CN107035979A - A kind of bent filament bar and the LED filament lamp using the filament bar - Google Patents
A kind of bent filament bar and the LED filament lamp using the filament bar Download PDFInfo
- Publication number
- CN107035979A CN107035979A CN201710285702.2A CN201710285702A CN107035979A CN 107035979 A CN107035979 A CN 107035979A CN 201710285702 A CN201710285702 A CN 201710285702A CN 107035979 A CN107035979 A CN 107035979A
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- Prior art keywords
- metal
- parallel circuit
- circuit board
- led
- row
- Prior art date
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 117
- 239000002184 metal Substances 0.000 claims abstract description 117
- 229910000679 solder Inorganic materials 0.000 claims abstract description 21
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims abstract description 3
- 239000003292 glue Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 241000218202 Coptis Species 0.000 description 2
- 235000002991 Coptis groenlandica Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- CBVWMGCJNPPAAR-HJWRWDBZSA-N (nz)-n-(5-methylheptan-3-ylidene)hydroxylamine Chemical compound CCC(C)C\C(CC)=N/O CBVWMGCJNPPAAR-HJWRWDBZSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
- H01L33/50—Wavelength conversion elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
Abstract
The invention discloses the LED filament lamp of a kind of bent filament bar and use the filament bar, the filament bar includes caning be folded into spiral helicine metal circuit board, its two ends is respectively provided with end metal electrode, it has printed wire, the multiple row parallel circuit and multiple connection lines that printed wire is distributed by uniform intervals along its length are constituted, one of end metal electrode is connected with first row parallel circuit, another end metal electrode is connected with last row parallel circuit, adjacent two row parallel circuit is connected by connection line, parallel circuit includes two sub-line roads arranged in parallel in the width direction, the two ends on sub-line road are respectively provided with metal solder joints, LED chip is connected to by metal routing mode between corresponding two metal solder joints in position on width, uniform intervals are carved with a plurality of parallel oblique fold wire casing along its length at the back side of metal circuit board, its position and metal wire, the position of LED chip is not corresponded to；Advantage is to reduce cost using common metal wiring board and metal routing technology.
Description
Technical field
The present invention relates to a kind of filament and LED filament lamp, more particularly, to a kind of bent filament bar and the lamp is used
The LED filament lamp of strand.
Background technology
The filament that LED filament lamp has entered in popular family, most of LED filament lamp extensively is connected by multiple LED light bars
Be connected together composition, and conventional LED light bar is hard lamp bar, and it includes hard substrate and the plurality of LEDs chip being bonded on hard substrate,
Linked together between LED chip by way of metal routing.This LED filament lamp, on the one hand, due between LED light bar
And be required for being welded to connect between LED light bar and driving power supply, solder joint is more, therefore causes assembly connection inconvenient；It is another
Aspect, lighting angle is big not enough.
In order to solve the problem of hard lamp bar is present, LED flexible light bar is developed, LED flexible light bar is easily bent into each
Plant shape, such as helical form so that the solder joint using the LED filament lamp of the LED flexible light bar is few, and lighting angle increases, it is non-
Often it is similar to traditional incandescent lamp.Existing LED flexible light bar generally uses soft base plate, if will by way of metal routing
The LED chip of formal dress is connected, then easily make the metal thread breakage of connection LED chip during soft base plate bending fold, it is clear that
This LED chip mounting means is not applied to simultaneously, it is therefore necessary to layer printed circuit layer is first etched on soft base plate, then by upside-down mounting
LED chip be welded on layer printed circuit board and connect, but this causes the cost increase of LED flexible light bar, is not suitable for making
With the popularization of the LED filament lamp of the LED flexible light bar.
The content of the invention
The technical problems to be solved by the invention be to provide it is a kind of using common metal wiring board and metal routing technology come
The bent filament bar of cost is reduced, and uses the LED filament lamp of the filament bar.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of bent filament bar, its feature exists
In the metal circuit board including caning be folded into spiral helicine slice shape, the two ends of described metal circuit board are respectively arranged with end gold
Belonging to has printed wire in electrode, described metal circuit board, described printed wire is by the length along described metal circuit board
Spend the multiple row parallel circuit and multiple connection lines composition of direction uniform intervals distribution, end metal electrode described in one of them with
Parallel circuit connection described in first row, the end metal electrode described in another is connected with the parallel circuit described in last row,
Adjacent two arrange described parallel circuit is connected by described connection line, and described connection line is located at described in adjacent two row
In gap between parallel circuit, the parallel circuit described in each column is flat including two widths along described metal circuit board
The sub-line road of between-line spacing arrangement, the two ends on each described sub-line road are each provided with metal solder joints, the parallel circuit described in each column
In two described in sub-line road on position it is corresponding two described in metal solder joints between connected by way of metal routing
There is LED chip, the LED chip described in many is connected or connection in series-parallel by described printed wire, outside all described LED chips
It is coated with fluorescent glue, the length direction uniform intervals of the back side of described metal circuit board along described metal circuit board, which are carved, to be provided with
A plurality of parallel oblique fold wire casing, described oblique fold wire casing is across on the width of described metal circuit board, institute
The position for the oblique fold wire casing stated and the position of described metal wire be not corresponding, and with the position of described LED chip also not
Correspondence.
Sub-line road described in first in parallel circuit described in the previous column of the described parallel circuit of adjacent two row with
The sub-line road described in second in parallel circuit described in latter row is connected by the connection line described in one, first row institute
The sub-line road described in second in the parallel circuit stated is connected with the end metal electrode described in one of them, and last row is described
Parallel circuit in first described in sub-line road be connected with the end metal electrode described in another.
Described metal circuit board is by metal substrate, the lower insulating barrier being arranged on the front of described metal substrate, print
The printed wire described on the upper surface of described lower insulating barrier is brushed, is arranged on described printed wire and is not provided with
Upper insulating barrier composition on the region for the metal solder joints stated, described oblique fold wire casing carves the back of the body located at described metal substrate
On face.Here, metal substrate is aluminium base or copper base or iron substrate etc..
Fluorescent glue is also coated with outside the metal wire of the described LED chip of connection, fluorescent glue is coated in outside metal wire, can be protected
Metal wire；In the specific implementation, for convenience of coating, generally, whole where upper insulating barrier, metal wire, LED chip
Fluorescent glue is coated on region；Also can be that selection is not coated by fluorescent glue at the corresponding position of oblique fold wire casing in burst.Here,
Metal wire is gold thread or copper cash or aluminum steel or alloy wire.
The surface plating of described metal solder joints is provided with silver layer, not upper insulating barrier.
A kind of LED filament lamp using above-mentioned bent filament bar, including stem, the stem of described stem obstruct
The LED filament of helically body is installed, it is characterised in that described LED filament folded by described bent filament bar and
Into the end metal electrode described in two in described bent filament bar and two wire guides one on described stem
One correspondence connection.
Compared with prior art, the advantage of the invention is that：
1）The metal circuit board for being provided with LED chip can be folded into the LED filament of conveyor screw according to oblique fold wire casing, should
LED filament be applied to LED filament lamp when, only need to by two end metal electrodes free end be welded to connect with external circuit, such as with
Driving power supply is welded to connect, i.e., only two solder joints, solder joint is few, and assembling is simple, and due to LED filament helically body, therefore hair
Angular is big.
2）Because the position of oblique fold wire casing and the position of metal wire be not corresponding, the position also with LED chip is not corresponding,
There was only sub-line road or connection line at oblique fold wire casing, without metal wire and LED chip, therefore LED chip is installed
Metal circuit board will not cause metal thread breakage when folding, and also not interfere with LED chip.
3）Only need to be using conventional metal circuit board and metal routing technology, therefore effectively reduce manufacturing cost.
4）Few using solder joint of the LED filament lamp of bent filament bar in assembling, assembly connection is convenient；Lighting angle
Greatly；And because only need to using conventional metal circuit board and metal routing technology, therefore effectively reduce LED filament lamp into
This, is adapted to popularizing for the LED filament lamp.
Brief description of the drawings
Fig. 1 a are bent filament bar of the invention（It is not coated with fluorescent glue）Overall structure diagram；
Fig. 1 b are the enlarged diagram of part A in Fig. 1 a；
Fig. 2 a are bent filament bar of the invention（It is coated with fluorescent glue）Overall structure diagram；
Fig. 2 b are the enlarged diagram of part B in Fig. 2 a；
The structural representation of the LED filament for the helically body that Fig. 3 is folded into for the bent filament bar of the present invention；
Fig. 4 is the structure of the LED filament lamp of the LED filament for the helically body being folded into using the bent filament bar of the present invention
Schematic diagram.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：
A kind of bent filament bar that the present embodiment is proposed, as shown in Fig. 1 a, Fig. 1 b, Fig. 2 a and Fig. 2 b, it includes foldable
The metal circuit board 1 of the slice shape of curl, the two ends of metal circuit board 1 are respectively arranged with end metal electrode 2, metallic circuit
There is printed wire 3, printed wire 3 is copper wire, and printed wire 3 is between the length direction along metal circuit board 1 is uniform in plate 1
Constituted every the multiple row parallel circuit and multiple connection lines 31 of distribution, one of end metal electrode 2 and first row parallel circuit
Connection, another end metal electrode 2 is connected with last row parallel circuit, and adjacent two row parallel circuit is connected by connection line 31
Connect, connection line 31 is located in the gap 32 between adjacent two row parallel circuit, each column parallel circuit includes two along metal wire
The sub-line road 33 of the width parallel interval arrangement of road plate 1, the two ends on each sub-line road 33 are each provided with metal solder joints 4, often
Position correspondence on two sub- circuits 33 in row parallel circuit（The position correspondence i.e. along along the width of metal circuit board 1）Two
LED chip 5 is connected between individual metal solder joints 4 by way of metal routing, plurality of LEDs chip 5 is connected by printed wire 3
Or connection in series-parallel, it is coated with fluorescent glue 6 outside all LED chips 5, the length direction of the back side of metal circuit board 1 along metal circuit board 1
Uniform intervals, which are carved, is provided with a plurality of parallel oblique fold wire casing 7, width of the oblique fold wire casing 7 across metal circuit board 1
On, the position of oblique fold wire casing 7 and the position of metal wire 51 be not corresponding, and also not corresponding with the position of LED chip 5.It can press
The metal circuit board 1 for being provided with LED chip 5 is folded into the LED filament of conveyor screw according to oblique fold wire casing 7, the LED filament should
During for LED filament lamp, only need to by two end metal electrodes 2 free end be welded to connect with external circuit, as and driving power supply
It is welded to connect, i.e., only two solder joints, solder joint is few, assembling is simple, and due to LED filament helically body, therefore lighting angle is big；
Because the position of oblique fold wire casing 7 and the position of metal wire 51 be not corresponding, the position also with LED chip 5 is not corresponding, that is, tilts
Fold at wire casing 7 and there was only sub-line road 33 or connection line 31, without metal wire 51 and LED chip 5, therefore LED chip 5 is installed
Metal circuit board 1 fold when metal wire 51 will not be caused to be broken, do not interfere with LED chip 5 yet；Only need to be using conventional metal
Wiring board 1 and metal routing technology, therefore effectively reduce manufacturing cost；The light that fluorescent glue 6 sends LED chip 5 is carried out
Conversion forms white light；The height for the conveyor screw that the metal circuit board 1 of LED chip 5 is folded into is installed by oblique fold wire casing 7
Angle of inclination is determined.
In the present embodiment, first sub- circuit 33 in the previous column parallel circuit of adjacent two row parallel circuit with it is latter
Second sub- circuit 33 in row parallel circuit is connected by a connection line 31, second in first row parallel circuit
Circuit 33 is connected with one of end metal electrode 2, the sub- circuit 33 of first in last row parallel circuit and another end
Metal electrode 2 is connected.
In the present embodiment, metal circuit board 1 is by metal substrate（Not shown in figure）, be arranged at metal substrate front on
Lower insulating barrier（Not shown in figure）, be printed on the upper surface of lower insulating barrier printed wire 3, be arranged on printed wire 3
It is not provided with the upper insulating barrier on the region of metal solder joints 4（Not shown in figure）Composition, the quarter of oblique fold wire casing 7 is located at Metal Substrate
On the back side of plate.Here, metal substrate is aluminium base or copper base or iron substrate etc..
In the present embodiment, fluorescent glue 6 is also coated with outside the metal wire 51 of connection LED chip 5, fluorescent glue 6 is coated in gold
Belong to outside line 51, metal wire 51 can be protected；In the specific implementation, for convenience of coating, generally, in upper insulating barrier, metal wire
51st, fluorescent glue 6 is coated in the whole region where LED chip 5；Also can be the corresponding position of oblique fold wire casing 7 in burst
Place's selection is not coated by fluorescent glue 6.Here, metal wire 51 is gold thread or copper cash or aluminum steel or alloy wire.
In the present embodiment, the surface plating of metal solder joints 4 is provided with silver layer（Not shown in figure）, not upper insulating barrier.
When designing the bent filament bar, more than two sub-line roads 33, phase can be designed with each column parallel circuit
Sub-line road 33 in adjacent two row parallel circuits can be true according to the above-mentioned connected mode provided by way of connection line 31 is connected
It is fixed, only it need to ensure that LED chip 5 is connected or connection in series-parallel by printed wire 3.
Fig. 3 gives the structure of the LED filament for the helically body for being folded into above-mentioned bent filament bar.
Embodiment two：
The present embodiment proposes a kind of LED filament lamp for the bent filament bar that use embodiment one is provided, as shown in figure 4,
It includes lamp holder 91, glass cell-shell 92, the driving power supply being arranged in lamp holder 91（Not shown in figure）, stem 93, helically body
LED filament 94（As shown in Figure 3）, LED filament 94 in the form of being arranged to be installed on the stem stalk 931 of stem 93, LED filament
94 are formed by bent filament bar folding, two end metal electrodes 2 in bent filament bar and two on stem 93
Wire guide 932 is connected one to one, and the stem 93 for being mounted with LED filament 94 is placed in glass cell-shell 92, the loudspeaker of stem 93
The oral area welding of pipe 933 and glass cell-shell 92, makes stem 93 be constituted with glass cell-shell 92 in closed cavity 95, closed cavity 95
Two wire guides 932 on protective gas or heat-conducting gas, stem 93 are filled to stretch out outside stem 93 with being arranged in lamp holder 91
Driving power supply connection, lamp holder 91 is adhesively fixed with glass cell-shell 92.
Claims (6)
1. a kind of bent filament bar, it is characterised in that the metal circuit board including caning be folded into spiral helicine slice shape, institute
The two ends for the metal circuit board stated, which are respectively arranged with end metal electrode, described metal circuit board, has printed wire, described
Printed wire by along described metal circuit board length direction uniform intervals distribution multiple row parallel circuit and multiple connections
Circuit is constituted, and the end metal electrode described in one of them is connected with the parallel circuit described in first row, the end gold described in another
The category electrode parallel circuit described with last row is connected, and the described parallel circuit of adjacent two row is connected by described connection line
Connect, described connection line is located in the gap between the described parallel circuit of adjacent two row, the parallel circuit bag described in each column
Include the sub-line road that two width parallel intervals along described metal circuit board are arranged, the two ends on each described sub-line road
Be each provided with position on the sub-line road described in two in metal solder joints, the parallel circuit described in each column it is corresponding two described in
LED chip is connected between metal solder joints by way of metal routing, the LED chip described in many passes through described track
Road is connected or connection in series-parallel, is coated with fluorescent glue outside all described LED chips, and the back side of described metal circuit board is along described
The length direction uniform intervals of metal circuit board, which are carved, is provided with a plurality of parallel oblique fold wire casing, described oblique fold wire casing across
In on the width of described metal circuit board, the position of described oblique fold wire casing with the position of described metal wire not
Correspondence, and it is also not corresponding with the position of described LED chip.
2. a kind of bent filament bar according to claim 1, it is characterised in that the described parallel circuit of adjacent two row
Previous column described in parallel circuit in first described in sub-line road and latter row described in parallel circuit in second
Described sub-line road is connected by the connection line described in one, the son described in second in the parallel circuit described in first row
Circuit is connected with the end metal electrode described in one of them, the sub-line described in first in the described parallel circuit of last row
Road is connected with the end metal electrode described in another.
3. a kind of bent filament bar according to claim 1 or 2, it is characterised in that described metal circuit board is by gold
Belong to substrate, the lower insulating barrier being arranged on the front of described metal substrate, be printed on the upper surface of described lower insulating barrier
Described printed wire, be arranged at the upper insulation being not provided with described printed wire on the region of described metal solder joints
Layer composition, described oblique fold wire casing is carved on the back side of described metal substrate.
4. a kind of bent filament bar according to claim 3, it is characterised in that the metal of the described LED chip of connection
Fluorescent glue is also coated with outside line.
5. a kind of bent filament bar according to claim 4, it is characterised in that the surface plating of described metal solder joints
Provided with silver layer.
6. the LED filament lamp of the bent filament bar described in a kind of usage right requirement 1, including stem, described stem
The LED filament of helically body is installed, it is characterised in that described LED filament is by described bent filament bar on stem stalk
Folding is formed, the end metal electrode described in two in described bent filament bar and two metals on described stem
Seal wire connects one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285702.2A CN107035979A (en) | 2017-04-27 | 2017-04-27 | A kind of bent filament bar and the LED filament lamp using the filament bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285702.2A CN107035979A (en) | 2017-04-27 | 2017-04-27 | A kind of bent filament bar and the LED filament lamp using the filament bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107035979A true CN107035979A (en) | 2017-08-11 |
Family
ID=59535775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710285702.2A Pending CN107035979A (en) | 2017-04-27 | 2017-04-27 | A kind of bent filament bar and the LED filament lamp using the filament bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107035979A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477381A (en) * | 2017-09-18 | 2017-12-15 | 叶逢新 | LED circuit board and LED support |
| RU183730U1 (en) * | 2018-03-15 | 2018-10-02 | Закрытое акционерное общество "Инновационная фирма "ИРСЭТ-Центр" | LED LAMP |
| CN108895324A (en) * | 2018-07-23 | 2018-11-27 | 浙江阳光美加照明有限公司 | A kind of flexible LED lamp strand |
| RU2686156C1 (en) * | 2018-03-15 | 2019-04-24 | Закрытое акционерное общество "Инновационная фирма "ИРСЭТ-Центр" | Light-emitting diode lamp |
| CN110030508A (en) * | 2019-04-09 | 2019-07-19 | 浙江阳光美加照明有限公司 | Color temperature-tunable flexible LED lamp strand and the filament lamp for using the filament item |
| US11421827B2 (en) | 2015-06-19 | 2022-08-23 | Zhejiang Super Lighting Electric Appliance Co., Ltd | LED filament and LED light bulb |
| US11525547B2 (en) | 2014-09-28 | 2022-12-13 | Zhejiang Super Lighting Electric Appliance Co., Ltd | LED light bulb with curved filament |
| US11543083B2 (en) | 2014-09-28 | 2023-01-03 | Zhejiang Super Lighting Electric Appliance Co., Ltd | LED filament and LED light bulb |
| US11629825B2 (en) | 2014-09-28 | 2023-04-18 | Zhejiang Super Lighting Electric Appliance Co., Lt | LED light bulb with curved filament |
| US11686436B2 (en) | 2014-09-28 | 2023-06-27 | Zhejiang Super Lighting Electric Appliance Co., Ltd | LED filament and light bulb using LED filament |
| US11690148B2 (en) | 2014-09-28 | 2023-06-27 | Zhejiang Super Lighting Electric Appliance Co., Ltd. | LED filament and LED light bulb |
| CN117133853A (en) * | 2023-10-27 | 2023-11-28 | 深圳市欣上科技有限公司 | 360 luminous flexible normal dress LED filament of degree |
| US11892127B2 (en) | 2014-09-28 | 2024-02-06 | Zhejiang Super Lighting Electric Appliance Co., Ltd | LED filament and LED bulb lamp |
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