CN208766452U - A kind of light-source system and projector - Google Patents
A kind of light-source system and projector Download PDFInfo
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- CN208766452U CN208766452U CN201821615018.2U CN201821615018U CN208766452U CN 208766452 U CN208766452 U CN 208766452U CN 201821615018 U CN201821615018 U CN 201821615018U CN 208766452 U CN208766452 U CN 208766452U
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Abstract
The utility model embodiment is related to a kind of light-source system and projector, and light-source system includes: the laser light source for emitting exciting light；Emit the blue light LED light source of blue light；Wavelength converter, wavelength conversion layer with cylindric hollow matrix and containing the wavelength conversion material for generating stimulated light under the excitation of the exciting light, matrix includes cylindric substrate and the reflecting part for reflecting the stimulated light, the reflecting part is continuously provided on the inner surface of the substrate or outer surface on its circumferencial direction, and the wavelength conversion layer is continuously provided on the outer surface of described matrix on its circumferencial direction；And fiber coupler, collect the blue light and the stimulated light that the blue light LED light source issues, blue light and the stimulated light light combination in fiber coupler.The light-source system solves blue laser as speckle issue caused by primary lights, collects blue light and stimulated light using fiber coupler, reduces light loss, light path design is more flexible.
Description
Technical field
The utility model belongs to laser equipment technical field, and in particular to a kind of light-source system and projector.
Background technique
Laser has good monochromaticjty, and encircled energy is high, and the directionality of collimation facilitates light path design, and brightness
Height, the service life is long, and low energy consumption.
Currently, a kind of main stream light sources system in the market is laser fluorescence light source, with the generation of blue laser excitated fluorescent powder
Feux rouges, the blue light sheet that issues of green light, yellow light and laser light source as primary lights, be used for laser equipment, such as laser projection
Referring to Fig.1 Deng, general solution, laser light source 10 issues the collimated system 20 of exciting light, even photosystem 30, dichroic
It is emitted after mirror 40, the first light collection system 50, the wavelength conversion material on excitation wavelength conversion equipment 60, generates stimulated light, be excited
After light is collected by the first light collection system 50, reflected by dichroscope 40；Wavelength converter 60 has transmissive portions or notch, can
The exciting light of permeation parts exciting light, transmission is collected by the second light collection system 70, then is recycled by light recovery system 80, light recycling system
System 80 include three reflecting mirrors and a diffusion sheet, the second light collection system 70 outgoing exciting light after multiple reflections and even light,
Optical axis direction changes 270 °, transmits dichroscope 40 from the direction vertical with the optical axis of colimated light system 20, anti-with dichroscope 40
That penetrates is excited actinic light.
It is above-mentioned that primary lights are used as using the blue light exciting light itself that laser light source issues in the prior art, laser light source hair
Blue laser out is coherent light, leads to speckle issue, also, the non-total power of laser light source swashing for wavelength conversion material
Hair, the launching efficiency of laser light source be not high；Exciting light needs to set by the optical path of multiple reflecting mirrors and lens with actinic light is excited
Meter causes the volume of laser source system to increase, it is difficult to miniaturise, sheet of such optical transport mode because of reflecting mirror, lens
The factors such as stature material and plated film will lead to light loss, and light channel structure design is restricted.
Utility model content
In order to solve the above-mentioned technical problem, the utility model embodiment proposes a kind of light-source system, comprising: transmitting excitation
The laser light source of light；Emit the blue light LED light source of blue light；Wavelength converter has cylindric hollow matrix and containing in institute
State the wavelength conversion layer that the wavelength conversion material of stimulated light is generated under the excitation of exciting light, described matrix include cylindric substrate and
Reflect the reflecting part of the stimulated light, the reflecting part be continuously provided on its circumferencial direction in the substrate inner surface or
On outer surface, the wavelength conversion layer is continuously provided on the outer surface of described matrix on its circumferencial direction；Fiber coupling
Device collects blue light and the stimulated light that the blue light LED light source issues, blue light and the stimulated light light combination in fiber coupler.
Further, the light-source system further includes dichroscope, the dichroscope reflected excitation light and transmit be excited
Light, fiber coupler collect the stimulated light of the blue light that blue-ray LED issues and transmission dichroscope.
Further, the light-source system further includes dichroscope, and the dichroscope transmission exciting light and blue-ray LED issue
Blue light, fiber coupler collect transmission dichroscope blue-ray LED issue blue light and Wavelength converter outgoing is excited
Light.
Further, the light-source system further includes the collimator apparatus being arranged between the laser light source and dichroscope.
Further, the wavelength conversion layer includes one or more wavelength conversion regions along its circumferencial direction.
Further, the wavelength conversion region is red wavelength transition region, green wavelength transition region, yellow wavelengths turn
Change one or more of region.
Further, the laser light source is blue laser.
Further, the Wavelength converter further includes the axial end portion for being fixedly connected on described matrix, the support base
The supporting element of body.
Further, the fiber coupler includes that blue light collects fiber segment, stimulated light collects fiber segment and coupling fiber segment,
The blue light that blue-ray LED issues is incident to fiber coupler from the end that blue light collects fiber segment, and the self-stimulated light of stimulated light collects light
The end of fine section is incident to fiber coupler, stimulated light and blue light after coupling fiber segment light combination, and self coupling closes the end of fiber segment
Outgoing.
The utility model embodiment also proposes one of a kind of projector, including above-mentioned light-source system.
The utility model embodiment the utility model has the advantages that the utility model embodiment propose light-source system utilize laser light source
It is provided commonly for constituting light-source system with blue-ray LED, the blue light that blue light LED light source issues is issued as primary lights, laser light source
Exciting light is completely used for excitation wavelength transition material, and generated stimulated light efficiently solves laser light source hair as primary lights
Blue light out as speckle issue caused by primary lights, meanwhile, using fiber coupler collect transmission blue light LED light source issue
Blue light and stimulated light, reduce light loss, and light path design is more flexible.
Detailed description of the invention
Fig. 1 is the light-source system schematic diagram of the prior art；
Fig. 2 a is the base structure schematic diagram for the Wavelength converter that the utility model embodiment proposes；
Fig. 2 b is the Wavelength converter structural schematic diagram that utility model embodiment proposes；
Fig. 3 is a kind of light-source system that the utility model embodiment 2 proposes；
Fig. 4 is a kind of light-source system that the utility model embodiment 3 proposes；
Fig. 5 is a kind of light-source system that the utility model embodiment 4 proposes.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is further described.But as known to those skilled in the art, the utility model is not limited to
Attached drawing and following embodiment.
1 Wavelength converter of embodiment
The utility model embodiment proposes a kind of Wavelength converter W, referring to Fig. 2 a, Fig. 2 b, including matrix 11 and wave
Long conversion layer 12；Described matrix 11 is ducted body, substantially cylindrical, and described matrix 11 includes cylindric substrate and is formed in base
The inner surface or the reflecting part on outer surface at bottom, when substrate is transparent substrates, the reflecting part is in a circumferential direction continuously
It is arranged on the inner surface of the substrate or on outer surface, when substrate is nontransparent substrate, the reflecting part is in circumferencial direction
On be consecutively provided on the outer surface of the substrate；The wavelength conversion layer 12 is arranged in circumferentially continuously along matrix
On the outer surface of described matrix, the wavelength conversion layer contains wavelength conversion material, and the wavelength conversion material can be in laser
Stimulated light is generated under the excitation for the exciting light that light source issues, the wavelength conversion layer along the circumferential direction includes one or more wavelength
Transition region, it is different when wavelength conversion region is multiple (121,122,123 represent different wave length transition region in such as Fig. 2 b)
Wavelength conversion region contain the wavelength conversion material of different colours, being excited for different colours is generated under the excitation of exciting light
Light；The reflecting part is for reflecting the stimulated light.
It will be appreciated by those skilled in the art that reflecting part is consecutively provided in the base in a circumferential direction in the present embodiment
On the inner surface at bottom or outer surface, refers to inner surface or outer surface 360 ° setting of the reflecting part around substrate, do not have in a circumferential direction
There is intermittent part, similarly, the wavelength conversion layer is consecutively provided in a circumferential direction on the outer surface of described matrix, is
Refer to wavelength conversion layer around the setting of 360 ° of the outer surface of reflecting part, in a circumferential direction without intermittent part.
Further, the Wavelength converter further includes supporting element 13, and the circumferential profile of the supporting element is generally circular,
It is set to the axial end portion of described matrix, is preferably vertically arranged with the rotary shaft of described matrix, is fixedly connected with described matrix, is used
In support described matrix, also, the supporting element can be also used for the driving portion 14 of connection driving Wavelength converter.The branch
Support member, for example, support plate or supporting spokes, the support plate body be substantially in it is disk-shaped, the support spoke refers to by from center edge
The radially outward supporting element that Zhou Yanshen several mutually isolated support bar is constituted.
" axial end portion for being set to described matrix " had both been set to including the supporting element close inside described matrix
The position of axial end portion, also an axial side wall for the circumference outer ring and matrix on a surface including supporting element connects.
Preferably, the supporting element and described matrix are integrally formed.
Preferably, the wavelength conversion region is red wavelength transition region, green wavelength transition region, yellow wavelengths turn
One or more of region is changed, with each wavelength conversion region correspondingly, the wavelength conversion material is red fluorescence material, green
One of color fluorescent material, yellow fluorescent material are a variety of.The wavelength for the excitation different colours that laser light source issues
Transition material generates one of red stimulated light, green stimulated light, yellow stimulated light or a variety of.
2 light-source system of embodiment
Hereinafter, illustratively proposing the specific embodiment of light-source system, which is filled using above-mentioned wavelength convert
It sets and double light source packages is to solve technical problem to be solved in the utility model.It will be appreciated by those skilled in the art that at this
On the basis of specification disclosure, in laser equipment field, Wavelength converter and light source are in laser light-source device
Set-up mode be those skilled in the art according to actual needs can flexible setting, therefore, the laser light source of the utility model
Device is not limited by following specific embodiments.
In one embodiment, referring to Fig. 3, light-source system includes laser light source 1, blue light LED light source 2, collimator apparatus
100, above-mentioned Wavelength converter W, the first convergence apparatus 200, dichroscope 300, the second convergence apparatus 400 and fiber coupler
500；
Laser light source 1, for emitting laser, the laser is as exciting light；
Blue light LED light source 2, for emitting blue light；
Collimator apparatus 100, can be lens or lens group, and the exciting light for issuing to the laser light source 1 carries out quasi-
Directly；
Above-mentioned Wavelength converter W, the Wavelength converter W have wavelength conversion layer, and the wavelength conversion layer contains
Wavelength conversion material, the wavelength conversion material generate stimulated light under the excitation for the exciting light that the collimator apparatus 100 is emitted,
The reflecting part of Wavelength converter W reflects the stimulated light；
First convergence apparatus 200 can be lens or lens group, the blue light issued for assembling the blue light LED light source；
Dichroscope 300 can reflect the exciting light that the laser light source 1 issues and transmit the stimulated light, for anti-
It penetrates the exciting light of the outgoing of autocollimation 100 and transmits the stimulated light of the outgoing of auto-convergence device 400；
Second convergence apparatus 400 can be lens or lens group, the excitation reflected for assembling the dichroscope 200
Light, and collect the stimulated light of Wavelength converter reflection；
Fiber coupler 500, for collecting the blue light of blue light LED light source sending and the stimulated light of transmission dichroscope 200；
The fiber coupler (referring to Fig. 3) is substantially in y-type structure, including blue light collects fiber segment 51, stimulated light collects fiber segment 52
With coupling fiber segment 53, the blue light that blue light LED light source 2 issues is incident to fiber coupling from the end that blue light collects fiber segment 51
Device, the end for transmiting the self-stimulated light collection fiber segment 52 of stimulated light of dichroscope are incident to fiber coupler 500, fiber coupling
The stimulated light and blue light that device 500 is collected are transmitted along the optical fiber of fiber coupler, after coupling 53 light combination of fiber segment, from fiber coupling
The end of the coupling fiber segment 53 of device 500 is emitted.
When work, after the collimated device 100 of the exciting light that laser light source 1 issues collimates, reflected by dichroscope 300, instead
The exciting light penetrated exposes to Wavelength converter W, the wavelength of excitation wavelength conversion equipment W after the convergence of the second convergence apparatus 400
Wavelength conversion material contained by conversion layer generates stimulated light, and the stimulated light is wavelength-converted the reflecting part reflection of device W,
After concentrated device 400 is collected again, the dichroscope 300 is transmitted, transmits the stimulated light of dichroscope 300 from fiber coupler
The end that 500 stimulated light collects fiber segment 52 is incident to fiber coupler 500；The blue light that blue light LED light source 2 issues is through first
After convergence apparatus 200 is assembled, it is incident to fiber coupler 500 from the end that the blue light of fiber coupler 500 collects fiber segment 51,
The blue light and stimulated light that fiber coupler 500 is collected are after coupling 53 light combination of fiber segment, from the coupling optical fiber of fiber coupler 500
The end outgoing of section 53.
The blue light and the stimulated light that the blue light LED light source issues, can be used as primary lights, for example, in laser projection
In machine, optical-mechanical system can be inputted, for showing image.
Preferably, the laser light source is blue laser, can issue blue laser.
3 light-source system of embodiment
As shown in figure 4, the present embodiment and embodiment 2 the difference is that, the dichroscope 300 is arranged to be used for
It transmits the exciting light that the laser light source 1 issues and the blue light that blue light LED light source issues and reflects the stimulated light.With this phase
It answers, the optical axis of the optical axis of the laser light source and the blue light LED light source is by the optical axis both on the same line, changed into
Vertically, meanwhile, the fiber coupler is used to collect the stimulated light of Wavelength converter outgoing and the indigo plant of blue light LED light source sending
Light.
4 light-source system of embodiment
As shown in figure 5, the present embodiment and embodiment 2 the difference is that, which does not have dichroic
Mirror, fiber coupler 500 are arranged to be used for collecting the reflecting part of blue light and Wavelength converter W that blue light LED light source issues
The stimulated light of reflection.
The essence of the utility model is double light source packages using laser light source and blue light LED light source, in conjunction with cartridge type wave
Long conversion equipment and fiber coupler constitute light-source system, and the blue light that blue-ray LED issues is issued as primary lights, laser light source
Exciting light is used for excitation wavelength transition material, and generated stimulated light efficiently solves laser light source sending as primary lights
Blue light collects the blue light and wavelength that blue light LED light source issues as speckle issue caused by primary lights, using fiber coupler
The stimulated light of the reflecting part reflection of conversion equipment W, reduces light loss, and light path design is more flexible.Above-mentioned light-source system
Concrete composition is understood not to limitations of the present invention.
<laser projection>
The present embodiment also proposes that a kind of laser projection, the laser projection include one of above-mentioned light-source system.
More than, the embodiments of the present invention is illustrated.But the utility model is not limited to above-mentioned implementation
Mode.Within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done, should be included in
Within the protection scope of the utility model.
Claims (10)
1. a kind of light-source system characterized by comprising
Emit the laser light source of exciting light；
Emit the blue light LED light source of blue light；
Wavelength converter has cylindric hollow matrix and containing the wavelength for generating stimulated light under the excitation of the exciting light
The wavelength conversion layer of transition material, described matrix include cylindric substrate and the reflecting part for reflecting the stimulated light, the reflection
Portion is continuously provided on the inner surface of the substrate or outer surface on its circumferencial direction, and the wavelength conversion layer is in its circumference
It is continuously provided on direction on the outer surface of described matrix；
Fiber coupler, the blue light for collecting the blue light LED light source sending and the stimulated light, blue light and stimulated light are in optical fiber coupling
Light combination in clutch.
2. light-source system as described in claim 1, which is characterized in that the light-source system further includes dichroscope, and described two
To Look mirror reflected excitation light and stimulated light is transmitted, fiber coupler collects the blue light that blue-ray LED issues and transmits dichroscope
Stimulated light.
3. light-source system as described in claim 1, which is characterized in that the light-source system further includes dichroscope, and described two
The blue light that exciting light and blue-ray LED issue is transmitted to Look mirror, what the blue-ray LED that fiber coupler collects transmission dichroscope issued
The stimulated light of blue light and Wavelength converter outgoing.
4. light-source system as claimed in claim 2 or claim 3, which is characterized in that the light-source system further includes that setting swashs described
Collimator apparatus between radiant and dichroscope.
5. light-source system as described in claim 1, which is characterized in that the wavelength conversion layer includes one along its circumferencial direction
Or multiple wavelength conversion regions.
6. light-source system as claimed in claim 5, which is characterized in that the wavelength conversion region is red wavelength transition zone
One or more of domain, green wavelength transition region, yellow wavelengths transition region.
7. light-source system as described in claim 1, which is characterized in that the laser light source is blue laser.
8. light-source system as described in claim 1, which is characterized in that the Wavelength converter further includes being fixedly connected on institute
It states the axial end portion of matrix, support the supporting element of described matrix.
9. the light-source system as described in claims 1 or 2 or 3, which is characterized in that the fiber coupler includes that blue light collects light
Fine section, stimulated light collect fiber segment and coupling fiber segment, and the blue light that blue-ray LED issues is incident from the end that blue light collects fiber segment
To fiber coupler, the end that the self-stimulated light of stimulated light collects fiber segment is incident to fiber coupler, and stimulated light and blue light are in coupling
After closing fiber segment light combination, self coupling closes the end outgoing of fiber segment.
10. a kind of projector, which is characterized in that including light-source system described in one of the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821615018.2U CN208766452U (en) | 2018-09-30 | 2018-09-30 | A kind of light-source system and projector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821615018.2U CN208766452U (en) | 2018-09-30 | 2018-09-30 | A kind of light-source system and projector |
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| CN208766452U true CN208766452U (en) | 2019-04-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112015037A (en) * | 2019-05-30 | 2020-12-01 | 无锡视美乐激光显示科技有限公司 | Laser light source |
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2018
- 2018-09-30 CN CN201821615018.2U patent/CN208766452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112015037A (en) * | 2019-05-30 | 2020-12-01 | 无锡视美乐激光显示科技有限公司 | Laser light source |
| CN112015037B (en) * | 2019-05-30 | 2022-06-03 | 无锡视美乐激光显示科技有限公司 | Laser light source |
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