CN206946178U - Wavelength converter and light-source system - Google Patents
Wavelength converter and light-source system Download PDFInfo
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- CN206946178U CN206946178U CN201720786560.3U CN201720786560U CN206946178U CN 206946178 U CN206946178 U CN 206946178U CN 201720786560 U CN201720786560 U CN 201720786560U CN 206946178 U CN206946178 U CN 206946178U
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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
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- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Semiconductor Lasers (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides a kind of Wavelength converter, including substrate is stacked with the wavelength conversion layer for part exciting light to be transformed into stimulated light, the substrate with the wavelength conversion layer, and the wavelength conversion layer is provided with light scattering pellet.The light scattering pellet can homogenize the energy of the exciting light hot spot of irradiation thereon, so as to improve the transformation efficiency of the wavelength conversion layer, extend the service life of the wavelength conversion layer.
Description
Technical field
Optical technical field is the utility model is related to, more particularly to a kind of Wavelength converter and light-source system.
Background technology
This part is it is intended that the specific embodiment of the present utility model stated in claims provides background or upper and lower
Text.Description herein recognizes it is prior art not because not being included in this part.
At present, laser fluorescence powder technology is quickly grown, and is widely used.Laser fluorescence powder technology, i.e., with sharp
Light beam excitation fluorescent material produces fluorescence, usually using blue laser as exciting light.In visible-range, the energy meeting of photon
With wavelength into Negative correlation, wavelength is shorter, and photon energy is bigger, therefore, when with the blue LASER Excited Fluorescence powder of short wavelength,
The higher blue laser photon of energy can be absorbed by phosphor material powder, and the long wavelength's fluorescent photon for giving off energy relatively low.
Laser fluorescence can produce efficient brightness, and it can be used for the various fields such as illuminating, show or project as light source.
And fluorescent material is excited the spot energy distribution, glimmering of light activated brightness is relevant with Multiple factors, such as exciting light power, exciting light
Heat-sinking capability of light powder material and color block component etc..Under the power situation of equal exciting light, the imaging surface of exciting light
Whether Energy distribution is uniform, can directly influence the phototranstormation efficiency of fluorescent material.
Utility model content
In view of this, the utility model provides a kind of Wavelength converter and light that can homogenize exciting light light spot energy
Source system.
A kind of Wavelength converter, including substrate and the wavelength convert for part exciting light to be transformed into stimulated light
Layer, the substrate are stacked with the wavelength conversion layer, and the wavelength conversion layer is provided with light scattering pellet.
Further, the light scattering pellet is included to scatter and reflect the particle diameter of the exciting light less than 100 nanometers
Particle.
Further, the light scattering pellet is nanometer silicon dioxide particle.
Further, the light scattering pellet covers the surface of the wavelength conversion layer and forms scattering layer.
Further, the scattering layer is fixedly arranged on the exciting light irradiation area of the wavelength conversion layer incidence surface.
Further, the wavelength conversion layer is included by bonding agent, the light scattering pellet and for by the exciting light
It is converted into the fluorescent powder grain of stimulated light.
Further, the part that the Wavelength converter also includes being used to reflect the stimulated light and not be converted excites
The reflecting layer of light.
Further, the bottom of the substrate is installed with the drive device for driving the substrate rotation.
A kind of light-source system, including the wavelength turn described in excitation source, light splitting Multiplexing apparatus and any one as described above
Changing device,
The excitation source is used to produce exciting light；
The light splitting Multiplexing apparatus guides the exciting light to the Wavelength converter；
The part exciting light is converted to stimulated light, the stimulated light and the portion not changed by the Wavelength converter
The light splitting Multiplexing apparatus is projected to after the luminous outgoing from the Wavelength converter of shunt excitation；
The light splitting Multiplexing apparatus is additionally operable to the stimulated light and the part exciting light do not changed being combined into same light path
Outgoing.
Further, the light splitting Multiplexing apparatus includes light splitting region and is arranged at the closing light area at the light splitting region edge
Domain, the light splitting region are used to reflect the exciting light and transmit the stimulated light, and the light-combining area is described sharp for transmiting
The luminous and stimulated light.
In the Wavelength converter provided by the utility model and the light-source system, the Wavelength converter includes
Light scattering pellet, the exciting light irradiated thereon is scattered the light scattering pellet and refraction action so that is radiated at institute
State the exciting light hot spot on wavelength conversion layer and become big, energy is uniform, is so radiated at the exciting light hot spot of the wavelength conversion layer
Power density diminishes, and so as to improve the transformation efficiency of the wavelength conversion layer, weakens the exciting light to the wavelength conversion layer
Damage, extend the service life of the wavelength conversion layer.
Brief description of the drawings
Fig. 1 is the light-source system structural representation provided in the utility model first embodiment.
Fig. 2 is the overlooking the structure diagram of light splitting Multiplexing apparatus as shown in Figure 1.
Fig. 3 is the light-source system structural representation provided in the utility model second embodiment.
Fig. 4 is the light-source system structural representation provided in the utility model 3rd embodiment.
Fig. 5 is the light-source system structural representation provided in the utility model fourth embodiment.
Main element symbol description
| Light-source system | 100、200、300、400 |
| Excitation source | 101、301、401 |
| Convergent lens | 102、104、302、305 |
| It is divided Multiplexing apparatus | 103、303 |
| Light splitting region | 103a |
| Light-combining area | 103b |
| Wavelength converter | 120、220、320、420 |
| Scattering layer | 121、321 |
| Nanometer silicon dioxide particle | 121a、222b、321a、422b |
| Wavelength conversion layer | 122、222、322、422 |
| Fluorescent powder grain | 122a、222a、422a |
| Reflecting layer | 123、223 |
| Substrate | 124、224、324、424 |
| Drive device | 125、225、325、425 |
Following embodiment will further illustrate the utility model with reference to above-mentioned accompanying drawing.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.In the case where not conflicting, following implementation
Feature in example and embodiment can be mutually combined.
It should be noted that in the utility model, when a component is considered as with another component " being connected ", it
Can be joined directly together with another component or be indirectly connected by component placed in the middle and another component.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Referring to Fig. 1, Fig. 1 is the structural representation of light-source system 100 provided in the utility model first embodiment.Light source
System 100 includes excitation source 101, convergent lens 102, convergent lens 104, light splitting Multiplexing apparatus 103 and Wavelength converter
120。
Specifically, excitation source 101 is used to produce exciting light.Excitation source 101 can be arranged at Wavelength converter 120
Side.Further, excitation source 101 can be blue-light source, send blue light exciting light.It is understood that exciting light
Source 101 is not limited to blue-light source, and excitation source 101 can also be purple light light source, red-light source or green-light source etc..This embodiment party
In formula, excitation source 101 includes blue laser, for sending blue laser as the exciting light, it will be understood that exciting light
Source 101 can include one, two or more blue lasers, and the quantity of its specific laser can be selected according to being actually needed
Select.
Convergent lens 102 is located in the light path of the exciting light with convergent lens 104 and enters line convergence to the exciting light.
It is understood that convergent lens 102 can include in biconvex lens, planoconvex spotlight or concave-convex lens with convergent lens 104
It is at least one.
In the present embodiment, Wavelength converter 120 includes scattering layer 121, the wavelength conversion layer from top to bottom sequentially set
122nd, reflecting layer 123 and substrate 124.Drive device 125 is arranged at the center of the bottom of substrate 124 and drives Wavelength converter
120 cycle movements, Wavelength converter 120 are that axle center rotates at a high speed with drive device 125.
Specifically, scattering layer 121 is made up of light scattering pellet.The light scattering pellet includes described for scattering and reflecting
The particle diameter of exciting light is less than 100 nanometers of particle, and the particle is the nanometer silicon dioxide particle 121a for possessing light transmission.Dissipate
The nanometer silicon dioxide particle 121a penetrated in layer 121 is scattered to irradiating exciting light thereon, reflects and diffraction, makes
The exciting light hot spot that must be radiated on wavelength conversion layer 122 becomes big, and energy is uniform, is so radiated at swashing for wavelength conversion layer 122
Luminous spot power density diminishes, and so as to improve the transformation efficiency of wavelength conversion layer 122, weakens the exciting light to wavelength convert
The damage of layer 122, extend the service life of wavelength conversion layer 122.In addition, scattering layer made of nanometer silicon dioxide particle 121a
121 have good resistance to elevated temperatures and strengthen the adhesive force of scattering layer 121.It is understood that the light scattering grain
Material can also include titanium dioxide or aluminum oxide.Wherein, titanium dioxide has light scattering property, chemical inertness, and can bear lamp
The high temperature reached during work；Aluminum oxide causes light dispersed can reach soft light effect in scattering layer 121, together
When Zinc oxide particles be transparent material, higher light percent of pass is ensure that while light scattering effect is added.
In the present embodiment, scattering layer 121 is covered in the surface of wavelength conversion layer 122, it is to be understood that other embodiment party
In formula, scattering layer 121 can only be fixedly arranged on the exciting light irradiation area in fan annular of the marginal surface of wavelength conversion layer 122.
Wavelength conversion layer 122 is provided with wavelength converting material, and in the present embodiment, the wavelength converting material is fluorescent material
Grain 122a, can coat the fluorescent powder grain 122a of different colours on wavelength conversion layer 122 with sectional, the fluorescence on each section
Exciting light described in powder particles 122a receiving portions simultaneously projects the stimulated light of corresponding color.Wherein described stimulated light comprises at least two kinds
The light of different colours, each section correspondingly send a kind of color stimulated light.In the present embodiment, wavelength conversion layer 122 sets red
Fluorescent material with green emitting phosphor to send red stimulated light and green stimulated light respectively, and in another preferred embodiment, wavelength turns
Yellow fluorescent powder can only be set to produce yellow stimulated light by changing layer 122, and the yellow stimulated light obtains after optical filter filters
Red stimulated light and green stimulated light are obtained after to the stimulated light of specific wavelength, such as filtering.
Wavelength converter 120 is reflective Wavelength converter, such as reflective colour wheel, and it includes reflecting layer 123.This
In embodiment, reflecting layer 123 is used to carry out diffusing reflection to the stimulated light and the part exciting light not being converted.It is appreciated that
It is that reflecting layer 123 can be made up of the diffuse-reflective material such as silica gel containing scattering particles, ceramics.
Substrate 124 is used to carry the miscellaneous part in the Wavelength converter 120, can use specular reflective material such as
The high-reflectivity metals such as high anti-aluminium, silver are made.Wavelength converter 120 is reflective Wavelength converter, and with radiating
The advantages of space abundance.It is understood that substrate 124 can set radiating subassembly, further to improve Wavelength converter
120 radiating effect；Radiating subassembly can be arranged on substrate 124 on a side surface of wavelength conversion layer 122；Radiating subassembly
126 can be radiator shutter, and the shape of the radiator shutter can be circumferential annulus, columnar projections, sheet projection
Deng.
The light spot energy that the exciting light is exposed on Wavelength converter 120 is in Gaussian Profile, and scattering layer 121 is by described in
After exciting light scattering, refraction and diffraction and obtaining the uniform exciting light of Energy distribution, wavelength conversion layer 122 will excite described in part
Light is converted into stimulated light, and the stimulated light and the part exciting light self-reflection layer 123 not being converted are projected to light splitting after reflecting and closed
Electro-optical device 103.
Fig. 2 is further regarded to incorporated by reference to Fig. 1, Fig. 2 is the plan structure signal of light splitting Multiplexing apparatus 103 as shown in Figure 1
Figure.Light splitting Multiplexing apparatus 103 can be arranged at the same side of Wavelength converter 120 with excitation source 101, be divided Multiplexing apparatus
103 in the light path of the exciting light, and guides the exciting light to expose to Wavelength converter 120.It is divided Multiplexing apparatus
Stimulated light caused by the Wavelength converter 120 and the part exciting light not being converted are also combined into same light path by 103 to be emitted.
Specifically, being divided Multiplexing apparatus 103 includes being used to reflect the exciting light and transmits the splitting area of the stimulated light
Domain 103a, with the light-combining area 103b for transmiting the exciting light and the stimulated light.In the present embodiment, the exciting light is
Blue excitation light, the stimulated light include red stimulated light and green stimulated light, and light splitting region 103a is arranged at light splitting closing light dress
103 centre position is put, and reflection blue excites light transmission red stimulated light and green stimulated light, light-combining area 103b is arranged at
The marginal position of Multiplexing apparatus 103 is divided, and transmits red stimulated light, green stimulated light and the blue excitation light not being converted.
Incorporated by reference to Fig. 2 referring again to Fig. 1, it is to be understood that dodging device can also be included in light-source system 100, with
Follow-up optical system, the dodging device are emitted to after the stimulated light and the part exciting light not being converted are carried out into even light
Fly's-eye lens, optical tunnel or scattering sheet etc. can be included, be not limited thereto.
In the present embodiment, excitation source 101 produces blue excitation light, is divided Multiplexing apparatus 103 by the blue excitation light
Reflex to Wavelength converter 120, the exciting light is scattered by scattering layer 121, reflect and diffraction and obtains Energy distribution
After uniform exciting light, wavelength conversion layer 122 by part blue excitation light be converted into the red stimulated light and the green by
Laser, the red stimulated light reflect with the green stimulated light and the part blue excitation light self-reflection layer 123 not being converted
It is emitted afterwards from the incident side of Wavelength converter 120.The red stimulated light is excited by light splitting Multiplexing apparatus 103 with the green
Light and the part blue excitation light not being converted are combined into same light path outgoing.
The nanometer silicon dioxide particle 121a in scattering layer 121 in Wavelength converter 120 is to irradiating swashing thereon
It is luminous to be scattered, reflect and diffraction so that the exciting light hot spot being radiated on wavelength conversion layer 122 becomes big, and energy is equal
Even, the exciting light Bright efficacy and density for being so radiated at wavelength conversion layer 122 diminishes, so as to improve turning for wavelength conversion layer 122
Change efficiency, weaken damage of the exciting light to wavelength conversion layer 122, extend the service life of wavelength conversion layer 122.In addition,
Scattering layer 121 made of nanometer silicon dioxide particle 121a has good resistance to elevated temperatures and strengthens scattering layer 121
Adhesive force.
Referring to Fig. 3, Fig. 3 is the structural representation of the Wavelength converter 200 provided in the utility model second embodiment
Figure.For light-source system 200 compared with the light-source system 100 in first embodiment, the main distinction is Wavelength converter 220
Structure changes compared to Wavelength converter 120.
Specifically, Wavelength converter 220 include from top to bottom sequentially set wavelength conversion layer 222, reflecting layer 223 and
Substrate 224.Drive device 225 is arranged at the center of the bottom of substrate 224 and drives the cycle movement of Wavelength converter 220, ripple
Long conversion equipment 220 is that axle center rotates at a high speed with drive device 125.
Wavelength conversion layer 222 is included by bonding agent, light scattering pellet and for the exciting light to be converted into stimulated light
The thin slice that fluorescent powder grain 222a is bonded together into.The light scattering pellet and the light scattering grain in the first embodiment
Expect identical, be nanometer silicon dioxide particle 222b.In the present embodiment, received in wavelength conversion layer 222 in exciting light irradiation area
Rice silica dioxide granule 222b is densely distributed, the position more remote apart from exciting light irradiation area, nanometer two in wavelength conversion layer 222
Silicon oxide particle 222b distributions are more sparse, incident exciting light is scattered, reflected and diffraction to reach, equal so as to reach
Homogenize the purpose of the light spot energy of the exciting light.It is understood that in other embodiment, the light scattering pellet also may be used
To be uniformly distributed in wavelength conversion layer 222.
Reflecting layer 123, substrate 124 in reflecting layer 223, substrate 224 and drive device 225 and the first embodiment and
The structure of drive device 125 is same with function phase, repeats no more.
Nanometer silicon dioxide particle 222b in Wavelength converter 220 is scattered to the exciting light irradiated thereon,
Refraction and diffraction so that the exciting light energy being radiated on wavelength conversion layer 222 is uniform, so as to improve wavelength conversion layer
222 transformation efficiency, weaken damage of the exciting light to wavelength conversion layer 222, extend wavelength conversion layer 222 uses the longevity
Life.In addition, wavelength conversion layer 222 made of nanometer silicon dioxide particle 222b has good resistance to elevated temperatures and strengthened
The adhesive force of wavelength conversion layer 222.The structure of Wavelength converter 220 is simpler, occupies little space and has saved cost, improves
The market competitiveness of light-source system 200 and projector equipment using light-source system 200.
Referring to Fig. 4, Fig. 4 is the structural representation of light-source system 300 provided in the utility model 3rd embodiment.This reality
The light-source system 300 in example is applied compared with the light-source system 100 in first embodiment, the main distinction is light-source system 300
In Wavelength converter 320 be transmission-type Wavelength converter, Wavelength converter 120 be reflective Wavelength converter simultaneously
It is provided with reflecting layer 123.
In the present embodiment, Wavelength converter 320 includes scattering layer 321, the wavelength conversion layer from top to bottom sequentially set
322 and substrate 324.Substrate 324 is transparent and has high transmission rate in visible region and ultraviolet region.Drive device 325 is set
It is placed in the center of the bottom of substrate 324 and drives the cycle movement of Wavelength converter 320, Wavelength converter 320 is filled with driving
325 are put to rotate at a high speed for axle center.Scattering layer 321 and wavelength conversion layer 322 in the present embodiment and the scattering in first embodiment
Layer 121 and wavelength conversion layer 122 are identical, do not repeat herein.
Light source 301 is used to produce exciting light, and the exciting light is projected to light splitting closing light after the convergence of convergent lens 302
Device 303, in the present embodiment, light splitting Multiplexing apparatus 303 is speculum, is produced for reflected excitation light and Wavelength converter 320
Raw stimulated light.The exciting light concentrated lens 304 under the guiding of light splitting Multiplexing apparatus 303 are transmitted through Wavelength converter
320。
Light splitting Multiplexing apparatus 303 guides the exciting light to the incidence surface of Wavelength converter 320, is provided with nanometer two
Silicon oxide particle 321a scattering layer 321 is scattered to irradiating exciting light thereon, reflects and diffraction so that irradiation
Exciting light hot spot on wavelength conversion layer 122 becomes big, and energy is uniform, is so radiated at the excitation light of wavelength conversion layer 122
Spot power density diminishes, and so as to improve the transformation efficiency of wavelength conversion layer 122, weakens the exciting light to wavelength conversion layer 122
Damage, extend wavelength conversion layer 122 service life.In addition, scattering layer 121 has made of nanometer silicon dioxide particle 121a
There is good resistance to elevated temperatures and strengthen the adhesive force of scattering layer 121.Wavelength convert material is provided with wavelength conversion layer 322
Expect, in the present embodiment, the material for transformation of wave length is fluorescent powder grain 322a.The excitation wavelength that scattering layer 321 is emitted
Material for transformation of wave length in conversion layer 322 obtains the stimulated light of at least one color, and the stimulated light passes through transparent substrate 324
It is emitted by the exiting surface of Wavelength converter 320, the exiting surface is oppositely arranged with the incidence surface.By Wavelength converter
The stimulated light of 320 outgoing is projected to follow-up dodging device or optical-mechanical system after the convergence of convergent lens 305.
The nanometer silicon dioxide particle 321a in scattering layer 321 in Wavelength converter 320 is to irradiating swashing thereon
It is luminous to be scattered, reflect and diffraction so that the exciting light hot spot being radiated on wavelength conversion layer 322 becomes big, and energy is equal
Even, the exciting light Bright efficacy and density for being so radiated at wavelength conversion layer 322 diminishes, so as to improve turning for wavelength conversion layer 322
Change efficiency, weaken damage of the exciting light to wavelength conversion layer 322, extend the service life of wavelength conversion layer 322.In addition,
Scattering layer 121 made of nanometer silicon dioxide particle 121a has good resistance to elevated temperatures and strengthens scattering layer 121
Adhesive force.
Referring to Fig. 5, Fig. 5 is the structural representation of light-source system 400 provided in the utility model fourth embodiment.This reality
The light-source system 400 in example is applied compared with the light-source system 200 in second embodiment, the main distinction is light-source system 400
In Wavelength converter 420 be transmission-type Wavelength converter, Wavelength converter 220 be reflective Wavelength converter simultaneously
It is provided with reflecting layer 223.
In the present embodiment, Wavelength converter 420 is included by the wavelength conversion layer 422 being stacked and substrate 424.Substrate
424 are transparent and have high transmission rate in visible region and ultraviolet region.Drive device 425 is arranged at the bottom of substrate 424
Center simultaneously drives the cycle movement of Wavelength converter 420, and Wavelength converter 420 is that axle center is revolved at a high speed with drive device 425
Turn.The present embodiment medium wavelength conversion layer 422 is identical with second embodiment medium wavelength conversion layer 222, does not repeat herein.
Light source 401 is used to produce exciting light, and the exciting light is projected to light splitting closing light after the convergence of convergent lens 402
Device 403.In the present embodiment, light splitting Multiplexing apparatus 403 is speculum, is produced for reflected excitation light and Wavelength converter 420
Raw stimulated light.The exciting light concentrated lens 404 under the guiding of light splitting Multiplexing apparatus 403 are transmitted through Wavelength converter
320。
Light splitting Multiplexing apparatus 403 guides the exciting light to the incidence surface of Wavelength converter 320, wavelength conversion layer
422 include bonding agent, light scattering pellet and the fluorescent powder grain 422a for the exciting light to be converted into stimulated light being bonded
The thin slice formed together.The light scattering pellet is nanometer silicon dioxide particle 422b.422b pairs of nanometer silicon dioxide particle
Incident exciting light is scattered, reflects and diffraction, so as to homogenize the light spot energy of the exciting light.By nanometer two
Fluorescent powder grain 422a described in excitation after silicon oxide particle 422b scatterings produces the stimulated light of at least one color.Institute
State stimulated light to be emitted by the exiting surface of Wavelength converter 420 by transparent substrate 424, the exiting surface and the incidence surface
It is oppositely arranged.Follow-up even light is projected to after the convergence of convergent lens 405 by the stimulated light that Wavelength converter 420 is emitted
Device or optical-mechanical system.
Nanometer silicon dioxide particle 422b in Wavelength converter 420 is scattered to the exciting light irradiated thereon,
Refraction and diffraction so that the exciting light energy being radiated on wavelength conversion layer 422 is uniform, so as to improve wavelength conversion layer
422 transformation efficiency, weaken damage of the exciting light to wavelength conversion layer 422, extend wavelength conversion layer 422 uses the longevity
Life.In addition, wavelength conversion layer 422 made of nanometer silicon dioxide particle 422b has good resistance to elevated temperatures and strengthened
The adhesive force of wavelength conversion layer 422.The structure of Wavelength converter 420 is simpler, occupies little space and has saved cost, improves
The market competitiveness of light-source system 400 and projector equipment using light-source system 200.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is all
It is the equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or directly or indirectly uses
In other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of Wavelength converter, including substrate and the wavelength conversion layer for part exciting light to be transformed into stimulated light,
Characterized in that, the substrate is stacked with the wavelength conversion layer, the wavelength conversion layer is provided with light scattering pellet.
2. Wavelength converter as claimed in claim 1, it is characterised in that the light scattering pellet is included to scatter and roll over
The particle diameter for penetrating the exciting light is less than 100 nanometers of particle.
3. Wavelength converter as claimed in claim 1, it is characterised in that the light scattering pellet is nano silicon
Grain.
4. Wavelength converter as claimed in claim 2, it is characterised in that the light scattering pellet covers the wavelength convert
The surface of layer simultaneously forms scattering layer.
5. Wavelength converter as claimed in claim 4, it is characterised in that the scattering layer is fixedly arranged on the wavelength conversion layer
The exciting light irradiation area of incidence surface.
6. Wavelength converter as claimed in claim 1, it is characterised in that the wavelength conversion layer is included bonding agent, institute
State light scattering pellet and the fluorescent powder grain for the exciting light to be converted into stimulated light.
7. Wavelength converter as claimed in claim 1, it is characterised in that the Wavelength converter also includes being used to reflect
The reflecting layer of the stimulated light and the part exciting light not being converted.
8. Wavelength converter as claimed in claim 1, it is characterised in that the bottom of the substrate is installed with the driving base
The drive device of plate rotation.
9. a kind of light-source system, it is characterised in that including excitation source, light splitting Multiplexing apparatus and claim 1-8 any one
Described Wavelength converter,
The excitation source is used to produce exciting light；
The light splitting Multiplexing apparatus guides the exciting light to the Wavelength converter；
The part exciting light is converted to stimulated light by the Wavelength converter, and the stimulated light and the part do not changed are swashed
The light splitting Multiplexing apparatus is projected to after the luminous outgoing from the Wavelength converter；
The light splitting Multiplexing apparatus is additionally operable to the stimulated light and the part exciting light do not changed being combined into same light path outgoing.
10. light-source system as claimed in claim 9, it is characterised in that the light splitting Multiplexing apparatus includes light splitting region with setting
The light-combining area at the light splitting region edge is placed in, the light splitting region is used to reflect is excited described in the exciting light and transmission
Light, the light-combining area are used to transmit the exciting light and the stimulated light.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720786560.3U CN206946178U (en) | 2017-06-29 | 2017-06-29 | Wavelength converter and light-source system |
| PCT/CN2017/103441 WO2019000674A1 (en) | 2017-06-29 | 2017-09-26 | Wavelength conversion device and light source system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720786560.3U CN206946178U (en) | 2017-06-29 | 2017-06-29 | Wavelength converter and light-source system |
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|---|---|
| CN206946178U true CN206946178U (en) | 2018-01-30 |
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| CN201720786560.3U Active CN206946178U (en) | 2017-06-29 | 2017-06-29 | Wavelength converter and light-source system |
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| CN (1) | CN206946178U (en) |
| WO (1) | WO2019000674A1 (en) |
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| TWI662354B (en) * | 2018-07-19 | 2019-06-11 | 中強光電股份有限公司 | Wavelength conversion module, method for forming wavelength conversion module and projection apparatus |
| CN110398875A (en) * | 2018-04-24 | 2019-11-01 | 深圳光峰科技股份有限公司 | Light-source system |
| CN110865503A (en) * | 2018-08-28 | 2020-03-06 | 青岛海信激光显示股份有限公司 | Fluorescent wheel, laser light source device and laser projection system |
| CN110967902A (en) * | 2018-09-30 | 2020-04-07 | 无锡视美乐激光显示科技有限公司 | Diffusion reflection sheet, light guide pipe, laser light source device and projector |
| CN111009180A (en) * | 2019-12-12 | 2020-04-14 | 宁波融光纳米科技有限公司 | Marker and functional coating |
| CN111176060A (en) * | 2018-11-12 | 2020-05-19 | 中强光电股份有限公司 | Wavelength conversion module, method for manufacturing wavelength conversion module, and projection apparatus |
| WO2024008103A1 (en) * | 2022-07-08 | 2024-01-11 | 深圳市绎立锐光科技开发有限公司 | Laser light combining apparatus and light source |
| US11977322B2 (en) | 2022-06-22 | 2024-05-07 | Coretronic Corporation | Wavelength conversion device and projection device |
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- 2017-06-29 CN CN201720786560.3U patent/CN206946178U/en active Active
- 2017-09-26 WO PCT/CN2017/103441 patent/WO2019000674A1/en active Application Filing
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| CN111176060A (en) * | 2018-11-12 | 2020-05-19 | 中强光电股份有限公司 | Wavelength conversion module, method for manufacturing wavelength conversion module, and projection apparatus |
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