CN107315311A - Light source module and laser projection - Google Patents
Light source module and laser projection Download PDFInfo
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- CN107315311A CN107315311A CN201710683769.1A CN201710683769A CN107315311A CN 107315311 A CN107315311 A CN 107315311A CN 201710683769 A CN201710683769 A CN 201710683769A CN 107315311 A CN107315311 A CN 107315311A
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- fluorescent wheel
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- 230000000149 penetrating effect Effects 0.000 claims description 80
- 238000009792 diffusion process Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 125000001475 halogen functional group Chemical group 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
-
- 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
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- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Microscoopes, Condenser (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a kind of light source module and laser projection, belong to projection field.The light source module includes laser, the first dichroscope component and fluorescent wheel；The laser is used to provide laser to the fluorescent wheel；The first dichroscope component is used for the light path for changing the laser by rotating, and the laser is formed discontinuous track on the fluorescent wheel；The fluorescent wheel includes the fluorescence area that at least one is used to excite coloured light.The present invention changes the light path for the laser that laser is sent by dichroscope component, laser is formed discontinuous track on fluorescent wheel, improves the radiating efficiency of fluorescent wheel, and then improves the exciting light generation efficiency of fluorescent wheel.Solve in correlation technique causes the exciting light generation efficiency of fluorescent wheel relatively low because the radiating efficiency of fluorescent wheel is relatively low, so make light source module luminous efficiency it is relatively low the problem of.The effect for the luminous efficiency for improving light source module is reached.
Description
Technical field
The present invention relates to projection field, more particularly to a kind of light source module and laser projection.
Background technology
Laser projection is a kind of use laser beam to transmit the projector of projected image, mainly including light source module
With the component such as ray machine module.
In the light source module of laser projection, critical piece generally includes laser, dichroscope and fluorescent wheel.Swash
Light device is used for the light for providing a kind of some color (being usually color or two kinds of colors), and dichroscope can pass through laser
The laser sent, and being capable of the reflected fluorescent light wheel excitation line that is excited and sends.When laser is blue laser, fluorescence
The structure of wheel can as Figure 1-1, and it can include being used to inspire the C1 regions of yellow light, for inspiring green light
The C2 regions of line and transmission region, the light that laser is sent can be by filter in ray machine module with the light inspired
Colour filter and form three primary colours, and as projection light source to ray machine module provide illumination.Further, since optics expansion amount (English：
Etendue) conservation understands that the hot spot being radiated on fluorescent wheel is smaller, and efficiency when excitation line is input to ray machine module also can
It is higher, thus the light focusing generally sent laser by lens forms one minimum on fluorescent wheel on fluorescent wheel
Hot spot.As shown in Figure 1-2, it is a kind of index path of laser projection, and the light that laser is sent passes through dichroscope, and
Be irradiated to after lens focus on fluorescent wheel, fluorescent wheel can be changed by rotating the light that laser sends be irradiated to it is glimmering
Position on halo, and then make light source module to the light of ray machine module input different colours, the light sent in laser shines
During the transmission region being mapped on fluorescent wheel, the light that laser is sent can reflected mirror 1, speculum 2 and speculum 3 successively it is anti-
Penetrate and input ray machine module, and the light sent in laser is when being irradiated to the C1 regions on fluorescent wheel, the exciting light meeting of yellow
It is irradiated on dichroscope, and is reflected by dichroscope and input ray machine module.The producing method of the exciting light of green can join
Examine the producing method of the exciting light of yellow.When light source module is run, fluorescent wheel can be and continual to light with high-speed rotation
Machine module inputs a variety of coloured light.
During the present invention is realized, inventor has found that prior art at least has problems with：Fluorescent wheel is by turning
When moving the light sent to change laser and being irradiated to the position on fluorescent wheel, light of the light that laser is sent on fluorescent wheel
The track of spot is the circle of a closing, and because distance is too near between 2 points of arbitrary neighborhood on the circle, radiating efficiency is poor, and
The exciting light generation efficiency of fluorescent material and temperature are negatively correlated on fluorescent wheel, and this make it that the exciting light generation efficiency of fluorescent wheel is relatively low,
And then make the luminous efficiency of light source module relatively low.
The content of the invention
In order to which the exciting light generation efficiency for solving fluorescent wheel in the prior art is relatively low, and then make the luminous efficiency of light source module
Relatively low the problem of, the embodiments of the invention provide a kind of light source module and laser projection.The technical scheme is as follows：
According to the first aspect of the invention there is provided a kind of light source module, the light source module includes laser, the one or two
To Look mirror component and fluorescent wheel；
The laser is used to provide laser to the fluorescent wheel；
The first dichroscope component is used for the light path for changing the laser by rotating, and makes the laser described
Discontinuous track is formed on fluorescent wheel；
The fluorescent wheel includes the fluorescence area that at least one is used to excite coloured light.
Optionally, the first dichroscope component is in colyliform, and the first dichroscope component includes：Along described first
At least one penetrating region and at least one dichroscope region that the center of dichroscope component is circumferentially arranged, the transmission area
Domain is the region for the laser that can be sent through the laser, and the first dichroscope component is when rotating, the laser
The laser that device is sent is irradiated to the different zones of the first dichroscope component.
Optionally, the fluorescence area is fan-shaped fluorescence area, and each fan-shaped fluorescence area includes what is be radially arranged
First fluorescence area and the second fluorescence area, first fluorescence area are used to excite the first coloured light, second fluorescence area
For exciting the second coloured light；
The fluorescent wheel also includes at least one fan-shaped penetrating region, and each fan-shaped penetrating region is can pass through institute
State the region for the laser that laser is sent.
Optionally, the first dichroscope component includes what is be circumferentially arranged along the center of the first dichroscope component
Each microscope group includes the penetrating region, the first dichroscope region and the at least one microscope group, at least one described microscope group
Two dichroscope regions, the first dichroscope region can reflect laser and the transmission described first that the laser is sent
Coloured light, laser that the second dichroscope region can be sent through the laser simultaneously reflects second coloured light.
Optionally, at least one described fan-shaped penetrating region includes centrosymmetric two fan-shaped penetrating regions, at least one
The individual fan-shaped fluorescence area includes centrosymmetric two fan-shaped fluorescence areas.
Optionally, the fluorescent wheel is reflective fluorescent wheel, in the first dichroscope component according to first default turn
Speed is rotated, during the fluorescent wheel is rotated according to the second preset rotation speed：
The laser that the laser is sent is irradiated to the first dichroscope region of the first dichroscope component and quilt
During reflection, the laser can be irradiated to the first fluorescence area of the fluorescent wheel and inspire first coloured light, and described
A shade projects the light source module after through the first dichroscope region；
When the laser that the laser is sent is irradiated to the second dichroscope region of first dichroscope and passed through,
The laser can be irradiated to the second fluorescence area of the fluorescent wheel and inspire second coloured light, the second coloured light quilt
After the second dichroscope region reflection, the light source module is projected；
It is described when the laser that the laser is sent is irradiated to the penetrating region of the first dichroscope component and passed through
Laser can sequentially pass through the first fan-shaped penetrating region, the second fan-shaped penetrating region and first dichroic of the fluorescent wheel
The penetrating region of mirror assembly, and the light source module is projected, the described first fan-shaped penetrating region is that described two sectors pass through area
A fan-shaped penetrating region in domain, the described second fan-shaped penetrating region is another sector in described two fan-shaped penetrating regions
Penetrating region.
Optionally, the fluorescent wheel is transmission-type fluorescent wheel, and the light source module also includes and first dichroscope
Component identical the second dichroscope component,
Rotated in the first dichroscope component according to the 3rd preset rotation speed, the second dichroscope component is according to
Four preset rotation speeds are rotated, during the fluorescent wheel is rotated according to the 5th preset rotation speed：
The laser that the laser is sent is irradiated to the first dichroscope region of the first dichroscope component and quilt
During reflection, the laser can be irradiated to the first fluorescence area of the fluorescent wheel and inspire first coloured light, and described
A shade is after through the fluorescent wheel, the penetrating region of the second dichroscope component described in directive, and is passing through described second
Behind the penetrating region of dichroscope component, the light source module is projected；
When the laser that the laser is sent is irradiated to the second dichroscope region of first dichroscope and passed through,
The laser can be irradiated to the second fluorescence area of the fluorescent wheel and inspire second coloured light, and second coloured light is saturating
Cross after the fluorescent wheel, be capable of the second dichroscope region of the second dichroscope described in directive, second coloured light is described
After the reflection of second dichroscope region, the light source module is projected；
The laser that the laser is sent is irradiated to penetrating region or the second dichroic of the first dichroscope component
Mirror region and when passing through, the laser can be irradiated to the fan-shaped penetrating region of the fluorescent wheel, and through it is described it is fan-shaped thoroughly
Cross behind region, be irradiated to the first dichroscope region of the second dichroscope component, the laser is by the described 1st
After being reflected to Look mirror region, the light source module is projected.
Optionally, the penetrating region of the first dichroscope component includes diffusion sheet.
Optionally, the light source module includes control module, and the control module is connected with the fluorescent wheel, in institute
State the rotation direction that the fluorescent wheel is converted when restarting after fluorescent wheel stops operating every time.
According to the second aspect of the invention there is provided a kind of laser projection, the laser projection include ray machine module and
Light source module described in first aspect.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
Change the light path for the laser that laser is sent by rotating dichroscope component, laser is shone by different light paths
The hot spot penetrated on fluorescent wheel is located at the diverse location of fluorescent wheel, and the hot spot of diverse location can be formed not when fluorescent wheel is rotated
Continuous track, two concentric rings being such as alternately present or the circle do not closed.Compared to the light of laser in correlation technique
Spot forms the circle of closing on fluorescent wheel, and the hot spot of laser forms discontinuous track on fluorescent wheel and improves fluorescent wheel
Radiating efficiency, and then improve the exciting light generation efficiency of fluorescent wheel.The radiating in correlation technique due to fluorescent wheel is solved to imitate
The relatively low exciting light generation efficiency for causing fluorescent wheel of rate is relatively low, so make light source module luminous efficiency it is relatively low the problem of.Reach
Improve the effect of the luminous efficiency of light source module.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1-1 is the structural representation of fluorescent wheel in correlation technique；
Fig. 1-2 is a kind of index path of laser projection in correlation technique；
Fig. 2 is the implementation environment schematic diagram involved by each embodiment of the invention；
Fig. 3-1 is a kind of structural representation of light source module shown in the embodiment of the present invention；
Fig. 3-2 is a kind of index path of light source module shown in Fig. 3-1；
Fig. 3-3 is another index path of light source module shown in Fig. 3-1；
Fig. 4-1 is the structural representation of another light source module provided in an embodiment of the present invention；
Fig. 4-2 is a kind of structural representation of first dichroscope component in light source module shown in Fig. 4-1；
Fig. 4-3 is the structural representation of another first dichroscope component in light source module shown in Fig. 4-1；
Fig. 4-4 is a kind of structural representation of fluorescent wheel in light source module shown in Fig. 4-1；
Fig. 4-5 is the index path of light source module the first coloured light of output shown in Fig. 4-1；
Fig. 4-6 is the index path of light source module the second coloured light of output shown in Fig. 4-1；
Fig. 4-7 is the index path for the laser that the light source module output laser shown in Fig. 4-1 is sent；
Fig. 4-8 is the structural representation of another light source module provided in an embodiment of the present invention；
Fig. 4-9 is the index path of light source module the first coloured light of output shown in Fig. 4-8；
Fig. 4-10 is the index path of light source module the second coloured light of output shown in Fig. 4-8；
Fig. 4-11 is the structured flowchart of the light source module shown in Fig. 4-1；
When Fig. 4-12 is that fluorescent wheel turns clockwise in light source module shown in Fig. 4-1, the laser that laser is sent is glimmering
Irradiation track schematic diagram on halo；
When Fig. 4-13 is fluorescent wheel rotate counterclockwise in light source module shown in Fig. 4-1, the laser that laser is sent is glimmering
Irradiation track schematic diagram on halo；
Fig. 4-14 is the structured flowchart of light source module shown in Fig. 4-8.
Pass through above-mentioned accompanying drawing, it has been shown that the present invention clearly embodiment, will hereinafter be described in more detail.These accompanying drawings
It is not intended to limit the scope of present inventive concept by any mode with word description, but is by reference to specific embodiment
Those skilled in the art illustrate idea of the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 2 is the implementation environment schematic diagram involved by each embodiment of the invention, and the implementation environment can include laser and throw
Shadow machine 10 and projection screen 20.
Laser projection 10 can include light source module 11 and ray machine module 12.Light source module 11 is used for ray machine module 12
Light source is provided, and ray machine module 12 is used to predetermined pattern is projected into projection screen 20 according to the light source of the offer of light source module 11
On.
Projection screen 20 is used for the pattern for carrying the projection of ray machine module 12.Projection screen 20 can be made up of various materials,
Such as polyvinyl chloride (Polyvinyl chloride, PVC), metal, glass fibre and bead etc., the embodiment of the present invention does not make rising limit
System.
Fig. 3-1 is a kind of structural representation of light source module shown in the embodiment of the present invention.The light source module 11 can be wrapped
Include laser 111, the first dichroscope component 112 and fluorescent wheel 113.
Laser 111 is used to provide laser to fluorescent wheel 113.
First dichroscope component 112 is used for the light path for changing laser by rotating, and makes laser shape on fluorescent wheel 113
Into discontinuous track.First dichroscope component 112 can include the region with different optical characteristics (if through sharp
The region for the laser that light device 111 is sent and different types of dichroscope region etc.), the laser that laser 111 is sent is shining
When being mapped on the region of different optical signatures, there can be different light paths, and be irradiated to the diverse location of fluorescent wheel 113.
Fluorescent wheel 113 includes the fluorescence area that at least one is used to excite coloured light.
Exemplary, a kind of index path of the light source module shown in the embodiment of the present invention can as shown in figure 3-2, laser
111 laser sent are irradiated to the laser light region (laser that can be sent through laser of the first dichroscope component 112
And the region of light that inspires of reflected fluorescent light wheel) when, fluorescent wheel is irradiated to after the first dichroscope of laser light component 112
113 outside W (compared to sides of the inner side N away from the center of fluorescent wheel 113) simultaneously inspires a kind of coloured light, and the coloured light can directive the
One dichroscope component 112 simultaneously reflects light source module by the first dichroscope component 112.Light source shown in the embodiment of the present invention
Another index path of module can be as shown in Fig. 3-3, and the laser that laser 111 is sent is irradiated to the first dichroscope component
112 excite light transmissive region (region for being capable of the laser that sends of reflection laser and the light inspired through fluorescent wheel)
When, laser can be reflected towards speculum 116 by the first dichroscope component 112, and the laser of directive speculum 116 is by speculum 116
Be reflected towards fluorescent wheel 113 inner side N (compared to outside W close to the center of fluorescent wheel 113 side) and inspire another coloured light,
The coloured light directive speculum 116 and can excite light transmissive region by what speculum 116 was reflected towards the first dichroscope component 112,
The coloured light is excited after light transmissive region through the first dichroscope component 112, can project light source module.In the first dichroscope
112 with certain speed when being rotated, and the light path of the light source module shown in the embodiment of the present invention can be in both Fig. 3-2 and Fig. 3-3
Between constantly change, hot spot of the laser that laser 111 is sent on fluorescent wheel 113 also can fluorescent wheel 113 outside W and
Constantly changed between the N of inner side so that the radiating efficiency of fluorescent wheel 113 is higher.
In summary, light source module provided in an embodiment of the present invention, laser hair is changed by rotating dichroscope component
The light path of the laser gone out, makes laser be radiated at hot spot on fluorescent wheel in the different positions positioned at fluorescent wheel by different light paths
Put, the hot spot of diverse location when fluorescent wheel is rotated on can form discontinuous track, two be such as alternately present concentric circles
Circle or the circle do not closed etc..Hot spot compared to laser in correlation technique forms the circle of closing on fluorescent wheel, laser
Hot spot forms discontinuous track on fluorescent wheel and improves the radiating efficiency of fluorescent wheel, and then improves the exciting light of fluorescent wheel
Generation efficiency.Solve cause in correlation technique because the radiating efficiency of fluorescent wheel is relatively low the exciting light generation efficiency of fluorescent wheel compared with
It is low, so make light source module luminous efficiency it is relatively low the problem of.The effect for the luminous efficiency for improving light source module is reached.
Further, Fig. 4-1 is refer to, is shown it illustrates the structure of another light source module provided in an embodiment of the present invention
It is intended to, the light source module adds some parts on the basis of the light source module shown in Fig. 3, so that the embodiment of the present invention
The light source module of offer has better performance.
Optionally, the light source module 11 can also include shaping component 114, and the shaping component 114 is used for laser 111
The laser sent carries out shaping and collected.
Optionally, the light source module 11 can also include light path adjustment component 115, and light path adjustment component 115 can be set
Put in light source module between any two component (such as dichroscope component, fluorescent wheel, speculum and laser), for making
Light can advance according to default light path.
Optionally, the light source module 11 can also include multiple speculums, and in Fig. 4-1, the speculum can include
116a, 116b and 116c, these speculums are used for the direction of illumination for adjusting light.
Optionally, the light source module 11 can also include focussed collimated component 17, and focussed collimated component 17 is used to make directive
The light focusing of fluorescent wheel 113, and form on fluorescent wheel 113 hot spot, focussed collimated component 17 is additionally operable to from fluorescent wheel 113
The light (light refers at fluorescent wheel to the light launched away from fluorescent wheel direction) of injection is collimated, and becomes the light
For directional light.
Optionally, laser 111 can be for that can send the blue laser of blue laser, and this is due to the frequency of blue light
It is highest in three primary colours, and the launching efficiency that the low light of frequency is inspired with the high light of frequency is higher.In addition, laser
111 can also be for that can send the two-color laser device of two kinds of color laser, and the embodiment of the present invention is not restricted.
Dichroscope component 112 in Fig. 4-1 can be in colyliform, and the dichroscope component 112 of the colyliform can be by power
Component 112a drives, and Power Component 112a can be motor.When Power Component 112a is rotated, thus it is possible to vary laser 111
The laser sent is radiated at the region on the first dichroscope component 112.And fluorescent wheel 113 can be driven by Power Component 113a
Dynamic, Power Component 113a can be motor.When Power Component 113a is rotated, thus it is possible to vary the laser that laser 111 is sent
It is radiated at the region on fluorescent wheel 113.
As shown in the Fig. 4-2, it shows for a kind of structure of first dichroscope component 112 in the light source module shown in Fig. 4-1
It is intended to, the first dichroscope component 112 is in colyliform, the first dichroscope component 112 can include：Along the first dichroscope
At least one penetrating region t and at least one dichroscope region d, penetrating region t that the center of component 112 is circumferentially arranged are energy
The region of the laser enough sent through laser 111, the first dichroscope component 112 is when rotating, in light source module shown in Fig. 2
The laser that sends of laser 111 can be irradiated to the different zones of the first dichroscope component 112.Wherein, penetrating region t can be with
For the transparent region of any coloured light can be passed through, or the region for the laser that can be only sent through laser.At least one
Kind of dichroscope region d can include transparent base and be arranged on any side of the transparent base be used for realize dichroscope work(
The film layer of energy.
Optionally, the first dichroscope component 112 includes being circumferentially arranged at least along the center of the first dichroscope component
Each microscope group includes penetrating region t, the first dichroscope region d1 and the second dichroscope in one microscope group, at least one microscope group
Region d2, the first dichroscope region d1 the laser that sends of reflection laser and can pass through the first coloured light, the second dichroscope
Laser and the second coloured light of reflection that region d2 can be sent through laser.
Be green glow for blue laser, the first coloured light and when the second coloured light is gold-tinted what laser was sent, the one or two to
Look mirror region d1 can reflection wavelength be 420 nanometers (nm) to 470nm light, and through wavelength be 500nm-670nm light
Line, now actual gold-tinted and green glow be both transparent for the first dichroscope region d1, can so reduce the heat of light source module internal
Amount accumulation, can also only enable green glow pass through the first dichroscope region d1, and such first dichroscope region d1 just can
Play a part of filter, the embodiment of the present invention is not restricted；Second dichroscope region d2 can be 420nm through wavelength
To 470nm light, and reflection wavelength is 500nm-670nm light, now actual gold-tinted and green glow can by the two or two to
Look mirror region d2 reflect, can so reduce the thermal accumlation of light source module internal, but it is also possible to only make green glow by the two or two to
Look mirror region d2 reflects, and such second dichroscope region d2 can just play a part of filter, and the embodiment of the present invention is not made
Go out limitation.
Fig. 4-2 is illustrated that at least one microscope group includes microscope group g1 and microscope group g2 situation, but at least one microscope group may be used also
So that including more microscope groups or including a microscope group, the embodiment of the present invention is not restricted.Exemplary, as shown in Fig. 4-3,
The first dichroscope component 112 includes the non-conterminous microscope group of any two in 4 microscope groups g1, g2, g3 and g4, this 4 microscope groups
Can on the first dichroscope component 112 center it is in a center of symmetry, in Fig. 4-3 other mark implication may be referred to Fig. 4-
2, it will not be repeated here.
The first dichroscope component 112 shown in Fig. 4-2 when rotating, the laser that laser is sent can according to the one or two to
The rotation direction of Look mirror component 112 is radiated in each region in each microscope group successively, and the light path of switched laser successively, is made
Laser can be irradiated to the diverse location of fluorescent wheel.In the case where the rotating speed of the first dichroscope component 112 is certain, microscope group
Number is more, and the speed of the light path of the switched laser of the first dichroscope component 112 is faster, continuous path of the laser on fluorescent wheel
Will be shorter, and then the radiating efficiency of fluorescent wheel also can be higher.
As shown in Fig. 4-4, it is a kind of structural representation of fluorescent wheel 113 provided in an embodiment of the present invention, at least one
Each fluorescence area in fluorescence area is fan-shaped fluorescence area, each sector fluorescence at least one fan-shaped fluorescence area ff
Region (ffa and ffb) includes the first fluorescence area ff1 and the second fluorescence area ff2, the first fluorescence area ff1 being radially arranged
For exciting the first coloured light, first coloured light can be green glow, and the second fluorescence area ff2 is used to excite the second coloured light, and this second
Coloured light can be gold-tinted, after gold-tinted is input to ray machine module, can be colored mirror and be changed into feux rouges.Fluorescence area is not used directly
It is because the launching efficiency of red light fluorescent powder is too low to inspire feux rouges.
Fluorescent wheel 113 also includes at least one fan-shaped penetrating region ft, and each sector penetrating region is that can pass through laser
The region for the laser that device 111 is sent.
Fluorescent wheel (as Figure 1-1) in correlation technique is when rotating, and laser can produce continuous rail on fluorescent wheel
Mark, the then exciting light that the track of laser intersection of two different fluorescence areas on fluorescent wheel is produced potentially includes two kinds of fluorescence
The exciting light that region is produced, the exciting light is properly termed as spoke light, and spoke light can influence the quality of the light source of light source module offer.
And different fluorescence areas is radially arranged by fluorescent wheel provided in an embodiment of the present invention, and shone by dichroscope come switched laser
The position penetrated on fluorescent wheel so that spoke light will not be produced when laser is radiated at the different fluorescence areas of fluorescent wheel, is improved
The quality for the light source that light source module is provided.
The fluorescent wheel 113 can be reflective fluorescent wheel or transmission-type fluorescent wheel.Reflective fluorescent wheel be fluorescence area by
To after laser irradiation, fluorescent wheel that exciting light can be reflected by fluorescent wheel (laser and exciting light in opposite direction), and transmission-type is glimmering
Halo is that exciting light passes through the fluorescent wheel (direction of laser and exciting light that fluorescent wheel is projected after fluorescence area is irradiated by laser
It is identical).
Optionally, at least one fan-shaped penetrating region ft includes centrosymmetric two fan-shaped penetrating region ft1 and ft2,
At least one fan-shaped fluorescence area ff includes centrosymmetric two fan-shaped fluorescence area ffa and ffb.
Illustrated in two kinds of situation below according to the species of fluorescent wheel：
When the first situation, fluorescent wheel are reflective fluorescent wheel：
Rotated in the first dichroscope component according to the first preset rotation speed, the mistake that fluorescent wheel is rotated according to the second preset rotation speed
Cheng Zhong：
The index path that light source module 11 shown in Fig. 4-1 exports the first coloured light may be referred to Fig. 4-5, wherein, laser 111
The laser sent is irradiated to the first dichroscope region of the first dichroscope component 112 (in the first microscope group g1 in Fig. 4-2
D1 in d1 or the second microscope group g2) and when being reflected, laser can adjust component 115 and speculum 116c adjustment through light path
After be irradiated on focussed collimated component 117, laser, which is focused after collimator assembly 117 is focused on, can be irradiated to the of fluorescent wheel 113
One fluorescence area (ff1 in such as Fig. 4-4 in fluorescence area ffa or ffb) simultaneously inspires the first coloured light, and the first coloured light is by fluorescent wheel
Collimator assembly 117 can be focused after 113 reflections and is adjusted to collimated light beam, and the collimated light beam adjusts component 115 and anti-through light path
The first dichroscope region of the first dichroscope component 112 is irradiated to after the adjustment for penetrating mirror 116c, the first coloured light is passing through
Behind one dichroscope region, light source module 11, and directive ray machine module 12 are projected.The implication that other in Fig. 4-5 are marked can join
Fig. 4-1 is examined, be will not be repeated here.
The index path that light source module 11 shown in Fig. 4-1 exports the second coloured light may be referred to Fig. 4-6, wherein, laser 111
The laser sent is irradiated to the second dichroscope region of the first dichroscope component 112 (in the first microscope group g1 in Fig. 4-2
D2 in d2 or the second microscope group g2) and when passing through, laser can be irradiated on focussed collimated component 117, and laser is focused collimation
Component 117 can be irradiated to the second fluorescence area of fluorescent wheel 113 (in fluorescence area ffa or ffb in Fig. 4-4 after focusing on
Ff2) and the second coloured light is inspired, the second coloured light can be focused collimator assembly 117 after being reflected by fluorescent wheel and be adjusted to directional light simultaneously
Second dichroscope region of the first dichroscope of directive component 112, after the directional light is reflected by the second dichroscope region, is penetrated
Go out light source module 11, and directive ray machine module 12.The implication that other in Fig. 4-6 are marked may be referred to Fig. 4-1, no longer go to live in the household of one's in-laws on getting married herein
State.
The index path for the laser that the output laser 111 of light source module 11 shown in Fig. 4-1 is sent may be referred to Fig. 4-7, its
In, the laser that laser 111 is sent is irradiated to penetrating region (the first microscope group g1 in such as Fig. 4-2 of the first dichroscope component 112
In t or the t in the second microscope group g2) and when passing through, laser can sequentially pass through fluorescent wheel 113 the first fan-shaped penetrating region,
Speculum 116a, speculum 116b, the second fan-shaped penetrating region, the transmission of speculum 116c and the first dichroscope component 112
Region, and light source module 11, directive ray machine module 12 are projected, the first fan-shaped penetrating region is one in two fan-shaped penetrating regions
Individual fan-shaped penetrating region (ft1 in such as Fig. 4-4 in two sector penetrating region ft), the second fan-shaped penetrating region is two sectors
The fan-shaped penetrating region of another in penetrating region (ft2 in such as Fig. 4-4 in two sector penetrating region ft).Wherein, light exists
Directive fluorescent wheel 113 or from fluorescent wheel 113 project when can be through focusing on punctual component 117, and light is appointed in light source module
Light path adjustment component 115 is may also pass through between two components of meaning to adjust, and will not be repeated here.
It should be noted that figure and the first dichroic that all fan-shaped penetrating regions in fluorescent wheel 113 are formed
When the figure that all penetrating regions are formed in mirror assembly 112 is similar, the first preset rotation speed of fluorescent wheel 113 can be with the one or two
It is identical to the second preset rotation speed of Look mirror component.Exemplary, in the dichroscope 112 shown in Fig. 4-2, two penetrating regions
T angle is identical and on the Central Symmetry of dichroscope component, and two fans in the fluorescent wheel 113 shown in Fig. 4-4
Shape penetrating region ft1 is identical with ft2 angle and during Central Symmetry on fluorescent wheel 113, if any in two penetrating region t
The angle of penetrating region is identical with sector penetrating region ft1 angle, then the first preset rotation speed of fluorescent wheel 113 can be with first
Second preset rotation speed of dichroscope component is identical.
Second situation, fluorescent wheel 113 are transmission-type fluorescent wheel, then as Figure 4-8, it is provided for the embodiment of the present invention
Another light source module structural representation, the light source module 11 also includes and the identical of the first dichroscope component 114 the
Two dichroscope components 118.The implication that other in Fig. 4-8 are marked may be referred to Fig. 4-1, will not be repeated here.
Rotated in the first dichroscope component according to the 3rd preset rotation speed, the second dichroscope component is according to the 4th default turn
Speed is rotated, during fluorescent wheel is rotated according to the 5th preset rotation speed：
The index path that light source module 11 shown in Fig. 4-8 exports the first coloured light may be referred to Fig. 4-9, wherein, laser 111
When the laser sent is irradiated to the first dichroscope region of the first dichroscope component 112 and reflected, laser can be reflected
Mirror 116c reflects, and is irradiated to the first fluorescence area of fluorescent wheel 113 and inspires the first coloured light, and the first coloured light is passing through fluorescence
After wheel 113, reflected by speculum 116b, and the penetrating region of the second dichroscope of directive component 118, and through the two or two to
Behind the penetrating region of Look mirror component 118, light source module 11, and directive ray machine module 12 are projected.Wherein, light is in directive fluorescent wheel
113 or from fluorescent wheel 113 project when can be through focusing on punctual component 117, and light any two component in light source module
Between may also pass through light path adjustment component 115 adjust, will not be repeated here.The implication that other in Fig. 4-9 are marked may be referred to
Fig. 4-1.
The index path that light source module 11 shown in Fig. 4-8 exports the second coloured light may be referred to Fig. 4-10, wherein, laser
When 111 laser sent are irradiated to the second dichroscope region of the first dichroscope 112 and passed through, laser can be irradiated to glimmering
Second fluorescence area of halo 113 simultaneously inspires the second coloured light, and the second coloured light is passed through after fluorescent wheel 113, being capable of directive the two or two
To the second dichroscope region of Look mirror 118, after the second coloured light is reflected by the second dichroscope region, light source module 11 is projected,
And directive ray machine module 12.Wherein, light is in directive fluorescent wheel 113 or can be punctual through focusing on when being projected from fluorescent wheel 113
Component 117, and light be may also pass through in light source module between any two component light path adjustment component 115 adjust, herein
Repeat no more.The implication that other in Fig. 4-10 are marked may be referred to Fig. 4-1.
The index path that light source module 11 shown in Fig. 4-8 exports the second coloured light may be referred to Fig. 4-10, wherein, laser
When 111 laser sent are irradiated to the penetrating region or the second dichroscope region of the first dichroscope component 112 and passed through, swash
Light can be irradiated to the fan-shaped penetrating region of fluorescent wheel 113, and after through fan-shaped penetrating region, be irradiated to the second dichroscope
First dichroscope region of component 118, laser projects light source module 11, and penetrate after being reflected by the first dichroscope region
To ray machine module 12.
It should be noted that figure and the first dichroic that all fan-shaped penetrating regions in fluorescent wheel 113 are formed
(now all fan-shaped penetrating region institutes in fluorescent wheel 113 when the figure that all penetrating regions are formed in mirror assembly 112 is similar
The figure of formation is also similar to the figure that all penetrating regions are formed in the second dichroscope component 118), fluorescent wheel 113
5th preset rotation speed can with it is the 4th of the 3rd preset rotation speed of the first dichroscope component and the second dichroscope component pre-
If rotating speed all same.
It should be noted that each above-mentioned index path is exemplary, those skilled in the art pass through Fig. 4-1 or Fig. 4-8
Shown light source module can also export various coloured light by other light channel structures, and the embodiment of the present invention does not make rising limit
System.
Optionally, the penetrating region of the first dichroscope component 112 includes diffusion sheet.The diffusion sheet can be used for diffusion
Homogenize light beam.In addition, the penetrating region of the first dichroscope component 112 can include being provided with the region of diffusion sheet and be
The region of diffusion sheet is provided with, it is optionally, saturating in the first microscope group g1 in the first dichroscope component 112 shown in Fig. 4-2
Diffusion sheet can be provided with by crossing in the t of region, and can be not provided with diffusion sheet in the penetrating region t in the second microscope group g2.
Optionally, as shown in Fig. 4-11, it is the structured flowchart of the light source module shown in Fig. 4-1, and the light source module 11 can
With including control module 119, the first dichroscope component 112 and fluorescent wheel 113.Control module 119 be used for control the one or two to
Look mirror component 112 and fluorescent wheel 113.Molding block 119 converts fluorescence when can restart after fluorescent wheel 113 stops operating every time
The rotation direction of wheel, to make full use of each fluorescence area of fluorescent wheel, improves the life-span of fluorescent wheel.As shown in Fig. 4-12, its
For in the light source module shown in Fig. 4-1, when fluorescent wheel 113 turns clockwise, the laser that laser 111 is sent is in fluorescent wheel 113
On irradiation track schematic diagram, dash area therein is the irradiation track of laser, and white space is the area that is not irradiated to of laser
Domain, it can be seen that the light path due to laser is being continually changing, the position that laser is radiated at fluorescent wheel is also being continually changing, thus,
There is the region not being irradiated with a laser in the first fluorescence area ff1 and the second fluorescence area ff2.And for example shown in Fig. 4-13, its
For in the light source module shown in Fig. 4-1, when fluorescent wheel 113 turns clockwise, the laser that laser 111 is sent is in fluorescent wheel 113
On track schematic diagram, dash area therein is the irradiation track of laser, and white space is the region that is not irradiated to of laser, the
There is also the region not being irradiated with a laser by one fluorescence area ff1 and the second fluorescence area ff2.
As can be seen here, when fluorescent wheel rotates in one direction, the first fluorescence area ff1 and the second fluorescence area ff2 are deposited
In the region not being irradiated with a laser, thus when restarting after fluorescent wheel stops operating, change the rotation direction energy of fluorescent wheel
Each fluorescence area of fluorescent wheel is enough made full use of, the life-span of fluorescent wheel is improved.
Optionally, as shown in Fig. 4-14, it is the structured flowchart of light source module shown in Fig. 4-8, and the light source module 11 can be with
Including control module 119, the first dichroscope component 112, the second dichroscope component 118 and fluorescent wheel 113.Control module
119 are used to control the first dichroscope component 112, the second dichroscope component 118 and fluorescent wheel 113.Molding block 119 can be
Fluorescent wheel 113 converts the rotation direction of fluorescent wheel when restarting after stopping operating every time, with make full use of fluorescent wheel each is glimmering
Light region, improves the life-span of fluorescent wheel.
In summary, light source module provided in an embodiment of the present invention, laser hair is changed by rotating dichroscope component
The light path of the laser gone out, the hot spot for making laser be radiated at by different light paths on fluorescent wheel is located at the diverse location of fluorescent wheel,
The hot spot of diverse location can form discontinuous track when fluorescent wheel is rotated, two be such as alternately present concentric ring or not
Circle of closing etc..Hot spot compared to laser in correlation technique forms the circle of closing on fluorescent wheel, and the hot spot of laser exists
Discontinuous track is formed on fluorescent wheel and improves the radiating efficiency of fluorescent wheel, and then improves the exciting light of fluorescent wheel and produces effect
Rate.Solve in correlation technique causes the exciting light generation efficiency of fluorescent wheel relatively low because the radiating efficiency of fluorescent wheel is relatively low, enters
And make the problem of luminous efficiency of light source module is relatively low.The effect for the luminous efficiency for improving light source module is reached.
The embodiment of the present invention also provides a kind of laser projection, and the laser projection includes ray machine module and each above-mentioned reality
Any light source module of example offer is provided.
In the present invention, term " first ", " second ", " the 3rd " and " the 4th " is only used for describing purpose, without being understood that
To indicate or implying relative importance.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of light source module, it is characterised in that the light source module includes laser, the first dichroscope component and fluorescence
Wheel；
The laser is used to provide laser to the fluorescent wheel；
The first dichroscope component is used for the light path for changing the laser by rotating, and makes the laser in the fluorescence
Discontinuous track is formed on wheel；
The fluorescent wheel includes the fluorescence area that at least one is used to excite coloured light.
2. light source module according to claim 1, it is characterised in that the first dichroscope component is in colyliform, described
First dichroscope component includes：At least one penetrating region for being circumferentially arranged along the center of the first dichroscope component and
At least one dichroscope region, the penetrating region is the region for the laser that can be sent through the laser, described the
One dichroscope component is when rotating, and the laser that the laser is sent is irradiated to the not same district of the first dichroscope component
Domain.
3. light source module according to claim 2, it is characterised in that
The fluorescence area is fan-shaped fluorescence area, and each fan-shaped fluorescence area includes the first fluorescence area being radially arranged
With the second fluorescence area, first fluorescence area is used to excite the first coloured light, and second fluorescence area is used to excite second
Coloured light；
The fluorescent wheel also includes at least one fan-shaped penetrating region, and each fan-shaped penetrating region is described sharp for that can pass through
The region for the laser that light device is sent.
4. light source module according to claim 3, it is characterised in that the first dichroscope component is included along described the
Each microscope group includes described at least one microscope group that the center of one dichroscope component is circumferentially arranged, at least one described microscope group
Penetrating region, the first dichroscope region and the second dichroscope region, the first dichroscope region can be reflected described
Laser and transmission first coloured light that laser is sent, the second dichroscope region can be sent through the laser
Laser and reflect second coloured light.
5. light source module according to claim 4, it is characterised in that at least one described fan-shaped penetrating region includes center
Symmetrical two fan-shaped penetrating regions, at least one described fan-shaped fluorescence area includes centrosymmetric two fan-shaped phosphor regions
Domain.
6. light source module according to claim 5, it is characterised in that the fluorescent wheel is reflective fluorescent wheel, described
First dichroscope component is rotated according to the first preset rotation speed, during the fluorescent wheel is rotated according to the second preset rotation speed：
The laser that the laser is sent is irradiated to the first dichroscope region of the first dichroscope component and reflected
When, the laser can be irradiated to the first fluorescence area of the fluorescent wheel and inspire first coloured light, first color
Light projects the light source module after through the first dichroscope region；
It is described when the laser that the laser is sent is irradiated to the second dichroscope region of first dichroscope and passed through
Laser can be irradiated to the second fluorescence area of the fluorescent wheel and inspire second coloured light, and second coloured light is described
After the reflection of second dichroscope region, the light source module is projected；
When the laser that the laser is sent is irradiated to the penetrating region of the first dichroscope component and passed through, the laser
The first fan-shaped penetrating region, the second fan-shaped penetrating region and the first dichroic microscope group of the fluorescent wheel can be sequentially passed through
The penetrating region of part, and the light source module is projected, the described first fan-shaped penetrating region is in described two fan-shaped penetrating region
A fan-shaped penetrating region, the described second fan-shaped penetrating region be in described two fan-shaped penetrating regions another is fan-shaped thoroughly
Cross region.
7. light source module according to claim 5, it is characterised in that the fluorescent wheel is transmission-type fluorescent wheel, the light
Source module also include with the first dichroscope component identical the second dichroscope component,
Rotated in the first dichroscope component according to the 3rd preset rotation speed, the second dichroscope component is pre- according to the 4th
If rotational speed, during the fluorescent wheel is rotated according to the 5th preset rotation speed：
The laser that the laser is sent is irradiated to the first dichroscope region of the first dichroscope component and reflected
When, the laser can be irradiated to the first fluorescence area of the fluorescent wheel and inspire first coloured light, first color
Light is through after the fluorescent wheel, the penetrating region of the second dichroscope component described in directive, and through the described 2nd 2 to
Behind the penetrating region of Look mirror component, the light source module is projected；
It is described when the laser that the laser is sent is irradiated to the second dichroscope region of first dichroscope and passed through
Laser can be irradiated to the second fluorescence area of the fluorescent wheel and inspire second coloured light, and second coloured light passes through institute
State after fluorescent wheel, be capable of the second dichroscope region of the second dichroscope described in directive, second coloured light is by described second
After the reflection of dichroscope region, the light source module is projected；
The laser that the laser is sent is irradiated to the penetrating region or the second dichroscope area of the first dichroscope component
Domain and when passing through, the laser can be irradiated to the fan-shaped penetrating region of the fluorescent wheel, and pass through area through the sector
Behind domain, the first dichroscope region of the second dichroscope component is irradiated to, the laser is by first dichroic
After the reflection of mirror region, the light source module is projected.
8. light source module according to claim 7, it is characterised in that the penetrating region bag of the first dichroscope component
Diffusion sheet is included.
9. according to any described light source module of right 3 to 7, it is characterised in that the light source module includes control module, described
Control module is connected with the fluorescent wheel, for converting turning for the fluorescent wheel when restarting after the fluorescent wheel stops operating
Dynamic direction.
10. a kind of laser projection, it is characterised in that the laser projection includes ray machine module and claim 1 to 9 is any
Described light source module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710683769.1A CN107315311B (en) | 2017-08-11 | 2017-08-11 | Light source module group and laser projection |
| PCT/CN2017/116660 WO2019029085A1 (en) | 2017-08-11 | 2017-12-15 | Laser projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710683769.1A CN107315311B (en) | 2017-08-11 | 2017-08-11 | Light source module group and laser projection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107315311A true CN107315311A (en) | 2017-11-03 |
| CN107315311B CN107315311B (en) | 2019-09-20 |
Family
ID=60175659
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710683769.1A Active CN107315311B (en) | 2017-08-11 | 2017-08-11 | Light source module group and laser projection |
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| WO (1) | WO2019029085A1 (en) |
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| CN107315311B (en) | 2019-09-20 |
| WO2019029085A1 (en) | 2019-02-14 |
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Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |