CN110094647A - A kind of Wavelength converter, luminescence component and lighting device - Google Patents
A kind of Wavelength converter, luminescence component and lighting device Download PDFInfo
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- CN110094647A CN110094647A CN201810094793.6A CN201810094793A CN110094647A CN 110094647 A CN110094647 A CN 110094647A CN 201810094793 A CN201810094793 A CN 201810094793A CN 110094647 A CN110094647 A CN 110094647A
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- wavelength converter
- light
- conversion layer
- diffusion layer
- luminescence component
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- 238000004020 luminiscence type Methods 0.000 title claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 59
- 238000009792 diffusion process Methods 0.000 claims abstract description 54
- 239000000919 ceramic Substances 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 229910010293 ceramic material Inorganic materials 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 15
- 238000010586 diagram Methods 0.000 description 10
- 229910052593 corundum Inorganic materials 0.000 description 9
- 229910001845 yogo sapphire Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000005286 illumination Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 229910019990 cerium-doped yttrium aluminum garnet Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Inorganic materials [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Semiconductor Lasers (AREA)
Abstract
The present invention provides a kind of Wavelength converter, luminescence component and lighting device, the Wavelength converter includes diffusion layer and conversion layer, diffusion layer and conversion layer are stacked on the thickness direction of Wavelength converter, exciting light that diffusion layer is used to enter its inside, which spreads to be incorporated to, injects conversion layer, and purpose light is converted and/or synthesized to conversion layer for that will enter its internal exciting light.Wavelength converter provided by the invention can will efficiently enter its internal light and convert and/or synthesize purpose light.
Description
Technical field
The present invention relates to lighting technical field, in particular to a kind of Wavelength converter, luminescence component and lighting device.
Background technique
For LED illumination as one kind compared with conventional light source, LED light has energy conservation and environmental protection, long service life, small in size, again
The advantages such as light, firm in structure, operating voltage is low are measured, are known as being the 4th after incandescent lamp, fluorescent lamp, high-intensity-gas lamp
For illuminator, but LED the problems such as that there are brightness is lower, efficiency rapid drawdown at present.Laser diode excites glimmering as excitation light source
Luminescent material, which carries out white-light illuminating, has that electro-optical efficiency is high, brightness is high, inefficiency sudden drop phenomenon and the advantages such as small in size.
Currently used laser is using laser fluorescence scheme as the scheme that excitation light source generates illumination white light: blue swashs
Light excites yellow fluorescent material, the yellow light being converted to and the blue light that do not converted obtain white light as excitation light source.Swash
Since laser facula area is small in light fluorescence scheme, excitation light power density is excessively high, cause fluorescence transition material luminous efficiency compared with
Low, the problems such as hot-spot, currently used solution is to rotate fluorescent material or vibration, so that excitation light power density
Or heat dispersion, but this method includes movable part, there are problems that reliability etc..
Summary of the invention
The present invention provides a kind of Wavelength converter, luminescence component and lighting device, is able to solve prior art medium wavelength
The conversion of conversion equipment and/or the low problem of combined coefficient.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of Wavelength converter is provided, it should
Wavelength converter includes diffusion layer and conversion layer, and diffusion layer and conversion layer are laminated on the thickness direction of Wavelength converter to be set
It sets, diffusion layer, which is used to be incorporated into its internal exciting light diffusion, injects conversion layer, and conversion layer will be for that will enter its inside
Exciting light conversion and/or synthesis purpose light.
In order to solve the above technical problems, another technical solution used in the present invention is: providing a kind of luminescence component, the hair
Optical assembly includes laser light source, coupling element and above-mentioned Wavelength converter, and laser light source is for generating exciting light, coupling element
For the diffusion layer for being optically coupled into Wavelength converter will to be excited.
In order to solve the above technical problems, another technical solution used in the present invention is: providing a kind of lighting device, the photograph
Bright device includes above-mentioned luminescence component.
The beneficial effects of the present invention are: be in contrast to the prior art, Wavelength converter provided by the invention can be with
Its internal light will efficiently be entered and convert and/or synthesize purpose light.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is a kind of simplified structure diagram for luminescence component that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides a kind of luminescence component simplified structure diagram；
Fig. 3 be another embodiment of the present invention provides a kind of luminescence component simplified structure diagram；
Fig. 4 be another embodiment of the present invention provides a kind of luminescence component simplified structure diagram；
Fig. 5 is a kind of simplified structure diagram for lighting device that one embodiment of the invention provides.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.It is understood that specific embodiment described herein is only used for explaining the application, rather than to the limit of the application
It is fixed.It also should be noted that illustrating only part relevant to the application for ease of description, in attached drawing and not all knot
Structure.Based on the embodiment in the application, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall in the protection scope of this application.
Term " first ", " second " in the application are used for description purposes only, and are not understood to indicate or imply opposite
Importance or the quantity for implicitly indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be bright
Show or implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.The directional instruction of institute in the embodiment of the present application (such as upper and lower, left,
It is right, forward and backward ...) be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.In addition, term
" comprising " and " having " and their any deformations, it is intended that cover and non-exclusive include.Such as contain series of steps
Or the process, method, system, product or equipment of component, it is not limited to listed step or component, but is optionally also wrapped
Include the step of not listing or component, or optionally further comprising other steps intrinsic for these process, methods, product or equipment
Rapid or component.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Referring to Fig. 1, Fig. 1 is a kind of simplified structure diagram for luminescence component that one embodiment of the invention provides.
As shown in Figure 1, a kind of luminescence component 10 provided by the invention includes laser light source 120, coupling element 140 and wavelength
Conversion equipment 160.
Laser light source 120, coupling element 140 and Wavelength converter 160 can be in the length sides of Wavelength converter 160
Setting is successively arranged upwards, and coupling element 140 is used to for the excitation that laser light source 120 is issued to be optically coupled into wavelength convert dress
160 are set, the exciting light that Wavelength converter 160 is used to be issued laser light source 120 is converted and/or synthesis purpose light.Certainly,
Laser light source 120, coupling element 140 and Wavelength converter 160 can also on the thickness direction of Wavelength converter 160 according to
It is secondary to arrange setting, it is not limited here.
Wherein, laser light source 120, coupling element 140 and Wavelength converter 160 are arranged in Wavelength converter 160 sets
It sets and can achieve the purpose that laser light source 120 and Wavelength converter 160 are spaced apart, avoid produced by laser light source 120
Big calorimetric be transmitted on Wavelength converter 160 too much, heat will affect the transformation efficiency of Wavelength converter 160, sternly
It will lead to 160 hot-quenching of Wavelength converter when weight to go out.In addition, by laser light source on the length direction of Wavelength converter 160
120 are optically coupled into Wavelength converter 160, and point light source may be implemented in this way and be converted to face or linear light source, and then increase light
Into the illuminating area and the uniformity of Wavelength converter 160.
Wherein, laser light source 120 can be solid state light emitter, such as light emitting diode or laser diode etc..Laser light
Source 120 can be one, and laser light source 120 is also possible to the array of multiple or multiple laser light source compositions, such as 2,3 or 4
Deng.
The main function of coupling element 140 is that the light for being issued laser light source 120 collects, and cover enters wave
Long conversion equipment 160.Coupling element 140 can be convex lens, and coupling element 140 is also possible to optical fiber, by optical fiber by light
It importing in Wavelength converter 160, coupling element 140 can also be other any optical devices with focusing light effect, such as
The lens group etc. that condensing film or convex lens integrate, it is numerous to list herein.
Wavelength converter 160 can have even shape, Wavelength converter 160 or bending, and wavelength turns
Changing device 160 can also be other shapes moulding, and the main function of Wavelength converter 160 is will to be irradiated into wavelength convert dress
The light for setting 160 is converted into purpose light, and purpose light can be white light, and purpose light is also possible to yellow light, and purpose light can also be other
The light of color.
Specifically, Wavelength converter 160 may include diffusion layer 162 and conversion layer 164, diffusion layer 162 and conversion layer
164 are stacked on the thickness direction of diffusion layer 162, from the light that coupling element 140 couples from the plane of incidence of diffusion layer 162
161 enter diffusion layer 162, and from the plane of incidence 163 of conversion layer 164, (plane of incidence 163 is also diffusion layer to the light after DIFFUSION TREATMENT
162 exit facet) enter conversion layer 164, me is obtained from the injection of the exit facet 165 of conversion layer 164 after the processing of conversion layer 164
The purpose light that needs.
Diffusion layer 162 is made of ceramic material, and specifically, diffusion layer 162 can be the pottery with crystal boundary birefringent phenomenon
Ceramic material.Preferably, diffusion layer 162 can be Al2O3Ceramics, due to Al2O3Belong to trigonal system, there are birefringent phenomenon, institutes
With Al2O3It is birefringent that there is crystal boundaries in ceramics, birefringent to can produce additional light scattering, and diffusion layer 162 utilizes Al2O3It is ceramic brilliant
The birefringent characteristic in boundary is injected in conversion layer 164 after uniformly breaing up light；Also, Al2O3Ceramics do not absorb light, have good
Good transmissivity, can be realized high light efficiency.Certainly, other ceramics with crystal boundary birefringent phenomenon can also be applied.
Referring to Fig. 2, Fig. 2 be another embodiment of the present invention provides a kind of luminescence component 10 simplified structure diagram.
Diffusion layer 162 is also possible to conventional ceramic or glass, by increasing stomata 166 in diffusion layer 162, or is expanding
The scattering particles 168 for increasing in layer 162 and there is scattering function is dissipated, or increases stomata 166 and scattering simultaneously in diffusion layer 162
Particle 168, to increase the diffusion of 162 pairs of light of diffusion layer, so that the illuminating area for making light be irradiated into conversion layer 164 increases
Add, in addition, also improving the uniformity of light irradiation.Certainly, in some embodiments, diffusion layer 162 can also be Al2O3Ceramics,
And stomata 166 and/or scattering particles 168 are set in diffusion layer 162.
In some cases, the distribution of crystal boundary in diffusion layer 162, stomata 166 or scattering particles content can be regulated and controled,
To reach the spot size and uniformity of the light that control is incident in conversion layer 164.Scattering particles 168 can also be such as
TiO2、Al2O3Or BaSO4Equal particles.
Optionally, the plane of incidence 161 and 163 outer portion of exit facet are removed in all faces of diffusion layer 162 or all do polishing treatment,
Light is totally reflected when (i.e. critical angle) is irradiated on burnishing surface at a certain angle, to avoid light from the non-plane of incidence and non-
Exit facet projects, to improve the light extraction efficiency of laser light source 120.
The material of conversion layer 164 is fluorescence ceramics or fluorescent glass, for example, conversion layer 164 can be YAG ceramics, when
When needing to obtain the light of different wave length, the different substance of the corresponding doping of conversion layer 164, to realize the effect of different fluorescence.
It is blue light with laser light source 120, purpose light is for white light, conversion layer 164 accordingly adulterates Ce, and blue light illumination is to doping Ce's
Yellow light is obtained in YAG ceramics, yellow light and the blue light that do not converted obtain purpose light i.e. white light.In other embodiments, may be used
With according to the type of laser light source 120, the type of purpose light goes to select corresponding fluorescent ceramic material, such as red fluorescence ceramics
Material, green fluorescence ceramic material；Specifically, corresponding doped chemical can also be adulterated in YAG ceramics, for issuing correspondence
The light of color, does not enumerate herein.
It should be noted that in general, corresponding fluorescence ceramics are made in fluorescent powder required for being encapsulated using ceramic material.
Illustratively, as YAG:Ce fluorescence ceramics can mutually be constituted by fluorescent powder phase YAG:Ce with aluminium oxide, wherein aluminium oxide is realized pair
The encapsulation of YAG:Ce fluorescent powder.It certainly, can be YAG (yttrium-aluminium-garnet), the oxygen not adulterated for the ceramic material of encapsulation
Change at least one of aluminium, aluminium nitride.Fluorescence ceramics can also be fluorophor monocrystalline, eutectic etc.；Illustrative such as YAG:Ce is mono-
Brilliant fluorescence ceramics, YAG:Ce-Al2O3Eutectic fluorescence ceramics.
Further, conversion layer 164 can increase stomata 167, and conversion layer 164 can also increase dissipating with scattering function
Radion 169, conversion layer 164 can also increase stomata 167 and scattering particles 169 simultaneously, to increase the expansion of 164 pairs of light of conversion layer
Effect is dissipated, to make illumination project conversion layer 164, in addition, also improving the uniformity of light outgoing.It in some cases, can be with
Regulate and control the distribution of 169 content of stomata 167 or scattering particles in conversion layer 164, to reach the spot size of control purpose light
And uniformity.Scattering particles 169 can also be such as TiO2、Al2O3Or BaSO4Equal particles.
Optionally, the plane of incidence 163 and 165 outer portion of exit facet are removed in all faces of conversion layer 164 or all do polishing treatment,
Mirror-reflection occurs when light is irradiated on burnishing surface, to avoid light from projecting from the non-plane of incidence and non-exit facet, to improve
The light extraction efficiency of laser light source 120.
The conversion layer 164 and diffusion layer 162 of Wavelength converter 160 can be structure as a whole, specifically, conversion layer 164
The technique integral production of the tape casting preparation Multi-layer composite ceramic can be used with diffusion layer 162.The conversion layer of Wavelength converter 160
164 and diffusion layer 162 can also be package assembly.
Referring to Fig. 3, Fig. 3 be another embodiment of the present invention provides a kind of luminescence component 10 simplified structure diagram.
The light that laser light source 120 issues is coupled into the diffusion layer 162 of Wavelength converter 160 by coupling element 140,
Light enters conversion layer 164 after the diffusion of diffusion layer 162, is converted into our the purpose light emissions of needs and goes out, the purpose of to realize illumination.
The difference of the present embodiment and above-described embodiment is that luminescence component 10 further comprises reflecting element 180, and reflecting element 180 has anti-
The effect of light is penetrated, reflecting element 180 is set to the non-plane of incidence of diffusion layer 162 and at least partly position of non-exit facet, and anti-
It penetrates part 180 and is also disposed on the non-plane of incidence of conversion layer 164 and at least partly position of non-exit facet, when light is from diffusion layer 162
Or conversion layer 164 the non-plane of incidence and non-exit facet project when, light reaches on reflecting element 180, is re-emitted by reflecting element 180
Into in diffusion layer 162 or conversion layer 164, to avoid unnecessary light loss, improve laser light source 120 goes out light efficiency
Rate.Reflecting element 180 can be reflectance coating, and reflecting element 180 is also possible to eyeglass, and reflecting element 180 can also be that other any have
The device of reflecting effect.
Further, the side of the plane of incidence 161 of diffusion layer 162 is provided with dichroic piece 110, dichroic piece 110 can
It is almost penetrated, and the light of other wavelength is almost reflected, 110 preventing portion of dichroic piece with the light to certain wavelength
Stimulated luminescence (stimulated luminescence wavelength is different from exciting light) is divided to be emitted from incidence surface 161, so that the loss of purpose light is reduced, into
One step improving laser light source 120 light extraction efficiency.It specifically, is blue light with laser light source 120, for purpose light is white light,
Dichroic piece 110 can reflect the light of other wavelength through blue laser.
Further, the side of the exit facet 165 of conversion layer 164 is provided with anti-reflection film 130, anti-reflection film 130 is to utilize
The principle of interference of light, anti-reflection film 130 a front surface and a rear surface reflection light interfere, wave crest is contacted with wave crest, trough and
Trough contact, to increase the luminous intensity out of the exit facet 165 of conversion layer 164.
Referring to Fig. 4, Fig. 4 be another embodiment of the present invention provides a kind of luminescence component 10 simplified structure diagram.
The light that laser light source 120 issues is coupled into the diffusion layer 162 of Wavelength converter 160 by coupling element 140,
Light enters conversion layer 164 after the diffusion of diffusion layer 162, is converted into our the purpose light emissions of needs and goes out, the purpose of to realize illumination.
The difference of the present embodiment and above-described embodiment is that the exit facet 165 of conversion layer 164 is the side of its length direction.By subtracting
The area of the exit facet 165 of small conversion layer 164, to obtain the purpose light of lesser etendue, to improve purpose light
Brightness.
In conclusion it should be readily apparent to one skilled in the art that luminescence component provided by the invention 10 includes laser light source
120, coupling element 140 and Wavelength converter 160, laser light source 120, coupling element 140 and Wavelength converter 160 are successively
Setting is arranged on the length direction of Wavelength converter 160, to avoid laser light source 120 and Wavelength converter 160
It directly contacts, considerably reduces the heat that laser light source 120 is transmitted on Wavelength converter 160.In addition, wavelength convert fills
Setting 160 includes diffusion layer 162 and conversion layer 164, the thickness direction of diffusion layer 162 and conversion layer 164 in Wavelength converter 160
On be stacked, diffusion layer 162 is used for the light that spread laser light source 120 issues, conversion layer 164 be used to spread after laser turn
It is standby using multi-layer ceramics preparation process integration system to change the purpose light of our needs, diffusion layer 162 and conversion layer 164 into, makes wave
Long 160 thermal conductivity of conversion equipment and heat resistance are further promoted.
Referring to Fig. 5, Fig. 5 is a kind of simplified structure diagram for lighting device that one embodiment of the invention provides.
The lighting device includes lampshade 20, luminescence component 10 described in lamp body 30 and above-mentioned all embodiments, luminescence component
10 are arranged on lamp body 30, and lampshade 20 is located on lamp body 30, to cover luminescence component 10.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content is applied directly or indirectly in other relevant
Technical field similarly includes in the scope of patent protection of the application.
Claims (11)
1. a kind of Wavelength converter characterized by comprising
Diffusion layer and conversion layer, the diffusion layer and the conversion layer are laminated on the thickness direction of the Wavelength converter and set
It sets, exciting light diffusion that the diffusion layer is used to enter its inside, which is incorporated to, injects the conversion layer, and the conversion layer is used for will
Into its internal exciting light conversion and/or synthesis purpose light.
2. Wavelength converter according to claim 1 characterized by comprising
The material of the diffusion layer is ceramics or glass；
The material of the conversion layer is fluorescence ceramics or fluorescent glass.
3. Wavelength converter according to claim 2, which is characterized in that the conversion layer and the diffusion layer are integrated
Structure.
4. Wavelength converter according to claim 2 characterized by comprising
The diffusion layer is the ceramic material with crystal boundary birefringent phenomenon.
5. Wavelength converter according to any one of claims 1 to 4 characterized by comprising
Stomata or scattering particles are provided in the conversion layer and/or the diffusion layer.
6. a kind of luminescence component characterized by comprising
Laser light source, for generating exciting light；
Such as Wavelength converter described in any one of claim 1 to 5；
Coupling element, for the excitation to be optically coupled into the diffusion layer of the Wavelength converter.
7. luminescence component according to claim 6, which is characterized in that the coupling element is lens, lens group or light
It is fine.
8. luminescence component according to claim 6, which is characterized in that
At least partly non-plane of incidence of the Wavelength converter and non-exit facet do polishing treatment；Or
The luminescence component further comprises reflecting element, and the reflecting element is set at least partly institute of the Wavelength converter
State the side of the non-plane of incidence and the non-exit facet.
9. luminescence component according to claim 6, which is characterized in that
The luminescence component further comprises dichroic piece, and the dichroic piece is set to the coupling element and the wavelength turns
Between changing device；Or
The luminescence component further comprises anti-reflection film, and the anti-reflection film is set to the exit facet side of the conversion layer.
10. luminescence component according to claim 6, which is characterized in that
The plane of incidence of the Wavelength converter is at least one side of its thickness direction.
11. a kind of lighting device characterized by comprising the described in any item luminescence components of claim 5 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094793.6A CN110094647A (en) | 2018-01-29 | 2018-01-29 | A kind of Wavelength converter, luminescence component and lighting device |
| PCT/CN2018/088521 WO2019144545A1 (en) | 2018-01-29 | 2018-05-25 | Wavelength conversion device, light-emitting assembly, and illumination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094793.6A CN110094647A (en) | 2018-01-29 | 2018-01-29 | A kind of Wavelength converter, luminescence component and lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110094647A true CN110094647A (en) | 2019-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810094793.6A Pending CN110094647A (en) | 2018-01-29 | 2018-01-29 | A kind of Wavelength converter, luminescence component and lighting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110094647A (en) |
| WO (1) | WO2019144545A1 (en) |
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