CN104747914A - Spiral light-emitting diode filament - Google Patents
Spiral light-emitting diode filament Download PDFInfo
- Publication number
- CN104747914A CN104747914A CN201310733665.9A CN201310733665A CN104747914A CN 104747914 A CN104747914 A CN 104747914A CN 201310733665 A CN201310733665 A CN 201310733665A CN 104747914 A CN104747914 A CN 104747914A
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- China
- Prior art keywords
- emitting diode
- flexible pcb
- diode filament
- light emitting
- helical form
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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.)
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- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a spiral light-emitting diode filament. The spiral light-emitting diode filament comprises a flexible circuit board, wherein the surface of the flexible circuit board is provided with a conductive circuit, and the flexible circuit board carries out twisting and encircling to form a spiral shape; and the surface, provided with the conductive circuit, of the flexible circuit board faces the outer side. A plurality of light-emitting diode lamp beads are arranged on the conductive circuit of the flexible circuit board and are electrically connected with the conductive circuit; and positive and negative electrode pins are arranged at the two ends of the flexible circuit board. According to the invention, the light-emitting diode filament and the flexible circuit board are combined, so that the spiral light-emitting diode filament can give out light at any angle, and the luminous efficiency is improved. Meanwhile, the light-emitting diode filament carries out spiral encircling, and the radiating area of the flexible circuit board is made to be sufficient.
Description
Technical field
The present invention relates to the technical field that a kind of Light-Emitting Diode (LED) throws light on, particularly relate 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 by tungsten filament etc. can be directly luminous wire form; but this kind of filament ubiquity life-span is short, power consumption headlight defect, and generally only can send sodium yellow, and colour rendering is poor.Along with the development of science and technology, LED lamp replaces traditional lighting gradually, existing fixture formed by light-emitting diodes has light emitting diode chip and is coated on the lens that light emitting diode chip shows, but existing LED lamp thermal diffusivity is not enough, and because the structure of Light-Emitting Diode filament limits angle and the scope of illumination.
Summary of the invention
The object of the present invention is to provide a kind of spiral helicine Light-Emitting Diode filament, to solve the little problem of existing LED lamp thermal diffusivity deficiency and lighting angle and scope.
To achieve these goals, the technical scheme that the present invention takes 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 described flexible PCB installs the surface of described conducting channel toward the outer side; The conducting channel of described flexible PCB installs some LED lamp beads, and some described LED lamp pearls are electrically connected with 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 with described conducting channel.
Above-mentioned helical form light emitting diode filament, wherein, some described LED lamp pearls are linearly arranged in the surface of described flexible PCB along the length direction of described flexible PCB.
Above-mentioned helical form light emitting diode filament, wherein, some described LED lamp pearls are welded by Reflow Soldering with described flexible PCB.
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 on described fixed support and circles formation helical form.
The present invention is owing to have employed above-mentioned technology, and the good effect making 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 is around in the shape of a spiral, effectively makes the area of dissipation of flexible PCB sufficient.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of light emitting diode filament of the present invention;
Fig. 2 is that light emitting diode filament crankshaft collar of the present invention is around spiral schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
Fig. 1 is the schematic diagram of light emitting diode filament of the present invention, Fig. 2 be light emitting diode filament crankshaft collar of the present invention around spiral schematic diagram, refer to shown in Fig. 1 and Fig. 2.Helical form light emitting diode filament of the present invention, 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 formation one helical form, and flexible PCB 3 installs the surface of conducting channel toward the outer side.The conducting channel of flexible PCB 3 is provided with some LED lamp beads 1, and some LED lamp pearls 1 are electrically connected to each other 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 for flexible PCB 3 provides electric energy.
The present invention also has following embodiment on the basis of the above:
In further embodiment of the present invention, please continue see shown in Fig. 1 and Fig. 2.Some LED lamp pearls 1 are electrically connected to each other with the conducting channel of serial or parallel connection or series-parallel mode and flexible PCB 3.Due to flexible PCB 3 conducting channel toward the outer side, make install after some LED lamp pearl 1 light-emitting areas also toward the outer side, realize uniform all-round light-out effect with this.
In further embodiment of the present invention, described LED lamp pearl 1 is along the surface being linearly arranged in flexible PCB 3 of the length direction rule of flexible PCB 3.
In further embodiment of the present invention, some LED lamp pearls 1 are welded to each other by the mode of Reflow Soldering with flexible PCB 3.
In further embodiment of the present invention, according to the quantity of the LED lamp pearl 1 used, the power difference of LED lamp pearl 1, 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 invention, helical form light emitting diode filament of the present invention also includes fixed support (not shown), and flexible PCB 3 circles formation helical form by fixed support.
In sum, use helical form light emitting diode filament of the present invention, 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 preferred embodiment of the present invention; not thereby embodiments of the present invention and protection domain is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations description of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
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 described flexible PCB installs the surface of described conducting channel toward the outer side;
The conducting channel of described flexible PCB installs some LED lamp beads, and some described LED lamp pearls are electrically connected with 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, it is characterized in that, some described LED lamp pearl serial or parallel connections or connection in series-parallel are electrically connected with described conducting channel.
3. helical form light emitting diode filament according to claim 1, is characterized in that, some described LED lamp pearls are linearly arranged in the surface of described flexible PCB along the length direction of described flexible PCB.
4. helical form light emitting diode filament according to claim 1, it is characterized in that, some described LED lamp pearls are welded by Reflow Soldering with described flexible PCB.
5. helical form light emitting diode filament according to claim 1, it 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, it 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, it 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, it is characterized in that, also comprise fixed support, described flexible PCB is arranged on described fixed support and circles formation helical form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310733665.9A CN104747914A (en) | 2013-12-26 | 2013-12-26 | Spiral light-emitting diode filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310733665.9A CN104747914A (en) | 2013-12-26 | 2013-12-26 | Spiral light-emitting diode filament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104747914A true CN104747914A (en) | 2015-07-01 |
Family
ID=53588013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310733665.9A Pending CN104747914A (en) | 2013-12-26 | 2013-12-26 | Spiral light-emitting diode filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104747914A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657358A (en) * | 2019-10-09 | 2020-01-07 | 汕头市德杰电子有限公司 | Emergency lighting lamp and circuit thereof |
| CN113906253A (en) * | 2019-05-29 | 2022-01-07 | 昕诺飞控股有限公司 | Lighting device comprising a light-emitting filament |
| US11674644B2 (en) | 2019-05-02 | 2023-06-13 | Signify Holding B.V. | LED filament lamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532642A (en) * | 2008-03-13 | 2009-09-16 | 启萌科技有限公司 | Luminescence unit |
| CN101629710A (en) * | 2008-07-18 | 2010-01-20 | 富士迈半导体精密工业（上海）有限公司 | Illuminating device |
| CN202158515U (en) * | 2011-06-29 | 2012-03-07 | 优杰精密机械(苏州)有限公司 | LED (Light-Emitting Diode) lamp strip |
| CN102788283A (en) * | 2012-07-26 | 2012-11-21 | 中山市科顺分析测试技术有限公司 | Flexible LED SMD lamp belt |
| CN103174960A (en) * | 2011-12-22 | 2013-06-26 | 富准精密工业(深圳)有限公司 | High-effect light-emitting diode bulb |
| CN203743877U (en) * | 2013-12-26 | 2014-07-30 | 上海顿格电子贸易有限公司 | Spiral-shaped light-emitting diode lamp filament |
-
2013
- 2013-12-26 CN CN201310733665.9A patent/CN104747914A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532642A (en) * | 2008-03-13 | 2009-09-16 | 启萌科技有限公司 | Luminescence unit |
| CN101629710A (en) * | 2008-07-18 | 2010-01-20 | 富士迈半导体精密工业（上海）有限公司 | Illuminating device |
| CN202158515U (en) * | 2011-06-29 | 2012-03-07 | 优杰精密机械(苏州)有限公司 | LED (Light-Emitting Diode) lamp strip |
| CN103174960A (en) * | 2011-12-22 | 2013-06-26 | 富准精密工业(深圳)有限公司 | High-effect light-emitting diode bulb |
| CN102788283A (en) * | 2012-07-26 | 2012-11-21 | 中山市科顺分析测试技术有限公司 | Flexible LED SMD lamp belt |
| CN203743877U (en) * | 2013-12-26 | 2014-07-30 | 上海顿格电子贸易有限公司 | Spiral-shaped light-emitting diode lamp filament |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11674644B2 (en) | 2019-05-02 | 2023-06-13 | Signify Holding B.V. | LED filament lamp |
| CN113906253A (en) * | 2019-05-29 | 2022-01-07 | 昕诺飞控股有限公司 | Lighting device comprising a light-emitting filament |
| CN110657358A (en) * | 2019-10-09 | 2020-01-07 | 汕头市德杰电子有限公司 | Emergency lighting lamp and circuit thereof |
| CN110657358B (en) * | 2019-10-09 | 2021-08-24 | 汕头市德杰电子有限公司 | Emergency lighting lamp |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150701 |