CN103107277A - Light source heat radiation structure - Google Patents

Light source heat radiation structure Download PDF

Info

Publication number
CN103107277A
CN103107277A CN2013100577457A CN201310057745A CN103107277A CN 103107277 A CN103107277 A CN 103107277A CN 2013100577457 A CN2013100577457 A CN 2013100577457A CN 201310057745 A CN201310057745 A CN 201310057745A CN 103107277 A CN103107277 A CN 103107277A
Authority
CN
China
Prior art keywords
heat
light source
layout
radiation
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013100577457A
Other languages
Chinese (zh)
Other versions
CN103107277B (en
Inventor
周焕球
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN103107277A publication Critical patent/CN103107277A/en
Application granted granted Critical
Publication of CN103107277B publication Critical patent/CN103107277B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0201Thermal arrangements, e.g. for cooling, heating or preventing overheating
    • H05K1/0203Cooling of mounted components
    • H05K1/0209External configuration of printed circuit board adapted for heat dissipation, e.g. lay-out of conductors, coatings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/18Printed circuits structurally associated with non-printed electric components
    • H05K1/181Printed circuits structurally associated with non-printed electric components associated with surface mounted components
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007Types of components
    • H05K2201/10106Light emitting diode [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention relates to a light source heat dissipation structure. The light source heat dissipation structure comprises a light source, a heat dissipation substrate and a heat dissipation substrate, wherein the light source is provided with an electrical contact and a heat dissipation contact; a layout layer formed on one side of the heat dissipation substrate, the layout layer having an electrical layout circuit and a heat dissipation layout circuit, the electrical layout circuit being connected to the electrical contact, the heat dissipation layout circuit being connected to the heat dissipation contact, wherein no electrical connection is formed between the electrical layout circuit and the heat dissipation layout circuit; and a heat dissipation diffusion layer formed on the heat dissipation layout circuit, the heat dissipation diffusion layer having a thickness. The invention not only can reduce the waste of the copper foil in the layout etching process, but also can accelerate the removal of heat energy by increasing the heat dissipation sectional area for dissipating heat energy.

Description

Light source radiation structure
Technical field
The present invention relates to a kind of light source radiation structure, referring to especially a kind ofly provides the high heat energy that light source produces to distribute rapidly, and reaches the light source radiation structure of the useful life of keeping this light source and the optical attenuation that reduces this light source.
Background technology
In prior art, because light-emitting diode has advantages of high useful life, light-emitting diode has replaced old traditional light sources such as osram lamp, in order to reach the effect of carbon reduction.
Yet in the process that drives light-emitting diode, light-emitting diode can produce high heat energy, and this heat energy has influence on light-emitting diode useful life except meeting, more can have influence on luminous efficient, makes this light-emitting diode have the generation of light decay phenomenon.
For solving above-mentioned defective, the radiator structure of the heat energy that this light-emitting diode of many eliminatings produces has been proposed in traditional method, but above-mentioned radiator structure only can allow the light-emitting diode of lower-wattage obtain better heat radiation, if use high-power light-emitting diode, have still to have traditional defective.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of light source radiation structure, to increase the heat radiation sectional area, reaches the effect of dispelling the heat rapidly in order to the heat energy that light source produces to be provided; Also can be side by side form electrical layout circuit and radiating layout circuit on the layout layer, in order to the waste of minimizing Copper Foil in layout etching process for example; Also can utilize the heat-radiation coating coating to be covered in heat-radiating substrate and layout layer, in order to reach the eliminating of accelerating this heat energy; Also can side by side apply in two sides of heat-radiating substrate this heat-radiation coating coating, use so that this heat energy can be conducted to by this heat-radiation coating coating the outside of this light source radiation structure.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of light source radiation structure comprises light source, and described light source has electrical contact and heat radiation contact, and described light source radiation structure comprises:
Heat-radiating substrate;
The layout layer, be formed on a side of described heat-radiating substrate, described layout layer has electrical layout circuit and radiating layout circuit, described electrical layout circuit is for being connected with described electrical contact, described radiating layout circuit wherein forms electric connection for being connected with described heat radiation contact between described electrical layout circuit and described radiating layout circuit; And
The heat radiation diffusion layer is formed on described radiating layout circuit, and described heat radiation diffusion layer has thickness, in order to increase the heat radiation sectional area of this radiating layout circuit;
Wherein the heat energy of light source generation is to see through described layout layer, heat radiation diffusion layer and this heat-radiating substrate to be dispersed into simultaneously in air and the outside that is distributed to this light source radiation structure.
Further, for intercepting the electrical conduction between this heat-radiating substrate and this layout layer, more comprise insulating barrier, described insulating barrier is formed between heat-radiating substrate and layout layer.
Further, for accelerating the conduction of heat energy, more comprise the heat-radiation coating coating, described heat-radiation coating coating is formed on the surface of a side of layout layer and heat radiation diffusion layer, and described heat-radiation coating coating coats the layout layer and heat radiation diffusion layer of at least one part.
Described heat-radiation coating coating can also be formed on the surface of the opposite side of heat-radiating substrate.
Further, described heat-radiation coating coating material therefor is high heat radiation coating or heat loss through radiation coating.
Further, distribute the area of this heat energy for increase, described radiating layout configuration becomes to have the heat dissipation region of certain area.
Further, described electrical layout circuit comprises anodal circuit and negative pole circuit, and the electrical contact of described light source comprises positive terminal and negative pole end, and wherein anodal circuit is connected with the positive terminal of electrical contact, and the negative pole circuit is connected with the negative pole end of electrical contact.
Further, when the negative pole end of electrical contact was connected with the heat radiation contact, negative pole end and the radiating layout connection of electrical contact crossed by negative line Reuter.
Further, in order to speed radiating rate, more comprise hole, described hole is formed on heat-radiating substrate and insulating barrier.
Described hole is at least a in air-vent, wire hole and fixing hole.
Further, the material of described heat radiation diffusion layer and heat-radiating substrate be have high thermal conductivity coefficient metal and nonmetal at least a.
Further, described heat radiation diffusion layer material be tin, silver and copper at least a; The material of described heat radiation diffusion layer is at least a in carbon element, carbonado and pottery.
Further, more comprising can accommodating described heat-radiating substrate, the housing (28) of layout layer and heat radiation diffusion layer.
A kind of light source radiation structure comprises single or plural light source, and described light source has respectively electrical contact and heat radiation contact, and this light source radiation structure comprises:
Heat-radiating substrate;
The layout layer, be formed on a side of heat-radiating substrate, described layout layer has electrical layout circuit and plural radiating layout circuit, described radiating layout circuit forms plural heat dissipation region, described electrical layout circuit is connected with electrical contact, described heat dissipation region is for being connected with the heat radiation contact of each light source, and wherein each heat dissipation region does not form each other and is electrically connected; And
The heat radiation diffusion layer is formed on each heat dissipation region, and described heat radiation diffusion layer has a thickness.
Further, more comprise insulating barrier, described insulating barrier is formed between heat-radiating substrate and layout layer, in order to intercept the electrical conduction between described heat-radiating substrate and layout layer.
 
The present invention has following beneficial effect:
(1) the present invention except layout on heat-radiating substrate for should light source power required electrical layout circuit, the discarded layout of not using beyond this electrical layout circuit in prior art is partly re-started layout to form the radiating layout circuit, and this layout is used for this heat energy of guiding, the path of distributing this heat energy in order to increase.
(2) the present invention forms again the heat radiation diffusion layer with thickness on the radiating layout circuit, can increase the heat radiation sectional area that distributes heat energy.
(3) the present invention also has the heat-radiation coating coating, in order to rapidly heat energy is distributed, may reduce heat energy to the impact of light source, and then keep light source original useful life, and avoid heat energy to cause the luminous efficiency (or claim to reduce luminous efficiency decay) of light source.
Description of drawings
Accompanying drawing 1 is the schematic layout pattern of the embodiment of the present invention one light source radiation structure.
Accompanying drawing 2 is the side schematic view of light source radiation structure in accompanying drawing 1.
Accompanying drawing 3 is the schematic layout pattern of the embodiment of the present invention two light source radiation structures.
Accompanying drawing 4 is the side schematic view of light source radiation structure in accompanying drawing 3.
Accompanying drawing 5 is the schematic layout pattern of the embodiment of the present invention three light source radiation structures.
 
Embodiment
For the ease of it will be appreciated by those skilled in the art that below in conjunction with accompanying drawing and embodiment, the present invention is explained in further detail.
Embodiment 1
Fig. 1 is the schematic layout pattern of the embodiment of the present invention 1 light source radiation structure.The heat energy that produces when as shown in Figure 1, this light source radiation structure 10 can be luminous to light source 2 (for example light-emitting diode) dispels the heat.Wherein, the bottom of this light source 2 generally has positive terminal 222 and negative pole end 224 electrical contact 22 of one at least, and heat radiation contact 24.This electrical contact 22 can obtain to drive this light source 2 from transformer, civil power, primary cell or secondary cell and carry out luminous required supply power supply PW.In an other embodiment, the negative pole end 224 of this light source 2 might replace this heat radiation contact 24, makes this light source that positive terminal 222 and negative pole end 224 only be arranged.
This light source radiation structure 10 comprises heat-radiating substrate 12, layout layer 14 and heat radiation diffusion layer 16.
Wherein, this heat-radiating substrate 12 has two sides, and the material of this heat-radiating substrate 12 can be metal with high thermal conductivity coefficient and nonmetal at least a.For example, the material of this heat-radiating substrate 12 is the metal materials such as aluminium or copper, also can be the nonmetallic materials such as carbon element and pottery.
This layout layer 14 is formed on a wherein side of this heat-radiating substrate 12.This layout layer 14 has electrical layout circuit 142 and radiating layout circuit 144.Wherein, an end of this electrical layout circuit 142 is used for being connected with this electrical contact 22, and the other end of this electrical layout circuit 142 is used for receiving this supply power supply PW; This radiating layout circuit 144 is used for being connected with this heat radiation contact 24.
In the present embodiment, form electric connection between this electrical layout circuit 142 and this radiating layout circuit 144, this supply power supply PW that namely is positioned at this electrical layout circuit 142 can not be passed to this radiating layout circuit 144, and both layout circuits are independently.Moreover in the present embodiment, this radiating layout circuit 144 hot side that to be the layout heat dissipation region that becomes to have certain area distribute this heat energy with increase is long-pending.
In addition, this electrical layout circuit 142 and this radiating layout circuit 144 be by in advance in the enterprising line of for example copper foil circuit board road layout, and form the layout circuit after chemical etching.Compared to layout type of the prior art, can reduce significantly the area of etched Copper Foil, and then reach that can effectively utilize originally in the prior art can the etched and discarded Copper Foil that uses.
Moreover in the present embodiment, this electrical layout circuit 142 more comprises anodal circuit 1422 and negative pole circuit 1424.This positive pole circuit 1422 is connected to the positive terminal 222 of this electrical contact 22, and this negative pole circuit 1424 is connected to the negative pole end 224 of this electrical contact 22.
This heat radiation diffusion layer 16 is formed on this radiating layout circuit 14.Wherein, this heat radiation diffusion layer 16 has a thickness d, in order to increase the heat radiation sectional area of this radiating layout circuit 144, can be in the lump with reference to figure 2, and Fig. 2 is the side schematic view of this light source radiation structure 10 in Fig. 1.Wherein, the material of this heat radiation diffusion layer 16 is also for having the metal of high thermal conductivity coefficient and nonmetallic at least a, for example the material of this heat radiation diffusion layer 16 can be high conduction heat energy material, metal materials such as tin, silver and copper, or the nonmetallic materials such as carbon element, carbonado and Tao Ci.
Light source radiation structure 10 of the present invention, can make heat energy see through the outside that layout layer 14, heat radiation diffusion layer 16 and heat-radiating substrate 12 are distributed to light source radiation structure 10, in order to reduce heat energy to the impact of light source 2, not only can keep the luminescent lifetime of light source 2, also can reduce the decay of light source.
 
Embodiment 2
Fig. 3 is the schematic layout pattern of the embodiment of the present invention 2 light source radiation structures.In Fig. 3, the heat energy that this light source radiation structure 10 ' produces in the time of equally can be luminous to light source 2 dispels the heat, and this light source radiation structure 10 ' heat-radiating substrate 12, layout layer 14 and this heat radiation diffusion layer 16 in comprising embodiment 1, also comprise insulating barrier 18, heat-radiation coating coating 20 and hole 26.
Wherein, insulating barrier 18 is formed between heat-radiating substrate 12 and layout layer 14, in order to intercept the electrical conduction between heat-radiating substrate 12 and layout layer 14.It should be noted that this insulating barrier 18 is not the part for necessity.This heat-radiating substrate 12 for example, if when this heat-radiating substrate 12 is non-metallic material, do not need this insulating barrier 18, because itself can reach the effect of electrically conducting as this insulator separation very much.
Heat-radiation coating coating 20 is formed on layout layer 14 with the surperficial of heat radiation diffusion layer 16 and coats the layout layer 14 of at least one part and the diffusion layer 16 that dispels the heat, and is used for making heat energy to conduct to heat-radiation coating coating 20 from its one at least of dispel the heat diffusion layer 16 and layout layer 14.In an other embodiment, this heat-radiation coating coating 20 also can be formed on the surface of the opposite side of this heat-radiating substrate 12, makes this heat energy to see through heat-radiating substrate 12 again and distributes.
Hole 26 is formed on heat-radiating substrate 12 and insulating barrier 18, and with so that heat energy dispels the heat from hole 26, hole 26 can be at least a in air-vent, wire hole and fixing hole.
With reference to figure 4, Fig. 4 is the side schematic view of this light source radiation structure 10 ' in Fig. 3 in the lump.
Again in an other embodiment, in the lump can be with reference to the 5th figure, this light source radiation structure 10 ' more can comprise housing 28, housing 28 forms a holding space for holding heat-radiating substrate 12, layout layer 14 and heat radiation diffusion layer 16, the heat energy that distributes in order to get rid of heat-radiating substrate 12, layout layer 14 and the diffusion layer 16 that dispels the heat.
Therefore light source radiation structure of the present invention can be got rid of the heat energy of light source rapidly.Wherein, this structure except layout on heat-radiating substrate for should light source power required electrical layout circuit, the discarded layout of not using beyond this electrical layout circuit in prior art is partly re-started layout to form the radiating layout circuit, and this layout is used for this heat energy of guiding, the path of distributing this heat energy in order to increase.
In addition, form again the heat radiation diffusion layer with thickness on the radiating layout circuit, distribute the heat radiation sectional area of heat energy in order to increase.
Moreover, this structure more can be coated on the heat-radiation coating coating layout layer, and a side of this heat-radiating substrate or two sides, in order to rapidly heat energy is distributed, and can reduce heat energy to the impact of light source, and then keep light source original useful life, and avoid heat energy to cause the luminous efficiency (or claim to reduce luminous efficiency decay) of light source.
Above-described embodiment is only better execution mode of the present invention, and in addition, the present invention can also have other implementations.That is to say, under the prerequisite that does not break away from inventive concept of the present invention, within any apparent replacement all should fall into protection scope of the present invention.

Claims (15)

1. a light source radiation structure, comprise light source (2), and described light source has electrical contact (22) and heat radiation contact (24), and described light source radiation structure comprises:
Heat-radiating substrate (12);
Layout layer (14), be formed on a side of described heat-radiating substrate, described layout layer has electrical layout circuit (142) and radiating layout circuit (144), described electrical layout circuit is for being connected with described electrical contact, described radiating layout circuit wherein forms electric connection for being connected with described heat radiation contact between described electrical layout circuit and described radiating layout circuit; And
Heat radiation diffusion layer (16) is formed on described radiating layout circuit, and described heat radiation diffusion layer has thickness in order to increase the heat radiation sectional area of this radiating layout circuit;
Wherein the heat energy of light source generation is to see through described layout layer, heat radiation diffusion layer and this heat-radiating substrate to be dispersed into simultaneously in air and the outside that is distributed to this light source radiation structure.
2. light source radiation structure according to claim 1, it is characterized in that: more comprise insulating barrier (18), described insulating barrier is formed between heat-radiating substrate and layout layer in order to intercept the electrical conduction between described heat-radiating substrate and layout layer.
3. light source radiation structure according to claim 1, it is characterized in that: more comprise heat-radiation coating coating (20), described heat-radiation coating coating is formed on the surface of a side of layout layer and heat radiation diffusion layer, and described heat-radiation coating coating coats the layout layer and heat radiation diffusion layer of at least one part.
4. light source radiation structure according to claim 1, it is characterized in that: more comprise the heat-radiation coating coating, described heat-radiation coating coating is formed on the surface of the opposite side of heat-radiating substrate.
5. according to claim 3 or 4 described light source radiation structures, it is characterized in that: described heat-radiation coating coating material therefor is high heat radiation coating or heat loss through radiation coating.
6. light source radiation structure according to claim 1 is characterized in that: described radiating layout configuration becomes heat dissipation region to increase area of dissipation.
7. light source radiation structure according to claim 1, it is characterized in that: described electrical layout circuit comprises anodal circuit (1422) and negative pole circuit (1424), the electrical contact of described light source comprises positive terminal (222) and negative pole end (224), wherein anodal circuit is connected with the positive terminal of electrical contact, and the negative pole circuit is connected with the negative pole end of electrical contact.
8. light source radiation structure according to claim 7 is characterized in that: when the negative pole end of electrical contact was connected with the heat radiation contact, negative pole end and the radiating layout connection of electrical contact crossed by negative line Reuter.
9. light source radiation structure according to claim 1, it is characterized in that: more comprise hole (26), described hole is formed on heat-radiating substrate and insulating barrier.
10. light source radiation structure according to claim 9 is characterized in that: described hole is at least a in air-vent, wire hole and fixing hole.
11. light source radiation structure according to claim 1 is characterized in that: the material of described heat radiation diffusion layer and heat-radiating substrate be have high thermal conductivity coefficient metal and nonmetal at least a.
12. light source radiation structure according to claim 11 is characterized in that: described heat radiation diffusion layer material be tin, silver and copper at least a; The material of described heat radiation diffusion layer is at least a in carbon element, carbonado and pottery.
13. light source radiation structure according to claim 1 is characterized in that: more comprising can accommodating described heat-radiating substrate, the housing (28) of layout layer and heat radiation diffusion layer.
14. light source radiation structure according to claim 8 is characterized in that:
A kind of light source radiation structure comprises single or plural light source, and described light source has respectively electrical contact and heat radiation contact, and this light source radiation structure comprises:
Heat-radiating substrate;
The layout layer, be formed on a side of heat-radiating substrate, described layout layer has electrical layout circuit and plural radiating layout circuit, described radiating layout circuit forms plural heat dissipation region, described electrical layout circuit is connected with electrical contact, described heat dissipation region is for being connected with the heat radiation contact of each light source, and wherein each heat dissipation region does not form each other and is electrically connected; And
The heat radiation diffusion layer is formed on each heat dissipation region, and described heat radiation diffusion layer has a thickness.
15. light source radiation structure according to claim 14 is characterized in that: more comprise insulating barrier, described insulating barrier is formed between heat-radiating substrate and layout layer, in order to intercept the electrical conduction between described heat-radiating substrate and layout layer.
CN201310057745.7A 2012-08-17 2013-02-25 Light source heat radiation structure Expired - Fee Related CN103107277B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW101129833 2012-08-17
TW101129833A TW201408934A (en) 2012-08-17 2012-08-17 Heat radiating structure of light source

Publications (2)

Publication Number Publication Date
CN103107277A true CN103107277A (en) 2013-05-15
CN103107277B CN103107277B (en) 2016-05-25

Family

ID=48314977

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310057745.7A Expired - Fee Related CN103107277B (en) 2012-08-17 2013-02-25 Light source heat radiation structure

Country Status (2)

Country Link
CN (1) CN103107277B (en)
TW (1) TW201408934A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060267183A1 (en) * 2005-04-22 2006-11-30 International Rectifier Corporation Use of solder paste for heat dissipation
CN101707234A (en) * 2009-11-18 2010-05-12 珠海晟源同泰电子有限公司 LED luminescence module and manufacture method thereof
CN101709858A (en) * 2009-09-27 2010-05-19 广州南科集成电子有限公司 LED lighting high-efficiency heat-radiating aluminum baseplate, LED light source and making methods thereof
CN102130018A (en) * 2010-12-08 2011-07-20 华为终端有限公司 Chip radiation method, and related device and system
CN102315364A (en) * 2010-07-01 2012-01-11 日立电线株式会社 LED module, LED package, and wiring substrate and method of making same
CN102544342A (en) * 2011-12-09 2012-07-04 陕西科技大学 Heat radiator and electrode integrated heat radiating device and manufacturing method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060267183A1 (en) * 2005-04-22 2006-11-30 International Rectifier Corporation Use of solder paste for heat dissipation
CN101709858A (en) * 2009-09-27 2010-05-19 广州南科集成电子有限公司 LED lighting high-efficiency heat-radiating aluminum baseplate, LED light source and making methods thereof
CN101707234A (en) * 2009-11-18 2010-05-12 珠海晟源同泰电子有限公司 LED luminescence module and manufacture method thereof
CN102315364A (en) * 2010-07-01 2012-01-11 日立电线株式会社 LED module, LED package, and wiring substrate and method of making same
CN102130018A (en) * 2010-12-08 2011-07-20 华为终端有限公司 Chip radiation method, and related device and system
CN102544342A (en) * 2011-12-09 2012-07-04 陕西科技大学 Heat radiator and electrode integrated heat radiating device and manufacturing method thereof

Also Published As

Publication number Publication date
TW201408934A (en) 2014-03-01
CN103107277B (en) 2016-05-25

Similar Documents

Publication Publication Date Title
KR101372987B1 (en) Planar light emitting device
CN101888740B (en) Convex metal printed circuit board and manufacturing method thereof
JP2005101658A (en) Light emitting device having highly efficient heat dissipation structure
KR101246887B1 (en) Light for broadcast
CN105333407A (en) Heat dissipation structure and manufacturing method
JP2011096594A (en) Bulb type led lamp
CN103974598A (en) Circuit board
WO2014115986A1 (en) Electrode module for led lamp
EP3101332A1 (en) Novel led lighting apparatus
KR101257900B1 (en) Heatsink that motive convection current flowing
KR101875499B1 (en) Metal printed circuit board enhancing radiation of heat for outdoor led lighting
JP2010135126A (en) Led lighting device
KR20170030181A (en) LED module having heat property construction
CN103107277B (en) Light source heat radiation structure
TWI769090B (en) Light source module
TW200828617A (en) LED assembly and method of fabrication
CN201992605U (en) Heat sink for high-power LED (light-emitting diode) lamps
KR102622355B1 (en) Board for LED lighting apparatus and LED lighting apparatus having the same
KR20120063453A (en) Metal pcb, led module and led device
KR102638854B1 (en) Board for LED lighting apparatus and LED lighting apparatus having the same
CN219536379U (en) Heat dissipation structure of circuit board
KR101469215B1 (en) Led module for skin treatment
CN203298237U (en) High-efficiency heat dissipating power-supply-integrated LED (light emitting diode) light source module
CN103277692A (en) LED lamp with needle-shaped radiator bodies
CN202534696U (en) Heat dissipation substrate of LED light source

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160525

Termination date: 20180225