CN102588800A - Light-emitting diode (LED) bulb lamp made of nano composite plastic - Google Patents
Light-emitting diode (LED) bulb lamp made of nano composite plastic Download PDFInfo
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- CN102588800A CN102588800A CN2012100644599A CN201210064459A CN102588800A CN 102588800 A CN102588800 A CN 102588800A CN 2012100644599 A CN2012100644599 A CN 2012100644599A CN 201210064459 A CN201210064459 A CN 201210064459A CN 102588800 A CN102588800 A CN 102588800A
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Abstract
The invention discloses a light-emitting diode (LED) bulb lamp made of a nano composite plastic. The LED bulb lamp comprises a lamp shell, a lamp shade covering the lamp shell, a substrate, an LED chip and a driving power supply; the substrate comprises a first plate and a second plate; the first plate of the substrate comprises a circuit connecting layer, an insulating layer and a metal layer; the metal layer and the second plate of the substrate are arranged in an attaching and covering way; the second plate of the substrate is made of the nano composite plastic; a closed first space is formed between the substrate and the lamp shade; the LED chip is positioned in the first space and electrically connected with the circuit connecting layer arranged on the first plate of the substrate; a second space is formed between the second plate of the substrate and the lamp shell; a front end approaching the substrate and a back end far away from the substrate are arranged on the lamp shell; the front end part and the back end part of the lamp shell are respectively provided with a first hole and a second hole; the driving power supply is positioned in the second space; the driving power supply comprises a body and a conical part which is arranged on the body; and the radius of the conical part is gradually decreased from the back end of the substrate to the front end of the substrate.
Description
Technical field
the present invention relates to the LED bulb lamp that a kind of nano composite plastics is processed.
Background technology
LED (Light Emitting Diode) is a kind of solid-state semiconductor devices, and it can directly be converted into light to electricity.
LED fluorescent tube of the prior art; It comprises lamp housing, covers on lampshade, substrate, led chip on the lamp housing; Usually for radiating effect; Lamp housing adopts aluminum or aluminum alloy system usually, substrate adopt aluminium and aluminium alloy plate or, copper and copper alloy, pottery, FR-4 etc. process.
still this radiating effect is unsatisfactory, and along with the raising of LED brightness, rated power, the LED bulb lamp needs better thermal diffusivity.
Summary of the invention
the object of the invention is exactly the LED bulb lamp that will provide a kind of nano composite plastics to process, and has good thermal diffusivity.
the invention provides the LED bulb lamp that a kind of nano composite plastics is processed; It comprises lamp housing, covers on lampshade, substrate, led chip, driving power on the lamp housing; It is characterized in that: said substrate comprises first laminate and second laminate of range upon range of setting; First laminate of said substrate comprises circuit articulamentum, insulating barrier, the metal level of range upon range of setting; Said metal level pastes setting mutually with second laminate of said substrate; Second laminate of substrate is processed by nano composite plastics, and nano composite plastics comprises plastic substrate and is dispersed in the inorganic filler in the plastic substrate with nano-grade size, forms first space of sealing between said substrate and the said lampshade; Said led chip is positioned on the circuit articulamentum that first space is electrically connected first laminate be arranged on said substrate; Form second space between second laminate of said substrate and the lamp housing, have on the said lamp housing near the front end of substrate with away from the rear end of substrate, the leading section of said lamp housing and rearward end offer first hole and second hole respectively; Said driving power is arranged in said second space, and said driving power comprises body and is arranged on the tapered portion that cross section radius on the body reduces to the front end of substrate from the rear end of substrate gradually.
Preferably, said lamp housing is made of plastics
.
Preferably, the diameter of said inorganic filler is 10
-10
~ 10
-6
Rice.
Preferably, the coefficient of heat transfer of said nano composite plastics is greater than 2000W/m
2
K, thermal conductivity factor is between 5-10W/mK.
preferably, the plastic substrate of said nano composite plastics is a kind of in polyamide-based, PET series, epoxy resin, polyimides system, the PPS system.
preferably, the inorganic filler of said nano composite plastics is a kind of in carbon element, oxide based, nitride based, the hydroxide system.
preferably, said first hole is one or more whirlwind holes.
preferably, arrange around the axis direction circumference of substrate in said a plurality of whirlwind hole.
preferably, the metal level of first laminate of substrate one or more in aluminum or aluminum alloy, copper or the copper alloy.
nano composite plastics is to be dispersed in the plastic substrate with nano-grade size by inorganic filler to form.Compare with traditional composite, plastic substrate and inorganic filler are being received in the scope compoundly, and interfacial area is very big between two-phase; There is the chemical bond between the interface; Form excellent cohesion, can eliminate the mutually unmatched problem of organic/inorganic, form diverse characteristic and manifest.
nano level material can produce quantum size effect; 1. small-size effect; 2. skin effect; 3. macro quanta tunnel effect; 4. coulomb stops up and quantum tunneling.
can be big through the surface of nano level material; Easy reunion can reduce the surface can; Eliminate surface charge; Weaken surface polarity, with surface coverage modification, mechanochemical modification, theca externa modification, Topically active modification, high-energy surface modification, utilize the precipitation reaction surface modification.Therefore this nano composite plastics has the hear resistance raising; Thermal diffusivity significantly improves; Air-breathing property and hygroscopicity are lower; Advantages such as the size coefficient of expansion is lower.
The present invention adopts above structure, has the following advantages:
1, simple in structure, realize easily, adaptable across LED bulb lamp and LED fluorescent lamp etc.;
2, good heat dissipation effect are applicable to the high-capacity LED bulb lamp.
Description of drawings
accompanying drawing 1 is the cutaway view among the present invention.
accompanying drawing 2 is the front view of the substrate among the present invention.
accompanying drawing 3 is the sketch map of first laminate of the substrate among the present invention.
accompanying drawing 4 is the upward view of lamp housing in the embodiment of the invention.
In
accompanying drawing: 1, lamp housing; 11, front end; 12, rear end; 13, first hole; 14, second hole; 2, lampshade; 3, substrate; 31, first laminate; 311, circuit articulamentum; 312, insulating barrier; 313, metal level; 32, second laminate; 4, led chip; 5, first space; 6, second space; 7, driving power; 71, body; 72, tapered portion.
The specific embodiment
Set forth preferred embodiment of the present invention below in conjunction with accompanying drawing 1-4 in detail
; Thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to those skilled in the art will recognize that.
are shown in accompanying drawing 1; The LED bulb lamp that a kind of nano composite plastics is processed is disclosed among the present invention; It comprises lamp housing 1, covers on lampshade 2, substrate 3, led chip 4, driving power 7 on the lamp housing 1; Said substrate 3 comprises first laminate 31 and second laminate 32 of range upon range of setting; First laminate 31 of substrate 3 comprises circuit articulamentum 311, insulating barrier 312, the metal level 313 of range upon range of setting; Metal level 313 pastes setting mutually with second laminate 32 of said substrate 3, and second laminate 32 is processed by nano composite plastics, and nano composite plastics comprises plastic substrate and is dispersed in the inorganic filler in the plastic substrate with nano-grade size; Said led chip 4 is arranged on the circuit articulamentum 311 of first laminate 31 of substrate 3; Form first space 5 of sealing between first laminate 31 of said substrate 3 and the said lampshade 2, led chip 4 is positioned at first space 5 and is electrically connected on the circuit articulamentum 311 of first laminate 31 that is arranged on said substrate 3, forms second space 6 between second laminate 32 of said substrate 3 and the lamp housing 1; Have on the lamp housing 1 near the front end 11 of substrate 3 with away from the rear end 11 of substrate 3; The leading section of said lamp housing 1 and rearward end offer first hole 13 and second hole 14 respectively, and said driving power 7 is arranged in said second space 6, and said driving power 7 comprises body 71 and is arranged on the tapered portion 72 that cross section radius on the body 71 reduces to the front end of substrate from the rear end of substrate gradually.
Shown in accompanying drawing 4, preferably, first hole 13 can be a plurality of whirlwind holes of arranging around the axis direction circumference of substrate 3
.
generally bulb lamp are in suspended state, and when substrate 3 and driving power 7 work, led chip 4 passes through the thermal current of substrate 3 outside heat radiation generations to rising.Be positioned at the cold air rising that 13 spirals get into second space, 6 acceleration thermal currents from first hole of lamp housing 1 outside.
thermal current and cold air rise along the capable portion 72 of awl of driving power 7 jointly and leave second space 6 from second hole 14 of lamp housing 1 rear end 12.The setting of tapered portion 72 helps the trend of air-flow more, has prevented the generation of eddy current, has quickened cross-ventilation, has speeded the speed of heat diffusion.
shown in accompanying drawing 2, substrate 3 comprises first laminate 31 and second laminate 32 successively.
shown in accompanying drawing 3, first laminate 31 of substrate 3 comprises circuit articulamentum 311, insulating barrier 312, the metal level 313 of range upon range of setting.Metal level 313 pastes setting mutually with second laminate 32 of said substrate 3, and circuit articulamentum 311 is used to connect led chip and is connected with circuit between the driving power.Insulating barrier 312 is processed by insulating materials, be used for between metal level and the circuit articulamentum mutually electricity isolate.The metal level 313 of first laminate of substrate one or more in aluminum or aluminum alloy, copper or the copper alloy.
The plastic substrate of
nano composite plastics can be in polyamide-based (PA), PET series (PET), epoxy resin (Epoxy Resin), polyimides system (PI), the PPS system a kind of.
polyamide is a kind of engineering plastics commonly used; Wherein nylon 6 (PA6) has excellent physics and chemical property; It is low to make water absorption rate height, poor dimensional stability, wet strength and the thermal deformation of material stablize, and has limited the use of polyamide to a certain extent.
This nanometer PET material of
PETG combines rigidity, the hear resistance of inorganic material with toughness, the processability of PET.
epoxy resin is as the main material of making copper-clad plate; Have excellent comprehensive performances, through the epoxy resin of nanometer technology modification, its structure is different from the epoxy composite material of common fillers fully; Show extremely strong activity; Huge specific surface is easy to and epoxy resin molecule generation key and effect it, improved intermolecular distributary power and still some nano particle be distributed in the space of macromolecular chain, show very high flowability.
Polyimides (PI) is a kind of high heat-resisting organic material of practical application at present, along with nanometer SiO
2
The increase of content, polyimides can significantly promote its heat resistance along with the increase of nano-filled thing content.
are same, along with the increase of nano-filled thing content, can significantly promote its heat resistance among the PPS.
The inorganic filler of
nano composite plastics is a kind of in carbon element, oxide based, nitride based, the hydroxide system.The diameter of inorganic filler is 10 -10 ~ 10 -6 Rice.
also are provided with high heat radiation packing material in addition between the metal level 313 of first laminate 31 of substrate 2 and second laminate 32, be used for being close to mutually between metal level 313 and second laminate 32, are beneficial to heat transfer more.
high heat conduction packing material is one or more in high thermal conductive silicon film, silica gel heating sheet, silicon rubber heating film, silicon rubber electric heating piece, silicon rubber oil drum heater, silica gel cloth, conductive graphite sheet, heat conduction casting glue, heat conduction phase-transition material, the silica gel products.
are because this substrate 3 has good thermal diffusivity, so the heat energy that led chip 4 produces can be through substrate 3 to external diffusion.The heat that substrate 3 is received can outwards exhale.
The present invention adopts above structure, has the following advantages:
1, simple in structure, realize easily, adaptable across LED bulb lamp and LED fluorescent lamp etc.;
2, good heat dissipation effect are applicable to the high-capacity LED bulb lamp.
are above to combine diagram to be illustrated to specific embodiment of the present invention; But protection content of the present invention is not only limited to above embodiment; In affiliated technical field of the present invention; The common knowledge of GPRS just can be carried out diversified change in its technological main idea scope.
Claims (9)
1. LED bulb lamp that nano composite plastics is processed; It comprises lamp housing, covers on lampshade, substrate, led chip, driving power on the lamp housing; It is characterized in that: said substrate comprises first laminate and second laminate of range upon range of setting; First laminate of said substrate comprises circuit articulamentum, insulating barrier, the metal level of range upon range of setting; Said metal level pastes setting mutually with second laminate of said substrate; Second laminate of substrate is processed by nano composite plastics, and nano composite plastics comprises plastic substrate and is dispersed in the inorganic filler in the plastic substrate with nano-grade size, forms first space of sealing between said substrate and the said lampshade; Said led chip is positioned on the circuit articulamentum that first space is electrically connected first laminate be arranged on said substrate; Form second space between second laminate of said substrate and the lamp housing, have on the said lamp housing near the front end of substrate with away from the rear end of substrate, the leading section of said lamp housing and rearward end offer first hole and second hole respectively; Said driving power is arranged in said second space, and said driving power comprises body and is arranged on the tapered portion that cross section radius on the body reduces to the front end of substrate from the rear end of substrate gradually.
2. the LED bulb lamp that nano composite plastics according to claim 1 is processed is characterized in that: said lamp housing is made of plastics.
3. the LED bulb lamp that nano composite plastics according to claim 1 is processed is characterized in that: the diameter of said inorganic filler is 10
-10~ 10
-6Rice.
4. the LED bulb lamp that nano composite plastics according to claim 1 is processed is characterized in that: the coefficient of heat transfer of said nano composite plastics is greater than 2000W/m
2K, thermal conductivity factor is between 5-10W/mK.
5. the LED bulb lamp that nano composite plastics according to claim 1 is processed is characterized in that: the plastic substrate of said nano composite plastics is a kind of in polyamide-based, PET series, epoxy resin, polyimides system, the PPS system.
6. the LED bulb lamp that nano composite plastics according to claim 1 is processed is characterized in that: the inorganic filler of said nano composite plastics is a kind of in carbon element, oxide based, nitride based, the hydroxide system.
7. the LED bulb lamp that nano composite plastics according to claim 1 is processed is characterized in that: said first hole is one or more whirlwind holes.
8. the LED bulb lamp that nano composite plastics according to claim 7 is processed is characterized in that: arrange around the axis direction circumference of substrate in said a plurality of whirlwind hole.
9. the LED bulb lamp that nano composite plastics according to claim 1 is processed is characterized in that: the metal level of first laminate of substrate one or more in aluminum or aluminum alloy, copper or the copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100644599A CN102588800A (en) | 2012-03-13 | 2012-03-13 | Light-emitting diode (LED) bulb lamp made of nano composite plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100644599A CN102588800A (en) | 2012-03-13 | 2012-03-13 | Light-emitting diode (LED) bulb lamp made of nano composite plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102588800A true CN102588800A (en) | 2012-07-18 |
Family
ID=46477841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100644599A Pending CN102588800A (en) | 2012-03-13 | 2012-03-13 | Light-emitting diode (LED) bulb lamp made of nano composite plastic |
Country Status (1)
| Country | Link |
|---|---|
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101225231A (en) * | 2008-01-29 | 2008-07-23 | 银禧工程塑料（东莞）有限公司 | Insulating heat-conductive glass-fiber reinforced PPS composite material and preparation method thereof |
| CN101333434A (en) * | 2007-06-25 | 2008-12-31 | 晟茂（青岛）先进材料有限公司 | Heat-conducting insulation material and method for manufacturing same |
| CN101813242A (en) * | 2009-02-23 | 2010-08-25 | 绿点高新科技股份有限公司 | High efficient luminophor |
| US20100255742A1 (en) * | 2009-04-06 | 2010-10-07 | Yun Geum Hee | Heat Radiation Substrate and Illumination Module Substrate Having Hybrid Layer |
| WO2011025233A2 (en) * | 2009-08-27 | 2011-03-03 | Yoon In Suk | Led substrate production method and an led substrate |
| CN202024144U (en) * | 2011-03-23 | 2011-11-02 | 邹兆辉 | LED (Light Emitting Diode) lamp with ultralow attenuation and ultrahigh efficiency |
| CN202032360U (en) * | 2011-04-19 | 2011-11-09 | 惠州伟志电子有限公司 | LED bulb with plastic shell |
| CN202546354U (en) * | 2012-03-13 | 2012-11-21 | 苏州东亚欣业节能照明有限公司 | LED bulb lamp made of nanometer composite plastic |
-
2012
- 2012-03-13 CN CN2012100644599A patent/CN102588800A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333434A (en) * | 2007-06-25 | 2008-12-31 | 晟茂（青岛）先进材料有限公司 | Heat-conducting insulation material and method for manufacturing same |
| CN101225231A (en) * | 2008-01-29 | 2008-07-23 | 银禧工程塑料（东莞）有限公司 | Insulating heat-conductive glass-fiber reinforced PPS composite material and preparation method thereof |
| CN101813242A (en) * | 2009-02-23 | 2010-08-25 | 绿点高新科技股份有限公司 | High efficient luminophor |
| US20100255742A1 (en) * | 2009-04-06 | 2010-10-07 | Yun Geum Hee | Heat Radiation Substrate and Illumination Module Substrate Having Hybrid Layer |
| WO2011025233A2 (en) * | 2009-08-27 | 2011-03-03 | Yoon In Suk | Led substrate production method and an led substrate |
| CN202024144U (en) * | 2011-03-23 | 2011-11-02 | 邹兆辉 | LED (Light Emitting Diode) lamp with ultralow attenuation and ultrahigh efficiency |
| CN202032360U (en) * | 2011-04-19 | 2011-11-09 | 惠州伟志电子有限公司 | LED bulb with plastic shell |
| CN202546354U (en) * | 2012-03-13 | 2012-11-21 | 苏州东亚欣业节能照明有限公司 | LED bulb lamp made of nanometer composite plastic |
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Application publication date: 20120718 |