CN207067640U - Excitation light source system and projector equipment - Google Patents
Excitation light source system and projector equipment Download PDFInfo
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- CN207067640U CN207067640U CN201720488900.4U CN201720488900U CN207067640U CN 207067640 U CN207067640 U CN 207067640U CN 201720488900 U CN201720488900 U CN 201720488900U CN 207067640 U CN207067640 U CN 207067640U
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- 230000005284 excitation Effects 0.000 title claims abstract description 107
- 239000000843 powder Substances 0.000 claims abstract description 59
- 238000003384 imaging method Methods 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims description 33
- 238000009826 distribution Methods 0.000 claims description 9
- 230000004069 differentiation Effects 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 7
- 238000003491 array Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000021384 green leafy vegetables Nutrition 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
A kind of projector equipment the utility model discloses excitation light source system and using the excitation light source system, need not be using devices such as the colour wheel of existing product and square rods, by setting relay system, microlens array, spatial light modulator and scattering powder array, so that each exciting light is incident to scattering powder array through spatial light modulator modulation and imaging is emitted after microlens array is collected after the scattering powder array scattering, color and the higher illumination of brightness uniformity are realized, there is good Consumer's Experience.
Description
Technical field
Optical technical field is the utility model is related to, more particularly to a kind of field of projection display.
Background technology
At present, the various aspects among projection display applications to life, its core is spatial light modulator.It is common
Spatial light modulator has MEMS technology DMD DMD, HTPS LCD display chips and reflection type LCD device LCOS.Root
It is different according to the number of optical projection system spatial light modulator, it is generally divided into one chip and three-panel projection system.Single-panel projection
System is simple in construction with its, and cost is relatively low, occupies the major part of middle and low-end market.Current most spatial light modulator is all
It is passive type, it is necessary to a color and the higher illumination of brightness uniformity.Therefore complex optics must be designed
The combination of system and excitation source obtains uniformly and the enough excitation light source system of brightness.By taking one chip DMD systems as an example,
Excitation source needs sequentially to provide RGB illumination light.Therefore the monochromatic light or logical for needing sequential to open in excitation light source system
Cross the transmission wave band that optical filter realizes timing variations., must also provider in excitation light source system in order to provide uniform illumination
The dodging devices such as rod carry out Homogenization Treatments to light.
It is existing one chip DMD optical projection systems as shown in Figure 1, semiconductor laser excitation source 101 is saturating by collecting
Mirror 102 is focused on the colour wheel 103 of rotation, and colour wheel 103 is the fluorescent powder color wheel as shown in Fig. 2, and sequential is formed after colour wheel
On red, green, blue three primary colours light, incided after 104 even light of square rod, then by light relay system on TIR prism 105, instead
It is mapped on dmd chip 106 and is modulated, by the final output image of projection lens 107.LASER Excited Fluorescence powder obtains three bases
Color fluorescence, is limited to the energy density of exciting light, and the hot saturation of fluorescent material can cause excitation source brightness to be limited.
For these reasons so that excitation light source system structure complexity of the prior art is high, shared volume is big, limitation
The back work distance of camera lens is from have impact on the performance of product.Therefore it is real to be necessary to provide a kind of new excitation light source system to solve
Certainly above mentioned problem.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of excitation light source system and projecting method, using simple
System can realize color and the higher illumination of brightness uniformity, there is good Consumer's Experience.
In order to solve the above technical problems, the technical scheme that the utility model uses is：A kind of excitation source system is provided
System, the excitation light source system include：Multiple excitation sources, relay system, microlens array, spatial light modulator and display system
System, wherein,
The excitation source includes at least one green (light) laser for sending green exciting light, at least one red that sends swashs
Luminous red laser and at least one blue laser for sending blue excitation light；
The relay system is located in the light path of the exciting light, each exciting light sent for collecting excitation source；
The microlens array includes playing before the spatial light modulator convergence and respectively excites the first micro- of light action
Lens array and the second microlens array, first microlens array and second microlens array include multiple lenticule lists
Member；
The spatial light modulator is used to modulate each exciting light, and each exciting light is through described in the first microlens array incidence
Spatial light modulator；
The display system is scattering powder array, for being scattered to each exciting light；
The exciting light is incident to the scattering powder array through spatial light modulator modulation and dissipated from the scattering powder array
After penetrating imaging is emitted after second microlens array collection.
Preferably, the spatial light modulator includes being used for the multiple pixel cells for modulating different exciting lights, the scattering
Powder array includes multiple scattering powder units, and the scattering powder unit corresponds with the pixel cell.
Preferably, the excitation light source system includes being used to converge exciting light between the excitation source and relay system
Collection system.
Preferably, after the collection system is focused to each exciting light, focus that each exciting light is formed in collection system
One first focal plane is formed, each exciting light forms EDS maps on first focal plane.
Preferably, the microlens array also includes the second lenticule battle array after display system in each exciting light light path
Row, it is excitation source that the excitation light source system includes setting gradually along optical axis direction, collection system, relay system, first micro-
Lens array, spatial light modulator, scattering powder array and the second microlens array.
Preferably, the collection system includes and excitation source multiple collecting lenses correspondingly.
Preferably, the green (light) laser, red laser and blue laser along optical axis direction in the display system
On projection on the same line.
Preferably, a pixel cell of the spatial light modulator is correspondingly formed one by a scattering powder unit
Individual pixel, the pixel comprise at least a red, green and sub- pixel of blue three.
Preferably, the green (light) laser, the red laser and the blue laser along optical axis direction described
Projection in display system is arranged in a matrix fashion, and the quantity of green (light) laser is the quantity of red laser and blue laser
Sum, any two green (light) laser are non-conterminous.
Preferably, a pixel cell of the spatial light modulator is correspondingly formed one through a scattering powder unit
Pixel, the pixel comprise at least red, two green, sub- pixels of blue four.
Preferably, the collection system includes a collecting lens and is used to adjust exciting light in exciting light light path
Light path to the collecting lens at least two sequential open light splitting eyeglass.
Preferably, the light splitting eyeglass includes the anti-blue light that is arranged in blue laser light path and yellow eyeglass and is arranged on thoroughly
Counter in red laser light path is popular in blue or green eyeglass, the reflection or lens light of the exciting lights of different excitation sources by light splitting eyeglass
Road is overlapped, and the first focal plane of collecting lens is converged at through collecting lens.
Preferably, a pixel cell of the spatial light modulator is correspondingly formed a pixel through a scattering powder unit
Point.
Preferably, the microlens array also includes the second lenticule battle array after display system in each exciting light light path
Row, the excitation light source system include the excitation source, the first microlens array, space light modulation set gradually along optical axis direction
Device, relay system, scattering powder array and the second microlens array.
Preferably, the same plane that different excitation sources are converged on optical axis with the incidence angle different from optical axis is described flat
Face is identical with the distance of optical axes crosspoint to each excitation source, and different exciting lights form angle distribution on the plane, and through first
Microlens array is converted into each pixel cell that EDS maps incide spatial light modulator.
Preferably, a pixel cell of the spatial light modulator is correspondingly formed a picture by a scattering powder unit
Vegetarian refreshments, the pixel comprise at least a red, green and sub- pixel of blue three.
Preferably, the spatial light modulator is any one in LCD, DMD or LCOS.
Spatial light modulator is in order to solve the above technical problems, another technical scheme that the utility model uses is：There is provided
A kind of projector equipment, the projector equipment include any one of previously described excitation light source system.
The beneficial effects of the utility model are：The situation of prior art is different from, the utility model provides a kind of exciting light
Source system and the projector equipment using the excitation light source system, without devices such as the colour wheel using existing product and square rods, lead to
Cross setting relay system, microlens array, spatial light modulator and scattering powder array so that each exciting light is through spatial light modulator
Modulation is incident to scattering powder array and imaging is emitted after microlens array is collected after the scattering powder array scattering, realizes
Color and the higher illumination of brightness uniformity, have good Consumer's Experience.
Brief description of the drawings
Fig. 1 is the structural representation of optical projection system in existing product；
Fig. 2 is the structural representation of the colour wheel of optical projection system in existing product；
Fig. 3 is the structural representation of the first embodiment of the utility model excitation light source system；
Fig. 4 is that the first embodiment of the utility model excitation light source system is irradiated with a laser in Quan Baichang scattering arrays
Schematic diagram；
Fig. 5 is the structural representation of second of embodiment of the utility model excitation light source system；
Fig. 6 is the structural representation of the third embodiment of the utility model excitation light source system；
Fig. 7 is that the third embodiment of the utility model excitation light source system is irradiated with a laser in Quan Baichang scattering arrays
Schematic diagram；
Fig. 8 is the structural representation of the 4th kind of embodiment of the utility model excitation light source system.
Embodiment
It should be appreciated that specific embodiment described herein is not used to limit this only to explain the utility model
Utility model.
Embodiment one
Refer to shown in Fig. 3, be that a kind of structure of excitation light source system of the utility model the first embodiment offer is shown
It is intended to.The present embodiment includes three kinds of excitation sources (301,302,303), collection system, relay system 305, the first lenticule battle array
Row 306, the second microlens array 309, spatial light modulator 307, scattering powder array 308, image-forming objective lens 310.
Wherein excitation source excites including sending the red laser 301 of 638nm red exciting lights, sending 520nm greens
The green (light) laser 302 of light and the blue laser 303 for sending 445nm blue excitation lights.
First microlens array 306 and the second microlens array 309 include playing the multiple micro- of convergence effect of light respectively
Lens unit, scattering powder array 308 include multiple scattering powder units.
After collection system is focused to each exciting light, each exciting light is burnt in the focus composition one first that collection system is formed
Plane 30, i.e. collection system dissipate after each exciting light collection caused by excitation source is converged at into the first focal plane 30, specifically
Include form the first focal plane with excitation source multiple collecting lenses 304 correspondingly, the focus of multiple collecting lenses 304
30.Collection system forms the differentiation of EDS maps on the first focal plane 30 in the exciting light warp that different excitation sources are sent.Wherein,
Three kinds of excitation sources are located along the same line along projection of the optical axis direction in the display system.Specifically in present embodiment
In, excitation source is located parallel on the same straight line of the first focal plane 30.The initial optical path of wherein three excitation sources is mutual
It is parallel.Corresponding, collecting lens 304 is also three, and three collecting lenses 304 are located along the same line.Certainly, optional
In the other embodiment selected, multigroup excitation source can also be set, and matched multiple collecting lenses are set, and
It can implement.
Relay system 305 is located in the exciting light light path after collecting lens 304, and relay system 305 intersects including exciting light
The second focal plane 31 converged, the repeated system 305 of exciting light that different excitation sources are sent form angle on the second focal plane 31
The differentiation of distribution.I.e. the repeated system 305 of optics expansion amount is converted into second Jiao by the differentiation of the EDS maps of the first focal plane 30
The differentiation of the angle distribution of plane 31.Because three kinds of excitation sources are different relative to the visual field of light relay system 305, therefore work as and excite
When light source images in 31, although the exciting light light of three kinds of colors overlaps, different incident lights are different from the angle of optical axis, i.e.,
The differentiation of angle distribution.After the convergence of each lenticule unit in the first microlens array 306, by spatial modulator
307 modulation, converge at the different scattering powder units of scattering powder array 308.Wherein, spatial light modulator 307 includes being used to adjust
Multiple pixel cells of different exciting lights are made, scatter the scattering powder unit in powder array 308 and the picture in spatial light modulator 307
Plain unit corresponds.
Different exciting lights is scattered in the form of lambert's light respectively after the scattering of each scattering powder unit, then through second
After each lenticule unit in microlens array 309 is collected, finally projects to and be imaged on image-forming objective lens 310, and pass through
Image-forming objective lens 310 are crossed to project in exterior screen.Imaging on image-forming objective lens 310 includes multiple pixels, wherein each scattering
Powder unit scatters a kind of exciting light, is correspondingly formed a sub- pixel.
Three sub- pixels on same straight line form a pixel, and each pixel branch includes RGB (RGB) three
Sub-pixel point.Specifically in the present embodiment, because each pixel has individual tri- signal values of RGB in projected picture, therefore
In such a system, the corresponding relation of pixel is：The corresponding three sub- pixels corresponding first of a pixel in projected picture are micro-
A lenticule unit in lens array 306 corresponds to corresponding three scatterings of three pixel cells in spatial light modulator 307
Three lens units in corresponding second microlens array 309 of powder unit.Swashed as shown in figure 4, scattering powder array for complete white field
The schematic diagram of light irradiation, three RGBs scattering powder point of the pixel from row to arrangement are formed.
In present embodiment, spatial light modulator 307 can be any one in LCD, DMD or LCOS, the present embodiment
Be by taking transmission type LCD as an example, due to LCD it is generally necessary to be modulated to polarised light, and inherently a kind of linearly polarized light of laser,
Polarization converter device is not needed, therefore improves optics utilization rate, and exciting light is after the outgoing of the second microlens array 309
Camera lens is directly entered, reduces the rear cut-off distance of camera lens.
Embodiment two
Present embodiment is the improvement made on the basis of first embodiment, in the first embodiment, reference picture
4, because three RGBs scattering powder unit of the pixel from row to arrangement is formed, therefore spatial light tune is sacrificed to a certain extent
The resolution ratio of device processed, therefore embodiment two is proposed, shown in reference picture 5, it is roughly the same with the first embodiment principle, difference
It is the structure of excitation source and collection system.
The spectroscope that present embodiment is opened using sequential adjusts the exciting light passed through.Specifically, including excitation source
(501,502,503), collection system, relay system 505, the first microlens array 506, the second microlens array 509, spatial light
Modulator 507, scattering powder array 508, image-forming objective lens 510.Collection system include collecting lens 504 and light splitting eyeglass (512,
513)。
Excitation source (501,502,503) includes sending the red laser 501 of 638nm red exciting lights, sends 520nm
The green (light) laser 502 of green exciting light and the blue laser 503 for sending 445nm blue excitation lights.
Wherein, the initial optical path for the exciting light that three kinds of excitation sources are sent is not parallel, is mutual specifically in the present embodiment
Three perpendicular excitation light paths, light splitting eyeglass include being arranged on anti-blue light in the blue laser light path yellow He of eyeglass 512 thoroughly
Be arranged in red laser light path it is counter be popular in blue or green eyeglass 513, the exciting light of different excitation sources is by the anti-of light splitting eyeglass
Penetrate or lens light path overlaps, and the first focal plane 50 of collecting lens is converged at through collecting lens.Certainly, it is selectable other
In embodiment, the quantity of spectroscopical quantity and excitation source is also not necessarily limited to this, as long as closing light can be played using spectroscope
Effect, be to implement.
It is right respectively by opening the spatial light modulator 507 of excitation source 501,502,503 according to projection signal's sequential
Rgb signal is modulated, and then causes the incident same scattering powder unit of exciting light of modulated different colours, through its scattering
After eliminating coherence, be time-multiplexed the pixel formed in projected picture.
Specifically in the present embodiment, the corresponding relation of pixel is：A pixel corresponding first is micro- in projected picture
The corresponding scattering powder unit of pixel cell in the corresponding spatial light modulator of a lenticule unit in lens array 506
A lens unit in corresponding second microlens array 509.
Embodiment three
Present embodiment is the improvement made on the basis of first embodiment, in the first embodiment, reference picture
4, because three RGBs scattering powder unit of the pixel from row to arrangement is formed, the length-width ratio of each pixel it is excessive (length-width ratio=
3), therefore, present embodiment adjusts the arrangement of rgb pixel by changing the arrangement of excitation source.
Shown in reference picture 6 and Fig. 7, it is roughly the same with the first embodiment principle, and difference is the row of excitation source
Cloth.
Specifically, including excitation source (601,602,603), collecting lens 604, relay system 605, the first lenticule battle array
Row 606, the second microlens array 609, spatial light modulator 607, scattering powder array 608, image-forming objective lens 610.
Wherein, multiple excitation sources are arranged in a matrix fashion along projection of the optical axis direction in the display system, specifically
In the present embodiment, multiple excitation sources also are located on same plane, and because green glow plays a decisive role to brightness, green glow swashs
The quantity of light device 602 is the quantity sum of red laser 601 and blue laser 603, and any two green (light) laser 602 is not
It is adjacent.Shown in reference picture 6, in the present embodiment, excitation source is arranged for the mode of 2*2 arrays.Green (light) laser 602 is two
Individual, blue laser 603 respectively has one with red laser 602, and corresponding, adjacent four sub- pixels form a pixel
Point, each pixel branch include a red sub-pixel point, a blue subpixels point and two green sub-pixels points.Work as throwing
Shadow entirely white field picture when, the rgb pixel distribution at scattering powder array 608 is as shown in Figure 7.The corresponding relation of pixel is：Shadowgraph
A lenticule unit in corresponding corresponding first microlens array 606 of four sub- pixels of a pixel in face is corresponding empty
Between four lens in corresponding corresponding second microlens arrays 609 of four scattering powder units of four pixel cells in optical modulator
Unit.It can be seen that in the present embodiment, the length-width ratio of pixel is 1:1, solve that length-width ratio in first embodiment is excessive to ask
Topic, has more preferable Consumer's Experience.
Example IV
Present embodiment is the improvement made on the basis of first embodiment, in the present embodiment, without setting
Collection system, but by setting different angles by exciting light is former, using the angle of different colours exciting light be distributed it is different and then
The EDS maps being converted at scattering powder array.
Specifically, as shown in figure 8, including excitation source (801,802,803), relay system 805, the first lenticule battle array
Row 806, the second microlens array 809, spatial light modulator 807, scattering powder array 808, image-forming objective lens 810.
Excitation source, microlens array 806, spatial light modulator 807, the and of relay system 805 are followed successively by along optical axis direction
Scatter powder array 808, wherein excitation source includes the first plane 80 of three kinds of exciting lights convergences, different excitation sources with optical axis
Different incidence angles is converged in the first plane 80, and the first plane 80 is identical with the distance of optical axes crosspoint to each excitation source.
Specifically, red laser 801, green (light) laser 802 are located at and the first plane 80 and light with blue laser 803
On the equidistant same plane of intersection point of axle.Wherein red laser 801, green (light) laser 802 and blue laser 803 and light
Angle between axle is differed, and specifically in the present embodiment, green (light) laser 802 is arranged on optical axis, i.e., is pressed from both sides with optical axis
Angle is 0 °, and red laser 801 and blue laser 803 are symmetrical arranged with respect to optical axis.What different excitation sources were sent excites
Light convergence is again in the first plane 80.
Each excitation source is arranged to different shooting angles, and the light beam of different exciting lights weight at the first plane 80
Close, but made a distinction by angular distribution.After microlens array 806, etendue is by the angle on the first focal plane 80
The differentiation of distribution is converted into the differentiation of the EDS maps in spatial light modulator 807, and the exciting light of different angle distributions converges at space
The different unit of optical modulator 807, spatial light modulator receive vision signal and exciting light are modulated.Relay system 805 will
Spatial light modulator 807 images in the surface of scattering powder array 809, and passes through the projection imaging of projection objective 810.
The situation of prior art is different from, the utility model provides a kind of excitation light source system and uses the excitation source
The projector equipment of system, without devices such as the colour wheel using existing product and square rods, by setting relay system, lenticule battle array
Row, spatial light modulator and scattering powder array so that each exciting light is incident to scattering powder array simultaneously through spatial light modulator modulation
Imaging is emitted after microlens array is collected after the scattering powder array scattering, color is realized and brightness uniformity is higher
Illumination, there is good Consumer's Experience.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (18)
1. a kind of excitation light source system, it is characterised in that the excitation light source system includes：Multiple excitation sources, relay system,
Microlens array, spatial light modulator and display system, wherein,
The excitation source includes at least one green (light) laser for sending green exciting light, at least one sends red exciting light
Red laser and at least one blue laser for sending blue excitation light；
The relay system is located in the light path of the exciting light, each exciting light sent for collecting excitation source；
The microlens array includes playing the first lenticule battle array that convergence respectively excites light action before spatial light modulator
Row and the second microlens array, first microlens array and second microlens array include multiple lenticule units；
The spatial light modulator is used to modulate each exciting light, and each exciting light is through described in the first microlens array incidence
Spatial light modulator；
The display system is scattering powder array, for being scattered to each exciting light；
Each exciting light is incident to the scattering powder array through spatial light modulator modulation and scattered from the scattering powder array
Imaging is emitted after being collected by second microlens array.
2. excitation light source system according to claim 1, it is characterised in that the spatial light modulator includes being used to modulate
Multiple pixel cells of different exciting lights, the scattering powder array include multiple scattering powder units, the scattering powder unit and institute
State pixel cell one-to-one corresponding.
3. excitation light source system according to claim 2, it is characterised in that the excitation light source system is included positioned at described
It is used for the collection system for converging exciting light between excitation source and relay system.
4. excitation light source system according to claim 3, it is characterised in that the collection system is gathered to each exciting light
Defocused, each exciting light forms one first focal plane in the focus that collection system is formed, and each exciting light is burnt flat described first
The differentiation of EDS maps is formed on face.
5. excitation light source system according to claim 4, it is characterised in that the microlens array also includes swashing positioned at each
The second microlens array in luminous light path after display system, the excitation light source system include what is set gradually along optical axis direction
Excitation source, collection system, relay system, the first microlens array, spatial light modulator, scattering powder array and the second lenticule
Array.
6. excitation light source system according to claim 5, it is characterised in that the collection system includes and excitation source one
Multiple collecting lenses corresponding to one.
7. excitation light source system according to claim 6, it is characterised in that the green (light) laser, red laser and
Blue laser along projection of the optical axis direction in the display system on the same line.
8. excitation light source system according to claim 7, it is characterised in that a pixel list of the spatial light modulator
Member is correspondingly formed a pixel by a scattering powder unit, the pixel comprise at least one it is red, one it is green and one
Three blue sub- pixels.
9. excitation light source system according to claim 6, it is characterised in that the green (light) laser, the red laser
Device and the blue laser are arranged in a matrix fashion along projection of the optical axis direction in the display system, the green laser
The quantity of device is the quantity sum of the red laser and the blue laser, and any two green (light) laser is non-conterminous.
10. excitation light source system according to claim 9 a, it is characterised in that pixel of the spatial light modulator
Unit is correspondingly formed a pixel through a scattering powder unit, and the pixel comprises at least red, two green, indigo plants
Four sub- pixels.
11. excitation light source system according to claim 5, it is characterised in that the collection system includes one and collected thoroughly
Mirror and it is used to adjust what the light path of exciting light was opened at least two sequential of the collecting lens in exciting light light path
It is divided eyeglass.
12. excitation light source system according to claim 11, it is characterised in that the light splitting eyeglass includes being arranged on blue light
Anti- blue light on laser light path yellow eyeglass and be arranged in red laser light path counter be popular in blue or green eyeglass, different exciting lights thoroughly
The exciting light in source overlaps by the reflection or lens light path of light splitting eyeglass, and converges at the of the collecting lens through collecting lens
One focal plane.
13. excitation light source system according to claim 12 a, it is characterised in that pixel of the spatial light modulator
Unit is correspondingly formed a pixel through a scattering powder unit.
14. excitation light source system according to claim 2, it is characterised in that the microlens array is also included positioned at each
The second microlens array in exciting light light path after display system, the excitation light source system include setting gradually along optical axis direction
Excitation source, the first microlens array, spatial light modulator, relay system, scattering powder array and the second microlens array.
15. excitation light source system according to claim 14, it is characterised in that different excitation sources are with different from optical axis
The same plane that incidence angle is converged on optical axis, the plane is identical with the distance of optical axes crosspoint to each excitation source, and difference swashs
It is luminous to form angle distribution on the plane, and be converted into EDS maps through the first microlens array and incide spatial light modulator
Each pixel cell.
16. excitation light source system according to claim 15 a, it is characterised in that pixel of the spatial light modulator
Unit is correspondingly formed a pixel by a scattering powder unit, the pixel comprise at least one it is red, one it is green and one
Individual three blue sub- pixels.
17. excitation light source system according to claim 1, it is characterised in that the spatial light modulator be LCD, DMD or
Any one in LCOS.
18. a kind of projector equipment, it is characterised in that including the excitation light source system as described in claim 1 to 17 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720488900.4U CN207067640U (en) | 2017-05-04 | 2017-05-04 | Excitation light source system and projector equipment |
| PCT/CN2018/074748 WO2018201766A1 (en) | 2017-05-04 | 2018-01-31 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720488900.4U CN207067640U (en) | 2017-05-04 | 2017-05-04 | Excitation light source system and projector equipment |
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| CN207067640U true CN207067640U (en) | 2018-03-02 |
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| CN201720488900.4U Active CN207067640U (en) | 2017-05-04 | 2017-05-04 | Excitation light source system and projector equipment |
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| Country | Link |
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| CN (1) | CN207067640U (en) |
| WO (1) | WO2018201766A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803217A (en) * | 2017-05-04 | 2018-11-13 | 深圳市光峰光电技术有限公司 | excitation light source system and projection device |
| CN109270779A (en) * | 2018-11-27 | 2019-01-25 | 深圳市微阵技术有限公司 | Novel dynamic image projection system |
| CN110365953A (en) * | 2018-04-11 | 2019-10-22 | 深圳光峰科技股份有限公司 | Optical projection system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006047555A (en) * | 2004-08-03 | 2006-02-16 | Canon Inc | Liquid crystal projector |
| CN201229463Y (en) * | 2008-07-17 | 2009-04-29 | 庄忆芳 | Hand held electronic device with mini projection module |
| CN202735667U (en) * | 2012-06-15 | 2013-02-13 | 天瀚科技股份有限公司 | Miniature projection mechanism capable of being connected with portable device and possessing foot stool function |
| EP2951482B8 (en) * | 2013-02-04 | 2018-04-18 | Oahwip B.V. | Stand for a portable device with a graphic user interface display |
| CN104077017B (en) * | 2013-03-29 | 2018-01-23 | 联想(北京)有限公司 | A kind of electronic equipment and control method |
| CN204694984U (en) * | 2015-03-16 | 2015-10-07 | 深圳市绎立锐光科技开发有限公司 | Projector |
| CN205229654U (en) * | 2015-07-15 | 2016-05-11 | 惠州比亚迪电子有限公司 | Miniature projector |
| CN107219713B (en) * | 2017-06-19 | 2019-11-26 | 联想(北京)有限公司 | A kind of electronic equipment |
-
2017
- 2017-05-04 CN CN201720488900.4U patent/CN207067640U/en active Active
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2018
- 2018-01-31 WO PCT/CN2018/074748 patent/WO2018201766A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803217A (en) * | 2017-05-04 | 2018-11-13 | 深圳市光峰光电技术有限公司 | excitation light source system and projection device |
| CN108803217B (en) * | 2017-05-04 | 2024-05-03 | 深圳光峰科技股份有限公司 | Excitation light source system and projection device |
| CN110365953A (en) * | 2018-04-11 | 2019-10-22 | 深圳光峰科技股份有限公司 | Optical projection system |
| CN110365953B (en) * | 2018-04-11 | 2021-11-26 | 深圳光峰科技股份有限公司 | Projection system |
| CN109270779A (en) * | 2018-11-27 | 2019-01-25 | 深圳市微阵技术有限公司 | Novel dynamic image projection system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018201766A1 (en) | 2018-11-08 |
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Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Patentee after: Shenzhen Guangfeng Polytron Technologies Inc Address before: 518000 Guangdong province Shenzhen Nanshan District Xili town Cha Guang road Shenzhen integrated circuit design application Industrial Park 401 Patentee before: Shenzhen Appotronics Co., Ltd. |