CN103712105A - Full light distribution type LED bulb lamp with twisted-line-shaped lamp filaments distributed - Google Patents
Full light distribution type LED bulb lamp with twisted-line-shaped lamp filaments distributed Download PDFInfo
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- CN103712105A CN103712105A CN201310729746.1A CN201310729746A CN103712105A CN 103712105 A CN103712105 A CN 103712105A CN 201310729746 A CN201310729746 A CN 201310729746A CN 103712105 A CN103712105 A CN 103712105A
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- 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
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- 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
-
- 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
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
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- 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]
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- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A full light distribution type LED bulb lamp with twisted-line-shaped lamp filaments distributed is composed of a sealed light-emitting bulb shell, a sealing part which seals an opening in the bottom of the sealed light-emitting bulb shell, a light-emitting module and a lamp holder connected to the bottom of the sealing part. The light-emitting module is composed of a core column and k strip-shaped LED omni-directional lamp filaments, and the core column is vertically mounted on the upper portion of the sealing part. The strip-shaped LED omni-directional lamp filaments are arranged around the core column. The full light distribution type LED bulb lamp further comprises a first supporting frame placed above the core column and a second supporting frame placed below the core column. The connecting points of the strip-shaped LED omni-directional lamp filaments and the supporting frames are placed on a first projection circle and a second projection circle respectively, wherein the radius of the first projection circle and the radius of the second projection circle are the same, the projection of the circle center of the first projection circle coincides with the projection of the circle center of the second projection circle in the vertical direction, and the first projection circle and the second projection circle are placed above the core column and below the core column respectively. The lamp filament connecting points are evenly distributed on the respective projection circles at intervals. The included angles of two connecting points of each lamp filament and the connecting line of the projection circle centers of the respective projection circles are equal. The full light distribution type LED bulb lamp with the twisted-line-shaped lamp filaments distributed improves the brightness of the head portion of the lamp, and effectively compensates the brightness difference of the head portion of the lamp.
Description
Technical field
The invention belongs to lighting field, relate to a kind of LED light fixture, the full luminous intensity distribution type LED bulb lamp that particularly a kind of twisted string shape filament is arranged.
Background technology
Consideration based on energy-conserving and environment-protective, incandescent lamp is abandoned by people gradually.And the feature such as LED bulb has that the life-span is long, light efficiency is high, radiationless and shock resistance is progressively replacing incandescent lamp.
But, because LED light source self is luminous, there is directive property, even if the light sending is after the diffusion of diffusion shell, compared with conventional incandescent lamp source that can omnirange luminous intensity distribution, the luminous intensity distribution angle of existing LED candle lamp still seems very narrow, luminous intensity distribution angle is generally all below 120 °, and light can not reach the back of lamp, can form shadow.
At present, although there are some LED bulb lamps can accomplish that wide-angle light distributes, use the optical elements such as a large amount of reflectors, lens, installed larger diffusing globe cell-shell.But using this kind of mode one is that LED light efficiency is reduced, the 2nd, make LED bulb need to greatly reduce heat-dissipating space when maintaining alternative form, thereby while making LED work, temperature can be in any more, LED power cannot be done greatly.Meanwhile, existing large-angle LED bulb lamp all needs to use diffusion shell to carry out astigmatism, and illuminating effect and traditional incandescent lamp also have larger gap.
In recent years, the progress with semiconductor fabrication process that emerges in large numbers along with new material, there is the luminous LED filament of Liao Neng omnidirectional, can be luminous within the scope of 360 degree, but to bar shaped filament, luminous point concentrates on filament side, filament head illuminant a little less than, dead ahead at light fixture, often form the weak shadow of relative brightness, go out as shown in Figure 1 a kind of distribution curve flux of light fixture, the positive back that wherein orientation at zero luminance place is light fixture, and at back corresponding light fixture dead ahead, can find that brightness is significantly less than other regions.
Summary of the invention
Limited for overcoming existing LED lamp luminescence angle, there is the technological deficiency of head blackening, the invention discloses the full luminous intensity distribution type LED bulb lamp that a kind of twisted string shape filament is arranged.
The full luminous intensity distribution type LED bulb lamp that a kind of twisted string shape filament of the present invention is arranged, by the lamp holder bottom sealing, illuminating module and the connection sealing of sealed light emitting cell-shell, the luminous cell-shell bottom opening of close encapsulation, formed, described illuminating module is comprised of stem stem and k bar bar-shaped LED omnidirectional filament, and described stem stem is vertically arranged on sealing top; Described bar-shaped LED omnidirectional filament is arranged around stem stem, also comprise the first bracing frame and the second bracing frame that are positioned at stem stem above and below, bar-shaped LED omnidirectional filament lays respectively on the first projection circle and the second projection circle that Radius is identical, the center of circle overlaps, lays respectively at stem stem above and below in vertical direction projection with the tie point of bracing frame;
The filament tie point that definition is sequentially arranged on the first projection circle is in the direction of the clock respectively A1, A2 ... Ak, filament tie point on the second projection circle is respectively B1, B2 ... Bk, described each filament tie point A1, A2 ... Ak and B1, B2 ... Bk distributes uniformly at interval on the projection circle at place separately;
Definition vector X, described X is two tie points of same filament and the angle of place projection circle circle center line connecting separately, to each filament, described X equates; Described k is not less than 3 positive integer.
Concrete, described the first bracing frame is circular metal ring or radiation support or regular polygon framework, described the second bracing frame is circular metal ring or regular polygon framework.
Concrete, described the second bracing frame is radiation support, and described radiation support has a plurality of extended legs, and described radiation mid-stent has retainer ring, and described Fixing shrink ring is below stem stem.
Preferably, in described sealing, be provided with blast pipe, described sealed light emitting cell-shell inside is filled with heat radiation protection gas, and described heat radiation protection gas is hydrogen or inert gas or the two mixture.
Further, described heat radiation protection gas is hydrogen and helium mix gas, and hydrogen volume accounting is 5%.
Preferably, described bar-shaped LED omnidirectional's filament and stem stem axis angle are 30-50 degree.
Concrete, described k=8, X=45 degree.
Further, Ba Tiao bar-shaped LED omnidirectional filament is divided into the filament group of two groups of parallel connections, and each filament Zu Yousitiao bar-shaped LED omnidirectional filament series connection forms.
Preferably, also comprise the hollow sleeve being connected between sealing and lamp holder.
Concrete, also comprise that following technical characterictic one of at least: described cell-shell model be A type, G type, P type, Type B, C type, T-shaped in any one; Described lamp holder model be in E type, Type B, GU type, GX type, GZ type any one.
The full luminous intensity distribution type LED bulb lamp that adopts twisted string shape filament of the present invention to arrange, the Duo Gen omnidirectional filament that adopts twisted string shape to arrange, when guaranteeing light fixture surrounding luminosity stable homogeneous, improved the brightness of light fixture head, effective compensation the luminance difference of light fixture head, improved the homogenization degree of lamp luminescence brightness.
Accompanying drawing explanation
Fig. 1 is a kind of distribution curve flux of existing light fixture;
Fig. 2 is a kind of specific embodiment schematic diagram of the present invention;
Fig. 3 is the distribution curve flux of the specific embodiment shown in Fig. 2;
Fig. 4 is a kind of geometrical relationship schematic diagram of four filament arrangings;
Fig. 5 is a kind of geometrical relationship schematic diagram of eight filament arrangings;
Coordinate in Fig. 1 and Fig. 3 on circumference represents space angle, and the coordinate on circle diameter represents brightness, and unit is lumen;
In figure, Reference numeral name is called: the 1-sealed light emitting cell-shell 2-illuminating module 3-stem stem 4-power supply lead wire 5-lamp holder 6-driver 7-bar-shaped LED filament 8-of omnidirectional connects wire 9-metal contact 10-second bracing frame 11-sealing 12-heat radiation protection gas 13-blast pipe 14-first projection circle 15-the second projection circle.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The full luminous intensity distribution type LED bulb lamp that twisted string shape filament of the present invention is arranged, by the lamp holder bottom sealing 11, illuminating module 2 and the connection sealing of sealed light emitting cell-shell 1, the luminous cell-shell bottom opening of close encapsulation, formed, described illuminating module 2 is comprised of stem stem 3 and k bar bar-shaped LED omnidirectional filament 7, and described stem stem is vertically arranged on sealing top; Described bar-shaped LED omnidirectional filament is arranged around stem stem, also comprise the first bracing frame and the second bracing frame that are positioned at stem stem above and below, bar-shaped LED omnidirectional filament lays respectively on first projection circle the 14 and second projection circle 15 that Radius is identical, the center of circle overlaps, lays respectively at stem stem above and below in vertical direction projection with the tie point of bracing frame; The filament tie point that definition is sequentially arranged on the first projection circle 14 is in the direction of the clock respectively A1, A2 ... Ak, filament tie point on the second projection circle 15 is respectively B1, B2 ... Bk, described each filament tie point distributes uniformly at interval on the projection circle at place separately; Definition vector X, described X is two tie points of same filament and the angle of place projection circle circle center line connecting separately, to each filament, described X equates; Described k is not less than 3 positive integer.
For the connected mode of above-mentioned filament is better described, take Fig. 4 and Fig. 5 describes as example, Fig. 4 is for adopting a kind of embodiment of Si Tiao bar-shaped LED omnidirectional filament, Fig. 4 is geometrical connection relation figure, four filament tie points on the first projection circle 14 are respectively A1, A2, A3, A4, four filament tie points on the second projection circle 15 are respectively B1, B2, B3, B4, wherein A1, A2, A3, A4 are uniformly distributed on the first projection circle, B1, B2, B3, B4 are uniformly distributed on the second projection circle, and the circular arc between adjacent 2 is quadrant.The two ends end points of four LED filaments is respectively A1B2, A2B3, A3B4, A4B1, to filament A1B2, terminal A 1 and the first projection circle 14 center of circle AO lines are A1AO, terminal B 2 and the second projection circle 15 center of circle BO lines are B2BO, in the embodiment of Fig. 4, A1AO and B2BO angle X are 90 degree, the direction vector of X is for to rotate clockwise from A1AO, its excess-three root filament A2B3, A3B4, A4B1 and A1B2 are similar, vector X is filament tie point from the first projection circle, and around the center of circle, dextrorotation turn 90 degrees, thereby obtains the tie point on the second projection circle.
Fig. 5 is for adopting a kind of embodiment of Ba Tiao bar-shaped LED omnidirectional filament, eight filament tie points on the first projection circle 14 are respectively A1-A8, eight filament tie points on the second projection circle are respectively B1-B8, wherein A1-A8 is uniformly distributed on the first projection circle, B1-B8 is uniformly distributed on the second projection circle, circular arc between adjacent 2 is 1/8th circumference, the two ends end points of eight filaments is respectively A1B2, A2B3, A3B4, A4B5, A5B6, A6B7, A7B8, A8B1, to eight filaments in Fig. 5, vector X is filament tie point from the first projection circle 45 degree that turn clockwise around the center of circle, thereby obtain the tie point on the second projection circle.
Filament to given length, by regulating the first projection circle and the second projection radius of a circle, adjust the angle of filament and stem stem axis, adjust longitudinal projection's size of illuminating module, when the axis angle angle of filament and stem stem increases, can be in higher brightness and the illumination uniformity of the positive acquisition of light fixture, but angle increase is unfavorable for assembling, in practical application, the projecting section that the opening size of cell-shell has limited illuminating module amasss, in assembling process, need to be in advance by filament, stem stem is put into cell-shell inside after being assembled into complete illuminating module again, therefore the maximal projection area of illuminating module should be less than the opening part size of cell-shell.Simultaneously, purpose of design of the present invention is to obtain higher brightness in the geometric center of each filament, by the complementary angular illumination of each angle filament, reduce to greatest extent stem stem shade and central blackening, therefore the angle of inclination of filament should be considered under the prerequisite that can assemble smoothly, in the vertical direction obtains large as far as possible Luminance Distribution, and after considering, bar-shaped LED omnidirectional filament and stem stem axis angle are preferably set to 30-50 degree.
To the specific embodiment in Fig. 5, eight filaments and stem stem axis angle are 35 degree, adopt A60 type cell-shell, the distribution curve flux obtaining as shown in Figure 3, in Fig. 3, light fixture forward has obtained the brightness that brightness reaches 72 lumens, relatively Fig. 1, had significant raising, centered by stem stem, the filament of symmetric arrays has also guaranteed the high brightness of homogeneous in light fixture side direction simultaneously.
First holds round and is positioned at stem stem top, the first bracing frame can adopt circular metal ring or radiation support or other regular polygon frameworks to realize, as long as can make each filament tie point be positioned on same circle, the second bracing frame 10 is positioned at stem stem below, can be circular metal ring or regular polygon framework, can be also a kind of like this radiation support, and this radiation support has a plurality of extended legs, described radiation mid-stent has retainer ring, and described Fixing shrink ring is below stem stem 3.
Between the contact of the electrode of each filament and power supply lead wire 4, by connecting wire 8, connect, stem stem top can arrange metal contact 9, be connected and fixed by being connected wire with filament top, those skilled in the art are by known connecting line construction, for example utilize star or radiation line, can realize each filament and all between two power supply lead wire contacts, form current loop.The luminosity of LED is directly proportional to the size of current that flows through LED, for obtaining the luminosity of homogeneous, can adopt the mode of being connected in series, but the risk that series system causes is any one LED opens circuit that all LED are all not luminous, for four or four above bar-shaped LED omnidirectional filaments, can with connection in series-parallel mixed form, connect by connecting wire.For example, to four filaments, the connected mode more in parallel of can first connecting between two, two filaments that are connected on same branch road form symmetrical in spatial distribution, weaken two parallel branches and may electric current differences cause the visual effect of brightness disproportionation, to eight filaments, the filament group that can be divided into two groups of parallel connections, each filament Zu Yousitiao bar-shaped LED omnidirectional filament series connection forms.
For improving the heat dispersion of LED, can in sealed light emitting cell-shell, be filled with heat radiation protection gas, relative set blast pipe 13 in sealing, during installation, pack illuminating module and sealing integral body into sealed light emitting cell-shell, utilize blast pipe to be inwardly filled with heat radiation protection gas 12, inner air is extruded simultaneously, make cell-shell inside be full of the heat radiation protection gas of certain air pressure, heat radiation protection gas can be low viscosity, the inert gas of high thermal conductivity, because hydrogen has good thermal conductivity, therefore also can select hydrogen as heat-conducting gas, but because hydrogen belongs to explosion hazard gases, in production and use procedure, significantly improve safety cost, therefore can choice for use hydrogen and noble gas mixtures, the inert gas of preferably selecting is helium, helium gas molecules amount and hydrogen are the most approaching, during mixing, the two mass density is approximate, mix more even, can play best heat-conducting effect, experimental results show that, when the accounting of hydrogen is 5%, can obtain good cooling curve, continue to increase hydrogen accounting, radiating effect improves not obvious, but dangerous increasing, hydrogen, helium or other purity inert gas select common 99.999%.
The pressure drop of described heat radiation protection gas is general to be approached with atmospheric pressure, for preventing that infiltration of external air is oxidized, can be arranged on 1.1-1.5 MPa a little more than atmospheric atmospheric pressure value.Described sealed light emitting cell-shell model can for A type, G type, P type, Type B, C type, T-shaped in any one; Described lamp holder model be in E type, Type B, GU type, GX type, GZ type any one.
Previously described is each preferred embodiment of the present invention, preferred embodiment in each preferred embodiment is if not obviously contradictory or take a certain preferred embodiment as prerequisite, each preferred embodiment arbitrarily stack combinations is used, design parameter in described embodiment and embodiment is only the invention proof procedure for clear statement inventor, not in order to limit scope of patent protection of the present invention, scope of patent protection of the present invention is still as the criterion with its claims, the equivalent structure that every utilization description of the present invention and accompanying drawing content are done changes, in like manner all should be included in protection scope of the present invention.
Claims (10)
1. the full luminous intensity distribution type LED bulb lamp that twisted string shape filament is arranged, it is characterized in that, by the lamp holder bottom sealing (11), illuminating module (2) and the connection sealing of sealed light emitting cell-shell (1), the luminous cell-shell bottom opening of close encapsulation, formed, described illuminating module (2) is comprised of stem stem (3) and k bar bar-shaped LED omnidirectional's filament (7), and described stem stem is vertically arranged on sealing top; Described bar-shaped LED omnidirectional filament is arranged around stem stem, also comprise the first bracing frame and the second bracing frame that are positioned at stem stem above and below, bar-shaped LED omnidirectional filament lays respectively on the first projection circle (14) and the second projection circle (15) that Radius is identical, the center of circle overlaps, lays respectively at stem stem above and below in vertical direction projection with the tie point of bracing frame;
The filament tie point that definition is sequentially arranged on the first projection circle (14) is in the direction of the clock respectively A1, A2 ... Ak, filament tie point on the second projection circle (15) is respectively B1, B2 ... Bk, described each filament tie point A1, A2 ... Ak and B1, B2 ... Bk distributes uniformly at interval on the projection circle at place separately;
Definition vector X, described X is two tie points of same filament and the angle of place projection circle circle center line connecting separately, to each filament, described X equates;
Described k is not less than 3 positive integer.
2. the full luminous intensity distribution type LED bulb lamp that a kind of twisted string shape filament as claimed in claim 1 is arranged, it is characterized in that, described the first bracing frame is circular metal ring or radiation support or regular polygon framework, and described the second bracing frame is circular metal ring or regular polygon framework.
3. the full luminous intensity distribution type LED bulb lamp that a kind of twisted string shape filament as claimed in claim 1 is arranged, it is characterized in that, described the second bracing frame (10) is radiation support, described radiation support has a plurality of extended legs, described radiation mid-stent has retainer ring, and described Fixing shrink ring is in stem stem (3) below.
4. the full luminous intensity distribution type LED bulb lamp that a kind of twisted string shape filament as claimed in claim 1 is arranged; it is characterized in that; in described sealing, be provided with blast pipe (13); described sealed light emitting cell-shell inside is filled with heat radiation protection gas (12), and described heat radiation protection gas (12) is hydrogen or inert gas or the two mixture.
5. the full luminous intensity distribution type LED bulb lamp that a kind of twisted string shape filament as described in claim 4 is arranged, is characterized in that, described heat radiation protection gas is hydrogen and helium mix gas, and hydrogen volume accounting is 5%.
6. the full luminous intensity distribution type LED bulb lamp that a kind of twisted string shape filament as claimed in claim 1 is arranged, is characterized in that, described bar-shaped LED omnidirectional's filament and stem stem axis angle are 30-50 degree.
7. the full luminous intensity distribution type LED bulb lamp that a kind of twisted string shape filament as claimed in claim 1 is arranged, is characterized in that described k=8, X=45 degree.
8. the full luminous intensity distribution type LED bulb lamp that a kind of twisted string shape filament as claimed in claim 7 is arranged, is characterized in that, Ba Tiao bar-shaped LED omnidirectional filament is divided into the filament group of two groups of parallel connections, and each filament Zu Yousitiao bar-shaped LED omnidirectional filament series connection forms.
9. the full luminous intensity distribution type LED bulb lamp that a kind of twisted string shape filament as claimed in claim 1 is arranged, is characterized in that, also comprises the hollow sleeve being connected between sealing (11) and lamp holder (5).
10. the full luminous intensity distribution type LED bulb lamp that a kind of twisted string shape filament as claimed in claim 1 is arranged, is characterized in that, also comprises that following technical characterictic is one of at least:
Described cell-shell model be A type, G type, P type, Type B, C type, T-shaped in any one;
Described lamp holder model be in E type, Type B, GU type, GX type, GZ type any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729746.1A CN103712105A (en) | 2013-12-26 | 2013-12-26 | Full light distribution type LED bulb lamp with twisted-line-shaped lamp filaments distributed |
| PCT/CN2014/072981 WO2015096280A1 (en) | 2013-12-26 | 2014-03-06 | Full light distribution type led bulb lamp with twisted-line-shaped lamp filament configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729746.1A CN103712105A (en) | 2013-12-26 | 2013-12-26 | Full light distribution type LED bulb lamp with twisted-line-shaped lamp filaments distributed |
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| CN103712105A true CN103712105A (en) | 2014-04-09 |
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| CN201310729746.1A Pending CN103712105A (en) | 2013-12-26 | 2013-12-26 | Full light distribution type LED bulb lamp with twisted-line-shaped lamp filaments distributed |
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| CN (1) | CN103712105A (en) |
| WO (1) | WO2015096280A1 (en) |
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| WO2016049999A1 (en) * | 2014-09-29 | 2016-04-07 | 上海亮威照明电器有限公司 | Led lamp bulb |
| CN105927872A (en) * | 2016-04-29 | 2016-09-07 | 横店集团得邦照明股份有限公司 | LED omni-directional filament lamp and obtaining method thereof |
| WO2016169471A1 (en) * | 2015-04-21 | 2016-10-27 | 贵州光浦森光电有限公司 | Method for constructing led filament lamp and led filament lamp |
| CN106641781A (en) * | 2015-10-30 | 2017-05-10 | 通用电气公司 | Lamp design with LED stem structure |
| CN106764531A (en) * | 2017-01-26 | 2017-05-31 | 海宁市新宇光能科技有限公司 | A kind of low exhaust pipe pile head LED filament lamp |
| CN106907584A (en) * | 2017-03-29 | 2017-06-30 | 山东晶泰星光电科技有限公司 | A kind of illuminating module and LED with rectifier bridge stack |
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| CN106641781A (en) * | 2015-10-30 | 2017-05-10 | 通用电气公司 | Lamp design with LED stem structure |
| CN105927872A (en) * | 2016-04-29 | 2016-09-07 | 横店集团得邦照明股份有限公司 | LED omni-directional filament lamp and obtaining method thereof |
| WO2017185499A1 (en) * | 2016-04-29 | 2017-11-02 | 横店集团得邦照明股份有限公司 | Omnidirectional led filament lamp and implementation method therefor |
| CN106764531A (en) * | 2017-01-26 | 2017-05-31 | 海宁市新宇光能科技有限公司 | A kind of low exhaust pipe pile head LED filament lamp |
| CN106907584A (en) * | 2017-03-29 | 2017-06-30 | 山东晶泰星光电科技有限公司 | A kind of illuminating module and LED with rectifier bridge stack |
| CN107747690A (en) * | 2017-09-28 | 2018-03-02 | 漳州立达信光电子科技有限公司 | Filament lamp device and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015096280A1 (en) | 2015-07-02 |
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