CN105698129A - LED lamp filament and LED bulb - Google Patents
LED lamp filament and LED bulb Download PDFInfo
- Publication number
- CN105698129A CN105698129A CN201610056569.9A CN201610056569A CN105698129A CN 105698129 A CN105698129 A CN 105698129A CN 201610056569 A CN201610056569 A CN 201610056569A CN 105698129 A CN105698129 A CN 105698129A
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- Prior art keywords
- led filament
- conductive
- power connection
- led
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 239000011521 glass Substances 0.000 claims abstract description 25
- 239000003292 glue Substances 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 238000004020 luminiscence type Methods 0.000 claims description 25
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an LED lamp filament. The LED lamp filament comprises a plurality of luminous chips (61), a metal power connection terminal (62) and fluorescent glue (63), and further comprises a substrate (64) made from a non-conducting material and an electric and magnetic conductive connecting part (65). The luminous chips (61) are connected in series and evenly arranged on the upper surface of the substrate (64). When the LED lamp filament is applied to an LED bulb, assembly is convenient. An LED lamp filament illuminating lamp comprises a lamp base (1) connected with a mains supply, an LED power source (2) installed in the lamp base (1), a glass bulb shell (5), a glass stem (3) fixed in the glass bulb shell (5) and a plurality of luminous LED lamp filaments (6) connected with a positive wire (41) and a negative wire (42) and thus fixed to the glass stem (3), wherein the positive wire (41) and the negative wire (42) are embedded in the glass stem (3). The metal power connection terminal (62) of one LED lamp filament (6) of a pair of LED lamp filaments is connected with the negative wire (42). The electric and magnetic conductive connecting parts (65) are electrically connected with permanent magnets (7) in a pull-in mode. A tapered luminous body of which the top end plays an illumination effect can be formed by the multiple LED lamp filaments, and thus shadows and dim light zones in the illuminating direction are avoided.
Description
Technical field
The present invention relates to a kind of LED filament and LED bulb。
Background technology
LED filament illuminating lamp in industry has 360 ° of all-round illumination bright lamps of title, being one of ideal electricity-saving lamp that can replace original electric filament lamp, it is generally by connecting the lamp holder of civil power, the LED power being contained in lamp holder, glass cell-shell, be fixed in the middle of glass cell-shell and be embedded with the glass stem of positive and negative electrode wire, being connected with positive and negative electrode wire and be fixed on the LED filament that on glass stem, energy is luminous and form。LED filament luminescence was by working commercial power rectification transformation later。LED filament is fixed on a thinner substrate seals is made with fluorescent glue by the series connection of multiple LED luminescence chips, and substrate material has metal and nonmetal dividing。The multiple combination modes such as series connection can be added by series, parallel or parallel connection between filament and design the illuminating lamp of varying number filament and different capacity。
Existing LED filament illuminating lamp, its filament is except a middle main joint luminescence segment, two ends is designed with a bit of not to have to seal with the welding power connection end head of fluorescent glue, they are non-luminous, even if the LED filament of the non-metal base plates such as sapphire, glass or pottery, its two ends are also provided with this section of welding metal power connection end head。All entirely connected by spot welding as electricity-linkingup point by these two sections between filament。These welding power connection end heads necessarily occupy certain space so that the direction of illumination of lamp has been inevitably generated shade and low light level district, the even phenomenon of uneven illumination namely occur, so that being called that open defect occurs in the LED filament illuminating lamp of 360 ° of all-round light。Two filaments of existing use adopt the LED filament illuminating lamp of position antarafacial cross structure, to alleviate shade and the low light level district of direction of illumination；The illuminating lamp of a plurality of LED filament such as common 4,6,8 is then usually and filament is laid out in truncated cone-shaped structure, and the shade of its direction of illumination becomes apparent from, it might even be possible to says in three-dimensional illumination and has a direction to lack light；Also have and indivedual every two LED filament are welded into after " people " font structure in parallel or series again。In a word, due to the existence of non-luminous welding termination, it is bound to occupy relevant position and block light and cause shade and low light level district, namely can produce the even phenomenon of obvious uneven illumination。
Simultaneously, existing LED filament illuminating lamp have employed many spot-welding technologies, it appears more complicated, especially after every filament two ends solid welding all rigidly, because of operational heat dilation repeatedly so that filament also alternating bending itself deforms and largely effects on its service life。
Summary of the invention
It is an object of the invention to: provide a kind of LED filament, it has and is applied to LED bulb, and solder joint is few, the feature of long service life。
It is another object of the present invention to: a kind of LED bulb, the unobstructed component of its light are provided, there is three-dimensional lighting effect, the feature of long service life。
The present invention is achieved in that a kind of LED filament, including multiple luminescence chips, metal power connection end head and fluorescent glue, also includes substrate and conductive magneto-conductive fitting that non-conducting material is made,
Described luminescence chip is connected and is uniformly arranged on the upper surface of substrate, and metal power connection end head is connected by electric wire with a luminescence chip of one end；Conductive magneto-conductive fitting is coordinated with substrate and is connected by electric wire with a luminescence chip of the other end；Fluorescent glue covers luminescence chip and electric wire, and fluorescent glue conductive magneto-conductive fitting and substrate are fixed together。
Described a kind of LED filament, it is characterized in that described conductive magneto-conductive fitting is rectangle；
Also including an insulating base, described metal power connection end head is fixing with insulating base to be connected, and conductive magneto-conductive fitting one end is fixed with insulating base and is connected, and the lower surface of conductive magneto-conductive fitting upper surface and substrate is fitted。
Described a kind of LED filament, it is characterized in that described conductive magneto-conductive fitting has upper and lower two side plates and base plate, and the one end of described substrate inserts in the draw-in groove that two side plates are constituted；
Described fluorescent glue covers the lower surface of substrate, and covers its epipleural。
A kind of LED filament illuminating lamp, including connecting the lamp holder of civil power, the LED power being contained in lamp holder, glass cell-shell, be fixed in glass cell-shell and be embedded with the glass stem of positive and negative electrode wire be connected with positive and negative electrode wire with some and be fixed on glass stem can the LED filament of luminescence, LED filament includes luminescence chip, metal power connection end head and conductive magneto-conductive fitting；It is characterized in that: also including permanent magnet, described permanent magnet is fixed on glass stem；
Described LED filament has at least two pairs, conductive magneto-conductive fitting in a pair LED filament and a permanent magnet adhesive；The metal power connection end head wire of the LED filament that two centerings are adjacent connects；
The metal power connection end head of the LED filament in a pair LED filament is connected with positive wire, the metal power connection end head of a LED filament in a pair LED filament is connected with cathode conductor；Conductive magneto-conductive fitting electrically connects with the mode of permanent magnet adhesive。
Described LED filament illuminating lamp, it is characterized in that described permanent magnet outer surface is coated with the good conductor layer of electricity。
Described LED filament illuminating lamp, it is characterized in that described permanent magnet outer surface is coated with layers of copper or silver layer。
Described LED filament illuminating lamp, its metal power connection end head being characterized in that in described LED filament adjacent two pairs of LED filament is electrically connected by circular arc wire。
Described LED filament illuminating lamp, it is characterized in that described LED filament is annular distribution。
One LED filament of the present invention, owing to adopting such structure, during adjacent two electrical connections, it is possible to adopts the mode of permanent magnet adhesive to connect, is applied to LED bulb, easy to assembly。A kind of LED bulb, connects owing to have employed magnetic movable, allows LED filament have from line slip regulatory function when flatulence of heat type extends, thus overcome filament because of autoreduplication flexural deformation the problem of reduction of service life。Particularly cancel that LED filament is not luminous away from lamp holder end and after the conventional spot welding part that shuts out the light, allow a plurality of LED filament can form top and also there is the taper luminous body of luminous efficacy, avoid direction of illumination and produce shade and low light region, achieve the LED filament illuminating lamp with three-dimensional light efficiency of a kind of uniform illumination, even filament can be extended at vertex of a cone place and arrange, make to be formed between filament to intersect to put, thus constituting the LED filament illuminating lamp that light shape is more good。
Accompanying drawing explanation
Fig. 1 is the existing various LED filament structural representations that two ends all have welding power connection end head。
Fig. 2 is that in the first embodiment of the present invention, only one end is provided with welding power connection end head and the elongated LED filament structural representation of conductive magneto-conductive fitting。
Fig. 3 is that in the first embodiment of the present invention, only one end is provided with welding power connection end head and conductive magneto-conductive fitting has the LED filament structural representation of upper and lower two side plates。
Fig. 4 is the front view of the second embodiment of the present invention。
Fig. 5 is the upward view of the second embodiment of the present invention。
Fig. 6 is the circuit block diagram of the present invention。
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described。
As it is shown in figure 1, LED filament 10 two ends of prior art all have power connection end head 10a and the 10t being exclusively used in welding, their own is not luminous to shut out the light on the contrary, and middle envelope saves as luminescence segment with the one of fluorescent glue 10f。
Embodiment 1
As in figure 2 it is shown, a kind of LED filament 6, including multiple luminescence chips 61, metal power connection end head 62 and fluorescent glue 63, also include substrate 64 and conductive magneto-conductive fitting 65 that non-conducting material is made,
Described luminescence chip 61 is connected and is uniformly arranged on the upper surface of substrate 64, metal power connection end head 62 is electrically connected by wire 66 with a luminescence chip 61 of this end, conductive magneto-conductive fitting 65 coordinates with substrate 64, and is electrically connected by another electric wire 66 with a luminescence chip 61 of the other end；Fluorescent glue 63 covers luminescence chip 61 and electric wire 66, and conductive magneto-conductive fitting 65 and substrate 64 are fixed together by fluorescent glue 63。Substrate 64 electric insulation。
As in figure 2 it is shown, described conductive magneto-conductive fitting 65 is rectangle, it may also be said to be elongated；
Also include an insulating base 67, substrate 64 one end is connected with insulating base 67, fix in the draw-in groove 671 of the side of described metal power connection end head 62 one end embedding insulating base 67 and with insulating base 67 and be connected, conductive magneto-conductive fitting 65 one end is chimeric with the draw-in groove 672 of the opposite side of insulating base 67 and fixing connects, and the lower surface of conductive magneto-conductive fitting 65 upper surface and substrate 64 is fitted。
As it is shown on figure 3, the purpose of the present invention can also be achieved in that: described conductive magneto-conductive fitting 65 has upper and lower two side plates, the one end of described substrate 64 inserts in the draw-in groove 651 that two side plates are constituted；
Described fluorescent glue 63 covers the lower surface of substrate 64, and covers the epipleural of conductive magneto-conductive fitting 65；As in figure 2 it is shown, fluorescent glue 63 covers epipleural, it may also be said to be: fluorescent glue covers the side plate of conductive magneto-conductive fitting 65 and luminescence chip 61 homonymy；
One end of metal power connection end head 62 is provided with embedded groove 621, and namely the other end of substrate 64 is embedded within。
Embodiment 2
As shown in Figure 4, Figure 5, a kind of LED filament illuminating lamp, including connecting the lamp holder 1 of civil power, the LED power 2 being contained in lamp holder 1, glass cell-shell 5, the glass stem 3 that is fixed in glass cell-shell 5 and is embedded with positive and negative electrode wire 41,42 be connected with positive and negative electrode wire 41,42 with some and be fixed on glass stem 3 can the LED filament 6 of luminescence, LED filament 6 includes luminescence chip 61, metal power connection end head 62 and conductive magneto-conductive fitting 65。
Also including permanent magnet 7, described permanent magnet 7 is fixed on glass stem 3；
Described LED filament 6 has three pairs, conductive magneto-conductive fitting 65 in a pair LED filament 6 and the adhesive of a permanent magnet 7；The metal power connection end head 62 of the LED filament 6 that two centerings are adjacent connects with wire 8；
The metal power connection end head 62 of the LED filament 6 in a pair LED filament is connected with positive wire 41, the metal power connection end head 62 of a LED filament 6 in a pair LED filament is connected with cathode conductor 42；Conductive magneto-conductive fitting 65 electrically connects with the mode of permanent magnet 7 adhesive。
As further improvement: described permanent magnet 7 outer surface is coated with the good conductor layer of electricity。
Or described permanent magnet 7 outer surface is coated with layers of copper or silver layer。
In described LED filament 6, the wire 8 of metal power connection end head 62 electrical connection of adjacent two pairs of LED filament is in circular arc。
The distribution in annular of described LED filament 6。
Above-described is only the preferred embodiments of the present invention。It should be pointed out that, for the person of ordinary skill of the art, without departing from the principles of the present invention, it is also possible to making some improvement and modification, this is also considered as protection scope of the present invention。
Claims (8)
1. a LED filament, including multiple luminescence chips (61), metal power connection end head (62) and fluorescent glue (63), it is characterized in that: also include substrate (64) and conductive magneto-conductive fitting (65) that non-conducting material is made
Described luminescence chip (61) is connected and is uniformly arranged on the upper surface of substrate (64), and metal power connection end head (62) is connected by electric wire (66_) with a luminescence chip (61) of one end；Conductive magneto-conductive fitting (65) is coordinated with substrate (64) and is connected by another electric wire (66) with a luminescence chip (61) of the other end；Fluorescent glue (63) covers luminescence chip (61) and electric wire (66), and fluorescent glue (63) conductive magneto-conductive fitting (65) and substrate (64) are fixed together。
2. a kind of LED filament (6) according to claim 1, it is characterised in that: described conductive magneto-conductive fitting (65) is elongated；
Also include an insulating base (67), described metal power connection end head (62) is fixing with insulating base (67) to be connected, conductive magneto-conductive fitting (65) one end and insulating base (67) are fixing to be connected, and the lower surface of conductive magneto-conductive fitting (65) upper surface and substrate (64) is fitted。
3. a kind of LED filament (6) according to claim 1, it is characterized in that: described conductive magneto-conductive fitting (65) has upper and lower two side plates and base plate, the one end of described substrate (64) inserts in the draw-in groove 651 that two side plates are constituted；
Described fluorescent glue (63) covers the lower surface of substrate (64), and covers epipleural。
4. the LED filament illuminating lamp of the LED filament applied described in claim 1, including the lamp holder (1) connecting civil power, it is contained in the LED power (2) in lamp holder (1), glass cell-shell (5), it is fixed in glass cell-shell (5) and is just embedded with, cathode conductor (41, 42) glass stem (3), with some with just, cathode conductor (41, 42) it is connected and is fixed on the LED filament (6) that on glass stem (3), energy is luminous, LED filament (6) includes luminescence chip (61), metal power connection end head (62) and conductive magneto-conductive fitting (65)；It is characterized in that: also including permanent magnet (7), described permanent magnet (7) is fixed on glass stem (3)；
Described LED filament has at least two pairs, the conductive magneto-conductive fitting (65) in a pair LED filament and the adhesive of a permanent magnet (7)；Metal power connection end head (62) of the LED filament that two centerings are adjacent wire (8) connects；
Metal power connection end head (62) of the LED filament (6) in a pair LED filament is connected with positive wire (41), metal power connection end head (62) of a LED filament (6) in a pair LED filament is connected with cathode conductor (42)；Conductive magneto-conductive fitting (65) electrically connects with the mode of permanent magnet (7) adhesive。
5. LED filament illuminating lamp according to claim 4, it is characterised in that: described permanent magnet (7) outer surface is coated with the good conductor layer of electricity。
6. LED filament illuminating lamp according to claim 4, it is characterised in that: described permanent magnet (7) outer surface is coated with layers of copper or silver layer。
7. LED filament illuminating lamp according to claim 4, it is characterised in that: in described LED filament (6), metal power connection end head (62) of adjacent two pairs of LED filament is electrically connected by circular arc wire (8)。
8. the LED filament illuminating lamp according to claim 4,5,6 or 7, it is characterised in that: described LED filament is annular distribution。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610056569.9A CN105698129A (en) | 2016-01-23 | 2016-01-23 | LED lamp filament and LED bulb |
| PCT/CN2016/000158 WO2016150230A1 (en) | 2015-03-23 | 2016-03-22 | Led filament and led filament illumination lamp therefor |
| EP16767607.1A EP3276247B1 (en) | 2015-03-23 | 2016-03-22 | Led filament and led filament illumination lamp therefor |
| CA2972283A CA2972283C (en) | 2015-03-23 | 2016-03-22 | Led filament and led filament light containing the same |
| US15/469,592 US10247365B2 (en) | 2015-03-23 | 2017-03-27 | LED filament and LED filament light containing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610056569.9A CN105698129A (en) | 2016-01-23 | 2016-01-23 | LED lamp filament and LED bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105698129A true CN105698129A (en) | 2016-06-22 |
Family
ID=56228752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610056569.9A Pending CN105698129A (en) | 2015-03-23 | 2016-01-23 | LED lamp filament and LED bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105698129A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3480510A1 (en) * | 2017-11-03 | 2019-05-08 | Xiamen Eco Lighting Co., Ltd. | Led lighting apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6935765B2 (en) * | 2003-10-27 | 2005-08-30 | Dong Guan Bright Yinhuey Lighting Co., Ltd. China | Suspension lamp having quick connection function |
| CN203836872U (en) * | 2014-03-28 | 2014-09-17 | 东莞市雷明灯照明科技有限公司 | Novel LED (Light Emitting Diode) lamp wick |
| CN203880469U (en) * | 2014-06-09 | 2014-10-15 | 张�诚 | LED filament lamp |
| CN104696757A (en) * | 2015-03-23 | 2015-06-10 | 刘博仁 | LED (Light Emitting Diode) lamp filament illumination lamp |
| CN204437804U (en) * | 2015-03-23 | 2015-07-01 | 刘博仁 | LED silk illuminating lamp |
| CN205480834U (en) * | 2016-01-23 | 2016-08-17 | 刘博仁 | LED filament and LED bulb |
-
2016
- 2016-01-23 CN CN201610056569.9A patent/CN105698129A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6935765B2 (en) * | 2003-10-27 | 2005-08-30 | Dong Guan Bright Yinhuey Lighting Co., Ltd. China | Suspension lamp having quick connection function |
| CN203836872U (en) * | 2014-03-28 | 2014-09-17 | 东莞市雷明灯照明科技有限公司 | Novel LED (Light Emitting Diode) lamp wick |
| CN203880469U (en) * | 2014-06-09 | 2014-10-15 | 张�诚 | LED filament lamp |
| CN104696757A (en) * | 2015-03-23 | 2015-06-10 | 刘博仁 | LED (Light Emitting Diode) lamp filament illumination lamp |
| CN204437804U (en) * | 2015-03-23 | 2015-07-01 | 刘博仁 | LED silk illuminating lamp |
| CN205480834U (en) * | 2016-01-23 | 2016-08-17 | 刘博仁 | LED filament and LED bulb |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3480510A1 (en) * | 2017-11-03 | 2019-05-08 | Xiamen Eco Lighting Co., Ltd. | Led lighting apparatus |
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