19 is characterized in that: leave the gap between described power shell and the fin.
21. a kind of large-angle LED lamp according to claim 1 is characterized in that: described LED lamp comprises cell-shell, the longitudinal section of cell-shell is greater than semicircular circular arc.
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| CN2013101456286A CN103256505A (en) | 2013-04-24 | 2013-04-24 | Wide-angle LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101456286A CN103256505A (en) | 2013-04-24 | 2013-04-24 | Wide-angle LED lamp |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015135327A1 (en) * | 2014-03-12 | 2015-09-17 | 厦门萤火虫节能科技有限公司 | Full-direction illuminating standardized led bulb lamp |
| CN106287271A (en) * | 2016-08-15 | 2017-01-04 | 上海三思电子工程有限公司 | Wide-angle bulb lamp |
| CN109185832A (en) * | 2018-08-21 | 2019-01-11 | Tcl通力电子（惠州）有限公司 | Reflector and electronic equipment |
| CN112223316A (en) * | 2020-11-02 | 2021-01-15 | 江苏奇捷机器人智能科技有限公司 | Robot O type RGB atmosphere lamp structure |
| CN112997037A (en) * | 2019-01-18 | 2021-06-18 | 宗拓贝尔照明器材有限公司 | Lamp with circumferentially closed heat dissipation body |
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| CN202349958U (en) * | 2011-11-25 | 2012-07-25 | 生迪光电科技股份有限公司 | Light emitting diode (LED) lamp convenient for radiating |
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| CN202852547U (en) * | 2012-10-25 | 2013-04-03 | 闫世成 | Full lighting-angles LED (light-emitting diode) bulb lamp |
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| CN106287271A (en) * | 2016-08-15 | 2017-01-04 | 上海三思电子工程有限公司 | Wide-angle bulb lamp |
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Application publication date: 20130821 |