CN205592703U - Laser white light source based on carbon nano particles - Google Patents
Laser white light source based on carbon nano particles Download PDFInfo
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- CN205592703U CN205592703U CN201620032154.3U CN201620032154U CN205592703U CN 205592703 U CN205592703 U CN 205592703U CN 201620032154 U CN201620032154 U CN 201620032154U CN 205592703 U CN205592703 U CN 205592703U
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- laser
- carbon nano
- light source
- white light
- particles
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- 239000011852 carbon nanoparticle Substances 0.000 title claims abstract description 52
- 239000004065 semiconductor Substances 0.000 claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims description 13
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000005284 excitation Effects 0.000 abstract description 8
- 238000004020 luminiscence type Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000002086 nanomaterial Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 229940052961 longrange Drugs 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- -1 adjusts assembly Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Semiconductor Lasers (AREA)
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Abstract
The utility model is suitable for a light source field provides laser white light source based on carbon nano particles, including laser source, light beam adjustment subassembly, carbon nano particles and reflecting component, the laser source is used for the lasing, and laser is adjusted through the light beam and is shone after the subassembly is adjusted luminance in order to excite carbon nano particles on carbon nano particles, and carbon nano particles absorbs partial laser and changes the visible light into, then the white light of visible light and the mixed back production of the not absorbed laser of surplus jets out after the reflecting component reflection. The utility model discloses a carbon nano particles raw material sources extensive, not restricted by the resource, friendly to environment, furtherly adopts semiconductor laser diode as the excitation light source of white light, and is lower as excitation light source's consumption for LED, the low price is favorable to reducing laser white light source's cost of manufacture, carbon nano -material adopts long -range model design, and with the luminescence chip contactless that arouses laser, the fuel factor is little, can improve efficiency and extension light source life that the white light produced.
Description
Technical field
This utility model belongs to light source field, particularly relates to a kind of laser white light source based on laser and carbon nano-particles luminescent material.
Background technology
The most conventional three kinds of semiconductor technologies realize white light source: (1) utilizes red, green, blue three-color light-emitting diode (LED) to mix generation white light by a certain percentage；(2) ultraviolet leds excites three primary colors fluorescent powder to produce white light；(3) utilize blue-light led to excite fluorescent material that yttrium-aluminium-garnet is main body produces green-yellow light, and mixes remaining blue light and produce white light.In said method, the first and the second technology are immature, do not popularize, and the third method is the manufacture method of the white-light emitting diode that application is wide at present.But the defect of the third method is it is also obvious that such as: the fluorescent RE powder that light converts is coated on LED luminescence chip, easily producing heat dissipation problem affects white light quality and equipment life, and reduces the light conversion efficiency of fluorescent RE powder.Current quasiconductor white light source all uses rare earth base fluorescent powder to be limited as light-converting material, rare earth itself as scarce resource reserves, and a large amount of exploitations of rare earth and smelting also can strengthen the destruction to environment.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of laser white light source based on carbon nano-particles, it is intended to solve the defect of existing white light source.
This utility model is achieved in that a kind of laser white light source based on carbon nano-particles, adjusts assembly, carbon nano-particles and reflecting assembly including lasing light emitter, light beam；
Described lasing light emitter is used for producing laser, described laser is radiated on described carbon nano-particles to excite described carbon nano-particles after described light beam adjusts assembly light modulation, described carbon nano-particles absorbs the described laser of part and changes into visible ray, and the most described visible ray concentrates injection with remaining the white light produced after unabsorbed laser mixes after described reflecting assembly adjustment direction.
Further, described lasing light emitter is semiconductor laser diode.
Further, described lasing light emitter is for producing the laser that wave-length coverage is 350nm-500nm.
Further, described light beam adjusts assembly is light modulation lens.
Further, described light modulation lens are convex lens.
Further, described light modulation lens are concavees lens.
Further, described reflecting assembly is reflector.
Further, the particle diameter of described carbon nano-particles is 1nm-10nm, in solid-state in described high molecular polymer.
Further, the one during described high molecular polymer is epoxy resin or organic siliconresin.
This utility model is compared with prior art, have the beneficial effects that: the carbon nano-particles raw material sources that this utility model uses are extensive, not by resource limit, environmentally friendly, further, use semiconductor laser diode LD as the excitation source of white light, lower as the power consumption of excitation source relative to LED, and light conversion carbon nanomaterial employing remote mode design, do not contact with the luminescence chip of excitation laser, heat effect is little, can improve efficiency that white light produces and extend light source service life；Owing to using the semiconductor laser diode LD of relative low price to produce exciting light, this advantageously reduces the cost of manufacture of laser white light source, additionally the colour temperature of the laser white light source that this utility model provides can select the semiconductor laser diode LD of different wavelength or the carbon nano-particles of variable concentrations to carry out flexible as required, and adaptability is wider.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of based on carbon nano-particles the laser white light source that this utility model embodiment provides.
Fig. 2 is the spectrogram of the laser white light source that this utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
In order to overcome the defect of existing white light technology, this utility model uses semiconductor laser diode (LD, Laser Diode) as excitation source, use carbon nano-particles as light-converting material, utilize the part of laser produced by semiconductor laser diode to excite carbon nano-particles to produce visible ray, and make this visible ray mix generation white light with remaining laser.Light conversion carbon nano-particles uses remote mode, does not contacts with the luminescence chip of excitation source, and heat effect is little, and carbon nano-particles raw material sources are extensive, not by resource limit.
Based on above-mentioned theory, this utility model provides a kind of based on carbon nano-particles laser white light source as shown in Figure 1, adjusts assembly 200, carbon nano-particles 300 and reflecting assembly 400 including lasing light emitter 100, light beam；
Lasing light emitter 100 is used for producing laser, described laser is radiated on carbon nano-particles 300 to excite carbon nano-particles 300 after light beam adjusts assembly 200 light modulation, carbon nano-particles 300 absorbs the described laser of part and changes into visible ray, and the most described visible ray concentrates injection with remaining the white light produced after unabsorbed laser mixes after reflecting assembly 400 adjustment direction.
Below, this utility model is illustrated further.
The laser white light source that this utility model provides is formed by with lower part: lasing light emitter 100, and the wave-length coverage of its laser produced is 350-500nm；Light beam adjusts assembly 200, can be light modulation lens, and described light modulation lens can be convex lens or concavees lens；Carbon nano-particles 300, its particle diameter is 1-10nm, and is dispersed in high molecular polymer, and in solid-state in high molecular polymer, concentration (i.e. carbon nano-particles mass fraction in high molecular polymer) is 0.1%-100%；Reflecting assembly 400；Described high molecular polymer can be epoxy resin or organic siliconresin, it is also possible to is other high molecular polymers.
Operation principle of the present utility model is such that lasing light emitter 100 and sends beam of laser, laser is radiated on the high molecular polymer of carbon nano-particles 300 after adjusting assembly 200 through light beam, carbon nano-particles 300 absorbs a certain amount of laser and is translated into the visible ray that wavelength is longer, visible wavelength, between 450-700nm, converts the visible ray formed and is obtained by mixing white light with the most unabsorbed remaining laser.Because the hot spot of the laser that lasing light emitter 100 sends not necessarily meets the requirement of actual application, the purpose using light beam to adjust assembly 200 is to adjust assembly 200 and be adjusted to the light spot shape required for actual application to make laser pass through light beam；The colour temperature of white light can be adjusted by two ways: the laser 1) selecting the lasing light emitter of different wave length to launch excites carbon nano-particles, semiconductor laser diode LD as longer wavelengths of in selective exitation then obtains, as excitaton source, the white light that colour temperature is relatively low, and vice versa；2) being adjusted by the carbon nano-particles 300 concentration in high molecular polymer matrix, when the carbon nano-particles 300 as selected concentration relatively low change as light, the white light colour temperature of generation is higher, and vice versa.Produced white light is concentrated by the reflection of reflecting assembly 400, thus improves white brightness.
Being explained in detail this utility model below by a specific embodiment: in the present embodiment, lasing light emitter 100 uses semiconductor laser diode LD, and light beam adjusts assembly 200 and uses convex lens, reflecting assembly 400 to use reflector to illustrate:
It is 405nm that LD pump light source 100 produces the wavelength of pump light, pump light focuses on light after convex lens 200 and converts on the high molecular polymer of carbon nano-particles 300, carbon nano-particles 300 is excited by pump light, produce longer wavelengths of visible ray, glow peak position is the visible region of 470-580nm, the visible ray that carbon nano-particles produces and remaining 405nm pump light are mixed to form white light, and produced white light is by concentrating injection after reflector 400 adjustment direction.
In the present embodiment, it is the carbon nano-particles being scattered in epoxy resin that light converts carbon nano-particles 300, and a diameter of 2 to 5 nanometers of carbon nano-particles, carbon nano-particles mass fraction in the epoxy is 10%.Employ in the present embodiment maturation LD as lasing light emitter, compared to existing employing LED as excitation source, power consumption is lower, and light conversion carbon nano-particles uses the design of remote mode, do not contact with lasing fluorescence chip, effectively reduce heat effect, improve luminous efficiency, extend service life.
The spectrogram of the white light source of the present embodiment is as in figure 2 it is shown, its chromaticity coordinate and colour temperature are respectively CIE1931 (0.305,0.371) and 6625K.
The laser that this utility model uses semiconductor laser diode (LD) to produce is exciting light, and carbon nano-particles, as light-converting material, absorbs fraction of laser light by carbon nano-particles, and changes into longer wavelengths of visible ray.The visible ray converted and remaining laser are mixed to form white light.The carbon nano-particles of this utility model is dispersed in high molecular polymer and uses remote mode to design, and does not contacts with the luminescence chip of laser, and heat effect is little, and semiconductor laser diode power consumption is lower, can realize adjustable white light colour temperature.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (9)
1. a laser white light source based on carbon nano-particles, it is characterised in that described laser white light source includes that lasing light emitter, light beam adjust assembly, carbon nano-particles and reflecting assembly；
Described lasing light emitter is used for producing laser, described laser is radiated on described carbon nano-particles to excite described carbon nano-particles after described light beam adjusts assembly light modulation, described carbon nano-particles absorbs the described laser of part and changes into visible ray, and the most described visible ray concentrates injection with remaining the white light produced after unabsorbed laser mixes after described reflecting assembly adjustment direction.
2. laser white light source as claimed in claim 1, it is characterised in that described lasing light emitter is semiconductor laser diode.
3. laser white light source as claimed in claim 1, it is characterised in that described lasing light emitter is for producing the laser that wave-length coverage is 350nm-500nm.
4. laser white light source as claimed in claim 1, it is characterised in that it is light modulation lens that described light beam adjusts assembly.
5. laser white light source as claimed in claim 4, it is characterised in that described light modulation lens are convex lens.
6. laser white light source as claimed in claim 4, it is characterised in that described light modulation lens are concavees lens.
7. laser white light source as claimed in claim 1, it is characterised in that described reflecting assembly is reflector.
8. laser white light source as claimed in claim 1, it is characterised in that the particle diameter of described carbon nano-particles is 1nm-10nm, in solid-state in high molecular polymer.
9. laser white light source as claimed in claim 8, it is characterised in that described high molecular polymer is the one in epoxy resin or organic siliconresin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032154.3U CN205592703U (en) | 2016-01-13 | 2016-01-13 | Laser white light source based on carbon nano particles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032154.3U CN205592703U (en) | 2016-01-13 | 2016-01-13 | Laser white light source based on carbon nano particles |
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| CN205592703U true CN205592703U (en) | 2016-09-21 |
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| CN201620032154.3U Expired - Fee Related CN205592703U (en) | 2016-01-13 | 2016-01-13 | Laser white light source based on carbon nano particles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485548A (en) * | 2016-01-13 | 2016-04-13 | 深圳大学 | Laser white light source based on carbon nanoparticle |
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- 2016-01-13 CN CN201620032154.3U patent/CN205592703U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485548A (en) * | 2016-01-13 | 2016-04-13 | 深圳大学 | Laser white light source based on carbon nanoparticle |
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| Date | Code | Title | Description |
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| 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: 20160921 |