CN206478475U - A kind of high brightness laser excites visible light source device - Google Patents
A kind of high brightness laser excites visible light source device Download PDFInfo
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- CN206478475U CN206478475U CN201720123496.0U CN201720123496U CN206478475U CN 206478475 U CN206478475 U CN 206478475U CN 201720123496 U CN201720123496 U CN 201720123496U CN 206478475 U CN206478475 U CN 206478475U
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Abstract
The utility model belongs to photo structure field, and specially a kind of high brightness laser excites visible light source device, including solid state fluorescence conversion matrix, reflecting layer and radiator；The solid state fluorescence conversion matrix includes being used to receive the incidence surface of incident light, the exiting surface of output light and light reflection surface；Reflecting layer is overlying on the light reflection surface of solid state fluorescence conversion matrix；Radiator is overlying on reflecting layer outer surface, and it has high light intensity, simple compact mechanical structure and good stability.
Description
Technical field
The utility model belongs to photo structure field, and specially a kind of high brightness laser excites visible light source device.
Background technology
Current illumination market is being continuously increased to the demand of the high-power visible illumination of high density, and its application includes projection
Machine, digital camera, car lighting, stage lighting, Landscape Lighting etc..Common high-power high intensity light source except traditional thermal light source also
There is LED/light source, and laser has started to occur as novel illumination light source.Laser lighting has small volume, energy density high, structure
It is compact, the features such as projection distance is remote, will gradually replace conventional illumination sources in some fields, such as led in car light and Display Technique
Domain.
Visible light lasers are illuminated, and are divided into by principle following several：（1）Blue light excites fluorescent material to realize white-light illuminating；（2）
RGB Laser synthesizing white laser；（3）Laser adds LED mixing light source technologies.According to principle（2）The current cost of technology of formation
Higher, technical difficulty is bigger than normal, principle（3）The technology of formation is limited by the limit limitation that common LED goes out optical density in itself, highlighted
Degree illumination in terms of be short of, therefore blue light excite fluorescent material by be high brightness laser lighting source important directions.
And LASER Excited Fluorescence mainly excites the fluorescent material wheel rotated at a high speed in the case of high-power using blue light at present,
So as to form red, green, blue and yellow four-color light source.Blue laser is got to and green-yellow light is produced on the colour wheel for scribble fluorescence, but colour wheel during work
Rotation at a high speed and constantly oblongleaf kadsura stem or root heat are needed, the exquisite system for also needing other supporting, integral mechanical structure is complicated, easily loss.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of high brightness laser and excites visible light source device,
It has high light intensity, simple compact mechanical structure and good stability.
To realize above-mentioned technical purpose, the specific technical scheme that the utility model is taken is：A kind of high brightness laser swashs
Send out visible light source device, including solid state fluorescence conversion matrix, reflecting layer and radiator；The solid state fluorescence converts matrix bag
Include for receiving the incidence surface of incident light, the exiting surface of output light and light reflection surface；Reflecting layer is overlying on solid state fluorescence conversion base
On the light reflection surface of body；Radiator is overlying on reflecting layer outer surface.
As the improved technical scheme of the utility model, in addition to the incident light anti-reflection film matched with lambda1-wavelength, enter
Light anti-reflection film is penetrated to be overlying on the incidence surface of solid state fluorescence conversion matrix.
As the improved technical scheme of the utility model, in addition to the emergent light anti-reflection film matched with output light wavelength, go out
Light anti-reflection film is penetrated on the exiting surface that solid state fluorescence converts matrix.
As the improved technical scheme of the utility model, solid state fluorescence conversion matrix use Ce ions, Ti from
The YAG crystal of the multiple combinations doping of one or any mass ratio, Ce in son, Mn ions, Cr ions, Eu ions, Ga ions
The multiple combinations doping of one or any mass ratio in ion, Ti ions, Mn ions, Cr ions, Eu ions, Ga ions
One or any mass ratio is a variety of in LuAG crystal, Ce ions, Ti ions, Mn ions, Cr ions, Eu ions, Ga ions
One or any matter in the LuYAG crystal of combined dopants, Ce ions, Ti ions, Mn ions, Cr ions, Eu ions, Ga ions
Measure the TAG crystal of the multiple combinations doping of ratio, it is a kind of in Ce ions, Ti ions, Mn ions, Cr ions, Eu ions, Ga ions or
Any mass ratio of person multiple combinations doping YAGG crystal, Ce ions, Ti ions, Mn ions, Cr ions, Eu ions, Ga from
The GGG crystal of the multiple combinations doping of one or any mass ratio, crystalline ceramics, or clear glass in son.
As the improved technical scheme of the utility model, the volume of solid state fluorescence conversion matrix is not more than 1 cubic centimetre, shape
Shape is column, cuboid, halfpace shape or sheet.
As the improved technical scheme of the utility model, reflecting layer is plated film；Plated film includes being overlying on the multilayer of light reflection surface
The combined films of deielectric-coating, metal film, or deielectric-coating and metal film.
As the improved technical scheme of the utility model, the thickness of metal film is 0.2-2um.
As the improved technical scheme of the utility model, reflecting layer is the metal level that reflectivity is higher than 95%, metal level laminating
In on the light reflection surface that solid state fluorescence converts matrix.
As the improved technical scheme of the utility model, the material of radiator is red copper, aluminium or graphene.
The utility model beneficial effect
The light source power of light supply apparatus of the present utility model is adjustable, Wavelength tunable, if incident light elects blue laser as, incident
Blue laser maximum luminous power up to hectowatt rank；Refraction and reflection by visible light source device to incident light so that
The optical density of exiting surface output is high（Luminous flux is high）, and phototranstormation efficiency is good；Its steady state operating temperature is more than 200 DEG C.
Solid state fluorescence conversion matrix of the present utility model is covered with reflecting layer in reflecting surface, when with certain length（Usual 5
Millimeter）, solid state fluorescence conversion matrix cavity in itself have light uniforming device effect, can guarantee that emerging beam in spatial distribution
Uniformity.
Visible light source apparatus structure of the present utility model is simply compact, and performance is stable, and the machinery without high speed rotation dissipates
Heat structure.
Brief description of the drawings
The first structural representation of Fig. 1 the utility model visible light source devices；
Second of structural representation of Fig. 2 the utility model visible light source devices；
The third structural representation of Fig. 3 the utility model visible light source devices；
4th kind of structural representation of Fig. 4 the utility model visible light source devices；
In figure：1st, solid state fluorescence conversion matrix；2nd, radiator；3rd, incident light anti-reflection film；4th, emergent light anti-reflection film；5th, reflect
Layer；6th, incident light；7th, emergent light；Arrow represents the direction of light in figure.
Embodiment
To make the purpose and technical scheme of the utility model embodiment clearer, implement below in conjunction with the utility model
The accompanying drawing of example, the technical scheme to the utility model embodiment is clearly and completely described.Obviously, described embodiment
It is a part of embodiment of the present utility model, rather than whole embodiments.Based on described embodiment of the present utility model,
The every other embodiment that those of ordinary skill in the art are obtained on the premise of without creative work, belongs to this practicality
Novel protected scope.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein（Including technology art
Language and scientific terminology）With the general understanding identical meaning with the those of ordinary skill in the utility model art.Also
It should be understood that those terms defined in such as general dictionary should be understood that with the context of prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with idealization or excessively formal implication.
Embodiment
A kind of high brightness laser excites visible light source device, including solid state fluorescence to convert matrix 1, reflecting layer 5 and dissipate
Hot body 2；The solid state fluorescence conversion matrix 1 includes the incidence surface, the exiting surface of output light, Yi Jiguang for being used to receive incident light 6
Reflecting surface；Reflecting layer 5 is overlying on the light reflection surface of solid state fluorescence conversion matrix 1；Radiator 2 is overlying on the outer surface of reflecting layer 5.At this
Solid state fluorescence conversion matrix 1 is that laser light converts core, the solid state fluorescence conversion in visible light source device in embodiment
The incident light of specific wavelength can be converted into the emergent light of another wavelength by matrix 1 according to material difference, form white light or narrow ripple
The green glow and feux rouges of section；Specially there are a large amount of centres of luminescence in solid state fluorescence conversion matrix 1, these centres of luminescence are by exciting
The blue laser received can be efficiently converted into the light of another wavelength with emission process, incident light 6 is in the present embodiment
Blue laser, green-yellow light and part feux rouges are exported after being converted through solid state fluorescence conversion matrix 1 in exiting surface.And light reflection surface is overcoating
There is radiator 2, because solid state fluorescent material has higher thermal conductivity in itself, and its effective operating temperature is not less than 200 DEG C, matches somebody with somebody
Heat can effectively be distributed by closing good radiator 2, it is ensured that solid state fluorescent material matrix energy steady operation.
The matrix 1 of solid state fluorescence conversion in the present embodiment use Ce ions, Ti ions, Mn ions, Cr ions,
In Eu ions, Ga ions one or any mass ratio multiple combinations doping YAG crystal, Ce ions, Ti ions, Mn from
The LuAG crystal of the multiple combinations doping of one or any mass ratio, Ce ions, Ti in son, Cr ions, Eu ions, Ga ions
The LuYAG of the multiple combinations doping of one or any mass ratio is brilliant in ion, Mn ions, Cr ions, Eu ions, Ga ions
The multiple combinations of one or any mass ratio are mixed in body, Ce ions, Ti ions, Mn ions, Cr ions, Eu ions, Ga ions
One or any mass ratio is more in miscellaneous TAG crystal, Ce ions, Ti ions, Mn ions, Cr ions, Eu ions, Ga ions
Plant one or any in the YAGG crystal of combined dopants, Ce ions, Ti ions, Mn ions, Cr ions, Eu ions, Ga ions
The GGG crystal of the multiple combinations doping of mass ratio, crystalline ceramics, or clear glass.
The length for further having solid state fluorescence to convert matrix 1 is more than 5mm, and solid state fluorescence converts matrix 1 by incident light 6
Convert and export, in this process because solid state fluorescence conversion matrix 1 has certain length, with reference to light reflection surface so that
Solid state fluorescence conversion matrix 1 has the effect of light uniforming device, can guarantee that output light has good spatially uniform.
More specifically embodiment is, when incidence surface is non-same plane with exiting surface, in order to reduce at incidence surface
Intensity of reflected light, increases the intensity of transmitted light, and the ripple of incident light 6 is coated on the incidence surface for being additionally included in solid state fluorescence conversion matrix 1
The incident light anti-reflection film 3 of long matching.When incident light 6 is blue laser, the wavelength that incident light anti-reflection film 3 can be passed through selectively is
Blue light wavelength, is also referred to as blue light anti-reflection film by incident light anti-reflection film 3 here.In order to increase the output intensity of exiting surface green-yellow light,
The emergent light anti-reflection film 4 matched with output light wavelength is coated on the exiting surface for being additionally included in solid state fluorescence conversion matrix 1.
As shown in accompanying drawing 2 and accompanying drawing 3：
In the concrete application shown in accompanying drawing 2, solid state fluorescence conversion matrix 1 is cuboid, and size is 3 × 3 × 3mm3, its
Bottom surface is incidence surface, and a side is light reflection surface, and remaining multiaspect is exiting surface, incidence surface plating blue light anti-reflection film, exiting surface plating
Have behind green-yellow light anti-reflection film, light reflection surface degree reflecting layer 5, then cover radiator 2, reflecting layer 5 is plated film here, plated film includes being overlying on
The deielectric-coating of light reflection surface and the metal film being overlying on outside deielectric-coating, deielectric-coating are 20-90 layers of multilayer film.Radiator 2 is purple
Copper material.The light that the metal level that reflecting layer 5 can also be higher than 95% with reflectivity is directly fitted in solid state fluorescence conversion matrix reflects
On face.
In the concrete application shown in accompanying drawing 3, feux rouges solid state fluorescence conversion matrix 1 be cuboid, size be 3 × 3 ×
3mm3, including an incidence surface and an exiting surface, incidence surface is vertically arranged with exiting surface, and its lap is light reflection surface, in order to
Increase transmittance of the incidence surface to blue light, incidence surface is covered with blue light anti-reflection film, and exiting surface is covered with feux rouges anti-reflection film 4, and reflecting surface covers
There are reflection to red light layer 5 and radiator 2.Radiator 2 is red copper.
When incidence surface vertical line and exiting surface vertical line on the same line when, or incident light 6 with emergent light 7 same
When on one straight line, in order to increase transmittance of the incidence surface to blue light, the feux rouges density exported also for raising emergent light 7,
Incidence surface is not only provided with blue light anti-reflection film and is additionally provided with reflection to red light film, and outgoing feux rouges anti-reflection film 4 is additionally provided with exiting surface.
Concrete application as shown in Figure 1.By solid state fluorescence conversion matrix 1 from cylindric in accompanying drawing 1（Or post
Shape, cuboid, halfpace shape or sheet）Volume is not more than 1 cubic centimetre, and specific size is 5 × 8mm of Φ3, cylindric solid-state is glimmering
The bottom surface of light conversion matrix 1 is to be coated with blue light anti-reflection film and yellowish green optical reflection film on incidence surface, incidence surface, and end face is light extraction
Face, exiting surface is coated with green-yellow light anti-reflection film；Metal-coated membrane after the polishing of side, specially aluminium mirror coating.Here aluminium mirror coating
As reflecting layer 5,2 be metallic heat dissipating part, and indium metal is mingled between aluminium mirror coating and radiator is used for auxiliary heat conduction.
When incidence surface and exiting surface are located at the same face, its lap is all light reflection surface, concrete application as shown in Figure 4,
Solid state fluorescence conversion matrix 1 is laminated structure, and size is 2.6 × 3.2 × 0.3mm3, reflecting layer 5 is covered with light reflection surface with dissipating
Hot body 2.Reflecting layer 5 is metal film, and the thickness of metal film is 0.2-2um.The material of radiator 2 is red copper or graphene.
Embodiment of the present utility model is these are only, it describes more specific and detailed, but can not therefore understand
For the limitation to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, not taking off
On the premise of the utility model design, various modifications and improvements can be made, these belong to protection of the present utility model
Scope.
Claims (8)
1. a kind of high brightness laser excites visible light source device, it is characterised in that including solid state fluorescence conversion matrix, reflecting layer
And radiator；Solid state fluorescence conversion matrix include being used for receiving the incidence surface of incident light, the exiting surface of output light and
Light reflection surface；Reflecting layer is overlying on the light reflection surface of solid state fluorescence conversion matrix；Radiator is overlying on reflecting layer outer surface.
2. a kind of high brightness laser according to claim 1 excites visible light source device, it is characterised in that also including with
The incident light anti-reflection film of lambda1-wavelength matching, incident light anti-reflection film is overlying on the incidence surface of solid state fluorescence conversion matrix.
3. a kind of high brightness laser according to claim 1 excites visible light source device, it is characterised in that also including with
The emergent light anti-reflection film of output light wavelength matching, emergent light anti-reflection film is on the exiting surface that solid state fluorescence converts matrix.
4. a kind of high brightness laser according to claim 1 excites visible light source device, it is characterised in that solid state fluorescence
The volume of conversion matrix is not more than 1 cubic centimetre, is shaped as column, cuboid, halfpace shape or sheet.
5. a kind of high brightness laser according to claim 1 excites visible light source device, it is characterised in that reflecting layer is
Plated film；Plated film includes the combined films of the multilayer dielectric film for being overlying on light reflection surface, metal film, or deielectric-coating and metal film.
6. a kind of high brightness laser according to claim 5 excites visible light source device, it is characterised in that metal film
Thickness is 0.2-2um.
7. a kind of high brightness laser according to claim 1 excites visible light source device, it is characterised in that reflecting layer is
Reflectivity is higher than 95% metal level, and metal level is fitted on the light reflection surface of solid state fluorescence conversion matrix.
8. a kind of high brightness laser according to claim 1 excites visible light source device, it is characterised in that radiator
Material is red copper, aluminium or graphene.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720123496.0U CN206478475U (en) | 2017-02-10 | 2017-02-10 | A kind of high brightness laser excites visible light source device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720123496.0U CN206478475U (en) | 2017-02-10 | 2017-02-10 | A kind of high brightness laser excites visible light source device |
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| CN206478475U true CN206478475U (en) | 2017-09-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865502A (en) * | 2018-08-28 | 2020-03-06 | 青岛海信激光显示股份有限公司 | Laser light source device and laser projection system |
| CN110865503A (en) * | 2018-08-28 | 2020-03-06 | 青岛海信激光显示股份有限公司 | Fluorescent wheel, laser light source device and laser projection system |
-
2017
- 2017-02-10 CN CN201720123496.0U patent/CN206478475U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865502A (en) * | 2018-08-28 | 2020-03-06 | 青岛海信激光显示股份有限公司 | Laser light source device and laser projection system |
| CN110865503A (en) * | 2018-08-28 | 2020-03-06 | 青岛海信激光显示股份有限公司 | Fluorescent wheel, laser light source device and laser projection system |
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