CN109991802A - Light-source system and projection device - Google Patents
Light-source system and projection device Download PDFInfo
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- CN109991802A CN109991802A CN201810005309.8A CN201810005309A CN109991802A CN 109991802 A CN109991802 A CN 109991802A CN 201810005309 A CN201810005309 A CN 201810005309A CN 109991802 A CN109991802 A CN 109991802A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 13
- 230000005284 excitation Effects 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims description 46
- 239000013589 supplement Substances 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 2
- 230000011514 reflex Effects 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 11
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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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
-
- 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
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
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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
- G03B21/2066—Reflectors in illumination beam
-
- 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
- G03B21/208—Homogenising, shaping of the illumination light
Abstract
The present invention provides a kind of light-source system and projection device, and the light-source system includes main light source and Wavelength converter, and the main light source is for issuing laser as exciting light；The Wavelength converter includes substrate, the substrate includes side wall cylindrical in shape, wavelength conversion material is provided on the wall outer surface, the wavelength conversion material is for receiving the exciting light and carrying out wavelength convert to the exciting light, and it is emitted the stimulated light of at least one color, the height dimension of the side wall is suitable with excitation light spot size thereon is incident to.The cylindrical sidewall height of Wavelength converter substrate in light-source system provided by the invention can be made thin, and the shape of the light-source system is allowed to be made thin, be conducive to the slimming design of the light-source system.The cross section of the substrate can be very big, improves the transfer efficiency of the Wavelength converter, is conducive to the projection quality of the brightness for promoting the light-source system and the projection device.
Description
Technical field
The present invention relates to projection art more particularly to a kind of light-source systems and projection device.
Background technique
This part intends to provides background or context for a specific embodiment of the invention stated in claims.This
The description at place recognizes it is the prior art not because not being included in this section.
The colour wheel of sheet type is widely adopted, technology comparative maturity, and there are many schemes for design alternative.But
The thickness of light-source system will lead to when colour wheel is made the larger heat dissipation performance to improve colour wheel for the colour wheel of this structure
Increase, and it is desirable that the slimming accomplished runs in the opposite direction.
Summary of the invention
The present invention provides a kind of light-source system of slimming, this shines and also provides a kind of projection device.
A kind of light-source system, comprising:
Main light source, for issuing laser as exciting light；
Wavelength converter, the Wavelength converter include substrate, and the substrate includes side wall cylindrical in shape, the side
Wavelength conversion material is provided on wall outer surface, the wavelength conversion material is for receiving the exciting light and to the exciting light
Carry out wavelength convert, and be emitted the stimulated light of at least one color, the height dimension of the side wall at least be incident to thereon
Excitation light spot size is suitable.
A kind of projection device, using light-source system as described above.
It the side wall of tubular substrate on Wavelength converter in light-source system provided by the invention and is incident to thereon
Excitation light spot size is suitable, i.e., the height of the described Wavelength converter substrate cylindrical sidewall can be made thin, so that using
The shape of the light-source system of the Wavelength converter can be made thin, be conducive to the slimming design of the light-source system.
In addition, the cross section of the substrate can be very big, the heat dissipation performance of the Wavelength converter is improved, and is able to bear bigger
Optical power, improve the capacity usage ratio of the Wavelength converter, be conducive to the brightness for promoting the light-source system and described
The projection quality of optical projection system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the light-source system that first embodiment of the invention provides.
Fig. 2 is the structural schematic diagram of the second embodiment of Wavelength converter as shown in Figure 1.
Fig. 3 is another angle schematic diagram of Wavelength converter as shown in Figure 2.
Fig. 4 is the structural schematic diagram for the light-source system that second embodiment of the invention provides.
Fig. 5 is another embodiment schematic diagram of second embodiment as shown in Figure 4.
Fig. 6 is the partial structural diagram in the non-conversion area of Wavelength converter as shown in Figure 5.
Main element symbol description
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Referring to Fig. 1, the structural schematic diagram of the light-source system 100 provided for first embodiment of the invention.The present invention provides
100 hot spot color of light-source system and brightness uniformity, can be applied in projection device.
Light-source system 100, comprising: main light source 110, Wavelength converter 130 and guide device 150.Wherein, main light source
110 for issuing exciting light；Wavelength converter 130, is provided with wavelength conversion material, under the action of the exciting light
Generate the stimulated light of at least one color；Guide device 150, for guiding the exciting light to be incident to Wavelength converter 130,
And the light from light source system 100 that guide wavelength conversion equipment 130 is emitted is emitted.
Specifically, main light source 110 includes for generating the illuminator 111 of exciting light and carrying out even light to the exciting light
Light balancing device 112.
Further, main light source can be blue-light source, issue blue excitation light.It is understood that main light source is unlimited
In blue-light source, main light source is also possible to purple light source, red light source or green light source etc..In present embodiment, illuminator 111
For blue laser, for issuing blue laser as exciting light.It is appreciated that illuminator 111 may include one, two indigo plants
The quantity of color laser or blue laser array, its specific laser can be selected according to actual needs.
Light balancing device 112 is used to after the exciting light is carried out even light be emitted.In the present embodiment, light balancing device 112 is even
Optical wand, it is to be understood that in other embodiments, light balancing device 112 may include fly's-eye lens etc., be not limited thereto.
The Wavelength converter 130 for being provided with filter layer (not shown) includes substrate 131 cylindrical in shape, 131 side wall of substrate
The wavelength conversion material is provided on outer surface, the wavelength conversion material is for receiving the exciting light and to the excitation
Light carries out wavelength convert.Wavelength converter 130 is additionally provided with driving unit 139, effect of the substrate 131 in driving unit 139
Under around rotary shaft Periodic Rotating, projection of the substrate 131 along the incident ray direction of propagation is in bar shaped.The filter layer is used for
The light being emitted to Wavelength converter 130 carries out repairing color, to improve emergent light color purity.
Transition zone and non-conversion area B are provided on 131 wall outer surface of substrate, the transition zone includes section R and section
G, section R and section G are separately provided for generating the wavelength convert of red and green stimulated light under the excitation light action
Material, non-conversion area B are provided with scattering material for being emitted after being scattered to the exciting light.Section R, section G with non-turn
It changes in the optical path where area B is alternately located in the exciting light under the drive of driving unit 139.
Join domain between section R, section G and non-conversion area B is spoke area S.It is rotated when Wavelength converter 130
When position just makes the exciting light hot spot be radiated at the spoke area S, two different colors of light can be issued.For ray machine
For system, this mixed light can not be handled.Therefore, in actual product, it usually needs the light of this part is abandoned,
One typical spoke area S angle is 12 °, in this way, revolving in the period turned around in Wavelength converter 130, for three-stage
Wavelength converter 130, have 36 ° angle generate light energy can not utilize.Thus cause Wavelength converter 130
The reduction of capacity usage ratio.
To solve the above problems, the height dimension of Wavelength converter 130 can be made thin, i.e. Wavelength converter
130 can be made thin along the size of the parallel rotary axis direction, and at least be radiated at swashing on Wavelength converter 130
Luminous spot size is suitable, is conducive to light-source system 100 and realizes slimming；In addition, the cross section of Wavelength converter 130 (is hung down
Directly in the section of the rotary shaft) it can be made big, on 130 side wall of Wavelength converter occupied by the exciting light hot spot
Angle very little, to reduce loss in efficiency caused by spoke area S；Simultaneously because the contact area with air is big, wavelength convert
The heat dissipation performance of device 130 can also improve, to improve the transfer efficiency and capacity usage ratio of Wavelength converter 130.
Fig. 2-Fig. 3 is please referred to, Fig. 2 is the structural representation of the second embodiment of Wavelength converter 130 as shown in Figure 1
Figure.Fig. 3 is another angle schematic diagram of Wavelength converter 230 as shown in Figure 2.The second of Wavelength converter 230 is implemented
In mode, Wavelength converter 230 is additionally provided with fixing piece 233, and driving unit 239 is set to 231 inside of substrate, fixing piece
233 one end connects driving unit 239, and the other end of fixing piece 233 is connected to 231 side wall inner surfaces of substrate and corresponds to spoke area S
Region, enable substrate 231 in company with 239 Periodic Rotating of driving unit, and keep structure more compact.For three-stage
There are three fixing pieces 233 for the setting of Wavelength converter 230.In another embodiment, the wavelength convert of two-part is filled
230 are set, the transition zone of Wavelength converter 230 is only emitted a kind of stimulated light of color, then there are two fixing pieces 233 for setting.
It is understood that radiator, such as cooling fin has can be set in the inner sidewall of substrate 231, further to mention
The heat dissipation performance of high Wavelength converter 230.
Further referring to Fig. 1, guide device 150 includes convergent lens 151, the first reflecting element 152a, the first light splitting
Optical filter 152b, collecting lens group 154, relay lens 155 and light balancing device 156.The exciting light successively passes through convergent lens
151 assemble, the first light splitting optical filter 152b is transmitted, after the convergence of collecting lens group 154, are incident to Wavelength converter 130.
The stimulated light that Wavelength converter 130 is emitted successively passes through the collimation of collecting lens group 154, light splitting light combination element part
152a reflects, is incident to light balancing device 156 after the adjustment angle of divergence of relay lens 155；
Exciting light after the scattering that Wavelength converter 130 is emitted successively passes through the collimation of collecting lens group 154, the first light splitting
Optical filter 152b transmission, the first reflecting element 152a reflection, the first light splitting optical filter 152b transmission, the adjustment of relay lens 155
Light balancing device 156 is incident to after the angle of divergence；
The stimulated light and the exciting light are emitted after even light from light-source system 100 in light balancing device 156.
Wherein, the light splitting of the first reflecting element 152a and first optical filter 152b is set to main light source 110 and wavelength convert fills
It sets between 130.First light splitting optical filter 152b is for transmiting the exciting light and reflecting the stimulated light, the first reflecting element
152a is stacked for reflecting the exciting light, first light splitting optical filter 152b and the first reflecting element 152a, the first light splitting
Optical filter 152b is relative to the first reflecting element 152a far from main light source 110.First light splitting optical filter 152b is anti-relative to first
Element 152a long is penetrated, after causing the exciting light that do not converted to be divided optical filter 152b through first, part is incident to first
Hence into light balancing device 156, the remainder of the exciting light passes through the first light splitting optical filter 152a not to be had reflecting element 152a
Have and received by the first reflecting element 152b, improves purity and the projection quality of outgoing primary lights.
Specifically, the first light splitting optical filter 152b for transmitting blue exciting light and reflects red and green stimulated light, the
One light splitting optical filter 152b can be saturating Lan Fanhuang dichroic filter.First reflecting element 152a is excited for reflection blue
Light can be total reflection mirror or bandpass filter.
It is preset it is understood that order can be respectively set in the first light splitting optical filter 152b and the first reflecting element 152
The light of wave-length coverage passes through, to carry out repairing color to incident ray.
154 adjacent wavelengths conversion equipment 130 of collecting lens group setting, collecting lens group 154 be used for be incident to wavelength turn
The light of changing device 130 is assembled, and the light being emitted to Wavelength converter 130 collimates.In present embodiment, receive
Integrate lens group 154 as convex lens；In one embodiment, collecting lens group 154 may include multiple focal lengths of optical axis overlapping
Different lens compositions, wherein adjacent wavelengths conversion equipment 130 is smaller apart from the closer focal length of lens, to reach to being incident to wave
The light of long conversion equipment 130 is assembled, the effect to being collimated from 130 emergent ray of Wavelength converter.
Collecting lens group 154 is not overlapped with the optical axis of main light source 110, and the exciting light is to deviate 154 light of collecting lens group
The position of axis is incident to collecting lens group 154, exposes to wavelength after the convergence of collecting lens group 154 with certain tilt angle
Conversion equipment 130, and formed on Wavelength converter 130 compared with small light spot.The non-conversion area B of Wavelength converter 130 connects
Receive the exciting light, to being reflected away in the form of Gauss light after exciting light scattering, i.e., the incident ray of non-conversion area B with
Emergent ray optical path is symmetrical along 154 optical axis of collecting lens group.When the exciting light exposes to the transition zone, the transition zone
The stimulated light for issuing lambert's light form, is incident to collecting lens group 154 with the biggish angle of divergence.It is understood that in one kind
In embodiment, non-conversion area B scatters out exciting light in the form of other light.
Relay lens 155 adjusts the angle of divergence of incident ray, and directs it to light balancing device 156.It is even in the present embodiment
Optical device 156 be optical tunnel, it is to be understood that in other embodiments, light balancing device 156 may include fly's-eye lens etc. its
His device, is not limited thereto.
In the present embodiment, the height dimension of Wavelength converter 130 can be made thin, i.e. 130 edge of Wavelength converter
The size of the parallel rotary axis direction can be made thin, and with the exciting light hot spot that is radiated on Wavelength converter 130
Size is suitable, is conducive to light-source system 100 and realizes slimming；In addition, the cross section of Wavelength converter 130 is (perpendicular to described
The section of rotary shaft) it can be made big, the angle on 130 side wall of Wavelength converter occupied by the exciting light hot spot is very
It is small, to reduce loss in efficiency caused by spoke area S；Simultaneously because the contact area with air is big, Wavelength converter 130
Heat dissipation performance can also improve, to improve the transfer efficiency of Wavelength converter 130.
In one embodiment, include key light original 110 and Wavelength converter 130 in light-source system 100, omit guidance
Device 150.Light-source system 100 be emitted exciting light direct irradiation to 130 substrate 131 of Wavelength converter wall outer surface,
Identical with first embodiment, 131 Sidewall Height of substrate can be made thin, and cross section is made greatly, to realize light source system
The slimming of system 100, and improve the transfer efficiency of Wavelength converter 130.
Referring to Fig. 4, the structural schematic diagram of the light-source system 300 provided for second embodiment of the invention.Light-source system 300
Compared with light-source system 100, the main distinction is, light-source system 300 further includes the supplement light source 370 for issuing supplement light,
Correspondingly, Wavelength converter 330 omits filter layer structure, and the first light splitting optical filter 352a in guide device 350 corresponds to institute
It states supplement light and is provided with coating film area, the first light splitting optical filter 352a is also used to transmit the supplement light, and the supplement light passes through
First reflecting element 352b and the coating film area and stimulated light carry out light combination.
Specifically, supplement light source 370 include illuminator 371, light balancing device 372, convergent lens 373, dispersing element 374 and
Relay lens 375.
In the present embodiment, illuminator 371 is red laser, to issue red laser as red supplement light, to red
Color stimulated light repair color to improve the purity that light-source system 300 is emitted red primary light, and correspondingly Wavelength converter 330 omits
Filter layer structure.
The supplement light that illuminator 371 issues passes through first after 374 eliminating coherence of dispersing element, relay lens 375 are assembled
Reflecting element 352a is focused near the first light splitting optical filter 352b.First reflecting element 352a can be red anti-blue light splitting thoroughly
The light splitting optical filter of optical filter or region plated film；The hot spot that first light splitting light combination element 352b corresponds to the supplement light is set
The coating film area set is covered with full-trans-parent film, or the saturating red blue anti-green dichroic film of covering.Since the hot spot of the supplement light is smaller, therefore
The coating film area can be made small, to reduce the loss of stimulated light.
It is identical with the first embodiment, the height dimension of Wavelength converter 330 can be made thin, i.e. wavelength convert
Size of the device 330 along parallel optical axis direction can be made thin, and with the excitation light that is radiated on Wavelength converter 330
Spot size is suitable, is conducive to light-source system 300 and realizes slimming；In addition, the cross section of Wavelength converter 330 is (perpendicular to it
The section of optical axis) it can be made big, the angle on 330 side wall of Wavelength converter occupied by the exciting light hot spot is very
It is small, to reduce loss in efficiency caused by spoke area S；Simultaneously because the contact area with air is big, Wavelength converter 330
Heat dissipation performance can also improve, to improve the transfer efficiency of Wavelength converter 330.
Fig. 5-Fig. 6 is please referred to, Fig. 5 is another embodiment schematic diagram of second embodiment as shown in Figure 4, and Fig. 6 is such as
The partial structural diagram of the non-conversion area B of Wavelength converter 430 shown in fig. 5.In present embodiment, light-source system 400
It is with the main distinction of light-source system 300, non-turn of the non-conversion area B of Wavelength converter 430 and Wavelength converter 330
It is different to change area's B structure, correspondingly, the optical axis of the collecting lens group 454 in guide device 450 and the optical axis coincidence of main light source 410,
Save the inner space of light-source system 400.
As shown in fig. 6, the 431 surface non-conversion area B of substrate of Wavelength converter 430 is provided with reflecting slant, so that non-
The incident exciting light of transition zone B is separated with the optical path that it is emitted exciting light, thus the light of collecting lens group 454 and main light source 410
Axis does not need to deviate.It is understood that a reflecting slant or non-conversion area can be set in 431 surface non-conversion area B of substrate
B surface is provided with multiple reflecting slants, and the multiple reflecting slant connects into zigzag two-by-two and is arranged in non-conversion area table
Face.In a kind of possible embodiment, the reflecting slant can be to be set to the micro-structure of non-conversion area B surface.
It is identical with the first embodiment, the height dimension of Wavelength converter 430 can be made thin, i.e. wavelength convert
Size of the device 430 along parallel optical axis direction can be made thin, and at least with the excitation that is radiated on Wavelength converter 430
Light spot size is suitable, is conducive to light-source system 400 and realizes slimming；In addition, the cross section of Wavelength converter 430 is (vertical
In the section of its optical axis) it can be made big, the angle on 430 side wall of Wavelength converter occupied by the exciting light hot spot
Very little, to reduce loss in efficiency caused by spoke area S；Simultaneously because the contact area with air is big, Wavelength converter 430
Heat dissipation performance can also improve, to improve the transfer efficiency of Wavelength converter 430.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all 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-source system characterized by comprising
Main light source, for issuing laser as exciting light；
Wavelength converter, the Wavelength converter include substrate, and the substrate includes side wall cylindrical in shape, outside the side wall
Wavelength conversion material is provided on surface, the wavelength conversion material is for receiving the exciting light and carrying out to the exciting light
Wavelength convert, and be emitted the stimulated light of at least one color, the height dimension of the side wall at least be incident to excitation thereon
Light spot size is suitable.
2. light-source system as described in claim 1, which is characterized in that be provided on the substrate wall outer surface transition zone with
Non-conversion area, the transition zone include at least one section, and different sections is separately provided for generation different colours and is excited
The wavelength conversion material of light, the non-conversion area are provided with scattering material for being scattered to incident ray.
3. light-source system as claimed in claim 2, which is characterized in that between the transition zone and the non-conversion area
Join domain between join domain and the transition zone is spoke area, and the Wavelength converter is gone back on the inside of the substrate
It is provided with driving unit and fixing piece, the both ends of the fixing piece are separately connected table in the driving unit and the substrate side wall
Face corresponds to the region in the spoke area, and the driving unit is for driving the substrate cycle movement.
4. light-source system as described in claim 1, which is characterized in that the light-source system further includes the first reflecting element,
One light splitting optical filter, relay lens and light balancing device, the second light splitting optical filter is for guiding the exciting light to be incident to institute
Wavelength converter is stated, and the guidance stimulated light is incident to the light balancing device, first reflecting element is used for will be described
The exciting light of Wavelength converter outgoing reflexes to the light balancing device, and the light balancing device is to incident stimulated light and exciting light
It is emitted after carrying out even light.
5. light-source system as claimed in claim 4, which is characterized in that the first light splitting optical filter and the wavelength convert fill
Collecting lens group is additionally provided between setting, the collecting lens group is used to carry out the light for being incident to the Wavelength converter
It assembles, and the light of Wavelength converter outgoing is collimated.
6. light-source system as claimed in claim 5, which is characterized in that the optical axis of the collecting lens group and the main light source is not
It is overlapped, the exciting light exposes to the wavelength convert dress after the convergence of the collecting lens group with certain tilt angle
It sets, the Wavelength converter includes the filter layer for being covered in the substrate surface, the incident ray of the Wavelength converter
Color is repaired by the filter layer with emergent ray, the incident ray optical path and emergent ray optical path in the non-conversion area are described in
Collecting lens group optical axis is symmetrical.
7. light-source system as claimed in claim 5, which is characterized in that non-conversion area surface is provided with reflecting slant, makes
The incident exciting light for obtaining the non-conversion area is separated with outgoing exciting light optical path, the light of the collecting lens group and the main light source
Overlapping of axles.
8. light-source system as claimed in claim 7, which is characterized in that it is oblique that non-conversion area surface is provided with multiple reflections
Face, the multiple reflecting slant connect into zigzag two-by-two and are arranged in non-conversion area surface.
9. light-source system as claimed in claim 5, which is characterized in that the light-source system further includes supplement light source, the benefit
The supplement light of light source outgoing is filled for carrying out repairing color to the stimulated light that the Wavelength converter is emitted, and the supplement light is described
First light splitting optical filter is nearby assembled, and the hot spot that the first light splitting optical filter corresponds to the supplement light is provided with coating film area,
The supplement light passes through the coating film area and the stimulated light carries out light combination.
10. a kind of projection device, which is characterized in that apply light-source system as described in any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005309.8A CN109991802A (en) | 2018-01-03 | 2018-01-03 | Light-source system and projection device |
| PCT/CN2018/080873 WO2019134265A1 (en) | 2018-01-03 | 2018-03-28 | Light source system and projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005309.8A CN109991802A (en) | 2018-01-03 | 2018-01-03 | Light-source system and projection device |
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| Publication Number | Publication Date |
|---|---|
| CN109991802A true CN109991802A (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810005309.8A Pending CN109991802A (en) | 2018-01-03 | 2018-01-03 | Light-source system and projection device |
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| CN (1) | CN109991802A (en) |
| WO (1) | WO2019134265A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111258165A (en) * | 2020-03-31 | 2020-06-09 | 青岛海信激光显示股份有限公司 | Laser projection device |
| WO2021143438A1 (en) * | 2020-01-16 | 2021-07-22 | 深圳光峰科技股份有限公司 | Wavelength conversion device, light source device, and projection system |
| CN113253554A (en) * | 2020-02-13 | 2021-08-13 | 中强光电股份有限公司 | Illumination system, illumination control method, and projection apparatus |
| WO2021179770A1 (en) * | 2020-03-13 | 2021-09-16 | 深圳光峰科技股份有限公司 | Wavelength conversion apparatus, light source system and projection device |
| CN115951552A (en) * | 2023-03-09 | 2023-04-11 | 深圳市橙子数字科技有限公司 | Light emitting device and light source system |
| US11782335B2 (en) | 2021-11-11 | 2023-10-10 | Coretronic Corporation | Color wheel module and projection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116430662B (en) * | 2023-06-13 | 2023-08-15 | 宜宾市极米光电有限公司 | Light source system and projection equipment |
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