CN110207025A - Light-source system and lighting device - Google Patents
Light-source system and lighting device Download PDFInfo
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- CN110207025A CN110207025A CN201810166393.1A CN201810166393A CN110207025A CN 110207025 A CN110207025 A CN 110207025A CN 201810166393 A CN201810166393 A CN 201810166393A CN 110207025 A CN110207025 A CN 110207025A
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- 238000007493 shaping process Methods 0.000 claims description 8
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
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Classifications
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- 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
- F21K9/20—Light sources comprising attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/30—Semiconductor lasers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Semiconductor Lasers (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of light-source system and lighting devices, comprising: at least one laser light source, for emitting exciting light；Optical waveguide medium, is set on the emitting light path of laser light source, and optical waveguide medium is provided with optical microstructures on one side, for the exciting light being incident in optical waveguide medium to be totally reflected；Heat dissipation base, heat dissipation base the first groove of recessed formation, first bottom portion of groove is recessed to form the second groove, first groove is for placing optical waveguide medium, wavelength conversion layer, it is set in the second groove, the exciting light being emitted from optical waveguide medium for conversion portion forms stimulated light, and stimulated light and the exciting light for not being wavelength-converted layer conversion form illumination light.By above embodiment, the application realizes the white-light illuminating light source of high-energy high brightness small size, and can solve laser chip heat dissipation and the problem of wavelength conversion material radiates.
Description
Technical field
This application involves lighting technical fields, more particularly to a kind of light-source system and lighting device.
Background technique
Currently, the solid state light emitter of lighting area be mainly white light emitting diode (Light Emitting Diode,
LED), wherein adding the fluorescent powder of different colours using blue chip to realize that white light output is the mainstream of current White-light LED illumination
Scheme, but there is " efficiency rapid drawdown " phenomenon in blue-ray LED, i.e., with the increase of driving power density, light extraction efficiency is decayed quickly,
Blue-light LED chip can only work under lesser driving power density, generate lesser luminous flux.
The principle of luminosity of blue light laser diode (Laser DiodeLD) is stimulated radiation, and it is existing that there is no " efficiency rapid drawdowns "
As that can work under high driving power density, generate higher luminous flux.It can be obtained using the light source of LD than tens times of LED high
Brightness.For volume and the exclusive application of etendue, LD has inborn advantage as light source.Blue light LD conduct
Excitaton source has lot of advantages: (1) without " efficiency rapid drawdown " phenomenon, therefore can be reduced by improving the luminous intensity that goes out of one single chip
Cost of light source；(2) nearly monochromaticjty can match suitable fluorophor according to LD output wavelength to realize high conversion efficiency；(3) volume
It is smaller, brightness is higher, be easier to design terminal working flare；(4) there is better controllability, including photochromic adjustable, time and space can
Control etc..Blue light LD is likely to become the best replacer of blue-ray LED.
Currently, there are still certain technical problems for the solid state light emitter based on blue light LD, such as blue light LD chip and wavelength convert
Material heat dissipation problem, blue light LD safety issue, even light mixing problem etc..
Summary of the invention
The application provides a kind of light-source system and lighting device, realizes the white-light illuminating light of high-energy high brightness small size
Source, and can solve laser chip heat dissipation and wavelength conversion material radiate the problem of.
In order to solve the above technical problems, the technical solution that the application uses is: providing a kind of light-source system, the light
Source system includes: at least one laser light source, for emitting exciting light；Optical waveguide medium is set to going out for the laser light source
It penetrates in optical path, the optical waveguide medium is provided with optical microstructures on one side, the institute for that will be incident in the optical waveguide medium
Exciting light is stated to be totally reflected；Heat dissipation base, the first groove of the recessed formation of heat dissipation base, first bottom portion of groove are recessed
To form the second groove, first groove is for placing the optical waveguide medium；It is recessed to be set to described second for wavelength conversion layer
In slot, for the exciting light formation stimulated light that conversion portion is emitted from the optical waveguide medium, the stimulated light and not by institute
The exciting light for stating wavelength conversion layer conversion forms illumination light.
In order to solve the above technical problems, another technical solution that the application uses is: a kind of lighting device is provided, it is described
Any of the above-described light-source system of lighting device packet.
The beneficial effect of the application is: a kind of light-source system and lighting device is provided, by by laser source and wavelength convert
Layer is packaged together using same heat dissipation base, and by setting optical waveguide medium, so that by entering after optical waveguide medium
The laser of wavelength conversion layer is more uniform, while making through the mixed light that is emitted after wavelength conversion layer also more evenly, Ke Yishi
The white-light illuminating light source of existing high-energy high brightness small size, and can solve laser chip heat dissipation and wavelength conversion material heat dissipation
Problem.
Detailed description of the invention
Fig. 1 is the side structure schematic view of the application light-source system first embodiment；
Fig. 2 is the overlooking structure diagram of the application light-source system first embodiment；
Fig. 3 is the structural schematic diagram of the application optical microstructures first embodiment；
Fig. 4 is the structural schematic diagram of the application optical microstructures second embodiment；
Fig. 5 is the structural schematic diagram of the application optical microstructures third embodiment；
Fig. 6 is the structural schematic diagram of the 4th embodiment of the application optical microstructures；
Fig. 7 is the overlooking structure diagram of the second embodiment of the application light-source system；
Fig. 8 is the structural schematic diagram of one embodiment of the application lighting device.
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 clear that described embodiment is only a part of the embodiment of the application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Fig. 1 and Fig. 2 is please referred to, Fig. 1 is the lateral section structural schematic diagram of the first embodiment of the application light-source system,
Fig. 2 is the overlooking structure diagram of the first embodiment of the application light-source system, the light-source system 10 improved in this implementation
Include:
For emitting at least one laser light source 11 of exciting light, the exciting light for emitting laser light source 11 is passed
The optical waveguide medium 12 led and reflected conducts the exciting light reflected back and to exciting light for receiving optical waveguide medium 12
The wavelength conversion layer 13 of wavelength convert is carried out, for the heat dissipation base 14 of heat dissipation, and the structure of heat dissipation base 14 is specifically configured to
One groove.
Wherein, laser light source 11, are packaged on heat dissipation base 14, specifically can be the groove setting around heat dissipation base 14
In the surface of heat dissipation base 14, the laser light source in the present embodiment uses blue light laser diode.The application uses blue laser
Diode has the advantages that high-efficient, small in size, the service life is long, and the ray height issued is concentrated.In other embodiments, may be used
To use purple light laser diode, do not further limit herein.And the number of laser light source 11 can use one in the application
A or multiple, in the present embodiment, the number of laser light source 11 is two.
Optionally, in a specific embodiment, which can also include a laser shaping deflection device A, should
Laser shaping deflection device A is set on the emitting light path of laser light source 11, the excitation light for issuing to laser light source 11
Shu Jinhang shaping and deflection specifically can be and carries out shaping to exciting light light beam, so that excitation light beam divergence angle is effectively pressed
Contracting, becomes the light beam for the shape that meets the requirements, and the deflection angle of exciting light light beam is adjusted, so that exciting light light beam can be with
It is coupled into optical waveguide medium 12 according to certain angle.Optionally, the present embodiment, laser shaping deflection device A can be micro-
One of prism and micro- non-spherical lens.
Optical waveguide medium 12 is set on the emitting light path of laser light source 11, and optical waveguide medium 12 is provided with light on one side
Micro-structure B is learned, for the exciting light being incident in optical waveguide medium 12 to be totally reflected.
Optionally, optical waveguide medium 12 can be transparent low-consumption optical medium, and the optical waveguide medium 12 in the application
Side wall be provided with total reflection film (not shown), the total reflection film can make laser light source emit exciting light carry out low-angle
Transmission, stimulated light after wavelength conversion layer 13 and a part of exciting light that do not converted by scattering can be from light waves
Lead in 12 and be emitted, and this be not wavelength-converted layer 13 conversion exciting light with large angle incidence into optical waveguide medium 12, finally
Also it is emitted from optical waveguide.
In the present embodiment, optical waveguide medium 12 surrounding be arranged total reflection film so that the optical waveguide medium 12 formed it is humorous
Shake chamber, and the exciting light which issues is coupled into optical waveguide medium 12 by the total reflection film of 12 side wall of optical waveguide medium
In, to improve the utilization rate of blue laser, it can also be ultraviolet light in other embodiments certainly, the application does not do further limit
It is fixed.
Optionally, optical microstructures B can be Fresnel structure, the excitation for that will be incident on its surface in the application
Light is totally reflected, while optical microstructures B can also guarantee the light by its reflection in the separate institute of optical waveguide medium 12
It states optical microstructures B to be unsatisfactory for being totally reflected on one side, and then is incident in wavelength conversion layer 13.
Fresnel structure in the present embodiment can change as Exciting incidence degree changes, in specific embodiment
In, the incidence angle that the apex angle and exciting light of the Fresnel structure are incident in optical waveguide medium meets different total reflection conditions,
It is incremented by successively along its symmetrical center line or successively decrease along successively successively decrease variation, apex angle of its symmetrical center line specifically to can be set to apex angle
One of variation or apex angle are equal, and concrete condition is described as follows:
1. the incidence angle that exciting light is incident in optical waveguide medium is successively successively decreased, the apex angle of Fresnel structure along its it is symmetrical in
Heart line successively successively decreases variation.
It is the structural schematic diagram of the application optical microstructures first embodiment also referring to Fig. 3, Fig. 3.Such as Fig. 3 institute
Show, optical microstructures B can enable the light on surface incident thereon to be totally reflected, and guarantee simultaneously by upper surface
The light of reflection is unsatisfactory for full transmitting condition in lower surface, and can be emitted from the following table of optical waveguide medium 12, hence into arrive wave
In long conversion layer 13.In the present embodiment, double ribs of the Fresnel structure of the incident angle α and optical waveguide medium upper surface of exciting light
There are following relationships for mirror vertex angle theta:
Wherein, n is the refractive index of optical waveguide medium 12, and a is that exciting light is incident to the incidence angle in optical waveguide medium 12,
It is exactly the angle of exciting light Yu 12 horizontal direction of optical waveguide medium.Optionally, incidence angle a can be any model in 0 ° to 90 °
Enclose, in the present embodiment, incidence angle a be it is incremented by successively, that is, meet α1>α0>αm, then there are following relationships for the vertex angle theta of Fresnel structure
θ1>θ2>θm。
Referring to Figure 4 together, Fig. 4 is the structural schematic diagram of the application optical microstructures second embodiment.
As shown in figure 4, the optical microstructures B in the present embodiment is on the basis of optical microstructures first embodiment
It further expands, the optical microstructures B in the present embodiment can be periodic arrangement structure as shown in Figure 4, Fresnel structure
Vertex angle theta there are following relationship θ 1 > θ, 2 > θ m.Compared to first embodiment, advantage of this embodiment is that exciting light can be handed over
Fork is incident to the upper surface of optical waveguide medium 12, reflects through 12 upper surface of optical waveguide medium and is emitted from lower surface, so that irradiation
Exciting light on wavelength conversion layer 13 is more uniform.
2. the incidence angle that exciting light is incident in optical waveguide medium is successively successively decreased, the apex angle of Fresnel structure is equal.
It is the structural schematic diagram of the application optical microstructures third embodiment further referring to Fig. 5, Fig. 5.
As shown in figure 5, the optical microstructures B in the present embodiment is on the basis of optical microstructures first embodiment
Further expanding, the optical microstructures B in the present embodiment can be periodic arrangement structure as shown in Figure 5, Fresnel structure
Vertex angle theta there are following relationship θ 1=θ 2=θ m.And the maximum value of the incident angle of the apex angle and exciting light of optical microstructures B
amaxCorrelation, the two meet following relationship:
Wherein, n is the refractive index of optical waveguide medium 12, and such design can guarantee all excitations that excitation light source 11 emits
Light can be totally reflected in the upper surface of optical waveguide medium 12, and can be emitted from the lower surface of optical waveguide medium 12.Relatively
Optical microstructures in first embodiment, the processing of the Fresnel structure in the present embodiment is simpler to be easy, and can be arrived
Identical effect.
It is the structural schematic diagram of the 4th embodiment of the application optical microstructures further referring to Fig. 6, Fig. 6.
As shown in fig. 6, the optical microstructures B in the present embodiment is on the basis of optical microstructures first embodiment
It further expands, the optical microstructures B in the present embodiment can be periodic arrangement structure as shown in FIG. 6, Fresnel structure
Vertex angle theta meet it is as follows:
Wherein, n is the refractive index of optical waveguide medium 12, and the incident angle of the apex angle of optical microstructures B and exciting light
Maximum value amaxCorrelation, principle is similar to 3rd embodiment with above-mentioned first, and details are not described herein again.And the light in the present embodiment
The set-up mode of micro-structure B is learned relative to above-mentioned one to three embodiment, which can allow exciting light intersection to be incident to light
The upper surface of waveguide medium 12 can also reduce the complexity of processing technology to a certain extent.
The setting of the specific structure of above-mentioned optical microstructures can be done and change accordingly with the specific arrangement of excitation light source
Become, in the upper optical microstructures of optical waveguide medium 12 total reflection can occur with all exciting lights of excitation light source transmitting and from light
The lower surface of waveguide medium 12 is emitted.
Heat dissipation base 14, for enhancing heat dissipation, which is made of high heat conductive material, can specifically use nitrogen
Change one of aluminum substrate, silicon nitride board, silicon carbide substrate, boron nitride substrate, metal copper base and aluminum substrate, herein
It does not further limit.Optionally, the first groove X of the recessed formation of the heat dissipation base, the first bottom portion of groove are recessed to form second
Groove Y, the first groove X are for placing optical waveguide medium 12.Wherein, on the inner wall (including side wall and bottom wall) of the second groove Y
It is provided with reflecting layer D, reflecting layer D can use diffuse-reflective material in a particular embodiment, can also use metallic reflection
Material is made, certainly in other embodiments, can also by directly the inner wall of second groove using exciting light irradiation in a manner of,
Form it into rough diffusing reflection layer.
Wavelength conversion layer 13 is set in the second groove Y, the excitation being emitted from optical waveguide medium 12 for conversion portion
Light forms stimulated light, and stimulated light and the exciting light for not being wavelength-converted the conversion of layer 13 form illumination light.The wavelength conversion layer 13
Surface can do roughening treatment, to improve the light extraction efficiency of fluorescent material, reduce reflection loss when wide-angle graze.Having
In body embodiment, incident exciting light is eventually incident to the wavelength conversion layer 13 from optical waveguide medium 12, should by optimization
The concentration of fluorescent material, can be incident to the wavelength conversion layer 13 in the thickness in reflecting layer 13 and the fluorescent reflection layer 13
Part exciting light is converted to stimulated light, and a part of stimulated light is directly emitted from 12 lower surface of optical waveguide medium after mixing with laser,
It is generated after the reflection of the reflecting layer of the second groove Y inner wall by optical waveguide medium 12 after remaining exciting light and stimulated light mixing
Illumination light, and be emitted from optical waveguide medium 12.
In a particular embodiment, when using blue light laser diode as laser light source, which can be with
For yellow fluorescent material composition, yellow light is excited under the action of laser light source issues blue light, the yellow light and does not excite fluorescent material
Blue light obtain white-light illuminating light.In other embodiments, the material of the wavelength conversion layer 13 can also be red fluorescence
The mixing of material and green fluorescent material.
When using ultraviolet laser diode as laser light source, which can be at least two kinds of colors
Fluorescent material mix, be specifically as follows red-green-blue fluorescent material and mix, issue ultraviolet light in light source
White-light illuminating light is mixed to get under effect.It is of course also possible to be that the fluorescent material of two kinds of complementary colors each other mixes, such as yellow
+ blue fluorescent material, magenta+green fluorescent material, red+hanced cyan fluorescent material mixing, excitation is closed under the action of uv light
At white-light illuminating light.
The principle of above-mentioned light-source system is made a brief description below:
By taking blue laser light source as an example, the blue light that blue laser light source 11 issues is by laser shaping deflection device A to it
Deflection angle is incident to optical waveguide medium 12 after being adjusted, be incident on the optical microstructures B (Fei Nie of 12 upper surface of optical waveguide medium
Your structure) when be totally reflected, and the apex angle of the Fresnel structure is related to the incidence angle of exciting light, can be incident to this
The light of Fresnel structure can be totally reflected, and guarantee that the light reflected by upper surface is unsatisfactory for full transmitting in lower surface simultaneously
Condition, hence into wavelength conversion layer 13.Wherein, some blue light for being incident to the wavelength conversion layer 13 is converted to excitation Huang
Light, remaining blue light generate illumination light after mixing after the reflection of the reflecting layer of the second groove inner wall with excitation yellow light, and from light
It is emitted in waveguide medium 12, realizes white-light illuminating.
In above embodiment, by the way that laser light source and wavelength conversion layer are encapsulated into one using same heat dissipation base
It rises, and by setting optical waveguide medium, so that the laser for entering wavelength conversion layer after passing through optical waveguide medium is more uniform, simultaneously
So that also more evenly by the mixed light that is emitted after wavelength conversion layer, to realize the white-light illuminating light of high-energy high brightness small size
Source, and can solve laser chip heat dissipation and wavelength conversion material radiate the problem of.
Referring to Fig. 7, Fig. 7 is the overlooking structure diagram of the second embodiment of the application light-source system.In this implementation
The light-source system 20 improved includes: at least one laser light source 21, optical waveguide medium 22, heat dissipation base 24 and wavelength convert
Layer 23.
Wherein, laser light source 21, are packaged on heat dissipation base 24, specifically can be the first groove around heat dissipation base 24
It is set to the surface of heat dissipation base 24, the laser light source in the present embodiment uses blue light laser diode, with high-efficient, body
The advantage that product is small, the service life is long, and the ray height issued is concentrated.In other embodiments, two pole of purple light laser can also be used
Pipe, does not further limit herein.And the number of laser light source 21 can use one or more in the application, the present embodiment
In, the number of laser light source 21 is four.Certainly, in other embodiments, it can also be 8,12,16 etc., this
Place does not further limit.
The arrangement mode in two orientation, the laser in the present embodiment is arranged in middle laser light source compared to first embodiment
The surrounding of optical waveguide medium 22 is arranged in light source 21, it is advantageous that the exciting light that laser light source emits in the present embodiment passes through light
After waveguide medium 22 couples, irradiation that can be more uniform is on wavelength conversion layer 23.
Optical waveguide medium 22 is set on the emitting light path of laser light source 21, and optical waveguide medium 22 is provided with optics on one side
Micro-structure, for the exciting light being incident in optical waveguide medium 22 to be totally reflected.And the optical microstructures in the present embodiment
Setting it is related to the setting orientation of laser light source 21, can be occurred in 22 upper surface of optical waveguide medium with guaranteeing all exciting lights
Total reflection, and be emitted from the lower surface of optical waveguide medium 22.
Heat dissipation base 24, heat dissipation base the first groove of recessed formation, the first bottom portion of groove is recessed to form the second groove, the
One groove is for placing optical waveguide medium 22.
Wavelength conversion layer 23 is set in the second groove, the exciting light being emitted from optical waveguide medium for conversion portion
Stimulated light is formed, stimulated light and the exciting light for not being wavelength-converted layer conversion form illumination light.
The specific structure of light-source system and principle are detailed in the application light-source system first embodiment in above embodiment
In specific descriptions, do not repeating herein.
In above embodiment, by the way that laser light source and wavelength conversion layer are encapsulated into one using same heat dissipation base
It rises, and by setting optical waveguide medium, so that laser is more uniform by the laser for entering wavelength conversion layer after optical waveguide medium,
Simultaneously through the mixed light that is emitted after wavelength conversion layer also more evenly, the white light of high-energy high brightness small size to may be implemented
Lighting source, and can solve laser chip heat dissipation and wavelength conversion material radiate the problem of.
Referring to Fig. 8, Fig. 8 is the structural schematic diagram of one embodiment of the application lighting device.Illumination dress in the application
Setting 30 can be headlamp, stage lighting, the laser lamps such as car light, and that includes the light-source system E of any of the above-described structure, and the light
Source system E can with specific structure and realization principle may refer to the specific descriptions of above embodiment, details are not described herein again.
In conclusion passing through it should be readily apparent to one skilled in the art that the application provides a kind of light-source system and lighting device
Laser light source and wavelength conversion layer are packaged together using same heat dissipation base, high-energy high brightness small size may be implemented
White-light illuminating light source, and can solve laser chip heat dissipation and wavelength conversion material radiate the problem of.
The above is only presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize the application
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field similarly includes in the scope of patent protection of the application.
Claims (11)
1. a kind of light-source system, which is characterized in that the light-source system includes:
At least one laser light source, for emitting exciting light；
Optical waveguide medium is set on the emitting light path of the laser light source, and it is micro- that the optical waveguide medium is provided with optics on one side
Structure, for the exciting light being incident in the optical waveguide medium to be totally reflected；
Heat dissipation base, the first groove of the recessed formation of heat dissipation base, first bottom portion of groove is recessed to form the second groove,
First groove is for placing the optical waveguide medium；
Wavelength conversion layer is set in second groove, the excitation being emitted from the optical waveguide medium for conversion portion
Light forms stimulated light, and the stimulated light and the exciting light that do not converted by the wavelength conversion layer form illumination light.
2. light-source system according to claim 1, which is characterized in that the optical microstructures are Fresnel structure, described
The apex angle of Fresnel structure is related to the incidence angle that the exciting light is incident in the optical waveguide medium.
3. light-source system according to claim 2, which is characterized in that the exciting light is incident in the optical waveguide medium
Incidence angle successively successively decrease, the apex angle of the Fresnel structure successively successively decreases variation along its symmetrical center line.
4. light-source system according to claim 2, which is characterized in that the exciting light is incident in the optical waveguide medium
Incidence angle successively successively decrease, the apex angle of the Fresnel structure is equal.
5. according to the light-source system any in claim 2-4, which is characterized in that the vertex angle theta of the Fresnel structure are as follows:
Wherein, n is the refractive index of the optical waveguide medium, and a is that the exciting light is incident to the incidence in the optical waveguide medium
Angle.
6. according to the light-source system any in claim 2-4, which is characterized in that the vertex angle theta of the Fresnel structure are as follows:
Wherein, n is the refractive index of the optical waveguide medium, amaxIt is incident in the optical waveguide medium most for the exciting light
Big incidence angle.
7. according to the light-source system any in claim 2-4, which is characterized in that the vertex angle theta of the Fresnel structure are as follows:
Wherein, n is the refractive index of the optical waveguide medium, amaxIt is incident in the optical waveguide medium most for the exciting light
Big incidence angle.
8. light-source system according to claim 1, which is characterized in that the side wall of the optical waveguide medium, which is provided with, to be all-trans
Film is penetrated, for the exciting light to be coupled into the optical waveguide medium.
9. light-source system according to claim 1, which is characterized in that the light-source system further comprises reflecting layer, institute
State the inner wall that reflecting layer is set to second groove.
10. light-source system according to claim 1, which is characterized in that it further comprise laser shaping deflection device, it is described
Laser shaping deflection device is set between the laser light source and the optical waveguide medium.
11. a kind of lighting device, which is characterized in that the lighting device includes light according to any one of claims 1 to 10
Source system.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166393.1A CN110207025B (en) | 2018-02-28 | 2018-02-28 | Light source system and lighting device |
| PCT/CN2018/094730 WO2019165741A1 (en) | 2018-02-28 | 2018-07-06 | Light source system and lighting device |
| PCT/CN2018/095490 WO2019165747A1 (en) | 2018-02-28 | 2018-07-12 | Light source system and illumination apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166393.1A CN110207025B (en) | 2018-02-28 | 2018-02-28 | Light source system and lighting device |
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| Publication Number | Publication Date |
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| CN110207025A true CN110207025A (en) | 2019-09-06 |
| CN110207025B CN110207025B (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810166393.1A Active CN110207025B (en) | 2018-02-28 | 2018-02-28 | Light source system and lighting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110207025B (en) |
| WO (2) | WO2019165741A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530758A (en) * | 2022-01-19 | 2022-05-24 | 中国科学院上海微系统与信息技术研究所 | Preparation method of laser structure and structure thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11892143B2 (en) | 2019-12-03 | 2024-02-06 | Signify Holding B.V. | Compact laser beam combiner with micro-prism reflector |
| CN114877265B (en) * | 2022-05-06 | 2024-01-23 | 佛山电器照明股份有限公司 | Laser lighting device and manufacturing method thereof |
| CN116123485B (en) * | 2023-01-09 | 2024-07-05 | 福耀玻璃工业集团股份有限公司 | Vehicle window panel, vehicle window panel assembly and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102414850A (en) * | 2009-04-21 | 2012-04-11 | 皇家飞利浦电子股份有限公司 | Illumination device with phosphor |
| CN102770790A (en) * | 2010-01-20 | 2012-11-07 | 宗拓贝尔照明器材有限公司 | Optical waveguide plate comprising phosphorus-containing structure elements |
| JP2015008155A (en) * | 2009-12-28 | 2015-01-15 | シャープ株式会社 | Lighting device |
| US20150176791A1 (en) * | 2013-12-24 | 2015-06-25 | Hyundai Motor Company | Laser optical system for head lamp |
| CN205139526U (en) * | 2015-11-16 | 2016-04-06 | 北京工业大学 | Multiple tooth reflex conduction back bias module structure of blue light LD |
| CN106594550A (en) * | 2016-12-01 | 2017-04-26 | 徐州奕创光电科技有限公司 | Line light source |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010272304A (en) * | 2009-05-20 | 2010-12-02 | Alps Electric Co Ltd | Surface light-emitting device |
| CN102411206A (en) * | 2010-09-23 | 2012-04-11 | 鸿富锦精密工业（深圳）有限公司 | Projection system |
| JP2012094611A (en) * | 2010-10-26 | 2012-05-17 | Panasonic Corp | Lighting device |
| JP5968682B2 (en) * | 2012-05-24 | 2016-08-10 | シャープ株式会社 | Floodlight device and vehicle headlamp |
| US9581751B2 (en) * | 2013-01-30 | 2017-02-28 | Cree, Inc. | Optical waveguide and lamp including same |
| CN203190212U (en) * | 2013-03-21 | 2013-09-11 | 创维液晶器件(深圳)有限公司 | Backlight module |
| CN107561625A (en) * | 2016-06-30 | 2018-01-09 | 扬升照明股份有限公司 | Light source module group and light guide plate |
-
2018
- 2018-02-28 CN CN201810166393.1A patent/CN110207025B/en active Active
- 2018-07-06 WO PCT/CN2018/094730 patent/WO2019165741A1/en active Application Filing
- 2018-07-12 WO PCT/CN2018/095490 patent/WO2019165747A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102414850A (en) * | 2009-04-21 | 2012-04-11 | 皇家飞利浦电子股份有限公司 | Illumination device with phosphor |
| JP2015008155A (en) * | 2009-12-28 | 2015-01-15 | シャープ株式会社 | Lighting device |
| CN102770790A (en) * | 2010-01-20 | 2012-11-07 | 宗拓贝尔照明器材有限公司 | Optical waveguide plate comprising phosphorus-containing structure elements |
| US20150176791A1 (en) * | 2013-12-24 | 2015-06-25 | Hyundai Motor Company | Laser optical system for head lamp |
| CN205139526U (en) * | 2015-11-16 | 2016-04-06 | 北京工业大学 | Multiple tooth reflex conduction back bias module structure of blue light LD |
| CN106594550A (en) * | 2016-12-01 | 2017-04-26 | 徐州奕创光电科技有限公司 | Line light source |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530758A (en) * | 2022-01-19 | 2022-05-24 | 中国科学院上海微系统与信息技术研究所 | Preparation method of laser structure and structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019165741A1 (en) | 2019-09-06 |
| CN110207025B (en) | 2021-11-12 |
| WO2019165747A1 (en) | 2019-09-06 |
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