CN205001884U - Multi -level luminous LED bulb - Google Patents
Multi -level luminous LED bulb Download PDFInfo
- Publication number
- CN205001884U CN205001884U CN201520701453.7U CN201520701453U CN205001884U CN 205001884 U CN205001884 U CN 205001884U CN 201520701453 U CN201520701453 U CN 201520701453U CN 205001884 U CN205001884 U CN 205001884U
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- Prior art keywords
- base plate
- annular base
- led
- led bulb
- coupling part
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
- H01L2224/85909—Post-treatment of the connector or wire bonding area
- H01L2224/8592—Applying permanent coating, e.g. protective coating
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides a multi -level luminous LED bulb, is including the printing opacity housing that is located the outside to and be located the stem stem of printing opacity housing, be equipped with the lead -out wire on the stem stem, be fixed with at least one LED encapsulation on the lead -out wire, the LED encapsulation separates the annular base plate that sets up including many circles each other, through at least one coupling part interconnect, through right between per two adjacent annular base plates in many rings shape base plate coupling part's tensile plastic makes many rings shape base plate is located different planes and forms spatial structure, it has a plurality of LED chips to establish ties and/or connect in parallel on the annular base plate. This multi -level luminous LED bulb can be processed into spatial structure with planar LED encapsulation, and processing is convenient in addition, and simple structure easily sets up the chip with control LED, in addition machining efficiency high, make the LED encapsulation easily not damage in the course of working, improved production efficiency and yield.
Description
Technical field
The utility model relates to a kind of LED bulb of multi-level luminescence.
Background technology
In prior art, there is different LED encapsulation method, comprise pin (Lamp) LED, chip on board directly-mounting type (ChipOnBoard) LED, SMD (SurfaceMountDevice) LED, system (SystemInPackage) LED etc., and according to different LED encapsulation method, different base plate for packaging can be used.
In the ordinary course of things, the substrate of chip on board directly-mounting type (ChipOnBoard) LED is the substrate be made up of circuit board or homogenous material, as metal, PVC, lucite, plastics etc., and shape is planar rectangular mostly, planar rondure or planar strip etc., and the edge of substrate is generally smoothed curve or straight line.
And existing substrate arranges LED chip and after sealing up fluorescent glue, what send is planar light, even if multiple substrate to be arranged to the illuminator of three-dimensional shape, not thorough due to overall construction design, the also easy phenomenon occurring non-uniform light in illuminator surrounding.In addition, when substrate is light transmissive material, although can 360 degree luminous, usually can run into heat dissipation problem, when substrate is light-proof material, such as metal, just can not have light in the one side not arranging LED chip, can not 360 degree omnibearing luminous.
Generally speaking, the lighting angle of existing chip on board directly-mounting type (ChipOnBoard) LED package substrate and bulb is even not, cannot multi-angle, luminous at many levels, and easily meets heat dissipation problem, affects luminous efficiency.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of luminous evenly, lighting angle is large, multi-level luminous and radiating effect good chip on board directly-mounting type LED bulb.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of multi-level emitting led bulb, comprise the light transmission casing being positioned at outside, and be positioned at the stem stem of light transmission casing, described stem stem is provided with lead-out wire, described lead-out wire is fixed with at least one LED, the bottom of described light transmission casing and stem stem is provided with electric connector, driver is provided with in described electric connector, described lead-out wire is communicated to described driver, it is characterized in that: described LED comprises the annular base plate of the spaced setting of multi-turn, be interconnected by least one coupling part between every two adjacent annular base plate in described multi-ring annular substrate, stereochemical structure is formed by making described multi-ring annular substrate be positioned at different planes to the stretching shaping of described coupling part, described annular base plate is connected and/or is parallel with multiple LED chip.
Preferably, the coupling part between described every two adjacent annular base plate is one, and the position of each coupling part is mutually corresponding and be connected.
For the ease of control and the arrangement of LED, described multi-ring annular substrate is provided with the connector making annular base plate form open circuit structure.
Preferably, each of described multi-ring annular substrate is provided with the opening of disconnection.
For the ease of connecting, described opening is provided with connector, described connector comprises the material outside being positioned at outside and being connected by the two ends of opening parcel, with the inside material all discontiguous with the two ends of opening being positioned at material outside, described material outside is electrically non-conductive material, described inside material is conductive material, and described inside material is electrically connected with the LED chip in annular base plate by connecting line.
Preferably, attaching parts are connected with between the inside material on the connector of described each annular base plate.
For the ease of stretching and shaping, described attaching parts and/or coupling part are bending structure.
Preferably, described annular base plate is the loop configuration of polygon loop configuration, cirque structure or part arc and partial straight lines composition.
Preferably, described coupling part connects one end of the opening of two adjacent annular base plate, and the two ends of the opening of each annular base plate are respectively by the end of the opening of the adjacent annular base plate in different connection both sides, coupling part.
For the ease of stretching and shaping, described annular base plate is that multi-turn is sheathed, and concentric or eccentric setting between multi-ring annular substrate; Or described annular base plate is that multi-turn adjacent spaces is arranged.
Compared with prior art, the utility model has the advantage of this multi-level emitting led bulb, the LED of plane can be processed into stereochemical structure, and it is easy to process, structure is simple, be easy to arrange and control LED chip, and working (machining) efficiency is high, make LED be not easy to damage in process, improves production efficiency and yield rate.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the LED bulb of the utility model first embodiment.
Fig. 2 is the schematic diagram of the LED of the LED bulb of the utility model first embodiment.
Fig. 3 is the schematic diagram of the LED of the LED bulb of the utility model second embodiment.
Fig. 4 is the schematic diagram of the LED of the LED bulb of the utility model the 3rd embodiment.
Fig. 5 is the schematic diagram of the LED of the LED bulb of the utility model the 4th embodiment.
Fig. 6 is the schematic diagram after the LED of the LED bulb of the utility model the 4th embodiment stretches.
Fig. 7 is the syndeton schematic diagram of connector in the LED of the LED bulb of the utility model the 4th embodiment and annular base plate.
Fig. 8 is the schematic diagram of the LED of the LED bulb of the utility model the 5th embodiment.
Fig. 9 is the schematic diagram of the LED of the LED bulb of the utility model the 6th embodiment.
Figure 10 is the schematic diagram of the LED of the LED bulb of the utility model the 7th embodiment.
Figure 11 is the schematic diagram of the LED of the LED bulb of the utility model the 8th embodiment.
Figure 12 is the schematic diagram of the LED of the LED bulb of the utility model the 9th embodiment.
Figure 13 is the schematic diagram of the LED bulb of the utility model the tenth embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
The LED bulb of the utility model first embodiment, as shown in Figure 1, comprise the light transmission casing 300 in outside, with the LED 400 being positioned at light transmission casing 300, be provided with the stem stem 500 of band lead-out wire 8 and core column exhaust pipe 9 in this light transmission casing 300, this lead-out wire 8 is fixed with at least one LED 400, the bottom of this light transmission casing 300 and the bottom of stem stem 500 are fixed on electric connector 600, be provided with driver 700 in electric connector 600, lead-out wire 8 is connected with this driver 700.In the confined space that printing opacity cell-shell 20 is formed, be filled with and protect three-dimensional LED and the gas being beneficial to the heat radiation of three-dimensional LED, this gas can be helium or hydrogen helium gas mixture.Described light transmission casing 300 material is transparent, milky white, frosted or coloured cell-shell, also can have reflecting layer for part, or part has the cell-shell of little prism, lenslet.The shape of described light transmission casing 300 is the shape of A type, G type, R type, PAR type, T-shaped, candle type or other existing Lamp bulb cases.Described electric connector 90 is the one in the existing electric connector such as E40, E27, E26, E14, GU.
As shown in Figure 2, for the structural representation of the LED in this LED bulb, this LED 400 comprise multi-turn spaced and arrange with one heart be positioned at conplane annular base plate 1, the plurality of annular base plate 1 is circular, and it is spaced, the radius of the plurality of annular base plate 1 increases gradually, and the interval between multiple annular base plate 1 can be the same or different.Between every two adjacent annular base plate 1, be interconnected by coupling part 2.As shown in Figure 1, this coupling part 2 is only be provided with one between adjacent substrate, and multiple coupling part 2 is interconnected in aggregates.Annular base plate 1 connected and/or is parallel with multiple LED chip, can be electrically connected by connecting line between the plurality of LED chip, also can by circuit reserved in annular base plate electrical connection.
As shown in Figure 3, the LED of the LED bulb of this second embodiment, comprise the annular base plate 1 of the spaced concentric setting of multi-turn equally, coupling part between the plurality of annular base plate 1, be provided with two coupling parts 2 between every two adjacent annular base plate 1 to be interconnected, and position is corresponding respectively two coupling parts 2 between multiple annular base plate 1.
As shown in Figure 4, for the LED of the LED bulb of the 3rd embodiment, this LED comprises the annular base plate 1 of the spaced concentric setting of multi-turn equally, between the plurality of annular base plate, be provided with four coupling parts 2 between every two adjacent annular base plate 1, four coupling parts 2 between multiple annular base plate 1 respectively position are corresponding.
As shown in Figure 5, for the LED of the LED bulb of the 4th embodiment, this LED comprises the annular base plate 1 of the spaced concentric setting of multi-turn equally, two coupling parts 2 are provided with between adjacent annular base plate 1, be respectively the first pontes 21, second coupling part 22, this the first pontes 21 is bending structure, this second coupling part 22 comprises the connector 3 of each annular base plate 1 open circuit, and the attaching parts 222 between multiple connector 3, these attaching parts 222 can be bending structures, so both can have less area and volume when there is no shaping and stretching, stretch and longer length can be become after shaping.
As shown in Figure 6, as long as carry out moulding to the attaching parts 222 between this first pontes 21 and multiple connector 3, just the plurality of annular base plate 1 can be intervally arranged into stereochemical structure from top to bottom successively, in Fig. 6, each annular base plate 1 is positioned at same plane, multiple annular base plate 1 is positioned at the multiple planes be parallel to each other, also can be that multiple annular base plate 1 lays respectively at and not to be not parallel to each other mutually or in multiple planes that part is parallel, as long as each annular base plate 1 is positioned at different planes mutually.Such board structure, when the substrate of flat shape is processed into stereochemical structure, as long as shaping stretching attaching parts 222 and the first pontes 21, as long as i.e. shaping connecting portion, the substrate of stereochemical structure can be formed, make the LED chip of arranging on it realize the luminous lighting of multi-layer multi-angle, nor easily damage when being shaped to the substrate of stereochemical structure.Ensure that working (machining) efficiency and the yield rate of LED.And as shown in Figure 6, can be that the annular base plate 1 of innermost circle is positioned at the top, the annular base plate 1 of outmost turns be positioned at bottom, and also can be that the annular base plate 1 of innermost circle is positioned at bottom, the annular base plate 1 of outmost turns be positioned at the top.Also can be interlaced, namely multi-ring annular substrate about 1 staggers setting successively.Realize so three-dimensional substrate shape, only need to stretch and shaping to coupling part 2.
As shown in Figure 5, each annular base plate 1 has the opening 10 of disconnection, installation connecting element 3 on this opening 10, the structure of connector 3 as shown in Figure 7, comprise the material outside 31 of the annular base plate 1 at parcel connection opening 10 two ends, and be positioned at the inside material 32 of material outside 31, this inside material 32 does not all contact with the two ends of opening 10, these attaching parts 222 connect the inside material 32 between adjacent two annular base plate 1, and this connector 3 and attaching parts 222 form this second coupling part 22.This material outside 31 only plays and the annular base plate 1 at opening 10 two ends of annular base plate 1 is connected, for electrically non-conductive material, and inside material 32 is conductive material, may be used for being electrically connected with attaching parts 222, and the inside material 32 of this conduction also can be electrically connected by connecting line 200 with the LED chip 100 in annular base plate 1, realizes multiple connection and control mode.Each annular base plate 1 can be provided with at least one opening 10, some openings 10 can only for the formation of open circuit, some openings can be connected by connector 3, and when having opening 10, the end of the opening 10 of annular base plate 1 can as one of them electrode outlet line of substrate.
As shown in Figure 8, be the schematic diagram of the LED of the 5th embodiment.The substrate of this embodiment comprises annular base plate 1 that is with one heart multiple and interval successively, this annular base plate 1 each be annulus, each annular base plate 1 in first to the 3rd embodiment is closed annular, although the annular base plate 1 in the 4th embodiment is provided with opening 10, but opening 10 is provided with the second coupling part 22 and is interconnected at the two ends of the opening 10 of annular base plate 1, and in this embodiment, each annular base plate 1 all has opening 10, and the opening 10 of each annular base plate 1 is positioned at corresponding position.And be provided with coupling part 2 between adjacent annular base plate 1, this coupling part 2 connects wherein one end of the opening 10 of annular base plate 1, such as, as shown in Figure 7, be four spaced annular base plate 1, from inside to outside be respectively the first annular base plate 11, second annular base plate 12, the 3rd annular base plate 13 and the 4th annular base plate 14, and each annular base plate 11 has opening 10 respectively.The opening 10 of this first annular base plate 11 has first end 111 and the second end 112, the opening 10 of this second annular base plate 12 has first end 121 and the second end 122, the opening 10 that the opening 10 of the 3rd annular base plate 13 has first end 131 and the second end the 132, four annular base plate 14 has first end 141 and the second end 142.Coupling part 2 is connected with between the first end 121 of the first end 111 of the opening 10 of this first annular base plate 11 and the opening 10 of the second annular base plate 12, coupling part 2 is connected with between the first end 141 being connected with the first end 131 of the opening 10 of coupling part the 2, three annular base plate 13 and the opening 10 of the 4th annular base plate 14 between second end 132 of the second end 122 of the opening 10 of this second annular base plate 12 and the opening 10 of the 3rd annular base plate 13.Namely the coupling part 2 between adjacent annular base plate 1 is by from beginning to end successively for multiple annular base plate 1.That is the coupling part 2 between these every two adjacent annular base plate 1 is not interconnected and position is not also positioned at same place.Namely coupling part connects one end of the opening of two adjacent annular base plate, and the two ends of the opening 10 of each annular base plate 1 are respectively by the end of the opening 10 of the adjacent annular base plate 1 in different connection both sides, coupling part.
As shown in Figure 9, for the schematic diagram of the LED of the LED bulb of the 6th embodiment, board structure in this embodiment is substantially identical with the 5th embodiment, is bending structure unlike this coupling part 2, make like this stretching of coupling part 2 and shaping convenient and be not easy to damage.And when multiple annular base plate is in same plane, the distance between each circle annular base plate is less, is convenient to processing and saves material.
As shown in Figure 10, basic structure and the 5th, the 6th embodiment of the LED of the LED bulb in this embodiment are identical, differ unlike this each annular base plate 1 and be decided to be circular ring structure, what this annular base plate 1 had is polygon loop configuration, what have is cirque structure, by the loop configuration formed for part arc and partial straight lines, such as racetrack also can be other irregular loop configuration etc.This annular base plate 1 can adopt other multiple loop configuration, as long as spaced and arrange with one heart between each annular.Although and the annular base plate 1 in above-described embodiment is concentric setting, as long as in fact spaced between annular base plate 1, eccentric setting also can reach above-mentioned function.Or between multiple annular base plate, the concentric setting had, some eccentric settings, also can reach above-mentioned function.Namely it is mutually sheathed when this annular base plate 1 is in same plane.
As shown in figure 12, the LED of the LED bulb in the 8th embodiment, different from above-mentioned several embodiment, annular base plate 1 in this embodiment is positioned at same plane, and spaced setting, just, the not sheathed setting of this annular base plate 1, but the distribution that is separated successively, be interconnected by coupling part 2 between every two adjacent annular base plate 1.Further, this each annular base plate 1 is annulus, and diameter is identical.As long as carry out shaping to this coupling part 2, by the shaping of multiple annular base plate 1 in different planes, the stereochemical structure of multi-level multifaceted light-emitting can be realized.
As shown in figure 12, in 9th embodiment, identical with the 8th embodiment, annular base plate 1 in this embodiment is positioned at same plane and spaced setting, annular base plate 1 neither sheathedly be arranged, but separation spacing successively, be interconnected by coupling part 2 between every two adjacent annular base plate 1.The circle diameter of annular base plate 1 increases successively.As long as carry out shaping to this coupling part 2, by the shaping of multiple annular base plate 1 in different planes, the stereochemical structure of multi-level multifaceted light-emitting can be realized.
Shown in Figure 13, for the LED bulb of the tenth embodiment, LED bulb in this structure, roughly the same with the first embodiment of structure, two LED 400 are provided with unlike this lead-in wire 300, these two LED are oppositely arranged, and make two LED 400 be formed from top to bottom, the radial three-dimensional shape increasing gradually and reduce gradually.Can be connected by coupling part 2 between two LED 400, also can be connected by connector 3, also can be electrically connected by other bindiny mechanisms or be only anatomical connectivity.Such structure makes the lighting angle of whole LED bulb larger, and luminous level is more, more three-dimensional.
This multi-level emitting led bulb, can be processed into stereochemical structure by the LED of plane, and easy to process, structure is simple, be easy to arrange and control LED chip, and working (machining) efficiency is high, make LED be not easy to damage in process, improves production efficiency and yield rate.
Although more than describe in detail preferred embodiment of the present utility model, should be expressly understood that, for a person skilled in the art, the utility model can have various modifications and variations.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a multi-level emitting led bulb, comprise the light transmission casing (300) being positioned at outside, and be positioned at the stem stem (500) of light transmission casing (300), described stem stem (500) is provided with lead-out wire (8), described lead-out wire (8) is fixed with at least one LED (400), the bottom of described light transmission casing (300) and stem stem (500) is provided with electric connector (600), driver (700) is provided with in described electric connector (600), described lead-out wire (8) is communicated to described driver (700), it is characterized in that: described LED (400) comprises the annular base plate (1) of the spaced setting of multi-turn, be interconnected by least one coupling part (2) between every two adjacent annular base plate (1) in described multi-ring annular substrate (1), be positioned at different planes by making described multi-ring annular substrate (1) to the stretching shaping of described coupling part (2) and form stereochemical structure, described annular base plate (1) is connected and/or is parallel with multiple LED chip.
2. multi-level emitting led bulb as claimed in claim 1, it is characterized in that: the coupling part (2) between described every two adjacent annular base plate (1) is one, and the position of each coupling part (2) is mutually corresponding and be connected.
3. multi-level emitting led bulb as claimed in claim 1, is characterized in that: described multi-ring annular substrate (1) is provided with the connector (3) making annular base plate (1) form open circuit structure.
4. multi-level emitting led bulb as claimed in claim 1, is characterized in that: each of described multi-ring annular substrate (1) is provided with the opening (10) of disconnection.
5. multi-level emitting led bulb as claimed in claim 4, it is characterized in that: described opening (10) is provided with connector (3), described connector (3) comprises the material outside (31) being positioned at outside and being connected by the two ends of opening (10) parcel, with the inside material (32) all discontiguous with the two ends of opening (10) being positioned at material outside (31), described material outside (31) is electrically non-conductive material, described inside material (32) is conductive material, described inside material (32) is electrically connected with the LED chip (100) in annular base plate (1) by connecting line (200).
6. multi-level emitting led bulb as claimed in claim 5, is characterized in that: be connected with attaching parts (222) between the inside material (32) on the connector (3) of described each annular base plate (1).
7. multi-level emitting led bulb as claimed in claim 6, is characterized in that: described attaching parts (222) and/or coupling part (2) are bending structure.
8. multi-level emitting led bulb as claimed in claim 1, is characterized in that: described annular base plate (1) is polygon loop configuration, the loop configuration of cirque structure or part arc and partial straight lines composition.
9. multi-level emitting led bulb as claimed in claim 4, it is characterized in that: one end of the opening (10) of the annular base plate (1) that described coupling part (2) connection two is adjacent, and the two ends of the opening (10) of each annular base plate (1) connect the end of the opening of the adjacent annular base plate (1) in both sides respectively by different coupling parts (2).
10. multi-level emitting led bulb as claimed in claim 1, is characterized in that: described annular base plate (1) for multi-turn sheathed, and between multi-ring annular substrate (1) with one heart or eccentric setting; Or described annular base plate (1) is the setting of multi-turn adjacent spaces.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701453.7U CN205001884U (en) | 2015-09-11 | 2015-09-11 | Multi -level luminous LED bulb |
| CA2996499A CA2996499C (en) | 2015-09-11 | 2016-09-07 | Multilevel light emitting led substrate, package and bulb |
| US15/757,713 US10269719B2 (en) | 2015-09-11 | 2016-09-07 | Multilevel light emitting LED substrate, package and bulb |
| EP16843647.5A EP3349261B1 (en) | 2015-09-11 | 2016-09-07 | Multilevel light emitting led substrate and package, and bulb |
| PCT/CN2016/098299 WO2017041709A1 (en) | 2015-09-11 | 2016-09-07 | Multilevel light emitting led substrate and package, and bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701453.7U CN205001884U (en) | 2015-09-11 | 2015-09-11 | Multi -level luminous LED bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205001884U true CN205001884U (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520701453.7U Active CN205001884U (en) | 2015-09-11 | 2015-09-11 | Multi -level luminous LED bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205001884U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017041709A1 (en) * | 2015-09-11 | 2017-03-16 | 葛铁汉 | Multilevel light emitting led substrate and package, and bulb |
| CN106678573A (en) * | 2017-01-18 | 2017-05-17 | 广东英吉尔科技股份有限公司 | Lamp with conical LED lamp filaments and manufacturing method thereof |
| CN106931330A (en) * | 2017-03-02 | 2017-07-07 | 海宁市欧亚电器有限公司 | A kind of Novel LED light |
-
2015
- 2015-09-11 CN CN201520701453.7U patent/CN205001884U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017041709A1 (en) * | 2015-09-11 | 2017-03-16 | 葛铁汉 | Multilevel light emitting led substrate and package, and bulb |
| US10269719B2 (en) | 2015-09-11 | 2019-04-23 | Ge Tiehan | Multilevel light emitting LED substrate, package and bulb |
| CN106678573A (en) * | 2017-01-18 | 2017-05-17 | 广东英吉尔科技股份有限公司 | Lamp with conical LED lamp filaments and manufacturing method thereof |
| CN106931330A (en) * | 2017-03-02 | 2017-07-07 | 海宁市欧亚电器有限公司 | A kind of Novel LED light |
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