CN202674892U - Self-cooling light emitting diode (LED) lamp bead and luminous module thereof - Google Patents
Self-cooling light emitting diode (LED) lamp bead and luminous module thereof Download PDFInfo
- Publication number
- CN202674892U CN202674892U CN2012202155499U CN201220215549U CN202674892U CN 202674892 U CN202674892 U CN 202674892U CN 2012202155499 U CN2012202155499 U CN 2012202155499U CN 201220215549 U CN201220215549 U CN 201220215549U CN 202674892 U CN202674892 U CN 202674892U
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- self
- led lamp
- lamp pearl
- radiator
- cooling
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- Expired - Fee Related
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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
- F21Y2113/00—Combination of light sources
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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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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A self-cooling light emitting diode (LED) lamp bead comprises an LED chip and a radiator, wherein the LED chip is molded directly on the radiator. Due to the fact that the LED chip is molded directly on the radiator and a matched optical module, an optimal LED luminous module integration unit module is formed. The self-cooling LED lamp bead not only has the optimal heat dispersion, but also has the optimal optical utilization efficiency and simple installation structure. The self-cooling LED lamp bead can be assembled to form a lighting fixture or the luminous module.
Description
[technical field]
The utility model relates to a kind of self-cooling LED lamp pearl and illuminating module thereof, and particularly a kind of have excellent heat dispersion performance and self-cooling LED lamp pearl and an illuminating module thereof easy for installation.
[background technology]
In traditional lighting engineering, use osram lamp more, because power consumption and volume are large, luminous efficiency is low, the life-span is short, and more and more can not adapt to the needs of modern society.Along with the development of semiconductor technology, power consumption and volume are little, and luminous efficiency is high, and the life-span, the long application of LED in electric light source technology more and more was subject to people's attention.
Along with the progress of technology, the application of light emitting diode (LIGHT EMITING DIODE is called for short LED) is increasingly extensive, and especially the power of LED is updated raising, and LED is gradually by the field infiltration and development of signal demonstration to lighting source.Yet the popularization of great power LED, facing maximum problem is that luminous total brightness is low.For improving luminous total brightness, generally take to improve single LEDs brightness, and with many packaged LED lamp pearls, the way of taking connection in series-parallel to gather together.No matter improve the brightness of single chips, or the method that gathers together of connection in series-parallel, all to add high-power, the generation that all can sharply strengthen heat.The general single power of LED lamp pearl all is smaller, and brightness is inadequate, and in order to improve brightness, people often use a plurality of LED lamp pearl combinations as a light source, be fixed on simultaneously on a circuit board and the radiator.The brightness of LED lamp pearl and life-span and its operating temperature have certain relation, and the LED radiating effect is better, and operating temperature is lower, and brightness is higher, and the life-span is longer.Progress along with the LED manufacturing technology, what single led power can have been done now is increasing, when sharing a fin, radiating effect is poor, particularly when any large-power LED light bead is overheated, this heat can improve the temperature of monoblock fin, thereby has lowered the function of fin heat radiation, even might cause excess Temperature even the breaking-up of other lamp pearls.
LED only has the electric energy about 35% to convert light ray radiation to out at present, and all the other electricity of about 65% have been transformed into heat.Low-power LED heat production total amount is few, and heating problem is not outstanding, and high-power illumination LED, its power is tens of original little LED, hundred times, heating problem have once become affects one of the most critical of LED life-span and luminous efficiency factor, and becomes the maximum bottleneck problem of obstruction illumination popularization.Therefore, how to solve the major issue that heat dissipation problem becomes the LED industry development.In addition, because existing LED optical texture all is that the LED module cooperates a radiator, be area and the weight that increases radiator when guaranteeing radiating effect thereby cause the designer, so it is little to make product satisfy volume, lightweight, easy to assembly demand.
[utility model content]
Be the bad problem of the heat radiation that overcomes prior art, the utility model provides a kind of have excellent heat dispersion performance and convenient self-cooling LED lamp pearl and illuminating module thereof of installing.
The technical scheme of the utility model technical solution problem is: a kind of self-cooling LED lamp pearl is provided, and it comprises a led chip, and a radiator, and this led chip is directly molded on this radiator.
Preferably, this led chip is positioned on the plane of this radiator, or in the groove that defines on its plane, or on the projection that defines on this plane, comprise a reflector layer in this groove, be used for the light beam of this led chip emission of reflection.
Preferably, this radiator comprises a solid central shaft, and the upper radiating fin that forms a plurality of outside settings, wherein at least one radiating fin at least one metallic channel is set, and is used for the extraction electrode on this led chip of guiding.
Preferably, wherein at least one radiating fin a locating hole is set, this locating hole and screw, a locating dowel or a buckle structure cooperate this self-cooling LED lamp pearl of location on an illuminating module.
Preferably, further comprise No. one lens or a secondary lens, be arranged at this led chip top, and by at least two pins on these lens or the secondary lens, screw thread, bonding, or bayonet socket is positioned on this radiator.
Preferably, this radiator is circular, square, quadrangle or hexagon, and this radiator can also be cylindricality or slice-shaped.
Preferably, this secondary lens comprises a first lens and one second lens, and these two lens integrate, and its outer protective cover that further comprises.
Preferably, this extraction electrode connects a connector by wire, and this connector is arranged at below or its side of this radiator, is used for being electrically connected power-supply controller of electric.
The another technical scheme of the utility model technical solution problem is: the LED illuminating module, it comprises a shell, one loam cake, one power-supply controller of electric, a plurality of such as the described self-cooling LED lamp of the arbitrary claim pearl as described in the claim 1 to 8, this loam cake and this shell define a receiving space and are used for accommodating this power-supply controller of electric and these a plurality of self-cooling LED lamp pearls, cover on being somebody's turn to do a plurality of through holes are set, these a plurality of self-cooling LED lamp pearls pass respectively this through hole, and its radiator is positioned between this outer casing base and this loam cake.
Preferably, this self-cooling LED lamp pearl is by screw, and the locating hole that arranges on locating dowel or buckle structure and its radiating fin cooperates locates this each self-cooling LED lamp pearl and cover on this.
Preferably, further comprise an aluminium base, a plurality of through holes are set on it, corresponding with the through hole of this loam cake, this aluminium base periphery is provided with solder joint and the circuit corresponding with self-cooling LED lamp pearl extraction electrode, and this circuit further is electrical connected with this power-supply controller of electric.
Compared with prior art, the utility model self-cooling LED lamp pearl passes through at a molding heat radiator one led chip, can realize the good transmission of led chip heat energy, simultaneously also can realize the easy to assembly of LED illuminating module, no longer need in the LED illuminating module, assemble again any radiator by using this self-cooling LED lamp pearl, the shell that directly this LED lamp pearl is inserted or be positioned this LED illuminating module can realize simply, and is convenient, and good each illuminating module or the element of heat dispersion.Again, this self-cooling LED lamp pearl is equipped with lens simultaneously, thereby form the LED illuminating module integrated unit module an of the best, this self-cooling LED lamp pearl not only has best heat dispersion and best optics also can be set as required light effect, directly be positioned on this radiator by this LED lamp pearl, this self-cooling LED lamp pearl more can be so that the assembling of this self-cooling LED lamp pearl.Again, this self-cooling LED lamp pearl arranges again a lens cap, and it can install various structures according to customer demand, and the lens of shape are realized different lighting areas, the bright dipping shape, and rising angle, emitting brightness, thus further realized simplification and the flexibility of assembling.Aluminium base with holes
[description of drawings]
Fig. 1 is the generalized section of the utility model self-cooling LED lamp pearl the first embodiment.
Fig. 2 is the structural representation of the utility model self-cooling LED lamp pearl the first embodiment.
Fig. 3 is the structure chart of the utility model self-cooling LED lamp pearl the second embodiment.
Fig. 4 is the structure chart of the utility model self-cooling LED lamp pearl the 3rd embodiment.
Fig. 5 is the structure chart of the utility model self-cooling LED lamp pearl the 4th embodiment.
Fig. 6 is the structure chart of the utility model self-cooling LED lamp pearl the 5th embodiment.
Fig. 7 is the structural representation of the utility model self-cooling LED lamp pearl the 6th embodiment.
Fig. 8 is the structural representation of the utility model self-cooling LED lamp pearl the 7th embodiment.
Fig. 9 is the structural representation of LED substrate of the led chip of the utility model self-cooling LED lamp pearl the 7th embodiment.
Figure 10 is the lens arrangement schematic diagram of the utility model self-cooling LED lamp pearl the 7th embodiment.
Figure 11 is the lens cap structural representation of the utility model self-cooling LED lamp pearl the 7th embodiment.
Figure 12 is the structural representation of the radiator of the utility model self-cooling LED lamp pearl the 7th embodiment.
Figure 13 is the structural representation that the utility model adopts illuminating module the first embodiment of this self-cooling LED lamp pearl.
Figure 14 is that the utility model adopts the illuminating module of this self-cooling LED lamp pearl to remove the structural representation of this loam cake.
Figure 15 is the structural representation of the aluminium base of the utility model illuminating module of adopting this self-cooling LED lamp pearl.
[specific embodiment]
See also Fig. 1 and Fig. 2, profile and the structural representation of the utility model self-cooling LED lamp pearl the first embodiment.This self-cooling LED lamp pearl 10 comprises that successively a reflector 11, one lens 12, one led chips, 13, one LED substrates 15 and a radiator 16, two extraction electrodes 14 draw from these LED substrate 15 both sides.
This lens 12 integrate with this reflector 11 and are positioned in this LED substrate 15, wherein these lens 12 and this led chip 13 over against.This reflector 11 is one bowl-shape, this led chip 13 is arranged at the bottom centre of this reflector 11, launch luminous range and the illuminating area of the main spot of light beams by this this led chip 13 of reflector 11 controls, this reflector 11 is vacuum aluminum-coated making, has better light reflective properties.
This LED substrate 15 is the copper post, pottery, the bronze medal post that the high materials of thermal conductivity such as silver are made, one ceramics pole, or a silver medal post, it passes through elargol, silica gel, resin, tin, alloy material, eutectic solder, copper slurry, this led chip 13 of tin slurry location thereon, this bonding material has good heat conductivility, heat resistance, and its thermal coefficient of expansion is corresponding with this led chip 13.This copper post, ceramics pole, or silver-colored post can also be threaded in this radiator 16 by the bottom double-screw bolt.
This radiator 16 is copper, and the complex of aluminium or multiple material is made, and this LED substrate 15 arranges thereon, by elargol, and silica gel, resin, tin, alloy material, eutectic solder, copper slurry, tin slurry location.Wherein, this LED substrate 15 can be positioned on the plane of this radiator 16, or in the groove that defines on its plane, or on the projection that defines on this plane.
This radiator 16 is a solid central shaft, form a plurality of to extraradial radiating fin 160 on it, these a plurality of radiating fins 160 comprise on the two symmetrically arranged radiating fins 161 and define a wire casing 161, be used for this two extraction electrode 14 of guiding, also comprise two symmetrically arranged locating slots 163, this locating slot 163 can be screwed hole, pass through screw, screw, screw rod is realized the location of this self-cooling LED lamp pearl 10, this locating slot 163 also can be an opening, its can with the buckle that is complementary, shell fragment fixes or locates this self-cooling LED lamp pearl 10.This radiator 16 can be as required by lathe turning, die casting, or the mould extruding mode such as pull out be processed into cylindrical, square, quadrangle, the shape of hexagon or other various needs is convenient to the assembling of product when improving heat dispersion.
The utility model self-cooling LED lamp pearl 10 is by arranging a radiator 16 to each led chip 13, and be equipped with simultaneously lens 12, thereby form the LED illuminating module integrated unit module an of the best, this self-cooling LED lamp pearl 10 not only has best heat dispersion and also has best combining structure, and it can be so that this self-cooling LED lamp pearl 10 be assembled into illuminating module.
See also Fig. 3, the second embodiment for the utility model self-cooling LED lamp pearl, this self-cooling LED lamp pearl 20 has similar structure to self-cooling LED lamp pearl 10, except this self-cooling LED lamp pearl 20 only comprises lens 21 No. one time, these lens 21 is positioned on this LED pedestal 25, and its scioptics 21 different structure settings are controlled from the bright dipping distance of the light beam of this led chip 23 and the illuminating area of main spot.
See also Fig. 4, be the 3rd embodiment of the utility model self-cooling LED lamp pearl, this self-cooling LED lamp pearl 30 has similar structure to self-cooling LED lamp pearl 10, except reflector 31 outsides of this self-cooling LED lamp pearl 30 further arrange a protective cover 311.
See also Fig. 5, the 4th embodiment for the utility model self-cooling LED lamp pearl, this self-cooling LED lamp pearl 40 has similar structure to self-cooling LED lamp pearl 10, except this self-cooling LED lamp pearl 40 comprises a secondary lens 41 and No. one lens 42, this secondary lens 41 integrates with these lens 42, two lens after this integration can be further carry out the adjustment that light beam penetrates path and intensity according to the needs that use, and these integrated lens finish in advance, so it is convenient to the assembling of product.
See also Fig. 6, the 5th embodiment for the utility model self-cooling LED lamp pearl, this led chip 53 is arranged in this LED substrate 55, and be arranged on this LED radiator 56 by this LED substrate 55, these led chip 53 arranged outside have two conductors 58 for plugged, and wherein at least one conductor 58 insulate with this radiator 56, another conductor 58 and this radiator 56 insulation, can also with these radiator 56 conductings, utilize this radiator 56 double conductors of doing.Connect with wire 581 between this led chip 53 and this conductor 58, connect with wire 583 between this conductor 58 connector 59 corresponding with two, this wire can be gold, aluminium, copper cash is soldered between this conductor 58 and this led chip 53 by the hypercolour welding technology, reaches between this conductor 58 connector 59 corresponding with this.Wherein, the wire 583 that connects between this conductor 58 and this connector 59 is to pass the through hole of establishing in this radiator 56, and this connector 59 is arranged at the bottom of this radiator 56.
See also Fig. 7, be the 6th embodiment of the utility model self-cooling LED lamp pearl, this self-cooling LED lamp pearl 60 has similar structure to this self-cooling LED lamp pearl 50, is arranged at the side of this radiator 66 except its connector 69.
Seeing also Fig. 8 is the structural representation of the utility model self-cooling LED lamp pearl the 7th embodiment, Fig. 9 is the structural representation of LED substrate of the led chip of the utility model self-cooling LED lamp pearl the 7th embodiment, Figure 10 is the lens arrangement schematic diagram of the utility model self-cooling LED lamp pearl the 7th embodiment, Figure 11 is the lens cap structural representation of the utility model self-cooling LED lamp pearl the 7th embodiment, and Figure 12 is the structural representation of the radiator of the utility model self-cooling LED lamp pearl the 7th embodiment.This self-cooling LED lamp pearl 70 comprises that successively lens 72, one led chips, 73, one LED substrates 75 and a radiator 76, two extraction electrodes 74 draw from these led chip 73 both sides.
This lens 72 and this led chip 73 over against, it is a lens integrate body, comprises a first lens 721, one second lens 722 and four-limbeds 723.These second lens 722 are one bowl-shape, this led chip 73 is arranged at the bottom centre of the second lens 722, by luminous range and the illuminating area of the second lens 722 with the main spot of these these led chip 73 emission light beams of first lens 721 controls, has better light reflective properties.This pin 723 is arranged at the bottom of these the second lens 722.
This LED substrate 75 is copper, pottery, the bronze medal post that the high materials of thermal conductivity such as silver are made, a ceramics pole, one silver medal post, the silver-plated post of a bronze medal, a copper sheet, a potsherd, or a silver strip, it is by elargol, silica gel, resin, tin, alloy material, eutectic solder, the copper slurry, this led chip 73 of tin slurry location is thereon, this bonding material has good heat conductivility, heat resistance, and its thermal coefficient of expansion is corresponding with this led chip 73.This copper post, ceramics pole, or silver-colored post can also be threaded in this radiator 76 by bottom double-screw bolt 751.
This radiator 76 is copper, and the complex of aluminium or multiple material is made, and this LED substrate 75 arranges thereon, by elargol, and silica gel, resin, tin, alloy material, eutectic solder, copper slurry, tin slurry or borded pile location.Wherein, this LED substrate 75 can be positioned on the plane of this radiator 76, or in the groove that defines on its plane, or on the projection that defines on this plane.
This radiator 76 is a solid central shaft, form a plurality of to extraradial radiating fin 760 on it, these a plurality of radiating fins 760 comprise on the two symmetrically arranged radiating fins 761 and define a wire casing 761, be used for this two extraction electrode 74 of guiding, also comprise two symmetrically arranged locating slots 763, this locating slot 763 can be screwed hole, pass through screw, screw, screw rod is realized the location of this self-cooling LED lamp pearl 70, this locating slot 763 also can be an opening, its can with the buckle that is complementary, shell fragment fixes or locates this self-cooling LED lamp pearl 70.This radiating fin 760 further comprise four in twos symmetrically arranged radiating fin one screens hole 765 is set respectively, the pin of these lens inserts also and is positioned in this screens hole 765.
This radiator 76 can be as required by lathe turning, die casting, or the mould extruding mode such as pull out be processed into cylindrical, square, quadrangle, the shape of hexagon or other various needs is convenient to the assembling of product when improving heat dispersion.
The utility model self-cooling LED lamp pearl 70 is by arranging a radiator 76 to each led chip 73, and be equipped with simultaneously lens 72, thereby form the LED illuminating module integrated unit module an of the best, this self-cooling LED lamp pearl 70 not only has best heat dispersion and also has best combining structure, and it can be so that this self-cooling LED lamp pearl 70 be assembled into illuminating module.
The utility model self-cooling LED lamp pearl 70 is not limited to said structure, and as shown in figure 11, it can increase by a lens cap 78, and it is used for accommodating this lens 72 '.This lens cap 78 comprises a cover body 781 and a cover cap 783, and this cover body 781 can be used for accommodating variant lens 72 ' in wherein, and this cover cap 783 cooperates these lens 72 ' of location with these cover body 781 tops, and the bottom of this cover body 781 comprises the pin 785 of four symmetries.The pin 785 of this four symmetry inserts and is positioned in the screens hole 765 of this this radiating fin 760.This LED substrate 75 is inessential element again, and it can also not need, and directly led chip 73 is taken shape on this radiator 76.Again, the extraction electrode 74 on this led chip 73 is not restricted to two, and it can become according to the needs of practicality three, four or more.And the pin 723 on these lens 72 or the pin 825 of this lens cap can also be asymmetric structures.
See also Figure 13, assemble the LED illuminating module of finishing for the utility model self-cooling LED lamp pearl, this LED illuminating module 80 comprises a shell 800 and a loam cake 802, and this loam cake 802 defines a receiving space with this shell 800 and is used for accommodating this power-supply controller of electric 806 and these a plurality of self-cooling LED lamp pearls 10.A plurality of through holes 804 are set on this loam cake 802, and these a plurality of self-cooling LED lamp pearls 10 pass respectively this through hole 804, and its radiator 16 is positioned between this outer casing base 801 and this loam cake 802, and this power-supply controller of electric 806 is arranged on the base 801 of this shell.This self-cooling LED lamp pearl 10 cooperates by the locating slot 163 that arranges on screw 808 and the radiating fin 160 locates this each self-cooling LED lamp pearl 10 on this loam cake 802.Further comprise an aluminium base 809 on this loam cake 802, this aluminium base 809 is positioned this loam cake 802, a plurality of through holes (not indicating) are set on it, corresponding with the through hole 804 of this loam cake, this aluminium base 809 is used for being electrically connected two extraction electrodes 14 of these a plurality of self-cooling LED lamp pearls 10, and is electrical connected with this power-supply controller of electric 806.
Compared with prior art, the utility model LED illuminating module 80 this self-cooling LED lamp pearl 10 because adopting at a molding heat radiator one led chip, can realize the good transmission of led chip heat energy, simultaneously also can realize the easy to assembly of LED illuminating module, no longer need in the LED illuminating module, assemble again any radiator by using this self-cooling LED lamp pearl, the shell that directly this LED lamp pearl is inserted or be positioned this LED illuminating module can be realized simply, convenient, and good each illuminating module or the element of heat dispersion.Again, this self-cooling LED lamp pearl is equipped with lens simultaneously, thereby form the LED illuminating module integrated unit module an of the best, this self-cooling LED lamp pearl not only has best heat dispersion and best optics also can be set as required light effect, directly be positioned on this radiator by this LED lamp pearl, this self-cooling LED lamp pearl more can be so that the assembling of this self-cooling LED lamp pearl.Again, this self-cooling LED lamp pearl arranges again a lens cap, and it can install various structures according to customer demand, and the lens of shape are realized different lighting areas, the bright dipping shape, and rising angle, emitting brightness, thus further realized simplification and the flexibility of assembling.
The above only is preferred embodiment of the present utility model, and in order to limit the utility model, all any modifications of doing within principle of the present utility model are not equal to replacement and improvement etc. and all should comprise within the protection domain of the present utility model.
Claims (11)
1. self-cooling LED lamp pearl, it comprises a led chip, and a radiator, it is characterized in that: this led chip is directly molded on this radiator.
2. self-cooling LED lamp pearl as claimed in claim 1, it is characterized in that: this led chip is positioned on the plane of this radiator, or in the groove that defines on its plane, or on the projection that defines on this plane, comprise a reflector layer in this groove, be used for the light beam of this led chip emission of reflection.
3. self-cooling LED lamp pearl as claimed in claim 1, it is characterized in that: this radiator comprises a solid central shaft, and the upper radiating fin that forms a plurality of outside settings, wherein at least one radiating fin at least one metallic channel is set, be used for the extraction electrode on this led chip of guiding.
4. self-cooling LED lamp pearl as claimed in claim 1 is characterized in that: wherein at least one radiating fin a locating hole is set, this locating hole and screw, a locating dowel or a buckle structure cooperate this self-cooling LED lamp pearl of location on an illuminating module.
5. self-cooling LED lamp pearl as claimed in claim 1 is characterized in that: further comprise No. one lens or a secondary lens, be arranged at this led chip top, and by at least two pins on these lens or the secondary lens, screw thread, bonding, or bayonet socket is positioned on this radiator.
6. self-cooling LED lamp pearl as claimed in claim 1 is characterized in that: this radiator is for circular, and is square, quadrangle or hexagon, and this radiator can also be cylindricality or slice-shaped.
7. self-cooling LED lamp pearl as claimed in claim 5, it is characterized in that: this secondary lens comprises a first lens and one second lens, and these two lens integrate, and its outer protective cover that further comprises.
8. self-cooling LED lamp pearl as claimed in claim 3, it is characterized in that: this extraction electrode connects a connector by wire, and this connector is arranged at below or its side of this radiator, is used for being electrically connected power-supply controller of electric.
9. LED illuminating module, it comprises a shell, one loam cake, one power-supply controller of electric, a plurality of such as the described self-cooling LED lamp of the arbitrary claim pearl as described in the claim 1 to 8, this loam cake and this shell define a receiving space and are used for accommodating this power-supply controller of electric and these a plurality of self-cooling LED lamp pearls, cover on this a plurality of through holes are set, these a plurality of self-cooling LED lamp pearls pass respectively this through hole, and its radiator is positioned between this outer casing base and this loam cake.
10. LED illuminating module as claimed in claim 9 is characterized in that: this self-cooling LED lamp pearl is by screw, and the locating hole that arranges on locating dowel or buckle structure and its radiating fin cooperates locates this each self-cooling LED lamp pearl and cover on this.
11. LED illuminating module as claimed in claim 9, it is characterized in that: further comprise an aluminium base, a plurality of through holes are set on it, corresponding with the through hole of this loam cake, this aluminium base periphery is provided with solder joint and the circuit corresponding with self-cooling LED lamp pearl extraction electrode, and this circuit further is electrical connected with this power-supply controller of electric.
Priority Applications (1)
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CN2012202155499U CN202674892U (en) | 2011-06-08 | 2012-05-04 | Self-cooling light emitting diode (LED) lamp bead and luminous module thereof |
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CN201120191479.3 | 2011-06-08 | ||
CN201120191479 | 2011-06-08 | ||
CN2012202155499U CN202674892U (en) | 2011-06-08 | 2012-05-04 | Self-cooling light emitting diode (LED) lamp bead and luminous module thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110093874A (en) * | 2019-05-16 | 2019-08-06 | 广东昭信照明科技有限公司 | A kind of LED roadmarking lamp |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110093874A (en) * | 2019-05-16 | 2019-08-06 | 广东昭信照明科技有限公司 | A kind of LED roadmarking lamp |
CN110093874B (en) * | 2019-05-16 | 2021-03-30 | 广东昭信照明科技有限公司 | LED road marking lamp |
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Granted publication date: 20130116 Termination date: 20180504 |