CN203023892U - LED (Light Emitting Diode) bulb lamp - Google Patents
LED (Light Emitting Diode) bulb lamp Download PDFInfo
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- CN203023892U CN203023892U CN2012207375298U CN201220737529U CN203023892U CN 203023892 U CN203023892 U CN 203023892U CN 2012207375298 U CN2012207375298 U CN 2012207375298U CN 201220737529 U CN201220737529 U CN 201220737529U CN 203023892 U CN203023892 U CN 203023892U
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 22
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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- 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 an LED (Light Emitting Diode) bulb lamp. The LED bulb lamp comprises a lamp holder, a driving circuit board, an LED light source module, metal sheets, a glass lamp housing, an isolated body and transparent liquid, wherein a main sealing chamber formed by the glass lamp housing and the isolated body are filled with the transparent liquid, an LED light source is immersed in the transparent liquid under the support of the two metal sheets, the upper sections and the lower sections of the two metal sheets are respectively and electrically connected with an LED light source and the driving circuit board, the middle sections of the two metal sheets are embedded in a sealing body, and the driving circuit board is arranged in the lamp holder on the top of the lamp housing and is conducted with the lamp holder. According to the LED bulb lamp, the transparent liquid is used for replacing heat conductive silicon grease and a heat conductive baseplate in a conventional LED bulb lamp, the glass lamp housing is used for replacing a metal heat sink, so that the heat transfer efficiency and reliability of the LED light source are improved, materials are substantially saved, the technology is simplified, and the cost is reduced. The cost of the LED bulb lamp is reduced to be basically equivalent to the cost of a compact fluorescent lamp from being higher by 1-2 times than the cost of the compact fluorescent lamp; and the whole LED bulb lamp is manufactured by almost completely using the original bulb material, technology and equipment for a filament lamp, so that the production efficiency is improved, and the equipment investment is saved.
Description
Technical field
The utility model relates to a kind of LED lamp, particularly the LED bulb lamp of high, the low cost of manufacture of a kind of radiating efficiency.
Background technology
White-light LED bulb is the Novel energy-saving lamp that substitutes the conventional incandescent bulb.Conventional incandescent (tengsten lamp) power consumption is high, the life-span is short; under under the overall situation of global resources anxiety; gradually, forbidden producing by national governments; substitute products are electronic energy-saving lamps thereupon; although electronic energy-saving lamp has improved energy-saving effect; but due to the heavy metal element that has used many contaminated environment, run counter to again the main trend of environmental protection.Along with the high speed development of LED technology, the LED illumination becomes the only choosing of novel green illumination gradually.LED is far superior to the traditional lighting product on the aspect of principle of luminosity, energy-saving and environmental protection.
Due to incandescent lamp and electronic energy-saving lamp in people's routine use still in occupation of very high ratio, in order to cut the waste, LED illumination manufacturer must develop the LED illuminating product that meets existing interface and people's use habit, makes people in the situation that do not need to change former conventional lamp pedestal and circuit just can use LED illuminating product of new generation.So the LED bulb lamp just arises at the historic moment.Namely in order to meet people's use habit, imitate the profile of incandescent lamp bulb, and adopt existing lamp holder joints mode, be i.e. screw socket, socket mode (E26 E27 E14 B22 etc.), and globe lamp cell-shell.
But because LED light source need to work under the dc low-voltage condition, therefore must be equipped with special-purpose driving power; , luminous efficiency very high due to the temperature-density of LED light source light-emitting junction and light decay temperature influence are very big, therefore must be equipped with heat radiator dedicated.This just makes the structure of LED bulb lamp much more complicated than incandescent lamp, electricity-saving lamp (compact fluorescent lamp).It generally is comprised of lamp housing, LED light source, radiator, drive circuit board, the large parts of lamp holder five, and wherein LED light source, driving power, radiator are three large critical components of LED bulb lamp.
LED light source is the luminous core of LED bulb lamp.Drive circuit board is that the alternating voltage of 220 volts is converted into the required low voltage direct current of LED light source, provides the lamp pearl luminous required electric energy.Radiator is that the harmful heat that will accumulate on LED light source is dispersed into surrounding environment as early as possible, thereby controls temperature rise, the quick aging of avoiding LED lamp pearl, the inefficacy of LED lamp pearl.The Main Function of lamp housing, lamp holder is to form a profile similar to incandescent lamp and interface.
The radiator of LED bulb lamp be rely on convection current and two kinds of methods of radiation dissipation of heat in air, and the ability of these two kinds of heat radiations is all to be directly proportional with its area of heat radiation.The material most of radiator adopts aluminium alloy, plastic tank radiators and ceramic heat sink, and its radiating effect is mainly by convection current and radiation.And convection current is determined by its shape and area fully.Radiation is relevant with the radiativity of material.Bring into play the effect of radiator, the LED lamp pearl heat radiation that at first must guarantee bulb lamp is good, this just need to be connected on the bead weld of LED lamp on a heat-conducting substrate (being generally aluminium base), again the circular aluminium radiating board of this piece aluminium base and a slice is fixed, and then this piece aluminium radiating board is fixed to radiator shell gets on.
Aluminium radiating board adopts later on trip bolt that its heat-conducting substrate directly is fixed together through fine finishining, but because there is cutter trade on the aluminium radiating board surface, therefore have air-gap between these two, the heat of LED lamp pearl will be intercepted by air-gap when being delivered to heat sink through heat-conducting substrate (aluminium base) like this, greatly affect heat transfer and radiation, reduce radiating effect.For this reason need to be between both the silicon-coating heat-conducting glue to improve heat-conducting effect.But for the thermal conductivity factor of aluminum 200-250W/m-K, the thermal conductivity factor of at present best silicon heat-conducting glue is only 2.5W/m-K, only has 1% left and right of aluminum.Therefore can find out, the weakest link of at present LED bulb lamp heat radiation is not radiator but heat transmission between heat-conducting substrate and radiator, this is because the thermal conductivity factor of silicon heat-conducting glue is too poor, can not be in time the heat of LED lamp pearl be passed to radiator, LED lamp pearl will produce serious heat build-up, causes light decay and even the inefficacy of LED lamp pearl.But regrettably at present also can the substituted for silicon heat-conducting glue without any means, the radiating effect of LED external heat sink is difficult to be not fully exerted at all, how to change radiator and Design of Luminaires, all can't fundamentally change the heat dissipation problem of LED bulb lamp.
In addition, from present technology, the radiator of LED light source all adopts the aluminum of high thermal conductivity basically, and the radiator of each LED bulb lamp needs approximately 50cm at least
3, 150 grams, be only that the expenses such as raw material, processing, moulding cost of radiator self have just surpassed the whole lamp sale price of present compact type energy-saving lamp, this becomes LED bulb lamp cost high enterprise, is difficult to enter huge numbers of families' a Main Bottleneck.
Therefore be badly in need of that a kind of radiating efficiency is high, cost is low and the simple LED bulb lamp of manufacture craft.
The utility model content
In view of this, technical problem to be solved in the utility model is to provide that a kind of radiating efficiency is high, cost is low and the simple LED bulb lamp of manufacture craft.
The purpose of this utility model is to propose a kind of LED bulb lamp and structure thereof.
The purpose of this utility model is achieved through the following technical solutions:
A kind of LED bulb lamp that the utility model provides comprises lamp holder, drive circuit board, LED light source, sheet metal, glass lamp housing and slider, also comprises transparency liquid, and described transparency liquid is filled in the glass lamp housing chamber;
The support of described LED light source by two sheet metals, be immersed in transparency liquid;
The lower end of described sheet metal connects the positive and negative electrode of LED light source, and the upper end connects the output of drive circuit board, and the middle part is embedded in slider;
The input of described drive circuit board is connected with the fire of lamp holder, 0 two electrodes, and output is connected with sheet metal.
Further, described transparency liquid is high thermal conductivity, high resistivity, and the liquid of high transmission rate, high chemical stability;
Further, described LED light source is the LED light source module that metal plate encapsulation or printed circuit board (PCB) directly encapsulate.
Further, be the flat board that leaves through hole on described dull and stereotyped encapsulated LED light source module.
Further, described sheet metal is two non-touching copper material sheets, and described copper material sheet is electrically connected to LED light source.
Further, described slider is corrosion resistant insulating materials, and described slider and lamp housing are formed for encapsulating the primary seal chamber of transparency liquid.
Further, also comprise reflection shield, described reflection shield is arranged at the LED light source surrounding, is used for the light that poly-remittance LED light source sends; Described reflection shield is the high reflectance aluminium, and leaves hole on reflection shield.
Further, described glass lamp housing is the lamp housing of class spherical, tubular or spherical and tubular combination.
Further, described glass lamp housing is the glass lamp housing of fully transparent or diffuser.
Further, described lamp holder is to be provided with live wire, the screw socket of two electrodes of zero line or the lamp holder of bayonet coupling.
Major advantage of the present utility model is: adopt cheap transparency liquid as the heat heat transfer medium of LED light source, substitute heat-conducting silicone grease and the heat-conducting substrate of poor efficiency; Due to transparency liquid good mobility and surface tension, make its with the LED light source of heating between seamless contact that can realize ideal, separately by the good thermal convection current performance of liquid, can be with the heat of LED light source in all directions, promptly pass, thereby solve the bottleneck of LED light source heat unofficial biography.Adopt cheap ripe glass bulb as lamp body, the aluminium radiator of replace complex; Due to the thermal emissivity of glass than the large several times of aluminium, thereby the glass lamp housing heat that transparency liquid can be transmitted diffuses in surrounding environment rapidly and goes, and glass bulb not only as the light transmission container of transparency liquid, but also as the seal of LED light source and transparency liquid, also as the LED bulb lamp to the high efficiency and heat radiation material of extraneous radiations heat energy, the natural shape of bulb lamp profile especially, therefore glass bulb is taken upon oneself several posts, and has not only significantly simplified technique, but also decrease cost.Obviously use the combination replacement of transparency liquid and glass lamp housing by the combination of heat-conducting silicone grease, aluminium matter heat-conducting plate, aluminium radiator, original heat radiation general layout, the raising radiating efficiency of LED bulb lamp will significantly be improved, extend the LED light source life-span, and the manufacturing cost of decrease LED bulb lamp.
In addition, adopt the alternative ball cap encapsulation of LED light source of dull and stereotyped encapsulation or the LED light source of integration packaging, and have through hole on flat board, both disperseed the heat concentration degree of LED chip by the area of flat board, again by the through hole on flat board form transparency liquid the fluid convection channel, further accelerate the outer transfer efficiency of heat of LED chip;
Transparency liquid, glass lamp housing are all that good light transmission is arranged in addition, and be little on the characteristics of luminescence impact of LED light source.
this is external this by lamp holder, drive circuit board, LED light source, sheet metal, glass lamp housing, transparency liquid, in the LED bulb lamp that slider forms, lamp holder, slider, glass lamp housing is all the ready-made part of conventional incandescent, can adopt the original bulb material of incandescent lamp, technique, equipment, just the tungsten filament in incandescent lamp is replaced by LED light source, the lead-in wire of filament is replaced by sheet metal, to be both cheaply ready-made like this, thoroughly solved again the complete manual production of existing LED bulb lamp, problem without automatic production line, enhance productivity, save equipment investment.
Except three elements of above-mentioned incandescent lamp system, other two element LED light sources, the drive circuit board of the utility model is all the basic part of existing LED bulb lamp; Just on existing LED bulb lamp basis, the increase transparency liquid, but reduced several elements such as plastic lamp shade, aluminium radiator, aluminium matter heat-conducting plate.The several times of transparency liquid cost due to the aluminium radiator cost, therefore this Novel LED bulb lamp on material cost far below the existing bulb lamp based on aluminium radiator, significantly economical with materials, simplify technique, reduce costs.This just can break through the Price Bottleneck of LED bulb lamp, makes its cost several times, reaches and the substantially suitable level of compact fluorescent lamp.
Other advantage of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being apparent to those skilled in the art to investigating hereinafter, perhaps can be instructed from practice of the present utility model.Target of the present utility model and other advantage can realize and obtain by specifically noted structure in following specification and accompanying drawing.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is the conventional incandescent structural representation;
Fig. 2 is existing LED ball bulb lamp structure schematic diagram;
Liquid radiating LED bulb lamp embodiment 1 schematic diagram that Fig. 3 provides for the utility model embodiment;
Liquid radiating LED bulb lamp embodiment 2 schematic diagrames that Fig. 4 provides for the utility model embodiment;
Liquid radiating LED bulb lamp embodiment 3 schematic diagrames that Fig. 5 provides for the utility model embodiment;
The dull and stereotyped encapsulated LED light source module diagram with through hole that Fig. 6 provides for the utility model embodiment.
In figure, lamp holder-1, the first contact 11, the second contact 12, screw socket 13, sealing clay 14, drive circuit board-2, outer conductor 31, central conductor 32, inside conductor (sheet metal) 3, LED light source-4, through hole 41, transparency liquid 5, glass lamp housing-6, reflection shield-7, hole 71, slider-8.
The specific embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail; Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
Fig. 1 is the conventional incandescent structural representation; Incandescent lamp adopts heat resistant glass to be made into the spheroidal glass bulb, and it is filament and air insulated, can printing opacity, shield again.In the time of incandescent lamp work, the temperature of glass bulb reaches as high as 100 ℃ of left and right.The filament of incandescent lamp is its luminous core original paper, it be with 1 meter how long, than hairline also much thin tungsten filament do spirality.Two seal wires to the filament energising are comprised of inside conductor, Dumet wire and outer conductor three parts.Inside conductor is used for conducting electricity and anchored filament, makes of copper wire or nickel coated iron wire; The red wire of middle one section very short requires it air tight with the close combination of glass Dumet wire; Outer conductor is copper wire, and task connects lamp holder exactly in order to energising.Two one of outer conductors are connected on the screw socket of lamp holder, and one is associated on the scolding tin contact of bowing.
Fig. 2 is existing LED ball bulb lamp structure schematic diagram; Existing LED bulb lamp is comprised of glass/plastic shell, LED light source, radiator, drive circuit board, the large parts of lamp holder five.Wherein LED light source, drive circuit board, radiator are its three large critical components.Wherein LED light source is its luminous core.Drive circuit board is that the alternating voltage of 220 volts is converted into the required low voltage direct current of LED lamp pearl, provides the lamp pearl luminous required electric current.Radiator is generally that aluminum material is made, it is through the transmission of heat-conducting substrate and the heat exchange of self fin and environment, thereby harmful dissipation of heat that LED light source is sent is in air, with the temperature rise of controlling the lamp pearl, prevent the accumulation of heat on the lamp pearl and burn out the lamp pearl.And the effect of the glass/plastic shell of bulb lamp is only to form a profile similar to incandescent lamp, although LED light source is also played certain protective role, but can absorption portion luminous energy, the light of LED light source is exported weaken.The effect of lamp holder is the same with incandescent lamp, is machinery and the electric interfaces of light source.
liquid radiating LED bulb lamp embodiment 1 schematic diagram that Fig. 3 provides for the utility model embodiment, liquid radiating LED bulb lamp embodiment 2 schematic diagrames that Fig. 4 provides for the utility model embodiment, liquid radiating LED bulb lamp embodiment 3 schematic diagrames that Fig. 5 provides for the utility model embodiment, the dull and stereotyped encapsulated LED light source module diagram with through hole that Fig. 6 provides for the embodiment of the present invention, as shown in the figure, the LED bulb lamp that the utility model provides, comprise lamp holder 1, drive circuit board 2, LED light source 4, sheet metal 3, glass lamp housing 6, slider 8(is as the glass capsulation body) and transparency liquid 5, reflection shield can also be set, this reflection shield is arranged at the LED light source surrounding, be used for the light that poly-remittance LED light source sends, described reflection shield is the high reflectance aluminium, and leaves hole 71 on reflection shield.
Described transparency liquid is filled in the chamber of glass lamp housing formation; The support of described LED light source by two sheet metals, be immersed in transparency liquid; The lower end of described sheet metal connects the positive and negative electrode of LED light source, and the upper end connects the output of drive circuit board, and the middle part is embedded in slider; The input of described drive circuit board is connected with the fire of lamp holder, 0 two electrodes, and output passes slider and is connected with LED light source by sheet metal.
Described transparency liquid is the liquid medium of high thermal conductivity, high resistivity, high transmission rate, high physical and chemical stability.
Described LED light source is the LED light source module of dull and stereotyped encapsulation, and is immersed in fully in transparency liquid, utilizes the convection properties body of liquid, and the heat of its back side, front, side can be passed away;
Described dull and stereotyped encapsulated LED light source module is metal plate encapsulation or COB(printed circuit board (PCB)) the LED light source module that directly encapsulates, heat is disperseed more;
Have through hole 41 on the flat board of described dull and stereotyped encapsulated LED light source module, with the passage as liquid convection, further improve heat conductivity;
Described sheet metal is the electric path that drive circuit is powered to LED light source, is also the mechanical support frame of LED light source, or the auxiliary heat dissipation passage of LED light source;
The interlude of described sheet metal embeds in slider and can adopt the Dumet wire of incandescent lamp, and the part of its lower semisection immersion transparency liquid scribbles the surface anticorrosion layer;
Described slider is embedded in two sheet metals 3, and the lower exit of sheet metal 3 is connected with the positive and negative electrode of LED light source in chamber respectively, and upper exit is connected with drive circuit board output in lamp holder; Described slider 8 seals by sealing clay 14 at lamp holder 1 interface with glass lamp housing 6.
The junction of described lamp holder and glass lamp housing forms chamber with the slider sealing, and transparency liquid is encapsulated in this chamber;
Described glass lamp housing can be both the lamp housing of ordinary incandescent lamp, can be also similarly spherical, tubular, the spherical and tubular forms such as combination, can be both fully transparent, also can be diffuser; And the volume of glass lamp housing primary seal chamber is slightly larger than the volume of transparency liquid.
Described lamp holder is and screw socket 13 or the bayonet socket form of conventional incandescent lamp that top and the end of thread are respectively the incoming end of live wire, zero line.Described lamp holder center of top is provided with the first contact 11, and described lamp holder side is provided with the second contact 12, and described the first contact and the second contact are electrically connected to drive circuit board respectively.
Described lamp holder arranged outside has the attaching parts that are connected with lamp socket, screw socket or the bayonet socket of described attaching parts for matching with lamp socket.
Described glass lamp housing can be the ready-made lamp housing of incandescent lamp, spherical, cylindricality that also can standard or the glass shell of other shape and material; The volume of the primary seal chamber of described glass lamp housing is slightly larger than the volume of transparency liquid, can reserve the space of expanding with heat and contract with cold to liquid in glass shell like this.
Described lamp holder is the standard screw socket or the bayonet socket that match with lamp socket, and for hollow, hold drive circuit board, and two electrode is connected with two inputs of drive circuit board.
Described wire is divided into three sections, and epimere is that outer conductor 31 is connected with drive circuit board 2, and its stage casing is embedded in slider, adopts the Dumet wire of incandescent lamp as central conductor 32; Its hypomere adopts sheet metal 3 and anticorrosive coating, be immersed in transparency liquid, not only to the LED light source power supply, but also provide mechanical support to it; Its epimere stretches in the space of lamp holder and is connected with the output of drive circuit board.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. a LED bulb lamp, comprise lamp holder, drive circuit board, LED light source, sheet metal, glass lamp housing and slider, it is characterized in that: also comprise transparency liquid, described transparency liquid is filled in the glass lamp housing chamber;
The support of described LED light source by two sheet metals, be immersed in transparency liquid;
The lower end of described sheet metal connects the positive and negative electrode of LED light source, and the upper end connects the output of drive circuit board, and the middle part is embedded in slider;
The input of described drive circuit board is connected with the fire of lamp holder, 0 two electrodes, and output is connected with sheet metal.
2. LED bulb lamp according to claim 1, it is characterized in that: described transparency liquid is high thermal conductivity, high resistivity, and the liquid of high transmission rate, high chemical stability.
3. LED bulb lamp according to claim 1 is characterized in that: described LED light source is the directly LED light source module of encapsulation of metal plate encapsulation or printed circuit board (PCB).
4. LED bulb lamp according to claim 3, is characterized in that: be the flat board that leaves through hole on described metal plate encapsulated LED light source module.
5. LED bulb lamp according to claim 1, it is characterized in that: described sheet metal is two non-touching copper material sheets, and described copper material sheet is electrically connected to LED light source.
6. LED bulb lamp according to claim 1, it is characterized in that: described slider is corrosion resistant insulating materials, described slider and lamp housing are formed for encapsulating the primary seal chamber of transparency liquid.
7. LED bulb lamp according to claim 1, it is characterized in that: also comprise reflection shield, described reflection shield is arranged at the LED light source surrounding, is used for the poly-light that LED light source sends that converges; Described reflection shield is the high reflectance aluminium, and leaves hole on reflection shield.
8. LED bulb lamp according to claim 1 is characterized in that: described glass lamp housing is the lamp housing of class spherical, tubular or spherical and tubular combination.
9. LED bulb lamp according to claim 1 is characterized in that: described glass lamp housing is the glass lamp housing of fully transparent or diffuser.
10. LED bulb lamp according to claim 1, it is characterized in that: described lamp holder is to be provided with live wire, the screw socket of two electrodes of zero line or the lamp holder of bayonet coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207375298U CN203023892U (en) | 2012-12-28 | 2012-12-28 | LED (Light Emitting Diode) bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207375298U CN203023892U (en) | 2012-12-28 | 2012-12-28 | LED (Light Emitting Diode) bulb lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023892U true CN203023892U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207375298U Expired - Fee Related CN203023892U (en) | 2012-12-28 | 2012-12-28 | LED (Light Emitting Diode) bulb lamp |
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| Country | Link |
|---|---|
| CN (1) | CN203023892U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868036A (en) * | 2014-02-21 | 2014-06-18 | 厦门广泓工贸有限公司 | Lamp holder negative terminal, installation structure and installation process for lamp holder negative terminal and driving board, and LED (Light Emitting Diode) lamp |
| CN108343853A (en) * | 2017-01-25 | 2018-07-31 | 福建永德吉灯业股份有限公司 | Standardization LED bulb lamp, production technology, conveying device and automatic production line |
-
2012
- 2012-12-28 CN CN2012207375298U patent/CN203023892U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868036A (en) * | 2014-02-21 | 2014-06-18 | 厦门广泓工贸有限公司 | Lamp holder negative terminal, installation structure and installation process for lamp holder negative terminal and driving board, and LED (Light Emitting Diode) lamp |
| CN103868036B (en) * | 2014-02-21 | 2018-06-19 | 厦门广泓工贸有限公司 | Lamp cap negative terminal and its with the mounting structure of driving plate and mounting process and LED light |
| CN108343853A (en) * | 2017-01-25 | 2018-07-31 | 福建永德吉灯业股份有限公司 | Standardization LED bulb lamp, production technology, conveying device and automatic production line |
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