CN105353578B - Light-source system and its application - Google Patents

Light-source system and its application Download PDF

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Publication number
CN105353578B
CN105353578B CN201510894446.8A CN201510894446A CN105353578B CN 105353578 B CN105353578 B CN 105353578B CN 201510894446 A CN201510894446 A CN 201510894446A CN 105353578 B CN105353578 B CN 105353578B
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China
Prior art keywords
light
wavelength conversion
transparency carrier
conversion layer
layer
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CN201510894446.8A
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Chinese (zh)
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CN105353578A (en
Inventor
杨阳
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杨阳
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Publication of CN105353578B publication Critical patent/CN105353578B/en

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2006Lamp housings characterised by the light source
    • G03B21/2033LED or laser light sources
    • G03B21/204LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • G02B5/28Interference filters
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings

Abstract

The present invention relates to a kind of light-source system and its application.The light-source system includes laser, interferometric filter, first collector lens, light conversion device, speculum, the second collector lens, even light part, radiating piece and actuator.Wherein, light conversion device includes transparency carrier, wavelength conversion layer and filter layer, and transparency carrier is rotatable;Filter layer is laminated on transparency carrier, and edge of the filter layer along transparency carrier sets one week to form a loop configuration;Wavelength conversion layer is laminated on transparency carrier, and wavelength conversion layer is located at the middle part of transparency carrier;Radiating piece is fixedly connected with side of the transparency carrier away from wavelength conversion layer;Actuator is fixedly connected with radiating piece, and actuator can drive transparency carrier to rotate by radiating piece.Above-mentioned optical projection system has preferable heat dispersion, so as to be conducive to improving fuel factor of the light conversion device in fluorescence transfer process, and is conducive to improving the brightness of light-source system.

Description

Light-source system and its application

Technical field

The present invention relates to lighting field, more particularly to a kind of light-source system and its application.

Background technology

At present, projecting apparatus is widely used in the various application scenarios such as film broadcasting, meeting and publicity.It is well known that In the light source of projecting apparatus, generally sequence of colored lights is provided using fluorescence colour wheel.And current projecting apparatus is typically turned using fluorescence Projection light source of remodeling system, this light-source system generally requires glimmering to excite using the laser transmitting exciting light of high power density Photochromic wheel sends fluorescence, and higher yet with laser power, the heat of generation is larger, and power more high heat is bigger so that Light-source system can produce substantial amounts of heat in fluorescence transfer process, and the heat dispersion of traditional light-source system is poor, in fluorescence Heat in transfer process can not be distributed in time, cause fluorescence colour wheel to produce serious fuel factor so that light-source system Brightness is difficult to improve.

The content of the invention

Based on this, it is necessary to provide a kind of light-source system of good heat dispersion performance.

In addition, also providing the application of the light-source system.

A kind of light-source system, including laser, interferometric filter, first collector lens, light conversion device, speculum, Two collector lenses, even light part, radiating piece and actuator, wherein:

The laser is used to send exciting light;

The interferometric filter may filter that the exciting light, so that blue light is passed through;

The first collector lens are located between the interferometric filter and the light conversion device, and first optically focused is saturating Mirror collects the blue light through the interferometric filter, to form blue beam;

The light conversion device includes transparency carrier, filter layer and wavelength conversion layer, and the transparency carrier is rotatable, described Filter layer is laminated on the transparency carrier, and edge of the filter layer along the transparency carrier sets one week to form a ring Shape structure;The wavelength conversion layer is laminated on the transparency carrier, and the wavelength conversion layer is located at the transparency carrier Middle part;Wherein, the blue beam can penetrate on the wavelength conversion layer to excite the wavelength conversion layer to send fluorescence, it is and described Wavelength conversion layer can be by the fluorescent reflection to the first collector lens, and the first collector lens collect the fluorescence To form the first fluorescence beam, the interferometric filter can reflect first fluorescence beam;The transparency carrier is rotated so that described The hot spot that blue beam is formed on the wavelength conversion layer is moved on the wavelength conversion layer;

The speculum can reflect first fluorescence beam reflected through the interferometric filter;

It is glimmering to form second that second collector lens is used for first fluorescence beam of the collection through speculum reflection Light beam, and make the second fluorescence beam on the filter layer, so that second fluorescence beam is filtered by the filter layer;

Even light part is set close to the filter layer, and the even light part is used to collect described second filtered through the filter layer Fluorescence beam;

The radiating piece is fixedly connected with side of the transparency carrier away from the wavelength conversion layer;

The actuator is fixedly connected with the radiating piece, and the actuator can be described by radiating piece drive Bright substrate rotating.

In one of the embodiments, the radiating piece is the metalwork with fin.

In one of the embodiments, the filter layer is circular ring structure, and the wavelength conversion layer is circular configuration, described Wavelength conversion layer is coaxial with the filter layer to be set, and the central shaft of the wavelength conversion layer and the master of the first collector lens Optical axis coincidence, the projected position of the center of circle of the radiating piece and the wavelength conversion layer on the transparency carrier is fixedly connected, So that the transparency carrier is rotatable around the primary optical axis of the first collector lens.

In one of the embodiments, the radiating piece has contact surface, and the contact surface is fixed with the transparency carrier Connection, the contact surface is overlapping with the hot spot that the blue beam is formed on the wavelength conversion layer, and the face of the contact surface Area of the product more than the hot spot.

In one of the embodiments, the filter layer is circular ring structure, and the wavelength conversion layer is circular ring structure, described Wavelength conversion layer is coaxial with the filter layer to be set, and the central shaft of the wavelength conversion layer and the master of the first collector lens Optical axis is parallel, and projected position of the radiating piece with the center of circle on the transparency carrier is fixedly connected, so that described transparent Substrate is rotatable around the central shaft of the wavelength conversion layer.

In one of the embodiments, the circumference of the filter layer is divided into the filtered region of four fan ring-types, and four The individual filtered region is respectively the feux rouges filtered region for feux rouges transmission, the green glow filtered region for green light, for gold-tinted The gold-tinted filtered region of transmission and the blue light filtered region passed through for blue light.

In one of the embodiments, the circumference of the wavelength conversion layer is divided into four light transition regions, and four The smooth transition region is respectively feux rouges transition region, green glow transition region, gold-tinted transition region and blue light transition region, its In, the feux rouges transition region is oppositely arranged with the feux rouges filtered region, and the corresponding central angle of the feux rouges transition region Central angle corresponding with the feux rouges filtered region is equal;The green glow transition region is relative with the green glow filtered region to be set Put, and the corresponding central angle of green glow transition region central angle corresponding with the green glow filtered region is equal;The gold-tinted Transition region is oppositely arranged with the gold-tinted filtered region, and the corresponding central angle of gold-tinted transition region and the gold-tinted filter The corresponding central angle in region is equal;The blue light transition region is oppositely arranged with the blue light filtered region, the blue light conversion The corresponding central angle in region central angle corresponding with the blue light filtered region is equal.

In one of the embodiments, the wavelength conversion layer is white light conversion layer.

In one of the embodiments, the material of the transparency carrier is selected from sapphire, transparent aluminium nitride, translucent silicon carbide One kind in single-chip, diamond, transparent aluminum-spinel and glass.

Application of the above-mentioned light-source system in projector or illuminating lamp.

The wavelength conversion layer and filter layer of the light conversion device of above-mentioned light-source system are respectively provided with the transparent substrate, transparent base Plate can strengthen the radiating of wavelength conversion layer, be conducive to improving the heat dispersion of light conversion device;And wavelength conversion layer is located at thoroughly The middle part of bright substrate, edge of the filter layer along transparency carrier sets one week to form a loop configuration, in other words, transparency carrier Width be more than wavelength conversion layer width, the radiating of wavelength conversion layer can be further enhanced, thus further improve light turn The heat dispersion of changing device;Meanwhile, the transparency carrier of light conversion device is connected by radiating piece with actuator, so that actuator is logical Crossing radiating piece drives transparency carrier to rotate, and radiating piece can aid in transparency carrier to radiate, so as to further promote light conversion device Radiating so that above-mentioned light-source system has preferable heat dispersion, thus be conducive to improve light conversion device fluorescence change During fuel factor, and be conducive to improve light-source system brightness.

Brief description of the drawings

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, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing Give the preferred embodiment of the present invention.But, the present invention can be realized in many different forms, however it is not limited to herein Described embodiment.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more saturating It is thorough comprehensive.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are for illustrative purposes only.

Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.

As shown in figure 1, the light-source system 100 of an embodiment, the light-source system 100 can be used for projecting apparatus or illuminating lamp In.The light-source system 100 includes laser 110, interferometric filter 120, first collector lens 130, light conversion device 140, anti- Penetrate mirror 150, the second collector lens 160, even light part 170, radiating piece 180 and actuator 190.

Laser 110 is used to send exciting light.

Interferometric filter 120 may filter that exciting light, so that blue light is passed through.

First collector lens 130 are located between interferometric filter 120 and light conversion device 140, and first collector lens 130 can The blue light through interferometric filter 120 is collected, to form blue beam.

Light conversion device 140 includes transparency carrier 142, filter layer 144 and wavelength conversion layer 146.

The circular structure of transparency carrier 142.Specifically, the material of transparency carrier 142 is selected from sapphire, transparent nitridation One kind in aluminium, transparent silicon carbide silicon single crystal flake, diamond, transparent aluminum-spinel and glass;Preferably, transparency carrier 142 Material is sapphire.Wherein, transparency carrier 142 is rotatable.

Specifically in the illustrated embodiment, the primary optical axis of first collector lens 130 is vertical with transparency carrier 142, and first The primary optical axis of collector lens 130 passes through the center of circle of transparency carrier 142.Primary optical axis of the transparency carrier 142 around first collector lens 130 Rotatably.

Filter layer 144 is laminated on transparency carrier 142, and edge of the filter layer 144 along transparency carrier 142 set one week with Form a loop configuration.Wherein, filter layer 144 is circular ring structure.And the external diameter of filter layer 144 is equal to the straight of transparency carrier 142 Footpath.Specifically, filter layer 144 is set with the concentric of transparency carrier 142.

Also referring to Fig. 2, further, the circumference of filter layer 144 is divided into the filtered region of four fan ring-types 1442, and four filtered regions 1442 are respectively feux rouges filtered region, the green glow filter area for green light passed through for feux rouges Domain, the gold-tinted filtered region passed through for gold-tinted and the blue light filtered region passed through for blue light.

Wavelength conversion layer 146 is laminated on transparency carrier 142, and wavelength conversion layer 146 is located in transparency carrier 142 Portion.Wherein, blue beam can be penetrated in sending fluorescence, and wavelength conversion layer on wavelength conversion layer 146 with excitation wavelength conversion layer 146 146 can be by fluorescent reflection to first collector lens 130, and first collector lens 130 collect fluorescence to form the first fluorescence beam, Interferometric filter 120 can reflect the first fluorescence beam.And transparency carrier 142 is rotated so that blue beam shape on wavelength conversion layer 146 Into hot spot 10 moved on wavelength conversion layer 146.

Specifically, wavelength conversion layer 146 is circular configuration.Wavelength conversion layer 146 is coaxial with filter layer 144 to be set, and ripple The central shaft of long conversion layer 146 and the key light overlapping of axles of first collector lens 130.I.e. in filter layer 144 and transparency carrier 142 Center overlapping of axles of the heart axle with wavelength conversion layer 146.Wherein, transparency carrier 142 is formed with the surface court of wavelength conversion layer 146 To first collector lens 130.And the diameter of wavelength conversion layer 146 is equal to the internal diameter of filter layer 144.The specific embodiment in diagram In, filter layer 144 is located at wavelength conversion layer 146 on the same surface of transparency carrier 142.It is appreciated that implementing other In example, wavelength conversion layer 146 can also be separately positioned on two relative surfaces of transparency carrier 142 with filter layer 144.

Further, the circumference of wavelength conversion layer 146 is divided into the light transition region 1462 of four fan shapes.Four light Transition region 1462 is respectively feux rouges transition region, green glow transition region, gold-tinted transition region and blue light transition region.Wherein, Feux rouges transition region can launch feux rouges under the irradiation of blue light;Green glow transition region can launch green under the irradiation of blue light Light;Gold-tinted transition region can launch gold-tinted under the irradiation of blue light;Blue light transition region can send indigo plant under the irradiation of blue light Light.

Wherein, feux rouges transition region is oppositely arranged with feux rouges filtered region, and the corresponding central angle of feux rouges transition region with The corresponding central angle of feux rouges filtered region is equal.Green glow transition region is oppositely arranged with green glow filtered region, and green glow transition zone The corresponding central angle in domain central angle corresponding with green glow filtered region is equal.Gold-tinted transition region is relative with gold-tinted filtered region to be set Put, the corresponding central angle of gold-tinted transition region central angle corresponding with gold-tinted filtered region is equal.Blue light transition region and blue light Filtered region is oppositely arranged, and the corresponding central angle of blue light transition region central angle corresponding with blue light filtered region is equal.Pass through The fluorescence that above-mentioned setting enables feux rouges transition region to be inspired passes through feux rouges filtered region, and green glow transition region is swashed The fluorescence sent can pass through green glow filtered region, and the fluorescence that gold-tinted transition region is inspired can pass through gold-tinted Filtered region, the fluorescence that blue light transition region is inspired can pass through blue light filtered region.

Also referring to Fig. 3, further, wavelength conversion layer 146 includes reflecting layer 1464 and fluorescence coating 1466, reflecting layer 1464 are laminated on transparency carrier 142, and fluorescence coating 1466 is laminated on reflecting layer 1464.Wherein, fluorescence coating 1466 can be in blue light Irradiation under send fluorescence, reflecting layer 1464 can go out the fluorescent reflection.Specifically, reflecting layer 1464 is metal level, such as Silver layer or aluminium lamination.General, fluorescence coating 1466 is consistent with the size shape in reflecting layer 1464.Specifically, the circle of fluorescence coating 1466 It is divided into the light transition region 1462 of four fan shapes week.

It is appreciated that wavelength conversion layer 146 is also not necessarily limited to be separated into said structure, in other embodiments, wavelength convert Layer 146 is white light conversion layer.White light conversion layer can launch the fluorescence of white under the exciting of blue light.Or, wavelength conversion layer 146 are not limited to be separated into above-mentioned four kinds of light transition regions, can design the quantity of light transition region as needed in practical operation And the color of the light of conversion.Or, wavelength conversion layer 146 can not also be above-mentioned circular configuration, in other embodiments, Wavelength conversion layer 146 can also be circular ring structure, now, wavelength conversion layer 146 and the still coaxial setting of filter layer 144, first The primary optical axis of collector lens 130 is parallel with the central shaft of wavelength conversion layer 146.

Wherein, above-mentioned light conversion device 140 can be prepared via a method which to obtain:Coated at the middle part of transparency carrier 142 Slurry is reflected, reflecting layer base substrate is formed through drying.Fluorescence coating base substrate is formed on the base substrate of reflecting layer, it is sintered, obtain forming ripple Long conversion layer 146.In 142 edge of transparency carrier, one week plating interference light filtering film, to form filter layer 144, light conversion device is obtained 140.Wherein, reflection slurry can be silver paste either aluminium paste.Drying temperature is 100~200 DEG C.Wherein, in reflecting layer base substrate Upper formation fluorescence coating base substrate can directly coat fluorescent slurry on the base substrate of reflecting layer to obtain or will directly prepare Fluorescence coating base substrate stick on the base substrate of reflecting layer.

Speculum 150 can reflect the first fluorescence beam reflected through interferometric filter 120.

Second collector lens 160 collects the first fluorescence beam of the reflected reflection of mirror 150 to form the second fluorescence beam, and makes Second fluorescence beam is mapped on filter layer 144, so that the second fluorescence beam is filtered by filter layer 144.

Even light part 170 is set close to filter layer 144.It is second glimmering that even light part 170 is used to collect after filtered layer 144 is filtered Light beam.Specifically in the present embodiment, even light part 170 is the club shaped structure that section is square.

Specifically, laser 110, interferometric filter 120, the collector lens 160 of first collector lens 130 and second are respectively positioned on The same side of transparency carrier 142, even light part 170 is located at the opposite side of transparency carrier 142.

Radiating piece 180 is fixedly connected with side of the transparency carrier 142 away from wavelength conversion layer 146.Wherein, radiating piece 180 It is fixed on by heat-conducting glue, sintering silver or scolding tin on transparency carrier 142.

Wherein, projected position of the center of circle of radiating piece 180 and wavelength conversion layer 146 on transparency carrier 142 is fixedly connected, So that transparency carrier 142 is rotatable around the primary optical axis of first collector lens 130.That is the center of radiating piece 180 and transparency carrier 142 It is fixedly connected.Wherein, radiating piece 180 is located at the both sides of transparency carrier 142 with wavelength conversion layer 146 respectively.

Further, radiating piece 180 has contact surface, and contact surface is fixedly connected with transparency carrier 142, contact surface and blue light The hot spot 10 that beam is formed on wavelength conversion layer 146 is overlapping, and area of the area more than hot spot 10 of contact surface, so that light source When system 100 works, transparency carrier 142 is during rotation, and the hot spot 10 of blue beam is radiated at wavelength conversion layer 146 all the time Center, i.e. the hot spot 10 of blue beam all the time in the center of transparency carrier 142, and radiating piece 180 also be located at it is transparent The center of substrate 142 so that radiating piece 180 in time can distribute heat.

Further, radiating piece 180 is the metalwork with fin.Wherein, radiating piece 180 is that heat conductivility is preferably golden Category, for example, aluminium, copper or aluminium alloy.

Actuator 190 is fixedly connected with radiating piece 180, and actuator 190 can drive transparency carrier by radiating piece 180 142 rotate.Specifically, 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, and radiating piece 180 drives 142 turns of the transparency carrier of light conversion device 140 Dynamic, laser 110 sends exciting light, and exciting light is irradiated on interferometric filter 120, the filtering exciting light of interferometric filter 120, and Pass through blue light, the blue light of transmission forms blue beam after being collected through first collector lens 130, and blue beam is mapped to wavelength conversion layer 146 center, and excitation wavelength conversion layer 146 sends fluorescence, fluorescence is mapped in first collector lens 130, is gathered by first Optical lens 130 is collected to form the first fluorescence beam, after the first fluorescence beam reflects through interferometric filter 120 and speculum 150 successively, To form the second fluorescence beam after being collected by the second collector lens 160, after the second fluorescence beam is filtered by filter layer 144, by even light part 170 collect.

The above-mentioned at least following beneficial effect of light-source system 100:

(1) because laser 110 has higher power, the heat of generation is larger, and power more high heat is bigger so that Light-source system 100 produces substantial amounts 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 be distributed in time, cause light conversion device 140 to produce serious fuel factor so that light The brightness of source system 100 is difficult to improve.And wavelength conversion layer 146 and the optical filtering of the light conversion device 140 of above-mentioned light-source system 100 Layer 144 is arranged on transparency carrier 142, and transparency carrier 142 can strengthen the radiating of wavelength conversion layer 146, is conducive to improving The heat dispersion of light conversion device 140;And wavelength conversion layer 146 is located at the middle part of transparency carrier 142, filter layer 144 is along transparent The edge of substrate 142 sets one week to form a loop configuration, in other words, and the width of transparency carrier 142 is more than wavelength convert The width of layer 146, can further enhance the radiating of wavelength conversion layer 146, so as to further improve dissipating for light conversion device 140 Hot property;Meanwhile, the transparency carrier 142 of light conversion device 140 is connected by radiating piece 180 with actuator 190, so that actuator 190 drive transparency carrier 142 to rotate by radiating piece 180, and radiating piece 180 can aid in transparency carrier 142 to radiate, so as to enter one Step promotes the radiating of the light conversion device 140 of light-source system 100 so that above-mentioned light-source system 100 has preferable heat dispersion, So as to be conducive to improving fuel factor of the light conversion device 140 in fluorescence transfer process, and be conducive to improving light-source system 100 Brightness.

(2) above-mentioned light-source system 100 by wavelength conversion layer 146 by being provided in round structure, and filter layer 144 is set to circle Ring structure, and wavelength conversion layer 146 and the coaxial setting of filter layer 144, the primary optical axis and wavelength conversion layer of first collector lens 130 Projected position of the center of circle of 146 center overlapping of axles, radiating piece 180 and wavelength conversion layer 146 on transparency carrier 142, which is fixed, to be connected Connect, so that transparency carrier 142 is rotatable around the primary optical axis of first collector lens 130, and blue beam shape on wavelength conversion layer 146 Into hot spot 10 area be less than radiating piece 180 contact surface area, and the hot spot 10 is overlapping with contact surface, so that light source When system 100 works, transparency carrier 142 is during rotation, the hot spot 10 of blue beam illumination wavelength conversion layer 146 all the time The hot spot 10 of center, i.e. blue beam is all the time in the center of transparency carrier 142, and radiating piece 180 also is located at transparent base The center of plate 142 so that radiating piece 180 in time can distribute heat, further increase light-source system 100 Heat dispersion so that the fuel factor of light conversion device 140 is further improved.Meanwhile, the light conversion device of the structure 140 can also realize the miniaturization of light conversion device 140, to realize the miniaturization of light-source system 100.

(3) first collector lens 130 of above-mentioned light-source system 100 be both used to collect the blue light through interferometric filter 120, It is used to collect the fluorescence reflected by reflecting layer 1464 again, and interferometric filter 120 had both been used to filter exciting light, was used to reflect warp again The first fluorescence beam after the collection of first collector lens 130, simplifies the structure of light-source system 100 so that the knot of light-source system 100 Structure is more compact.

Referring to Fig. 4, the structure of the light-source system of two embodiments and the structure of the light-source system of an embodiment are similar Seemingly, the wavelength conversion layer 210 for differing only in 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 and the structure of the light-source system of an embodiment of the light-source system of two embodiments are similar, have The light-source system identical advantage of one embodiment.

Also referring to Fig. 5 and Fig. 6, the structure of the light-source system 300 of three embodiments and the light source system of an embodiment The structure of system is similar, differs only in the wavelength conversion layer of the light conversion device 310 of the light-source system 300 of two embodiments 312 be circular ring structure, wavelength conversion layer 312 and the coaxial setting of filter layer 314, and the central shaft of wavelength conversion layer 312 and first gathers The primary optical axis of optical lens 320 is parallel, the projected position of the center of circle of radiating piece 330 and wavelength conversion layer 312 on transparency carrier 316 It is fixedly connected, so that transparency carrier 316 is rotatable around the central shaft of wavelength conversion layer 312.Wherein, the circle of wavelength conversion layer 312 It is divided into the light transition region 3122 of four fan ring-types week.

Now, the external diameter of wavelength conversion layer 312 is equal to the internal diameter of filter layer 314.Blue beam shape on wavelength conversion layer 312 Into hot spot 30 close to filter layer 314, to strengthen wavelength convert by increasing linear velocity of the blue beam on wavelength conversion layer 312 Layer 312 and the heat convection of surrounding air, to reach the effect for the heat dispersion for improving light conversion device 310.

Because the structure and the structure of the light-source system of an embodiment of the light-source system 300 of three embodiments are similar, Also there is the similar effect of the light-source system of an embodiment.

Also referring to Fig. 7, the structure of the light-source system of four embodiments and the light-source system of three embodiments is similar, The wavelength conversion layer 410 for differing only in the light conversion device 400 of the light-source system of four embodiments is white light conversion layer.

Because the structure and the structure of the light-source system of three embodiments of the light-source system of four embodiments are similar, have The light-source system identical advantage of three embodiments.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope of this specification record is all considered to be.

Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (7)

1. a kind of light-source system, it is characterised in that including laser, interferometric filter, first collector lens, light conversion device, Speculum, the second collector lens, even light part, radiating piece and actuator, wherein:
The laser is used to send exciting light;
The interferometric filter may filter that the exciting light, so that blue light is passed through;
The first collector lens are located between the interferometric filter and the light conversion device, and the first collector lens can The blue light through the interferometric filter is collected, to form blue beam;
The light conversion device includes transparency carrier, filter layer and wavelength conversion layer, and the transparency carrier is rotatable, described to filter It is laminated on layer by layer on the transparency carrier, and edge of the filter layer along the transparency carrier sets one week to form a ring junction Structure;The wavelength conversion layer is laminated on the transparency carrier, and the wavelength conversion layer is located at the middle part of the transparency carrier; Wherein, the blue beam can penetrate on the wavelength conversion layer to excite the wavelength conversion layer to send fluorescence, and the wavelength Conversion layer can be by the fluorescent reflection to the first collector lens, and the first collector lens collect the fluorescence with shape Into the first fluorescence beam, the interferometric filter can reflect first fluorescence beam;The transparency carrier is rotated so that the blue light The hot spot that beam is formed on the wavelength conversion layer is moved on the wavelength conversion layer;
The speculum can reflect first fluorescence beam reflected through the interferometric filter;
Second collector lens is used to collect first fluorescence beam reflected through the speculum to form the second fluorescence beam, And make the second fluorescence beam on the filter layer, so that second fluorescence beam is filtered by the filter layer;
Even light part is set close to the filter layer, and the even light part is used to collect second fluorescence filtered through the filter layer Beam;
The radiating piece is fixedly connected with side of the transparency carrier away from the wavelength conversion layer;
The actuator is fixedly connected with the radiating piece, and the actuator can drive the transparent base by the radiating piece Plate is rotated;
Wherein, the filter layer is circular ring structure, and the wavelength conversion layer is circular configuration, the wavelength conversion layer and the filter Photosphere is coaxial to be set, and the central shaft of the wavelength conversion layer and the key light overlapping of axles of the first collector lens, the radiating Projected position of the center of circle of part and the wavelength conversion layer on the transparency carrier is fixedly connected so that the transparency carrier around The primary optical axis of the first collector lens is rotatable, and the radiating piece has contact surface, the contact surface and the transparency carrier It is fixedly connected, the contact surface is overlapping with the hot spot that the blue beam is formed on the wavelength conversion layer, and the contact surface Area be more than the hot spot area;Wavelength conversion layer includes reflecting layer and fluorescence coating, and reflective layer is laminated on transparency carrier, Fluorescence coating is laminated on reflecting layer.
2. light-source system according to claim 1, it is characterised in that the radiating piece is the metalwork with fin.
3. light-source system according to claim 1, it is characterised in that the circumference of the filter layer is divided into four fan rings The filtered region of shape, and four filtered regions are respectively for the feux rouges filtered region of feux rouges transmission, for the green of green light Light filtered region, the gold-tinted filtered region passed through for gold-tinted and the blue light filtered region passed through for blue light.
4. light-source system according to claim 3, it is characterised in that the circumference of the wavelength conversion layer is divided into four Light transition region, and four smooth transition regions be respectively feux rouges transition region, green glow transition region, gold-tinted transition region and Blue light transition region, wherein, the feux rouges transition region is oppositely arranged with the feux rouges filtered region, and the feux rouges transition zone The corresponding central angle in domain central angle corresponding with the feux rouges filtered region is equal;The green glow transition region is filtered with the green glow Light region is oppositely arranged, and the corresponding central angle of green glow transition region central angle phase corresponding with the green glow filtered region Deng;The gold-tinted transition region is oppositely arranged with the gold-tinted filtered region, the corresponding central angle of the gold-tinted transition region with The corresponding central angle of the gold-tinted filtered region is equal;The blue light transition region is oppositely arranged with the blue light filtered region, The corresponding central angle of blue light transition region central angle corresponding with the blue light filtered region is equal.
5. light-source system according to claim 3, it is characterised in that the wavelength conversion layer is white light conversion layer.
6. light-source system according to claim 1, it is characterised in that the material of the transparency carrier is selected from sapphire, thoroughly One kind in bright aluminium nitride, transparent silicon carbide silicon single crystal flake, diamond, transparent aluminum-spinel and glass.
7. a kind of application of light-source system as described in claim 1~6 any one in projecting apparatus or illuminating lamp.
CN201510894446.8A 2015-12-07 2015-12-07 Light-source system and its application CN105353578B (en)

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