CN105221943B - LED light - Google Patents
LED light Download PDFInfo
- Publication number
- CN105221943B CN105221943B CN201510753510.0A CN201510753510A CN105221943B CN 105221943 B CN105221943 B CN 105221943B CN 201510753510 A CN201510753510 A CN 201510753510A CN 105221943 B CN105221943 B CN 105221943B
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- drive circuit
- circuit board
- led
- led light
- luminescence components
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- 238000004020 luminiscence type Methods 0.000 claims abstract description 65
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium(0) Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000005452 bending Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 230000003287 optical Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 210000004209 Hair Anatomy 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The present invention provides a kind of LED light, including lampshade and the connecting seat for being fixed on lampshade one end, LED light source is equipped in cavity between lampshade and connecting seat, LED light source includes drive circuit board and the LED luminescence components being fixed on drive circuit board, LED luminescence components include the substrate of strip and the LED chip that is disposed on the substrate, wherein, the side wall of drive circuit board is equipped with external screw thread, and connecting seat is equipped with the internal thread coordinated with external screw thread.LED lamp structure provided by the invention is simple, and simple production process, and production cost is low.
Description
Technical field
The present invention relates to field of illuminating lamps, more particularly, to a kind of LED light.
Background technology
LED light device uses light emitting diode（LED）As light-emitting component, with energy conservation and environmental protection, consumption power it is low,
The advantages that service life is long is widely used in various illumination occasions.Existing LED light device usually has bar printing electricity
Road plate, printed circuit board are equipped with LED chip, LED chip are excited by powering to LED chip when LED light device works
It shines.
The Chinese invention patent application of Publication No. CN 104006321A discloses a kind of LED lamps with LED light source,
The shape of the LED light and existing bulb lamp shape are essentially identical, and there are one lampshade, radiator and connecting seat, lampshades for tool
Interior to be equipped with LED light source, which has substrate and LED chip group, and substrate is bent into U-shaped, the setting of LED chip group
On substrate.It is additionally provided with radiating connection plate in lampshade and connecting seat, the both ends of substrate are connected on radiating connection plate, and are radiated
The circuit modules such as constant-current driving power supply are additionally provided on connecting plate, for the LED chip group in drive substrate.Radiating connection plate is fixed
On a heat sink, the heat generated when LED chip group works is conducted by radiating connection plate to radiator, and passes through radiator
It radiates.
However, due to radiating connection plate need it is fixed on a heat sink, and radiator be fixed on lampshade and connecting seat it
Between, when processing LED light, need by circuit module integration packaging on radiating connection plate, and radiating connection plate is fixed on
On radiator, then the substrate for being integrated with LED chip group is fixed on radiating connection plate, finally by radiator and connecting seat,
Lampshade is fixedly connected.Therefore, the processing technology of this LEDbulb lamp is complicated, and production cost is higher, and production efficiency is low.
Invention content
In order to solve the problem above-mentioned, the main object of the present invention is to provide a kind of simple in structure and simple production process
LED light.
For the main purpose for realizing above-mentioned, LED light provided by the invention includes lampshade and is fixed on the connection of lampshade one end
Seat, is equipped with LED light source in cavity between lampshade and connecting seat, and LED light source includes drive circuit board and is fixed on driving electricity
LED luminescence components on the plate of road, LED luminescence components include the substrate of strip and the LED light-emitting component that is disposed on the substrate,
Wherein, the side wall of drive circuit board is equipped with external screw thread, and connecting seat is equipped with the internal thread coordinated with external screw thread.
It, will by said program as it can be seen that LED light source is connected by the internal thread of external screw thread and connecting seat on drive circuit board
When LED light source is installed on connecting seat, it is only necessary to screw on connecting seat drive circuit board, very convenient, technique is installed
Simply, the production cost of LED light can be substantially reduced.
One Preferable scheme is that, the quantity of drive circuit board is two pieces or more, including is mutually perpendicular to and intersects arrangement
The quantity of first drive circuit board and the second drive circuit board, LED luminescence components is two or more, including is separately fixed at first
The first LED luminescence components on drive circuit board and fixed the 2nd LED luminescence components on the second circuit board, and the first LED
Luminescence component is arranged in a mutually vertical manner with the 2nd LED luminescence components.
It can be seen that a LED luminescence component is respectively set on the first drive circuit board and the second drive circuit board, and
Connection between LED luminescence components and drive circuit board is relatively simple, and is mutually perpendicular between two pieces of drive circuit boards and phase
Arrangement is handed over, keeps the connection of two pieces of drive circuit boards relatively simple, is only needed when assembling LED light source two pieces of drive circuit boards are mutual
It vertically connects, and two LED luminescence components is separately fixed to the group for completing LED light source on two pieces of drive circuit boards
Dress, the production cost of LED light source are low.
Further embodiment is, the first drive circuit board is equipped with the extended from the top down of the first drive circuit board
A part for one interpolation slit, second circuit board is inserted into the first interpolation slit, and the second drive circuit board is equipped with from the second driving circuit
A part for the second interpolation slit that the bottom of plate upwardly extends, first circuit board is inserted into the second interpolation slit.
It can be seen that being connected with each other by the first interpolation slit and the second interpolation slit to realize between two pieces of drive circuit boards, therefore
Connection structure between two pieces of drive circuit boards is simple, and the packaging efficiency of LED light source is high.
Further embodiment is that the first drive circuit board is equipped with the first electric contact, and the first electric contact is located at the first interpolation slit
Lower section, the second electric contact being connect with the first electric contact is equipped in the second interpolation slit.
As it can be seen that by being electrically connected between the first electric contact and connection two pieces of drive circuit boards of realization of the second electric contact,
So that the circuit connection between two pieces of drive circuit boards is extremely simple, production cost is relatively low.
Further scheme is that external screw thread is equipped with the third electric contact for receiving alternating current, and the first driving
The lower end of circuit board is equipped with the four electrical contact for receiving alternating current.
As it can be seen that by the third electric contact and four electrical contact that receive alternating current be separately positioned on external screw thread and first drive
The lower end of dynamic circuit board, will not occupy volume larger in LED light, and the connection between electric contact and connecting seat is more firm
Gu.
Further scheme is that the top of the first LED luminescence components is equipped with locating part, and the middle part of locating part is equipped with limit
Slot is fixed in limiting slot at the top of the 2nd LED luminescence components.
It can be seen that the first LED luminescence components are fixed with the 2nd LED luminescence components by limiting slot, the first LED is avoided to send out
Relative motion between optical assembly and the 2nd LED luminescence components also avoids two LED luminescence components from being shaken in lampshade, avoids
The damage of LED luminescence components.
Further scheme is that multiple mounting grooves are formed on substrate, and LED light-emitting component is mounted in mounting groove.
As it can be seen that mounting groove is arranged on substrate, easily LED light-emitting component can be installed, simplify the luminous groups of LED
The production technology of part.
Preferable scheme is that the cavity between lampshade and connecting seat is closed cavity, and indifferent gas is filled in cavity
Body.
It can be seen that as a heat transfer medium by inert gas, the heat that LED light-emitting component generates is passed by inert gas
It is directed on lampshade and is dispersed into air, so there is no need to which radiating connection plate and radiator is arranged, the structure of LED light is simpler
Single, production cost is low.
Description of the drawings
Fig. 1 is the structure chart of LED light embodiment of the present invention.
Fig. 2 is the structural exploded view of LED light embodiment of the present invention.
Fig. 3 is the structural exploded view of the first drive circuit board and the second drive circuit board in LED light embodiment of the present invention.
Fig. 4 is the STRUCTURE DECOMPOSITION of the first LED luminescence components and the second drive LED luminescence components in LED light embodiment of the present invention
Figure.
Fig. 5 is the schematic enlarged-scale view of the first LED luminescence components in LED light embodiment of the present invention.
Fig. 6 is the structural exploded view of the first drive circuit board and the first LED luminescence components in LED light embodiment of the present invention.
Fig. 7 is the structural exploded view of the second crystal drive circuit plate and the 2nd LED luminescence components in LED light embodiment of the present invention.
Fig. 8 is that LED light embodiment of the present invention hides the structure chart after lampshade.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific implementation mode
The LED light of the present invention uses LED chip as LED light-emitting component, and shape is identical as existing bulb lamp, can
It is installed on the lamp holder that existing bulb lamp uses, and the electric energy consumed is less, has the advantages that energy conservation and environmental protection.
Referring to Fig. 1, the LED light of the present embodiment has lampshade 10 and the connecting seat 11 positioned at 10 lower section of lampshade, lampshade 10
It is directly anchored to the top of connecting seat.Referring to Fig. 2, the outer wall of connecting seat 12 is equipped with external screw thread, can be with the interior spiral shell on lamp holder
Line coordinates, therefore LED light can thread directly into lamp holder.
LED light source is equipped in the cavity defined by lampshade 10 and connecting seat 11, LED light source includes two pieces of drive circuit boards
And two LED luminescence components, the first drive circuit board 20 are mutually perpendicular to the second drive circuit board 30 and intersect arrangement, the
One LED luminescence components 50 are removably attached to the upper end of the first drive circuit board 20, and the 2nd LED luminescence components 40 are removably
It is fixed on the upper end of the second drive circuit board 30, and the first LED luminescence components 50 and the 2nd LED luminescence components 40 are strip
Shape and be in substantially up-side down triangle, and intersects and is vertically arranged.
Referring to Fig. 3, there is the first drive circuit board 20 main body 21 of plate, main body 21 to be equipped with an interpolation slit 23, interpolation slit 23
Extend from the top down of the first drive circuit board 20.In the present embodiment, the length of interpolation slit 23 is more than the first drive circuit board 20
Length half.Also, it is equipped with electric contact 27 in the lower section of interpolation slit 23.
It is additionally provided with driving power chip 22 on first drive circuit board 20, for the alternating current of reception to be converted into low-pressure direct
Galvanic electricity is simultaneously powered to LED chip.Set there are two jack 26 in the upper end of the first drive circuit board 20, driving power chip 22 with insert
Hole 26 is electrically connected by the circuit being arranged in main body 21.
It is equipped with electric contact 24 in the lower end of the first drive circuit board 20, for receiving alternating current, it is preferable that electric contact 24 is
Firewire electric contact.First driving plate, 20 both sides are equipped with external screw thread 25, and external screw thread 25 is equipped with electric contact, for receiving exchange
Electricity, it is preferable that the electric contact on external screw thread 25 is zero curve electric contact.
Second circuit board 30 has the main body 31 of plate, and main body 31 is equipped with driving power chip 32, for that will receive
Alternating current be converted into low-voltage DC and be supplied to LED chip.It is equipped with interpolation slit 33 in the lower end of the second drive circuit board 30, is inserted
Seam 33 is upwardly extended from the lower end of the second drive circuit board 30, and the length of interpolation slit 33 is less than 30 length of the second drive circuit board
Half.Also, electric contact 34 is equipped in interpolation slit 33.
When second drive circuit board 30 is connect with the first drive circuit board 20, the second drive circuit board 30 is inserted into from top to down
Into interpolation slit 23, at this point, the lower part of the second drive circuit board 30 is inserted into the interpolation slit 23 of the first drive circuit board 20, and first
The top of drive circuit board 20 is also inserted into the interpolation slit 33 of the second drive circuit board 30.At this point, electric contact 27 and electric contact 34
Contact, alternating current can pass through in the conduction to driving power chip 32 of electric contact 27,34.
The top of second drive circuit board 30 is set there are two jack 36, and driving power chip 32 passes through the circuit in main body 31
It is electrically connected with jack 36.Also, the side wall of the second drive circuit board 30 is equipped with external screw thread 35, and external screw thread 35 is equipped with electricity and touches
Point, it is preferable that the electric contact on external screw thread 35 is zero curve electric contact.
First LED luminescence components 50 are installed on first drive circuit board 20, is equipped on the second drive circuit board 30
Two LED luminescence components 40, referring to Fig. 4, the first LED luminescence components 50 have the substrate 51 of strip, which can set
There are the conventional printed circuit boards of multiple through-holes, and metal layer is set in the bottom surface of conventional printed circuit boards, which includes
Metal back layer and be overlying on the metal back layer the surface towards conventional printed circuit boards metal mirror layer, conventional printed circuit boards
Another bottom surface be equipped with layers of copper circuit, multiple through-holes of the conventional printed circuit boards and metal mirror layer, which are constituted, multiple to be used to install
The mounting groove of LED light-emitting components.
Substrate 51 is bent into the shape of substantially inverted triangle, and there are two bending parts 52 for tool.It is first due to shining as LED
The LED chip of part is arranged in mounting groove, therefore forms multiple light-emitting zones 58 on the first LED luminescence components 50.Due to LED
Chip cannot be bent, therefore on bending part 52 and be not provided with LED chip.Inserted block 53 there are two being set in the lower end of substrate 51, such as
Shown in Fig. 6, when the first LED luminescence components 50 are installed on the first drive circuit board 20, two inserted blocks 53 can be inserted into respectively
Onto two jacks 26.Preferably, two inserted blocks 53 are made of electrically conductive material, and conduction is equipped in two jacks 26
Electric contact, inserted block 53 can be electrically connected with the electric contact in jack 26.Preferably, removably connect between inserted block 53 and jack 26
It connects, if inserted block 53 and jack 26 are interference fitted or are clamped, to realize the first LED luminescence components 50 and the first drive circuit board
Being detachably connected between 20.
Also, the top of the first LED luminescence components 50 is equipped with locating part 54, and referring to Fig. 5, the middle part of locating part 54 is equipped with one
Limiting slot 55, the extending direction of limiting slot 55 are vertical with the extending direction at top 56 of substrate 51.Also, on locating part 54 also
Equipped with another limiting slot 57 vertical with limiting slot 55, therefore, two limiting slots 55,57 form criss-cross slot.
There is 2nd LED luminescence components 40 substrate 41 substantially in up-side down triangle, substrate 41 to be equipped with mounting groove, as
The LED chip of LED light-emitting component is arranged in mounting groove, therefore forms multiple light-emitting zones on the 2nd LED luminescence components 40
48, and tool is not provided with LED chip there are two bending part 42 on bending part 42 on substrate 41.In the 2nd LED luminescence components 40
Lower end is set there are two inserted block 43, when the 2nd LED luminescence components 40 are installed to the second drive circuit board 30, two the second inserted blocks 43
It can be respectively installed on two the second jacks 36.As shown in fig. 7, inserted block 43 is made of electrically conductive material, and each is inserted
Block 36 is equipped with the electric contact being connect with jack 43, when inserted block 43 is inserted into jack 36, what driving power chip 32 exported
Direct current conducts to inserted block 43 by the electric contact of jack 36 and to ED chip power supply.Preferably, the 2nd LED luminescence components 40 can
It is releasably installed on second circuit board 30, i.e. inserted block 43 and jack 36 is detachably connected, such as inserted block 43 and 36 interference of jack
Cooperation or clamping.
The top of 2nd LED luminescence components 40 is equipped with limited block 44, when the first LED luminescence components 50 and the 2nd LED shine
When component 40 is respectively installed to the first drive circuit board 20 and the second drive circuit board 30, the group as shown in figure 8, the 2nd LED shines
The top of part 40 is located in the limiting slot 57 of the first LED luminescence components 50, and limited block 44 is located in limiting slot 55, to realize
First LED luminescence components 50 are relatively fixed with the 2nd LED luminescence components 40.
When manufacturing LED light, LED chip is set on circuit boards first, and circuit board is formed by bending the luminous groups of the first LED
Part 50 and the 2nd LED luminescence components 40.When assembling LED light, the second drive circuit board 30 is first inserted into the first drive circuit board
On 20, as seen from Figure 8, the first drive circuit board 20 is mutually perpendicular to the second drive circuit board 30 and is arranged with intersecting, due to
The top of first drive circuit board 20 is inserted into the interpolation slit 33 of the second drive circuit board 30, and under the second drive circuit board 30
Portion is inserted into the interpolation slit 23 of the first drive circuit board 20, therefore between the first drive circuit board 20 and the second drive circuit board 30
It is fixed, relative rotation will not be freeed.
Then, the first LED luminescence components 50 and the 2nd LED luminescence components 40 are respectively installed to the first drive circuit board 20
And second on drive circuit board 30, and the first LED luminescence components 50 are fixed with the 2nd LED luminescence components 40, form LED light
Source.Then, LED light source is installed on connecting seat 11, due to the side of the first drive circuit board 20 and the second drive circuit board 30
Be equipped with external screw thread on wall, and connecting seat 11 is equipped with internal thread, by the cooperation of external screw thread and internal thread can easily by
LED light source is installed on connecting seat.Finally, lampshade 10 is fixed on connecting seat, and between lampshade 10 and connecting seat
Inert gas is filled in cavity, such as helium will be formed by cavity sealing, form LED light between lampshade 10 and connecting seat 11.
After LED light is installed to lamp holder, alternating current is input to by connecting seat on two pieces of drive circuit boards, due to the first drive
Electric contact 24 on dynamic circuit board 20 is firewire electric contact, and the external screw thread of two pieces of drive circuit boards is equipped with zero curve electric contact,
Alternating current can pass through firewire electric contact, zero curve electric contact flows into two pieces of drive circuit boards.Also, the first drive circuit board 20
Electric contact 27 is electrically connected with the electric contact 34 of the second drive circuit board 30, realizes the conduction of alternating current.
Alternating current passes through jack after the driving power chip on two pieces of drive circuit boards is converted into low-voltage DC
26, inserted block 53 is powered to the LED chip of the first LED luminescence components 50, by jack 36, inserted block 43 to the 2nd LED luminescence components
40 LED chip power supply.The heat that LED chip generates when working is conducted by helium to lampshade 10, and is dissipated by lampshade 10
It is sent in air, therefore, radiating connection plate need not be arranged in LED light of the invention or radiator is used to radiate, simple in structure,
Production cost is low.
Also, since two pieces of drive circuit boards are detachably attached on connecting seat 11, the replacement of LED light source is extremely simple
It is single, conveniently, and two LED luminescence components are also detachably attached on two pieces of drive circuit boards, two LED luminescence components
It replaces also very simple.As it can be seen that the structure of LED light is simple, and manufacturing process is also simple, and production cost is low.
Finally it is emphasized that the present invention is not limited to the above embodiments, for example, only the first drive circuit board or
External screw thread is set on the second drive circuit board, rather than external screw thread is respectively provided on two pieces of drive circuit boards；Alternatively, two LED hairs
Optical assembly is designed to the other shapes such as arc-shaped, M types, these changes should be included in the protection domain of the claims in the present invention
It is interior.
Claims (8)
1.LED lamps, including
Lampshade and the connecting seat for being fixed on described lampshade one end, the cavity between the lampshade and the connecting seat are interior equipped with LED
Light source, the LED light source include drive circuit board and the LED luminescence components being fixed on the drive circuit board, the LED
Luminescence component includes the LED light-emitting component of the substrate and setting of strip on the substrate；
It is characterized in that：
The side wall of the drive circuit board is equipped with external screw thread, and the connecting seat is equipped with the interior spiral shell coordinated with the external screw thread
Line；
The quantity of the drive circuit board is two pieces or more, including is mutually perpendicular to and intersects the first drive circuit board and the of arrangement
It is both provided with the outer spiral shell on the side wall of two drive circuit boards, first drive circuit board and second drive circuit board
Line；
The quantity of the LED luminescence components is two or more, including first be separately fixed on first drive circuit board
LED luminescence components and the 2nd LED luminescence components being fixed on second drive circuit board, and the luminous groups of the first LED
Part is arranged in a mutually vertical manner with the 2nd LED luminescence components；
Helium is filled in cavity between the lampshade and the connecting seat.
2. LED light according to claim 1, it is characterised in that：
First drive circuit board is equipped with the first interpolation slit extended from the top down of first drive circuit board, described
A part for second drive circuit board is inserted into first interpolation slit；
Second drive circuit board is equipped with the second interpolation slit upwardly extended from the bottom of second drive circuit board, described
A part for first drive circuit board is inserted into second interpolation slit.
3. LED light according to claim 2, it is characterised in that：
First drive circuit board is equipped with the first electric contact, and first electric contact is located at the lower section of the first interpolation slit, described
The second electric contact being connect with first electric contact is equipped in second interpolation slit.
4. LED light according to claim 3, it is characterised in that：
The external screw thread is equipped with the third electric contact for receiving alternating current.
5. LED light according to claim 4, it is characterised in that：
The lower end of first drive circuit board is equipped with the four electrical contact for receiving alternating current.
6. LED light according to claim 1 or 2, it is characterised in that：
The top of the first LED luminescence components is equipped with locating part, and the middle part of the locating part is equipped with limiting slot, and described second
It is fixed at the top of LED luminescence components in the limiting slot.
7. LED light according to claim 1 or 2, it is characterised in that：
It is set at the top of first drive circuit board there are two the first jack, the both ends of the first LED luminescence components are detachable
Ground is inserted into first jack；
It is set at the top of second drive circuit board there are two the second jack, the both ends of the 2nd LED luminescence components are detachable
Ground is inserted into second jack.
8. LED light according to claim 1 or 2, it is characterised in that：
Multiple mounting grooves are formed on the substrate, LED light-emitting component is mounted in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510753510.0A CN105221943B (en) | 2015-11-04 | LED light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510753510.0A CN105221943B (en) | 2015-11-04 | LED light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105221943A CN105221943A (en) | 2016-01-06 |
| CN105221943B true CN105221943B (en) | 2018-08-31 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202598262U (en) * | 2012-06-06 | 2012-12-12 | 刘亮华 | Novel light-emitting diode (LED) lamp |
| CN103016986A (en) * | 2012-12-17 | 2013-04-03 | 厦门立明光电有限公司 | LED (light-emitting diode) bulb |
| CN203549436U (en) * | 2013-07-16 | 2014-04-16 | 胡桂兰 | Novel G9 bulb |
| CN103867944A (en) * | 2014-03-11 | 2014-06-18 | 立达信绿色照明股份有限公司 | Integral lamp head for LED (light emitting diode) lamp |
| CN204005338U (en) * | 2014-06-20 | 2014-12-10 | 江西晶科电子有限公司 | The full glass ball bulb lamp of a kind of all-round smooth barcode LED |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202598262U (en) * | 2012-06-06 | 2012-12-12 | 刘亮华 | Novel light-emitting diode (LED) lamp |
| CN103016986A (en) * | 2012-12-17 | 2013-04-03 | 厦门立明光电有限公司 | LED (light-emitting diode) bulb |
| CN203549436U (en) * | 2013-07-16 | 2014-04-16 | 胡桂兰 | Novel G9 bulb |
| CN103867944A (en) * | 2014-03-11 | 2014-06-18 | 立达信绿色照明股份有限公司 | Integral lamp head for LED (light emitting diode) lamp |
| CN204005338U (en) * | 2014-06-20 | 2014-12-10 | 江西晶科电子有限公司 | The full glass ball bulb lamp of a kind of all-round smooth barcode LED |
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