CN109386750A - A kind of light bulb and its manufacturing method - Google Patents
A kind of light bulb and its manufacturing method Download PDFInfo
- Publication number
- CN109386750A CN109386750A CN201811130364.6A CN201811130364A CN109386750A CN 109386750 A CN109386750 A CN 109386750A CN 201811130364 A CN201811130364 A CN 201811130364A CN 109386750 A CN109386750 A CN 109386750A
- Authority
- CN
- China
- Prior art keywords
- lamp cap
- light source
- glass
- bulb
- led light
- 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.)
- Pending
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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
- 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
- F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
-
- 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
- F21K9/90—Methods of manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
A kind of light bulb and its manufacturing method, the invention discloses a kind of light bulbs, including lamp cap, glass bulb and driving power, glass bulb is arranged on lamp cap, driving power is arranged in lamp cap, feature is that glass stem is arranged in lamp cap, the lower part of glass stem and the lower seal connection of glass bulb make to form a closed cavity between glass stem and glass bulb, LED light source is provided in cavity, LED light source is arranged on glass stem, it is electrically connected between LED light source and driving power by seal wire, the lower end of seal wire extends downwardly glass stem and is electrically connected with driving power, the upper end of seal wire is stretched out glass stem upwards and is electrically connected with LED light source.Advantage is to substantially increase the light efficiency of light bulb using the tungsten wire in LED light source substitution traditional structure in the light bulb, reduce the energy consumption of light bulb, energy conservation and environmental protection and safety, while extending the service life of light bulb.
Description
Technical field
The present invention relates to a kind of light bulbs, more particularly, to a kind of for substituting the light bulb and manufacturing method of C35 tengsten lamp.
Background technique
C35 light bulb is a kind of small-sized light bulb, and this light bulb is commonly used on modern European crystal pendant lamp, a crystal pendant lamp
A large amount of C35 light bulb is used, and traditional C35 light bulb is usually tengsten lamp, the light efficiency of tengsten lamp is low, energy consumption is high and the service life
It is short, therefore in order to ensure stablizing for pendent lamp uses, the C35 light bulb in crystal pendant lamp needs continually to be replaced, and not only expends
A large amount of manpower and material resources, economic benefit is low, and replaced light bulb of scrapping also can cause environmental pollution.
Summary of the invention
A kind of technical problem to be solved by the invention is to provide light efficiencies good, energy saving, at low cost, safety and environmental protection and use the longevity
Long light bulb is ordered, for substituting traditional C35 tengsten lamp.
The technical scheme of the invention to solve the technical problem is:
A kind of light bulb, including lamp cap, glass bulb and driving power, the glass bulb are arranged on the lamp cap, institute
The driving power stated is arranged in the lamp cap, and glass stem, the lower part of the glass stem are arranged in the lamp cap
Connecting with the lower seal of the glass bulb keeps formation one between the glass stem and the glass bulb close
The cavity closed is provided with LED light source in the cavity, and the LED light source is arranged on the glass stem, described
It is electrically connected between LED light source and the driving power by seal wire, the lower end of the seal wire extends downwardly the glass
Stem is electrically connected with the driving power, and the glass stem and the LED are stretched out in the upper end of the seal wire upwards
Light source electrical connection.
The LED light source includes light source board, and multiple LED light bars are provided on the light source board.Above-mentioned LED light source knot
Structure is simple, and manufacturing cost is low.
Multiple LED light bars are vertically disposed in parallel on the light source board.The mounting means of above-mentioned LED light bar,
So that the light efficiency of whole lamp is more preferable.
Filled with the gas for heat dissipation in the cavity.Gas of the filling for heat dissipation in the cavities, can effectively drive
The heat that scattered LED light source generates during the work time, to extend the service life of LED light source, so that the service life of whole lamp
More preferably.
A kind of manufacturing method of light bulb, comprising the following steps:
(1) spot welding: in the upper end of glass stem mash welder or electric welding machine by the seal wire installed in LED light source and glass stem
Upper end links together, and realizes seal wire with LED light source and is electrically connected；
(2) using envelope bubble machine, the lower part of glass bulb and the lower edge sealing of glass stem envelope bubble: are made by high temperature sintering
It combines together, forms a closed cavity, LED light source is located in the cavity；
(3) line: the lower end of seal wire is connected with driving power by wrapping wire or electric welding, realizes seal wire and driving power
Electrical connection, and then realize being electrically connected for driving power and LED light source；
(4) it beats lamp cap mud: glass bulb is installed on lamp cap, and stamp lamp cap mud lamp cap mud between lamp cap and glass bulb
Solidify by high-temperature baking, realizes that glass bulb is securedly mounted on lamp cap；
(5) it welds side line: after lamp cap solidification, an input line in the driving power outside lamp cap will be left in by electric welding or spot welding
Weld together with lamp cap extension；
(6) pressure rivet: using automatic press-riveting nailing machine device, is pressed into rivet in the bottom of lamp cap, makes the driving of rivet Yu lamp cap bottom
Another input line electrical connection on power supply, so far, whole lamp assembly are completed；
(7) it lights test: the whole lamp assembled being passed through nominal alternating current, carries out lighting test；
(8) aging is packed: carrying out burn-in test for aging assembly line is put by the qualified whole lamp for lighting test, test is completed
Afterwards, it is packed.
Following steps are sequentially added between step (2) and step (3):
(2-1) exhaust: the air exhaust rod being connected with cavity is had on glass stem, air exhauster is connected in air exhaust rod, passes through exhaust
Machine carries out vacuumize process for several times to cavity, excludes the air in cavity；
(2-2) inflation: after the evacuated processing of cavity, it is used for the gas of heat dissipation by air exhaust rod injection, then leads to air exhaust rod
Oversintering burn-up, the air seal in cavity is lived.
Compared with the prior art, the advantages of the present invention are as follows: the tungsten in LED light source substitution traditional structure is utilized in the light bulb
Silk, substantially increases the light efficiency of light bulb, reduces the energy consumption of light bulb, energy conservation and environmental protection and safety, while extending the use of light bulb
Service life；The manufacturing method of above-mentioned light bulb is more stable compared with traditional handicraft simultaneously, and the service life of the light bulb manufactured is more
It is long.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is schematic cross-sectional view of the invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment one: as shown in Figure 1 and Figure 2, a kind of light bulb, including lamp cap 1, glass bulb 2 and driving power 3, glass envelope
Shell 2 is arranged on lamp cap 1, and driving power 3 is arranged in lamp cap 1, and glass stem 4, the lower part of glass stem 4 are arranged in lamp cap 1
Connecting with the lower seal of glass bulb 2 makes to form a closed cavity 24, cavity between glass stem 4 and glass bulb 2
LED light source 5 is provided in 24, LED light source 5 is arranged on glass stem 4, passes through seal wire 6 between LED light source 5 and driving power 3
Electrical connection, the lower end of seal wire 6 extend downwardly glass stem 4 and are electrically connected with driving power 3, and glass is stretched out in the upper end of seal wire 6 upwards
Stem 4 is electrically connected with LED light source 5.
In this particular embodiment, LED light source 5 includes light source board 51, is provided with multiple LED light bars 52 on light source board 51.
Above-mentioned 5 structure of LED light source is simple, and manufacturing cost is low.
In this particular embodiment, multiple LED light bars 52 are vertically disposed in parallel on light source board 51.Above-mentioned LED light bar 52
Mounting means so that the light efficiency of whole lamp is more preferable.
In this particular embodiment, filled with the gas for heat dissipation in cavity 24.Filling is for radiating in cavity 24
Gas, can effectively disperse the heat that LED light source 5 generates during the work time makes to extend the service life of LED light source 5
The service life for obtaining whole lamp is more preferable.
It in this particular embodiment, is helium, hydrogen, nitrogen or 2 kinds or 3 kinds therein for the gas of heat dissipation
Mixed gas.
A kind of manufacturing method of light bulb, comprising the following steps:
(1) it spot welding: is led in the upper end of glass stem 4 mash welder or electric welding machine by what is installed in LED light source 5 and glass stem 4
The upper end of silk 6 links together, and realizes seal wire 6 with LED light source 5 and is electrically connected；
(2) envelope bubble: using envelope bubble machine, make the lower part of glass bulb 2 and the lower edge of glass stem 4 close by high temperature sintering
Envelope combines together, forms a closed cavity 24, and LED light source 5 is located in the cavity 24；
(3) line: the lower end of seal wire 6 and driving power 3 are connected by wrapping wire or electric welding, realize seal wire 6 and driving
The electrical connection of power supply 3, and then realize being electrically connected for driving power 3 and LED light source 5；
(4) it beats 1 mud of lamp cap: glass bulb 2 is installed on lamp cap 1, and stamp 1 mud of lamp cap between lamp cap 1 and glass bulb 2
Lamp cap mud solidifies by high-temperature baking, realizes that glass bulb 2 is securedly mounted on lamp cap 1；
(5) side line is welded: defeated by electric welding or will be left in the driving power 3 outside lamp cap 1 one of spot welding after lamp cap 1 solidifies
Enter line to weld together with lamp cap extension
(6) pressure rivet: using automatic press-riveting nailing machine device, is pressed into rivet in the bottom of lamp cap 1, makes the drive of rivet Yu 1 bottom of lamp cap
Another input line electrical connection on dynamic power supply 3, so far, whole lamp assembly are completed；
(7) it lights test: the whole lamp assembled being passed through nominal alternating current, carries out lighting test；
(8) aging is packed: carrying out burn-in test for aging assembly line is put by the qualified whole lamp for lighting test, test is completed
Afterwards, it is packed.
Embodiment two: as shown in Figure 1 and Figure 2, a kind of light bulb, including lamp cap 1, glass bulb 2 and driving power 3, glass
Blister 2 is arranged on lamp cap 1, and driving power 3 is arranged in lamp cap 1, setting glass stem 4 in lamp cap 1, under glass stem 4
The connection of the lower seal of portion and glass bulb 2 makes to form a closed cavity 24 between glass stem 4 and glass bulb 2, empty
LED light source 5 is provided in chamber 24, LED light source 5 is arranged on glass stem 4, by leading between LED light source 5 and driving power 3
Silk 6 is electrically connected, and the lower end of seal wire 6 extends downwardly glass stem 4 and is electrically connected with driving power 3, and the upper end of seal wire 6 is stretched out upwards
Glass stem 4 is electrically connected with LED light source 5.
In this particular embodiment, LED light source 5 includes light source board 51, is provided with multiple LED light bars 52 on light source board 51.
Above-mentioned 5 structure of LED light source is simple, and manufacturing cost is low.
In this particular embodiment, multiple LED light bars 52 are vertically disposed in parallel on light source board 51.Above-mentioned LED light bar 52
Mounting means so that the light efficiency of whole lamp is more preferable.
In this particular embodiment, filled with the gas for heat dissipation in cavity 24.Filling is for radiating in cavity 24
Gas, can effectively disperse the heat that LED light source 5 generates during the work time makes to extend the service life of LED light source 5
The service life for obtaining whole lamp is more preferable.
It in this particular embodiment, is helium, hydrogen, nitrogen or 2 kinds or 3 kinds therein for the gas of heat dissipation
Mixed gas.
A kind of manufacturing method of light bulb, comprising the following steps:
(1) it spot welding: is led in the upper end of glass stem 4 mash welder or electric welding machine by what is installed in LED light source 5 and glass stem 4
The upper end of silk 6 links together, and realizes seal wire 6 with LED light source 5 and is electrically connected；
(2) envelope bubble: using envelope bubble machine, make the lower part of glass bulb 2 and the lower edge of glass stem 4 close by high temperature sintering
Envelope combines together, forms a closed cavity 24, and LED light source 5 is located in the cavity 24；
(2-1) exhaust: the air exhaust rod being connected with cavity 24 is had on glass stem 4, air exhauster is connected in air exhaust rod, passes through row
Mechanism of qi carries out vacuumize process for several times to cavity 24, excludes the air in cavity 24；
(2-2) inflation: after the evacuated processing of cavity 24, the gas of heat dissipation is used for by air exhaust rod injection, then by air exhaust rod
It is burnt up by sintering, the air seal in cavity 24 is lived；
(3) line: the lower end of seal wire 6 and driving power 3 are connected by wrapping wire or electric welding, realize seal wire 6 and driving
The electrical connection of power supply 3, and then realize being electrically connected for driving power 3 and LED light source 5；
(4) it beats 1 mud of lamp cap: glass bulb 2 is installed on lamp cap 1, and stamp 1 mud of lamp cap between lamp cap 1 and glass bulb 2
1 mud of lamp cap solidifies by high-temperature baking, realizes that glass bulb 2 is securedly mounted on lamp cap 1；
(5) side line is welded: defeated by electric welding or will be left in the driving power 3 outside lamp cap 1 one of spot welding after lamp cap 1 solidifies
Enter line to weld together with lamp cap extension
(6) pressure rivet: using automatic press-riveting nailing machine device, is pressed into rivet in the bottom of lamp cap 1, makes the drive of rivet Yu 1 bottom of lamp cap
Another input line electrical connection on dynamic power supply 3, so far, whole lamp assembly are completed；
(7) it lights test: the whole lamp assembled being passed through nominal alternating current, carries out lighting test；
(8) aging is packed: carrying out burn-in test for aging assembly line is put by the qualified whole lamp for lighting test, test is completed
Afterwards, it is packed.
Claims (6)
1. a kind of light bulb, including lamp cap, glass bulb and driving power, the glass bulb are arranged on the lamp cap,
The driving power is arranged in the lamp cap, it is characterised in that glass stem, the glass are arranged in the lamp cap
The lower part of glass stem connect with the lower seal of the glass bulb make the glass stem and the glass bulb it
Between form a closed cavity, be provided with LED light source in the cavity, the glass is arranged in the LED light source
It on stem, is electrically connected between the LED light source and the driving power by seal wire, the lower end of the seal wire is stretched downwards
The glass stem is electrically connected with the driving power out, and the glass stem is stretched out in the upper end of the seal wire upwards
It is electrically connected with the LED light source.
2. a kind of light bulb as described in claim 1, it is characterised in that the LED light source includes light source board, the light source
Multiple LED light bars are provided on plate.
3. a kind of light bulb as claimed in claim 2, it is characterised in that multiple LED light bars are vertically disposed in parallel in described
Light source board on.
4. a kind of light bulb as described in claim 1, it is characterised in that filled with the gas for heat dissipation in the cavity.
5. a kind of manufacturing method of light bulb as described in claim 1, it is characterised in that the following steps are included:
(1) spot welding: in the upper end of glass stem mash welder or electric welding machine by the seal wire installed in LED light source and glass stem
Upper end links together, and realizes seal wire with LED light source and is electrically connected；
(2) using envelope bubble machine, the lower part of glass bulb and the lower edge sealing of glass stem envelope bubble: are made by high temperature sintering
It combines together, forms a closed cavity, LED light source is located in the cavity；
(3) line: the lower end of seal wire is connected with driving power by wrapping wire or electric welding, realizes seal wire and driving power
Electrical connection, and then realize being electrically connected for driving power and LED light source；
(4) it beats lamp cap mud: glass bulb is installed on lamp cap, and stamp lamp cap mud lamp cap mud between lamp cap and glass bulb
Solidify by high-temperature baking, realizes that glass bulb is securedly mounted on lamp cap；
(5) it welds side line: after lamp cap solidification, an input line in the driving power outside lamp cap will be left in by electric welding or spot welding
Weld together with lamp cap extension；
(6) pressure rivet: using automatic press-riveting nailing machine device, is pressed into rivet in the bottom of lamp cap, makes the driving of rivet Yu lamp cap bottom
Another input line electrical connection on power supply, so far, whole lamp assembly are completed；
(7) it lights test: the whole lamp assembled being passed through nominal alternating current, carries out lighting test；
(8) aging is packed: carrying out burn-in test for aging assembly line is put by the qualified whole lamp for lighting test, test is completed
Afterwards, it is packed.
6. a kind of manufacturing method of light bulb as claimed in claim 5, it is characterised in that pressed between step (2) and step (3)
Following steps are added in sequence:
(2-1) exhaust: the air exhaust rod being connected with cavity is had on glass stem, air exhauster is connected in air exhaust rod, passes through exhaust
Machine carries out vacuumize process for several times to cavity, excludes the air in cavity；
(2-2) inflation: after the evacuated processing of cavity, it is used for the gas of heat dissipation by air exhaust rod injection, then leads to air exhaust rod
Oversintering burn-up, the air seal in cavity is lived.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130364.6A CN109386750A (en) | 2018-09-27 | 2018-09-27 | A kind of light bulb and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130364.6A CN109386750A (en) | 2018-09-27 | 2018-09-27 | A kind of light bulb and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109386750A true CN109386750A (en) | 2019-02-26 |
Family
ID=65418349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811130364.6A Pending CN109386750A (en) | 2018-09-27 | 2018-09-27 | A kind of light bulb and its manufacturing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109386750A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120049732A1 (en) * | 2010-08-26 | 2012-03-01 | Chuang Sheng-Yi | Led light bulb |
| CN203656639U (en) * | 2013-12-19 | 2014-06-18 | 福建永德吉灯业股份有限公司 | All-direction LED (light-emitting diode) bulb lamp |
| CN103953861A (en) * | 2014-04-02 | 2014-07-30 | 厦门市东林电子有限公司 | Integrated heat radiation type LED (light emitting diode) bulb |
| CN104696756A (en) * | 2015-03-25 | 2015-06-10 | 四川柏狮光电技术有限公司 | LED lamp bulb without connecting piece and manufacturing method of LED lamp bulb |
| CN106764522A (en) * | 2016-12-22 | 2017-05-31 | 东莞市博发光电科技有限公司 | LED bulb wick structure and preparation method that a kind of 360 ° of light emitting flexible filaments are made |
-
2018
- 2018-09-27 CN CN201811130364.6A patent/CN109386750A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120049732A1 (en) * | 2010-08-26 | 2012-03-01 | Chuang Sheng-Yi | Led light bulb |
| CN203656639U (en) * | 2013-12-19 | 2014-06-18 | 福建永德吉灯业股份有限公司 | All-direction LED (light-emitting diode) bulb lamp |
| CN103953861A (en) * | 2014-04-02 | 2014-07-30 | 厦门市东林电子有限公司 | Integrated heat radiation type LED (light emitting diode) bulb |
| CN104696756A (en) * | 2015-03-25 | 2015-06-10 | 四川柏狮光电技术有限公司 | LED lamp bulb without connecting piece and manufacturing method of LED lamp bulb |
| CN106764522A (en) * | 2016-12-22 | 2017-05-31 | 东莞市博发光电科技有限公司 | LED bulb wick structure and preparation method that a kind of 360 ° of light emitting flexible filaments are made |
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Effective date of registration: 20200213 Address after: 322009 NO.901, Longqi Road, Suxi Town, Yiwu City, Jinhua City, Zhejiang Province Applicant after: Harmony Mingxin (Yiwu) Photoelectric Technology Co., Ltd Address before: 312071 Zhejiang province Shaoxing Paojiang Industrial Zone No. 308 North Road in the robe Applicant before: Xinhe (Shaoxing) Green Lighting Co., Ltd. |
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Application publication date: 20190226 |