CN104765238B - A kind of double laser light source system - Google Patents
A kind of double laser light source system Download PDFInfo
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- CN104765238B CN104765238B CN201410004026.3A CN201410004026A CN104765238B CN 104765238 B CN104765238 B CN 104765238B CN 201410004026 A CN201410004026 A CN 201410004026A CN 104765238 B CN104765238 B CN 104765238B
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- 238000001914 filtration Methods 0.000 claims abstract description 43
- 230000003287 optical effect Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 11
- 238000002310 reflectometry Methods 0.000 claims description 10
- 238000009792 diffusion process Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 17
- 239000003086 colorant Substances 0.000 description 7
- 238000005286 illumination Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000010981 turquoise Substances 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
- G02B26/008—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light in the form of devices for effecting sequential colour changes, e.g. colour wheels
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
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- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Astronomy & Astrophysics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Projection Apparatus (AREA)
Abstract
The present invention relates to a kind of double laser light source systems, including：Blue LD and red LD；The light-dividing device of blue light is reflected in fractional transmission part；Convertible blue light is new coloured light and transmits the fluorescence colour wheel of newly generated coloured light；First driving means；The first Multiplexing apparatus that blue light and newly generated coloured light light path are merged；The second Multiplexing apparatus that feux rouges, newly generated coloured light and blue light paths are merged；Optical filtering colour wheel and the third driving device of driving optical filtering colour wheel rotation；Control device, the power switch for controlling first driving means, the second driving device, third driving device and blue LD and red LD so that fluorescence colour wheel is synchronous with the holding of optical filtering colour wheel, to generate each sequential coloured light of target luminous power；Light collecting device.By the above-mentioned means, the present invention, which provides double laser light source system, can be improved the color saturation of light source and the color purity of primary lights.
Description
Technical field
The present invention relates to illumination and display technology fields, more particularly to a kind of double laser light source system.
Background technology
Monolithic DLP（Digital Light Processor Digital Light Processors）Projector is imaged due to needing at one
There is provided red, green, blue three kinds of colors simultaneously on device, image-forming principle is to generate full color by a high-speed rotating colour wheel
Projected image, colour wheel is made of three color lump of red, green, blue.In the prior art, pass through rotation using white light launched by light source
Colour wheel after, redgreenblue in white light can sequence alternate project DMD（Digtal Micromirror Device numbers
Word micro-mirror device）On chip surface, camera lens is arrived at through the primary reflecting mirror on dmd chip, then screen is projected to by camera lens and is allowed to
Imaging.But the service life of bulb source is limited, and carry out the purity of projection display picture brightness and color all only with it
Can be relatively enough at last, high brightness, high color purity Projection Display, the requirement of especially outdoor Projection Display cannot be met.
In order to solve the above technical problems, a kind of double laser light source system provided by the invention.
Invention content
The invention mainly solves the technical problem of providing a kind of double laser light source systems, by the difference for controlling beam-splitter
The region of reflectivity is set on the propagation path of blue LD and later use rotating filtering colour wheel divides RGB light
Shi Xuanse can be improved the brightness of projection display picture and the color purity of light source three primary colours, and then projected picture can be improved
Show quality.
In order to solve the above technical problems, one aspect of the present invention is：A kind of double laser light source system is provided,
Including：
Blue LD and red LD；
Light-dividing device is set to going out on light path for blue LD, reflects blue light for fractional transmission part；
Bireflectance microscope group, the blue light for the reflection of reflection beam splitting device is to the first Multiplexing apparatus；
Fluorescence colour wheel is set on the downstream travel path of the blue light of light-dividing device transmission, includes at least along central shaft
In fan annular spread and nonoverlapping converting blue light that is used for is the first wave length transition zone of green light, and for transmiting newly generated color
On light to the first Multiplexing apparatus；
First driving means, for driving fluorescence colour wheel to be rotated along central shaft；
First Multiplexing apparatus is set on the downstream travel path of newly generated coloured light, is newly produced for reflected fluorescent light colour wheel
Raw coloured light, transmission blue light, and then the newly generated coloured light of fluorescence colour wheel and blue light paths are merged；
Second Multiplexing apparatus is set on the downstream travel path of the light after the first Multiplexing apparatus merges and red
LD's goes out on light path, second Multiplexing apparatus for reflect feux rouges and transmit the coloured light in addition to feux rouges so by feux rouges and
Coloured light light path in addition to feux rouges merges；
Optical filtering colour wheel is set on the heterogeneous light propagation path of the second Multiplexing apparatus output, and the optical filtering colour wheel includes
Along central shaft at least three regions of fan annular, first area is for only by blue light, second area to be used for only by red
Light, third region is for only passing through green light；
Third driving device, for driving optical filtering colour wheel to be rotated along central shaft；
Control device, for controlling first driving means, the second driving device, third driving device and blue LD and red
The power switch of color LD, and make fluorescence colour wheel synchronous with the holding of optical filtering colour wheel, to generate each sequential coloured light of target luminous power.
Light collecting device, for collecting the sequential light transmitted through optical filtering colour wheel；
Wherein, the light-dividing device includes beam-splitter and the second driving device, and the beam-splitter includes at least three region,
And the different zones at least three region are different to the reflectivity of blue light, the transmission to the newly generated coloured light of fluorescence colour wheel
Rate is identical, and second driving device is for driving beam-splitter movement so that different regions is in the irradiation of blue light hot spot
Under.
Wherein, at least three region that the beam-splitter includes all is in fan annular and forms concentric with the central shaft of beam-splitter
Ring-type, the second driving device driving beam-splitter is rotated such that different moments different fan ring region is distributed in the propagation of blue light
On path.
Wherein, the beam-splitter includes 6 regions.
Wherein, the beam-splitter is rectangular, and at least three region is the rectangle being arranged mutually parallel successively, described
Second driving device is for driving beam-splitter to be translatable so that the different rectangular areas included by different moments beam-splitter are distributed in indigo plant
On the propagation path of light.
Wherein, the beam-splitter includes 6 regions.
Wherein, the fluorescence colour wheel further comprises being used for converting blue light in fan annular spread along fluorescence colour wheel central shaft
At least three regions for the second wave length transition zone of yellow light, optical filtering colour wheel further comprise the fourth region, the fourth region
For only yellow light being allowed to pass through.
Wherein, the fluorescence colour wheel further comprises being used for converting blue light in fan annular spread along fluorescence colour wheel central shaft
At least three regions for green light third wavelength-converting region, optical filtering colour wheel further comprise that the 5th region, the 5th region are used
Pass through in only permission green light.
Wherein, a diffusion sheet is provided on the propagation path of the blue light, the diffusion sheet is used to carry out even light to blue light
With elimination blue light speckle.
Wherein, it is provided with optoisolator between second Multiplexing apparatus and optical filtering colour wheel.
Double laser light source system according to above-mentioned any one, it is set successively between blue LD and the light-dividing device
Be equipped with the first planoconvex spotlight and the first collimating mirror, and the convex surface of the first planoconvex spotlight is towards blue LD, the first collimating mirror for pair
The emergent light of first planoconvex spotlight is collimated, and the second planoconvex spotlight and second are provided between light-dividing device and bireflectance microscope group
It is saturating that the convex surface of planoconvex spotlight towards bireflectance microscope group, between two speculums included by bireflectance microscope group is provided with third plano-convex
The convex surface of mirror and third planoconvex spotlight is provided with Siping City's convex lens towards second speculum between light-dividing device and fluorescence colour wheel
It is saturating to be provided with the 5th plano-convex towards light-dividing device for the convex surface of mirror and the 4th planoconvex spotlight between light-dividing device and the first Multiplexing apparatus
The convex surface of mirror and the 5th planoconvex spotlight is disposed with the 6th towards the first Multiplexing apparatus between red LD and the second Multiplexing apparatus
Planoconvex spotlight and the second collimating mirror, and the convex surface of the 6th planoconvex spotlight, towards red LD, the second collimating mirror is used for the 6th plano-convex
The emergent light of lens is collimated, and is arranged after second Multiplexing apparatus there are one convex lens, the convex lens is used to converge
Coloured light after merging through the second Multiplexing apparatus.
The beneficial effects of the invention are as follows：The case where being different from the prior art, double laser light source system provided by the invention are led to
The region to blue light different reflectivity for crossing control beam-splitter is set on the propagation path of blue light and later use rotation filter
Photochromic wheel carries out timesharing to polychromatic light and selects color, the color saturation of projection light source and the color purity of primary lights can be improved, in turn
The display quality of projected picture can be improved.
Description of the drawings
Fig. 1 is the structural schematic diagram of an embodiment of the double laser light source system of the present invention；
Fig. 2 be the present invention double laser light source system in beam-splitter first embodiment structural schematic diagram；
Fig. 3 be the present invention double laser light source system in beam-splitter second embodiment structural schematic diagram；
Fig. 4 is the structural schematic diagram of the first embodiment of the fluorescence colour wheel of the double laser light source system of the present invention；
Fig. 5 is the structural schematic diagram of the first embodiment of the optical filtering colour wheel of the double laser light source system of the present invention；
Fig. 6 is the structural schematic diagram of the second embodiment of the fluorescence colour wheel of the double laser light source system of the present invention；
Fig. 7 is the structural schematic diagram of the second embodiment of the optical filtering colour wheel of the double laser light source system of the present invention；
Fig. 8 is the structural schematic diagram of the 3rd embodiment of the fluorescence colour wheel of the double laser light source system of the present invention；
Fig. 9 is the structural schematic diagram of the 3rd embodiment of the optical filtering colour wheel of the double laser light source system of the present invention.
Specific implementation mode
Fig. 1 is referred to, Fig. 1 is the structural schematic diagram of an embodiment of the double laser light source system of the present invention.Such as Fig. 1 institutes
Show, the double laser light source system of the present embodiment includes：Blue LD11, red LD12, light-dividing device（Including beam-splitter 13 and second
Driving device（It is not shown））, bireflectance microscope group（Including the first speculum 14 and the second speculum 15）, fluorescence colour wheel 16, first
Driving device（It is not shown）, the first Multiplexing apparatus 17, the second Multiplexing apparatus 18, optical filtering colour wheel 19, third driving device 20, control
Device（It is not shown）With light collecting device 21.
In the present embodiment, light-dividing device is set to the going out on light path of blue LD11, and the reflection of fractional transmission part is incident
Arrive blue light thereon.Blue light is split after device reflects and is incident in bireflectance microscope group, and specifically, blue light is reflected to first
On first speculum 14, blue light is incident on after the reflection of the first speculum 14 on the second speculum 15, and blue light is by the second reflection
It is incident on the first Multiplexing apparatus 17 after the reflection of mirror 15.
In the present embodiment, control device is for controlling first driving means, the second driving device, third driving device 20
And the power switch of blue LD11 and red LD12 so that fluorescence colour wheel 16 is synchronous with the holding of optical filtering colour wheel 19, to generate mesh
Mark each sequential coloured light of luminous power.
In the present embodiment, the blue light of blue LD11 transmittings is split after device transmits and is incident on fluorescence colour wheel 16.
Wherein, it is provided with wavelength conversion material on fluorescence colour wheel 16（Fluorescent material）, the wavelength conversion material is for converting blue light
For the coloured light of corresponding color, and fluorescence colour wheel 16 transmits newly generated coloured light.Therefore, after blue light illumination to fluorescence colour wheel 16
It is converted first by fluorescence colour wheel 16, then newly generated coloured light is incident on the first Multiplexing apparatus 17 after the transmission of fluorescence colour wheel 16
On.
In the present embodiment, beam-splitter 13 includes at least three region, and the different zones pair at least three region
The reflectivity of blue light is different, and the second driving device is for driving the movement of beam-splitter 13 so that different regions can be at blue light
Under irradiation.
In a preferred embodiment of the invention, at least three region that beam-splitter 13 includes all is in fan annular and forms
The concentric ring-type with the central shaft of beam-splitter 13.Preferred at least three region includes 6 regions in the embodiment of the present invention,
Specifically refer to Fig. 3, Fig. 3 be the present invention double laser light source system in beam-splitter first embodiment structural schematic diagram,
Certain beam-splitter 13 in other embodiments of the invention may include the fan annular region of other numbers.As shown in figure 3, beam-splitter
13 include 6 fan annular regions 131,132,133,134,135 and 136, and each fan ring is different to the reflectivity of blue light.It can be excellent
Select the reflectivity incremented/decremented to blue light from fan annular region 131 to fan annular region 136.
In another preferred embodiment of the invention, beam-splitter 13 is rectangular, and at least three region is phase successively
The rectangle of mutual parallel arrangement, the second driving device is for driving beam-splitter 13 to be translatable so that the different squares included by beam-splitter 13
Shape area distribution is on the propagation path of blue light.Preferably at least three region includes 6 regions in the present embodiment, specifically
Ground refers to Fig. 4, and Fig. 4 is the structural schematic diagram of the second embodiment of the double laser light source system beam-splitter of the present invention, is existed certainly
Beam-splitter 13 may include the rectangular area of other numbers in the other embodiment of the present invention.As shown in figure 4, beam-splitter 13` includes 6
A rectangular area 131`, 132`, 133`, 134`, 135` and 136`, and each rectangular area is different to the reflectivity of blue light.It can
It is preferred that from rectangular area 131` to rectangle shape region 136` to the reflectivity incremented/decremented of blue light.
In other embodiments of the invention, beam-splitter 13 may include the region of at least three other shapes, and the present invention is to this
It is not limited.
In the present embodiment, the coloured light transmitted through fluorescence colour wheel 16 is incident on the first Multiplexing apparatus 17, the first closing light dress
It sets 17 transmission blue lights, 16 newly generated coloured light of reflected fluorescent light colour wheel and then merges the light path of blue light and newly generated coloured light.It is red
The feux rouges of color LD12 transmittings is incident on first on the second Multiplexing apparatus 18, is then reflected by the second Multiplexing apparatus 18, and is incident on
Newly generated coloured light and blue light on second Multiplexing apparatus 18 are transmitted by the second Multiplexing apparatus 18, and the second Multiplexing apparatus 18 is by right
The light path of feux rouges, newly generated coloured light and blue light is merged newly generated coloured light and blue light transmissive mode, warp by reflection to red light
Coloured light after second Multiplexing apparatus, 18 light path merges then is incident on optical filtering colour wheel 19.
Refer to Fig. 4, Fig. 4 is shown in the structure of the first embodiment of the fluorescence colour wheel of the double laser light source system of the present invention
It is intended to.As shown in figure 4, fluorescence colour wheel 16 includes the first wave length transition zone 161 in fan annular spread, first wave along central shaft
Long transition zone 161 is green light for converting blue light.Correspondingly, the structure of optical filtering colour wheel 19 is as shown in figure 5, Fig. 5 is of the invention
The structural schematic diagram of the first embodiment of the optical filtering colour wheel of double laser light source system.As shown in figure 5, optical filtering colour wheel 19 includes along it
Central shaft is in three regions of fan annular, and first area 191 is for only allowing blue light to pass through, and second area 192 is for only allowing
Feux rouges passes through, and third region 193 is for only allowing green light to pass through.Third driving device 20 is in driving optical filtering colour wheel 19 along its center
During shaft rotation is dynamic, first area 191, second area 192, third region 193 are alternately disposed at the propagation road of RGB light
It on diameter, therefore is only mapped to by RGB illumination there are one region in the same time, and there was only a kind of light of color in the same time
Pass through optical filtering colour wheel 19.The light being emitted through optical filtering colour wheel 19 is in red, green, blue three primary colours sequential light.Red, green, blue three primary colours sequential
Light incidence enters light collecting device 21 and is incident on dmd chip after 21 even light of light collecting device.
Fig. 6 and Fig. 7 are referred to, Fig. 6 is the knot of the second embodiment of the fluorescence colour wheel of the double laser light source system of the present invention
Structure schematic diagram, Fig. 7 are the structural schematic diagrams of the second embodiment of the optical filtering colour wheel of the double laser light source system of the present invention.Such as Fig. 6
Shown, fluorescence colour wheel 16` includes the first wave length transition zone 161` and second wave length conversion along central shaft in fan annular spread
Area 162`, first wave length transition zone 161` are green light for converting blue light, and second wave length transition zone 162` is for converting blue light
Yellow light.Correspondingly, as shown in fig. 7, optical filtering colour wheel 19` includes four regions in fan annular, first area 191 along central shaft
` is for only allowing blue light to pass through, and second area 192` is for only allowing feux rouges to pass through, and third region 193` is for only allowing green light
Pass through, the fourth region 194` is for only allowing yellow light to pass through.Third driving device 20 is in driving optical filtering colour wheel 19` along central shaft
During rotation, first area 191`, second area 192`, third region 193` and third region 194` are alternately disposed at red
It on the propagation path of turquoise yellow light, therefore is only mapped to by red, green, blue and yellow illumination there are one region in the same time, and in same a period of time
Between a kind of only light of color penetrate optical filtering colour wheel 19`.When light through the 19` transmissions of optical filtering colour wheel is in red, green, blue, yellow four primary
Sequence light.Red, green, blue, yellow three primary colours sequential light incidence enter light collecting device 21 and are incident on after 21 even light of light collecting device
On dmd chip.
Fig. 8 and Fig. 9 are referred to, Fig. 8 is the knot of the 3rd embodiment of the fluorescence colour wheel of the double laser light source system of the present invention
Structure schematic diagram, Fig. 9 are the structural schematic diagrams of the 3rd embodiment of the optical filtering colour wheel of the double laser light source system of the present invention.Such as Fig. 8
Shown, fluorescence colour wheel 16`` includes being converted in the first wave length transition zone 161`` of fan annular spread, second wave length along central shaft
Area 162`` and third wavelength-converting region 162``, first wave length transition zone 161`` are green light for converting blue light, and second wave length turns
It is yellow light that area 162``, which is changed, for converting blue light, and third wavelength-converting region 162`` is green light for converting blue light and reflects green light.
Correspondingly, as shown in figure 9, optical filtering colour wheel 19`` includes that five regions in fan annular, first area 191`` are used along central shaft
In only blue light being allowed to pass through, second area 192`` is for only allowing feux rouges to pass through, and third region 193`` is for only allowing green light
Pass through, the fourth region 194`` is for only allowing yellow light to pass through, and the 5th region 195`` is for only allowing green light to pass through.Third drives
Device 20 is during driving optical filtering colour wheel 19`` to be rotated along central shaft, first area 191``, second area 192``, the
Three region 193``, the fourth region 194`` and the 5th region 195`` are alternately disposed on the propagation path of red, green, blue and yellow green light, because
This is only mapped to there are one region by red, green, blue and yellow illumination in the same time, and only has a kind of light of color to penetrate filter in the same time
Photochromic wheel 19``.Light through the 19`` transmissions of optical filtering colour wheel is in red, green, blue, Huang, green five primary colours sequential lights.Red, green, blue, Huang, blueness
Three primary colours sequential light incidence enters light collecting device 21 and is incident on dmd chip after 21 even light of light collecting device.
In a preferred embodiment of the invention, a diffusion sheet, the diffusion sheet are provided on the propagation path of blue light
For carrying out even light to blue light and eliminating blue light speckle.
In an embodiment of the present invention, in order to which influence of the reflected light to light source is isolated, on the propagation road of blue light and/or feux rouges
One optoisolator is set on diameter, is preferably provided with optoisolator between the second Multiplexing apparatus 18 and optical filtering colour wheel 19.
Description according to above-mentioned any one to the double laser light source system of the present invention, in actual use preferably：
The first planoconvex spotlight 22 and the first collimating mirror 23, and the first plano-convex are set gradually between blue LD and light-dividing device
The convex surface of lens 22 is towards blue LD11, and the first collimating mirror 23 is for collimating the emergent light of the first planoconvex spotlight 22；
The convex surface face of second planoconvex spotlight 24 and the second planoconvex spotlight 24 is set between light-dividing device and bireflectance microscope group
To bireflectance microscope group；
Third planoconvex spotlight 25 is set between two speculums 14,15 included by bireflectance microscope group and third plano-convex is saturating
The convex surface of mirror 25 is towards second speculum 15；
The convex surface face of 4th planoconvex spotlight 26 and the 4th planoconvex spotlight 26 is set between light-dividing device and fluorescence colour wheel 16
To light-dividing device；
The convex of 5th planoconvex spotlight 27 and the 5th planoconvex spotlight 27 is set between light-dividing device and the first Multiplexing apparatus 17
Face is towards the first Multiplexing apparatus 17；
The 6th planoconvex spotlight 28 and the second collimating mirror 29 are set gradually between red LD12 and the second Multiplexing apparatus 18, and
Towards red LD12, the second collimating mirror 29 is used to carry out the emergent light of the 6th planoconvex spotlight 28 on the convex surface of 6th planoconvex spotlight 28
Collimation；
There are one convex lenses 30 for setting after the second Multiplexing apparatus 18, and convex lens 30 is for converging through the second Multiplexing apparatus
Polychromatic light after the merging of 18 light paths.
By the above-mentioned means, double laser light source system provided by the invention, by the different reflectivity for controlling beam-splitter
Region is set on the propagation path of blue light and later use rotating filtering colour wheel carries out timesharing to polychromatic light and selects color, can be improved
The color saturation of projection display light source and the color purity of primary lights, and then the display quality of projected picture can be improved.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of double laser light source system, which is characterized in that the double laser light source system includes：
Blue LD and red LD；
Light-dividing device is set to going out on light path for blue LD, reflects blue light for fractional transmission part；
Bireflectance microscope group, the blue light for the reflection of reflection beam splitting device is to the first Multiplexing apparatus；
Fluorescence colour wheel is set on the downstream travel path of the blue light of light-dividing device transmission, includes at least along central shaft in fan
Annular spread and nonoverlapping for the first wave length transition zone that converting blue light is green light, and arrive for transmiting newly generated coloured light
On first Multiplexing apparatus；
First driving means, for driving fluorescence colour wheel to be rotated along central shaft；
First Multiplexing apparatus is set on the downstream travel path of newly generated coloured light, newly generated for reflected fluorescent light colour wheel
Coloured light, transmission blue light, and then the newly generated coloured light of fluorescence colour wheel and blue light paths are merged；
Second Multiplexing apparatus, is set on the downstream travel path of the light after the first Multiplexing apparatus merges and red LD
Go out on light path, second Multiplexing apparatus transmits the coloured light in addition to feux rouges in turn by feux rouges and except red for reflecting feux rouges
Coloured light light path except light merges；
Optical filtering colour wheel is set on the heterogeneous light propagation path of the second Multiplexing apparatus output, and the optical filtering colour wheel includes along it
Central shaft is at least three regions of fan annular, and first area is for only by blue light, and second area is for only by feux rouges, and the
Three regions are for only passing through green light；
Third driving device, for driving optical filtering colour wheel to be rotated along central shaft；
Control device, for controlling first driving means, the second driving device, third driving device and blue LD and red LD
Power switch, and make fluorescence colour wheel it is synchronous with the holding of optical filtering colour wheel, to generate each sequential coloured light of target luminous power；
Light collecting device, for collecting the sequential light transmitted through optical filtering colour wheel；
Wherein, the light-dividing device includes beam-splitter and the second driving device, and the beam-splitter includes at least three region, and institute
State different zones at least three region it is different to the reflectivity of blue light, to the transmissivity phase of the newly generated coloured light of fluorescence colour wheel
Together, second driving device is for driving beam-splitter movement so that different regions is under the irradiation of blue light hot spot；Institute
State that beam-splitter is rectangular, and at least three region is the rectangle being arranged mutually parallel successively, second driving device is used for
Drive beam-splitter translation so that the different rectangular areas included by different moments beam-splitter are distributed on the propagation path of blue light.
2. double laser light source system according to claim 1, which is characterized in that the beam-splitter includes 6 regions.
3. double laser light source system according to claim 1, which is characterized in that the fluorescence colour wheel further comprises along glimmering
It is photochromic wheel central shaft in fan annular spread for converting blue light be yellow light second wave length transition zone, at least the three of optical filtering colour wheel
A region further comprises the fourth region, and the fourth region is for only allowing yellow light to pass through.
4. double laser light source system according to claim 3, which is characterized in that the fluorescence colour wheel further comprises along glimmering
It is photochromic wheel central shaft in fan annular spread for converting blue light be green light third wavelength-converting region, at least three of optical filtering colour wheel
Region further comprises the 5th region, and the 5th region is for only allowing green light to pass through.
5. double laser light source system according to claim 1, which is characterized in that be provided on the propagation path of the blue light
One diffusion sheet, the diffusion sheet are used to carry out even light to blue light and eliminate blue light speckle.
6. double laser light source system according to claim 1, which is characterized in that second Multiplexing apparatus and optical filtering colour wheel
Between be provided with optoisolator.
7. according to the double laser light source system described in claim 1-6 any one, which is characterized in that the blue LD and light splitting
It is disposed with the first planoconvex spotlight and the first collimating mirror between device, and the convex surface of the first planoconvex spotlight is towards blue LD,
One collimating mirror is provided with second for being collimated to the emergent light of the first planoconvex spotlight between light-dividing device and bireflectance microscope group
The convex surface of planoconvex spotlight and the second planoconvex spotlight is set between two speculums included by bireflectance microscope group towards bireflectance microscope group
The convex surface of third planoconvex spotlight and third planoconvex spotlight is equipped with towards second speculum, is set between light-dividing device and fluorescence colour wheel
The convex surface of the 4th planoconvex spotlight and the 4th planoconvex spotlight is equipped with towards light-dividing device, is set between light-dividing device and the first Multiplexing apparatus
The convex surface of the 5th planoconvex spotlight and the 5th planoconvex spotlight is equipped with towards the first Multiplexing apparatus, between red LD and the second Multiplexing apparatus
It is disposed with the 6th planoconvex spotlight and the second collimating mirror, and the convex surface of the 6th planoconvex spotlight is towards red LD, the second collimating mirror
It is collimated for the emergent light to the 6th planoconvex spotlight, there are one convex lenses for setting after second Multiplexing apparatus, described
Convex lens is used to converge the coloured light after through the second Multiplexing apparatus merging.
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| CN201410004026.3A CN104765238B (en) | 2014-01-03 | 2014-01-03 | A kind of double laser light source system |
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| CN201410004026.3A CN104765238B (en) | 2014-01-03 | 2014-01-03 | A kind of double laser light source system |
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| CN104765238B true CN104765238B (en) | 2018-09-25 |
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Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557750B (en) * | 2017-09-26 | 2021-06-15 | 中强光电股份有限公司 | Illumination system and projection apparatus using the same |
| CN106383428B (en) * | 2015-08-06 | 2019-12-20 | 深圳光峰科技股份有限公司 | Light source system and projection system |
| CN106569378B (en) * | 2015-10-08 | 2018-09-21 | 海信集团有限公司 | A kind of laser dissipation spot light path and two-color laser light source, three color laser light sources |
| CN106569379B (en) * | 2015-10-08 | 2018-09-21 | 海信集团有限公司 | A kind of laser dissipation spot light path and two-color laser light source, three color laser light sources |
| CN107688274A (en) | 2016-08-05 | 2018-02-13 | 深圳市光峰光电技术有限公司 | A kind of light supply apparatus and projector equipment |
| CN107703705A (en) * | 2016-08-09 | 2018-02-16 | 深圳市光峰光电技术有限公司 | Light-source system and projector equipment |
| CN108008593B (en) * | 2016-10-28 | 2020-02-28 | 深圳光峰科技股份有限公司 | Light source system and display device |
| CN108153089B (en) * | 2016-12-02 | 2020-08-28 | 中强光电股份有限公司 | Illumination system and projection device using same |
| CN109991800B (en) * | 2018-01-03 | 2022-11-11 | 深圳光峰科技股份有限公司 | Light source device and projection system |
| CN108303839B (en) * | 2018-02-09 | 2019-11-12 | 广景视睿科技（深圳）有限公司 | A kind of laser projection lighting source and its optical projection system |
| CN108663881B (en) * | 2018-03-23 | 2020-06-02 | 广景视睿科技（深圳）有限公司 | Projection light source and projection system thereof |
| CN110389488B (en) * | 2018-04-19 | 2021-11-12 | 深圳光峰科技股份有限公司 | Light source system and projection equipment |
| JP7212843B2 (en) * | 2018-12-19 | 2023-01-26 | カシオ計算機株式会社 | Light source device and projection device |
| CN111381427A (en) * | 2018-12-29 | 2020-07-07 | 深圳光峰科技股份有限公司 | Light source system, display device and light source control method |
| CN111665579A (en) * | 2019-03-08 | 2020-09-15 | 台湾彩光科技股份有限公司 | Diffusion color wheel with different haze and illumination module of projection device |
| CN112015036A (en) * | 2019-05-30 | 2020-12-01 | 台达电子工业股份有限公司 | Light source system |
| CN113467168A (en) | 2020-03-30 | 2021-10-01 | 中强光电股份有限公司 | Illumination system, illumination control method and projection device |
| CN113703269A (en) * | 2020-05-21 | 2021-11-26 | 中强光电股份有限公司 | Projection apparatus and control method of projection apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7322703B2 (en) * | 2004-07-07 | 2008-01-29 | Olympus Corporation | Light emitting apparatus and projector |
| JP2011013371A (en) * | 2009-06-30 | 2011-01-20 | Casio Computer Co Ltd | Light source device, projection apparatus and projection method |
| JP2011175000A (en) * | 2010-02-23 | 2011-09-08 | Minebea Co Ltd | Projector |
| TWI386753B (en) * | 2009-03-13 | 2013-02-21 | Hon Hai Prec Ind Co Ltd | Light source system |
| CN103062672A (en) * | 2011-10-21 | 2013-04-24 | 中强光电股份有限公司 | Lighting system and projection device |
-
2014
- 2014-01-03 CN CN201410004026.3A patent/CN104765238B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7322703B2 (en) * | 2004-07-07 | 2008-01-29 | Olympus Corporation | Light emitting apparatus and projector |
| TWI386753B (en) * | 2009-03-13 | 2013-02-21 | Hon Hai Prec Ind Co Ltd | Light source system |
| JP2011013371A (en) * | 2009-06-30 | 2011-01-20 | Casio Computer Co Ltd | Light source device, projection apparatus and projection method |
| JP2011175000A (en) * | 2010-02-23 | 2011-09-08 | Minebea Co Ltd | Projector |
| CN103062672A (en) * | 2011-10-21 | 2013-04-24 | 中强光电股份有限公司 | Lighting system and projection device |
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