CN103713455B - Light-source system and relevant projecting system - Google Patents

Light-source system and relevant projecting system Download PDF

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Publication number
CN103713455B
CN103713455B CN201210370655.9A CN201210370655A CN103713455B CN 103713455 B CN103713455 B CN 103713455B CN 201210370655 A CN201210370655 A CN 201210370655A CN 103713455 B CN103713455 B CN 103713455B
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China
Prior art keywords
light
outgoing
section
wavelength
optical channel
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CN201210370655.9A
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Chinese (zh)
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CN103713455A (en
Inventor
胡飞
李屹
曹亮亮
杨毅
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Shenzhen Appotronics Corp Ltd
Shenzhen Appotronics Technology Co Ltd
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Shenzhen Yili Ruiguang Technology Development Co Ltd
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Priority to CN201410393174.9A priority Critical patent/CN104252093B/en
Application filed by Shenzhen Yili Ruiguang Technology Development Co Ltd filed Critical Shenzhen Yili Ruiguang Technology Development Co Ltd
Priority to CN201210370655.9A priority patent/CN103713455B/en
Priority to CN201410391951.6A priority patent/CN104216209B/en
Priority to CN201410391971.3A priority patent/CN104216210B/en
Priority to CN201410394654.7A priority patent/CN104267567B/en
Priority to CN201410395485.9A priority patent/CN104267568B/en
Priority to CN201410393328.4A priority patent/CN104252094B/en
Priority to CN201611109532.4A priority patent/CN106842790B/en
Publication of CN103713455A publication Critical patent/CN103713455A/en
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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

Abstract

The embodiment of the invention discloses a kind of light-source system, including: light-emitting device, for sequentially outgoing the first light and the second light；Beam splitting system, the first light for selfluminous device in future is divided into respectively along the first optical channel and the first range of wavelength light of the second optical channel outgoing and the second range of wavelength light, is additionally operable at least part of light of the second light of selfluminous device in the future along the first optical channel outgoing；First spatial light modulator, for being modulated along the light of the first optical channel outgoing described beam splitting system；Second space photomodulator, for being modulated along at least part of light of the second optical channel outgoing described beam splitting system.The present invention provides a kind of light-source system having luminous efficiency and lower cost concurrently.

Description

Light-source system and relevant projecting system
Technical field
The present invention relates to illumination and Display Technique field, particularly relate to a kind of light-source system and relevant projecting system thereof.
Background technology
In existing one chip DMD (Digital Micromirror Device, digital micromirror elements) system, Duo Geji Coloured light alternately enters DMD (DMD) and is modulated by it, and the monochromatic light image that modulation obtains is the most alternately switching on screen, and then The monochromatic light image blend of each sequential is formed coloured image by the persistence of vision effect utilizing human eye together.And prior art In, typically use R (red, HONGGUANG), G (green, green glow), B (blue, blue light) three primary colours light to be modulated.The most frequently used The way obtaining three primary colours sequential light is to use exciting light to excite the different segmentations on colour wheel with outgoing different colours successively successively Light.In the structure shown here, excitation source uses blue led (Light Emitting Diode, light emitting diode) or blueness to swash Light.Having three subregions on colour wheel, a subregion is provided with transparent area, for transmission blue light；Another two subregion is respectively arranged with Green light fluorescent powder and red light fluorescent powder, be respectively used to absorb exciting light and produce green Stimulated Light and red Stimulated Light.
But, in this phosphor source, red fluorescence powder is the working life and the one of luminous efficiency limiting light source Individual bottleneck.The light conversion efficiency of red light fluorescent powder is the highest, and the energy wherein lost all is converted to heat, causes the temperature of fluorescent material Rapid increase, can affect the most again its luminous efficiency and service life, forms vicious cycle.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of light-source system having luminous efficiency and lower cost concurrently.
The embodiment of the present invention provides a kind of light-source system, including:
Light-emitting device, for sequentially outgoing the first light and the second light；
Beam splitting system, the first light for selfluminous device in the future is divided into going out along the first optical channel and the second optical channel respectively The the first range of wavelength light penetrated and the second range of wavelength light, be additionally operable at least part of light edge of the second light of selfluminous device in the future First optical channel outgoing；
First spatial light modulator, for being modulated along the light of the first optical channel outgoing described beam splitting system；
Second space photomodulator, for adjusting along at least part of light of the second optical channel outgoing described beam splitting system System.
The embodiment of the present invention also provides for a kind of optical projection system, including above-mentioned light-source system.
Compared with prior art, the present invention includes following beneficial effect:
First smooth light splitting is become the first range of wavelength light and the second range of wavelength light, and these two range of wavelength by the present invention Light and at least part of light sequential outgoing of the second light, so, certain period outgoing two light beams, another period outgoing is a branch of Light beam, so that can use two spatial light modulators to be modulated three light beams；And the present invention can use to be had The Stimulated Light light splitting that the material for transformation of wave length of high light conversion efficiency produces becomes another two to have the wavelength of relatively low light conversion efficiency The color of light of transition material, to improve the efficiency of light source.
Accompanying drawing explanation
Fig. 1 is the yellow spectrum that yellow fluorescent powder produces.
Fig. 2 is the schematic diagram of an embodiment of the light-source system of the present invention；
Fig. 3 A is a kind of embodiment of the sequential chart of wavelength conversion layer 203 emergent light；
Fig. 3 B and Fig. 3 C is respectively DMD 211 and DMD 213 and different color light is modulated a kind of embodiment of time diagram；
Fig. 4 is another embodiment that HONGGUANG is modulated time diagram by DMD 213；
Fig. 5 is the schematic diagram of another embodiment of the light-source system of the present invention；
Fig. 6 is the schematic diagram of another embodiment of the light-source system of the present invention；
Fig. 7 is the schematic diagram of another embodiment of the light-source system of the present invention；
Fig. 8 is the front view of an embodiment of colour wheel 703 in Fig. 7；
Fig. 9 is the front view of another embodiment of the first light-dividing device 609 in Fig. 6；
Figure 10 is the schematic diagram of another embodiment of the light-source system of the present invention；
Figure 11 is the schematic diagram of a kind of light-source structure that wavelength conversion layer and the first light-dividing device are fixed connection；
Figure 12 is the schematic diagram of another embodiment of the light-source system of the present invention；
Figure 13 A is wavelength conversion layer 1203 outgoing blue light and the sequential chart of gold-tinted；
Figure 13 B and Figure 13 C is respectively DMD1211 and the DMD1213 modulation time diagram to different color light；
Figure 14 is the schematic diagram of the illuminating source of another embodiment of the light-source system of the present invention；
Figure 15 is the structural representation of the illuminating source group in the embodiment shown in Figure 14；
Figure 16 is the schematic diagram of the another embodiment of the light-source system of the present invention；
Figure 17 A is the color sequential chart of the light-source system emergent light shown in Figure 16；
Figure 17 B and Figure 17 C is respectively DMD1611 and the DMD1613 modulation time diagram to different color light；
Figure 18 is the schematic diagram of the another embodiment of the light-source system of the present invention；
Figure 19 is an embodiment of the front view of the filtering apparatus in the light-source system shown in Figure 18；
Figure 20 is lighting timings figure and the modulation timing figure of two DMD of two light sources of the light-source system shown in Figure 18；
Figure 21 is another embodiment of the front view of the filtering apparatus in the light-source system shown in Figure 18；
Figure 22 is the schematic diagram of the another embodiment of the light-source system of the present invention；
Figure 23 is the front view of the filtering apparatus in the light-source system shown in Figure 22；
Figure 24 is the schematic diagram of the illuminating source of another embodiment of the light-source system of the present invention；
Figure 25 is lighting timings figure and the modulation timing figure of two DMD of three light sources of the light-source system shown in Figure 24；
Figure 26 is the schematic diagram of the illuminating source of another embodiment of the light-source system of the present invention；
Figure 27 is lighting timings figure and the modulation timing figure of two DMD of four light sources of the light-source system shown in Figure 26；
Figure 28 is the schematic diagram of the illuminating source of another embodiment of the light-source system of the present invention；
Figure 29 is an embodiment of the front view of the wavelength conversion layer in the light-source system shown in Figure 28；
Figure 30 is a kind of work schedule of the light-source system shown in Figure 28；
Figure 31 is the schematic diagram of the illuminating source of another embodiment of the light-source system of the present invention；
Figure 32 is the structural representation of an embodiment of the light-source system of the present invention；
Figure 33 is the structural representation of another embodiment of the light-source system of the present invention.
Detailed description of the invention
The invention thinking of the present invention includes: by light-emitting device sequentially outgoing the first light and the second light, pass through beam splitting system First light is divided into the two bundle different wavelength range light along different propagated, so, in the outgoing two respectively of a certain period not Co-wavelength scope light is adjusted to two spatial light modulators, at least part of light of another period outgoing the second light to the two spatial light In device processed one, is modulated so that can not share the same light three beams by two spatial light modulators；At the same time it can also be by inciting somebody to action There is the yellow Stimulated Light light splitting produced that is stimulated of the yellow fluorescent powder of higher light conversion efficiency and become HONGGUANG and green glow, thus keep away The red light fluorescent powder exempting to use light conversion efficiency relatively low produces HONGGUANG, to improve the efficiency of light-source system.
As it is shown in figure 1, Fig. 1 is an object lesson of the yellow spectrum that yellow fluorescent powder produces.As can be seen from Figure, fluorescence The spectrum of the gold-tinted that powder produces is wider, covers the spectrum of green glow and the spectrum of HONGGUANG.Therefore, gold-tinted light splitting can be become green glow And HONGGUANG.For ease of describing, the spectrum of below-mentioned gold-tinted all covers red color light component and green color components, and gold-tinted can be through filter Electro-optical device light splitting becomes the HONGGUANG along different propagated and green glow.
With embodiment, the embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment one
Refer to the schematic diagram of an embodiment that Fig. 2, Fig. 2 are the light-source systems of the present invention.The light source system of this embodiment System 200 includes light-emitting device 1, beam splitting system the 2, first spatial light modulator 211 and second space photomodulator 213.
Light-emitting device 1 includes for producing the excitation source 201 of exciting light, wavelength conversion layer 203 and the first driving means 205.Wavelength conversion layer 203 includes the first subregion and the second subregion, and this first subregion is provided with first wave length transition material, uses In absorbing exciting light outgoing the first light；Being provided with transparent area on this second subregion, for transmission exciting light, this exciting light is Two light.In the present embodiment, excitation source 201 is used for producing blue excitation light.Excitation source 201 is preferably LASER Light Source, also Can be LED or other solid state light emitters.It is provided with yellow fluorescent powder on the first subregion on wavelength conversion layer 203, is used for inhaling Receiving exciting light and produce yellow Stimulated Light, this is the first light；Being transparent area on second subregion, for transmission blue light, this is second Light.Wavelength conversion layer 203 is in the form of annular discs, and the different subregions on wavelength conversion layer are circumferentially distributed along this this disk.
First driving means 205 is used for driving wavelength conversion layer 203 so that exciting light is formed on wavelength conversion layer 203 Hot spot act on wavelength conversion layer 203 by predefined paths, so that this exciting light is sequentially radiated at the first subregion and the second subregion On, so that the first light and the sequentially outgoing of the second light.In the present embodiment, the first driving means 205 is motor, is used for driving wavelength Conversion layer 203 periodic rotary.
Beam splitting system 2 is divided into along the first optical channel and the second optical channel outgoing for the first light of selfluminous device 1 in the future The first range of wavelength light and the second range of wavelength light；It is additionally operable at least part of light edge of the second light of selfluminous device 1 in the future First optical channel outgoing.First spatial light modulator 211 is for adjusting along the light of the first optical channel outgoing beam splitting system 2 System.Second space photomodulator 213 is for being modulated along at least part of light of the second optical channel outgoing beam splitting system 2.Warp The light of the first spatial light modulator 211 and second space photomodulator 213 modulation carries out closing light and entering view field.
In the present embodiment, gold-tinted light splitting is become green glow by beam splitting system 2, the i.e. first range of wavelength light, and HONGGUANG, and i.e. second Range of wavelength light.Clear for describing, in following citing, when the first smooth gold-tinted light splitting becomes green glow and HONGGUANG, wherein the first scope Wavelength light and the second range of wavelength light are green glow and HONGGUANG the most respectively, these two kinds of scope light simply relative concept, first Range of wavelength light and the second range of wavelength light can also be HONGGUANG and green glow respectively.
First spatial light modulator 211 is used for being modulated blue light and the green glow of sequential, second space photomodulator 213 For HONGGUANG is modulated.Owing to the conversion efficiency of yellow fluorescent powder is higher, and blue light is directly produced by luminescent device, therefore Excite yellow fluorescent powder with blue light and produce three primary colours and make the efficiency of light source higher.
For concrete example, beam splitting system 2 includes TIR (Total Internal Reflection, total internal reflection) prism The combination of 207 and 209.These two prisms are triangulo column, and wherein the side of the first prism 207 is 207a, 207b and 207c, the The side of two prisms 209 is 209a, 209b and 209c；The wherein side 207c of the first prism 207 and the side of the second prism 209 209c connects.
The Stimulated Light 23 of wavelength conversion layer 203 outgoing enters this prism from the side 207b of the first prism 207, and in side Being totally reflected on 207a, after the 207c transmission of side, the side 209c from the second prism 209 is transmitted into the second prism 209 also Arrive on the 209a of side.Side 209a is coated surface, and it is coated with filter coating, this filter coating transmission HONGGUANG, and reflect blue light and Green glow.Blue light and green glow that sequential produces are totally reflected again after coated surface 209a reflects on the 209c of side, and in side The upper transmission of 209b is to enter the first spatial light modulator 211 from the first optical channel.Blue light after being modulated and green glow are with another angle The incident side 209b of degree transmission, and be totally reflected on the 209c of side, then from side after coated surface 209a reflects 209c transmission is also gone out from the first prism 207 transmission.And HONGGUANG enters second from the second optical channel after coated surface 209a transmission Spatial light modulator 213.HONGGUANG after being modulated is successively from the second prism 209 and the first prism 207 transmission, after being modulated Green glow is combined into light beam.
Spatial light modulator can be DMD, it is also possible to be the other kinds of spatial light modulators such as liquid crystal.For convenience of saying Bright, the most all use DMD as an example.
As shown in Figure 3A, Fig. 3 A is a kind of embodiment of sequential chart of wavelength conversion layer 203 emergent light.At the present embodiment In, the first subregion on wavelength conversion layer 203 accounts for 270 degree, and the second subregion accounts for 90 degree.From the second subregion of wavelength conversion layer 203 The input path initially entering exciting light starts, within the cycle T time that wavelength conversion layer 203 rotates, and the work of light-source system Make process as follows.In front 0.25T, wavelength conversion layer 203 outgoing blue light, in rear 0.75T, wavelength conversion layer 203 outgoing is yellow Light.Accordingly, in front 0.25T, DMD 211 is used for modulating blue light, and DMD 213 is not used for modulating light beam.DMD in rear 0.75T 211 are used for modulating green glow, and DMD 213 is used for modulating HONGGUANG.As shown in Fig. 3 B and Fig. 3 C, Fig. 3 B and Fig. 3 C is respectively DMD 211 With a kind of embodiment that different color light is modulated time diagram by DMD 213.In this case, in each cycle T HONGGUANG and Green glow is utilized the most entirely so that the utilization of light source is the most efficient.But, this is not likely to be practical situation, because this may cause this The chromaticity coordinates of the white light that three primary colours light mixes and predetermined color coordinate have deviation.In practice, can be somebody's turn to do by utilizing The length that different colours light is modulated the time by two DMD makes up to satisfaction to the chromaticity coordinates controlling white light.Such as, in this reality Executing in example, if the chromaticity coordinates that HONGGUANG too much causes white light is the reddest, then the modulation time that can control DMD 213 shortens, and makes Obtaining the HONGGUANG in certain period of time is invalid light.As shown in Figure 4, Fig. 4 is that HONGGUANG is modulated the another of time diagram by DMD 213 Plant embodiment.In the diagram, in each cycle T, the hindfoot portion of HONGGUANG is rejected.In practice, it is also possible to by HONGGUANG Leading portion give up, or one end of centre or several sections are given up, and this all will be appreciated that.
First subregion more than it addition, and the simply citing of the ratio shared by the second subregion, be not limiting as its actual ratio.In reality During border uses, the first subregion and the proportion of the second subregion can be determined according to actual needs.
In the present embodiment, light-emitting device sequentially outgoing the first light and the second light, and by beam splitting system, the first light is divided Become the two bundle different wavelength range light along different propagated, so, in two different wavelength range of outgoing respectively of a certain period Light is to two spatial light modulators, at least part of light of another period outgoing the second light to the two spatial light modulator Individual, it is modulated so that by two spatial light modulators three beams can not shared the same light.
In practice, the optical filtering curve on the coated surface 209a in TIR prism 209 in beam splitting system 2 can also Being transmission green glow and blue light, and reflect HONGGUANG, in this case, DMD 211 is used for modulating HONGGUANG, and DMD 213 is used for modulating Green glow and blue light；Or the optical filtering curve on coated surface 209a changes transmission green glow into, and reflects HONGGUANG and blue light；Then DMD 211 For modulating HONGGUANG and blue light, DMD 213 is used for modulating green glow.Practice can design coated surface according to actual needs The optical filtering curve of 209a.
Above Stimulated Light light path row illustrated example the most for convenience of description in these two pieces of TIR prism, is not limiting as TIR Other usages of prism.
In the above embodiments, use two pieces of prisms to realize green color components and the light splitting of red color light component in gold-tinted simultaneously And the conjunction light of the light beam after two spatial light modulator modulation.In practice, it is possible to use light splitting optical filter comes Gold-tinted is carried out light splitting, and the light beam after the light path rear end of two DMD uses optical filter to modulate it carries out closing light.
Embodiment two
As it is shown in figure 5, Fig. 5 is the schematic diagram of another embodiment of the light-source system of the present invention.In the present embodiment, light source System 500 includes light-emitting device 1, beam splitting system the 2, first spatial light modulator 511 and second space photomodulator 513.Luminous Device 1 includes excitation source 501, wavelength conversion layer 503 and the first driving means 505.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 2:
Beam splitting system 2 includes optical filter 509 and reflecting mirror 507.Optical filter 509 is used for receiving wavelength conversion layer 503 sequentially Green glow 53a in the gold-tinted 53 of outgoing and blue light 55, and transmission blue light 55 and gold-tinted 53 from the first optical channel outgoing to DMD511, And reflection gold-tinted 53 in HONGGUANG 53b to reflecting mirror 507, reflecting mirror 507 reflect HONGGUANG 53b from the second optical channel outgoing to DMD513。
Preferably, light-source system 500 also includes the optical filter being respectively arranged on the emitting light path of DMD511 Yu DMD513 515 with reflecting mirror 517.Reflecting mirror 517 for by the blue light of the sequential after DMD511 modulates and green reflection to optical filter 515.Optical filter 515 for reflection from the blue light of reflecting mirror 517 and green glow transmission from the HONGGUANG of DMD513, with by DMD 511 and DMD 513 light beams modulating outgoing are combined into light beam.It is understood that in other embodiments, can be by arranging The rising angle of DMD 511 and DMD 513 so that the two-beam of DMD511 Yu DMD513 outgoing respectively converges as light beam；This Outward, in some application scenario, it is also possible to need not converge the two-beam of DMD511 Yu DMD513 outgoing respectively is light beam, Therefore reflecting mirror 517 is dispensed with optical filter 515.
Embodiment three
Refer to the schematic diagram of another embodiment that Fig. 6, Fig. 6 are the light-source systems of the present invention.In the present embodiment, light source System 600 includes light-emitting device 1, beam splitting system the 2, first spatial light modulator 611 and second space photomodulator 613.Luminous Device 1 includes excitation source 601, wavelength conversion layer 603 and the first driving means 605.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 5:
Beam splitting system 2 includes the first light-dividing device the 609, second driving means 607 and first control device (not shown).For Improving the utilization rate of the emergent light of light-emitting device 1, light-source system 600 also includes being arranged between light-emitting device 1 and beam splitting system 2 Light path on collecting lens 615, for collecting gold-tinted 63 and the blue light 65 of light-emitting device sequentially outgoing, and in the light that will collect Continue to the first light-dividing device 609.First light-dividing device 609 is in the form of annular discs, and is circumferentially divided into the first section and the second section.The Two driving means 607 rotate for driving the first light-dividing device so that the first section and the second section are sequentially in light-emitting device 1 Emitting light path on.First control device controls the first driving means 605 and rotation of the second driving means 607 so that first Light-dividing device 609 and wavelength conversion layer 603 synchronous axial system, so that the first section is positioned at the first light, the i.e. emitting light path of gold-tinted 63 On, the second section is positioned on the second light, the i.e. emitting light path of blue light 65.
The green glow in the transmission gold-tinted 63 of the first section on first light-dividing device 609 from the second optical channel outgoing to DMD 613 also reflects the HONGGUANG in gold-tinted 63 from the first optical channel outgoing to DMD 611, the second section be used for reflecting blue light 65 from First optical channel outgoing is to DMD 611.Certainly, the first section reflection HONGGUANG transmission green glow can also be made in practice； Or, the second section can also transmissive portion blue light reflecting part blue light, wherein this transmission and reflection this two bundle blue light can To be modulated by DMD 611 and DMD 613 respectively, it is also possible to only modulate this two bundle in the most a branch of.
Embodiment four
Refer to the schematic diagram of another embodiment that Fig. 7, Fig. 7 are the light-source systems of the present invention.
In the present embodiment, light-source system 700 include light-emitting device 1, beam splitting system the 2, first spatial light modulator 711 with Second space photomodulator 713.Light-emitting device 1 includes excitation source 701, wavelength conversion layer 703B and the first driving means 705. Beam splitting system 2 includes the first light-dividing device 703A and light directing arrangement 3.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 6:
In the present embodiment, wavelength conversion layer 703B and the first light-dividing device 703A is fixing to be connected, and is co-located on colour wheel On 703.As shown in Figure 8, the front view of an embodiment of colour wheel 703 during Fig. 8 is Fig. 7.Two it are provided with one heart on colour wheel 703 Arranging and mutually nested circle ring area 703A and 703B, wherein annulus 703A is light splitting district, the i.e. first light-dividing device；Annulus 703B is wavelength-converting region, i.e. wavelength conversion layer.Light splitting district 703A includes the first section S1, for transmission green glow to the first light Passage outgoing, and reflect HONGGUANG to the second optical channel outgoing；Light splitting district 703A also includes the second section S2, for transmission blue light extremely First optical channel outgoing.Wavelength-converting region 703B includes the first subregion W1, is provided with yellow wavelengths transition material, is used for producing Huang Color Stimulated Light, this subregion is 180 degree of settings with the first section S1 in light splitting district 703A relative to this ring-type center；Also include second Subregion W2, is provided with transparent area, and for transmission blue light, this subregion is ring-type relative to this with the second section S2 in light splitting district 703A Center is 180 degree of settings.First driving means 705 is used for driving colour wheel 703 to rotate so that the first subregion W1 and the second subregion W2 Sequentially it is positioned on the emitting light path of light-emitting device 1.
Light directing arrangement 3 is for by the first subregion W1 on wavelength conversion layer 703B and the sequential light of the second subregion W2 outgoing On the first section S1 being separately directed on the first light-dividing device 703A and the second section S2.Specific explanations is as follows.
In the present embodiment, light directing arrangement 3 includes lens 707, reflecting mirror 709 and 715.One rotated at colour wheel 703 In individual cycle T, within the front t1 time, the exciting light 71 that excitation source 701 produces incides first on the 703B of wavelength-converting region Subregion W1 outgoing gold-tinted, emergent light 73 is from the side outgoing of wavelength-converting region 703B exciting light dorsad, and collects through lens 707 After successively by reflecting mirror 709 and 715 reflection and with on 45 degree of first section S1 being incident on light splitting district 703A, green in gold-tinted Light component and red color light component are respectively through the first section S1 transmission and reflection and respectively along the first optical channel outgoing to DMD 711 and edge Second optical channel outgoing is to DMD713.
In the rear t2 time, exciting light 71 incides the second subregion W2 outgoing blue light, guides through light directing arrangement 3 with 45 degree Angle is incident on the second section S2, is incident to DMD 711 from the second optical channel after transmission.Exciting light 71 is on light splitting district 703A The line of the hot spot A formed and the hot spot B formed on the 703B of wavelength-converting region is through the ring heart.Certainly, in practice, go out Penetrating light 73 to enter the angle of incidence of light splitting district 703A and may not be 45 degree but other angles more than 0, these can be according to actual need Design.
So, comparing the light-source system shown in Fig. 6, wavelength conversion layer and the first light-dividing device can be with synchronous axial system, and these are two years old The synchronicity of person is more preferable, and need not control device and synchronize to control it, reduces cost and light source volume.
Embodiment five
Referring to Fig. 9, Fig. 9 is the front view of another embodiment of the first light-dividing device 609 in Fig. 6.Shown in Fig. 6 Unlike light-source system, the first light-dividing device 609 in the present embodiment includes three sections.First section R1 is red for transmission Light is to the first optical channel outgoing, and reflects green glow to the second optical channel outgoing.Second section R2 is used for transmission green glow to the first light Passage outgoing, and reflect HONGGUANG to the second optical channel outgoing.3rd section for transmissive portion blue light to the first optical channel outgoing, And reflecting part blue light is to the second optical channel outgoing.
Accordingly, first control device is for controlling the first light-dividing device 609 so that the first section R1 and the second section R2 is positioned on the emitting light path of the first light, on the emitting light path being positioned at the second light of the 3rd section R3.Specifically, yellow in outgoing In the T of light, in forward part time t1, the first section R1 is positioned on the emitting light path of gold-tinted, the second section R2 in rear section time t2 Being positioned on the emitting light path of gold-tinted, when outgoing blue light, the 3rd section R3 is positioned on the emitting light path of blue light.
In the present embodiment, rotate at wavelength conversion layer 603 and produce Y (yellow, yellow), B (blue, blue) sequence light In one cycle, DMD 611 is sequentially received G (green, green), R (red, red), B sequence light, DMD 613 be sequentially received R, G, B sequence light.Therefore, comparing various embodiments above, in the present embodiment, two DMD can be respectively received three primary colours sequence light, And then each DMD can one image of each automodulation, and when section in office, two DMD, all in duty, compare above Embodiment can utilize DMD more fully.
It is easily understood that the present embodiment can also connect fixing to wavelength conversion layer and the first light-dividing device.Relatively In light-source system shown in Ying Di, Fig. 7, the first section S1 in the light splitting district on colour wheel 703 need to be divided into the first sub-district and second Sub-district, wherein the first sub-district is for transmission HONGGUANG to the first optical channel outgoing to DMD 711, and reflects green glow to the second optical channel Outgoing is to DMD 713；HONGGUANG to the first optical channel outgoing to DMD 713, and is reflected to second for transmission green glow in second sub-district Optical channel outgoing is to DMD 711.
Embodiment six
Light-source system shown in Fig. 7 is the knot that connection fixed by wavelength conversion layer and the first light-dividing device by one of which Structure, also has other light channel structures many in practice.Refer to another of light-source system that Figure 10, Figure 10 are the present invention The schematic diagram of embodiment.In the present embodiment, light-source system 1000 includes that light-emitting device 1, beam splitting system the 2, first spatial light are adjusted Device 1011 processed and second space photomodulator 1013.Light-emitting device 1 includes excitation source 1001, wavelength conversion layer 1003B and One driving means 1005.Beam splitting system 2 includes the first light-dividing device 1003A and light directing arrangement 3.Wavelength conversion layer 1003B and First light-dividing device 1003A is fixing to be connected, and is co-located on colour wheel 1003.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 7:
Wavelength-converting region 1003B is set to reflective, i.e. the light path of the incident illumination of wavelength-converting region 1003B and emergent light Light path be positioned at its same side.And the first section S1 on the first subregion W1 on the 1003B of wavelength-converting region and light splitting district 1003A In 0 degree of setting, the second section S2 on the second subregion W2 and light splitting district 1003A is 0 degree of setting, i.e. light splitting region and corresponding Wavelength conversion region be disposed adjacent.
Light directing arrangement 3 includes the reflecting mirror 1007 with through hole, collecting lens 1009 and 1015.
In the present embodiment, excitation source 1001 is LASER Light Source, is used for producing blue laser 101.Reflecting mirror 1007 sets Put on the emitting light path of blue laser 101.Owing to the etendue amount of laser is smaller, and the etendue amount of Stimulated Light is relatively Greatly so that blue laser 101 passes from this through hole and enters into the 1003B of wavelength-converting region after collecting lens 1009, ripple The sequence light of long switch region 1003B outgoing major part after collecting lens 1009 is collected is reflexed to light splitting district by reflecting mirror 1007 1003A.The hot spot wherein formed on light splitting district 1003A is positioned on colour wheel 1003 with the hot spot of formation on the 1003B of wavelength-converting region Same radius on.Comparing the light-source system shown in Fig. 7, the light path of the light-source system in the present embodiment is compacter.
Embodiment seven
Referring to Figure 11, Figure 11 is the another kind of light-source structure that wavelength conversion layer and the first light-dividing device are fixed connection Schematic diagram.In the present embodiment, light-source system 1100 include light-emitting device, beam splitting system the 2, first spatial light modulator 1111 with Second space photomodulator 1113.Light-emitting device includes excitation source 1101, wavelength conversion layer 1103B and the first driving means 1105.Beam splitting system 2 includes the first light-dividing device 1103A and light directing arrangement 3.Wavelength conversion layer 1103B and the first light splitting dress Put the fixing connection of 1103A, be co-located on colour wheel 1003.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 10:
Wavelength-converting region 1103A and light splitting district 1103B is not mutually nested two circle ring areas.In colour wheel 1103 Heart region is provided with a round platform 1103C, and wavelength conversion layer district 1103B is arranged on the side of this round platform 1103C, and light splitting district 1103A is arranged on a circle ring area of colour wheel 1103.Blue laser 111 is sequentially through through hole and the collection of reflecting mirror 1107 After lens 1109, incide on one of them section on the 1103B of wavelength-converting region.And the sequence of wavelength-converting region 1103B outgoing Row light 113 major part after collecting lens 1109 is collected is reflexed on light splitting district 1103A and wavelength-converting region by reflecting mirror 1107 The subregion that the section at 1103B upper hot spot place is corresponding.
Compare the light-source system shown in Figure 10, the present embodiment is separated by with light splitting district 1103A due to wavelength-converting region 1103B Farther out, the angle being reflected between the sequence light 113 after mirror 1107 reflects front and reflection is relatively big, is easier to separately light path.
In the embodiment above, the second subregion on wavelength conversion layer can also be provided with second wave length transition material, uses In absorbing exciting light outgoing the second light.For concrete example, excitation source is used for producing UV light.First point of wavelength conversion layer It is provided with yellow fluorescent powder in district, is used for absorbing UV light and producing gold-tinted；It is provided with blue colour fluorescent powder on second subregion, is used for inhaling Receiving UV light and produce blue light, this blue light is the second light.
Embodiment eight
The schematic diagram of the light-source system of the present embodiment is essentially the same with the schematic diagram of the light-source system in above example, no With, the second light is also divided into respectively along the of the first optical channel and the second optical channel outgoing by beam splitting system in the present embodiment Three range of wavelength light and the 4th range of wavelength light, then the first spatial light modulator is for the first light along the first optical channel outgoing The first range of wavelength light and the 3rd range of wavelength light of the second light be modulated, and second space photomodulator is for along the Second range of wavelength light of the first light of two optical channel outgoing is modulated, or is additionally operable to along the of the second optical channel outgoing 4th range of wavelength light of two light is modulated.
With Fig. 5 for example, excitation source 501 is used for producing UV light.It is provided with on first subregion of wavelength conversion layer 503 Yellow fluorescent powder, is used for absorbing UV light and producing gold-tinted；It is provided with blue colour fluorescent powder on second subregion, is used for absorbing UV light and producing Raw blue light, this blue light is the second light.Owing to the spectrum of the blue light of blue colour fluorescent powder generation is wider, cover the part of green spectrum Scope.The the second light i.e. blue light light splitting that optical filter 509 in beam splitting system is simultaneously set to the second subregion produces becomes the 3rd model Enclose wavelength light and the 4th range of wavelength light, the i.e. second blue light and the second green glow.So, the second blue light of generation and the second green glow Spectrum is narrower, and excitation is higher.
Accordingly, when the blue Stimulated Light light splitting that the second subregion produces is become the second blue light and the second green glow, at Fig. 2 In the beam splitting system of shown light-source system, the coated surface 209a in the second prism 209 can be simultaneously set to reflection blue and be subject to Blue light ingredient in laser transmission green color components, or transmission blue light ingredient reflect green color components.At the light source shown in Fig. 5 In the beam splitting system of system, the second blue light in reflection blue Stimulated Light transmission second while of optical filter 509 can being set to Green glow, or transmission the second blue light reflect the second green glow.In above description, it is for light splitting smooth to the first light and second Same light-dividing device in beam splitting system.
In practice, the first light and the second light can also be divided respectively by beam splitting system respectively with two light-dividing devices Light.As shown in figure 12, Figure 12 is the schematic diagram of another embodiment of light-source system of the present invention.In the present embodiment, light source system System 1200 includes light-emitting device 1, beam splitting system the 2, first spatial light modulator 1211 and second space photomodulator 1213.Luminous Device 1 includes excitation source 1201, wavelength conversion layer 1203 and the first driving means 1205.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 5:
Beam splitting system 2 includes optical filter 1221,1209 and 1207, also includes reflecting mirror 1219.Optical filter 1221 is positioned to be sent out In the light path of electro-optical device 1 outgoing sequential light, in the second blue light 65b in reflection blue Stimulated Light transmitting blue Stimulated Light The second green glow 65a and yellow Stimulated Light 63.
Optical filter 1209 is positioned on the emitting light path of optical filter 1221 transmitted light beam, in transmitting blue Stimulated Light The first green glow 63a in two green glow 65a and yellow Stimulated Light 63 also reflects HONGGUANG 63b in yellow Stimulated Light 63.Therefore, warp The second green glow 65a and the first green glow 63a of optical filter 1209 transmission is along the first optical channel outgoing to DMD 1211.Filtered HONGGUANG 63b the most filtered 1207 reflection tailing edge the second optical channel outgoing of 1209 reflections to DMD1213, and filtered 1221 Second blue light 65b of reflection is respectively through reflecting mirror 1219 reflection with optical filter 1207 transmission tailing edge the second optical channel outgoing extremely DMD 1213。
When the second blue light 65b obtained after blue light 65 light splitting and the second green glow 65a is used to modulation, due to two DMD Color for modulation increases so that the colour gamut that two DMD can modulate is bigger.Accordingly, wavelength conversion layer 1203 He DMD1211,1213 working timing figure as shown in figure 13.Figure 13 A is wavelength conversion layer 1203 outgoing blue light and the sequential of gold-tinted Figure.Within the cycle T time that wavelength conversion layer 1203 rotates, in front 0.25T, wavelength conversion layer 1203 outgoing blue light, In rear 0.75T, wavelength conversion layer 1203 outgoing gold-tinted.As shown in Figure 13 B and Figure 13 C, Figure 13 B and Figure 13 C is respectively DMD1211 With the DMD1213 modulation time diagram to different color light.Accordingly, in front 0.25T, DMD1211 is for modulation the second green glow, DMD 1213 for modulation the second blue light.In rear 0.75T, DMD 1211 is for modulation the first green glow, and DMD 1213 is used for modulating HONGGUANG.
It is easily understood that the second green glow can also be not used in modulation, if the DMD 1211 when it enters DMD 1211 Do not work, this part light can not be modulated.
Above example is all the difference utilizing optical wavelength, use optical filter or filter coating light beam is carried out transmission and Reflection carries out light splitting or closes light.And the light in some light path is transmitted on a light splitting optical filter or is reflected, Can be arbitrarily devised.Therefore, in all embodiments of the invention, in each light path, different wavelength range light passes through optical filter Or the concrete optical texture of filter coating, it is provided to conveniently illustrate and row illustrated example, is not limiting as using other utilization Light splitting optical filter or filter coating carry out light path merging or the optical texture of light beam light splitting.
In the present embodiment, wavelength conversion layer 1203 can also arrange multiple subregion, be wherein provided with on different subregions Different wave length transition material or transparent area.And the light beam of outgoing is split into two kinds of different wave length models at least one subregion The light enclosed is so that this two kinds of different wavelength range light respectively enter in two spatial light modulators and are modulated.
In the present embodiment, the first subregion and the second subregion can also arrange the wavelength convert material producing other color of light Material, does not limit to above-mentioned yellow fluorescent powder and blue colour fluorescent powder.Material for transformation of wave length is also it is also possible that quantum dot, fluorescent dye Etc. the material with wavelength conversion capability, however it is not limited to fluorescent material.
Embodiment nine
Refer to the schematic diagram of illuminating source of another embodiment that Figure 14, Figure 14 are the light-source systems of the present invention.With Unlike above example, in above example, light-emitting device 1 produces sequential light by colour wheel, and luminous in the present embodiment Device 1 reflects different colours light outgoing that LED lamp panel sends to produce sequential light successively by the reflecting mirror rotated, and compares reality Execute example one, the present embodiment uses reflecting mirror can control cost.
Specifically, light-emitting device 1 includes illuminating source group the 1401, first reflection unit the 1405, second reflection unit 1403 and the second driving means (not shown).
Illuminating source group 1401 includes the first luminescent device (in the present embodiment for yellow fluorescent powder LED 1401a) and the Two luminescent devices (being blue-ray LED 1401b in the present embodiment), wherein fluorescent material LED refers to fluorescent material is coated in LED chip Surface, the light utilizing LED to send carrys out excitated fluorescent powder and sends fluorescence.Common yellow fluorescent powder LED refers to yellow fluorescence Powder is coated on blue-light LED chip surface, and the blue light launched by blue-ray LED excites generation sodium yellow.Yellow light LED 1401a It is distributed in the form of a ring with blue-ray LED 1401b, and yellow light LED 1401a is the most parallel with the direction of blue-ray LED 1401b emergent light In the central shaft crossing this ring-type center of circle.
Second reflection unit, is a rotation mirror 1403 in the present embodiment, and it includes reflecting surface, is arranged at illuminating source group The side of the emergent light of 1401, and between the first luminescent device 1401a and the second luminescent device 1401b.
First reflection unit 1405 includes two reflecting elements, is reflecting mirror in the present embodiment, lays respectively at first On the emitting light path of luminescent device 1401a and the second luminescent device 1401b, for the emergent light of different luminescent devices is reflexed to Second reflection unit 1403.
Second driving means drives the second reflection unit 1403 to move so that reflecting surface is sequentially placed into the first reflection unit On the emitting light path of two reflecting elements of 1405, reflect outgoing successively with the light sent by first, second luminescent device.
In practice, illuminating source group 1401 can also include multiple light-emitting element array, is in the present embodiment LED array.Accordingly, reflection unit group 1405 includes multiple reflecting mirror, is respectively placed in multiple luminescent devices in light source 1401 On the emitting light path of array.
As shown in figure 15, the structural representation of the illuminating source group 1401 during Figure 15 is the present embodiment.Illuminating source group Each LED in 1401 is arranged on to rotate on the mirror 1403 disk as the center of circle, and circumferentially arranges around rotating mirror 1403, and with Radially in array distribution centered by rotation mirror 1403.In array distribution radially, for sending same color in LED array The LED of light, circumferentially in arrangement, yellow fluorescent powder LED 1401a and blue-ray LED 14101b is alternately distributed.
Embodiment ten
Refer to the schematic diagram of another embodiment that Figure 16, Figure 16 are the light-source systems of the present invention.Light-source system 1600 wraps Include light-emitting device 1, beam splitting system the 2, first spatial light modulator 1611 and second space photomodulator 1613.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 5:
Light-emitting device 1 includes the first luminescent device, the second luminescent device and first control device (not shown), wherein first Luminescent device is for producing the first light, and the second luminescent device is for producing the second light；First control device is at least partly First luminescent device and the second luminescent device are alternately lighted by the period, with the first light and second light of outgoing sequential.
Specifically, the first luminescent device is yellow light LED 11a, and the second luminescent device is blue-ray LED 11b, is respectively used to Produce gold-tinted and blue light.First control device, for controlling the open and close of the luminescent device of different colours respectively, makes blue light LED11b and yellow light LED 11a alternately lights, to produce gold-tinted and the blue light of sequential.
In the present embodiment, yellow light LED 11a and blue-ray LED 11b can be controlled simultaneously at a certain period first control device Light.Green glow owing to obtaining after blue light and gold-tinted light splitting is all modulated in DMD 1611, then at yellow light LED 11a and In this time period that blue-ray LED 11b lights simultaneously, DMD1611 is for adjusting the conjunction light i.e. cyan light of blue light and green glow System, does not the most affect for DMD 1613.In this time period, due to the mixing of two kinds of light so that DMD 1611 can adjust The many a kind of colors of system so that the colour gamut that this DMD 1611 can modulate is bigger.
As shown in Figure 17 A, Figure 17 A is the color sequential chart of light-source system 1600 emergent light.In a cycle T, at t1 In time, light blue-ray LED, then light-emitting device 1 outgoing blue light；Within the t2 time, light yellow light LED, then light-emitting device 1 outgoing Gold-tinted；Within the t3 time, light blue-ray LED and yellow light LED, then the conjunction light of these two kinds of light of light-emitting device 1 outgoing, the most simultaneously Light.As shown in Figure 17 B and Figure 17 C, Figure 17 B and Figure 17 C is respectively DMD1611 and the DMD1613 modulation time to different color light Figure.Accordingly, in the t1 time, DMD 1611 is used for modulating blue light, and DMD1613 does not works；In the t2 time, DMD1611 is used for adjusting Green glow processed, DMD1613 is used for modulating HONGGUANG；In the t3 time, DMD1611 is used for modulating green light, and DMD1613 is used for modulating HONGGUANG.
It can however not make these two kinds of color of light light always simultaneously, due to only two DMD in this light-source system, wherein One DMD is for modulating blue light and green glow respectively in the different periods.If yellow light LED 11a and blue-ray LED 11b is always maintained at Light simultaneously, then cause there is no blue light and green glow both monochromatic light images, and the image of only cyan light.
If it is easily understood that the optical filter 1609 in beam splitting system 2 for transmission HONGGUANG and reflects green glow, then blue light All being modulated in DMD 1611 with the HONGGUANG obtained after gold-tinted light splitting, green glow is modulated in DMD 1613.Then at Huang In this time period that light LED11a and blue-ray LED 11b lights simultaneously, this DMD 1611 is for the conjunction light of blue light and HONGGUANG being Purple light is modulated, and does not the most affect for DMD 1613.
Comparing above example, the present embodiment can light the luminescent device of different colours simultaneously so that for the face of modulation Coloured light is more, and then the colour gamut that can modulate is bigger.
Embodiment 11
Refer to the schematic diagram of another embodiment that Figure 18, Figure 18 are the light-source systems of the present invention.In the present embodiment, light source System 1800 includes light-emitting device 1, beam splitting system the 2, first spatial light modulator 1811 and second space photomodulator 1813.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 16:
Beam splitting system 2 includes filtering apparatus 1805, for the second driving means 1806 driving filtering apparatus to move and One controls device (not shown).The first section, the second section and the 3rd section, wherein the first section is included on filtering apparatus 1805 For the first range of wavelength light of transmission the first light to the first optical channel outgoing, and reflect the second range of wavelength light to the second light and lead to Road outgoing；Second section for the first range of wavelength light of reflection the first light to the second optical channel outgoing, and transmission the second scope Wavelength light is to the first optical channel outgoing；3rd section for transmissive portion the second light to the first optical channel outgoing, and reflecting part Second light is to the second optical channel outgoing.First control device is for controlling the second driving means 1806, so that the first section is extremely On the emitting light path being at least partly sequentially located at the first light of small part and the second section, the 3rd section be at least partially disposed at On the emitting light path of two light.
For concrete example, as shown in figure 19, the front view of the filtering apparatus during Figure 19 is the light-source system shown in Figure 18 An embodiment.Filtering apparatus 1805 is in the form of annular discs, and each section thereon is circumferentially distributed on this disk.This optical filtering fills Putting the first section 1805A on 1805 for transmissive portion blue light reflecting part blue light, the second section 1805B is green for transmission Light also reflects HONGGUANG, and the 3rd section 1805C is used for reflecting green glow transmission HONGGUANG.Second driving means 1806 is motor, is used for Drive filtering apparatus 1805 periodic rotary, so that each section is sequentially located on the emitting light path of light-emitting device 1.
As shown in figure 20, Figure 20 is the lighting timings figure of two light sources of the light-source system shown in Figure 18 and two DMD Modulation timing figure.In a modulation period T, within the front t1 time, the first section 1805A of filtering apparatus 1805 is positioned at sequential On the emitting light path of light, then blue light source 1801 is lighted, and yellow light sources 1802 does not works, then two DMD are used for modulating blue light.? In the ensuing t2 time, the second section 1805B of filtering apparatus 1805 is positioned on the emitting light path of sequential light, yellow light sources 1802 light, and blue light source 1801 does not works, then DMD1811 is used for modulating green glow, and DMD1813 is used for modulating HONGGUANG.Under connecing In the t3 time come, the 3rd section 1805C of filtering apparatus 1805 is positioned on the emitting light path of sequential light, yellow light sources 1802 point Bright, blue light source 1801 does not works, then DMD1811 is used for modulating HONGGUANG, and DMD1813 is used for modulating green glow.As such, it is possible to make The three primary colours light of two DMD modulation timings respectively.
Embodiment 12
Refer to another of front view that Figure 21, Figure 21 are filtering apparatus in the light-source system shown in Figure 18 implement Example.
In the present embodiment, filtering apparatus 1805 also includes the 4th section, be used for reflecting blue light transmission gold-tinted, and Unlike the light-source system shown in Figure 18, the first section 1805A is for transmission blue light and reflects gold-tinted；When the first section When 1805A and the 4th section 1805D is positioned on the emitting light path of sequential light, blue light source 1801 and the same time point of yellow light sources 1802 Bright.Accordingly, in a modulation period T, when the first section, the second section, the 3rd section and of filtering apparatus 1805 When four sections are sequentially located at the emitting light path of sequential light, DMD 1811 is sequentially modulated blue and green light, HONGGUANG and gold-tinted, DMD 1813 are sequentially modulated gold-tinted, HONGGUANG, green glow and blue light.In the present embodiment, gold-tinted is added due to the color of modulation so that light The brightness of origin system improves.
In the light-source system shown in Figure 18, use on a blue light source and a yellow light sources correspondence filtering apparatus Different light splitting districts sequential is lighted respectively two DMD and is provided at least three sequential light, the light quilt that wherein this blue light source produces Light splitting becomes two bundle blue lights to these two DMD.In practice, it is also possible to two blue light sources will be used to provide two bundle blue lights to divide Yong Yu two DMD modulation.It is described as follows.
Embodiment 13
Refer to the schematic diagram of another embodiment that Figure 22, Figure 22 are the light-source systems of the present invention.In the present embodiment, light source System 2200 includes light-emitting device, beam splitting system, the first spatial light modulator 2211 and second space photomodulator 2213.Luminous Device includes the first luminescent device 2201A, the second luminescent device the 2202, the 3rd luminescent device 2201B and first control device (figure Do not show).Beam splitting system includes filtering apparatus the 2205, second driving means 2206, optical filter 2203 and 2204.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 18:
Light-emitting device also includes the 3rd luminescent device, produces the 4th light at least part of period at outgoing the second light. In the present embodiment, the 3rd luminescent device is blue light source 2201B.Filtering apparatus 2205 in beam splitting system includes Liang Ge district Section, i.e. the second section on filtering apparatus 1805 in light-source system shown in Figure 18 and the 3rd section.As shown in figure 23, Figure 23 It it is the front view of filtering apparatus 2205 in the light-source system shown in Figure 22.The first section 2205A is included (i.e. on filtering apparatus 2205 The second section on filtering apparatus 1805), for transmission green glow and reflect HONGGUANG；(i.e. filter dress also to include the second section 2205B Put the 3rd section on 1805), for transmission HONGGUANG and reflect green glow.
The gold-tinted (the i.e. first light) that yellow light sources 2202 sends incides on filtering apparatus 2205 at a certain angle, filtered Filtered 2204 transmission tailing edge the first optical channel outgoing of light beam of device 2205 reflection are to DMD 2211；Filtered device 2205 Filtered 2203 transmission tailing edge the second optical channel outgoing of the light beam of transmission are to DMD2213.The light beam that blue light source 2201A sends To DMD 2211 after (the i.e. second light) filtered 2204 reflection tailing edge the first optical channel outgoing.Blue light source 2201B sends Light beam (the i.e. the 4th light) filtered 2203 reflection tailing edge the second optical channel outgoing is to DMD 2213.
In a modulation period T, within the front t1 time, first control device closes yellow light sources 2202, and same time point Light blue radiant 2201A and 2201B, DMD2211 and 2213 are used to modulate blue light.Within the rear t2 time, first control device Lighting yellow light sources 2202 and close blue light source 2201A and 2201B, the first section 2205A and the second section 2205B is at least When partial sector is sequentially located on the emitting light path of gold-tinted.DMD 2211 is for modulating the HONGGUANG along the first optical channel successively outgoing And green glow, DMD 2213 is for modulating the green glow along the second optical channel successively outgoing and HONGGUANG.
In the present embodiment, the light intensity of the blue light of modulation in two DMD can be controlled respectively, to better adapt to reality Need.Further, the time span of two blue light outgoing can also be inconsistent, and one of them blue light source can be at another blue light Lighting in the part-time section of light source igniting, the time length specifically lighted can need the amount of blue light according to corresponding DMD Determine.As a same reason, for regulation for the green glow modulated and the amount of HONGGUANG, the first section 2205A can correspondingly be controlled With the lighting time of gold-tinted time on the emitting light path that the second section 2205B lays respectively at gold-tinted (the i.e. first light).Easy to understand That one of them blue light source can also replace to the light-emitting component of other colors, such as cyan light emitting elements, accordingly its In DMD for the green light of modulation timing, HONGGUANG and green glow.
It is understood that in the present embodiment the optical filter 2203 and 2204 in beam splitting system not necessarily, Ke Yitong Cross and change the light channel structure of light-source system to dispense this two optical filters.Such as that each section on filtering apparatus 2205 is same Time be also configured to transmission the second light and the 4th light (being blue light in the present embodiment), and light source 2201A and 2201B is laid respectively at The both sides of filtering apparatus 2205 so that be directly transmitted to DMD after light filtered device 2205 transmission of light source 2201A outgoing 2211, it is directly transmitted to DMD 2213 after light filtered device 2205 transmission of light source 2201B outgoing.
Embodiment 14
Refer to the schematic diagram of illuminating source of another embodiment that Figure 24, Figure 24 are the light-source systems of the present invention.This In embodiment, light-source system 2400 includes that light-emitting device, beam splitting system, the first spatial light modulator 2411 are adjusted with second space light Device 2413 processed.
Light-emitting device is for sequentially outgoing the first light, the second light and the 3rd light.For concrete example, light-emitting device includes Huang Radiant 2402A, blue light source 2401 and yellow light sources 2402B, be respectively used to produce gold-tinted 22A, blue light 11 and gold-tinted 22B, I.e. first light, the second light and the 3rd light；Also include first control device 2403, be used for controlling this three light sources so that luminous dress Put sequentially outgoing gold-tinted 22A, blue light 11 and gold-tinted 22B.
Beam splitting system is divided into along the first optical channel and the second optical channel outgoing for the second light of in the future selfluminous device First sub-light and the second sub-light, the 3rd light being additionally operable to selfluminous device in the future is divided into going out along the first optical channel and the second optical channel The 5th range of wavelength light penetrated and the 6th range of wavelength light.For concrete example, beam splitting system includes optical filter 2404 and 2405. The optical filtering curve of optical filter 2405 is set to the green color components of transmission gold-tinted, and the green color components of this transmission is corresponding to the of the first light Two range of wavelength light and the 5th range of wavelength light of the 3rd light, and reflect red color light component, this red color light component is corresponding to the first light First range of wavelength light and the 6th range of wavelength light of the 3rd light；Also transmissive portion blue light reflecting part blue light, this transmissive portions The blue light divided corresponds to the first sub-light corresponding to the second sub-light, the blue light of this reflecting part.Optical filter 2404 is for transmission blue light And reflect gold-tinted.The light that blue light source 2401 and gold-tinted 2402A produce is incident from the both sides of optical filter 2404, respectively through filter respectively From same optical channel to the same side of optical filter 2405 incidence after mating plate 2404 transmission and reflection.Yellow light sources 2402B produces Light is incident from the opposite side of optical filter 2405.The light of filtered 2405 transmissions is along the first optical channel outgoing to DMD 2411, warp The light of optical filter 2405 reflection is along the second optical channel outgoing to DMD 2413.
First spatial light modulator (i.e. DMD 2411) is used for beam splitting system along the first of the first optical channel sequentially outgoing Range of wavelength light, the first sub-light and the 5th range of wavelength light are modulated.Second space photomodulator (i.e. DMD 2413) is used for Described beam splitting system is entered along the second range of wavelength light, the second sub-light and the 6th range of wavelength light of the second optical channel sequentially outgoing Row modulation.
As shown in figure 25, Figure 25 is the lighting timings figure of three light sources of the light-source system shown in Figure 24 and two DMD Modulation timing figure.In a modulation period T, within the front t1 time, blue light source 2401 is lighted, two yellow light sources not works Make, then two DMD are used to modulate blue light.Within the ensuing t2 time, yellow light sources 2402B lights, other two light source Do not work, then DMD2411 is used for modulating green glow, and DMD2413 is used for modulating HONGGUANG.Within the ensuing t3 time, yellow light sources 2402A lights, and other two light source does not works, then DMD2411 is used for modulating HONGGUANG, and DMD2413 is used for modulating green glow.So, Just so that the three primary colours light of two DMD modulation timings respectively.
In the present embodiment, it is also possible to joining day section t4 in a modulation period T, within this time, three light sources with Time light, then two DMD are for modulating the conjunction light of blue light and gold-tinted, i.e. white light.As such, it is possible to improve the brightness of light-source system. In the present embodiment, the ratio of t1, t2, t3 and t4 can need to be adjusted according to the actual ratio of different colours.
Compare above example, the present embodiment can come respectively to two by controlling the brightness of two yellow light sources respectively HONGGUANG and the brightness of green glow that DMD receives are adjusted, and decrease the second driving means that filtering apparatus drives Use；Simultaneously as light source light the rotation synchronised being not required to filtering apparatus, light in the sequential controlling different light source Being more prone to, adjusting, DMD is the most convenient to the amount of different colours light modulation.
It is easily understood that one of them yellow light sources in the present embodiment can also replace to the luminous unit of the 3rd color Part.Corresponding, optical filtering curve for the optical filter 2405 of light splitting is also configured to a ripple of transmission the 3rd color of light simultaneously The light of long scope also reflects another wave-length coverage light of the 3rd color of light.
In the present embodiment, the colour wheel that can also be rotated by excitation in light-emitting device and produce three beams sequential Light, and beam splitting system can also carry out light splitting by the filter wheel rotated with colour wheel simultaneously to this three beams sequential light and come real Existing.These devices are described by above example, only need simply to the light-emitting device in different embodiments and light splitting System is combined, and does not repeats them here.
Embodiment 15
Refer to the schematic diagram of illuminating source of another embodiment that Figure 26, Figure 26 are the light-source systems of the present invention.This In embodiment, light-source system 2600 includes that light-emitting device, beam splitting system, the first spatial light modulator 2611 are adjusted with second space light Device 2613 processed.Light-emitting device includes blue light source 2601A and 2601B, yellow light sources 2602A and 2602B, first control device 2603.Beam splitting system includes optical filter 2604 and 2605.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 24:
Light-emitting device in the present embodiment also includes blue light source 2601B, and blue light source 2601A is respectively two DMD Blue light is provided.
Compare the optical filter carrying out light splitting in the light-source system shown in Figure 24 for the light beam that two yellow light sources are produced 2605, the light beam being used for producing two yellow light sources in the present embodiment carries out the optical filter 2605 of light splitting and is set to transmission green glow With blue light reflect HONGGUANG, and filtered 2605 transmission tailing edge the second optical channel outgoing of blue light of producing of blue light 2601A are to DMD 2613.Meanwhile, optical filter 2606 is positioned at optical filter 2605 and reflects on the emitting light path of light beam, for transmission blue light and reflect other Light.The HONGGUANG of sequential of filtered 2605 reflection and filtered 2606 reflection tailing edge the first optical channel outgoing of green glow are to DMD 2611, blue light source 2601B are from optical filter 2606 transmission tailing edge the first optical channel outgoing to DMD 2611.
As shown in figure 27, Figure 27 is the lighting timings figure of four light sources of the light-source system shown in Figure 26 and two DMD Modulation timing figure.In a modulation period T, within the front t1 time, first control device controls two blue light sources and lights, and two Individual yellow light sources does not works, then two DMD are used for modulating blue light.Within the ensuing t2 time, yellow light sources 2602B lights, Its excess-three light source does not works, then DMD2611 is used for modulating green glow, and DMD2613 is used for modulating HONGGUANG.In the ensuing t3 time In, yellow light sources 2602A lights, and its excess-three light source does not works, then DMD2611 is used for modulating HONGGUANG, and DMD2613 is used for modulating Green glow.So, just so that the three primary colours light of two DMD modulation timings respectively.
It is easily understood that one of them blue light source can also only be lighted i.e. in the part-time section of time period t 1 Can, the time length the most specifically lighted can the amount of blue light according to actual needs be controlled.
Preferably, in a modulation period T, it is also possible to joining day section t4, within this time, four same time points of light source Bright, then two DMD are used to modulate blue light and the conjunction light of gold-tinted, i.e. white light.As such, it is possible to improve the brightness of light source.In this reality Executing in example, the ratio of t1, t2, t3 and t4 can need to be adjusted according to the actual ratio of different colours.
Compare the light-source system shown in Figure 24, the present embodiment uses two blue light sources, two DMD can be controlled respectively The light intensity of the blue light of middle modulation and the length of modulation time, to better adapt to be actually needed.
In the embodiment above, the optical filtering curve of each optical filter, the sequencing contro of each light source, the modulation timing of DMD Being not limited to above citing with concrete light channel structure etc., those skilled in the art can be according to specific design of the present invention.
Embodiment 16
Refer to the schematic diagram of illuminating source of another embodiment that Figure 28, Figure 28 are the light-source systems of the present invention.This In embodiment, light-source system includes light-emitting device, beam splitting system, the first spatial light modulator 2811 and second space photomodulator 2813.Light-emitting device includes that excitation source 2801 and 2802, wavelength conversion layer the 2805, first driving means 2806 and first control Device (not shown).Beam splitting system includes optical filter 2814 and reflecting mirror 2812.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 24:
In light-source system shown in Figure 24, light-emitting device is lighted four light sources by sequential and is produced sequential light, and this enforcement Light-emitting device in example uses colour wheel to combine sequential point bright light source two ways to produce sequential light, is described as follows.
The first subregion 2805A, the second subregion 2805B, the 3rd subregion 2805C and the 4th point is included on wavelength conversion layer 2805 District 2805D, is respectively arranged with first, second, third and fourth functional material, be respectively used to absorb exciting light and produce first, Second, third, the 4th light.In the present embodiment, two excitation sources are UV light, and first and the 3rd is provided with Huang on subregion Optical wavelength conversion material, second and the 4th is provided with blue light wavelength transition material on subregion.Within the same time period first point District and the 3rd subregion lay respectively on the emitting light path of the exciting light that two excitation sources produce, the second subregion in another time period On the emitting light path of the exciting light laying respectively at two excitation sources generations with the 4th subregion.
First driving means 2806 is used for driving wavelength conversion layer 2805 so that exciting light is shape on wavelength conversion layer 2805 The hot spot become acts on this wavelength conversion layer 2805 by predefined paths.Meanwhile, first control device is for controlling two exciting lights Source so that at least part of period when the first subregion 2805A and the 3rd subregion 2805C is positioned in the light path of two bundle exciting lights hands over For lighting, when the second subregion 2805B and the 4th subregion 2805D is positioned in the light path of two bundle exciting lights, at least part of period is simultaneously Light.
The brightest.As shown in figure 29, the wavelength conversion layer during Figure 29 is the light-source system shown in Figure 28 An embodiment of front view.In the present embodiment, wavelength conversion layer 2805 is in the form of annular discs, and the first subregion 2805A and Three subregion 2805C are 180 degree of settings, and the second subregion 2805B and the 4th subregion 2805D is 180 degree of settings.First driving means 280 is motor, is used for driving wavelength conversion layer periodic rotary.Two bundle exciting light each self-formings on wavelength conversion layer 2805 The line of hot spot is through the center of circle of disk so that lays respectively at these two in 180 degree of subregions arranged within the same time and excites On the emitting light path of the exciting light that light source produces.
In the present embodiment, wavelength conversion layer 2805 is set to reflective, i.e. exciting light is positioned at the light path of Stimulated Light The same side of this wavelength conversion layer 2805.Can by the side of wavelength conversion layer 2805 excitation source dorsad place reflecting mirror or Person is coated with reflectance coating and realizes, and this is known technology, does not repeats them here.
The emitting light path of wavelength conversion layer 2805 is provided with two reflectors 2803 and 2804, is respectively used to collect and swashs Stimulated Light produced by luminous source 2801 and excitation source 2802 excitation wavelength conversion layer, is called the first Stimulated Light and second Stimulated Light.It is each provided with a through hole, the exciting light produced for the excitation source that transmission is corresponding on these two reflectors. These two reflectors utilize the difference of the etendue amount of exciting light and Stimulated Light the light path of exciting light and Stimulated Light to be distinguished Come.During it is easily understood that wavelength conversion layer is transmission-type, i.e. the light path of exciting light and the light path of Stimulated Light lays respectively at wavelength The both sides of conversion layer, it may not be necessary to use reflector.But the present embodiment uses reflective wavelength conversion layer and reflector, The loss of light beam can be reduced, improve beam utilization.
Beam splitting system is for being respectively classified into the first light and the 3rd light along the first optical channel and the two of the second optical channel outgoing Bundle different wavelength range light, and respectively along the first optical channel and the second optical channel outgoing the second light and the 4th light.At the present embodiment In, reflecting mirror 2812 is positioned on the emitting light path of the second Stimulated Light, and the first Stimulated Light is subject to be reflected mirror 2812 reflection second Laser is incident to the both sides of optical filter 2814 respectively.It is green that optical filter 2814 is used for reflecting in gold-tinted (the i.e. first light and the 3rd light) Light component transmission red color light component, be additionally operable to reflect blue light (the i.e. second light and the 4th light) along the first optical channel and the second optical channel Outgoing.DMD 2811 is for being modulated along the light beam of the first optical channel outgoing filtered 2814.DMD 2813 is for right Filtered 2814 light beam along the second optical channel outgoing is modulated.
Preferably, the first Stimulated Light is reflected after cover 2803 is collected and sequentially enters the even light of dodging device 2807 and collecting lens After 2810 again outgoing to optical filter 2814.Same, the second Stimulated Light is reflected after cover 2804 is collected and sequentially enters dodging device After 2808 even light and collecting lens 2809 again outgoing to optical filter 2814.So, the first Stimulated Light and the second Stimulated Light can be improved Utilization rate, reduce light loss.
As shown in figure 30, Figure 30 is a kind of working timing figure of the light-source system shown in Figure 28.It is described as follows.At ripple In the cycle T that long conversion layer 2805 rotates, excite when the second subregion 2805B and the 4th subregion 2805D lays respectively at two bundles Time in the light path of light, first control device controls two excitation sources and lights, then to be simultaneously received optical filter 2814 anti-for two DMD The blue light penetrated；When the first subregion 2805A and the 3rd subregion 2805C lays respectively in the light path of two bundle exciting lights, when front t1 In, first control device controls excitation source 2802 and lights, and excitation source 2801 is closed, then DMD2813 receives green glow, DMD 2811 receives HONGGUANG；Within the rear t2 time, first control device controls excitation source 2801 and lights, excitation source 2802 Close, then DMD2813 receives HONGGUANG, and DMD2811 receives green glow.
Preferably, when the first subregion 2805A and the second subregion 2805C lays respectively in the light path of two bundle exciting lights, the phase Between have part-time section t3 in, first control device control excitation source 2801 and 2802 light simultaneously, then two DMD connect simultaneously Receive the conjunction light of HONGGUANG and green glow, i.e. gold-tinted.This makes the brightness of light-source system improve.
In the present embodiment, lay respectively in the light path of two bundle exciting lights as the second subregion 2805B and the 4th subregion 2805D Time, the length of the working time of two bundle exciting lights can be adjusted, to adjust the amount of the blue light that two DMD are respectively received, and then Adjust the color of the image of final light-source system outgoing.As a same reason, it is also possible at the first subregion 2805A and the 3rd subregion When 2805C lays respectively in the light path of two bundle exciting lights, adjust the length of the working time of two bundle exciting lights respectively, to adjust two The sequential that individual DMD is respectively received is red, the amount of green glow.
In the present embodiment, two excitation sources can also be blue light source, the second subregion 2805B and the 4th subregion It is provided with reflective areas on 2805D, is used for reflecting blue light.When excitation source is LASER Light Source, it is preferable that the second subregion 2805B and the 4th subregion 2805D is additionally provided with scattering material, for blue light is carried out eliminating coherence.
In the present embodiment, first, second, third and fourth light can also be different colours light, can divide according to two DMD Do not need the light of modulation to determine the spectrum of this four bundles light and for by the first light and the optical filtering of the optical filter of the 3rd smooth light splitting Curve.
Embodiment 17
Refer to the schematic diagram of illuminating source of another embodiment that Figure 31, Figure 31 are the light-source systems of the present invention.This In embodiment, light-source system includes light-emitting device, beam splitting system, the first spatial light modulator 3111 and second space photomodulator 3113.Light-emitting device includes that excitation source 3101 and 3102, wavelength conversion layer the 3105, first driving means 3106 and first control Device (not shown).Beam splitting system includes optical filter 3109, reflecting mirror 3103 and 3104 with through hole.
Include in place of the present embodiment and the difference of embodiment illustrated in fig. 28:
Light-source system shown in Figure 28 is placed on the emitting light path of wavelength conversion layer 2805 reflector so that luminous dress Put after the sequential light sent is reflected cover collection and enter back into beam splitting system.In the present embodiment, not at wavelength conversion layer 3105 Place reflector on emitting light path, but directly place beam splitting system.
Optical filter 3109 in beam splitting system is used for the green color components in transmission gold-tinted and reflects the red color light component in gold-tinted, It is additionally operable to respectively transmitted second light and the 4th light (being blue light in the present embodiment).What the first excitation source 3101 produced excites Light is incident to wavelength conversion layer 3105 after sequentially passing through the through hole on reflecting mirror 3103 and collimating lens 3108.Wavelength conversion layer Optical filter 3109 is reflexed to by reflecting mirror 3103 after first Stimulated Light collimated lens 3108 collimation of 3105 outgoing.Second excites The exciting light that light source 3102 produces is incident after sequentially passing through the through hole on reflecting mirror 3104, optical filter 3109 and collimating lens 3107 To wavelength conversion layer 3105.Optical filter is entered after second Stimulated Light collimated lens 3107 collimation of wavelength conversion layer 3105 outgoing 3109。
The work schedule concrete example of the light-source system shown in Figure 31 is as follows.In the week that wavelength conversion layer 3105 rotates In phase T, when the second subregion 2805B and the 4th subregion 2805D lays respectively in the light path of two bundle exciting lights, first control device Control two excitation sources to light, then DMD 3113 receives the blue light of optical filter 3109 transmission, and DMD 3111 receives successively Filtered 3109 transmissions and the blue light of reflecting mirror 3104 reflection；When the first subregion 2805A and the 3rd subregion 2805C lays respectively at Time in the light path of two bundle exciting lights, within the front t1 time, first control device controls excitation source 3101 and lights, excitation source 3102 close, then DMD3113 receives HONGGUANG, and DMD3111 receives green glow；Within the rear t2 time, first control device controls Excitation source 3102 is lighted, and excitation source 3101 is closed, then DMD3113 receives green glow, and DMD3111 receives HONGGUANG.
For convenience of describing, all using the first light and the 3rd light in various embodiments above is gold-tinted, the second light and the 4th light It is example explanation for blue light.In practice, this four bundles light can also be other color of light, is not limited to described above 's.Corresponding, optical filter in beam splitting system or the optical filtering curve of filtering apparatus are also according to the concrete color of this four bundles light And specific design.
In various embodiments above, have in the wavelength conversion layer of different subregion and the filtering apparatus of different section, wavelength Zones of different on conversion layer or filtering apparatus may not be around a center of circle circumferentially distributed, but be set in parallel Belt-like zone or take other to be appropriately arranged with mode.Corresponding, it is used for driving this wavelength conversion layer or filtering apparatus fortune merit Driving means to be linear translation device or other can be taked to be appropriately arranged with mode so that light beam at this wavelength conversion layer or The hot spot the most linearly path or other predefined paths that are formed on person's filtering apparatus act on this wavelength conversion layer or filter Electro-optical device.
In various embodiments above, the light of two DMD outgoing can project in same viewing area, to form a width figure Picture, as shown in figure 32, Figure 32 is the structural representation of an embodiment of the light-source system of the present invention.The light of two DMD outgoing Two viewing areas can also be projected respectively, to form two width images, as shown in figure 33.Figure 33 is the light-source system of the present invention The structural representation of another embodiment.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other The difference of embodiment, between each embodiment, identical similar portion sees mutually.
The embodiment of the present invention also provides for a kind of optical projection system, including light-source system, this light-source system can have above-mentioned respectively Structure in embodiment and function.This optical projection system can use various shadow casting technique, such as liquid crystal display (LCD, Liquid Crystal Display) shadow casting technique, digital light path processor (DLP, Digital Light Processor) shadow casting technique. Additionally, above-mentioned light-emitting device can also be applied to illuminator, such as stage lighting illumination.
The foregoing is only embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization is originally Equivalent structure or equivalence flow process that description of the invention and accompanying drawing content are made convert, or are directly or indirectly used in what other were correlated with Technical field, is the most in like manner included in the scope of patent protection of the present invention.

Claims (12)

1. a light-source system, it is characterised in that including:
Light-emitting device, for sequentially outgoing the first light and the second light；
Beam splitting system, including the first light-dividing device, described first light-dividing device includes the first section and the second section, described first Section is divided into along the first range of wavelength light of the first optical channel outgoing with along the second light for the first light of selfluminous device in the future Second range of wavelength light of passage outgoing, described second section is at least part of light edge of the second light of selfluminous device in the future First optical channel outgoing；
First spatial light modulator, for being modulated along the light of the first optical channel outgoing described beam splitting system；
Second space photomodulator, for being modulated along at least part of light of the second optical channel outgoing described beam splitting system.
Light-source system the most according to claim 1, it is characterised in that described light-emitting device includes that excitation source, wavelength turn Change layer and the first driving means；
Described excitation source is used for producing exciting light；
Described wavelength conversion layer includes the first subregion and the second subregion, and the first subregion is provided with first wave length transition material, uses In absorbing the first light described in described exciting light outgoing；It is provided with second wave length transition material on second subregion, is used for absorbing institute Stating exciting light outgoing the second light, or be provided with transparent area, for exciting light described in transmission, this exciting light is the second light；
Described first driving means is used for driving described wavelength conversion layer so that described exciting light is shape on described wavelength conversion layer The hot spot become acts on described wavelength conversion layer by predefined paths so that this wavelength conversion layer sequentially outgoing the first light and second Light.
Light-source system the most according to claim 2, it is characterised in that described wavelength conversion layer and the first light-dividing device are fixed Connect；
Described light-emitting device also includes light directing arrangement, is used for the light of the first subregion outgoing on this wavelength conversion layer according to sequential Guide to described first section and the light of the second subregion outgoing on this wavelength conversion layer is guided to described second section On.
Light-source system the most according to claim 1, it is characterised in that described light-emitting device include the first luminescent device, Two luminescent devices, the first reflection unit, the second reflection unit and the second driving means；
First luminescent device is for producing the first light, and the second luminescent device is for producing the second light；
First reflection unit includes two reflecting elements, lays respectively at the first luminescent device and the emitting light path of the second luminescent device On, for the emergent light of different luminescent devices is reflexed to the second reflection unit；
Second reflection unit includes a reflecting surface, and between first, second luminescent device, the second driving means drives second anti- Injection device moves so that this reflecting surface is sequentially placed on the emitting light path of two reflecting elements of the first reflection unit, with by the One, the light that the second luminescent device sends reflects outgoing successively.
Light-source system the most according to claim 1, it is characterised in that described light-emitting device include the first luminescent device, Two luminescent devices and first control device；
First luminescent device is for producing the first light, and the second luminescent device is for producing the second light；
First control device is for alternately lighting the first luminescent device and the second luminescent device at least part of period.
Light-source system the most according to claim 1, it is characterised in that the second section of described first light-dividing device is specifically used Future, the second light of selfluminous device is divided into along the 3rd range of wavelength light of the first optical channel outgoing and goes out along the second optical channel The 4th range of wavelength light penetrated.
Light-source system the most according to claim 6, it is characterised in that second space photomodulator is additionally operable to described light splitting 4th range of wavelength light of system exit is modulated.
8. a light-source system, it is characterised in that including:
Light-emitting device, for sequentially outgoing the first light and the second light；
Beam splitting system, including filtering apparatus with for the second driving means driving filtering apparatus to move, this filtering apparatus includes First section, the second section and the 3rd section, wherein the first section for transmissive portion the second light to the first optical channel outgoing, and Reflecting part the second light is to the second optical channel outgoing；Second section is used for the first range of wavelength light of transmission the first light to the first light Passage outgoing, and reflect the second range of wavelength light to the second optical channel outgoing；3rd section is for the first model of reflection the first light Enclose wavelength light to the second optical channel outgoing, and transmission the second range of wavelength light is to the first optical channel outgoing；
Described light-emitting device also includes first control device, is used for controlling this second driving means, so that this second section is extremely On the emitting light path being at least partly sequentially located at the first light of small part and the 3rd section, the first section be at least partially disposed at On the emitting light path of two light；
First spatial light modulator, for being modulated along the light of the first optical channel outgoing described beam splitting system；
Second space photomodulator, for being modulated along at least part of light of the second optical channel outgoing described beam splitting system.
Light-source system the most according to claim 8, it is characterised in that described light-emitting device includes the first luminescent device and Two luminescent devices；
First luminescent device is for producing the first light, and the second luminescent device is for producing the second light；
First control device lights the first luminescent device and the second luminescent device for sequential.
Light-source system the most according to claim 8, it is characterised in that described light-emitting device includes that excitation source, wavelength turn Change layer and the first driving means；
Described excitation source is used for producing exciting light；
Described wavelength conversion layer includes the first subregion and the second subregion, and the first subregion is provided with first wave length transition material, uses In absorbing the first light described in described exciting light outgoing；It is provided with second wave length transition material on second subregion, is used for absorbing institute Stating exciting light outgoing the second light, or be provided with transparent area, for exciting light described in transmission, this exciting light is the second light；
Described first driving means is used for driving described wavelength conversion layer so that described exciting light is shape on described wavelength conversion layer The hot spot become acts on described wavelength conversion layer by predefined paths so that this wavelength conversion layer sequentially outgoing the first light and second Light.
11. 1 kinds of light-source systems, it is characterised in that include that light-emitting device, beam splitting system, the first spatial light modulator and second are empty Between photomodulator；
Described light-emitting device is used at sequentially outgoing of at least part of period the first light and the second light, and at the second light described in outgoing At least part of period produce the 4th light；
Described beam splitting system includes that filtering apparatus, described filtering apparatus include the first section and the second section, described first section For the first range of wavelength light of transmission the first light to the first optical channel outgoing, and reflect the second range of wavelength light to the second light and lead to Road outgoing；Described second section for the first range of wavelength light of reflection the first light to the second optical channel outgoing, and transmission second Range of wavelength light is to the first optical channel outgoing；
Described beam splitting system also includes the first filter being arranged in the transmission light path of described second light of described light-emitting device outgoing Mating plate and the second optical filter in the transmission light path of the 4th light being arranged at described light-emitting device outgoing, described first optical filter will Described second optical processing becomes along the first optical channel transmission, and described 4th optical processing is become along the second optical channel by described second optical filter Transmission；
Described beam splitting system also includes the second driving means for driving described filtering apparatus to move；Described beam splitting system is also wrapped Include first control device, be used for controlling described second driving means, so that at least part of and second section of described first section The emitting light path being at least partly sequentially located at described first light on.
12. 1 kinds of optical projection systems, it is characterised in that include the light-source system as according to any one of claim 1 to 11.
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CN201410391971.3A CN104216210B (en) 2012-09-28 2012-09-28 Light source system and related projection system
CN201410394654.7A CN104267567B (en) 2012-09-28 2012-09-28 Light source system and related projection system
CN201410393174.9A CN104252093B (en) 2012-09-28 2012-09-28 Light source system and related projection system
CN201410393328.4A CN104252094B (en) 2012-09-28 2012-09-28 Colour wheel and optical projection system
CN201410395485.9A CN104267568B (en) 2012-09-28 2012-09-28 Light-source system and relevant projecting system
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CN201410393328.4A Division CN104252094B (en) 2012-09-28 2012-09-28 Colour wheel and optical projection system
CN201410391951.6A Division CN104216209B (en) 2012-09-28 2012-09-28 Light-source system and relevant projecting system
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