CN101368694A - LED module - Google Patents

LED module Download PDF

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Publication number
CN101368694A
CN101368694A CNA200710135768XA CN200710135768A CN101368694A CN 101368694 A CN101368694 A CN 101368694A CN A200710135768X A CNA200710135768X A CN A200710135768XA CN 200710135768 A CN200710135768 A CN 200710135768A CN 101368694 A CN101368694 A CN 101368694A
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CN
China
Prior art keywords
light
mentioned
emitting diode
led
module according
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Pending
Application number
CNA200710135768XA
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Chinese (zh)
Inventor
杨景福
沈志华
曾立伟
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HUAXIN PRECISION CO Ltd
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HUAXIN PRECISION CO Ltd
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.)
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Application filed by HUAXIN PRECISION CO Ltd filed Critical HUAXIN PRECISION CO Ltd
Priority to CNA200710135768XA priority Critical patent/CN101368694A/en
Publication of CN101368694A publication Critical patent/CN101368694A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a LED module which comprises a base, a LED element, a pressed piece and a plurality of screws. The base is provided with a concave containing space; the containing space is provided with a side wall; the LED element is provided with an outer edge; the LED is positioned in the containing space; the outer edge of the LED is contacted with the side wall of the containing space. A pin of the LED element is positioned between the pressed piece and the base; the screws can lock the pressed piece on the base.

Description

Light-emitting diode (LED) module
Technical field
The present invention relates to a kind of light-emitting diode (LED) module, and relate in particular to a kind of location structure of light-emitting diode (LED) module.
Background technology
Light emitting diode (Light Emitting Diode; LED) be a kind of small solid-state (Solid-State) light source, have advantages such as volume is little, vibration strength is good, power saving, the life-span is long, color is various concurrently, and can cooperate various emerging application demands, become the light source that is seen everywhere in the daily life.The gradually good and price reduction along with luminous efficiency lifting gradually, color rendering and the colour temperature performance of light emitting diode, it is broad that the illumination application of light emitting diode will more become.
Because light emitting diode utilizes low-voltage, low current starting, so its power consumption is little, can save the energy.And the vibration strength height of light emitting diode, can be in high-frequency operation, the recyclable environmental protection characteristic that has concurrently of discarded object after the damage, but and light emitting diode planar package and can be developed into compact product, based on above advantage, light emitting diode is had an optimistic view of by industry, can become big potentiality commodity that substitute the traditional lighting utensil.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of light-emitting diode (LED) module, the influence of tolerance when assembling in order to reduce light-emitting diode (LED) module.
According to a preferred embodiment of the present invention, a kind of light-emitting diode (LED) module is proposed, comprise a pedestal, a light-emitting diode, a rolled-up stock, with a plurality of screws.Pedestal has an accommodation space of depression, and accommodation space has a sidewall.Light-emitting diode has an outer rim, and light emitting diode is arranged in accommodation space, and wherein, the outer rim of light emitting diode contacts with the sidewall of accommodation space.One pin of light-emitting diode is between rolled-up stock and pedestal, and screw can pass pedestal and rolled-up stock, with the locking rolled-up stock in pedestal.
Pedestal of the present invention can be a metallic core printed circuit board (PCB) (metal core printed circuit board; MCPCB), rolled-up stock can be a shell fragment.Wherein pedestal can be a cooling base, and rolled-up stock can be a printed circuit board (PCB).The material of cooling base can be a highly heat-conductive material.The profile of the sidewall of accommodation space can be identical or different with the profile of the outer rim of light emitting diode element.Rolled-up stock has an opening, is beneficial to make a light-emitting area of light-emitting diode to expose outside by opening.Light-emitting diode (LED) module can also comprise a heat pipe, and the pedestal of accommodation space below has a passage, and an end of heat pipe can be arranged in the passage.Wherein light-emitting diode (LED) module can also comprise a shell fragment, shrapnel device in passage, with utilize shell fragment fixedly heat pipe in passage.
Light-emitting diode (LED) module can also comprise a plurality of radiating fins, is arranged at the other end of heat pipe with respect to pedestal.Accommodation space can be a ditch shape groove, and an end of heat pipe can be arranged at ditch shape groove, and light-emitting diode can be between heat pipe and rolled-up stock.Light-emitting diode (LED) module can also comprise a reflecting element, and reflecting element utilizes screw to be fixed in pedestal.Pedestal can also have a pin groove that links to each other with accommodation space, and the pin of light-emitting diode can be positioned in the pin groove, and wherein the degree of depth of pin groove preferably is the degree of depth less than accommodation space.Can also be coated with a thermal grease in the accommodation space.
Light-emitting diode (LED) module of the present invention can utilize the sidewall of accommodation space of the outer rim contact pedestal of light-emitting diode, with the restriction light-emitting diode in the displacement of XY direction.Light-emitting diode (LED) module can utilize screw and rolled-up stock that light-emitting diode is fixed on the pedestal, has limited the displacement of light-emitting diode in the Z direction.Because reflecting element, rolled-up stock can utilize same group of screw locking with pedestal, the influence of cumulative limit in the time of so can reducing the light-emitting diode (LED) module assembling.Light-emitting diode can directly contact with pedestal or heat pipe, makes thermally conductive pathways shorten, and reduces thermal resistance, and helps the heat radiation of light-emitting diode.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, being described in detail as follows of appended accompanying drawing:
Be respectively the three-dimensional view and the exploded view of light-emitting diode (LED) module one preferred embodiment of the present invention shown in Figure 1A and Figure 1B;
Figure 2 shows that the exploded view of another preferred embodiment of light-emitting diode (LED) module of the present invention;
Figure 3 shows that the exploded view of the another preferred embodiment of light-emitting diode (LED) module of the present invention;
Figure 4 shows that the light-emitting diode (LED) module of the present invention exploded view of a preferred embodiment again.
Wherein, Reference numeral:
100: light-emitting diode (LED) module 110: pedestal
112: accommodation space 114: sidewall
116: pin groove 120: light-emitting diode
122: outer rim 124: pin
130: rolled-up stock 132: solder joint
134: opening 140: screw
The specific embodiment
Below will clearly demonstrate spirit of the present invention with accompanying drawing and detailed description, any those skilled in the art after understanding preferred embodiment of the present invention, when can be by the technology of teachings of the present invention, change and modification, it does not break away from spirit of the present invention and scope.
With reference to Figure 1A and Figure 1B, it is respectively the three-dimensional view and the exploded view of light-emitting diode (LED) module one preferred embodiment of the present invention.Light-emitting diode (LED) module 100 includes a pedestal 110, a light-emitting diode 120, a rolled-up stock 130, with screw 140.Pedestal 110 has an accommodation space 112 of depression, and accommodation space 112 has a sidewall 114.Light-emitting diode 120 has an outer rim 122, light-emitting diode 120 is positioned among the accommodation space 112, and the outer rim 122 of light-emitting diode 120 contacts with the sidewall 114 of accommodation space 112, with the displacement of the XY direction of restriction light-emitting diode 120 in accommodation space 112.
Light-emitting diode 120 has a pin 124, pedestal 110 can have a pin groove 116, the degree of depth of pin groove 116 is preferably the degree of depth less than accommodation space 112, to form as stair-stepping setting, wherein, light-emitting diode 120 can place accommodation space 112, and 124 of pins are positioned in the pin groove 116.Accommodation space 112 can also be coated with a thermal grease, and the heat that light-emitting diode 120 is produced can see through pedestal 110 dissipations.
In addition, the profile of the sidewall 114 of accommodation space 112 can be identical or different with the profile of the outer rim 122 of light-emitting diode 120.Profile as the sidewall 114 of accommodation space 112 can be square simultaneously, shown in Figure 1B.In addition, when the profile of the sidewall 114 of accommodation space 112 is square, the outer rim 122 of light-emitting diode 120 can be circle, as long as make the outer rim 122 of light-emitting diode 120 have at least three to four points to contact, can locate light-emitting diode 120 effectively in the accommodation space 112 of pedestal 110 with the sidewall 114 of accommodation space 112.
After the combination, the pin 124 of light-emitting diode 120 contacts with the bottom surface of rolled-up stock 130, pin 124 is between rolled-up stock 130 and pedestal 110, can utilize this moment screw 140 to pass pedestal 110 and rolled-up stock 130, with sealed pedestal 110, light-emitting diode 120 and rolled-up stock 130, so as to limiting light-emitting diode 120 in the displacement of Z direction.Rolled-up stock 130 has an opening 134, so that the light-emitting area of light-emitting diode 120 is exposed to opening 134.
In the present embodiment, pedestal 110 can be a cooling base, and rolled-up stock 130 can be a printed circuit board (PCB) (printed circuit board; PCB), the material of cooling base can be highly heat-conductive material, as metal material, ceramic material, or macromolecular material, wherein, metal material can be copper or aluminium.The bottom surface of the printed circuit board (PCB) of rolled-up stock 130 can have solder joint 132, and pin 124 contacts with solder joint 132.In other embodiments, pedestal 110 also can be a metallic core printed circuit board (PCB) (metal core printed circuitboard; MCPCB), 130 of rolled-up stocks can be a shell fragment.The material of the metal part of metallic core printed circuit board (PCB) can be copper or aluminium.
With reference to Fig. 2, it is depicted as the exploded view of another preferred embodiment of light-emitting diode (LED) module of the present invention.Light-emitting diode (LED) module 200 includes pedestal 210, be arranged at light-emitting diode 220 in the accommodation space 212 of pedestal 210, in order to the rolled-up stock 230 of compacting light-emitting diode 220 on pedestal 210, and in order to the screw 240 of sealed rolled-up stock 230 with pedestal 210.In the light-emitting diode (LED) module 200, pedestal 210 can have a passage 218, and passage 218 is positioned at the below of accommodation space 212 with respect to light-emitting diode 220.Light-emitting diode (LED) module 200 can also comprise a heat pipe 250, and an end 252 of heat pipe 250 is arranged among the passage 218.Light-emitting diode (LED) module 200 can also comprise a shell fragment 260, heat pipe 250 is fixed among the passage 218.
The end 252 that heat pipe 250 is arranged in the pedestal 210 can be flattened, and light-emitting diode (LED) module 200 can comprise a plurality of radiating fins 270, and radiating fin 270 is arranged at the other end 254 of heat pipe 250 with respect to pedestal 210.Accommodation space 212 can have a bottom, make light-emitting diode 220 directly not contact with heat pipe 250, the heat that light-emitting diode 220 is produced can directly be sent to pedestal 210, be sent to heat pipe 250 by pedestal 210 again after, heat is again via radiating fin 270 dissipations.Perhaps, accommodation space 212 can not have the bottom, make light-emitting diode 220 directly contact with heat pipe 250, be that light-emitting diode 220 can be positioned on the end 252 that heat pipe 250 flattens, at this moment, the heat that light-emitting diode 220 is produced can directly be sent to heat pipe 250, is sent to radiating fin 270 dissipations via heat pipe 250 again.
Light-emitting diode (LED) module 200 can be applicable to as the headlight structure, and at this moment, light-emitting diode (LED) module 200 can also comprise a reflecting element 280, and reflecting element 280 utilizes screw 240 to be locked on the pedestal 210 equally.After the light that light-emitting diode 220 is sent can be adjusted into needed smooth shape via reflecting element 280, penetrate from the opening that reflects element 280 again.
With reference to Fig. 3, it is depicted as the exploded view of the another preferred embodiment of light-emitting diode (LED) module of the present invention.Light-emitting diode (LED) module 300 includes pedestal 310, be arranged at light-emitting diode 320 in the accommodation space 312 of pedestal 310, in order to the rolled-up stock 330 of compacting light-emitting diode 320 on pedestal 310, and in order to the screw 340 of sealed rolled-up stock 330 with pedestal 310.Accommodation space 312 in the present embodiment can be a ditch shape groove, and the end 352 that heat pipe 350 is flattened can be arranged in the ditch shape groove of accommodation space 312.
Pedestal 310 can also include pin groove 316, and the degree of depth of pin groove 316 is preferably the degree of depth less than accommodation space 312, to form as stair-stepping setting.Light-emitting diode 320 can be positioned on the heat pipe 350.Light-emitting diode 320 still contacts with the ditch shape recess sidewall of accommodation space 312, with the displacement of restriction light emitting diode 320 left and right directions.In addition, 324 of pins are positioned among the pin groove 316, to limit the displacement of light-emitting diode 320 fore-and-aft directions whereby.
And light-emitting diode 320 can be arranged between heat pipe 350 and the rolled-up stock 330, and directly contacts with heat pipe 350.At this moment, the heat that light-emitting diode 320 is produced can directly be sent to heat pipe 350, is sent to radiating fin 370 dissipations via heat pipe 350 again.
The light-emitting diode (LED) module 300 of preferred embodiment of the present invention can also comprise a reflecting element 380, and reflecting element 380 can utilize screw 340 to be locked on the pedestal 310 equally.After the light that light-emitting diode 320 is sent can be adjusted into needed smooth shape via reflecting element 380, penetrate from the opening that reflects element 380 again.
With reference to Fig. 4, it is depicted as the light-emitting diode (LED) module of the present invention exploded view of a preferred embodiment again.Light-emitting diode (LED) module 400 includes pedestal 410, be arranged at light-emitting diode 420 in the accommodation space 412 of pedestal 410, in order to the rolled-up stock 430 of compacting light-emitting diode 420 on pedestal 410, and in order to the screw 440 of sealed rolled-up stock 430 with pedestal 410.Pedestal 410 can include a top base 411 and a bottom base 413 in the present embodiment, and has passage 418 in top base 411 and 413 of bottom bases, makes heat pipe 450 can be arranged among the pedestal 410.
In the present embodiment, light-emitting diode 420 can directly contact with heat pipe 450, be that light-emitting diode 420 can be positioned on the end 452 that heat pipe 450 flattens, at this moment, the heat that light-emitting diode 420 is produced can directly be sent to heat pipe 450, is sent to radiating fin 470 dissipations via heat pipe 450 again.Perhaps, light-emitting diode 420 can directly not contact with heat pipe 450, and the heat that light-emitting diode 420 is produced can directly be sent to pedestal 410, be sent to heat pipe 450 by pedestal 410 again after, heat is again via radiating fin 470 dissipations.
Light-emitting diode (LED) module 400 can also comprise reflecting element 480, and reflecting element 480 can utilize screw 440 to be locked on the pedestal 410 equally.After the light that light-emitting diode 420 is sent can be adjusted into needed smooth shape via reflecting element 480, penetrate from the opening that reflects element 480 again.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims (16)

1. a light-emitting diode (LED) module is characterized in that, comprises:
One pedestal, the accommodation space with depression, above-mentioned accommodation space has a sidewall;
One light-emitting diode has an outer rim, and above-mentioned light emitting diode is arranged in above-mentioned accommodation space, and the above-mentioned outer rim of above-mentioned light emitting diode contacts with the above-mentioned sidewall of above-mentioned accommodation space;
One rolled-up stock, a pin of above-mentioned light-emitting diode is between above-mentioned rolled-up stock and said base; And
A plurality of screws pass said base and above-mentioned rolled-up stock, with the above-mentioned rolled-up stock that locks in said base.
2. light-emitting diode (LED) module according to claim 1 is characterized in that, above-mentioned rolled-up stock is a shell fragment.
3. light-emitting diode (LED) module according to claim 1 is characterized in that, said base is a metallic core printed circuit board (PCB).
4. light-emitting diode (LED) module according to claim 1 is characterized in that, said base is a cooling base.
5. light-emitting diode (LED) module according to claim 4 is characterized in that, the material of above-mentioned cooling base is a Heat Conduction Material.
6. light-emitting diode (LED) module according to claim 1 is characterized in that, above-mentioned rolled-up stock is a printed circuit board (PCB).
7. light-emitting diode (LED) module according to claim 1 is characterized in that above-mentioned rolled-up stock has an opening, and a light-emitting area of above-mentioned light-emitting diode is exposed to above-mentioned opening.
8. light-emitting diode (LED) module according to claim 1 is characterized in that, also comprises a heat pipe.
9. light-emitting diode (LED) module according to claim 8 is characterized in that, also has a passage with respect to the said base below the above-mentioned accommodation space, and an end of above-mentioned heat pipe is arranged in the above-mentioned passage.
10. light-emitting diode (LED) module according to claim 9 is characterized in that above-mentioned light-emitting diode (LED) module comprises a shell fragment, is disposed in the above-mentioned passage, in order to fixing above-mentioned heat pipe in above-mentioned passage with above-mentioned shell fragment.
11. light-emitting diode (LED) module according to claim 9 is characterized in that, also comprises the other end that a plurality of radiating fins are arranged at the above-mentioned relatively passage of above-mentioned heat pipe.
12. light-emitting diode (LED) module according to claim 1, it is characterized in that, above-mentioned accommodation space is a ditch shape groove, above-mentioned light-emitting diode (LED) module also comprises a heat pipe, one end of above-mentioned heat pipe is arranged at above-mentioned ditch shape groove, above-mentioned light-emitting diode is between above-mentioned heat pipe and above-mentioned rolled-up stock, and above-mentioned light-emitting diode contacts with the sidewall of above-mentioned ditch shape groove.
13. light-emitting diode (LED) module according to claim 1 is characterized in that, above-mentioned light-emitting diode (LED) module also comprises a reflecting element, and above-mentioned reflecting element is fixed on the said base.
14. light-emitting diode (LED) module according to claim 1 is characterized in that, said base also has a pin groove that links to each other with above-mentioned accommodation space, with the above-mentioned pin of ccontaining above-mentioned light-emitting diode.
15. light-emitting diode (LED) module according to claim 1 is characterized in that, the degree of depth of above-mentioned pin groove is less than the degree of depth of above-mentioned accommodation space.
16. light-emitting diode (LED) module according to claim 1 is characterized in that, also comprises a thermal grease, coats above-mentioned accommodation space.
CNA200710135768XA 2007-08-16 2007-08-16 LED module Pending CN101368694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA200710135768XA CN101368694A (en) 2007-08-16 2007-08-16 LED module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA200710135768XA CN101368694A (en) 2007-08-16 2007-08-16 LED module

Publications (1)

Publication Number Publication Date
CN101368694A true CN101368694A (en) 2009-02-18

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ID=40412634

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA200710135768XA Pending CN101368694A (en) 2007-08-16 2007-08-16 LED module

Country Status (1)

Country Link
CN (1) CN101368694A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103292290A (en) * 2013-06-28 2013-09-11 深圳吉力信光电科技有限公司 LED (Light Emitting Diode) heat dissipation device and LED vehicle headlamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103292290A (en) * 2013-06-28 2013-09-11 深圳吉力信光电科技有限公司 LED (Light Emitting Diode) heat dissipation device and LED vehicle headlamp
CN103292290B (en) * 2013-06-28 2015-07-29 深圳吉力信光电科技有限公司 A kind of LED heat abstractor and LED automobile head light

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Effective date of abandoning: 20090218

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