CN205720746U - A kind of reflection unit and relevant wavelength conversion equipment, colour wheel and light-source system - Google Patents
A kind of reflection unit and relevant wavelength conversion equipment, colour wheel and light-source system Download PDFInfo
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- CN205720746U CN205720746U CN201620350104.XU CN201620350104U CN205720746U CN 205720746 U CN205720746 U CN 205720746U CN 201620350104 U CN201620350104 U CN 201620350104U CN 205720746 U CN205720746 U CN 205720746U
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
- F21V9/45—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity by adjustment of photoluminescent elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
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- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a kind of reflection unit and relevant wavelength conversion equipment, colour wheel and light-source system, wherein reflection unit includes ceramic substrate and the diffuse-reflectance glassy layer being positioned on the first surface of ceramic substrate, diffuse-reflectance glassy layer includes the second surface away from ceramic substrate, and ceramic substrate is compact texture ceramic body；For identical incident illumination, the three-dimensional angle of divergence of the reflection light that the three-dimensional angle of divergence of the reflection light that first surface is formed is formed less than second surface；The thickness of diffuse-reflectance glassy layer is between 0.04mm ~ 0.15mm.Reflection unit of the present utility model both solved diffuse-reflectance glassy layer thicker time produce cracking problem, its diffusing characteristic diffuser will not be changed again.
Description
Technical field
This utility model relates to illumination and Display Technique field, particularly relates to a kind of reflection unit and relevant wavelength
Conversion equipment, colour wheel and light-source system.
Background technology
Under existing laser display technology, along with gradually stepping up of laser power, reflection unit is owing to absorbing
Laser and the heat that produces is increasing, have a strong impact on the service life of display device, therefore to instead on market
The reflectivity requirements of injection device is more and more higher.
In prior art, there is the high reflecting ceramic body of a kind of compact texture, this high reflecting ceramic body anti-
Penetrate rate higher, it is possible to reach to use requirement.But, owing to laser is coherent light, through this kind high reflecting ceramic
Light after body reflection remains in that certain coherence so that easily produce speckle in display image, thus
Have a strong impact on Consumer's Experience.
To this end, research staff works out another kind of reflection unit structure, as it is shown in figure 1, include by white
Grain (the such as particle of the high whiteness such as aluminium oxide, titanium oxide and zirconium oxide) and glass (such as glassy silicate
Glass, borate glass etc.) vitreous body constitute diffuse-reflectance glassy layer S1 and be used for carrying diffuse-reflectance glassy layer S1
And for the aluminium nitride ceramics substrate S 2 of heat radiation.This reflection unit structure is transparent due to glass, laser
Can enter outgoing after the internal Multiple Scattering reflection of diffuse-reflectance glassy layer, its diffusing characteristic diffuser is than compact texture
The reflection that high reflecting ceramic occurs over just surface layer is the most a lot.In this catoptric arrangement, aluminium nitride ceramics serves as a contrast
The reflectance of end S2 is the highest, during its Main Function is the preparation as diffuse-reflectance glassy layer S1 and use
Carrying and heat-radiating substrate, therefore reflectance mainly by diffuse-reflectance glassy layer S1 provide.Reach to meet application
Reflectance, after the thickness of diffuse-reflectance glassy layer needs enough.But, owing to diffuse-reflectance glassy layer holds with pottery
The thermal coefficient of expansion carrying substrate is different, and diffuse-reflectance glassy layer blocked up in sintering process easily ftractures so that
The yields of this catoptric arrangement is the lowest.Therefore, a kind of novel reflection unit is urgently developed.
Utility model content
This utility model provides one not only to solve diffuse-reflectance glassy layer problem of Cracking but also will not change its diffuse-reflectance
The reflection unit of characteristic, and relevant wavelength conversion equipment, colour wheel and light-source system are provided on this basis.
This utility model is achieved through the following technical solutions:
According to first aspect of the present utility model, this utility model provides a kind of reflection unit, including ceramic base
Plate, also includes the diffuse-reflectance glassy layer being positioned on the first surface of above-mentioned ceramic substrate, above-mentioned diffuse-reflectance glass
Layer includes that the second surface away from above-mentioned ceramic substrate, above-mentioned ceramic substrate are compact texture ceramic bodies；
For identical incident illumination, the three-dimensional angle of divergence of the reflection light that above-mentioned first surface is formed is less than above-mentioned the
The three-dimensional angle of divergence of the reflection light that two surfaces are formed, wherein, the light that the three-dimensional angle of divergence is this light beam of a light beam
The solid angle surrounded according to the intensity region not less than the 50% of this beam center intensity of illumination；
The thickness of above-mentioned diffuse-reflectance glassy layer is between 0.04mm～0.15mm.
As preferred version of the present utility model, the thickness of above-mentioned diffuse-reflectance glassy layer between
Between 0.08mm～0.12mm.
As preferred version of the present utility model, above-mentioned diffuse-reflectance glassy layer is white particle and glass composition
Diffuse-reflectance layer.
As preferred version of the present utility model, the porosity of above-mentioned ceramic substrate is less than or equal to 15%.
As preferred version of the present utility model, above-mentioned ceramic substrate is selected from aluminium oxide ceramic substrate, zirconium oxide
Ceramic substrate, boron nitride ceramics substrate, zirconium oxide doped aluminium composite ceramic substrate in one.
As preferred version of the present utility model, above-mentioned ceramic substrate is the composite ceramic of zirconium oxide doped aluminium
Porcelain substrate.
As preferred version of the present utility model, the thickness of above-mentioned ceramic substrate is more than 0.5mm.
According to second aspect of the present utility model, this utility model provides a kind of Wavelength converter, including sending out
Photosphere and reflecting layer, wherein, above-mentioned reflecting layer includes the reflection unit such as first aspect, above-mentioned luminescent layer position
On the second surface of above-mentioned diffuse-reflectance glassy layer, above-mentioned luminescent layer is for turning the light being incident in this luminescent layer
It is changed to the light of different wave length.
According to the third aspect of the present utility model, this utility model provides a kind of colour wheel, including wavelength-converting region
Territory and reflector space, the most above-mentioned reflector space includes the reflection unit such as first aspect, above-mentioned wavelength convert
Region is spliced to form circular with above-mentioned reflector space at wheel surface.
According to fourth aspect of the present utility model, this utility model provides a kind of light-source system, including the such as the 3rd
The colour wheel of aspect, also includes that an excitation source and driving means, above-mentioned excitation source are used for launching exciting light and shine
Being mapped on above-mentioned colour wheel, above-mentioned driving means is used for driving above-mentioned colour wheel to rotate, so that the ripple on above-mentioned colour wheel
Long transition region and reflector space periodically receive the irradiation of exciting light.
Reflection unit of the present utility model, by ceramic substrate less for the three-dimensional angle of divergence of surface reflection and table
The diffuse-reflectance glassy layer that the three-dimensional angle of divergence of face reflection light is bigger combines, owing to the surface of this ceramic substrate is reflected
The light solid angle of divergence is little, and its consistency is higher than the consistency of non-glass part in diffuse-reflectance glassy layer so that should
Ceramic substrate has higher reflectance, replaces existing aluminium nitride substrate with this fine and close structural ceramics body, from
Even and if the thickness of thinning diffuse-reflectance glassy layer does not interferes with the reflectance of entirety yet.This utility model utilizes pottery
The composed emission structure of porcelain substrate and diffuse-reflectance glassy layer both solved diffuse-reflectance glassy layer thicker time produce cracking
Problem, in turn ensure that reflection unit has good diffusing characteristic diffuser.
Accompanying drawing explanation
Fig. 1 is the structural representation of reflection unit of the prior art；
Fig. 2 is the structural representation of the reflection unit of one embodiment of this utility model；
Fig. 3 is the structural representation of the Wavelength converter of one embodiment of this utility model；
Fig. 4 is the structural representation of the colour wheel of one embodiment of this utility model.
Description of reference numerals:
S1: diffuse-reflectance glassy layer；
S2: ceramic substrate；
S3: ceramic substrate；
S4: luminescent layer；
S5: wavelength conversion region；
S6: reflector space.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention this utility model is described in further detail.
Fig. 1 shows the structure of a kind of reflection unit of the prior art, including being sintered on high reflection substrate
Diffuse-reflectance glassy layer S1 and for sintering ceramic substrate S2 of diffuse-reflectance glassy layer S1.Wherein, diffuse-reflectance
Glassy layer S1 is typically by white particle (the such as particle of the high whiteness such as aluminium oxide, titanium oxide and zirconium oxide)
Constitute with glass (such as silicate glass, borate glass etc.)；Ceramic substrate S2 is usually aluminium nitride pottery
Porcelain.The thickness of diffuse-reflectance glassy layer S1 is at more than 0.15mm, the thickest due to S1 in sintering process, meeting
Diffuse-reflectance glassy layer is caused to ftracture.
And the problem that easily ftracture blocked up for diffuse-reflectance glassy layer in prior art, this utility model provides
A kind of novel reflection unit.Fig. 2 shows the structure of the reflection unit of one embodiment of this utility model,
It includes the diffuse-reflectance glassy layer S1 on ceramic substrate S3 and ceramic substrate S3, and wherein ceramic substrate S3 is
Compact texture ceramic body.Diffuse-reflectance glassy layer S1 is positioned on the first surface of ceramic substrate S3, diffuse-reflectance glass
Glass layer S1 also includes the second surface away from ceramic substrate S3, and this second surface is the light of reflection unit and enters
Penetrate face.For identical incident illumination, the three-dimensional angle of divergence of the reflection light that above-mentioned first surface is formed is less than above-mentioned
The three-dimensional angle of divergence of the reflection light that second surface is formed, wherein, the light that the three-dimensional angle of divergence is this light beam of light beam
The solid angle surrounded according to the intensity region not less than the 50% of this beam center intensity of illumination, standing of first surface
The body angle of divergence is less, it is meant that the diffuse-reflectance poor-performing of first surface, also implies that ceramic substrate simultaneously
Consistency is high.
In this utility model, as the porosity of compact texture ceramic body of ceramic substrate generally preferably 15%
Hereinafter, such porosity ensure that higher reflectance.Meanwhile, the consistency of ceramic substrate is high, also
Mean that its heat conductivility compares the low consistency pottery of same material more preferably, compensate for because replacing high heat conductance
Aluminium nitride ceramics and problem that the heat conductivility that brings declines.It is said that in general, at the material one of ceramic substrate
In the case of Ding, the reflectance of ceramic substrate becomes positive correlation with its consistency, and becomes negative correlation with porosity,
And porosity and diffuse-reflectance performance are proportionate, therefore the reflectance of ceramic substrate and diffuse-reflectance performance are inverse ratio.
Therefore, the lowest more beneficially reflectance the raising of porosity, preferred version of the present utility model selects porosity
Ceramic substrate below 15%, it is ensured that reflectance is sufficiently high, therefore need not increase diffuse-reflectance glassy layer
Thickness, and the diffuse-reflectance glassy layer that thickness is between 0.04mm～0.15mm be enough to provide required unrestrained
Reflecting properties.In this utility model, porosity, according to the usual definition in this area, i.e. refers in bulk material
Pore volume and the percentage ratio of material cumulative volume in its natural state.
(reflectance is higher than aluminium nitride ceramics for the high reflectance ceramic substrate of this utility model employing compact texture
Reflectance) substitute existing aluminium nitride ceramics, thus improve reflectance.Then by diffuse-reflectance glassy layer S1's
Thickness is thinning, solves diffuse-reflectance glassy layer problem of Cracking, owing to the reflectance of ceramic substrate improves, even if subtracting
Thin diffuse-reflectance glassy layer, but overall reflectivity is unaffected, and also scattering angle also meets requirement.
In this utility model, diffuse-reflectance glassy layer S1 is on compact texture ceramic body substrate, with prior art phase
With, diffuse-reflectance glassy layer S1 is also by white particle (the such as relatively Gao Bai such as aluminium oxide, titanium oxide and zirconium oxide
The particle of degree) and glass (such as silicate glass, borate glass etc.) composition, except that this reality
With the thickness of novel middle diffuse-reflectance glassy layer S1 less than 0.15mm, specifically between 0.04mm～0.15mm it
Between.When diffuse-reflectance glassy layer thickness more than 0.15mm time, due to diffuse-reflectance glassy layer thermal coefficient of expansion with
The thermal expansion coefficient difference of ceramic substrate is relatively big, and under the effect of thermal stress, diffuse-reflectance glassy layer is being easily
Cracking phenomena is there is during not.
It is said that in general, the thickness of the diffuse-reflectance glassy layer S1 in this utility model should be at least 0.04mm,
If thickness is less than 0.04mm, its diffusing characteristic diffuser may be affected.It is highly preferred that diffuse-reflectance glassy layer S1
Thickness between 0.08mm～0.12mm, such as 0.09mm, 0.10mm, 0.11mm,
0.082～0.112mm, 0.093～0.108mm etc..In this utility model, diffuse-reflectance glassy layer S1 is white
Coloured particles and the mixed layer of glass dust, owing to glassy layer is transparent, be considered as being more than 1 into refractive index
Space, light scatters at the interface of white particle with glass/reflects.Therefore, at white particle and glass
In the case of volume ratio is identical, the thickness of diffuse-reflectance glassy layer S1 is the biggest, and light is in diffuse-reflectance glassy layer S1
The number of times of the scattering/reflection of experience is the most, and laser is the biggest by the degree of eliminating coherence.As diffuse-reflectance glassy layer S1
Thickness the least when, it is possible to have laser to be directed through diffuse-reflectance glassy layer S1 without scattering, make
Obtain emergent light and still there is certain coherence.
Based on principle of the present utility model, any reflectance is substantially higher than the aluminium nitride ceramics (indigo plant of aluminium nitride
Luminous reflectance rate variance, it is the reddest to the reflection light of white light) the ceramic substrate of reflectance all can be new as this practicality
The ceramic substrate S3 of type.Such ceramic substrate, such as aluminium oxide ceramic substrate, zirconia ceramics substrate,
Boron nitride ceramics substrate, zirconium oxide doped aluminium composite ceramic substrate in one.It is further preferred that oxidation
One in the composite ceramic substrate of aluminum ceramic substrate and zirconium oxide doped aluminium.Most preferably, zirconium oxide is mixed
The composite ceramic substrate of miscellaneous aluminium oxide.In an embodiment of the present utility model, with zirconium oxide doping oxidation
The composite ceramics of aluminum is as ceramic substrate S3.
It is said that in general, the thickness of ceramic substrate is not particularly limited, but it is to provide for enough mechanical strengths,
The thickness of ceramic substrate is preferably greater than 0.5mm, such as 0.6mm, 0.8mm, 1.0mm, 2.0mm, 5.0mm,
0.7～3mm etc..If the thickness of ceramic substrate is less than 0.5mm, its mechanical strength is poor, is easily damaged.
By the following examples and comparative example, relatively reflection unit of the present utility model and of the prior art instead
The blu-ray reflection performance of injection device and diffuse-reflectance glassy layer sintering state.Result shows, of the present utility model instead
Injection device both solved diffuse-reflectance glassy layer thicker time produce the problem of cracking, its diffuse-reflectance will not be changed again special
Property.
In following example and comparative example, diffuse-reflectance glassy layer S1 is by aluminium oxide (particle diameter 0.1～1 micron)
As white particle, silicate glass is constituted as the bonding particle of glass, wherein in embodiment and comparative example
Diffuse-reflectance glassy layer S1 all use identical material, except that the thickness of diffuse-reflectance glassy layer S1 is not
With.Ceramic substrate S2 selects aluminium nitride ceramics；Ceramic substrate S3 selects the compound of zirconium oxide doped aluminium
Pottery.Existing apparatus is the combination of diffuse-reflectance glassy layer S1+ aluminium nitride ceramics.
Table 1 show the reflection unit of embodiment and comparative example S1 thickness, blue power, power ratio (with
Existing apparatus as calculate basis) and diffuse-reflectance glassy layer sintering state in terms of data.Utilize identical merit
The blue light illumination reflection unit of rate, then collects reflection light, and the blue power in list is the merit of reflection light
Rate, the ratio in list is the reflection light blue power blue power relative to existing apparatus of reflection unit
Ratio.
Table 1
Result shows: the S1 thickness of existing apparatus is bigger, although blue power is higher, but diffuse-reflectance glass
Layer sintering easily cracking；The S1 thickness of comparative example 1-3 is less, although diffuse-reflectance glassy layer sintering will not ftracture,
But blue power is on the low side, it is impossible to meet performance requirement；Although and the S1 thickness of embodiment 1-3 is less, but
It is that diffuse-reflectance glassy layer sintering will not ftracture, and blue power is higher, it is possible to meet performance requirement.Additionally,
By embodiment 1-3 it can be seen that along with S1 thickness increases, blue power is significantly improved, it is seen that unrestrained anti-
When penetrating glassy layer sintering under indehiscent premise, improve S1 thickness, be conducive to improving blue power performance.
This utility model additionally provides a kind of Wavelength converter including above-mentioned reflection unit, as it is shown on figure 3,
Including luminescent layer S4 and reflecting layer, wherein reflecting layer includes the reflection unit of above-described embodiment, and reflecting layer is by overflowing
Reflection glass layer S1 and ceramic substrate S3 composition.Luminescent layer includes material for transformation of wave length, for being incident in
The light of this luminescent layer is converted to the light of different wave length.Luminescent layer can be fluorescent material and glass dust sintering
Fluorescent glass, it is also possible to be fluorescence ceramics.At the application scenarios that some incident intensities are the highest, luminescent layer is also
Can be quantum dot light emitting layer or fluorescent material and the organic fluorescence bisque of silica gel composition.
This utility model additionally provides a kind of colour wheel, as shown in Figure 4, including wavelength conversion region S5 and reflection
Region S6, these two regions are spliced to form annular at wheel surface.Wherein, reflector space includes above-mentioned reality
Execute the reflection unit in example, be the two-layer structure of diffuse-reflectance glassy layer and ceramic substrate composition, wavelength convert
Region includes luminescent layer and reflecting layer.Wherein, the reflecting layer of wavelength conversion region both can be above-described embodiment
In reflection unit (two-layer structure of diffuse-reflectance glassy layer and ceramic substrate composition), it is also possible to anti-for other
Injection device.Such as, in the present embodiment colour wheel, the reflecting layer of wavelength conversion region can be single ceramic base
Plate S3 single layer structure, this is owing to the luminescent layer of wavelength conversion region itself has scattering function, it is not necessary to enter one
Step increases diffuse-reflectance glassy layer S1 and strengthens dispersion effect, so it is also possible that the luminescence of wavelength conversion region
Layer surface and the diffuse-reflectance glass layer flush of reflector space.
This utility model also improves a kind of light-source system, including above-mentioned colour wheel, also include an excitation source and
Driving means, excitation source sends excitation light irradiation on colour wheel, and driving means drives colour wheel to rotate so that
Wavelength conversion region and reflector space on colour wheel are periodically in the irradiation of exciting light, thus send not
The light of co-wavelength.
Above content is to combine specific embodiment further detailed description of the utility model, no
Can assert that of the present utility model being embodied as is confined to these explanations.Technology belonging to this utility model is led
For the those of ordinary skill in territory, without departing from the concept of the premise utility, it is also possible to make some
Simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a reflection unit, including ceramic substrate (S3), it is characterized in that, also include the diffuse-reflectance glassy layer (S1) being positioned on the first surface of described ceramic substrate (S3), described diffuse-reflectance glassy layer (S1) includes that the second surface away from described ceramic substrate (S3), described ceramic substrate (S3) are compact texture ceramic bodies；
For identical incident illumination, the three-dimensional angle of divergence of the reflection light that the three-dimensional angle of divergence of the reflection light that described first surface is formed is formed less than described second surface, wherein, the solid angle that the intensity of illumination that the three-dimensional angle of divergence is this light beam of the light beam region not less than the 50% of this beam center intensity of illumination surrounds；
The thickness of described diffuse-reflectance glassy layer (S1) is between 0.04mm ~ 0.15mm.
Reflection unit the most according to claim 1, it is characterised in that the thickness of described diffuse-reflectance glassy layer (S1) is between 0.08mm ~ 0.12mm.
Reflection unit the most according to claim 1 and 2, it is characterised in that described diffuse-reflectance glassy layer is white particle and the diffuse-reflectance layer of glass composition.
Reflection unit the most according to claim 1, it is characterised in that the porosity of described ceramic substrate (S3) is less than or equal to 15%.
Reflection unit the most according to claim 1, it is characterised in that described ceramic substrate (S3) is selected from the one in the composite ceramic substrate of aluminium oxide ceramic substrate, zirconia ceramics substrate, boron nitride ceramics substrate, zirconium oxide doped aluminium.
Reflection unit the most according to claim 5, it is characterised in that described ceramic substrate (S3) is the composite ceramic substrate of zirconium oxide doped aluminium.
7. according to the reflection unit described in any one of claim 4-6, it is characterised in that the thickness of described ceramic substrate (S3) is more than 0.5mm.
8. a Wavelength converter, including luminescent layer and reflecting layer, wherein, described reflecting layer includes the reflection unit as according to any one of claim 1 ~ 7, described luminescent layer is positioned on the second surface of described diffuse-reflectance glassy layer (S1), and described luminescent layer for being converted to the light of different wave length by the light being incident in this luminescent layer.
9. a colour wheel, including wavelength conversion region and reflector space, wherein said reflector space includes that the reflection unit as according to any one of claim 1 ~ 7, described wavelength conversion region are spliced to form circular with described reflector space at wheel surface.
10. a light-source system, including colour wheel as claimed in claim 9, also include an excitation source and driving means, described excitation source is used for launching excitation light irradiation to described colour wheel, described driving means is used for driving described colour wheel to rotate, so that wavelength conversion region on described colour wheel and reflector space periodically receive the irradiation of exciting light.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350104.XU CN205720746U (en) | 2016-04-22 | 2016-04-22 | A kind of reflection unit and relevant wavelength conversion equipment, colour wheel and light-source system |
| PCT/CN2017/081247 WO2017181965A1 (en) | 2016-04-22 | 2017-04-20 | Reflection device, related wavelength conversion device, color wheel, and light source system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620350104.XU CN205720746U (en) | 2016-04-22 | 2016-04-22 | A kind of reflection unit and relevant wavelength conversion equipment, colour wheel and light-source system |
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| WO (1) | WO2017181965A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017181965A1 (en) * | 2016-04-22 | 2017-10-26 | 深圳市绎立锐光科技开发有限公司 | Reflection device, related wavelength conversion device, color wheel, and light source system |
| WO2019071865A1 (en) * | 2017-10-10 | 2019-04-18 | 深圳光峰科技股份有限公司 | Wavelength conversion device |
| CN114296166A (en) * | 2021-12-03 | 2022-04-08 | 中山大学 | Reflection rotating wheel device and application thereof in laser speckle elimination |
| CN114315342A (en) * | 2021-12-02 | 2022-04-12 | 中山大学 | High-thermal-conductivity high-reflection composite material for weakening laser speckle and preparation method and application thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968332B (en) * | 2013-01-25 | 2015-10-07 | 深圳市光峰光电技术有限公司 | A kind of Wavelength converter, light-emitting device and optical projection system |
| CN104595852B (en) * | 2013-10-30 | 2016-08-24 | 深圳市绎立锐光科技开发有限公司 | A kind of Wavelength converter, diffusing reflection layer, light-source system and optical projection system |
| JP6394144B2 (en) * | 2013-11-08 | 2018-09-26 | 日本電気硝子株式会社 | Fluorescent wheel for projector and light emitting device for projector |
| CN105322433B (en) * | 2014-05-28 | 2020-02-04 | 深圳光峰科技股份有限公司 | Wavelength conversion device and related light emitting device |
| CN204730123U (en) * | 2015-06-01 | 2015-10-28 | 深圳市光峰光电技术有限公司 | Wavelength converter, light-source system and optical projection system |
| CN205720746U (en) * | 2016-04-22 | 2016-11-23 | 深圳市绎立锐光科技开发有限公司 | A kind of reflection unit and relevant wavelength conversion equipment, colour wheel and light-source system |
-
2016
- 2016-04-22 CN CN201620350104.XU patent/CN205720746U/en active Active
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2017
- 2017-04-20 WO PCT/CN2017/081247 patent/WO2017181965A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017181965A1 (en) * | 2016-04-22 | 2017-10-26 | 深圳市绎立锐光科技开发有限公司 | Reflection device, related wavelength conversion device, color wheel, and light source system |
| WO2019071865A1 (en) * | 2017-10-10 | 2019-04-18 | 深圳光峰科技股份有限公司 | Wavelength conversion device |
| CN114315342A (en) * | 2021-12-02 | 2022-04-12 | 中山大学 | High-thermal-conductivity high-reflection composite material for weakening laser speckle and preparation method and application thereof |
| CN114296166A (en) * | 2021-12-03 | 2022-04-08 | 中山大学 | Reflection rotating wheel device and application thereof in laser speckle elimination |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017181965A1 (en) | 2017-10-26 |
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