CN108646508A - Light-emitting device and relevant projecting system - Google Patents
Light-emitting device and relevant projecting system Download PDFInfo
- Publication number
- CN108646508A CN108646508A CN201810408028.7A CN201810408028A CN108646508A CN 108646508 A CN108646508 A CN 108646508A CN 201810408028 A CN201810408028 A CN 201810408028A CN 108646508 A CN108646508 A CN 108646508A
- Authority
- CN
- China
- Prior art keywords
- light
- wavelength converter
- thermal conductive
- conductive zone
- wavelength
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The embodiment of the invention discloses a kind of light-emitting device and projection arrangements, including：Generate the excitation light source of exciting light；Wavelength converter including wavelength conversion layer, the wavelength conversion layer absorb exciting light and are emitted stimulated light；Driving device drives wavelength conversion layer periodic rotary, so that being incident on the hot spot of wavelength conversion layer along predetermined circular motion, the linear velocity in at least partly region of Wavelength converter is more than or equal to 75 meter per seconds；Sealing device, including transparent area and thermal conductive zone, Wavelength converter is set in the sealing device, transparent area transmission peak wavelength conversion equipment emergent light, the light-emitting face of thermal conductive zone and Wavelength converter or the distance between surface corresponding thereto are less than or equal to 1 millimeter, and conduct heat to outside sealing device, and the area of thermal conductive zone is more than or equal to the area of exciting light launching spot.It taking into account the dust-proof of Wavelength converter an embodiment of the present invention provides a kind of and effectively reduces the light-emitting device and relevant projecting system of its operating temperature.
Description
The application be applicant submitted on December 20th, 2012 application No. is the 201210558409.6, applyings date to be
On December 20th, 2012, entitled " light-emitting device and relevant projecting system " divisional application.
Technical field
The present invention relates to illumination and display technology fields, more particularly to a kind of light-emitting device and relevant projecting system.
Background technology
The colourama generated using excitated fluorescent powder is a kind of widely used in fields such as Projection Displays as light source
Scheme.In general, fluorescent powder can be arranged on a high-speed rotating colour wheel, and laser equal excitation light is incident on colour wheel and swashs
The powder that fluoresces generates stimulated light, while generating amount of heat, and the effect of the high-speed rotation of colour wheel is to make the glimmering of different zones
Light powder can be under the irradiation of exciting light in turn, and different zones can share heat, to reduce colour wheel temperature.
Since fluorescent powder is not 100% to the transfer efficiency of exciting light, fluorescent powder will produce a large amount of heat, and colour wheel
Heat dissipation is mainly to be realized by the thermal convection current between colour wheel and air.Although colour wheel exposure in air can conduct heat
Operating temperature is reduced to air, but since air is there are a large amount of dust granule, when wheel surface is attached with dust granule,
A large amount of heat can be gathered around dust granule, it is possible to cause the temperature of colour wheel drastically to increase, or even burn out colour wheel.
Invention content
The invention mainly solves the technical problem of providing a kind of dust-proof and effective reductions taking into account Wavelength converter
The light-emitting device and relevant projecting system of the operating temperature of Wavelength converter.
An embodiment of the present invention provides light-emitting devices, including：
A kind of excitation light source, for generating exciting light；
Wavelength converter, including wavelength conversion layer, the wavelength conversion layer is for absorbing exciting light and being emitted stimulated light；
Driving device, driving device is for driving wavelength conversion layer periodic rotary, so that exciting light is incident on wavelength
Along predetermined circular trace cycle movement, the linear velocity in at least partly region of Wavelength converter is more than hot spot on conversion layer
Equal to 75 meter per seconds；
Sealing device, Wavelength converter are set in the sealing device, which includes transparent area and thermal conductive zone,
Transparent area is for transmiting the light for being emitted to the transparent area from Wavelength converter, the light-emitting face of thermal conductive zone and Wavelength converter
Or the distance between surface opposite with the light-emitting face is less than or equal to 1 millimeter, thermal conductive zone is for passing Wavelength converter
The heat for being handed to the thermal conductive zone is conducted to sealing device, and the area of thermal conductive zone is incident on wavelength more than or equal to exciting light and turns
Change the area of the hot spot of layer.
Preferably, thermal conductive zone is located at position opposite with hot spot on sealing device.
Preferably, the area equation on the surface of the close thermal conductive zone of the area and Wavelength converter of thermal conductive zone.
Preferably, driving device is fixed on the side wall of sealing device.
Preferably, Wavelength converter further includes substrate, which turns for carrying wavelength conversion layer, substrate positioned at wavelength
Change the side of the close thermal conductive zone of layer.
Preferably, the thermal coefficient of substrate is more than the thermal coefficient of the wavelength conversion layer.
Preferably, it is provided with reflecting layer on the substrate of Wavelength converter, which will be incident on the light in the reflecting layer
Reflex to the light-emitting face of Wavelength converter.
Preferably, light-emitting device further includes radiator, and radiator is used to accelerate the heat transfer of thermal conductive zone to the external world
In air.
The present invention also provides a kind of optical projection systems, including above-mentioned light-emitting device.
Compared with prior art, the embodiment of the present invention has the advantages that：
In the embodiment of the present invention, Wavelength converter is located in sealing device, thus Wavelength converter be not in by
The case where dust adheres to.When between the light-emitting face or the surface and thermal conductive zone opposite with the light-emitting face of Wavelength converter
Distance be less than or equal to 1 millimeter, and on wavelength conversion layer at least partly the linear velocity in region be more than or equal to 75 meter per seconds, this is at least
Subregion can generate a larger shearing force to the air layer between Wavelength converter and sealing device so that relatively thin
Air in air layer generates disturbance, and cause the thermal resistance of the air layer relative to it is static when air layer thermal resistance can drastically under
Drop, the heat of Wavelength converter can swiftly pass through air layer and conduct to the thermal conductive zone of sealing device, and will by thermal conductive zone
Heat derives sealing device, to effectively reduce the operating temperature of Wavelength converter, realize taken into account it is dust-proof and effective
Reduce the operating temperature of Wavelength converter.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of light-emitting device of the present invention；
Fig. 2 is between embodiment illustrated in fig. 1 medium wavelength conversion equipment and the thermal conductive zone of sealing device
Thermal resistance with it is between the two at a distance from relation schematic diagram；
Fig. 3 is the structural schematic diagram of another embodiment of light-emitting device of the present invention；
Fig. 4 is the structural schematic diagram of another embodiment of light-emitting device of the present invention；
Fig. 5 is the structural schematic diagram of another embodiment of light-emitting device of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings and embodiment to carry out detailed analysis to the embodiment of the present invention.
Embodiment one：
Fig. 1 is the structural schematic diagram of one embodiment of light-emitting device of the present invention, as shown in Figure 1, light-emitting device includes swashing
Light emitting source 110, Wavelength converter 120, driving device 130, sealing device 140.
Excitation light source 110 is specially laser light source, can generate laser using the exciting light as excitation wavelength transition material.
Certainly, in other embodiment of the invention, excitation light source 110 can also be LED light source etc..
Wavelength converter 120 includes wavelength conversion layer 121.Wavelength conversion layer 121 is provided with wavelength conversion material, wavelength
Transition material can absorb the exciting light of the outgoing of light source 110 and be emitted stimulated light.Wavelength conversion material in the present embodiment is specific
For fluorescent powder, in other embodiment of the invention, wavelength conversion material can also be that quantum dot, fluorescent dye etc. have wavelength
The material of transfer capability, however it is not limited to fluorescent powder.
Driving device 130 can drive 120 periodic rotary of Wavelength converter, turn so that exciting light is incident on wavelength
The hot spot on layer is changed along predetermined circular trace cycle movement, can share heat to the various pieces of the circular trace.It is excellent
Selection of land, Wavelength converter 120 is in the form of annular discs, and wavelength conversion layer 121 is in the ring-type concentric with the disk, and driving device 130 is
Cylinder motor, and driving device 130 and Wavelength converter 120 are coaxial fixed.
Dust-proof in order to be carried out to Wavelength converter 120, Wavelength converter 120 is set in a sealing device 140, should
Sealing device 140 includes thermal conductive zone 141, transparent area 142 and light incidence section 143.
In the present embodiment, transparent area 142 is the transparent region being arranged on the side wall of sealing device 140, the clear area
Domain can transmit the light that transparent area 142 is emitted to from Wavelength converter 120.Specifically, transparent area 142 be provided with glass or
The transparent materials such as PMMA (Polymethylmethacrylate, polymethyl methacrylate).In other embodiment party of the present invention
In formula, transparent area 142 can also be setting optical filter, while realize to the different wave length in the emergent light of Wavelength converter
Light carries out selective filter.Similarly, the transparent region being arranged on the side wall of light incidence section 143 and sealing device, with light transmission
Area 142 the difference lies in that light incidence section 143 is arranged in the light path between excitation light source 110 and Wavelength converter 140, can
To transmit the emergent light of excitation light source 110.
Those skilled in the art it is generally known that, the wavelength conversion material of Wavelength converter will produce largely excitation light absorption
Heat, and the heat of Wavelength converter is conducted to the air in sealing device first, then the air in sealing device 140
It is conducted to sealing device 140, is finally distributed heat in outside air by sealing device 140.Wavelength converter 120 with
Air layer between sealing device 140 is thinner, and thermal resistance is smaller, and the thickness of thermal resistance and air layer is in a linear relationship, therefore wave
The distance between long conversion equipment 120 and sealing device 140 are smaller, and the thermal resistance between both of which is smaller, the thermal resistance with should be away from
From in a linear relationship.But even if the very little at a distance from sealing device 140 of Wavelength converter 120, the thermal resistance of air layer is still
It is very big.
Here, the heat dissipation of the Wavelength converter 120 in sealing device 140 is studied by experiment.According to experiment,
When the rotating speed of Wavelength converter 120 is set as 6000 revs/min, the diameter of Wavelength converter is equal to 30 centimetres, in order to more
Good radiate, and other regions of 140 outer wall of sealing device in addition to light incidence section 143 and transparent area 142 are metal material to make
For thermal conductive zone 141, at this time the thermal resistance between Wavelength converter 120 and the thermal conductive zone 141 of sealing device 140 with it is between the two
The relationship of distance is as shown in Fig. 2, when the distance between Wavelength converter 120 and the thermal conductive zone 141 of sealing device 140 are more than 1
When millimeter, thermal resistance between the two and distance are substantially in a linear relationship, and apart from smaller, Wavelength converter 120 and sealing
Thermal resistance between the thermal conductive zone 141 of device 140 is smaller；When the thermal conductive zone 141 of Wavelength converter 120 and sealing device 140 it
Between distance when being less than or equal to 1 millimeter, as distance reduces, thermal resistance between the two no longer with apart from a linear relationship, but
It strongly reduces, this is different from existing cognition.
Experiment is found, when distance is reduced to 1 millimeter between Wavelength converter 120 and the thermal conductive zone 141 of sealing device 140
Hereinafter, the heat conduction pattern of air layer between the two is changed：Air in air layer will produce disturbance, lead to heat
The decline of resistance drastically, and no longer conduct heat merely by thermal convection current, and this disturbance is due to high-speed rotating wavelength convert
Caused by generation shearing force of the device 120 to air layer.
A diameter of 30 centimetres of the present embodiment medium wavelength conversion equipment and rotating speed is 6000 revs/min, wavelength convert at this time
The rotating speed in the outermost region of device 120 is 188 meter per seconds, and diameter and rotating speed by changing Wavelength converter 120 carry out
A series of experiments is found, only needs the linear velocity of the subregion of Wavelength converter 120 to reach 75 meter per seconds, and wavelength convert fills
It sets the distance between 120 and thermal conductive zone 141 and is less than or equal to 1 millimeter, so that it may substantially reduce Wavelength converter 120 and close to reach
The effect of the thermal resistance of air layer between seal apparatus 140.
In above-mentioned experiment, region of the sealing device 140 other than light incidence section 143 and transparent area 142 is set as metal material
Material is used as thermal conductive zone 141, and by experiment, keep other conditions constant, only change thermal conductive zone area finds with position, even if only
Still there is good result in the inner surface of the sealing device 140 region setting Heat Conduction Material opposite with Wavelength converter 120.
The area for further decreasing thermal conductive zone is found, it is only necessary to be arranged one with Wavelength converter 120 with respect to thermal conductive zone, and ensureing should
The area of thermal conductive zone is more than or equal to the area of the launching spot of Wavelength converter, while meeting the part area of Wavelength converter
The linear velocity in domain reaches 75 meter per seconds, and the distance between Wavelength converter 120 and thermal conductive zone are less than or equal to 1 millimeter, it will be able to
It realizes good heat dissipation, so as to effectively reduce the operating temperature of Wavelength converter 120, has taken into account dust-proof with realization and had
Effect reduces the operating temperature of Wavelength converter 120.
The metal material of thermal conductive zone 141 in the present embodiment is specially aluminium sheet, and aluminium sheet is a kind of highly heat-conductive material, is had good
The conducting power of good heat.Thermal conductive zone 141 Wavelength converter 120 can be transferred to the thermal conductive zone 141 heat conduct to
Outside sealing device 140.In other embodiments of the present invention, the metal heat-conductings material such as copper, silver can be arranged in thermal conductive zone 141
Material, can also be arranged the ceramics material such as aluminium oxide, aluminium nitride, gallium nitride, diamond thin, semiconductor system can also be arranged
The cooling devices such as cooler can act as the effect of heat transfer.
It is worth noting that the light-emitting face of the Wavelength converter 120 in the present embodiment is parallel set with thermal conductive zone 141
It sets, but due to error etc., the two may not be to be substantially parallel, as long as ensureing that maximum distance between the two is less than
Equal to 1 millimeter.Here light-emitting face refers to Wavelength converter 120 for being emitted stimulated light or stimulated light and excitation
The surface of the mixed light of light is specially surface of the wavelength conversion layer 121 close to thermal conductive zone 141 in the present embodiment.Certainly, it is easy reason
Solution, the light-emitting face of Wavelength converter 120 and thermal conductive zone 141 closer to parallel, what the distance of the two can be arranged
It is smaller, be more conducive to radiate.
In the present embodiment, driving device 130 is preferably fluid bearing motor, and fluid bearing motor has long lifespan, makes an uproar
The low advantage of sound, it is often more important that, fluid bearing motor has good stability of rotation, can make Wavelength converter
The distance between light-emitting face and thermal conductive zone can lean on closer to.
The present embodiment medium wavelength conversion equipment 120 further includes substrate 122, which is transparent glass, can be to wavelength
Conversion layer 121 is played a supporting role.Preferably, one layer of filter coating is arranged in the surface of substrate 122, which can transmit excitation
Light and reflect stimulated light, the utilization rate of stimulated light can be improved；Further, filter coating can transmit the excitation of low-angle incidence
Light and the exciting light for reflecting stimulated light and wide-angle can improve exciting light and be excited light utilization efficiency simultaneously.But turn in wavelength
In the case of changing layer rigidity itself enough (such as wavelength conversion layer is formed by the way that fluorescent powder to be entrained in transparent glass),
Substrate is dispensed, and filter coating can be plated in the surface of wavelength conversion layer at this time, equally have the same effect.
In the present embodiment, the position far from exciting light hot spot is arranged on sealing device 140 in thermal conductive zone 141, but works as and lead
When hot-zone 141 is provided with the transparent Heat Conduction Materials such as sapphire, gallium nitride, diamond thin, thermal conductive zone 141 can be arranged in light transmission
The position in area 142, transparent area and thermal conductive zone are combined into a region at this time.
Embodiment two
Fig. 3 is the structural schematic diagram of another embodiment of light-emitting device of the present invention, as shown in figure 3, light-emitting device includes
Excitation light source 210, Wavelength converter 220, driving device 230, sealing device 240.Wavelength converter 220 turns including wavelength
Change layer 221 and substrate 222.Sealing device 240 includes thermal conductive zone 241 and transparent area 242.
The light-emitting device of the present embodiment and the difference of light-emitting device shown in FIG. 1 are：
(1) area of the thermal conductive zone 241 in the present embodiment is smaller, and area is equal to the area of hot spot, still can at this time
Ensure to realize the heat conduction to Wavelength converter 220, keeps it flat simultaneously because the surface to thermal conductive zone 241 is only needed to be processed
Whole degree is higher, and other regions of sealing device 240 do not need, and can reduce cost with sealing device 240.
(2) excitation light source 210 in the present embodiment is arranged in the inside of sealing device 240, and sealing device 240 can be to light
Dust-proof effect is played in source, and light incidence section need not be arranged in sealing device 240.Being readily appreciated that is, other elements can also be set
It is placed in sealing device 240.
(3) in the present embodiment, the transparent area 242 of light-emitting device is a lens.Due to fluorescent powder equiwavelength's transition material
Emergent light for full-shape shine, need be arranged lens be collected to reduce its dispersion angle.In order to improve the collection of lens 242
Effect, lens 242 are needed apart from the closer of wavelength conversion layer, therefore lens 242 are set in sealing device 240, and are used for
The emergent light of Wavelength converter 220 is collected, lens 242 can be arranged in the position closer apart from Wavelength converter 220 at this time
It sets, and easily fixes.
Embodiment three
Fig. 4 is the structural schematic diagram of another embodiment of light-emitting device of the present invention, as shown in figure 4, light-emitting device includes
Excitation light source 310, Wavelength converter 320, driving device 330, sealing device 340.Wavelength converter 320 turns including wavelength
Change layer 321 and substrate 322.Sealing device 340 includes thermal conductive zone 341 and transparent area 342.
The difference of light-emitting device and light-emitting device shown in FIG. 1 in the present embodiment is：
(1) Wavelength converter 320 is reflective colour wheel, and the surface of substrate 322 is provided with reflecting layer, reflecting layer setting
In substrate 322 close to the one side of wavelength conversion layer 321, the emergent light for being incident on the reflecting layer can be reflected.Exciting light is from light transmission
Area 342 is transmitted through Wavelength converter 320, and the emergent light of Wavelength converter 320 also transmits sealing device from transparent area 342
340.Since wavelength conversion layer 321 and substrate 322 are to be in close contact, the heat of wavelength conversion layer 321 can be easy to conduct
Onto substrate 322, the temperature on the surface of light-emitting face and substrate 322 far from wavelength conversion layer 321 of wavelength conversion layer 321 is very
It is close, therefore in the present embodiment, surface of the substrate 322 far from wavelength conversion layer, i.e., Wavelength converter 320 and light-emitting face
When being less than or equal to 1 millimeter at a distance from opposite surface, with thermal conductive zone 341, it is possibility to have the reduction Wavelength converter 320 of effect
Operating temperature.
In the present embodiment, the substrate 322 of Wavelength converter 320 is close to the thermal conductive zone of sealing device 340 341.Substrate phase
For fluorescent powder equiwavelength's transition material, surface smoothness can accomplish higher, therefore between substrate 322 and thermal conductive zone 341
Distance can be with smaller.Preferably, the thermal coefficient of baseplate material is higher than the thermal coefficient of wavelength conversion material, at this time wavelength convert
The heat of device 320 is easier to conduct to thermal conductive zone 341.For example, substrate 322 is metal material, metal has higher heat conduction
Coefficient, while convenient for being machined and higher surface smoothness can be obtained.
In addition, substrate 322 can also be the hard materials with high reflectivity surface such as high anti-aluminium sheet, at this time reflecting layer and
The other parts of substrate are considered as an entirety.In order to distinguish the light path of exciting light and Wavelength converter emergent light, shine
Device is also provided with optical filter 350 to be divided.
(2) for reflective Wavelength converter, the position setting of thermal conductive zone 341 can more optimize.This implementation
In example, thermal conductive zone 341 is arranged on sealing device 340 and the close surface of substrate 322, and is located on the surface and wavelength convert
The opposite position of exciting light hot spot on layer.It is obvious that the highest region of temperature is exciting light hot spot on Wavelength converter 320
The region at place, therefore the position of thermal conductive zone 341 here makes heat more quickly from the conduction of Wavelength converter 320 to leading
Hot-zone 341.Certainly, previous embodiment one, which mentions thermal conductive zone 341, can be arranged to transparent Heat Conduction Material, can similarly be located at
The side wall of the sealing device position opposite with exciting light hot spot, equally can more effectively radiate, but transparent Heat Conduction Material at
Originally undoubtedly more much higher than general Heat Conduction Material.
(3) in the present embodiment, driving device 330 is fixed on the side wall of sealing device 340.This fixed form is easier
Realizing has smaller the air gap between Wavelength converter 320 and thermal conductive zone 341.If driving device and sealing device not phase
To fixation, such as driving device shown in FIG. 1, when assembly generally requires accurate adjusting could be by Wavelength converter and sealing
Device is in close proximity.And when being relatively fixed, being easier accuracy guarantee directly by mechanical parts, there are one very littles between the two
The air gap.
Example IV
Fig. 5 is the structural schematic diagram of another embodiment of light-emitting device of the present invention, as shown in figure 5, light-emitting device includes
Excitation light source 410, Wavelength converter 420, driving device 430, sealing device 440, optical filter 470.Wavelength converter 420
Including wavelength conversion layer 421 and substrate 422.Sealing device 440 includes thermal conductive zone 441 and transparent area 442.
The difference of the light-emitting device light-emitting device as shown in fig. 4 of the present embodiment is：
(1) area of the thermal conductive zone 441 in the present embodiment is more than the area for the exciting light hot spot for being incident on wavelength conversion layer,
And it is close with the area of substrate 422.It is easily understood that the area of thermal conductive zone 441 is bigger, capacity of heat transmission is stronger.Consider
To the material cost and the capacity of heat transmission for taking into account thermal conductive zone 441, the area of thermal conductive zone 441 is led with the close of Wavelength converter 420
The area equation on the surface of hot-zone 441, specifically in the present embodiment, that is, the area of thermal conductive zone 441 and substrate 422 area
It is equal.
(2) in the present embodiment, light-emitting device further includes radiator 450, which abuts the first outer surface,
First outer surface is the outer surface of the side wall of the sealing device where thermal conductive zone 441.Radiator 450 is specially radiator,
Including radiating fin and connect radiating fin and the first outer surface heat pipe, actually heat pipe be exactly indirectly with 441 phase of thermal conductive zone
The heat transfer of thermal conductive zone 441 is accelerated in connection, to accelerate the heat transfer of Wavelength converter 420 indirectly.Further, it sends out
Fan 460 can also be arranged in electro-optical device, which is also disposed on the first outer surface of sealing device 440, opposite can dissipate
Hot device blowing, to accelerate the heat dissipation of radiator.Certainly, radiating fin and fan 460 can also be not arranged in the first outer surface
On, and be arranged in the other surface, it can equally play the role of accelerating the heat dissipation of thermal conductive zone 441.
On the other hand, it is fixedly connected with Wavelength converter 420 due to driving device 430, wavelength convert dress
Setting 420 heat can conduct to driving device 430, and the temperature of driving device 430 also can be very high.And here, driving device 430 is
It is fixed on the side wall where thermal conductive zone, the protrusion branch in the first outer surface generates thermal convection current to the radiating fin of surrounding
And the heat dissipation of driving device 430 can be accelerated.Further, the non-rotatable member of driving device 430 can be with radiating fin phase
Contact so that the heat dissipation of driving device 430 is faster.Similarly, being set to the fan 460 of the first outer surface can similarly accelerate
The heat dissipation of driving device 430.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The embodiment of the present invention also provides a kind of optical projection system, including light-emitting device, which can have above-mentioned each
Structure in embodiment and function.Various shadow casting techniques, such as liquid crystal display (LCD, Liquid may be used in the optical projection system
Crystal Display) shadow casting technique, digital light processor (DLP, Digital Light Processor) shadow casting technique.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of light-emitting device, which is characterized in that including：
Excitation light source, for generating exciting light；
Wavelength converter, including wavelength conversion layer, the wavelength conversion layer is for absorbing the exciting light and being emitted stimulated light；
Driving device, for driving the Wavelength converter periodic rotary；
Sealing device, including transparent area and thermal conductive zone, the Wavelength converter and the excitation light source are set to the sealing
In device, the transparent area is used for transmiting the light for being emitted to the transparent area from the Wavelength converter, the thermal conductive zone
It is conducted to the sealing device in the heat that the Wavelength converter is transferred to the thermal conductive zone；
The thermal conductive zone and the light-emitting face of Wavelength converter or the surface the distance between opposite with the light-emitting face
Less than or equal to 1 millimeter.
2. light-emitting device according to claim 1, it is characterised in that：The light-emitting face of the Wavelength converter with it is described
Thermal conductive zone is parallel.
3. light-emitting device according to claim 1, it is characterised in that：At least partly region of the Wavelength converter
Linear velocity is more than or equal to 75 meter per seconds.
4. light-emitting device according to claim 1, it is characterised in that：The driving device is fixed on the wavelength convert dress
It sets and in the sealing device；Or
The driving device is fixed on the side wall of the sealing device.
5. light-emitting device according to claim 1, it is characterised in that：The Wavelength converter is provided with filter coating, institute
Filter coating is stated for transmiting stimulated light described in the excitation light reflection.
6. light-emitting device according to claim 1, it is characterised in that：The Wavelength converter further includes substrate, described
Substrate is located at the side close to the thermal conductive zone of the wavelength conversion layer for carrying the wavelength conversion layer, the substrate.
7. light-emitting device according to claim 6, it is characterised in that：It is provided on the substrate of the Wavelength converter anti-
Layer is penetrated, which will be incident on the light reflection in the reflecting layer to the light-emitting face of the Wavelength converter.
8. light-emitting device according to claim 1, it is characterised in that：The light-emitting device further includes radiator, described
Radiator is used to accelerate in the heat transfer to outside air of the thermal conductive zone.
9. light-emitting device according to claim 8, it is characterised in that：The radiator is radiator, the radiator
Heat pipe including radiating fin and the connection radiating fin and the first outer surface, first outer surface is where thermal conductive zone
The outer surface of the side wall of sealing device.
10. a kind of optical projection system, which is characterized in that including light-emitting device as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810408028.7A CN108646508B (en) | 2012-12-20 | 2012-12-20 | Light emitting device and related projection system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810408028.7A CN108646508B (en) | 2012-12-20 | 2012-12-20 | Light emitting device and related projection system |
| CN201210558409.6A CN103885274B (en) | 2012-12-20 | 2012-12-20 | Light-emitting device and relevant projecting system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210558409.6A Division CN103885274B (en) | 2012-12-20 | 2012-12-20 | Light-emitting device and relevant projecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108646508A true CN108646508A (en) | 2018-10-12 |
| CN108646508B CN108646508B (en) | 2021-06-08 |
Family
ID=50954236
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210558409.6A Active CN103885274B (en) | 2012-12-20 | 2012-12-20 | Light-emitting device and relevant projecting system |
| CN201810408028.7A Active CN108646508B (en) | 2012-12-20 | 2012-12-20 | Light emitting device and related projection system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210558409.6A Active CN103885274B (en) | 2012-12-20 | 2012-12-20 | Light-emitting device and relevant projecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103885274B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200222B (en) * | 2014-12-08 | 2018-02-09 | 台达电子工业股份有限公司 | color wheel device |
| US9897795B2 (en) | 2014-12-08 | 2018-02-20 | Delta Electronics, Inc. | Color wheel device |
| CN204534444U (en) * | 2015-01-31 | 2015-08-05 | 杨毅 | Wavelength converter and light-emitting device |
| CN106324956A (en) * | 2015-06-30 | 2017-01-11 | 海信集团有限公司 | Laser light source heat dissipation system and laser projection system |
| CN106444241A (en) | 2015-08-04 | 2017-02-22 | 海信集团有限公司 | Laser light source and laser projection display device |
| CN105068367B (en) * | 2015-08-04 | 2017-08-29 | 杨毅 | Light-emitting device, projection display equipment and light fixture |
| CN106444239A (en) * | 2015-08-04 | 2017-02-22 | 杨毅 | Illuminating device, lighting fitting, projection display device |
| CN105301750B (en) * | 2015-10-12 | 2018-12-25 | 杨毅 | Optics module, light emitting device and projection display equipment |
| CN105301881B (en) * | 2015-10-12 | 2017-11-07 | 杨毅 | Light-emitting device and projection display equipment |
| CN106597785B (en) * | 2015-10-14 | 2019-02-22 | 海信集团有限公司 | A kind of fluorescent wheel and two-color laser light source |
| JP6888381B2 (en) * | 2017-04-06 | 2021-06-16 | セイコーエプソン株式会社 | Light source device and projector |
| JP7107319B2 (en) * | 2017-08-17 | 2022-07-27 | ソニーグループ株式会社 | Light source device and projection display device |
| CN114518650A (en) * | 2018-04-12 | 2022-05-20 | 深圳光峰科技股份有限公司 | Color wheel assembly, light source system and projection equipment |
| CN112666780B (en) | 2019-10-15 | 2022-06-24 | 台达电子工业股份有限公司 | Wavelength conversion device |
| US11753999B2 (en) | 2021-06-17 | 2023-09-12 | General Electric Company | Gas turbine sensor assembly and associated shutter mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020003704A1 (en) * | 2000-05-25 | 2002-01-10 | Hideki Ohmae | Color wheel assembly and color sequential display device using the same, color wheel unit and color sequential display device using the same, and color sequential display device |
| CN1725100A (en) * | 2004-07-19 | 2006-01-25 | 精碟科技股份有限公司 | Color wheel set |
| WO2010116444A1 (en) * | 2009-03-30 | 2010-10-14 | Ｎｅｃディスプレイソリューションズ株式会社 | Projection type display device |
| CN102305386A (en) * | 2008-01-29 | 2012-01-04 | 绎立锐光科技开发(深圳)有限公司 | Light source structure and method for improving light conversion efficiency based on fluorescent powder |
| CN102455580A (en) * | 2010-10-21 | 2012-05-16 | 中强光电股份有限公司 | Cooling module for optical projection system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4022344B2 (en) * | 1999-09-27 | 2007-12-19 | 株式会社日立製作所 | Rotating color filter unit and projection system using the same |
| CN2812047Y (en) * | 2005-03-31 | 2006-08-30 | 联想(北京)有限公司 | Dust-proof protector for color wheel of projector |
| JP2008052176A (en) * | 2006-08-28 | 2008-03-06 | Minebea Co Ltd | Color wheel unit |
| JP2008225407A (en) * | 2007-03-16 | 2008-09-25 | Seiko Epson Corp | Projector |
| CN202549931U (en) * | 2011-11-25 | 2012-11-21 | 深圳市光峰光电技术有限公司 | Wavelength conversion device and light emitting device |
-
2012
- 2012-12-20 CN CN201210558409.6A patent/CN103885274B/en active Active
- 2012-12-20 CN CN201810408028.7A patent/CN108646508B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020003704A1 (en) * | 2000-05-25 | 2002-01-10 | Hideki Ohmae | Color wheel assembly and color sequential display device using the same, color wheel unit and color sequential display device using the same, and color sequential display device |
| CN1725100A (en) * | 2004-07-19 | 2006-01-25 | 精碟科技股份有限公司 | Color wheel set |
| CN102305386A (en) * | 2008-01-29 | 2012-01-04 | 绎立锐光科技开发(深圳)有限公司 | Light source structure and method for improving light conversion efficiency based on fluorescent powder |
| WO2010116444A1 (en) * | 2009-03-30 | 2010-10-14 | Ｎｅｃディスプレイソリューションズ株式会社 | Projection type display device |
| CN102455580A (en) * | 2010-10-21 | 2012-05-16 | 中强光电股份有限公司 | Cooling module for optical projection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108646508B (en) | 2021-06-08 |
| CN103885274A (en) | 2014-06-25 |
| CN103885274B (en) | 2018-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103885274B (en) | Light-emitting device and relevant projecting system | |
| US10670951B2 (en) | Wavelength conversion device, light-emitting device and projection system | |
| JP6096937B2 (en) | Light emitting device and related projection system | |
| JP5970661B2 (en) | Wavelength conversion member, light source, and automotive headlamp | |
| CN203549686U (en) | Wavelength conversion device and relevant light source system and projection system | |
| CN104865779B (en) | Cooling of converter devices for high brightness light sources | |
| CN203259763U (en) | Wavelength conversion device and light-emitting device | |
| JP2015138168A (en) | Fluorescence emitting element and projector | |
| CN103026126B (en) | Phosphor-coated light-emitting device | |
| CN103838068A (en) | Light emitting device and related projection system thereof | |
| TWI617059B (en) | Illumination system and wavelength-converting deivce thereof | |
| CN202549931U (en) | Wavelength conversion device and light emitting device | |
| WO2020048101A1 (en) | Wavelength conversion device and light source system | |
| CN108983496A (en) | Backlight module and display device | |
| CN109578823B (en) | Laser white light source with laser diode and fluorescent powder film cooled simultaneously | |
| CN110764352B (en) | Wavelength conversion device, laser fluorescent light source and projection equipment | |
| TWI719706B (en) | Wavelength conversion unit and lighting device | |
| CN216526711U (en) | Color wheel assembly and projection device | |
| CN110837198B (en) | Wavelength conversion member and laser light source | |
| KR101079777B1 (en) | LED lighting apparatus, back-light unit and display apparatus | |
| JP2013093268A (en) | Wavelength conversion type light source device | |
| CN213630088U (en) | Light converter heat radiation structure | |
| US20230023296A1 (en) | Phosphor wheel, light source device, and projection image display device | |
| CN116224693A (en) | Color wheel assembly and projection device | |
| CN112254021A (en) | Color temperature adjustable laser lighting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Applicant after: APPOTRONICS Corp.,Ltd. Address before: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Applicant before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Applicant after: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address before: 518000 20th Floor, United Headquarters Building, No. 63 Xuefu Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: APPOTRONICS Corp.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |