CN203743877U - Spiral-shaped light-emitting diode lamp filament - Google Patents
Spiral-shaped light-emitting diode lamp filament Download PDFInfo
- Publication number
- CN203743877U CN203743877U CN201320869883.0U CN201320869883U CN203743877U CN 203743877 U CN203743877 U CN 203743877U CN 201320869883 U CN201320869883 U CN 201320869883U CN 203743877 U CN203743877 U CN 203743877U
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- China
- Prior art keywords
- emitting diode
- flexible pcb
- helical form
- light emitting
- described flexible
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- 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.)
- Expired - Fee Related
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- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a spiral-shaped light-emitting diode lamp filament which comprises a flexible printed circuit board. The surface of the flexible printed circuit board is provided with a conductive circuit, the flexible printed circuit board is curved to form a spiral shape in a surrounding mode, and the flexible printed circuit board is arranged on the surface of the conductive circuit and faces to the outer side. A plurality of light-emitting diode lamp beads are arranged on the conductive circuit of the flexible printed circuit board, the multiple light-emitting diode lamp beads are in electric connection with the conductive circuit, and the two ends of the printed circuit board are provided with a positive electrode pin and a negative electrode pin. By means of the spiral-shaped light-emitting diode lamp filament, the light-emitting diode lamp filament is combined with the flexible printed circuit board so that the light-emitting diode lamp filament can light at any angles, and light-emitting efficiency is improved. Meanwhile, the light-emitting diode lamp filament is in a spiral shape in the surrounding mode, and the cooling area of the flexible printed circuit board is sufficient.
Description
Technical field
The utility model relates to the technical field of a kind of Light-Emitting Diode (LED) illumination, relates in particular to a kind of spiral helicine Light-Emitting Diode filament.
Background technology
Light fixture is the daily necessities that Modern Family often can use; the filament of traditional lighting generally can be directly luminous by tungsten filament etc. wire form; but this class filament ubiquity life-span is short, power consumption headlight defect, and generally only can send sodium yellow, and colour rendering is poor.Along with scientific and technological development, LED lamp replaces traditional lighting gradually, existing fixture formed by light-emitting diodes has light-emitting diode die and is coated on the lens that Light-Emitting Diode chip shows, but existing LED lamp thermal diffusivity is not enough, and because the structural limitations of Light-Emitting Diode filament angle and the scope of illumination.
Utility model content
The purpose of this utility model is to provide a kind of spiral helicine Light-Emitting Diode filament, to solve existing LED lamp thermal diffusivity deficiency and lighting angle and the little problem of scope.
To achieve these goals, the technical scheme that the utility model is taked is:
Helical form light emitting diode filament, wherein, comprising: a flexible PCB, the surface of described flexible PCB has conducting channel, described flexible PCB circles formation helical form, and the surface that described flexible PCB is installed described conducting channel toward the outer side; Some LED lamp beads are installed in the conducting channel of described flexible PCB, and some described LED lamp pearls are electrically connected to described conducting channel; The two ends of described flexible PCB have positive and negative electrode pin.
Above-mentioned helical form light emitting diode filament, wherein, some described LED lamp pearl serial or parallel connections or connection in series-parallel are electrically connected to described conducting channel.
Above-mentioned helical form light emitting diode filament, wherein, some described LED lamp pearls are the surface at described flexible PCB along the length direction linear arrangement of described flexible PCB.
Above-mentioned helical form light emitting diode filament, wherein, some described LED lamp pearls and described flexible PCB weld by Reflow Soldering.
Above-mentioned helical form light emitting diode filament, wherein, the length of described flexible PCB is 100mm to 300mm.
Above-mentioned helical form light emitting diode filament, wherein, the width of described flexible PCB is 2mm to 5mm.
Above-mentioned helical form light emitting diode filament, wherein, the thickness of described flexible PCB is 0.1mm to 5mm.
Above-mentioned helical form light emitting diode filament, wherein, also comprises fixed support, and described flexible PCB is arranged in and on described fixed support, circles formation helical form.
The utility model is owing to having adopted above-mentioned technology, and the good effect that makes it compared with prior art to have is:
(1) light emitting diode filament is combined with flexible PCB, light emitting diode filament can be realized luminous at any angle, and improve light extraction efficiency.
(2) light emitting diode filament, around in the shape of a spiral, makes the area of dissipation of flexible PCB sufficient effectively.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of light emitting diode filament of the present utility model;
Fig. 2 is that light emitting diode filament crankshaft collar of the present utility model is around spiral schematic diagram.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as restriction of the present utility model.
Fig. 1 is the schematic diagram of light emitting diode filament of the present utility model, Fig. 2 be light emitting diode filament crankshaft collar of the present utility model around spiral schematic diagram, refer to shown in Fig. 1 and Fig. 2.Helical form light emitting diode filament of the present utility model, include a flexible PCB 3, flexible PCB 3 is an elongated list structure, on the surface of flexible PCB 3, there is conducting channel (not shown), flexible PCB 3 circles and forms a helical form, and the surface of flexible PCB 3 installation conducting channels toward the outer side.Some LED lamp beads 1 are installed in the conducting channel of flexible PCB 3, and some LED lamp pearls 1 are electrically connected to mutually with the conducting channel of flexible PCB 3.Meanwhile, at the two ends of flexible PCB 3, also there is positive and negative electrode pin 2, by positive and negative electrode pin 2, provide electric energy for flexible PCB 3.
The utility model also has following embodiment on the basis of the above:
In further embodiment of the present utility model, please continue referring to shown in Fig. 1 and Fig. 2.Some LED lamp pearls 1 are electrically connected to the conducting channel of flexible PCB 3 mutually with serial or parallel connection or series-parallel mode.Due to the conducting channel of flexible PCB 3 toward the outer side, make some LED lamp pearl 1 light-emitting areas after installing also toward the outer side, with this, realize the uniformly all-round light effect that goes out.
In further embodiment of the present utility model, described LED lamp pearl 1 is the surface at flexible PCB 3 along the linear arrangement of the length direction rule of flexible PCB 3.
In further embodiment of the present utility model, some LED lamp pearls 1 are welded to each other with the mode of flexible PCB 3 by Reflow Soldering.
In further embodiment of the present utility model, according to the quantity of LED lamp pearl 1 of using, the power of LED lamp pearl 1 is different, the length of flexible PCB 3 is between 100mm to 300mm, the width of flexible PCB 3 is between 2mm to 5mm, and the thickness of flexible PCB 3 is between 0.1mm to 5mm.
In further embodiment of the present utility model, helical form light emitting diode filament of the present utility model also includes fixed support (not shown), and flexible PCB 3 circles formation helical form by fixed support.
In sum, use the utility model helical form light emitting diode filament, light emitting diode filament is combined with flexible PCB, light emitting diode filament can be realized luminous at any angle, and improve light extraction efficiency.Meanwhile, light emitting diode filament, around in the shape of a spiral, makes the area of dissipation of flexible PCB sufficient effectively.
The foregoing is only the utility model preferred embodiment; not thereby limit embodiment of the present utility model and protection domain; to those skilled in the art; should recognize that being equal to that all utilization the utility model descriptions and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in protection domain of the present utility model.
Claims (8)
1. a helical form light emitting diode filament, is characterized in that, comprising:
One flexible PCB, the surface of described flexible PCB has conducting channel, and described flexible PCB circles formation helical form, and the surface that described flexible PCB is installed described conducting channel is toward the outer side;
Some LED lamp beads are installed in the conducting channel of described flexible PCB, and some described LED lamp pearls are electrically connected to described conducting channel;
The two ends of described flexible PCB have positive and negative electrode pin.
2. helical form light emitting diode filament according to claim 1, is characterized in that, some described LED lamp pearl serial or parallel connections or connection in series-parallel are electrically connected to described conducting channel.
3. helical form light emitting diode filament according to claim 1, is characterized in that, some described LED lamp pearls are the surface at described flexible PCB along the length direction linear arrangement of described flexible PCB.
4. helical form light emitting diode filament according to claim 1, is characterized in that, some described LED lamp pearls and described flexible PCB weld by Reflow Soldering.
5. helical form light emitting diode filament according to claim 1, is characterized in that, the length of described flexible PCB is 100mm to 300mm.
6. helical form light emitting diode filament according to claim 1, is characterized in that, the width of described flexible PCB is 2mm to 5mm.
7. helical form light emitting diode filament according to claim 1, is characterized in that, the thickness of described flexible PCB is 0.1mm to 5mm.
8. helical form light emitting diode filament according to claim 1, is characterized in that, also comprises fixed support, and described flexible PCB is arranged in and on described fixed support, circles formation helical form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869883.0U CN203743877U (en) | 2013-12-26 | 2013-12-26 | Spiral-shaped light-emitting diode lamp filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869883.0U CN203743877U (en) | 2013-12-26 | 2013-12-26 | Spiral-shaped light-emitting diode lamp filament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743877U true CN203743877U (en) | 2014-07-30 |
Family
ID=51343678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320869883.0U Expired - Fee Related CN203743877U (en) | 2013-12-26 | 2013-12-26 | Spiral-shaped light-emitting diode lamp filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743877U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015081804A1 (en) * | 2013-12-02 | 2015-06-11 | 张晓峰 | Spiral led filament and light bulb using spiral led filament |
| CN104747914A (en) * | 2013-12-26 | 2015-07-01 | 上海顿格电子贸易有限公司 | Spiral light-emitting diode filament |
| CN105805601A (en) * | 2014-12-30 | 2016-07-27 | 宁波海奈特照明科技有限公司 | Three-dimensional LED filament and 360-degree LED lamp |
| WO2018166278A1 (en) * | 2017-03-13 | 2018-09-20 | 正屋(厦门)电子有限公司 | Led bulb light with dual bulb housing |
| US10222010B2 (en) | 2015-08-20 | 2019-03-05 | Philips Lighting Holding B.V. | Board mounted LED array |
-
2013
- 2013-12-26 CN CN201320869883.0U patent/CN203743877U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015081804A1 (en) * | 2013-12-02 | 2015-06-11 | 张晓峰 | Spiral led filament and light bulb using spiral led filament |
| CN104747914A (en) * | 2013-12-26 | 2015-07-01 | 上海顿格电子贸易有限公司 | Spiral light-emitting diode filament |
| CN105805601A (en) * | 2014-12-30 | 2016-07-27 | 宁波海奈特照明科技有限公司 | Three-dimensional LED filament and 360-degree LED lamp |
| US10222010B2 (en) | 2015-08-20 | 2019-03-05 | Philips Lighting Holding B.V. | Board mounted LED array |
| WO2018166278A1 (en) * | 2017-03-13 | 2018-09-20 | 正屋(厦门)电子有限公司 | Led bulb light with dual bulb housing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20201226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |