CN207112413U - A kind of multi color temperature flexible LED lamp silk and light fixture - Google Patents
A kind of multi color temperature flexible LED lamp silk and light fixture Download PDFInfo
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- CN207112413U CN207112413U CN201721056185.3U CN201721056185U CN207112413U CN 207112413 U CN207112413 U CN 207112413U CN 201721056185 U CN201721056185 U CN 201721056185U CN 207112413 U CN207112413 U CN 207112413U
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- silk
- color temperature
- hvleds
- led lamp
- multi color
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- 239000000565 sealant Substances 0.000 claims abstract description 43
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000007650 screen-printing Methods 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- 239000003086 colorant Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 238000005286 illumination Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 238000007639 printing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Technical field of LED illumination is the utility model is related to, discloses a kind of multi color temperature flexible LED lamp silk and light fixture, including：Light-emitting device, external sealant and power module, the light-emitting device, which includes double-surface screen printing, the substrate of circuit, the first flip LED chips, the second flip LED chips；First flip LED chips and the second flip LED chips are separately positioned on the tow sides of the substrate, and connect to form the first HVLEDs and the 2nd HVLEDs respectively by the silk-screen circuit of tow sides；The first external sealant and the second external sealant of the fluorescent material for being mixed with different proportion are respectively coated by the outside of first HVLEDs and the 2nd HVLEDs；The silk-screen circuit of the tow sides connects power module, and the size of current for the silk-screen circuit for flowing through the tow sides is controlled by the power module.Flexible LED lamp silk of the present utility model can arbitrarily fold and changes shape, and the function of multiple color temperatures regulation can be achieved.
Description
Technical field
It the utility model is related to LED illumination applied technical field, more particularly to a kind of multi color temperature flexible LED lamp silk and light fixture.
Background technology
With the development day by day of LED illumination technology, LED filament is more and more applied to various occasions, for LED
The requirement also more and more higher of silk.Some is all the LED filament of normal monochrome temperature currently on the market, as market is to variable color-temperature
It is required that the LED filament of multi color temperature can progress into market, and demand can be increasing.Existing LED filament is mostly monochromatic light
Or single color temperature light sources, filament by the control of electric current, can only debug the height of light-source brightness, filament can not debug the change of colour temperature
Change.
The purpose of this utility model is to provide a kind of multi color temperature flexible LED lamp silk and light fixture, to solve above-mentioned background technology
The problem of middle proposition.
Utility model content
For problems of the prior art, main purpose of the present utility model is to provide a kind of multi color temperature LED soft
Filament and light fixture, reach above-mentioned purpose by controlling the flexible LED lamp silk of multi color temperature to export the light of multiple color temperatures.
The utility model provides a kind of multi color temperature flexible LED lamp silk, and the multi color temperature flexible LED lamp silk includes：Light-emitting device,
External sealant and power module, the light-emitting device, which includes double-surface screen printing, has the substrate of circuit, the first flip LED chips, second to fall
Fill LED chip；First flip LED chips and the second flip LED chips are separately positioned on the tow sides of the substrate, and
Connect to form the first HVLEDs and the 2nd HVLEDs respectively by the silk-screen circuit of tow sides；First HVLEDs and second
The first external sealant and the second external sealant of the fluorescent material for being mixed with different proportion are respectively coated by the outside of HVLEDs；Described positive and negative two
The silk-screen circuit in face connects power module, and the electricity for the silk-screen circuit for flowing through the tow sides is controlled by the power module
Flow size.
Preferably, the silk-screen circuit of the light-emitting device tow sides can realize be separately energized and while be powered three kinds be powered
Combination.
Preferably, the silk-screen circuit by tow sides connects to form the first HVLEDs and the 2nd HVLEDs respectively
In, the series connection replaces with the mode that in parallel or connection in series-parallel is combined.
In the preferred embodiment of the utility model one, the power module include exportable two-way current adjustment can transfer drive
Dynamic power supply, first switch and second switch；The two-way delivery outlet of the adjustable driving power passes through first switch and second respectively
Switch is connected to the silk-screen circuit of the first HVLEDs and the 2nd HVLEDs.
Preferably, the substrate is flexible base board, and first external sealant and the second external sealant are made up of heat conductive silica gel.Institute
The material for stating substrate is polyimides, and covering glue material is epoxy resin or silica gel or silicon gum.
Preferably, the first flip LED chips of the multiple connection are the chip or different colors of identical illuminant colour
Chip, the second flip LED chips of the multiple connection are the chip of identical illuminant colour or the chip of different colors.
Preferably, the first external sealant 180 degree coats the first HVLEDs and the substrate, second external sealant
180 degree coats the substrate and the 2nd HVLEDs.
In addition, the utility model additionally provides a kind of LED lamp of adjustable color temperature, the LED of the adjustable color temperature
Tool includes column, fixed component, lampshade, power module, lamp holder and any of the above-described described multi color temperature flexible LED lamp silk, described more
Colour temperature flexible LED lamp silk is connected by binding post with fixed component, is fixed on column, and column links into an integrated entity with lampshade, electricity
With being placed in after filament electric interconnection in lamp holder, lamp holder is fastenedly connected source module with lampshade.
The technical scheme of the utility model embodiment provides a kind of multi color temperature flexible LED lamp silk and light fixture, the utility model
The technical scheme of embodiment has following remarkable result：
Compared with prior art, the beneficial effects of the utility model are：The utility model is because substrate is using relatively thin resistance to
High-temperature material is made, soft texture, while light-emitting device coats resistant to elevated temperatures heat conductive silica gel, and silica gel also has soft well in itself
Toughness, therefore the flexible LED lamp silk can arbitrarily fold and changes shape；Substrate tow sides all silk-screens have circuit, and tow sides are all
Provided with multiple flip LED chips, light-emitting device tow sides circuit can realize positive and negative be separately energized and while be powered three kinds lead to
Electricity combination, by controlling two sides cascaded H VLEDs size of current, different brightness combinations is realized, is coordinated with external sealant fluorescent material
The function of multiple color temperatures regulation can be achieved afterwards, it is more extensive relative to existing product use range, it is easier to meet market
Demand.
Brief description of the drawings
Fig. 1 is a kind of longitudinal sectional drawing for multi color temperature flexible LED lamp silk that the utility model embodiment provides.
Fig. 2 is a kind of transverse cross-sectional view for multi color temperature flexible LED lamp silk that the utility model embodiment provides.
Fig. 3 is the electrical control for the multi color temperature flexible LED lamp silk that the utility model embodiment provides.
Fig. 4 is a kind of structural representation for adjustable color temperature LED lamp that the utility model embodiment provides.
In figure：101- substrates, the flip LED chips of 102- first, the flip LED chips of 103- second, the external sealants of 104- first,
The external sealants of 105- second, 106- the first silk-screen circuits, 107- the second silk-screen circuits；1- multi color temperature flexible LED lamp silks, 2- columns, 3-
Fixed component, 4- lampshades, 5- lamp holders.
Embodiment
, below will knot to enable purpose of utility model of the present utility model, feature, advantage more obvious and understandable
The accompanying drawing in the utility model embodiment is closed, the technical scheme in the embodiment of the utility model is clearly and completely described,
Obviously, described embodiment is only the utility model part of the embodiment, and not all embodiments.Based on the utility model
In embodiment, the every other embodiment that those skilled in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint
Relative importance.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " coupling ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Other feature and advantage of the present utility model will illustrate in subsequent specification, also, partly from specification
Become apparent, or understood by implementing the utility model embodiment.The purpose of this utility model and other advantages can
Realize and obtain by specifically noted structure in the specification, claims and accompanying drawing write.
To achieve the above object, the utility model provides following technical scheme：
In the present embodiment, as shown in Figure 1-2, Fig. 1 is that a kind of multi color temperature LED that the utility model embodiment one provides is soft
The longitudinal sectional drawing of filament；Fig. 2 is a kind of transverse cross-sectional view for multi color temperature flexible LED lamp silk that the utility model embodiment provides.
The multi color temperature flexible LED lamp silk 1, including light-emitting device, the light-emitting device include the resistant to elevated temperatures substrate that double-surface screen printing has circuit
101, substrate thickness 0.5-1.2mm, soft texture, it can fold, changes shape；Tow sides are provided with the substrate 101
Multiple flip LED chips, such as the first flip LED chips 102 and the second flip LED chips 103, by the He of flip LED chips 102
103 are directly bound on circuit base plate, are connected into HVLEDs；The outside cladding external sealant of the light-emitting device, external sealant use
High temperature resistant can the heat conductive silica gel of rapid shaping be made, and fluorescent material is mixed with external sealant, mixing fluorescence in tow sides external sealant
The ratio of powder is different；The light-emitting device tow sides circuit can realize be separately energized and while be powered three kinds be powered combine,
By controlling two sides cascaded H VLEDs size of current, different brightness combinations is realized, can be real after coordinating with external sealant fluorescent material
The function of existing multiple color temperatures regulation.
In the utility model preferred embodiment, more specifically, as shown in figure 1, the outside of the first flip LED chips 102
The first external sealant 104, the outside of the second flip LED chips 103 the second external sealant 105 of cladding are coated, external sealant 104 and 105 uses
High temperature resistant can the heat conductive silica gel of rapid shaping be made, and fluorescent material is all mixed with first, second external sealant 104 and 105, but
First, the ratio of mixed fluorescent powder is different in the second external sealant 104 and 105, it will be understood that, such as：First external sealant 104
The fluorescent material ratio of interior mixing is（It is red：Yellow green=2:1）, the fluorescent material ratio of mixing is in the second external sealant 105（It is red：
Yellow green=3:5）, so can be real by adjusting the colour temperature of the external sealant 105 of the first external sealant 104 and second respectively
Now the adjustable LED filament 1 of the multi color temperature shows multiple color.Specifically, the first flip LED chips 102 are by substrate
The series connection of first silk-screen circuit 106 forms the first HVLEDs, and the second flip LED chips 103 pass through the second silk-screen circuit on substrate
107 series connection formed the 2nd HVLEDs, the first, second silk-screen circuit 106 and 107 can realize be separately energized and simultaneously energization three
Kind, which is powered, to be combined, and by controlling the first and second HVLEDs size of current, different brightness combinations is realized, with external sealant fluorescence
The function of multiple color temperatures regulation can be achieved in powder after coordinating.For example, by controlling the first silk-screen circuit 106 and the second silk-screen circuit
First HVLEDs colour temperature regulation is arrived 2000K by the electric current flowed through in 107, and the 2nd HVLEDs colour temperature regulation is arrived into 5000K, this
Sample can show a kind of color；On the other hand, again by the first silk-screen circuit 106 of control and the second silk-screen circuit 107
The electric current flowed through, 4000K is arrived into the first HVLEDs colour temperature regulation, the 2nd HVLEDs colour temperature is increased into 6000K, then again can
To show another color.The silk-screen circuit connection power module of the tow sides, and controlled by the power module
Flow through the size of current of the silk-screen circuit of the tow sides.
In addition, multiple color temperatures regulatory function can also be accomplished by the following way in the utility model：
Mode one：The ratio of mixed fluorescent powder is different in first, second external sealant 104 and 105, and first and second
The size of current passed through in HVLEDs is the same, by controlling the change of the same current size, realizes different brightness combinations, with
The function of multiple color temperatures regulation can be achieved after fluorescent material coordinates in external sealant 104 and 105.
Mode two, the silk-screen circuit by tow sides connect to form the first HVLEDs and the 2nd HVLEDs respectively
In, the series connection replaces with the mode that in parallel or connection in series-parallel is combined.
Preferably, the first flip LED chips of the multiple connection are the chip or different colors of identical illuminant colour
Chip, the second flip LED chips of the multiple connection are the chip of identical illuminant colour or the chip of different colors.
Preferably, the first external sealant 180 degree coats the first HVLEDs and the substrate, second external sealant
180 degree coats the substrate and the 2nd HVLEDs.
In the utility model preferred embodiment two, because substrate 101 uses relatively thin exotic material to be made, quality
Softness, while cladding external sealant 104 and 105 on the outside of light-emitting device, the external sealant 104 and 105 is by resistant to elevated temperatures heat conductive silica gel
It is made, external sealant 104 and 105 itself has good pliability, therefore filament is very soft, can arbitrarily fold and changes shape；Base
The tow sides of plate 101 all silk-screens have circuit, and tow sides are designed with flip LED chips 102 and 103, and circuit is all that silk thread is formed,
Also there is foldability, although flip LED chips can not fold, because its size is smaller, therefore can't influence entirely to send out
The folding property of electro-optical device；Therefore, LED filament of the present utility model can form filament of different shapes by folding, and can meet
The various demands of client, also adapt to the shape of various light fixtures.The thickness of the substrate 1 is 0.5-1.2mm.The adjustable color
The diameter of flexible LED lamp silk 1 could be arranged to 0.5mm-4mm, and length can be more than 10mm, and shape can arbitrarily be bent.
Preferably, the substrate 101 can be transparent flexible base board, or the flexible base board of coloured high printing opacity,
Its material can be polyimides, because it has good mechanical performance, very high radiation-resistant property and dielectric properties etc.,
In addition, the substrate 101 can also be made up of other flexible materials or hard material.
Preferably, the ring containing various concentrations fluorescent material can be mixed with first, second external sealant 104 and 105
Oxygen tree fat or silica gel or silicon gum.
In the utility model preferred embodiment three, as shown in figure 3, the multi color temperature provided for the utility model embodiment
The electrical control of flexible LED lamp silk, the adjustable driving power 201 of the power module including exportable two-way current adjustment, the
One switch 202 and second switch 203；The two-way delivery outlet of the adjustable driving power 201 passes through first switch 202 and respectively
Two switches 203 are connected to the silk-screen circuit of the first HVLEDs 204 and the 2nd HVLEDs 205.By controlling first switch
202 and second switch 203 the i.e. controllable electric current by the first HVLEDs 204 and the 2nd HVLEDs 205 of shut-off shut-off,
It is the adjustable size of current for flowing through the first HVLEDs 204 and the 2nd HVLEDs 205 by adjustable driving power 201, therefore,
It can realize that the different brightness of HVLEDs is combined by the power module, multiple color temperatures, which can be achieved, after coordinating with external sealant fluorescent material adjusts
The function of section.
In the utility model preferred embodiment four, it is made up of multi color temperature flexible LED lamp silk provided by the utility model
The LED lamp of adjustable color temperature is specific as shown in figure 4, a kind of adjustable color temperature LED lamp provided for the utility model embodiment three
Structural representation.The adjustable color temperature LED lamp, including multi color temperature flexible LED lamp silk 1, column 2, fixed component 3, lampshade 4, electricity
Source module, lamp holder 5.Multi color temperature flexible LED lamp silk 1 of the present utility model is connected by binding post with fixed component 3, is fixed on vertical
On post 2, column 2 links into an integrated entity with lampshade 4, and power module after filament electric interconnection with being placed in lamp holder 5, lamp holder 5 and lampshade 4
It is fastenedly connected.The two-way HVLEDs binding posts that multi color temperature flexible LED lamp silk 1 is drawn are fixed on column 2 by fixed component 3 respectively
On, fixed component 3 plays anchored filament Mechanical Builds and realizes the electric interconnection of filament and power module；Column 2 connects with lampshade 4
One is connected into, plays a part of protecting filament；Power module is placed in lamp holder, and lamp holder is fastenedly connected with lampshade, passes through power supply mould
Block forms electric interconnection with lamp holder, to complete the electric loop of whole light fixture；Pass through electric power source pair of module multi color temperature flexible LED lamp silk 1
Two-way HVLEDs current control, the purpose and effect of whole light fixture adjustable color temperature can be achieved.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
It is described above, preferred embodiment only of the present utility model, it is not intended to limit protection of the present utility model
Scope, all made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in
Within the scope of protection of the utility model.
Claims (9)
1. a kind of multi color temperature flexible LED lamp silk, it is characterised in that the multi color temperature flexible LED lamp silk includes：Light-emitting device, external sealant
And power module, the light-emitting device, which includes double-surface screen printing, the substrate of circuit, the first flip LED chips, the second flip LED core
Piece；First flip LED chips and the second flip LED chips are separately positioned on the tow sides of the substrate, and by just
The silk-screen circuit on anti-two sides connects to form the first HVLEDs and the 2nd HVLEDs respectively；First HVLEDs and the 2nd HVLEDs
Outside be respectively coated by the first external sealant and the second external sealant of the fluorescent material for being mixed with different proportion；The silk of the tow sides
Circuit connection power module is printed, and the electric current for the silk-screen circuit for flowing through the tow sides by power module control is big
It is small.
2. multi color temperature flexible LED lamp silk according to claim 1, it is characterised in that the silk of the light-emitting device tow sides
Print circuit can realize be separately energized and while be powered three kinds be powered combine.
3. multi color temperature flexible LED lamp silk according to claim 1, it is characterised in that the silk-screen electricity by tow sides
Road connects to be formed in the first HVLEDs and the 2nd HVLEDs respectively, and the series connection replaces with the side that in parallel or connection in series-parallel is combined
Formula.
4. multi color temperature flexible LED lamp silk according to claim 1, it is characterised in that the power module includes exportable two
Adjustable driving power, first switch and the second switch of road current adjustment；The two-way delivery outlet difference of the adjustable driving power
The silk-screen circuit of the first HVLEDs and the 2nd HVLEDs is connected to by first switch and second switch.
5. the multi color temperature flexible LED lamp silk according to any one in claim 1-4, it is characterised in that the substrate is soft
Property substrate, first external sealant and the second external sealant are made up of heat conductive silica gel.
6. multi color temperature flexible LED lamp silk according to claim 5, it is characterised in that the material of the substrate is polyimides,
Covering glue material is epoxy resin or silica gel or silicon gum.
7. the multi color temperature flexible LED lamp silk according to any one in claim 1-4, it is characterised in that the institute of multiple connections
The first flip LED chips are stated as the chip of identical illuminant colour or the chip of different colors, second upside-down mounting of multiple connections
LED chip is the chip of identical illuminant colour or the chip of different colors.
8. the multi color temperature flexible LED lamp silk according to any one in claim 1-4, it is characterised in that first covering
Glue 180 degree coats the first HVLEDs and the substrate, and the second external sealant 180 degree coats the substrate and described second
HVLEDs。
9. a kind of LED lamp of adjustable color temperature, it is characterised in that the LED lamp of the adjustable color temperature includes column, fixed part
Part, lampshade, power module, lamp holder and any described multi color temperature flexible LED lamp silks of claim 1-8, the multi color temperature flexible LED lamp
Silk is connected by binding post with fixed component, is fixed on column, column links into an integrated entity with lampshade, power module and filament
It is placed in after electric interconnection in lamp holder, lamp holder is fastenedly connected with lampshade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056185.3U CN207112413U (en) | 2017-08-23 | 2017-08-23 | A kind of multi color temperature flexible LED lamp silk and light fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056185.3U CN207112413U (en) | 2017-08-23 | 2017-08-23 | A kind of multi color temperature flexible LED lamp silk and light fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207112413U true CN207112413U (en) | 2018-03-16 |
Family
ID=61570407
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721056185.3U Expired - Fee Related CN207112413U (en) | 2017-08-23 | 2017-08-23 | A kind of multi color temperature flexible LED lamp silk and light fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207112413U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388066A (en) * | 2017-08-23 | 2017-11-24 | 福建鸿博光电科技有限公司 | A kind of multi color temperature flexible LED lamp silk and light fixture |
| CN109163228A (en) * | 2018-09-04 | 2019-01-08 | 程立章 | A kind of LED illuminator |
| CN114008378A (en) * | 2019-06-24 | 2022-02-01 | 昕诺飞控股有限公司 | Color temperature controllable lighting device comprising different LED filaments |
| US11662065B1 (en) * | 2022-05-06 | 2023-05-30 | Hangzhou Hangke Optoelectronics Co., Ltd. | Manufacturing method of LED filament and manufacturing method of bulb |
-
2017
- 2017-08-23 CN CN201721056185.3U patent/CN207112413U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388066A (en) * | 2017-08-23 | 2017-11-24 | 福建鸿博光电科技有限公司 | A kind of multi color temperature flexible LED lamp silk and light fixture |
| CN109163228A (en) * | 2018-09-04 | 2019-01-08 | 程立章 | A kind of LED illuminator |
| CN114008378A (en) * | 2019-06-24 | 2022-02-01 | 昕诺飞控股有限公司 | Color temperature controllable lighting device comprising different LED filaments |
| US11662065B1 (en) * | 2022-05-06 | 2023-05-30 | Hangzhou Hangke Optoelectronics Co., Ltd. | Manufacturing method of LED filament and manufacturing method of bulb |
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Granted publication date: 20180316 |