CN203744086U - Bulb with light emitting diode flexible lamp filament - Google Patents
Bulb with light emitting diode flexible lamp filament Download PDFInfo
- Publication number
- CN203744086U CN203744086U CN201320870689.4U CN201320870689U CN203744086U CN 203744086 U CN203744086 U CN 203744086U CN 201320870689 U CN201320870689 U CN 201320870689U CN 203744086 U CN203744086 U CN 203744086U
- Authority
- CN
- China
- Prior art keywords
- bulb
- emitting diode
- shell
- light emitting
- power supply
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a bulb with a light emitting diode flexible lamp filament. The bulb comprises a power supply shell, a bulb shell, a fixed support and a flexible printed circuit board. A power supply is installed inside the power supply shell. The tail of the bulb shell is connected with the power supply shell and the power supply in a welded mode. A bulb holder is installed at the tail of the bulb shell. The fixed support is installed inside the bulb shell. The bulb shell is filled with heat conduction gas. The flexible printed circuit board is arranged on the fixed support and surrounds the fixed support in a zigzag mode to be of a spiral shape. A plurality of light-emitting diode lamp beads are installed on a conductive circuit of the flexible printed circuit board. The two ends of the flexible printed circuit board are provided with a positive electrode pin and a negative electrode pin respectively, and the positive electrode pin and the negative electrode pin are electrically connected with the power supply. According to the bulb with the light emitting diode flexible lamp filament, by the adoption of the spiral flexible printed circuit board, the heat dissipation area of the light-emitting diode bulb is enlarged, and the heat dissipation performance of the light-emitting diode bulb is enhanced, the cost is further reduced, the weight is lightened, and the service life of the light-emitting diode bulb is prolonged.
Description
Technical field
The utility model relates to the technical field of a kind of light emitting diode (LED) illumination, relates in particular to the bulb of the flexible filament of a kind of light emitting diode.
Background technology
The assembling of tradition light emitting diode is that light-emitting diode is fitted on circuit board, then connect constant-current supply, in order to guarantee security and aesthetic property, power supply need to be arranged in power pack conventionally, but traditional LED lamp body is long-pending greatly, efficiency is low, and cost is high.
The heat radiation of tradition LED light lamp is by light-emitting diode being attached to the surface of metal heat sink, during light emitting diode work, space-charge region (PN) knot can produce heat, by metal heat sink, the heat of generation is fallen apart, the space-charge region junction temperature of light emitting diode is controlled under rational level, but there is such problem in this mode: because metal heat sink is heavy, not only affect the outward appearance of LED light lamp, and increase weight and the cost of lamp.
Existing method is filled with in Lamp bulb case and is dispelled the heat by blanketing gas filler (be generally helium, or hydrogen helium mix gas).Generally speaking, the path of LED heat radiating is that ground floor heat dissipation interface is the heat dissipation interface of light-emitting diode chip for backlight unit and substrate, and second layer heat dissipation interface is that the radiating surface of substrate is to heat eliminating medium, as metal, air or helium etc.But the second layer heat dissipation interface of existing light emitting diode filament is too little, can not be effectively and the medium of periphery carry out heat transmission, cannot conduct the heat of light emitting diode.Blanketing gas air pressure in glass cell-shell can not be excessive simultaneously, otherwise can cause glass breaking, causes safety problem.
Utility model content
The purpose of this utility model is to provide the bulb of the flexible filament of a kind of light emitting diode, to solve the problem of existing LED light lamp poor heat radiation etc.
To achieve these goals, the technical scheme that the utility model is taked is:
A bulb for the flexible filament of light emitting diode, wherein, comprising: a power shell, and described power shell is provided with power supply; One cell-shell, the afterbody of described cell-shell and described power shell and described power supply are welded to connect; And the afterbody of described cell-shell is installed a lamp holder, described lamp holder is electrically connected to described power supply; One fixed support, described fixed support is arranged on the inside of described cell-shell; And heat-conducting gas is filled in the inside of described cell-shell; One flexible PCB, the surface of described flexible PCB has conducting channel, and described flexible PCB is arranged in and on described fixed support, 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 beads are electrically connected to described conducting channel; The two ends of described flexible PCB have positive and negative electrode pin, and described positive and negative electrode pin is electrically connected to described power supply.
The bulb of the above-mentioned flexible filament of a kind of light emitting diode, wherein, some described LED lamp bead serial or parallel connections or connection in series-parallel are electrically connected to described conducting channel.
The bulb of the flexible filament of above-mentioned a kind of light emitting diode, wherein, some described LED lamp beads are the surface at described flexible PCB along the length direction linear arrangement of described flexible PCB.
The bulb of the above-mentioned flexible filament of a kind of light emitting diode, wherein, some described LED lamp beads and described flexible PCB weld by Reflow Soldering.
The bulb of the above-mentioned flexible filament of a kind of light emitting diode, wherein, described heat-conducting gas is hydrogen or helium or hydrogen helium mix gas.
The bulb of the above-mentioned flexible filament of a kind of light emitting diode, wherein, the power of some described LED lamp beads is 0.06W to 0.1W.
The bulb of the above-mentioned flexible filament of a kind of light emitting diode, wherein, described power supply is constant-current driving power supply.
The bulb of the above-mentioned flexible filament of a kind of light emitting diode, wherein, described cell-shell has closing-in structure.
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:
By adopting spiral helicine flexible PCB to increase area of dissipation and the heat dispersion of LED light lamp, and further reduce costs, weight reduction, meanwhile, extends the service life of LED light lamp.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the bulb of the flexible filament of a kind of light emitting diode of the present utility model;
Fig. 2 is the schematic diagram of the flexible PCB of diode installed lamp pearl in Fig. 1.
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 the bulb of the flexible filament of a kind of light emitting diode of the present utility model, and Fig. 2 is the schematic diagram of the flexible PCB of diode installed lamp pearl in Fig. 1, refers to shown in Fig. 1 and Fig. 2.The bulb of the flexible filament of a kind of light emitting diode of the present utility model, includes a power shell 6, and power supply 5 is installed in power shell 6.One cell-shell 4, the afterbody of cell-shell 4 is welded to connect with power shell 6 and power supply 5 respectively, and at the afterbody of cell-shell 4, a lamp holder 7 is also installed, and lamp holder 7 is electrically connected to mutually with power supply 5.One fixed support 3, fixed support 3 is arranged on the inside of cell-shell 4, and is filled with heat-conducting gas in the inside of cell-shell 4.One flexible PCB 2, flexible PCB 2 is an elongated list structure, on the surface of flexible PCB 2, have conducting channel (not shown), flexible PCB 2 is arranged in and on fixed support 3, circles formation helical form, and the surface that flexible PCB 2 is installed conducting channels toward the outer side.Some LED lamp beads 1 are installed in the conducting channel of flexible PCB 2, and some LED lamp beads 1 are electrically connected to mutually with the conducting channel of flexible PCB 2.Meanwhile, at the two ends of flexible PCB 2, also have positive and negative electrode pin 8, positive and negative electrode pin 8 is electrically connected to mutually with power supply 5, as flexible PCB 2, provides electric energy.
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 beads 1 are electrically connected to the conducting channel of flexible PCB 2 mutually with serial or parallel connection or series-parallel mode.Due to the conducting channel of flexible PCB 2 toward the outer side, make some LED lamp beads 1 light-emitting area 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, LED lamp bead 1 is the surface at flexible PCB 2 along the linear arrangement of the length direction rule of flexible PCB 2.
In further embodiment of the present utility model, some LED lamp beads 1 are welded to each other with the mode of flexible PCB 2 by Reflow Soldering.
In further embodiment of the present utility model, the heat-conducting gas that is filled in cell-shell 4 inside is hydrogen or helium or hydrogen helium mix gas.
In further embodiment of the present utility model, the power of above-mentioned LED lamp bead 1 is 0.06W to 0.1W.
In further embodiment of the present utility model, power supply 5 is constant-current driving power supply.
The utility model also has following mounting means on the basis of the above:
Please continue referring to shown in Fig. 1 and Fig. 2.Step 1: the some LED lamp beads 1 that are 0.06W to 0.1W by power are welded on flexible PCB 2 by the mode of Reflow Soldering, flexible PCB 2 is arranged around forming helical form by fixed support 3, and fixed support 3 is mounted in cell-shell 4.Step 2: adopt the atmospheric pressure of 1atm to 10atm to be filled with to cell-shell 4 with the airing form of bleeding heat-conducting gas.Step 3: the positive and negative electrode pin 8 of flexible PCB 2 is electrically connected to power supply 5, meanwhile, by cell-shell 4 and power supply 5 and power shell 6 welding assemblies.Step 4: lamp holder 7 is installed, is completed the assembling of whole lamp product.
The utility model adopts spiral helicine flexible PCB 2, make the ground floor heat dissipation interface of bulb enough large, can fully contact with the gas in bulb, after the heat that LED lamp bead 1 produces is derived on flexible PCB 2, a part exhales with ultrared form, another part imports rapidly gas in bulb, then is exported on cell-shell 4 by gas, is finally dispersed into outside lamp.The structure of cell-shell 4 is that blow molding process is made, and has the structure of closing in, so that after charging gas, and cell-shell 4 sealing of can closing up.Air pressure is larger, and gas exchanged heat speed is larger, and thermal conductivity factor increases, atmospheric heat radiation gas of every increase, and heat-transfer rate increases by 2 to 3 times.
In sum, use the bulb of the flexible filament of a kind of light emitting diode of the utility model, owing to adopting spiral helicine flexible PCB, area of dissipation is enough contacted with heat radiation gas, and along with the pressure of heat radiation gas increases, can effectively reduce LED lamp bead junction temperature.Do not using heat radiator dedicated in the situation that, can make LED lamp bead use increased power, junction temperature is being reduced, obtaining higher brightness, reaching better cost performance.Due to the lighting angle of its all-round light, can make this light emitting diode bulb attractive in appearance and practical simultaneously.
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 bulb for the flexible filament of light emitting diode, is characterized in that, comprising:
One power shell, described power shell is provided with power supply;
One cell-shell, the afterbody of described cell-shell and described power shell and described power supply are welded to connect; And the afterbody of described cell-shell is installed a lamp holder, described lamp holder is electrically connected to described power supply;
One fixed support, described fixed support is arranged on the inside of described cell-shell; And heat-conducting gas is filled in the inside of described cell-shell;
One flexible PCB, the surface of described flexible PCB has conducting channel, and described flexible PCB is arranged in and on described fixed support, 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 beads are electrically connected to described conducting channel;
The two ends of described flexible PCB have positive and negative electrode pin, and described positive and negative electrode pin is electrically connected to described power supply.
2. the bulb of the flexible filament of light emitting diode according to claim 1, is characterized in that, some described LED lamp bead serial or parallel connections or connection in series-parallel are electrically connected to described conducting channel.
3. the bulb of the flexible filament of light emitting diode according to claim 1, is characterized in that, some described LED lamp beads are the surface at described flexible PCB along the length direction linear arrangement of described flexible PCB.
4. the bulb of the flexible filament of light emitting diode according to claim 1, is characterized in that, some described LED lamp beads and described flexible PCB weld by Reflow Soldering.
5. the bulb of the flexible filament of light emitting diode according to claim 1, is characterized in that, described heat-conducting gas is hydrogen or helium or hydrogen helium mix gas.
6. the bulb of the flexible filament of light emitting diode according to claim 1, is characterized in that, the power of some described LED lamp beads is 0.06W to 0.1W.
7. the bulb of the flexible filament of light emitting diode according to claim 1, is characterized in that, described power supply is constant-current driving power supply.
8. the bulb of the flexible filament of light emitting diode according to claim 1, is characterized in that, described cell-shell has closing-in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870689.4U CN203744086U (en) | 2013-12-26 | 2013-12-26 | Bulb with light emitting diode flexible lamp filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870689.4U CN203744086U (en) | 2013-12-26 | 2013-12-26 | Bulb with light emitting diode flexible lamp filament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744086U true CN203744086U (en) | 2014-07-30 |
Family
ID=51343883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320870689.4U Expired - Fee Related CN203744086U (en) | 2013-12-26 | 2013-12-26 | Bulb with light emitting diode flexible lamp filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744086U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300070A (en) * | 2014-09-30 | 2015-01-21 | 杭州电子科技大学 | Bendable LED lamp filament and bulb structure thereof |
| CN104565929A (en) * | 2014-12-31 | 2015-04-29 | 浙江青蓝照明科技有限公司 | LED (Light Emitting Diode) filament lamp |
| CN104613426A (en) * | 2014-12-31 | 2015-05-13 | 浙江青蓝照明科技有限公司 | LED filament lamp support structure and LED filament lamp |
| WO2015081804A1 (en) * | 2013-12-02 | 2015-06-11 | 张晓峰 | Spiral led filament and light bulb using spiral led filament |
| CN105179983A (en) * | 2015-10-26 | 2015-12-23 | 苏州汉克山姆照明科技有限公司 | Bulb with showing function |
| CN105240703A (en) * | 2015-10-28 | 2016-01-13 | 汤雄 | Manufacturing technology for bent LED filament and bulb with bent LED filament |
| CN108603637A (en) * | 2016-02-04 | 2018-09-28 | 奥斯兰姆奥普托半导体有限责任公司 | Light emitting diode filament and illuminator with light emitting diode filament |
| US20190032861A1 (en) * | 2017-07-31 | 2019-01-31 | Zhejiang Emitting Optoelectronic Technology Co., Ltd. | LED Bulb Having Self-Support Flexible LED Light Source |
| EP3890455A1 (en) * | 2017-11-10 | 2021-10-06 | Seoul Semiconductor Co., Ltd. | Light emitting diode filament |
-
2013
- 2013-12-26 CN CN201320870689.4U patent/CN203744086U/en not_active Expired - Fee Related
Cited By (12)
| 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 |
| CN104300070A (en) * | 2014-09-30 | 2015-01-21 | 杭州电子科技大学 | Bendable LED lamp filament and bulb structure thereof |
| CN104565929A (en) * | 2014-12-31 | 2015-04-29 | 浙江青蓝照明科技有限公司 | LED (Light Emitting Diode) filament lamp |
| CN104613426A (en) * | 2014-12-31 | 2015-05-13 | 浙江青蓝照明科技有限公司 | LED filament lamp support structure and LED filament lamp |
| CN105179983A (en) * | 2015-10-26 | 2015-12-23 | 苏州汉克山姆照明科技有限公司 | Bulb with showing function |
| CN105240703A (en) * | 2015-10-28 | 2016-01-13 | 汤雄 | Manufacturing technology for bent LED filament and bulb with bent LED filament |
| CN108603637A (en) * | 2016-02-04 | 2018-09-28 | 奥斯兰姆奥普托半导体有限责任公司 | Light emitting diode filament and illuminator with light emitting diode filament |
| US20190032861A1 (en) * | 2017-07-31 | 2019-01-31 | Zhejiang Emitting Optoelectronic Technology Co., Ltd. | LED Bulb Having Self-Support Flexible LED Light Source |
| EP3890455A1 (en) * | 2017-11-10 | 2021-10-06 | Seoul Semiconductor Co., Ltd. | Light emitting diode filament |
| US11348907B2 (en) | 2017-11-10 | 2022-05-31 | Seoul Semiconductor Co., Ltd. | Lighting-emitting device filament |
| EP4106502A3 (en) * | 2017-11-10 | 2023-02-08 | Seoul Semiconductor Co., Ltd. | Light-emitting device filament |
| US12237313B2 (en) | 2017-11-10 | 2025-02-25 | Seoul Semiconductor Co., Ltd. | Lighting-emitting device filament including electrode pads |
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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 |