CN107620875A - A kind of LED filament lamp - Google Patents
A kind of LED filament lamp Download PDFInfo
- Publication number
- CN107620875A CN107620875A CN201711033420.XA CN201711033420A CN107620875A CN 107620875 A CN107620875 A CN 107620875A CN 201711033420 A CN201711033420 A CN 201711033420A CN 107620875 A CN107620875 A CN 107620875A
- Authority
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- China
- Prior art keywords
- hole
- seal wire
- cylinder
- led filament
- pole seal
- 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 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 238000009413 insulation Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The present invention relates to a kind of LED filament lamp,Including cell-shell,Stem,LED drive power,Lamp holder and LED filament,The LED filament is fixed on stem,And with it is spaced leave for lamp holder direction extension a positive pole seal wire and a negative pole seal wire,The LED drive power includes drive circuit board and the electronic component being arranged on drive circuit board,The drive circuit board is provided with spaced first through hole and the second through hole,All there is conductive metal layer on the inwall of the first through hole and the second through hole,Circuit on the conductive metal layer and drive circuit board is electrically connected,The positive pole seal wire is in contact through first through hole and with the conductive metal layer in first through hole,The negative pole seal wire is in contact through the second through hole and with the conductive metal layer on the second through hole,To solve the problems, such as that existing LED filament lamp seal wire welding time and effort consuming and loss are high.
Description
Technical field
The present invention relates to a kind of lighting field, is specifically related to a kind of LED filament lamp.
Background technology
LED filament lamp can realize the luminous of 360 ° of full angles, and its have with incandescent lamp identical profile, extensively should
With on the light fixtures such as pendent lamp, wall lamp.The structure of existing LED filament lamp is mostly that one group of LED chip is encapsulated in into transparency carrier
On, stitch is drawn at both ends respectively, and can full angle as tungsten filament lights after accessing dc source.These LED filaments are to go here and there
Either mode in parallel or going here and there and combine is fixed on stem connection, is driven by LED drive power.
As notification number be CN203703703U disclose a kind of LED filament bulb, by cell-shell, stem, LED drive power,
Lamp holder, LED filament composition, at least two articles of LED filaments being vertically arranged are electrically connected and consolidated by connector and the 1st, 2 extraction wires
It is scheduled on stem, the resistance-capacitance depressurization rectification circuit and constant-current circuit of LED drive power use integrated chip and high pressure patch capacitor,
Make it to be welded on on the circle line plate of lamp holder opening portion form fit, so as to significantly simplify LED drive power existing
Installation dimension in LED filament bulb.Because drive circuit board is mounted in the opening portion of lamp holder, therefore drive circuit board
The size-constrained size in lamp holder, characteristic are for the lamp holder similar to small sizes such as E12, the chi of its open ended drive circuit board
It is very little just smaller.Existing LED filament lamp is all by manually by the manual weldering of two seal wires of both positive and negative polarity of LED filament in assembling
It is connected on drive circuit board, because the size of drive circuit board is small, therefore the bonding pad area of corresponding seal wire also very little, due to seal wire
With certain hardness, therefore needing to take considerable time during welding seal wire, loss is also high, and on drive circuit board also
The electronic component for forming driving power is welded with, these electronic components can also turn into obstacle during welding, and low production efficiency, this leads
Having caused the cost of LED filament lamp can not decline.
The content of the invention
The present invention is intended to provide a kind of LED filament lamp, to solve existing LED filament lamp seal wire welding time and effort consuming and damage
Consume the problem of high.
Concrete scheme is as follows：
A kind of LED filament lamp, including cell-shell, stem, LED drive power, lamp holder and LED filament, the LED filament are fixed
On stem, and with it is spaced leave for the extension of lamp holder direction a positive pole seal wire and a negative pole seal wire, LED driving
Power supply includes drive circuit board and the electronic component being arranged on drive circuit board, and the drive circuit board is provided with spaced
All there is conductive metal layer, the conduction on the inwall of the first through hole opened and the second through hole, the first through hole and the second through hole
Circuit on metal level and drive circuit board is electrically connected, the positive pole seal wire through first through hole and with leading in first through hole
Metal layer is in contact, and the negative pole seal wire is in contact through the second through hole and with the conductive metal layer on the second through hole.The LED
The positive pole seal wire and negative pole seal wire of the LED filament of filament lamp all divide after passing through first through hole and the second through hole on drive circuit board
Not and the conductive metal layer in first through hole and the second through hole is in contact to form electrical connection, therefore can directly be assembled, and
It need not be attached using the mode of welding, therefore can not only save substantial amounts of installation time, nor occurred
The problem of causing loss because of welding.
Preferably, the fixed support of an insulation is included, the fixed support is mutual including body and on body
First cylinder and the second cylinder spaced apart, the position of first cylinder and the second cylinder correspond to first through hole and second respectively
Through hole, first cylinder have the first fixed part for being used for fixing positive pole seal wire, and second cylinder has for fixed negative
Second fixed part of pole seal wire；First fixed part is the first groove of a U-typed, and first groove is located at the first cylinder
Towards on one end of drive circuit board；Second fixed part is the second groove of a U-typed, and second groove is located at second
Cylinder is towards on one end of drive circuit board；Extend from cell-shell to lamp holder direction one section of the positive pole seal wire is stuck in described first
Groove, its endpiece away from lamp holder to cell-shell direction to bend, and positive pole seal wire forms 2 with the conductive metal layer in first through hole
Individual contact point；Extend from cell-shell to lamp holder direction one section of the negative pole seal wire is stuck in second groove, its endpiece with away from
Lamp holder is bent to cell-shell direction, and the conductive metal layer on negative pole seal wire and the second through hole forms 2 contact points.Positive pole seal wire
2 contact points are formed with first through hole, negative pole seal wire and the second through hole form 2 contact points, are not only assembling the filament lamp
During seal wire more preferable electrical contact, and the first post on fixed support can be formed with the conductive metal layer in corresponding through hole
When body and the second cylinder are respectively engaged with first through hole and the second through hole, whole interface arrangment is also more stable, is not easy to produce
Life is rocked, and positive pole seal wire and negative pole seal wire will not also skid off out of groove.
Preferably, the external diameter of the positive pole seal wire is d1, and the external diameter of first cylinder is D1, the first through hole it is interior
Footpath is Hd1, meets that 2d1+D1 is more than or equal to Hd1；The external diameter of the negative pole seal wire is d2, and the external diameter of second cylinder is
D2, the internal diameter of second through hole is Hd2, meets that 2d2+D2 is more than or equal to Hd2.So that the first cylinder and the second cylinder grafting
When in first through hole and the second through hole, tight fit was formed.
Preferably, the length of first cylinder and the second cylinder is different.The first cylinder and the second cylinder of different length
It is easy to distinguish both positive and negative polarity, there is fool proof.
Preferably, the stem is in horn-like toward one end of lamp holder, and the support bracket fastened body is in the form of annular discs, and
And its periphery has chamfering.Support bracket fastened body and stem are engaged can be in order to support bracket fastened installation.
Preferably, in addition to an insulating sleeve, the insulating sleeve are socketed in inside lamp holder, the LED drivings electricity
Source is located in insulating sleeve.Insulating sleeve can improve electric equipment compartment between the electronic component on drive circuit board and lamp holder
Away from improving the effect of insulation.
Compared to the prior art a kind of LED filament lamp provided by the invention relatively has the advantages that：
1st, a kind of LED filament of LED filament lamp provided by the invention is fixed on stem the extraction positive pole seal wire from stem
With negative pole seal wire, positive pole seal wire and negative pole seal wire are each passed through first through hole and the second through hole on drive circuit board, and with
One through hole and second is in contact by upper conductive metal layer, so as to realize the electrical connection of LED filament and drive circuit board, due to
Electrical connection is realized by the way of contact, therefore can directly be assembled, without being carried out using the mode of welding
Connection, can not only save substantial amounts of installation time, nor occur because welding cause loss the problem of, it can in addition contain
Reduce the area of its link position so that the fabric swatch of drive circuit board is also simpler.
2nd, a kind of LED filament lamp provided by the invention realizes consolidating between seal wire and drive circuit board by fixed support
Fixed and contact, can also further reduce the assembly difficulty between seal wire and drive circuit board, so as to further improve
The efficiency of assembling, support bracket fastened structure can also be convenient to the support bracket fastened assembling and fixation.
Brief description of the drawings
Fig. 1 shows the profile of LED filament lamp.
Fig. 2 shows the explosive view of LED filament lamp.
Fig. 3 shows support bracket fastened schematic diagram.
Fig. 4 shows stem and support bracket fastened installation diagram.
Embodiment
To further illustrate each embodiment, the present invention is provided with accompanying drawing.These accompanying drawings are the invention discloses the one of content
Point, it can coordinate the associated description of specification to explain the operation principles of embodiment mainly to illustrate embodiment.Coordinate ginseng
These contents are examined, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention.In figure
Component be not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
In conjunction with the drawings and specific embodiments, the present invention is further described.
As depicted in figs. 1 and 2, the invention provides a kind of LED filament lamp, including cell-shell 1, stem 2, LED drive power
3rd, lamp holder 4 and LED filament 5, the LED filament 5 are fixed on stem 2, and with it is spaced leave for the direction of lamp holder 4 extension
One positive pole seal wire 60 and a negative pole seal wire 62, the LED drive power 3 include drive circuit board 30 and are arranged on drive circuit
The quantity of the LED filament 5 shown in electronic component 32 on plate 30, wherein Fig. 1 and Fig. 2 is 2, but can be in practical application
One or more, connection can be realized between LED filament by way of series, parallel or series connection and parallel combination；Fig. 1
With merely illustrate the maximum electric capacity of one of volume with the electronic component 32 in Fig. 2 to represent its space taken, Qi Ta electricity
Subcomponent does not show that, and the circuit structure of driving power is also prior art, is no longer repeated herein；Lamp holder is with size
Less E12 lamp holders come for example, practical application can also use E14, E27 etc..
With reference to figure 1 and Fig. 2, the drive circuit board 30 is provided with the spaced through hole of first through hole 300 and second
302, the position of the through hole 302 of first through hole 300 and second is corresponding with positive pole seal wire 60 and negative pole seal wire 62 respectively, and described first
All there is conductive metal layer, the electricity on the conductive metal layer and drive circuit board 30 on the inwall of the through hole 302 of through hole 300 and second
Road is electrically connected, and conductive metal layer can sink copper technology to realize using the via of PCB production technologies, and the positive pole seal wire 60 is worn
Cross first through hole 300 and be in contact with the conductive metal layer in first through hole 300, the negative pole seal wire 62 passes through the second through hole
302 and it is in contact with the conductive metal layer on the second through hole 302, so as to realize being electrically connected for LED filament 5 and LED drive power 3
Connect.It is the wire with certain degree of hardness to be usually due to positive pole seal wire and negative pole seal wire, such as nickel wire, therefore positive pole seal wire
60th, can be achieved a fixed connection between negative pole seal wire 62 and the through hole 302 of first through hole 300 and second using interference fit.
Referring to figs. 2 and 3 as one to be interfixed between positive pole seal wire 60 and negative pole seal wire 62 and drive circuit board 30
Individual preferred embodiment, the LED filament lamp also include one insulation fixed support 7, the fixed support 7 include body 70 and
The spaced cylinder 74 of first cylinder 72 and second on body, the position of the cylinder 74 of the first cylinder 72 and second
The through hole 302 of first through hole 300 and second is corresponded to respectively, and first cylinder 72 has solid for fixing the first of positive pole seal wire 60
Determine portion 720, second cylinder 74 has the second fixed part 740 for being used for fixing negative pole seal wire 62, positive pole seal wire 60 and negative pole
Seal wire 62 is separately fixed on the first fixed part 720 and the second fixed part 740, the first cylinder 72 and the second cylinder 74, through
Cause after one through hole 300 and the second through hole 302 positive pole seal wire 60 and negative pole seal wire 62 respectively with the through hole of first through hole 300 and second
Conductive metal layer on 302 is electrically connected.
With reference to figure 3 and Fig. 4, first fixed part 720 is the first groove of a U-typed, and first groove is positioned at the
One cylinder 72 is towards on one end of drive circuit board.Second fixed part 740 is the second groove of a U-typed, described second
Groove is located at the second cylinder 74 towards on one end of drive circuit board.Because the first fixed part 720 and the second fixed part 740 are all
The groove of " U "；Extend from cell-shell to lamp holder direction one section of the positive pole seal wire 60 is stuck in first groove, and its endpiece is to carry on the back
Bent from lamp holder to cell-shell direction, and positive pole seal wire 60 forms 2 contact points with the conductive metal layer in first through hole 300；
Extend from cell-shell to lamp holder direction one section of the negative pole seal wire 62 is stuck in second groove, its endpiece with away from lamp holder to bubble
Shell side is to bending, and the conductive metal layer on the through hole 302 of negative pole seal wire 62 and second forms 2 contact points.Positive pole seal wire with
First through hole forms 2 contact points, and negative pole seal wire and the second through hole form 2 contact points, are not only assembling the mistake of the filament lamp
Seal wire can form more preferable electrical contact, and the first cylinder on fixed support with the conductive metal layer in corresponding through hole in journey
When being respectively engaged with the second cylinder in first through hole and the second through hole, whole interface arrangment is also more stable, is not likely to produce
Rock, positive pole seal wire and negative pole seal wire will not also skid off out of groove.
With reference to figure 3 and Fig. 4, it is further preferred that the external diameter of the positive pole seal wire is d1, the external diameter of first cylinder is
D1, the internal diameter of the first through hole is Hd1, meets that 2d1+D1 is more than or equal to Hd1；The external diameter of the negative pole seal wire is d2, institute
The external diameter for stating the second cylinder is D2, and the internal diameter of second through hole is Hd2, meets that 2d2+D2 is more than or equal to Hd2.So that first
When cylinder and the second cylinder are plugged in first through hole and the second through hole, tight fit was formed, in order to assemble.
With reference to figure 3, wherein the first cylinder 72 is different with the length of the second cylinder 74.To distinguish the positive pole of LED filament and bear
Pole, play a part of fool proof.
With reference to Fig. 3 and Fig. 4, the stem 2 toward one end 20 of lamp holder be in horn-like, the sheet of the fixed support 7
Body 70 is in the form of annular discs, and its periphery has chamfering so that and the body 70 of fixed support 7 and the horn mouth of stem 2 match, the
After one cylinder 72 and the second cylinder 74 are plugged into the through hole 302 of first through hole 300 and second, the body 70 of fixed support 7 is located at
In horn mouth, support bracket fastened installation is not only convenient for, more stablizes after also causing whole fixed support installation, will not rock.
With reference to figure 2, the LED filament lamp also includes an insulating sleeve 8, and the insulating sleeve 8 is socketed in the interior of lamp holder 4
Portion, the LED drive power 3 are located in insulating sleeve 8, are put into due to narrow space in lamp holder 4, therefore by driving power 3
After in lamp holder, the drive circuit board 30 and electronic component 32 of driving power 3 can lean on very near with lamp holder, and insulating sleeve 8
The electric equipment compartment between driving power 3 and lamp holder 4 can be ensured away from wherein insulating sleeve 8 is preferably rubber sleeve.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright
In vain, do not departing from the spirit and scope of the present invention that appended claims are limited, in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (6)
1. a kind of LED filament lamp, including cell-shell, stem, LED drive power, lamp holder and LED filament, it is characterised in that：It is described
LED filament is fixed on stem, and with it is spaced leave for lamp holder direction extension a positive pole seal wire and a negative pole seal wire,
The LED drive power includes drive circuit board and the electronic component that is arranged on drive circuit board, on the drive circuit board
Provided with spaced first through hole and the second through hole, all there is conductive gold on the inwall of the first through hole and the second through hole
Belong to layer, the circuit on the conductive metal layer and drive circuit board is electrically connected, and the positive pole seal wire is through first through hole and with the
Conductive metal layer on one through hole is in contact, the negative pole seal wire through the second through hole and with the conductive metal layer on the second through hole
It is in contact.
2. LED filament lamp according to claim 1, it is characterised in that：Also include the fixed support of an insulation, the fixation
Support includes body and spaced first cylinder and the second cylinder on body, first cylinder and the second post
The position of body corresponds to first through hole and the second through hole respectively, and first cylinder, which has, is used for the first fixation for fixing positive pole seal wire
Portion, second cylinder have the second fixed part for being used for fixing negative pole seal wire；First fixed part is the first of a U-typed
Groove, first groove are located at the first cylinder towards on one end of drive circuit board；Second fixed part is a U-typed
Second groove, second groove are located at the second cylinder towards on one end of drive circuit board；The positive pole seal wire from cell-shell to
One section of lamp holder direction extension is stuck in first groove, and its endpiece away from lamp holder to cell-shell direction to be bent, and positive pole is led
Silk forms 2 contact points with the conductive metal layer in first through hole；The negative pole seal wire extend from cell-shell to lamp holder direction one
Section is stuck in second groove, and its endpiece away from lamp holder to cell-shell direction to bend, and on negative pole seal wire and the second through hole
Conductive metal layer forms 2 contact points.
3. LED filament lamp according to claim 2, it is characterised in that：The external diameter of the positive pole seal wire is d1, described first
The external diameter of cylinder is D1, and the internal diameter of the first through hole is Hd1, meets that 2d1+D1 is more than or equal to Hd1；The negative pole seal wire
External diameter is d2, and the external diameter of second cylinder is D2, and the internal diameter of second through hole is Hd2, meets that 2d2+D2 is more than or equal to
Hd2。
4. LED filament lamp according to claim 2, it is characterised in that：The length of first cylinder and the second cylinder is not
Together.
5. LED filament lamp according to claim 2, it is characterised in that：The stem toward one end of lamp holder be in loudspeaker
Shape, the support bracket fastened body is in the form of annular discs, and its periphery has chamfering.
6. LED filament lamp according to claim 1, it is characterised in that：Also include an insulating sleeve, it is described to be dielectrically separated from
It is socketed in inside lamp holder, the LED drive power is located in insulating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033420.XA CN107620875A (en) | 2017-10-30 | 2017-10-30 | A kind of LED filament lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033420.XA CN107620875A (en) | 2017-10-30 | 2017-10-30 | A kind of LED filament lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107620875A true CN107620875A (en) | 2018-01-23 |
Family
ID=61093404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711033420.XA Pending CN107620875A (en) | 2017-10-30 | 2017-10-30 | A kind of LED filament lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107620875A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253350A (en) * | 2018-02-06 | 2018-07-06 | 福建众益太阳能科技股份公司 | A kind of filament Lawn lamp |
| CN111006139A (en) * | 2020-01-06 | 2020-04-14 | 海宁市新宇光能科技有限公司 | Hard guide wire filament lamp |
| CN111322536A (en) * | 2020-01-06 | 2020-06-23 | 海宁市新宇光能科技有限公司 | Hard wire filament lamp production host |
| CN114909612A (en) * | 2021-06-01 | 2022-08-16 | 浙江阳光照明电器集团股份有限公司 | LED filament lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105090907A (en) * | 2015-09-09 | 2015-11-25 | 漳州立达信光电子科技有限公司 | Electric connection structure of LED lamp |
| EP3106740A1 (en) * | 2015-06-19 | 2016-12-21 | Xiamen Lee Brothers Co., Ltd. | Led filament lamp |
| CN206112580U (en) * | 2016-10-19 | 2017-04-19 | 漳州立达信光电子科技有限公司 | LED (Light emitting diode) filament lamp |
| CN206112584U (en) * | 2016-10-21 | 2017-04-19 | 浙江阳光美加照明有限公司 | A bonding wire coupling mechanism exempts from that is used for LED to aerify ball bubble lamp |
| CN207407094U (en) * | 2017-10-30 | 2018-05-25 | 厦门海莱照明有限公司 | A kind of LED filament lamp |
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2017
- 2017-10-30 CN CN201711033420.XA patent/CN107620875A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3106740A1 (en) * | 2015-06-19 | 2016-12-21 | Xiamen Lee Brothers Co., Ltd. | Led filament lamp |
| CN105090907A (en) * | 2015-09-09 | 2015-11-25 | 漳州立达信光电子科技有限公司 | Electric connection structure of LED lamp |
| CN206112580U (en) * | 2016-10-19 | 2017-04-19 | 漳州立达信光电子科技有限公司 | LED (Light emitting diode) filament lamp |
| CN206112584U (en) * | 2016-10-21 | 2017-04-19 | 浙江阳光美加照明有限公司 | A bonding wire coupling mechanism exempts from that is used for LED to aerify ball bubble lamp |
| CN207407094U (en) * | 2017-10-30 | 2018-05-25 | 厦门海莱照明有限公司 | A kind of LED filament lamp |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253350A (en) * | 2018-02-06 | 2018-07-06 | 福建众益太阳能科技股份公司 | A kind of filament Lawn lamp |
| CN111006139A (en) * | 2020-01-06 | 2020-04-14 | 海宁市新宇光能科技有限公司 | Hard guide wire filament lamp |
| CN111322536A (en) * | 2020-01-06 | 2020-06-23 | 海宁市新宇光能科技有限公司 | Hard wire filament lamp production host |
| CN111006139B (en) * | 2020-01-06 | 2024-05-03 | 海宁市新宇光能科技有限公司 | Hard guide wire filament lamp |
| CN111322536B (en) * | 2020-01-06 | 2024-05-07 | 海宁市新宇光能科技有限公司 | Hard guide wire filament lamp production host |
| CN114909612A (en) * | 2021-06-01 | 2022-08-16 | 浙江阳光照明电器集团股份有限公司 | LED filament lamp |
| CN114909612B (en) * | 2021-06-01 | 2024-04-05 | 浙江阳光照明电器集团股份有限公司 | LED filament lamp |
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