CN104976597A - Led lamp heat radiation structure using mechanical alloying method and manufacturing method thereof - Google Patents
Led lamp heat radiation structure using mechanical alloying method and manufacturing method thereof Download PDFInfo
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- CN104976597A CN104976597A CN201410483199.8A CN201410483199A CN104976597A CN 104976597 A CN104976597 A CN 104976597A CN 201410483199 A CN201410483199 A CN 201410483199A CN 104976597 A CN104976597 A CN 104976597A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0425—Copper-based alloys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/041—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by mechanical alloying, e.g. blending, milling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
Abstract
The present invention relates to an LED lamp heat radiation structure and a manufacturing method thereof and, specifically, to a manufacturing method of an LED lamp heat radiation structure using a mechanical alloying method, wherein the manufacturing method is characterized by comprising: a mechanical alloy powder preparing step of preparing a Cu-Ag alloy powder or Cu-Al alloy powder above thermodynamic solid solubility through a mechanical alloying method; a low-density preliminary molding step of molding the prepared mechanical alloy powder into a pole-shaped preliminary molded body; a high-density molding step of molding the preliminary molded body into a structure of a heat radiation structure; and a deposition coating step of deposition coating diamond like carbon on the heat radiation structure. The heat radiation structure using the Cu-Ag alloy powder or Cu-Al alloy powder prepared through the mechanical alloying method, according to the present invention, is manufactured by subjecting a highly thermal conductive material to plastic processing and deposition coating diamond like carbon thereon, and thus has advantages of having excellent thermal conductivity, reducing manufacturing costs through the minimization of material loss, and preventing environmental contamination.
Description
Technical field
The present invention relates to heat-radiating structure and manufacture method thereof, particularly, the Cu-Ag powder utilizing and to be synthesized more than solid solution boundary that thermodynamics balances each other by Mechanical Alloying or Cu-Al powder is related to and the thermal conductivity that manufactures and the high heat-radiating structure of mechanical strength and manufacture method thereof.
Background technology
, because light efficiency rate is high, the life-span is long for LED (Light Emitting Diode), not environment for use harmful substance, therefore probably can replace existing light source as environmental protection light source of future generation.In supplied electric power more than 80% is converted to heat energy by LED illumination, and consequent temperature increase causes the decline of light output and wavelength to move, and the life-span is sharply reduced.
Therefore, need a kind of heating temp of control LED junction surface to rise and be maintained the high function cooling system of below proper temperature, and the most important thing is heat sink material in cooling system.In LED illumination, output to high output along with from low, heating sharply increases, therefore the material that pyroconductivity is high is needed, and not only in LED illumination, and also because caloric value is large in electronic equipment, therefore in order to improve service life and reliability, the heat sink material of heat dispersion excellence is needed.
Material as excellent thermal conductivity has diamond (2,000W/mk), silver (415W/mk), copper (380W/mk) etc., but due to costliness or in mechanical strength or weight, want the where applicable as heat sink material to be restricted.
At present, as comprising the heat sink material used in the electrical equipment of LED illumination, electronic product, major part uses aluminum metal, but on heat dispersion, there is boundary, it is therefore desirable that combine the alloy material of the advantage of the thermal conductivity of the mechanical strength property of aluminium and the excellence of silver or copper, but the solid solubility balanced each other due to copper (Cu) and silver (Ag) or the formation thermodynamics of copper (Cu) and aluminium (Al) is very low, therefore can not obtain the alloy of desired combination.
As conventional art, pointed out in No. 10-1247119th, Ebrean Registered Patent and utilized expanded graphite and aluminum metal powder and the Heat dissipation composition with heat dissipation characteristics manufactured, but in mechanical property or thermal conduction characteristic, there is restriction in it.
Summary of the invention
The problem solved is wanted in invention
The present invention researches and develops to solve problem points described above, the object of the present invention is to provide a kind of synthesized more than thermodynamics solid solution boundary by Mechanical Alloying Cu-Ag powder or Cu-Al powder and the thermal conductivity manufactured is high and by minimized for material unaccounted-for (MUF) heat-radiating structure and manufacture method thereof.
For solving the means of problem
In order to solve the above-mentioned problem wanting to solve, the feature of the manufacture method of the LED illumination lamp heat-radiating structure of Mechanical Alloying that utilizes of the present invention is, comprises the steps: that plastic deformation manufactures the Cu-Ag alloy powder of more than thermodynamics solid solubility or the mechanical alloy powder manufacturing step of Cu-Al alloy powder by Mechanical Alloying; By the low-density preparation forming step that manufactured described mechanical alloy powder compacting is the preparation formed body of clavate shape; Described preparation formed body is shaped to the high density forming step of radiator structure shape; And on described heat-radiating structure the deposition coating step of deposition diamond-like carbon film (diamond like carbon).
In one embodiment of this invention, it is characterized in that, in described mechanical alloy powder manufacturing step, Cu powder is loaded in the chamber of mechanical alloying (mechanicalalloying) device with Al powder with Ag powder or Cu powder together with ball, obtains mechanical alloying powder with ball milling method plastic deformation.
In one embodiment of this invention, it is characterized in that, the particle size of described Cu powder, Ag powder and Al powder is 20 μm to 200 μm.
In one embodiment of this invention, it is characterized in that, described Cu powder and Ag powder are coordinated and alloying with the weight ratio of 98:2 to 99.5:0.5.
In another embodiment of the invention, it is characterized in that, described Cu powder and Al powder are coordinated and alloying with the weight ratio of 2:8 to 8:2.
In one embodiment of this invention, it is characterized in that, in described low-density forming step, under reducibility gas atmosphere, come shaping by double-deck compacting shape machine.
In one embodiment of this invention, it is characterized in that, in described high density forming step, carry out extruding or punching press forging processing, thus the crystalline structure being shaped to alloy possessing the heat-radiating structure of anisotropy, to increase thermal conductivity.
In one embodiment of this invention, it is characterized in that, in described deposition coating step, form the mode deposition diamond-like carbon film of the film thickness of 10 μm to 30 μm, to increase thermal conductivity.
Manufactured by the manufacture method of the LED illumination lamp heat-radiating structure utilizing Mechanical Alloying for solving the above-mentioned LED illumination lamp heat-radiating structure of the present invention of the technical task solved of wanting.
In one embodiment of this invention, it is characterized in that, described heat-radiating structure is heat sink shape.
Invention effect
The present invention manufactures Cu-Ag alloy powder or Cu-Al alloy powder by Mechanical Alloying, and carries out extruding or punching press forging processing, to make crystalline structure possess anisotropy, thus manufactures the high heat-radiating structure of thermal conductivity.
The present invention manufactures heat-radiating structure by the material that thermal conductivity is high and improves the cooling effectiveness of cooling system, and extends the life-span of LED illumination, energy loss is minimized.
The present invention utilizes alloyage process and plastic deformation process technology, thus material unaccounted-for (MUF) is minimized, and can guarantee a large amount of raw material simultaneously, does not almost have fragment, therefore, it is possible to reduce manufacturing cost, prevents the pollution of the environment.
Accompanying drawing explanation
Fig. 1 is the precedence diagram of the manufacture method that the LED illumination lamp heat-radiating structure that make use of Mechanical Alloying of the present invention is shown.
Fig. 2 is the figure of the mechanical alloy gasifying device illustrated for the manufacture of mechanical alloy powder of the present invention.
Fig. 3 is the figure of the tissue that the Cu-Ag alloy manufactured by Mechanical Alloying of the present invention is shown.
Fig. 4 is the photo of the tissue of the Cu-Al alloy manufactured by Mechanical Alloying of the present invention.
Fig. 5 illustrates figure low-density preparation formed body of the present invention being carried out to shaping compacting shape machine.
Detailed description of the invention
Below, with reference to accompanying drawing, specific embodiments of the invention are described.
Fig. 1 is the precedence diagram of the manufacture method that the LED illumination lamp heat-radiating structure that make use of Mechanical Alloying of the present invention is shown, comprising: mechanical alloy powder manufacturing step S10, low-density preparation forming step S20, high density forming step S30 and deposition coating step S40.
Described mechanical alloy powder manufacturing step S10 is plastic deformation by Mechanical Alloying, Cu-Ag alloy powder or Cu-Al alloy powder is manufactured the step of more than thermodynamics solid solubility.
Mechanical Alloying is following method: process the powder (or certain alloy powder of a part) of the component element forming alloy in the high-energy source ball mill (ballmill) of the stirring along with brute force, thus make component powders between crushing ball and ball continuously and carry out the process of cold welding (cold welding) and broken (fracture) repeatedly, manufacture thus and be formed as homogeneous and the composite metal powder of fine alloy phase.Such Mechanical Alloying can expect the tissue characteristics different from the manufacture method of flash set technology (rapidsolidification processing) or metal-base composites (metal matrixcomposite) on following point: mix Cu-Ag or Cu-Al that be difficult to carry out alloying because thermodynamics solid solubility is low and can obtain fine disperse phase, and in the alloying and dispersion treatment of composition, do not produce liquid phase, but carry out near normal temperature or by means of only solid phase reaction.
In addition, Mechanical Alloying has following effect: in chamber by friction mixed metal powder and alloying powder, material unaccounted-for (MUF) is minimized, a large amount of materials can be guaranteed simultaneously, there is fragment hardly, can manufacturing cost be reduced, and prevent the pollution of the environment.
Fig. 2 is the figure of the mechanical alloy gasifying device illustrated for the manufacture of mechanical alloy powder of the present invention, material powder is loaded together with ball in the chamber 30 of mechanical alloying (mechanical alloying) device, obtain mechanical alloying powder 40 with ball milling method plastic deformation.
The powder that particle size is Cu and Ag of 20 μm to 200 μm or the fine of Cu and Al is loaded in the chamber 30 of mechanical alloy gasifying device.After loading, rotate the rotary blade 32 of certain hour to 300rpm with 100 μm, by the motion of the alloy steel ball 31 of high strength, be clipped in metal dust between ball with ball according to conflicting and rubbing and plastic deformation, thus metal dust becomes the alloy 40 mechanically mixed in heterogeneity.
Fig. 3 illustrates by Mechanical Alloying of the present invention and the figure of the tissue of the Cu-Ag alloy of alloying, Cu powder 10 and Ag powder 20 alloying are mechanically manufactured the Cu-Ag alloy powder of the mixed distribution possessing homogeneous, thus the material of thermal diffusivity excellence can be manufactured.
In addition, described Cu powder and Ag powder can be coordinated and alloying with the weight ratio of 98:2 to 99.5:0.5, manufacture described Cu-Ag alloy powder thus.In order to possess excellent heat dispersion, the Cu (thermal conductivity: 380W/mk) of thermal conductivity is the most excellent in a metal Ag (thermal conductivity: 415W/mk) and next excellence can be utilized and manufacture Cu-Ag alloy heat-sink structure.By Mechanical Alloying, Cu and Ag metal is caused the hybrid alloys of homogeneous, Cu and Ag thermal conduction characteristic is separately maximized and improves heat dispersion.
In addition, can Mechanical Alloying be passed through, Cu powder and Al powder are manufactured described Cu-Al alloy powder with the cooperation of the weight ratio of 2:8 to 8:2, to make to possess the heat dispersion being suitable for the excellence that LED illumination lamp exports.Can produce and combine the light of Al (thermal conductivity: 237W/mk) and the Cu-Al alloy of the advantage of the higher thermal conductivity characteristic of the advantage of mechanical strength property excellence and Cu (thermal conductivity: 380W/mk).
The thermal conductivity of Cu metal is than the excellent thermal conductivity of Al metal, and therefore the ratio of all the more large Cu metal mixes, and the thermal conductivity of Cu-Al alloy is more excellent.But Al metal and Cu Metal Phase ratio, price is very cheap, and weight is only about 1/3 of copper.The amount of the Cu metal in Cu-Al alloy is more increased in, the problem that the efficiency that more there is the manufacture of heat-radiating structure because of the weight of higher Master Cost and Cu metal declines in order to improve thermal conductivity.
Fig. 4 is the photo of the tissue of the Cu-Al alloy manufactured by Mechanical Alloying of the present invention, carry out plastic deformation by Mechanical Alloying and the alloy powder of 20 ~ 80 percentage by weights of more than solid solution boundary can be obtained, therefore can freely design the alloy material being suitable for purposes.
In addition, rapid solidification method can be utilized to manufacture Cu-Ag alloy powder or Cu-Al alloy powder.The flash set technology cooled fast by adding the high medium of pyroconductivity in the metal of the molten condition of high temperature and alloying.Because metal solid solubility is each other very low, therefore in the solid state can not alloying, the therefore water of inject high pressure or gas and make them bump against in the free-falling liquid metal of the liquid condition of melting, thus by the liquid phase rapid solidification of particulate.That is, by metal forcibly solid solution alloy turn to thermodynamically unsure state.Particularly, carry out alloying powder by gas atomization method (gas atomization), by the metal of molten condition rapid solidification and form the tissue of homogeneous effectively.
Described low-density preparation forming step S20 is the step of the preparation formed body of clavate shape by manufactured described mechanical alloy powder compacting.In reducibility gas atmosphere, carry out reproducibility heat treatment to preparing formed body shaping, shaping by double-deck compacting shape machine 50.
Fig. 5 illustrates the figure to the shaping compacting shape machine of low-density preparation formed body of the present invention, utilize mould 52, by double-deck compacting shape machine 50, the alloy powder 40 mixed in heterogeneity is shaped to the low-density preparation formed body of the clavate shape possessing suitable diameter and size by Mechanical Alloying.Double-deck compacting shape machine 50 tool has the following advantages: on the top of mould 52, bottom possesses top punching 51 and bottom punching 53, also possesses spring 54, also preparation formed body can be shaped to the density of homogeneous at any position between mould 52 and bottom punching 53.
Described high density forming step S30 is the step described preparation formed body being shaped to radiator structure shape, carry out extruding or punching press forging processing, thus the crystalline structure being shaped to mechanical alloy possesses the heat-radiating structure of anisotropy in order to increase thermal conductivity.Use and design and the mould manufactured and at normal temperatures extrusion process or punching press are carried out to the preparation formed body of clavate shape and forge and process, thus the heavy alloy heat-radiating structure of shaping more than 99%.
According to machine direction, crystalline structure possesses anisotropy, therefore can regulate the size of thermal conductivity according to crystallization direction.Time below recrystallization temperature, the plastic deformation by extruding or punching press forging processing, thus prevent the oxidational losses of material, thus material unaccounted-for (MUF) is minimized, reduce manufacturing cost.
Described deposition coating step S40 is on described heat-radiating structure, is carried out the step of deposition by diamond-like carbon film, to form the mode deposition diamond-like carbon film of film thickness of 10 to 30 μm, to make increase thermal conductivity.The diamond (thermal conductivity: 2,000W/mk) that deposition thermal conductivity is the most excellent on shaping heat-radiating structure, thus greatly can improve radiating efficiency.
Heat-radiating structure of the present invention obtains according to the Cu-Ag powder of Mechanical Alloying manufacture or the radiator structure manufacturing method of Cu-Al powder by make use of, and can be used in LED illumination with the shape of heat sink.Heat-radiating structure not only can be used for LED illumination, but also can be used as and absorb heat from the electronic unit of semiconductor device, solar power generation etc. or element and be released to outside heat sink and use.The heat-radiating structure manufactured by the heat sink material of excellent thermal conductivity, in the use of electrical equipment, electronic product, can suppress high temperature exothermic.
[embodiment 1]
Prepare the Cu metal dust of 98% to 99.5% and the Ag metal dust of 0.5% to 2%.In the chamber 30 of mechanical alloy gasifying device, the mode with occupy chamber 30 internal volume about 60% puts into the high-strength alloy steel ball 31 that diameter is 12 ㎜, then puts into Cu and the Ag metal dust of 30% of chamber 30 internal volume.Then, when with in 100rpm to 300rpm degree rotating drum 30 during rotary blade 32, according to conflicting and friction between ball 31 with ball 31, be clipped in the plastic deformation of powders between ball with ball and carry out mixing and attachment of homogeneous repeatedly, thus the Cu-Ag alloy powder of mechanically alloying.After manufactured Cu-Ag alloy powder is shaped to low-density preparation formed body, high density is shaped to radiator structure shape.
Table 1 detects the engineering properties of heat-radiating structure and the value of physical property that manufacture according to embodiment 1.
[table 1]
| Engineering properties | Detected value | Physical property | Detected value |
| Tension stress | 23～27kg/mm 2 | Thermal conductivity | 403.5W/mk |
| Percentage elongation | 42～52％ | Thermal coefficient of expansion | 16.5х10 -6m/mk |
| Brinell hardness | 36～43 |
Thermal conductivity detected value on manufactured heat-radiating structure after deposition diamond-like carbon film is 407.5W/mk.
Pass through Mechanical Alloying, Cu (397W/mk) powder of Ag (415W/mk) the most excellent for thermal conductivity in metal material and next excellence is fabricated to the alloy of homogeneous, and the thermal conductivity of the heat-radiating structure manufactured by deposition diamond-like carbon film after its plastic deformation processing is more than 405W/mK, it not only increases LED illumination, but also substantially increases the heating cooling effectiveness of electronic device product, element etc.
[embodiment 2]
Prepare Cu metal dust and Al powder.In the chamber 30 of mechanical alloy gasifying device, the mode with occupy chamber internal volume 40% to 50% puts into the high-strength alloy steel ball 31 that diameter is 12 ㎜, then puts into Cu and the Al metal dust of 30% of chamber internal volume.Then, when in chamber 30, when rotating rotary blade 32 with 100rpm to 300rpm, according to conflicting and friction between ball with ball 31, be clipped in the plastic deformation of powders between ball and ball and breakage, carry out mixing and the attachment of homogeneous repeatedly, thus the Cu-Al alloy powder of mechanically alloying.
After the Cu-Al alloy powder of described manufacture is fabricated to low-density preparation formed body, according to radiator structure mould, manufacture high density formed body by punching press forging processing.
Table 2 detects according to embodiment 2, the engineering properties of heat-radiating structure material manufactured by Mechanical Alloying and the value of physical property.
[table 2]
Thermal conductivity detected value on manufactured heat-radiating structure after coated diamond is 320W/mk ~ 335W/mk, can produce excellent heat-radiating structure thus.
experimental example
Here be to the weight ratio of 2:8 to 8:2 to coordinate Cu metal and Al metal, and the thermal conductivity of the heat-radiating structure material manufactured by Mechanical Alloying carries out the value that detects.
[table 3]
| Cu：Al | 2：8 | 4：6 | 6：4 | 8：2 |
| Thermal conductivity | 260W/mk | 275W/mk | 315W/mk | 330W/mk |
When mixing with the weight rate of the Cu metal being less than 20% when alloying, thermal conductivity, for being less than 260W/mk, does not possess the advantage of the heat-radiating structure as the high material of thermal conductivity.In addition, when with the weight rate alloying of the Cu metal more than 80%, because of the weight of higher Master Cost and Cu metal, the problem that the efficiency that there is the manufacture of heat-radiating structure declines.
Therefore, described Cu-Al alloy is by coordinating Cu metal and Al metal with the weight ratio of 2:8 to 8:2, produce Master Cost thus cheap, light and possess the heat-radiating structure of excellent heat dispersion, thus not only in LED illumination, but also greatly can improve the heating cooling effectiveness of electronic device product, element etc.
The present invention manufactures Cu-Ag alloy powder or Cu-Al alloy powder by Mechanical Alloying, carries out extruding or punching press forging processing and make crystalline structure possess anisotropy, thus can manufacture the high heat-radiating structure of thermal conductivity.Thus, improve the cooling effectiveness of cooling system, extend the life-span of LED illumination, energy loss is minimized.
In addition, by utilizing Mechanical Alloying and plastic deformation process technology, material unaccounted-for (MUF) is minimized, and a large amount of raw material can be guaranteed simultaneously, almost there is no fragment, reduce manufacturing cost thus, prevent the pollution of the environment.
Above, be illustrated with reference to embodiment, but in the scope in the thought of the present invention recorded in those skilled in the art's claims below not departing from and field, can be various by modifications and changes of the present invention.
Claims (10)
1. utilize a manufacture method for the LED illumination lamp heat-radiating structure of Mechanical Alloying, it is characterized in that, the method comprises the steps:
The Cu-Ag alloy powder of more than thermodynamics solid solubility or the mechanical alloy powder manufacturing step of Cu-Al alloy powder is manufactured by Mechanical Alloying;
By the low-density preparation forming step that manufactured described mechanical alloy powder compacting is the preparation formed body of clavate shape;
Described preparation formed body is shaped to the high density forming step of radiator structure shape; And
The deposition coating step of deposition diamond-like carbon film on described heat-radiating structure.
2. the manufacture method utilizing the LED illumination lamp heat-radiating structure of Mechanical Alloying according to claim 1, is characterized in that,
In described mechanical alloy powder manufacturing step, Cu powder is loaded in the chamber of mechanical alloy gasifying device with Ag powder or Cu powder with Al powder together with ball, obtains mechanical alloying powder with ball milling method plastic deformation.
3. the manufacture method utilizing the LED illumination lamp heat-radiating structure of Mechanical Alloying according to claim 2, is characterized in that,
The particle size of described Cu powder, Ag powder and Al powder is 20 μm to 200 μm.
4. the manufacture method utilizing the LED illumination lamp heat-radiating structure of Mechanical Alloying according to claim 2, is characterized in that,
Described Cu powder and Ag powder are coordinated and alloying with the weight ratio of 98:2 to 99.5:0.5.
5. the manufacture method utilizing the LED illumination lamp heat-radiating structure of Mechanical Alloying according to claim 4, is characterized in that,
Described Cu powder and Al powder are coordinated and alloying with the weight ratio of 2:8 to 8:2.
6. the manufacture method utilizing the LED illumination lamp heat-radiating structure of Mechanical Alloying according to claim 1, is characterized in that,
In described low-density forming step, under reducibility gas atmosphere, come shaping by double-deck compacting shape machine.
7. the manufacture method utilizing the LED illumination lamp heat-radiating structure of Mechanical Alloying according to claim 1, is characterized in that,
In described high density forming step, carry out extruding or punching press forging processing, the crystalline structure being shaped to alloy possesses the heat-radiating structure of anisotropy, to increase thermal conductivity.
8. the manufacture method utilizing the LED illumination lamp heat-radiating structure of Mechanical Alloying according to claim 1, is characterized in that,
In described deposition coating step, to form the mode deposition diamond-like carbon film of film thickness of 10 μm to 30 μm, to increase thermal conductivity.
9. a LED illumination lamp heat-radiating structure, is characterized in that, this LED illumination lamp heat-radiating structure is the LED illumination lamp heat-radiating structure manufactured by the manufacture method of claim 1.
10. LED illumination lamp heat-radiating structure according to claim 9, is characterized in that,
Described heat-radiating structure is heat sink shape.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
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| KR10-2014-0042890 | 2014-04-10 | ||
| KR1020140042890A KR101432640B1 (en) | 2014-04-10 | 2014-04-10 | Radiator structure using Cu/Ag alloying powder and manufacturing method thereof |
| KR10-2014-0102345 | 2014-08-08 | ||
| KR20140102345 | 2014-08-08 |
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