CN105353578A - Light source system and application thereof - Google Patents
Light source system and application thereof Download PDFInfo
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- CN105353578A CN105353578A CN201510894446.8A CN201510894446A CN105353578A CN 105353578 A CN105353578 A CN 105353578A CN 201510894446 A CN201510894446 A CN 201510894446A CN 105353578 A CN105353578 A CN 105353578A
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- light
- wavelength conversion
- conversion layer
- transparency carrier
- source system
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- 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
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
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- 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
Abstract
The invention relates to a light source system and application thereof. The light source system comprises a laser, an interference filter, a first condenser lens, a light conversion device, a reflector, a second condenser lens, a dodging member, a radiating member and an actuator. The light conversion device comprises a transparent substrate, a wavelength conversion layer and a filter layer; the transparent substrate is rotatable; the filter layer is laminated on the transparent substrate and the filter layer is set around the edge of the transparent substrate for a round to form an annular structure; the wavelength conversion layer is laminated on the transparent substrate and the wavelength conversion layer is set in the middle of the transparent substrate; the radiating member is fixedly connected with the transparent substrate at the side far from the wavelength conversion layer; the actuator and the radiating member are fixedly connected; and the actuator can drive the transparent substrate to rotate through the radiating member. The projection system has the advantages of good heat radiation performance, therefore, the heat effect of the light conversion device in the fluorescence transition process can be improved, and the brightness of the light source system can be raised.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of light-source system and application thereof.
Background technology
At present, projector is widely used in the various application scenarios such as film broadcasting, meeting and publicity.As everyone knows, in the light source of projector, fluorescence colour wheel is usually adopted to provide sequence of colored lights.And current projector generally adopts fluorescent conversion type projection light source system, this light-source system generally needs to use the laser instrument of high power density to launch exciting light and sends fluorescence with fluorescence excitation colour wheel, but due to laser power higher, the heat produced is larger, and power more high heat is larger, make light-source system can produce a large amount of heat in fluorescence transfer process, and the heat dispersion of traditional light-source system is poor, heat in fluorescence transfer process can not distribute in time, fluorescence colour wheel is caused to produce serious thermal effect, the brightness of light-source system is made to be difficult to improve.
Summary of the invention
Based on this, be necessary the light-source system that a kind of good heat dispersion performance is provided.
In addition, the application of this light-source system is also provided.
A kind of light-source system, comprises laser instrument, interference filter, the first collector lens, light conversion device, catoptron, the second collector lens, even light part, radiating piece and actuator, wherein:
Described laser instrument is used for sending exciting light;
Described interference filter can filter described exciting light, with make blue light through;
Described first collector lens is between described interference filter and described light conversion device, and described first collector lens can collect the described blue light through described interference filter, to form blue beam;
Described light conversion device comprises transparency carrier, filter layer and wavelength conversion layer, and described transparency carrier is rotatable, and described filter layer is laminated on described transparency carrier, and described filter layer arranges one week to form a loop configuration along the edge of described transparency carrier; Described wavelength conversion layer is laminated on described transparency carrier, and described wavelength conversion layer is positioned at the middle part of described transparency carrier; Wherein, described blue beam can be penetrated on described wavelength conversion layer to excite described wavelength conversion layer to send fluorescence, and described wavelength conversion layer can by described fluorescent reflection on described first collector lens, described first collector lens can collect described fluorescence to form the first fluorescence beam, and described interference filter can reflect described first fluorescence beam; Described transparency carrier rotates and moves on described wavelength conversion layer with the hot spot making described blue beam be formed on described wavelength conversion layer;
Described catoptron can reflect described first fluorescence beam reflected through described interference filter;
Described second collector lens for collecting described first fluorescence beam that reflects through described catoptron to form the second fluorescence beam, and makes described second fluorescence beam on described filter layer, is filtered by described filter layer to make described second fluorescence beam;
Even light part is arranged near described filter layer, and described even light part is for collecting described second fluorescence beam of filtering through described filter layer;
Described radiating piece is fixedly connected with the side of described transparency carrier away from described wavelength conversion layer;
Described actuator is fixedly connected with described radiating piece, and described actuator drives described transparency carrier to rotate by described radiating piece.
Wherein in an embodiment, described radiating piece is the metalwork with fin.
Wherein in an embodiment, described filter layer is circular ring structure, described wavelength conversion layer is circular configuration, described wavelength conversion layer and the coaxial setting of described filter layer, and the central shaft of described wavelength conversion layer overlaps with the primary optical axis of described first collector lens, described radiating piece is fixedly connected with the projected position of the center of circle on described transparency carrier of described wavelength conversion layer, to make described transparency carrier rotatable around the primary optical axis of described first collector lens.
Wherein in an embodiment, described radiating piece has surface of contact, described surface of contact is fixedly connected with described transparency carrier, and described surface of contact is overlapping with the hot spot that described blue beam is formed on described wavelength conversion layer, and the area of described surface of contact is greater than the area of described hot spot.
Wherein in an embodiment, described filter layer is circular ring structure, described wavelength conversion layer is circular ring structure, described wavelength conversion layer and the coaxial setting of described filter layer, and the central shaft of described wavelength conversion layer is parallel with the primary optical axis of described first collector lens, described radiating piece is fixedly connected with the projected position of the described center of circle on described transparency carrier, to make described transparency carrier rotatable around the central shaft of described wavelength conversion layer.
Wherein in an embodiment, the circumference of described filter layer is separated into the filtered region of four fan ring-types, and four described filtered region be respectively for ruddiness through ruddiness filtered region, for green light green glow filtered region, for gold-tinted through gold-tinted filtered region and for blue light through blue light filtered region.
Wherein in an embodiment, the circumference of described wavelength conversion layer is separated into four light transition regions, and four described smooth transition regions are respectively ruddiness transition region, green glow transition region, gold-tinted transition region and blue light transition region, wherein, described ruddiness transition region and described ruddiness filtered region are oppositely arranged, and central angle corresponding to the described ruddiness transition region central angle corresponding with described ruddiness filtered region is equal; Described green glow transition region and described green glow filtered region are oppositely arranged, and central angle corresponding to the described green glow transition region central angle corresponding with described green glow filtered region is equal; Described gold-tinted transition region and described gold-tinted filtered region are oppositely arranged, and the central angle that the central angle that described gold-tinted transition region is corresponding is corresponding with described gold-tinted filtered region is equal; Described blue light transition region and described blue light filtered region are oppositely arranged, and the central angle that the central angle that described blue light transition region is corresponding is corresponding with described blue light filtered region is equal.
Wherein in an embodiment, described wavelength conversion layer is white light conversion layer.
Wherein in an embodiment, the material of described transparency carrier is selected from the one in sapphire, transparent aluminium nitride, transparent silicon carbide silicon single crystal flake, adamas, transparent aluminum-spinel and glass.
The application of above-mentioned light-source system in projector or illuminating lamp.
The wavelength conversion layer of the light conversion device of above-mentioned light-source system and filter layer are all arranged on the transparent substrate, and transparency carrier can strengthen the heat radiation of wavelength conversion layer, are conducive to the heat dispersion improving light conversion device; And wavelength conversion layer is positioned at the middle part of transparency carrier, filter layer arranges one week to form a loop configuration along the edge of transparency carrier, in other words, the width of transparency carrier is greater than the width of wavelength conversion layer, the heat radiation of wavelength conversion layer can be strengthened further, thus improve the heat dispersion of light conversion device further; Simultaneously, the transparency carrier of light conversion device is connected with actuator by radiating piece, transparency carrier is driven to rotate to make actuator by radiating piece, radiating piece can assist transparency carrier to dispel the heat, thus promote the heat radiation of light conversion device further, make above-mentioned light-source system have good heat dispersion, thus be conducive to improving the thermal effect of light conversion device in fluorescence transfer process, and be conducive to the brightness improving light-source system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the light-source system of an embodiment;
Fig. 2 is the structural representation of the light conversion device of the light-source system shown in Fig. 1;
Fig. 3 is the structural representation of another angle of the light conversion device shown in Fig. 2;
Fig. 4 is the structural representation of the light conversion device of the light-source system of two embodiments;
Fig. 5 is the structural representation of the light-source system of three embodiments;
Fig. 6 is the structural representation of the light conversion device of the light-source system shown in Fig. 5;
Fig. 7 is the structural representation of the light conversion device of the light-source system of four embodiments.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.
As shown in Figure 1, the light-source system 100 of an embodiment, this light-source system 100 can be used in projector or illuminating lamp.This light-source system 100 comprises laser instrument 110, interference filter 120, first collector lens 130, light conversion device 140, catoptron 150, second collector lens 160, even light part 170, radiating piece 180 and actuator 190.
Laser instrument 110 is for sending exciting light.
Interference filter 120 can filter exciting light, with make blue light through.
First collector lens 130 is between interference filter 120 and light conversion device 140, and the first collector lens 130 can collect the blue light through interference filter 120, to form blue beam.
Light conversion device 140 comprises transparency carrier 142, filter layer 144 and wavelength conversion layer 146.
Transparency carrier 142 circular structure.Concrete, the material of transparency carrier 142 is selected from the one in sapphire, transparent aluminium nitride, transparent silicon carbide silicon single crystal flake, adamas, transparent aluminum-spinel and glass; Preferably, the material of transparency carrier 142 is sapphire.Wherein, transparency carrier 142 is rotatable.
Specifically in the illustrated embodiment in which, the primary optical axis of the first collector lens 130 is vertical with transparency carrier 142, and the primary optical axis of the first collector lens 130 is through the center of circle of transparency carrier 142.Transparency carrier 142 is rotatable around the primary optical axis of the first collector lens 130.
Filter layer 144 is laminated on transparency carrier 142, and filter layer 144 arranges one week to form a loop configuration along the edge of transparency carrier 142.Wherein, filter layer 144 is circular ring structure.And the external diameter of filter layer 144 equals the diameter of transparency carrier 142.Concrete, filter layer 144 and transparency carrier 142 concentric are arranged.
See also Fig. 2, further, the circumference of filter layer 144 is separated into the filtered region 1442 of four fan ring-types, and four filtered region 1442 be respectively for ruddiness through ruddiness filtered region, for green light green glow filtered region, for gold-tinted through gold-tinted filtered region and for blue light through blue light filtered region.
Wavelength conversion layer 146 is laminated on transparency carrier 142, and wavelength conversion layer 146 is positioned at the middle part of transparency carrier 142.Wherein, blue beam can be penetrated and send fluorescence with excitation wavelength conversion layer 146 on wavelength conversion layer 146, and wavelength conversion layer 146 can by fluorescent reflection on the first collector lens 130, first collector lens 130 can collect fluorescence to form the first fluorescence beam, and interference filter 120 can reflect the first fluorescence beam.And the hot spot 10 that transparency carrier 142 rotates to make blue beam be formed on wavelength conversion layer 146 moves on wavelength conversion layer 146.
Concrete, wavelength conversion layer 146 is circular configuration.Wavelength conversion layer 146 and the coaxial setting of filter layer 144, and the central shaft of wavelength conversion layer 146 overlaps with the primary optical axis of the first collector lens 130.Namely the central shaft of filter layer 144 and transparency carrier 142 all overlaps with the central shaft of wavelength conversion layer 146.Wherein, transparency carrier 142 is formed with the surface of wavelength conversion layer 146 towards the first collector lens 130.And the diameter of wavelength conversion layer 146 equals the internal diameter of filter layer 144.Specifically in the illustrated embodiment in which, filter layer 144 and wavelength conversion layer 146 are positioned on the same surface of transparency carrier 142.Be appreciated that in other embodiments, wavelength conversion layer 146 and filter layer 144 also can be separately positioned on two relative surfaces of transparency carrier 142.
Further, the circumference of wavelength conversion layer 146 is separated into the light transition region 1462 of four fan shapes.Four light transition regions 1462 are respectively ruddiness transition region, green glow transition region, gold-tinted transition region and blue light transition region.Wherein, ruddiness transition region can launch ruddiness under the irradiation of blue light; Green glow transition region can launch green glow under the irradiation of blue light; Gold-tinted transition region can launch gold-tinted under the irradiation of blue light; Blue light transition region can send blue light under the irradiation of blue light.
Wherein, ruddiness transition region and ruddiness filtered region are oppositely arranged, and central angle corresponding to the ruddiness transition region central angle corresponding with ruddiness filtered region is equal.Green glow transition region and green glow filtered region are oppositely arranged, and central angle corresponding to the green glow transition region central angle corresponding with green glow filtered region is equal.Gold-tinted transition region and gold-tinted filtered region are oppositely arranged, and the central angle that the central angle that gold-tinted transition region is corresponding is corresponding with gold-tinted filtered region is equal.Blue light transition region and blue light filtered region are oppositely arranged, and the central angle that the central angle that blue light transition region is corresponding is corresponding with blue light filtered region is equal.Fluorescence ruddiness transition region being inspired by above-mentioned setting is smoothly by ruddiness filtered region, the fluorescence that green glow transition region is inspired can smoothly by green glow filtered region, the fluorescence that gold-tinted transition region is inspired can smoothly by gold-tinted filtered region, and the fluorescence that blue light transition region is inspired can smoothly by blue light filtered region.
See also Fig. 3, further, wavelength conversion layer 146 comprises reflection horizon 1464 and fluorescence coating 1466, and reflection horizon 1464 is laminated on transparency carrier 142, and fluorescence coating 1466 is laminated on reflection horizon 1464.Wherein, fluorescence coating 1466 can send fluorescence under the irradiation of blue light, and this fluorescent reflection can be gone out by reflection horizon 1464.Concrete, reflection horizon 1464 is metal level, such as silver layer or aluminium lamination.General, fluorescence coating 1466 is consistent with the size shape in reflection horizon 1464.Concrete, the circumference of fluorescence coating 1466 is separated into the light transition region 1462 of four fan shapes.
Be appreciated that wavelength conversion layer 146 is also not limited to be separated into said structure, in other embodiments, wavelength conversion layer 146 is white light conversion layer.The fluorescence of white is launched in the meeting under the exciting of blue light of white light conversion layer.Or wavelength conversion layer 146 is not limited to be separated into above-mentioned four kinds of light transition regions, can design the color of the quantity of light transition region and the light of conversion in practical operation as required.Or, wavelength conversion layer 146 also can not be above-mentioned circular configuration, in other embodiments, wavelength conversion layer 146 also can be circular ring structure, now, the still coaxial setting of wavelength conversion layer 146 and filter layer 144, the primary optical axis of the first collector lens 130 is parallel with the central shaft of wavelength conversion layer 146.
Wherein, above-mentioned light conversion device 140 prepares by following method: at the middle part of transparency carrier 142 coating reflection slurry, drying forms reflection horizon base substrate.Reflection horizon base substrate is formed fluorescence coating base substrate, through sintering, obtains forming wavelength conversion layer 146.At transparency carrier 142 edge, one week plating interference light filtering film, to form filter layer 144, obtains light conversion device 140.Wherein, reflecting slurry can be silver slurry or aluminium paste.Baking temperature is 100 ~ 200 DEG C.Wherein, it can be directly on the base substrate of reflection horizon, apply fluorescent slurry to obtain that reflection horizon base substrate is formed fluorescence coating base substrate, also can be directly sticked on the base substrate of reflection horizon by the fluorescence coating base substrate prepared.
Catoptron 150 can reflect the first fluorescence beam reflected through interference filter 120.
Second collector lens 160 can collect the first fluorescence beam of reflecting through catoptron 150 to form the second fluorescence beam, and makes the second fluorescence beam be mapped on filter layer 144, is filtered to make the second fluorescence beam by filter layer 144.
Even light part 170 is arranged near filter layer 144.Even light part 170 is for collecting the second fluorescence beam after filter layer 144 filters.Concrete in the present embodiment, even light part 170 for cross section be foursquare club shaped structure.
Concrete, laser instrument 110, interference filter 120, first collector lens 130 and the second collector lens 160 are all positioned at the same side of transparency carrier 142, and even light part 170 is positioned at the opposite side of transparency carrier 142.
Radiating piece 180 is fixedly connected with the side of transparency carrier 142 away from wavelength conversion layer 146.Wherein, radiating piece 180 is fixed on transparency carrier 142 by heat-conducting glue, sintering silver or scolding tin.
Wherein, radiating piece 180 is fixedly connected with the projected position of the center of circle on transparency carrier 142 of wavelength conversion layer 146, to make transparency carrier 142 rotatable around the primary optical axis of the first collector lens 130.Namely radiating piece 180 is fixedly connected with the center of transparency carrier 142.Wherein, radiating piece 180 and wavelength conversion layer 146 lay respectively at the both sides of transparency carrier 142.
Further, radiating piece 180 has surface of contact, surface of contact is fixedly connected with transparency carrier 142, surface of contact is overlapping with the hot spot 10 that blue beam is formed on wavelength conversion layer 146, and the area of surface of contact is greater than the area of hot spot 10, thus when light-source system 100 is worked, transparency carrier 142 is in the process rotated, the hot spot 10 of blue beam is radiated at the center of wavelength conversion layer 146 all the time, namely the hot spot 10 of blue beam is all the time in the center of transparency carrier 142, and radiating piece 180 is also positioned at the center of transparency carrier 142, heat can be distributed by radiating piece 180 in time.
Further, radiating piece 180 is for having the metalwork of fin.Wherein, radiating piece 180 is the good metal of heat conductivility, such as, and aluminium, copper or aluminium alloy.
Actuator 190 is fixedly connected with radiating piece 180, and actuator 190 drives transparency carrier 142 to rotate by radiating piece 180.Concrete, actuator 190 is motor.Radiating piece 180 is fixed on the rotor of motor.
The course of work of above-mentioned light-source system 100 is as follows:
Actuator 190 drives radiating piece 180 to rotate, radiating piece 180 drives the transparency carrier 142 of light conversion device 140 to rotate, laser instrument 110 sends exciting light, exciting light is irradiated on interference filter 120, interference filter 120 filters exciting light, and make blue light through, through blue light through first collector lens 130 collect receive after form blue beam, blue beam is mapped to the center of wavelength conversion layer 146, and excitation wavelength conversion layer 146 sends fluorescence, fluorescence is mapped on the first collector lens 130, collected to form the first fluorescence beam by the first collector lens 130, first fluorescence beam is successively after interference filter 120 and catoptron 150 reflect, to form the second fluorescence beam after being collected by the second collector lens 160, after second fluorescence beam is filtered by filter layer 144, collected by even light part 170.
Above-mentioned light-source system 100 has following beneficial effect at least:
(1) because laser instrument 110 has higher power, the heat produced is larger, and power more high heat is larger, light-source system 100 is made to produce a large amount of heat in fluorescence transfer process, and the heat dispersion of traditional light-source system 100 is poor, heat in fluorescence transfer process can not distribute in time, causes light conversion device 140 to produce serious thermal effect, makes the brightness of light-source system 100 be difficult to improve.And the wavelength conversion layer 146 of the light conversion device 140 of above-mentioned light-source system 100 and filter layer 144 are all arranged on transparency carrier 142, transparency carrier 142 can strengthen the heat radiation of wavelength conversion layer 146, is conducive to the heat dispersion improving light conversion device 140; And wavelength conversion layer 146 is positioned at the middle part of transparency carrier 142, filter layer 144 arranges one week to form a loop configuration along the edge of transparency carrier 142, in other words, the width of transparency carrier 142 is greater than the width of wavelength conversion layer 146, the heat radiation of wavelength conversion layer 146 can be strengthened further, thus improve the heat dispersion of light conversion device 140 further; Simultaneously, the transparency carrier 142 of light conversion device 140 is connected with actuator 190 by radiating piece 180, transparency carrier 142 is driven to rotate to make actuator 190 by radiating piece 180, radiating piece 180 can assist transparency carrier 142 to dispel the heat, thus promote the heat radiation of the light conversion device 140 of light-source system 100 further, above-mentioned light-source system 100 is made to have good heat dispersion, thus be conducive to improving the thermal effect of light conversion device 140 in fluorescence transfer process, and be conducive to the brightness improving light-source system 100.
(2) above-mentioned light-source system 100 is by being set to circular configuration by wavelength conversion layer 146, filter layer 144 is set to circular ring structure, and wavelength conversion layer 146 and the coaxial setting of filter layer 144, the primary optical axis of the first collector lens 130 overlaps with the central shaft of wavelength conversion layer 146, radiating piece 180 is fixedly connected with the projected position of the center of circle on transparency carrier 142 of wavelength conversion layer 146, to make transparency carrier 142 rotatable around the primary optical axis of the first collector lens 130, and the area of hot spot 10 that blue beam is formed on wavelength conversion layer 146 is less than the area of the surface of contact of radiating piece 180, and this hot spot 10 is overlapping with surface of contact, thus when light-source system 100 is worked, transparency carrier 142 is in the process rotated, the center of the hot spot 10 of blue beam illumination wavelength conversion layer 146 all the time, namely the hot spot 10 of blue beam is all the time in the center of transparency carrier 142, and radiating piece 180 is also positioned at the center of transparency carrier 142, heat can be distributed by radiating piece 180 in time, further increase the heat dispersion of light-source system 100, the thermal effect of light conversion device 140 is further improved.Meanwhile, the light conversion device 140 of this structure can also realize the miniaturization of light conversion device 140, to realize the miniaturization of light-source system 100.
(3) the first collector lens 130 of above-mentioned light-source system 100 is both for collecting the blue light through interference filter 120, again for collecting the fluorescence reflected by reflection horizon 1464, and interference filter 120 is both for filtering exciting light, again for reflecting the first fluorescence beam after the first collector lens 130 is collected, simplify the structure of light-source system 100, make the structure of light-source system 100 more compact.
Refer to Fig. 4, the structure of the structure of the light-source system of two embodiments and the light-source system of an embodiment is similar, and difference is only that the wavelength conversion layer 210 of the light conversion device 200 of the light-source system of two embodiments is white light conversion layer.White light conversion layer can send white light under the irradiation of blue light.
Because the structure of the structure of the light-source system of two embodiments and the light-source system of an embodiment is similar, there is the advantage that the light-source system of an embodiment is identical.
See also Fig. 5 and Fig. 6, the structure of the structure of the light-source system 300 of three embodiments and the light-source system of an embodiment is similar, difference is only that the wavelength conversion layer 312 of the light conversion device 310 of the light-source system 300 of two embodiments is circular ring structure, wavelength conversion layer 312 and the coaxial setting of filter layer 314, the central shaft of wavelength conversion layer 312 is parallel with the primary optical axis of the first collector lens 320, radiating piece 330 is fixedly connected with the projected position of the center of circle on transparency carrier 316 of wavelength conversion layer 312, to make transparency carrier 316 rotatable around the central shaft of wavelength conversion layer 312.Wherein, the circumference of wavelength conversion layer 312 is separated into the light transition region 3122 of four fan ring-types.
Now, the external diameter of wavelength conversion layer 312 equals the internal diameter of filter layer 314.Blue beam forms hot spot 30 near filter layer 314 on wavelength conversion layer 312, to strengthen the convection heat transfer of wavelength conversion layer 312 and surrounding air by increasing the linear velocity of blue beam on wavelength conversion layer 312, to reach the effect of the heat dispersion improving light conversion device 310.
Because the structure of the structure of the light-source system 300 of three embodiments and the light-source system of an embodiment is similar, also there is the effect that the light-source system of an embodiment is similar.
See also Fig. 7, the structure of the light-source system of four embodiments and the light-source system of three embodiments is similar, and difference is only that the wavelength conversion layer 410 of the light conversion device 400 of the light-source system of four embodiments is white light conversion layer.
Because the structure of the structure of the light-source system of four embodiments and the light-source system of three embodiments is similar, there is the advantage that the light-source system of three embodiments is identical.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a light-source system, is characterized in that, comprises laser instrument, interference filter, the first collector lens, light conversion device, catoptron, the second collector lens, even light part, radiating piece and actuator, wherein:
Described laser instrument is used for sending exciting light;
Described interference filter can filter described exciting light, with make blue light through;
Described first collector lens is between described interference filter and described light conversion device, and described first collector lens can collect the described blue light through described interference filter, to form blue beam;
Described light conversion device comprises transparency carrier, filter layer and wavelength conversion layer, and described transparency carrier is rotatable, and described filter layer is laminated on described transparency carrier, and described filter layer arranges one week to form a loop configuration along the edge of described transparency carrier; Described wavelength conversion layer is laminated on described transparency carrier, and described wavelength conversion layer is positioned at the middle part of described transparency carrier; Wherein, described blue beam can be penetrated on described wavelength conversion layer to excite described wavelength conversion layer to send fluorescence, and described wavelength conversion layer can by described fluorescent reflection on described first collector lens, described first collector lens can collect described fluorescence to form the first fluorescence beam, and described interference filter can reflect described first fluorescence beam; Described transparency carrier rotates and moves on described wavelength conversion layer with the hot spot making described blue beam be formed on described wavelength conversion layer;
Described catoptron can reflect described first fluorescence beam reflected through described interference filter;
Described second collector lens for collecting described first fluorescence beam that reflects through described catoptron to form the second fluorescence beam, and makes described second fluorescence beam on described filter layer, is filtered by described filter layer to make described second fluorescence beam;
Even light part is arranged near described filter layer, and described even light part is for collecting described second fluorescence beam of filtering through described filter layer;
Described radiating piece is fixedly connected with the side of described transparency carrier away from described wavelength conversion layer;
Described actuator is fixedly connected with described radiating piece, and described actuator drives described transparency carrier to rotate by described radiating piece.
2. light-source system according to claim 1, is characterized in that, described radiating piece is the metalwork with fin.
3. light-source system according to claim 1, it is characterized in that, described filter layer is circular ring structure, described wavelength conversion layer is circular configuration, described wavelength conversion layer and the coaxial setting of described filter layer, and the central shaft of described wavelength conversion layer overlaps with the primary optical axis of described first collector lens, described radiating piece is fixedly connected with the projected position of the center of circle on described transparency carrier of described wavelength conversion layer, to make described transparency carrier rotatable around the primary optical axis of described first collector lens.
4. light-source system according to claim 3, it is characterized in that, described radiating piece has surface of contact, described surface of contact is fixedly connected with described transparency carrier, described surface of contact is overlapping with the hot spot that described blue beam is formed on described wavelength conversion layer, and the area of described surface of contact is greater than the area of described hot spot.
5. light-source system according to claim 1, it is characterized in that, described filter layer is circular ring structure, described wavelength conversion layer is circular ring structure, described wavelength conversion layer and the coaxial setting of described filter layer, and the central shaft of described wavelength conversion layer is parallel with the primary optical axis of described first collector lens, described radiating piece is fixedly connected with the projected position of the described center of circle on described transparency carrier, to make described transparency carrier rotatable around the central shaft of described wavelength conversion layer.
6. the light-source system according to claim 3 or 5, it is characterized in that, the circumference of described filter layer is separated into the filtered region of four fan ring-types, and four described filtered region be respectively for ruddiness through ruddiness filtered region, for green light green glow filtered region, for gold-tinted through gold-tinted filtered region and for blue light through blue light filtered region.
7. light-source system according to claim 6, it is characterized in that, the circumference of described wavelength conversion layer is separated into four light transition regions, and four described smooth transition regions are respectively ruddiness transition region, green glow transition region, gold-tinted transition region and blue light transition region, wherein, described ruddiness transition region and described ruddiness filtered region are oppositely arranged, and central angle corresponding to the described ruddiness transition region central angle corresponding with described ruddiness filtered region is equal; Described green glow transition region and described green glow filtered region are oppositely arranged, and central angle corresponding to the described green glow transition region central angle corresponding with described green glow filtered region is equal; Described gold-tinted transition region and described gold-tinted filtered region are oppositely arranged, and the central angle that the central angle that described gold-tinted transition region is corresponding is corresponding with described gold-tinted filtered region is equal; Described blue light transition region and described blue light filtered region are oppositely arranged, and the central angle that the central angle that described blue light transition region is corresponding is corresponding with described blue light filtered region is equal.
8. light-source system according to claim 6, is characterized in that, described wavelength conversion layer is white light conversion layer.
9. light-source system according to claim 1, is characterized in that, the material of described transparency carrier is selected from the one in sapphire, transparent aluminium nitride, transparent silicon carbide silicon single crystal flake, adamas, transparent aluminum-spinel and glass.
10. the application of light-source system as claimed in any one of claims 1 to 9 wherein in projector or illuminating lamp.
Priority Applications (1)
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