CN108628074A - The control method and projection device of a kind of light supply apparatus, light supply apparatus - Google Patents
The control method and projection device of a kind of light supply apparatus, light supply apparatus Download PDFInfo
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- CN108628074A CN108628074A CN201810432212.5A CN201810432212A CN108628074A CN 108628074 A CN108628074 A CN 108628074A CN 201810432212 A CN201810432212 A CN 201810432212A CN 108628074 A CN108628074 A CN 108628074A
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- laser
- light
- supply apparatus
- reflector
- light supply
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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
- G03B21/2013—Plural light sources
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
An embodiment of the present invention provides a kind of light supply apparatus, the control method of light supply apparatus and projection devices, are related to optical technical field.Wherein, which includes：At least three laser assemblies of different colours, at least three beams of laser for exporting different colours；Taper reflector, it is set on the emitting light path of at least three laser assembly, the side surface of the taper reflector is provided with laser reflection area, and the laser after at least three beams reflection is exported for reflecting at least three beams of laser, and from the side surface；Beam shaping component is set on the emitting light path of the taper reflector, and shaping, and the laser after output Shaping are carried out for the laser after reflecting at least three beams.Due to the colour purity of one-wavelength laser height in the present invention, there is no need to increase filter wheel in ray machine, light source so as to reduce light source loss, and then can improve the display effect of projection device without by filter wheel.
Description
Technical field
The present invention relates to optical technical fields, more particularly to a kind of light supply apparatus, the control method of light supply apparatus and throwing
Shadow equipment.
Background technology
The advantages that laser is because of its brightness height, high directivity, good coherence can be applied to Projection Display neck as light source
Domain, to provide the light needed for display for projection device.
In current projection device, light supply apparatus includes mainly mono-colour laser, fluorescent wheel, dichroscope and multiple anti-
Penetrate mirror.When carrying out Projection Display, mono-colour laser exports one-wavelength laser, exposes to atwirl fluorescent wheel, works as fluorescent wheel
When rotation is to phosphor area, fluorescent powder can inspire fluorescence under the excitation of one-wavelength laser, to which fluorescent wheel can will be glimmering
Light reflection is exported to the first face of dichroscope, and then through the second face of dichroscope.When fluorescent wheel is rotated to transparent region
When, one-wavelength laser can be directed through fluorescent wheel, into multiple speculum groups at laser optical path in, and then laser optical path can be with
One-wavelength laser is guided to the second face of dichroscope, since Projection Display needs one-wavelength laser and one-wavelength laser to swash simultaneously
The fluorescence of other colors sent out, therefore one-wavelength laser can be reflexed to output identical with fluorescence by the second face of dichroscope
Light path, so as to regard one-wavelength laser and fluorescence as light source by the output of identical output light path.
In above-mentioned light supply apparatus, since the colour purity of fluorescence is relatively low, it is therefore desirable to subsequently be connected in light supply apparatus
Increase filter wheel in ray machine, to different colours light by the way that the purity of color can be improved after filter wheel.However, light is logical
A degree of loss is will produce after crossing filter wheel, in this way, the display effect that projection device will be reduced.
Invention content
In view of the above problems, it is proposed that the embodiment of the present invention fills in order to provide a kind of light source at least overcoming the above problem
It sets, the control method of light supply apparatus and projection device, to solve light by will produce loss when filter wheel in light supply apparatus,
The problem of to reduce display effect.
According to the first aspect of the invention, a kind of light supply apparatus is provided, the light supply apparatus includes：
At least three laser assemblies of different colours, at least three beams of laser for exporting different colours；
Taper reflector is set on the emitting light path of at least three laser assembly, the taper reflector
Side surface is provided with laser reflection area, for reflecting at least three beams of laser, and at least from side surface output
Laser after three beams reflection；
Beam shaping component is set on the emitting light path of the taper reflector, for reflecting at least three beams
Laser afterwards carries out shaping, and the laser after output Shaping.
Optionally, the taper reflector is pyramid reflector.
Optionally, the taper reflector includes terrace with edge reflecting part, and is set to the first bottom of the terrace with edge reflecting part
The pyramid reflector in face；First bottom surface is that area is smaller in two bottom surfaces being mutually parallel in the terrace with edge reflecting part
Bottom surface；
The central axis of the terrace with edge reflecting part and the pyramid reflector overlaps；
Any base area of the terrace with edge reflecting part is more than the base area of the pyramid reflector；
Correspondingly, the prismatic reflecting part is additionally provided with light echo area；The light echo area is set to the terrace with edge
The region not covered by the pyramid reflector in first bottom surface of reflecting part.
Optionally, the light supply apparatus further includes at least three laser shrink beam components, is respectively arranged at described at least three
On the emitting light path of laser assembly between the taper reflector, for what is exported at least three laser assembly
At least three beams of laser carries out shrink beam, and the laser after at least three beams shrink beam is exported to the taper reflector.
Optionally, the laser assembly includes multiple mono-colour lasers of array arrangement, the laser shrink beam component packet
Include the first convex reflecting mirror and the first concave mirror being arranged on the common emitting light path of the multiple mono-colour laser；
First concave mirror is provided with light hole, and the one-wavelength laser of the multiple mono-colour laser transmitting is via institute
It states light hole and is emitted to first convex reflecting mirror；
The light beam that first convex reflecting mirror reflection comes is converged to the taper and reflected by first concave mirror
Body.
Optionally, the laser assembly includes multiple mono-colour lasers of array arrangement, the laser shrink beam component packet
It includes and sets gradually on the common emitting light path of the multiple mono-colour laser array, and the first lenticular of optical axis coincidence
Mirror, the first biconcave lens, the second biconvex lens and the first planoconvex spotlight.
Optionally, first biconcave lens and second biconvex lens are the balsaming lens of combination.
Optionally, the beam shaping component include set gradually on the emitting light path of the taper reflector, and
The first concave-convex lens, third biconvex lens and the second concave-convex lens of optical axis coincidence.
According to the second aspect of the invention, a kind of control method of light supply apparatus is provided, the method includes：
At least three laser assemblies for controlling different colours are opened, so that at least three laser assembly output is not
With at least three beams of laser of color, exported after passing sequentially through taper reflector and beam shaping component per Shu Jiguang.
According to the third aspect of the invention we, a kind of projection device is provided, the projection device includes any of the above-described kind of light
Source device, light valve and camera lens, the light that the light valve is emitted the light supply apparatus be emitted to after being modulated the camera lens with
It is imaged.
In embodiments of the present invention, at least three laser assemblies of different colours can export different colours monochrome swash
Light, later taper reflector at least three beams one-wavelength laser can be reflected, and from side surface output at least three beams reflection after
Laser, and then laser can be used as light source output after the shaping of beam shaping component.Due to the monochrome of one-wavelength laser
Property it is high, colour purity is high, there is no need to increase filter wheel in the ray machine that light supply apparatus subsequently connects, since light source is without passing through
Filter wheel, therefore the loss of light source can be reduced, and then the display effect of projection device can be improved.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of light supply apparatus provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another light supply apparatus provided in an embodiment of the present invention；
Fig. 3 is a kind of arrangement schematic diagram of laser assembly and laser shrink beam component provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the third light supply apparatus provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram that a kind of laser provided in an embodiment of the present invention carries out shrink beam by laser shrink beam component；
Fig. 6 is a kind of structural schematic diagram of taper reflector provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another taper reflector provided in an embodiment of the present invention；
Fig. 8 is a kind of flow chart of the control method of light supply apparatus provided in an embodiment of the present invention.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
Embodiment one
Referring to Fig.1, show that a kind of structural schematic diagram of light supply apparatus, the light supply apparatus can specifically include different colours
At least three laser assemblies 100, taper reflector 200 and beam shaping component 300.
At least three laser assemblies 100 of different colours can be used for exporting at least three beams of laser of different colours.
Taper reflector 200 can be set on the emitting light path of at least three laser shrink beam components 400, that is to say to
A few laser assembly 100 can be carried out centered on the installation position of taper reflector 200 around taper reflector 200
Setting, and the distance between each laser assembly 100 and taper reflector 200 can be identical, thus at least one laser
The laser that component 100 exports can emit to the position where taper reflector 200.
In addition, the side surface of taper reflector 200 is provided with laser reflection area, can be used for after at least three beams shrink beam
Laser is reflected, and exports the laser after at least three beams reflection from side surface.Wherein, laser reflection area is without coating fluorescence
Powder, when the laser reflection area of the laser irradiation that laser shrink beam component 400 exports to taper reflector 200, laser reflection area can
With directly by laser reflection to subsequent optical element, to which taper reflector 200 can be by side surface, by the laser of reflection
It is exported from the emitting light path of taper reflector 200.
Beam shaping component 300 can be set on the emitting light path of taper reflector, can be used for anti-to at least three beams
Laser after penetrating carries out shaping, and the laser after output Shaping is as light source.Beam shaping component 300 can be according to subsequent optical
Light source output demand, such as spot size, the uniformity of element etc., to being exported not on the emitting light path of taper reflector 200
Laser with color carries out shaping, and then the light after output Shaping, the light after shaping can be received by subsequent optical element,
To which the light source as projection device is utilized.
In embodiments of the present invention, at least three laser assemblies of different colours can export different colours monochrome swash
Light, later taper reflector at least three beams one-wavelength laser can be reflected, and from side surface output at least three beams reflection after
Laser, and then laser can be used as light source output after the shaping of beam shaping component.Due to the monochrome of one-wavelength laser
Property it is high, colour purity is high, there is no need to increase filter wheel in the ray machine that light supply apparatus subsequently connects, since light source is without passing through
Filter wheel, therefore the loss of light source can be reduced, and then the display effect of projection device can be improved.
Embodiment two
With reference to Fig. 2, the structural schematic diagram of another light supply apparatus is shown, which can specifically include different face
At least three laser assemblies 100 of color, at least three laser shrink beam components 400, taper reflector 200 and beam shaping component
300。
At least three laser shrink beam components 400, can be respectively arranged at the emitting light path of at least three laser assemblies 100
It is upper between taper reflector 200, so as at least three beams of laser for being exported at least three laser assemblies 100 into
Row shrink beam, and the laser after at least three beams shrink beam is exported can be with to taper reflector 200 namely laser assembly 100
It is correspondingly arranged a laser shrink beam component 400.
In practical applications, the laser assembly 100 of corresponding each color may include the multiple monochromatic sharp of array arrangement
Light device namely mono-colour laser array.For example, a laser assembly 100 may include multiple blue lasers of array arrangement
Device.The appropriate quantity for increasing laser, can improve the brightness of output light source, to improve the display effect of projection device.
At least three laser assemblies 100 of different colours may include multiple blue lasers, the array of array arrangement
Multiple red lasers of the multiple green laser and array arrangement of arrangement, certainly, in practical applications, at least three laser
Device assembly 100 can also include the mono-colour laser of other colors such as multiple Yellow lasers of array arrangement.With reference to Fig. 2, swash
Light shrink beam component 400 may include that the first convex reflecting mirror 401 and first for being arranged on the emitting light path of mono-colour laser is recessed
Face speculum 402, and the first concave mirror 402 is provided with light hole, the one-wavelength lasers of multiple mono-colour lasers transmittings via
Light hole can be emitted to the first convex reflecting mirror 401, and then the first concave mirror 402 is anti-by the first convex reflecting mirror 401
It penetrates the light beam come and converges to taper reflector 200.What the first convex reflecting mirror 401 and the first concave mirror 402 were formed swashs
Light shrink beam component 400 can shorten shrink beam, and then can reduce the occupied space of laser shrink beam component.
When blue laser output blue laser, blue laser can expose to the first convex reflecting mirror 401, and first is convex
Face speculum 401 has disperse function to blue laser, and blue laser can be dissipated into the first concave mirror 402, and first
Concave mirror 402 has convergence effect to blue laser, so as to be converged to blue laser, and then can will converge
Blue laser afterwards reflexes to the side surface of taper reflector 200.Similarly, what is be arranged on the emitting light path of green laser swashs
Light shrink beam component 400, the green laser that can be exported to green laser converges, and then can swash the green after convergence
Light reflection is to the side surface of taper reflector 200.The laser shrink beam component 400 being arranged on the emitting light path of red laser,
The red laser that can be exported to red laser converges, and then it is anti-the red laser after convergence to be reflexed to taper
The side surface of beam 200.
Fig. 3 shows a kind of arrangement schematic diagram of laser assembly and laser shrink beam component, with reference to Fig. 3, different colours
At least three laser assemblies 100 may include array arrangement multiple blue lasers composition blue laser array 101,
The green laser array 102 of multiple green laser composition of array arrangement and multiple red lasers of array arrangement
The red laser array 103 of composition.Fig. 4 shows the structural schematic diagram of another light supply apparatus, with reference to Fig. 4, laser shrink beam
Component 400 may include being set gradually on the common emitting light path of multiple mono-colour lasers, and first pair of optical axis coincidence
Convex lens 403, the first biconcave lens 404, the second biconvex lens 405 and the first planoconvex spotlight 406.Fig. 5 shows a kind of laser
The schematic diagram that shrink beam is carried out by laser shrink beam component, with reference to Fig. 5, since the laser beam that mono-colour laser array is sent out is wider,
Therefore the telescopic system that can be made up of the first biconvex lens 403 and the first biconcave lens 404, first to one-wavelength laser
The wide laser beam that device array is sent out carries out shrink beam, may then pass through the second biconvex lens 405 and the first planoconvex spotlight 406, right
Laser after shrink beam carries out shrink beam again, so as to export the laser after shrink beam twice to taper reflector 200.
In practical applications, the first biconcave lens 404 and the second biconvex lens 405 can separately positioned namely the two it
Between can be provided with certain spacing, as shown in Figure 3.Certainly, the first biconcave lens 404 and the second biconvex lens 405 can also
For the balsaming lens of combination, also can the first biconcave lens 404 and the second biconvex lens 405 be subjected to gluing in advance, to
It is combined as balsaming lens, the balsaming lens being made up of the first biconcave lens 404 and the second biconvex lens 405 can improve throwing
The camera lens of shadow equipment is to the spherical aberrations of different spectrum, and can correct the axial chromatic aberration and chromatic longitudiinal aberration of camera lens.
Fig. 6 shows a kind of structural schematic diagram of taper reflector, and with reference to Fig. 6, taper reflector 200 can be pyramid
Reflector, pyramid reflector can be positive triangular pyramid, positive rectangular pyramid etc., wherein the side of pyramid reflector is stupefied or side table
The quantity in face is consistent with the number of colors of laser assembly.Pyramid reflector includes a polygon bottom surface and at least three sides
Surface, wherein as shown in fig. 6, each side surface of pyramid reflector is both provided with laser reflection area, each laser reflection area
The one-wavelength laser after the shrink beam of the laser shrink beam component output for setting of being corresponding to it can be reflected, so as to will be after shrink beam
One-wavelength laser reflexes in beam shaping component 300.
Fig. 7 shows the structural schematic diagram of another taper reflector, and with reference to Fig. 7, taper reflector 200 may include rib
Platform reflecting part 201, and it is set to the pyramid reflector 202 of the first bottom surface of terrace with edge reflecting part 201.Wherein, the first bottom surface
The smaller bottom surface of area in two bottom surfaces being mutually parallel for terrace with edge reflecting part 201.Terrace with edge reflecting part 201 and pyramid reflector
202 central axis overlaps, and any base area of terrace with edge reflecting part 201 is more than the base area of pyramid reflector 202.
When taper reflector 200 includes terrace with edge reflecting part 201 and pyramid reflector 202, taper reflector 200 is also provided with
Light echo area, the light echo area can be set in the first bottom surface of terrace with edge reflecting part 201 not by pyramid reflector 202
The region of covering, fringe area as shown in Figure 7.In addition, in taper reflector 200 shown in Fig. 7, laser reflection area can
To be distributed in the side surface of pyramid reflector 202.
When light supply apparatus works, most laser can enter in beam shaping component 300, however, also very little
Fraction of laser light can not be directly entered due to device refraction, diffusing reflection etc. in beam shaping component 300, but can be radiated to
In the cavity of light supply apparatus, cavity wall can further reflect laser, and the part entered in the laser of cavity can
To reflex to the light echo area on taper reflector 200, to which this part can not be directly entered light beam by light echo area
In the laser reflection of shaping component 300 to beam shaping component 300, and then the utilization rate of laser can be improved, it may further
Improve the display effect of projection device.
It should be noted that terrace with edge reflecting part 201 and pyramid reflector 202 can be integrally formed, certainly, actually answering
In, after terrace with edge reflecting part 201 and pyramid reflector 202 can also be individually processing, then by be bonded etc. modes into
Row is composed, and the embodiment of the present invention is not especially limited this.
Beam shaping component 300 may include being set gradually on the emitting light path of taper reflector 200, and optical axis weight
The first concave-convex lens 301, third biconvex lens 302 and the second concave-convex lens 303 closed, it is whole so as to be carried out to one-wavelength laser
Shape, and output uniformity is good, and meet the light of the conditions such as output facula size as light source.In practical applications, light beam is whole
Shape component 300 can also include the optical element for meeting other shaping requirements in addition to above-mentioned 3 optical elements, such as
Can increase optical element etc. between third biconvex lens 302 and the second concave-convex lens 303, the embodiment of the present invention to this not
Make specific limit.
Beam shaping component 300 can export the light after shaping, to be provided for projection device as laser light source
It illuminates, the light that the light valve in projection device can be emitted light supply apparatus be modulated, and mirror can be emitted to after being modulated
Head is to be imaged.
In addition, the optical axis coincidence of each laser assembly 100 and the laser shrink beam component 400 being correspondingly arranged, taper reflection
The optical axis coincidence of the central axis and beam shaping component 300 of body 200, wherein laser assembly 100 and laser shrink beam component
Angle between 400 optical axis, and the optical axis of beam shaping component 300 can be according to the side surface inclination angle of taper reflector 200
It is configured.Referring for example to Fig. 2, when the angle between any side surface of taper reflector 200 and central axis is 45 degree,
The optical axis of beam shaping component 300 is also in 45 degree with the side surface of taper reflector 200, to laser assembly 100 and laser
The optical axis of shrink beam component 400 could be provided as the central axis upright with taper reflector 200, in this way, by laser assembly
100 and laser shrink beam component 400 export laser, beam shaping group can be reflexed to by the side surface of taper reflector 200
Part 300.
In light supply apparatus provided in an embodiment of the present invention, the side surface of taper reflector 200 can be utilized to reflect different
The one-wavelength laser of color that is to say laser group to make the light path light axis before and after taper reflector 200 no longer overlap
The outbound course of part 100 and laser shrink beam component 400 is different from the outbound course of final light source, thus can with light source output
On the different direction in direction, increase the arrangement space of laser assembly 100 and laser shrink beam component 400, and can accordingly increase
The quantity of laser assembly 100 and laser shrink beam component 400 so as to improve the autgmentability of light supply apparatus, and then is convenient for root
According to different brightness demands, the laser assembly 100 and laser shrink beam component 400 of different number are set.
It should be noted that each in laser assembly 100, laser shrink beam component 400 and beam shaping component 300
Mirror and speculum can be spherical mirror, or aspherical mirror, the embodiment of the present invention are not especially limited this.When projection is set
When standby not high to light source requirements, spherical mirror can be selected, when projection device is higher to light source requirements, can be selected aspherical
Mirror, so as to improve the convergence effect of light beam.
In embodiments of the present invention, at least three laser assemblies of different colours can export different colours monochrome swash
Light, laser shrink beam component can carry out shrink beam to one-wavelength laser later, and export the laser after shrink beam, and then taper reflector can
Under the irradiation of the laser after shrink beam, to export laser by the laser reflection area of side surface, and then laser is whole by light beam
Light source output can be used as after the shaping of shape component.Since the monochromaticjty of one-wavelength laser is high, colour purity is high, and there is no need in light
Increase filter wheel in the ray machine that source device subsequently connects, since light source is not necessarily to that, by filter wheel, the damage of light source can be reduced
Consumption, and then the display effect of projection device can be improved.In addition, since the optical element in light supply apparatus is reduced,
Loss of laser during output is reduced, so as to improve the delivery efficiency of light supply apparatus.Furthermore due in light supply apparatus
Optical element reduce, additionally it is possible to reduce the volume of light supply apparatus.
Embodiment three
With reference to Fig. 8, show that a kind of flow chart of the control method of light supply apparatus, this method can specifically include：
Step 801：At least three laser assemblies for controlling different colours are opened, so that at least three laser assemblies are defeated
Go out at least three beams of laser of different colours, is exported after passing sequentially through taper reflector and beam shaping component per Shu Jiguang.
In embodiments of the present invention, when at least three laser assemblies for controlling different colours are opened, at least three swash
Each laser assembly in light device assembly can export a kind of one-wavelength laser.
Taper reflector can receive every Shu Dan of each laser assembly output by the laser reflection area of side surface
Color laser, and then taper reflector can reflect every beam one-wavelength laser, and swash from the monochrome after the output reflection of side surface
Light.
The light that taper reflector is exported from side surface can enter beam shaping component, to which beam shaping component can be with
Shaping is carried out to light, and light source of the light after output Shaping as projection device, light source can be input to projection device
It is utilized in follow up device.
For example, at least three laser assemblies of different colours may include multiple blue lasers of array arrangement, battle array
The multiple red lasers for arranging the multiple green laser and array arrangement of arrangement can control multiple blue lasers, multiple
Green laser and multiple red lasers are opened simultaneously, to which each blue laser can export a branch of blue laser, often
A green laser can export a branch of green laser, meanwhile, each red laser can also export a branch of red laser.Cone
Three side surfaces of shape reflector are both provided with laser reflection area, and the first side surface can swash the blue that blue laser exports
Light is reflected, and from the blue laser after the first side surface output reflection, and the second side surface can export green laser
Green laser reflected, and from the green laser after the second side surface output reflection, likewise, third side surface can be right
The red laser of red laser output is reflected, and from the red laser after the output reflection of third side surface, to taper
Reflector can simultaneously the higher blue and green light of output purity and feux rouges.Beam shaping component can export taper reflector
Light carry out shaping, and the light after output Shaping is as light source.
In embodiments of the present invention, at least three laser assemblies of different colours can export different colours monochrome swash
Light, later taper reflector at least three beams one-wavelength laser can be reflected, and from side surface output at least three beams reflection after
Laser, and then laser can be used as light source output after the shaping of beam shaping component.Due to the monochrome of one-wavelength laser
Property it is high, colour purity is high, there is no need to increase filter wheel in the ray machine that light supply apparatus subsequently connects, since light source is without passing through
Filter wheel, therefore the loss of light source can be reduced, and then the display effect of projection device can be improved.
Example IV
An embodiment of the present invention provides a kind of projection device, the projection device includes any one of above-described embodiment light
Source device, light valve and camera lens, the light that the light valve is emitted the light supply apparatus be emitted to after being modulated the camera lens with
It is imaged.
In embodiments of the present invention, at least three laser assemblies of different colours can export different colours monochrome swash
Light, later taper reflector at least three beams one-wavelength laser can be reflected, and from side surface output at least three beams reflection after
Laser, and then laser can be used as light source output after the shaping of beam shaping component.Due to the monochrome of one-wavelength laser
Property high namely colour purity it is high, there is no need to increase filter wheel in the ray machine that light supply apparatus subsequently connects, since light source is not necessarily to
By filter wheel, therefore the loss of light source can be reduced, and then the display effect of projection device can be improved.
It should be noted that for embodiment of the method, for simple description, therefore it is all expressed as a series of action group
It closes, but those skilled in the art should understand that, the embodiment of the present invention is not limited by the described action sequence, because according to
According to the embodiment of the present invention, certain steps can be performed in other orders or simultaneously.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention is implemented
Necessary to example.
For device embodiments, since it is basically similar to the method embodiment, so fairly simple, the correlation of description
Place illustrates referring to the part of embodiment of the method.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiment, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can be provided as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
In a typical configuration, the computer equipment includes one or more processors (CPU), input/output
Interface, network interface and memory.Memory may include the volatile memory in computer-readable medium, random access memory
The forms such as device (RAM) and/or Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is to calculate
The example of machine readable medium.Computer-readable medium includes that permanent and non-permanent, removable and non-removable media can be with
Information storage is realized by any method or technique.Information can be computer-readable instruction, data structure, the module of program or
Other data.The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM
(SRAM), dynamic random access memory (DRAM), other kinds of random access memory (RAM), read-only memory
(ROM), electrically erasable programmable read-only memory (EEPROM), fast flash memory bank or other memory techniques, CD-ROM are read-only
Memory (CD-ROM), digital versatile disc (DVD) or other optical storages, magnetic tape cassette, tape magnetic disk storage or
Other magnetic storage apparatus or any other non-transmission medium can be used for storage and can be accessed by a computing device information.According to
Herein defines, and computer-readable medium does not include non-persistent computer readable media (transitory media), such as
The data-signal and carrier wave of modulation.
The embodiment of the present invention be with reference to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in flow and/or box combination.These can be provided
Computer program instructions are set to all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine so that is held by the processor of computer or other programmable data processing terminal equipments
Capable instruction generates for realizing in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes
The device of specified function.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing terminal equipments
In computer-readable memory operate in a specific manner so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one flow of flow chart or multiple flows and/or one side of block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing terminal equipments so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one flow of flow chart or multiple flows
And/or in one box of block diagram or multiple boxes specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also include other elements that are not explicitly listed, or further include for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, limited by sentence " including one ... "
Element, it is not excluded that identical wanted there is also other in process, method, article or the terminal device including the element
Element.
The control method to a kind of light supply apparatus provided by the present invention, a kind of light supply apparatus and a kind of projection are set above
It is standby, it is described in detail, principle and implementation of the present invention are described for specific case used herein, above
The explanation of embodiment is merely used to help understand the method and its core concept of the present invention；Meanwhile for the general skill of this field
Art personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this
Description should not be construed as limiting the invention.
Claims (10)
1. a kind of light supply apparatus, which is characterized in that the light supply apparatus includes：
At least three laser assemblies of different colours, at least three beams of laser for exporting different colours；
Taper reflector is set on the emitting light path of at least three laser assembly, the side table of the taper reflector
Face is provided with laser reflection area, and at least three beams is exported for reflecting at least three beams of laser, and from the side surface
Laser after reflection；
Beam shaping component is set on the emitting light path of the taper reflector, after reflecting at least three beams
Laser carries out shaping, and the laser after output Shaping.
2. light supply apparatus according to claim 1, which is characterized in that the taper reflector is pyramid reflector.
3. light supply apparatus according to claim 1, which is characterized in that the taper reflector includes terrace with edge reflecting part, with
And it is set to the pyramid reflector of the first bottom surface of the terrace with edge reflecting part；First bottom surface is in the terrace with edge reflecting part
The smaller bottom surface of area in two bottom surfaces being mutually parallel；
The central axis of the terrace with edge reflecting part and the pyramid reflector overlaps；
Any base area of the terrace with edge reflecting part is more than the base area of the pyramid reflector；
Correspondingly, the prismatic reflecting part is additionally provided with light echo area；The light echo area is set to the terrace with edge reflection
The region not covered by the pyramid reflector in first bottom surface in portion.
4. light supply apparatus according to claim 1, which is characterized in that the light supply apparatus further includes the contracting of at least three laser
Tread assembly is respectively arranged on the emitting light path of at least three laser assembly between the taper reflector, is used for
Shrink beam is carried out at least three beams of laser of at least three laser assembly output, and the laser after at least three beams shrink beam is defeated
Go out to the taper reflector.
5. light supply apparatus according to claim 4, which is characterized in that the laser assembly includes the multiple of array arrangement
Mono-colour laser, the laser shrink beam component include first be arranged on the common emitting light path of the multiple mono-colour laser
Convex reflecting mirror and the first concave mirror；
First concave mirror is provided with light hole, and the one-wavelength laser of the multiple mono-colour laser transmitting is via described logical
Unthreaded hole is emitted to first convex reflecting mirror；
The light beam that first convex reflecting mirror reflection comes is converged to the taper reflector by first concave mirror.
6. light supply apparatus according to claim 4, which is characterized in that the laser assembly includes the multiple of array arrangement
Mono-colour laser, the laser shrink beam component include being set gradually on the common emitting light path of the multiple mono-colour laser
, and the first biconvex lens of optical axis coincidence, the first biconcave lens, the second biconvex lens and the first planoconvex spotlight.
7. light supply apparatus according to claim 6, which is characterized in that first biconcave lens and second lenticular
Mirror is the balsaming lens of combination.
8. light supply apparatus according to claim 1, which is characterized in that it is anti-that the beam shaping component is included in the taper
It is set gradually on the emitting light path of beam, and the first concave-convex lens of optical axis coincidence, third biconvex lens and second are concave-convex thoroughly
Mirror.
9. a kind of control method of light supply apparatus, which is characterized in that it is any described that the method is applied to claim 1 to 8
Light supply apparatus, the method includes：
At least three laser assemblies for controlling different colours are opened, so that at least three laser assembly exports different face
At least three beams of laser of color exports after passing sequentially through taper reflector and beam shaping component per Shu Jiguang.
10. a kind of projection device, which is characterized in that the projection device includes any light source dress of claim 1 to 8
It sets, light valve and camera lens, the light that the light valve is emitted the light supply apparatus are emitted to the camera lens to carry out after being modulated
Imaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432212.5A CN108628074A (en) | 2018-05-08 | 2018-05-08 | The control method and projection device of a kind of light supply apparatus, light supply apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432212.5A CN108628074A (en) | 2018-05-08 | 2018-05-08 | The control method and projection device of a kind of light supply apparatus, light supply apparatus |
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| CN108628074A true CN108628074A (en) | 2018-10-09 |
Family
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| US11287732B2 (en) | 2018-12-28 | 2022-03-29 | Hisense Laser Display Co., Ltd. | Optical illumination system and projection device |
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Application publication date: 20181009 |