CN106886124B - A kind of beam splitting arrangement, light-source system and optical projection system - Google Patents
A kind of beam splitting arrangement, light-source system and optical projection system Download PDFInfo
- Publication number
- CN106886124B CN106886124B CN201510936941.0A CN201510936941A CN106886124B CN 106886124 B CN106886124 B CN 106886124B CN 201510936941 A CN201510936941 A CN 201510936941A CN 106886124 B CN106886124 B CN 106886124B
- Authority
- CN
- China
- Prior art keywords
- light
- curved surface
- area
- splitting arrangement
- beam splitter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
Abstract
The invention discloses a kind of beam splitting arrangement, light-source system and optical projection systems, wherein the beam splitting arrangement, comprising: rotation roulette；The disk of the rotation roulette includes at least first surface, the second curved surface and third curved surface；When the first surface is in light source emitting light path, the incident beam that the first surface emits light source is oriented to first direction, forms the first light beam；When second curved surface is in light source emitting light path, the incident beam that second curved surface emits light source is oriented to second direction, forms the second light beam；When the third curved surface is in light source emitting light path, the incident beam that the third curved surface emits light source is oriented to third direction, forms third light beam；Wherein, first direction, second direction and third direction are different.The present invention can effectively reduce light-source system size, and reduce cost of manufacture.
Description
Technical field
The present invention relates to optical technical field more particularly to a kind of beam splitting arrangements, light-source system and optical projection system.
Background technique
In the prior art, the light-source system of projection arrangement generallys use the excitation different-waveband of light source generation
Fluorescent material generates corresponding colourama.
The light-source system basic structure of existing projection arrangement is as shown in Figure 1a, launches excitation by excitation light source 100
Light, exciting light are irradiated on fluorescence colour wheel 400 after two-phase color mirror 200, lens 300, and fluorescence colour wheel 400 is by driving device 500
It provides power to be rotated, and the wavelength conversion material of multizone, wavelength conversion material is set on the end face of fluorescence colour wheel 400
Exciting light is converted into stimulated light.In existing light-source system as shown in Figure 1a, using two-phase color mirror 200 to excitation light source
100 light beams issued are handled, and make that treated light beam is penetrated on fluorescence colour wheel 400, generate stimulated light.Because wavelength turns material
Material is arranged on the end face of fluorescence colour wheel, and fluorescence colour wheel must be perpendicular to the propagation path of exciting light, due to iridescent wheel diameter
It is larger, it is larger using the light-source system and optical projection system size of fluorescence colour wheel, and cost of manufacture is also higher.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of beam splitting arrangement, light-source system and optical projection system, can effectively contract
Small light source system dimension, and reduce cost of manufacture.
In a first aspect, the embodiment of the invention provides a kind of beam splitting arrangements, comprising: rotation roulette；
The disk of the rotation roulette includes at least first surface, the second curved surface and third curved surface；
When the first surface is in light source emitting light path, the incident beam that the first surface emits light source is oriented to
First direction forms the first light beam；
When second curved surface is in light source emitting light path, the incident beam that second curved surface emits light source is oriented to
Second direction forms the second light beam；
When the third curved surface is in light source emitting light path, the incident beam that the third curved surface emits light source is oriented to
Third direction forms third light beam；
Wherein, first direction, second direction and third direction are different.
Second aspect, the embodiment of the invention provides a kind of light-source systems, comprising: the beam splitting arrangement, further includes: light
Light generating device and condenser optics are excited in source；
The light source, for emitting incident beam to the beam splitting arrangement, the incident beam includes at least the first excitation
Light；
Described to be excited light generating device, the first exciting light in the second light beam for absorbing the beam splitting arrangement outgoing is simultaneously
Be stimulated and generate the first stimulated light, and the third light beam for absorbing beam splitting arrangement outgoing and be stimulated generation second by
Laser；
Condenser optics, for by the optical axis and the beam splitting arrangement of the optical axis of the first stimulated light, the second stimulated light
The optical axis adjustment of first light beam of outgoing is in the same direction.
The third aspect, the embodiment of the invention provides a kind of optical projection systems, including the light-source system.
A kind of beam splitting arrangement, light-source system and optical projection system provided in an embodiment of the present invention, in the prior art because heat dissipation
The fluorescence colour wheel of the biggish rotation of volume is compared, and beam splitting arrangement of the invention is not coated with fluorescent powder, and passes through rotation roulette
First surface, the second curved surface and third curved surface will be split the incident beam that light source emits by way of reflection, so
It can reduce the diameter of beam splitting arrangement；When in the display product that beam splitting arrangement is applied to light-source system or application light-source system,
Be conducive to light-source system and show the miniaturization of product.In addition, passing through one for the light-source system of this beam splitting arrangement of application
The beam splitting arrangement of a small size sequentially at least separates the incident beam that light source emits in three directions, all directions setting
Fluorescent powder disk or dispersing element, avoid using rotation fluorescence colour wheel, because the fluorescence colour wheel of rotation need to radiate general volume compared with
Greatly, manufacture difficulty is higher, and therefore, the present invention can reduce the size of light-source system, also can reduce cost of manufacture.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon:
Fig. 1 a is the light-source system structure chart of projection arrangement in the prior art；
Fig. 1 b is the structure chart for the beam splitting arrangement that the embodiment of the present invention one provides；
Fig. 1 c is the structure chart when beam splitting arrangement that the embodiment of the present invention one provides is in light source emitting light path；
Fig. 1 d is the sectional view for the beam splitting arrangement disk that the embodiment of the present invention one provides；
Fig. 1 e is the structure chart when first surface is in light source emitting light path that the embodiment of the present invention one provides；
Fig. 1 f is emitted at the incidence point of incident beam light source on the first surface of the offer of the embodiment of the present invention one
The reflected light path figure of incident beam；
Fig. 1 g is the structure chart when the second curved surface is in light source emitting light path that the embodiment of the present invention one provides；
Fig. 1 h is emitted at the incidence point of incident beam light source on the second curved surface of the offer of the embodiment of the present invention one
The reflected light path figure of incident beam；
Fig. 1 i is the structure chart when third curved surface is in light source emitting light path that the embodiment of the present invention one provides；
Fig. 1 j is emitted at the incidence point of incident beam light source on the third curved surface of the offer of the embodiment of the present invention one
The reflected light path figure of incident beam；
Fig. 1 k is first surface, the second curved surface and third surface area ratio in the beam splitting arrangement of the offer of the embodiment of the present invention one
The asynchronous structure chart of example；
Fig. 2 is a kind of structure chart of light-source system provided by Embodiment 2 of the present invention；
Fig. 3 a is a kind of structure chart for light-source system that the embodiment of the present invention three provides；
Fig. 3 b is the relational graph for the first beam splitter transmissivity T and light wavelength lambda that the embodiment of the present invention three provides；
Fig. 3 c is the second beam splitter structure chart that the embodiment of the present invention three provides；
Fig. 3 d be the second beam splitter that the embodiment of the present invention three provides first area film be anti-red indigo plant reveal the green film when its
The relational graph of transmissivity and optical wavelength；
Fig. 3 e is the second area film transmissivity for the second beam splitter that the embodiment of the present invention three provides and the pass of optical wavelength
System's figure；
Fig. 3 f is the part-structure figure for another light-source system that the embodiment of the present invention three provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
In description, only some but not all contents related to the present invention are shown in the drawings.
Embodiment one
Fig. 1 b is a kind of structure chart for beam splitting arrangement that the embodiment of the present invention one provides, as shown in Figure 1 b, the beam splitting
Device includes: rotation roulette 101.
In the present embodiment, the rotation roulette 101 is on the emitting light path of light source, according to the design need of light direction
It wants, the disk of rotation roulette 101 is obliquely installed whole relative to light source emergent light, not due to curvature of curved surface each on rotation roulette
Together, the angle between light is preferably projected with the axis of rotation roulette 101 and light source and defines rotation roulette relative to emergent light
The inclined degree of line, for example purposes, the present embodiment, which chooses above-mentioned angle and is 45 °, is illustrated technical solution of the present invention, when
Right this angle selection is only the restriction not constituted to technical solution of the present invention protection scope of illustrating, the light derived from rotation roulette
It is selected under the premise of can not be effectively guide-lighting by each disk of light source interference and guarantee rotation roulette in subsequent processing optical path
The angular range taken is all acceptable.Rotation roulette is rotated (shown in Fig. 1 c) by the driving of power device 102, rotating wheel
The speed of disk 101, which can according to need, to be adjusted, and power device is preferably motor.The fluorescence colour wheel rotated in the prior art needs
The general volume that radiates is larger, and the beam splitting arrangement is not coated with fluorescent powder, it is thereby possible to reduce rotation roulette in beam splitting arrangement
101 diameter, and the diameter of rotation roulette 101 is slightly larger than the diameter of motor, so, the size of beam splitting arrangement can be significantly
Reduce.As shown in Figure 1 b, the disk of rotation roulette includes at least first surface 1011, the second curved surface 1012 and third curved surface
1013。
As shown in fig. 1b and fig. lc, when the first surface 1011 is in 103 emitting light path of light source, the first surface
1011 incident beams for emitting light source 103 form the first light beam 11 by reflection guiding first direction；When second curved surface
1012 when being in 103 emitting light path of light source, and incident beam that second curved surface 1012 emits light source 103 passes through reflection guiding
Second direction forms the second light beam 12；When the third curved surface 1013 is in 103 emitting light path of light source, the third curved surface
1013 incident beams for emitting light source 103 form third light beam 13 by reflection guiding third direction；Wherein, first direction,
Second direction and third direction are different.The rotation roulette can be made in such a way that glass is molded, cost
Low, producing efficiency is high.
In the present embodiment, the curvature of the curvature of first surface, the curvature of the second curved surface and third curved surface is different.
For example, the section in the section of first surface 1011,1012 section of the second curved surface and third curved surface 103 is as shown in Figure 1 d, each song
The curvature in face is different.Wherein the curvature of each curved surface can change to adjust the exit direction of each light beam, and first surface,
The cross sectional shape and quality of second curved surface and third curved surface also can change so that rotation roulette meets the requirement of rotary balance.For
It avoids being radiated at the exciting light light beam on Wavelength converter to concentrate on a point for a long time, causes wavelength conversion material i.e.
Fluorescent powder decrease in efficiency, the present invention set at least one curved surface therein to the structure of gradual change, conveniently exciting light are allowed to exist
The light in-plane moving of Wavelength converter, movement refers to that the curved surface passes through reflection guiding in the course of rotation at this
The light of Wavelength converter moves on the light-receiving surface of Wavelength converter, which is the face for covering fluorescent powder.When
The face of gradual change also can be set into other right curved surfaces, for the light beam by scattering device, in the light of scattering device
Face moves back and forth, and helps to eliminate speckle.
Specifically, in the present embodiment, when the disk of rotation roulette includes first surface as shown in Figure 1 d, the second curved surface
With third curved surface, and the axis of rotation roulette and light source project the angle between light when being 45 degree, as shown in fig. le, described
First surface 1011, the second curved surface 1012 and third curved surface 1013 are separated from one another by spoke 1014.Rotation roulette 101 is dynamic
It is rotated clockwise under the driving of power device (not shown) along axis, if the swing circle of rotation roulette 101 is T.Work as rotation
When the first surface 101 of runner disk 101 is in the emitting light path of light source 103, because of the rotation of rotation roulette 101, light source 103 emits
Incident beam 10 out is successively incident on the different position of first surface 1011 of rotation roulette 101.As shown in Figure 1 f, first
Incident beam 10 is reflected into first direction at the incidence point of incident beam by curved surface 1011, forms the first light beam 11, incident light
Normal 14 between beam 10 and the first light beam 11 is the radius of circle where first surface 1011.As shown in fig. le, due to rotating wheel
Disk 101 constantly rotates, and the position of light source 103 is constant, and position different on first surface 1011 is made to be in the outgoing of light source 103
In optical path.Therefore, the position of incidence point of the incident beam 10 on first surface 1011 is different, these incidence points are in first surface
1/3 annular 1015 is formed in 1011.
As shown in Figure 1 g, due to the continuous rotation of rotation roulette 101, first surface 1011 has been not at light source 103
On emitting light path, the second curved surface 1012 is on the emitting light path of light source 103, and the incident beam 10 that light source 103 emits successively enters
It is mapped on the different position of the second curved surface 1012 of rotation roulette 101.As shown in figure 1h, the second curved surface 1012 is in incident beam 10
Incidence point at incident beam 10 is reflected into second direction, form the second light beam 12, incident beam 10 and the second light beam 12 it
Between normal 15 be the second curved surface 1012 where circle a wherein radius.Similarly, incident beam is on the second curved surface 1012
Incidence point forms 1/3 annular 1016 (shown in Fig. 1 g).
Second light beam 12 passes through the time of T/3 after being formed, the second curved surface 1012 of rotation roulette 101 has been no longer on
In the input path of light source 103.At this point, as shown in figure 1i, third curved surface 1013 is on the emitting light path of light source 103, due to
The rotation of rotation roulette 101, the incident beam 10 that light source 103 emits successively are incident on the third curved surface 1013 of rotation roulette 101
On different positions.As shown in fig. ij, incident beam 10 is reflected by third curved surface 1013 at the incidence point of incident beam 10
On third direction, third light beam 13 is formed, wherein the normal 16 between incident beam 10 and third light beam 13 is third curved surface
A wherein radius for circle where 1013.Similarly, incidence point of the incident beam 10 on third curved surface 1013 forms 1/3 annular
1017 (shown in Fig. 1 j).
In conclusion as shown in fig. ij, due to the rotation of rotation roulette 101, incident beam 10 is in 101 disk of rotation roulette
On incidence point (incident beam is in first surface, the incidence point of the second curved surface and third curved surface) formed an annular, wherein ring
The radius of shape can be adjusted.
In this embodiment, the area ratio of the area of first surface, the area of the second curved surface and third curved surface can be according to need
It is adjusted, it is assumed that the rotation speed of rotation roulette is certain, when the first light beam of needs, the second light beam and third light beam exist respectively
It, can be by the area of first surface, the area of the second curved surface and third when shared ratio is identical in light beam derived from rotation roulette
The area ratio of curved surface is arranged to identical.When the first light beam of needs, the second light beam and third light beam are exported in rotation roulette respectively
Light beam in shared ratio it is not identical when, can be by the area of first surface, the area of the area of the second curved surface and third curved surface
Ratio setting is not at identical.For example, as shown in figure 1k, the area that the area of third curved surface 1013 is greater than first surface 1011 is also big
In the area of the second curved surface 1012, then the light beam of 1013 guiding out light source of third curved surface transmitting and the ratio of third light beam that is formed compared with
Greatly.
In order to which the beam uniformity for allowing beam splitting arrangement to be emitted is more preferable, at least one curved surface of rotation roulette can be arranged to
Scattered reflection face is scattered the light beam for being incident on the curved surface to improve the uniformity that beam splitting arrangement goes out light.Such as it subsequent answers
With in the light-source system of the beam splitting arrangement, for being scattered without the blue laser of fluorescent powder, it may be convenient to eliminate blue
The coherence of color laser.This beam splitting arrangement each curved surface can also be all arranged in scattered reflection curved surface, such as subsequent optical path such as
Fruit is used for excitated fluorescent powder to the light beam that beam splitting arrangement is emitted, then being distributed on fluorescent powder by the light out of scattered reflection curved surface can
More evenly, to be conducive to improve fluorescent powder launching efficiency.Reflective scattering surface can be used to make for scattered reflection, such as
Reflective scatterer (Diffuser) is also possible to that scattering material is arranged on reflecting curved surface to be formed.
It should be noted that the disk that the embodiment of the present invention illustratively describes rotation roulette includes three curved surfaces, it will
The beam splitter of light source transmitting is the implementation of the first light beam, the second light beam and third light beam (shown in Fig. 1 b and Fig. 1 c), when
Aforesaid way realizes the specific manifestation form of process only for convenience of the description embodiment of the present invention, and the embodiment of the present invention is to rotation roulette
Disk include curved surface quantity with no restriction, can according to need the song that the disk of rotation roulette is arranged to respective numbers
Face, and the curvature of each curved surface is different.
It should be noted that illustratively illustrating that a certain specific position of first surface enters light source transmitting in Fig. 1 f
The reflection condition of irradiating light beam, but due to the rotation of rotation roulette, make the annular region (shown in Fig. 1 e) on first surface not
With at the time of can be on the emitting light path of light source, so different location (Fig. 1 e in the annular region on first surface
It is shown) incident beam of light source transmitting can be reflected, the index path of reflection is identical as Fig. 1 f, therefore the first light beam
In all light direction it is identical.Similarly, Fig. 1 h and Fig. 1 j is also a kind of example respectively.It is corresponding when curved surface is in grading structure
Beam exit angle in a certain range, which is determined with the light-receiving surface of Wavelength converter.
It should be noted that illustratively rotating clockwise rotation roulette along axis in the present embodiment, but revolve
Runner disk will can also be rotated counterclockwise along axis as needed, and the revolving speed of rotation roulette can according to need progress
Adjustment.Also, pass through the continuous rotation of rotation roulette, forming the first light beam, the second light beam and third light beam has timing, leads to
Cross change rotation roulette direction of rotation also it is adjustable formed the first light beam, the second light beam and third light beam timing.
The embodiment of the invention provides a kind of beam splitting arrangement, and in the prior art because needing the glimmering of the biggish rotation of heat dissipating mass
Photochromic wheel is compared, and beam splitting arrangement of the invention is not coated with fluorescent powder, and by the first surface of rotation roulette, the second curved surface and
Third curved surface will be split the incident beam that light source emits by way of reflection, so that the diameter of beam splitting arrangement can be with
Reduce, the diameter of beam splitting arrangement can be slightly larger than the diameter of the motor of driving beam splitting arrangement rotation, therefore, the size of beam splitting arrangement
Substantially reduce, when in the display product that beam splitting arrangement is applied to light-source system or application light-source system, is conducive to light-source system
With the miniaturization of display product, and incident beam emit light source by beam splitting arrangement is sequentially at least separated three sides
Upwards, be conducive to the control to light-source system emergent light, and reduce cost of manufacture.
Embodiment two
Fig. 2 is a kind of structure chart of light-source system provided by Embodiment 2 of the present invention；As shown in Fig. 2, the light source system
System includes: beam splitting arrangement 201 described in above-described embodiment；Further include: light source 202 is excited light generating device 203 and light-gathering optics
Device 204.
Wherein, the light source 202, for the beam splitting arrangement 201 emit incident beam 20, the incident beam 20 to
It less include the first exciting light.Wherein, light source 202 may include a laser, emits the exciting light of single color, also can wrap
Multiple lasers are included, the exciting light of multiple color is emitted, form incident beam 20.
It is described to be excited light generating device 203, for absorbing first in the second light beam 22 that the beam splitting arrangement 201 is emitted
Exciting light is simultaneously stimulated and generates the first stimulated light, and for absorb third light beam 23 that the beam splitting arrangement 201 is emitted and by
Excitation generates the second stimulated light.In the present embodiment, being excited light generating device 203 is preferably fluorescent powder disk, wherein fluorescent powder disk
It can be one, and at least be coated with the fluorescent powder of two kinds of colors on fluorescent powder disk.Fluorescent powder disk may be multiple, each fluorescence
A kind of fluorescent powder of color is coated on powder disk.Since beam splitting arrangement separates light beam, fluorescent powder disk does not need to revolve again
Turn, therefore avoid using fluorescence colour wheel, so effectively reduces the size of the light-source system.
Condenser optics 204, for filling the optical axis of the optical axis of the first stimulated light, the second stimulated light and the beam splitting
Set the optical axis adjustment of the first light beam of 201 outgoing in the same direction.Wherein, condenser optics 204 can be multiple optics
Element a, or optical element.
The course of work of above-mentioned system is as follows: as shown in Fig. 2, light source 202 emits incident beam to beam splitting arrangement 201
20, incident beam 20 includes at least the first exciting light, and the incident beam that light source 202 emits is individually directed three by beam splitting arrangement 201
A direction is respectively formed the first light beam 21, the second light beam 22 and third light beam 23.Wherein, the first light beam 21 injects light-gathering optics
First light beam 21 is oriented to exit direction by device 204, condenser optics 204.Second light beam 22 and third light beam 23 are penetrated respectively
Enter to be excited light generating device 203, is excited the first exciting light in the second light beam 22 of absorption of light generating device 203 and the generation that is stimulated
First stimulated light, and absorb third light beam 23 and the second stimulated light of generation that is stimulated that the beam splitting arrangement 201 is emitted.First
Stimulated light and the second stimulated light are oriented to exit direction through condenser optics 204 respectively.
A kind of light-source system is present embodiments provided, is by the incident beam beam splitting that light source emits by using beam splitting arrangement
First light beam, the second light beam and third light beam, and three light beams is made to play different effects in the light-source system, it keeps away
Exempt to reduce the size of light-source system, and obtain the color of light-source system emergent light and timing using fluorescence colour wheel
Preferably control reduces cost of manufacture.
Embodiment three
Fig. 3 a is a kind of structure chart for light-source system that the embodiment of the present invention three provides, as shown in Figure 3a, the system packet
It includes: beam splitting arrangement 301；Further include: light source 302 is excited light generating device and condenser optics.
Light source 302, for emitting incident beam to the beam splitting arrangement 301.In the present embodiment, the light source preferably wraps
Include first light source 3021 and second light source 3022.The first light source 3021, for persistently emitting the first exciting light；So that first
Exciting light is incident on the first surface, the second curved surface and third curved surface of the rotation roulette disk of the beam splitting arrangement 301.It is described
Second light source 3022 is used for periodical launch second laser, so that second laser is incident on the rotating wheel of the beam splitting arrangement 301
On second curved surface of disk.Wherein second light source 3022 emits turn of the period of second laser and the rotation roulette of beam splitting arrangement 301
Speed is related to the factors such as the area of the second curved surface.First light source 3021 is preferably blue laser, and second light source 3022 is preferably
Red laser, therefore the first exciting light and second laser are respectively blue laser and red laser.
Wherein, first exciting light and second laser form incident beam；Second curved surface is respectively by the first excitation
Light and second laser are oriented to second direction, to form the second light beam 32；The first surface excites light directing first party for first
To form the first light beam 31, the third curved surface excites light directing third direction for first, to form third light beam 33.Cause
The curvature of first surface, the curvature of the second curved surface are different with the curvature of third curved surface, and each curved surface guarantees that the direction of normal is opposite
In the incidence point rotational symmetry of incident beam, so that the rotation roulette of beam splitting arrangement is during rotation, each camber reflection light
Angle be consistent.
On the basis of the above embodiments, the light generating device of being excited preferably includes: first wave length conversion equipment 3031
With second wave length conversion equipment 3032, wherein first wave length conversion equipment 3031 is emitted for absorbing the beam splitting arrangement 301
The second light beam 32 in the first exciting light 321 and be stimulated and generate the first stimulated light and for beam splitting arrangement 301 to be emitted
The second light beam 32 in second laser be oriented to condenser optics.In the present embodiment, first wave length conversion equipment 3031 will
First stimulated light and second laser are reflected respectively, it is made to be incident on condenser optics respectively.
Second wave length conversion equipment 3032, for absorbing the third light beam 33 of the outgoing of beam splitting arrangement 301 and being stimulated
Generate the second stimulated light.Wherein, the first wave length conversion equipment 3031 is yellow or amber fluorescent powder disk；Second wave
Long conversion equipment 3032 is green emitting phosphor disk.First stimulated light be yellow fluorescence or amber fluorescence, described second by
Laser is green fluorescence.
On the basis of the above embodiments, the condenser optics include: the first reflecting mirror 3041, the second reflecting mirror
3042, the first beam splitter 3043 and the second beam splitter 3044.
Wherein, first reflecting mirror 3041, the first light beam 31 for beam splitting arrangement 301 to be emitted reflect；Institute
The second reflecting mirror 3042 is stated, the first light beam for reflecting the first reflecting mirror 3041 reflects again, so that the first light beam
Into the first beam splitter 3043.
First beam splitter 3043, the first light beam 31 for reflecting the second reflecting mirror 3042 are oriented to outgoing side
To.First beam splitter 3043 be coated with anti-blue red partial veil thoroughly (plated film of the first beam splitter 3043 is not limited to this mode,
The plated film mode of the anti-red green band of light of blue wave band light transmission is only used as example for illustrating the mode of this programme adjustment light beam,
Plated film attribute can be designed in conjunction with the needs of the second beam splitter 3044 and light direction)；Fig. 3 b is the first beam splitter
The relational graph of transmissivity T and light wavelength lambda, as shown in Figure 3b, since the dominant wavelength of blue laser is about 445nm, wavelength period
It is relatively narrow, therefore the rising edge of transmissivity T can be within the scope of 460-500nm.Because being the first exciting light in the first light beam, first swashs
It shines as blue laser, so when the first light beam is incident on the first beam splitter 3043, the first beam splitter 3043 can will
First light beam is reflected, and projects the first light beam along exit direction.
Second beam splitter 3044, the second light beam 32 guiding first wave length for beam splitting arrangement 301 to be emitted turn
Changing device 3031；The first stimulated light that first wave length conversion equipment 3031 generates is divided member through the second beam splitter 3044, first
Part 3043 is oriented to exit direction；The guiding of third light beam 33 second that beam splitting arrangement 301 is emitted by second beam splitter 3044
Wavelength converter 3032；The second stimulated light that the second wave length device 3032 generates is through the second beam splitter 3044, first
Beam splitter 3043 is oriented to exit direction.
As shown in Figure 3c, second beam splitter 3044 includes diaphragm 3045, and the diaphragm 3045 includes first area
3046 and second area 3047, it is coated with first area film and second area respectively on first area 3046 and second area 3047
Film；The first area film is that anti-red indigo plant reveals the green film or total reflection film, and the second area film is the saturating red anti-partial veil of indigo plant.Described
One region 3046 is the central area of diaphragm, and the second area 3047 is region of the diaphragm in addition to first area.
Fig. 3 d be first area film be anti-red indigo plant reveal the green film when its transmissivity and optical wavelength relational graph, when the on diaphragm
One region film be anti-red indigo plant reveal the green film when, as shown in Figure 3d, the rising edge of first area film transmissivity T can be in 480-500nm
In range, failing edge can be within the scope of 580-600nm, and can transmit green light.Fig. 3 e be second area film transmissivity with
The relational graph of optical wavelength；As shown in Figure 3 e, the failing edge of the transmissivity T of second area film can within the scope of 480-500nm, on
It rises along can be within the scope of 580-600nm.Because the second light beam is blue laser and red laser, the first stimulated light is yellow fluorescence
Or amber fluorescence, the second stimulated light are green fluorescence, so, the first area 3046 of the second beam splitter 3044 can be by the
Two light beams 32 are oriented to first wave length conversion equipment 3031；Second area 3047 can be excited the first beam splitter of light directing for first
3043, third light beam 33 is oriented to second wave length conversion equipment 3032 and is excited the first beam splitter of light directing for second
3043。
In the present embodiment, as shown in Figure 3a, the second laser 322 in the second light beam 32 is through the second beam splitter 3044
First area is oriented to first wave length conversion equipment 3031, the second laser difference through 3031 scattered reflection of first wave length conversion equipment
Second area, the first beam splitter 3043 through the second beam splitter 3044 are oriented to exit direction.
On the basis of the above embodiments, as shown in Figure 3a, the system also includes the first lens 305, disperser
306, the second lens 307, the third lens 308, the 4th lens 309 and dodging device 310；
First lens 305 are set between beam splitting arrangement 301 and condenser optics, for respectively by beam splitting arrangement
The first light beam 31, the second light beam 32 and the third light beam 33 of 301 outgoing are collimated.Disperser 306, for reflecting first
The first light beam that mirror 3041 reflects is diffused.Second lens 307, the first light beam for reflecting the second reflecting mirror 3042 into
Row collimation.The third lens 308, for the second light beam derived from the second beam splitter 3044 to be focused on first wave length conversion equipment
3031.4th lens 309, for third light beam derived from the second beam splitter 3044 to be focused on second wave length conversion equipment
3032；Dodging device 310, for derived first stimulated light, the second stimulated light, second to swash respectively to the first beam splitter 3043
Light and the first light beam carry out even light.Wherein, in order to preferably realize that even light, dodging device preferably include the first even optical element
3101 and the second even optical element 3102, to the first beam splitter 3043 export the first stimulated light, the second stimulated light, second laser with
And first light beam carry out even light twice.
Above-mentioned system forms primaries, and detailed process is as follows: as shown in Figure 3a, first light source 3021 persistently emits
First exciting light, 3022 periodical launch second laser of second light source, wherein the first exciting light and second laser respectively blue
Laser and red laser.First exciting light is incident on the first surface of the rotation roulette of beam splitting arrangement 301, the second curved surface and third
On curved surface, and second laser is incident on the second curved surface of the rotation roulette of beam splitting arrangement 301.
The rotation roulette of beam splitting arrangement 301 is rotated under the action of power device 3011, wherein rotation roulette it is straight
Diameter can be slightly larger than the size of power device 3011, effectively reduce the size of light-source system.When the first surface is in light source
When emitting light path, the first excitation light directing first direction that the first surface emits first light source 3021 forms the first light
Beam 31；When second curved surface is in light source emitting light path, what second curved surface emitted first light source 3021 first swashs
It shines and the second laser of the transmitting of second light source 3022 is oriented to second direction, form the second light beam 32；At the third curved surface
When light source emitting light path, the first excitation light directing third direction that the third curved surface emits first light source 3021 is formed
Third light beam 33.Wherein, scattering material is coated on rotation roulette surface, it is possible to reduce the speckle phenomena of laser can also improve
Exciting light is incident on the uniformity of first wave length conversion equipment or second wave length conversion equipment.
First light beam is reflected into disperser 306 through the first reflecting mirror 3041 after the first lens 305 collimation, spreads
Device 306 is reflected into the second lens 307 through the second reflecting mirror 3042 for after the first beam spread, collimates through the second lens 307
Enter the first beam splitter 3043 afterwards；Because being coated with anti-blue red partial veil thoroughly, the first beam splitter 3043 on the first beam splitter 3043
The first light beam after the second lens 307 capable of being collimated reflects, and projects the first light beam along exit direction, forms first and goes out
Penetrate light.First emergent light projects after the first dodging device 3101 and the second dodging device 3102 carry out dodging.Wherein,
Disperser 306 can disperse the optical path of the first light beam, and the emergent light of the first light beam can be made to play dissipation when being projected
The effect of spot.
Second light beam (the first exciting light and second laser) injects the second beam splitter after the first lens 305 collimation
3044 central area is coated with first area film on central area, because first area film is that anti-red indigo plant reveals the green film or the film that is all-trans, therefore
Second beam splitter reflects the second light beam, is incident upon on the second lens 308, and the second lens 308 are by the second light beam
It focuses on first wave length conversion equipment 3031, yellow or amber fluorescent powder is coated on first wave length conversion equipment 3031,
Yellow or amber fluorescent powder absorb the first exciting light in the second light beam, generate the first stimulated light, i.e. yellow fluorescence or amber
Amber color fluorescence；3031 pairs of Wavelength converter incident second lasers are scattered and are reflected second laser.Yellow fluorescence or
After amber fluorescence and the second laser reflected are mixed, the red light for having both colour purity and brightness is formed.Because of second
Laser is red laser, after second laser and sodium yellow or the amber light mixing reflected, can be improved the pure of red light
Degree and brightness.Mixed red light is incident on the second area of the second beam splitter 3044, because second area is coated with red indigo plant
Anti- partial veil, through the transmission of the second area of the second beam splitter 3044, again after the transmission of the first beam splitter 3043 along exit direction
It projects, forms the second emergent light.Second emergent light carries out after the first dodging device 3101 and the even light of the second dodging device 3102
Outgoing.
Third light beam injects the second area of the second beam splitter 3044, because of second area after the first lens 305 collimation
It is equipped with second area film, second area film is the saturating red anti-partial veil of indigo plant, therefore third light beam is penetrated through the second beam splitter 3044
Enter onto the 4th lens 309, focuses on third light beam on second wave length conversion equipment 3032 through the 4th lens 309, the second wave
Long conversion equipment 3032 absorbs third light beam, generates the second stimulated light, glimmering because being coated with green on second wave length conversion equipment 3032
Light powder, the second stimulated light are green fluorescence, and the green fluorescence of generation emits diffusing reflection on second wave length conversion equipment 3032, returns
Retroeflection enters the 4th lens 309, after the 4th lens 309 collimation, injects on the second area of the second beam splitter 3044, green is glimmering
Light is reflected through the second beam splitter 3044, is projected after the transmission of the first beam splitter 3043 along exit direction, forms third emergent light.
Third emergent light is emitted after the first dodging device 3101 and the even light of the second dodging device 3102.
Therefore, by above-mentioned light-source system, Red Green Blue light is produced, wherein the first emergent light is blue
Laser, the second emergent light are red laser and sodium yellow or amber light is mixed to form red light, third emergent light are green
Light.Sodium yellow or amber light can be improved the colour purity and brightness of the red light of outgoing, improve light-source system entirety
Light efficiency.
In the present embodiment, the area of the first surface of beam splitting arrangement, the second curved surface and third curved surface can be according to first
Red, green, blue (RGB) ratio in mixed light that emergent light, the second emergent light and third emergent light are formed is adjusted.For example,
When the area change of the second curved surface, the second light beam (the first exciting light and second laser) outgoing beam derived from beam splitting arrangement
In shared ratio also change.When the area change of the area of first surface, the first light beam is exported in beam splitting arrangement
Outgoing beam in shared ratio also change.It is bent by the first surface, the second curved surface and third that control beam splitting arrangement
The ratio of the area in face, thus it is possible to vary the RGB ratio for the mixed light that the first emergent light, the second emergent light and third emergent light are formed
Example brings richer colour gamut to select for optical projection system.
It should be noted that illustratively use in the present embodiment first wave length conversion equipment by the first stimulated light and
Second laser is reflected, it is made to respectively enter the implementation of condenser optics, it is also possible to be turned using first wave length
Changing device transmits the first stimulated light and second laser, it is made to respectively enter the implementation of condenser optics.In addition,
Second wave length conversion equipment can also transmit the second stimulated light, and the second stimulated light is made to enter condenser optics.
It should be noted that illustratively using the second beam splitter in the present embodiment to the second light beam and third light
Beam is reflected respectively and is transmitted implementation, it is also possible to be divided using the second beam splitter the second light beam and third light beam
The implementation for not transmitted and being reflected, for example, as illustrated in figure 3f, when the first area of the second beam splitter 3044 is coated with
The red anti-partial veil of indigo plant, second area is coated with when being all-trans film, and the second light beam 32 is after 3044 first area of the second beam splitter transmits, warp
The third lens 308 focus on first wave length conversion equipment 3031, the first stimulated light that first wave length conversion equipment 3031 generates and
Second laser in second light beam is reflected after the collimation of the third lens 308 by the second area of the second beam splitter 3044.Third
Light beam 33 is reflected through 3044 second area of the second beam splitter, the 4th lens 309 focus and enter second wave length conversion equipment 3032,
The second stimulated light that second wave length conversion equipment 3032 generates is after the 4th lens 309 collimation, by the second beam splitter 3044
Second area transmission.
Similarly, the embodiment of the present invention illustratively uses the first beam splitter to the first light beam, the first stimulated light, second
The implementation that stimulated light, the second laser reflected are reflected respectively, transmitted, transmitted, transmitted, but the first beam splitter
The optical treatment form of the first light beam, the first stimulated light, the second stimulated light, the second laser reflected is not limited to respectively
This, can need to distinguish the first light beam, the first stimulated light, the second stimulated light, the second laser reflected according to optical path
It is reflected or is transmitted.
The embodiment of the invention also provides a kind of optical projection system, the optical projection system includes above-mentioned light-source system.Institute
The optical projection system stated avoids using fluorescence colour wheel because using above-mentioned light-source system, effectively reduces size.
The embodiment of the invention provides a kind of light-source system and optical projection systems, by using the emitting light source of beam splitting arrangement
Incident beam beam splitting be the first light beam, the second light beam and third light beam, pass through the second beam excitation first wave length conversion equipment
Formed the first stimulated light, by third beam excitation second wave length conversion equipment formed the second stimulated light, the first light beam, first by
Laser and the second stimulated light are exported through condenser optics, are formd red, turquoise primaries, are improved the light of light-source system
Effect.And it avoids using fluorescence colour wheel due to using beam splitting arrangement and fluorescent powder disk in light-source system, effectively reduces light
The size of source system.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (12)
1. a kind of beam splitting arrangement characterized by comprising rotation roulette；
The disk of the rotation roulette includes at least first surface, the second curved surface and third curved surface；
When the first surface is in light source emitting light path, the incident beam that the first surface emits light source is oriented to first
Direction forms the first light beam；
When second curved surface is in light source emitting light path, the incident beam that second curved surface emits light source is oriented to second
Direction forms the second light beam；
When the third curved surface is in light source emitting light path, the incident beam that the third curved surface emits light source is oriented to third
Direction forms third light beam；
Wherein, first direction, second direction and third direction are different.
2. the apparatus according to claim 1, which is characterized in that the curvature of the first surface, the curvature of the second curved surface with
And the curvature of third curved surface is different.
3. the apparatus according to claim 1, which is characterized in that the area of the first surface, the second curved surface area and
The area ratio of third curved surface is adjustable.
4. device according to any one of claims 1 to 3, which is characterized in that the first surface, the second curved surface and third
Curved surface at least one curved surface therein is scattered reflection face.
5. a kind of light-source system characterized by comprising beam splitting arrangement according to any one of claims 1-4；Further include:
Light source is excited light generating device and condenser optics；
The light source, for emitting incident beam to the beam splitting arrangement, the incident beam includes at least the first exciting light；
It is described to be excited light generating device, for absorbing the first exciting light in the second light beam that the beam splitting arrangement is emitted and being excited
Hair generates the first stimulated light, and the third light beam for absorbing beam splitting arrangement outgoing and the generation second that is stimulated are excited
Light；
Condenser optics, for the optical axis of the optical axis of the first stimulated light, the second stimulated light and the beam splitting arrangement to be emitted
The first light beam optical axis adjustment in the same direction.
6. system according to claim 5, which is characterized in that the light generating device of being excited includes:
First wave length conversion equipment generates the first stimulated light for absorbing the first exciting light in the second light beam and being stimulated；
Second wave length conversion equipment generates the second stimulated light for absorbing third light beam and being stimulated.
7. system according to claim 6, which is characterized in that
The first wave length conversion equipment is yellow or amber fluorescent powder disk；The second wave length conversion equipment is green fluorescence
Powder disk.
8. system according to claim 6 or 7, which is characterized in that the condenser optics include: the first reflecting mirror,
Second reflecting mirror, the first beam splitter and the second beam splitter；
First reflecting mirror, the first light beam for beam splitting arrangement to be emitted reflect；
Second reflecting mirror, the first light beam for reflecting first reflecting mirror reflect so that the first light beam into
Enter the first beam splitter；
First beam splitter, the first beam direction exit direction for reflecting the second reflecting mirror；
Second beam splitter, the second beam direction first wave length conversion equipment for beam splitting arrangement to be emitted；First wave
The first stimulated light that long conversion equipment generates is oriented to exit direction through the second beam splitter, the first beam splitter；
The third beam direction second wave length conversion equipment that beam splitting arrangement is emitted by second beam splitter；The second wave length
The second stimulated light that device generates is oriented to exit direction through the second beam splitter, the first beam splitter.
9. system according to claim 8, which is characterized in that
First beam splitter is coated with anti-blue red partial veil thoroughly；
Second beam splitter includes diaphragm, and the diaphragm includes first area and second area, first area and the secondth area
First area film and second area film are coated on domain respectively；The first area film is that anti-red indigo plant reveals the green film or total reflection film, institute
Stating second area film is the saturating red anti-partial veil of indigo plant；
The first area is the central area of diaphragm, is used for the second beam direction first wave length conversion equipment；
The second area is region of the diaphragm in addition to first area, for being excited the first beam splitter of light directing for first；
By third beam direction second wave length conversion equipment；The first beam splitter of light directing is excited by second.
10. system according to claim 9, which is characterized in that the light source includes:
First light source, for persistently emitting the first exciting light；So that the first exciting light is incident on the rotating wheel of the beam splitting arrangement
On the first surface of disk disk, the second curved surface and third curved surface；
Second light source is used for periodical launch second laser, so that second laser is incident on the rotation roulette of the beam splitting arrangement
The second curved surface on；
Wherein, first exciting light and second laser form incident beam；Second curved surface respectively by the first exciting light and
Second laser is oriented to second direction, to form the second light beam；The first surface excites light directing first direction for first, with shape
At the first light beam, the third curved surface excites light directing third direction for first, to form third light beam；
Second laser in second light beam is oriented to first wave length conversion equipment through the first area of the second beam splitter, through first wave
Second area, first beam splitter of the second laser derived from long conversion equipment respectively through the second beam splitter are oriented to outgoing side
To.
11. system according to claim 10, which is characterized in that further include: the first lens, disperser, the second lens,
The third lens, the 4th lens and dodging device；
First lens are set between beam splitting arrangement and condenser optics, for respectively by the first of beam splitting arrangement outgoing
Light beam, the second light beam and third light beam are collimated；
Disperser, the first light beam for reflecting the first reflecting mirror are diffused；
Second lens, the first light beam for reflecting the second reflecting mirror collimate；
The third lens, for the second light beam derived from the second beam splitter to be focused on first wave length conversion equipment；
4th lens, for third light beam derived from the second beam splitter to be focused on second wave length conversion equipment；
Dodging device, for the first beam splitter derived first stimulated light, the second stimulated light, second laser and the respectively
One light beam carries out even light.
12. a kind of optical projection system, which is characterized in that including the light-source system as described in claim 5-11 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510936941.0A CN106886124B (en) | 2015-12-16 | 2015-12-16 | A kind of beam splitting arrangement, light-source system and optical projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510936941.0A CN106886124B (en) | 2015-12-16 | 2015-12-16 | A kind of beam splitting arrangement, light-source system and optical projection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106886124A CN106886124A (en) | 2017-06-23 |
| CN106886124B true CN106886124B (en) | 2019-02-01 |
Family
ID=59174134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510936941.0A Active CN106886124B (en) | 2015-12-16 | 2015-12-16 | A kind of beam splitting arrangement, light-source system and optical projection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106886124B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315311B (en) * | 2017-08-11 | 2019-09-20 | 青岛海信电器股份有限公司 | Light source module group and laser projection |
| CN109491187B (en) * | 2017-09-13 | 2021-05-04 | 深圳光峰科技股份有限公司 | Wavelength conversion device, light source system and projection equipment |
| JP6819910B2 (en) * | 2018-01-09 | 2021-01-27 | カシオ計算機株式会社 | Light source device and projection device |
| US11057595B2 (en) * | 2019-02-08 | 2021-07-06 | Texas Instruments Incorporated | Projection on multiple planes using a single projection unit |
| CN111856859B (en) * | 2019-04-24 | 2023-03-10 | 深圳光峰科技股份有限公司 | Light source system and display device |
| CN113156750A (en) * | 2020-01-07 | 2021-07-23 | 深圳光峰科技股份有限公司 | Light source structure, color wheel and projection device |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB683907A (en) * | 1949-03-29 | 1952-12-10 | Edgar Gretener | Illumination systems for the projection of lenticulated film |
| GB1174881A (en) * | 1967-03-06 | 1969-12-17 | Wendell S Miller | Optical Projection System |
| US3860335A (en) * | 1973-04-26 | 1975-01-14 | Rca Corp | Optical system |
| JP2001166376A (en) * | 1999-12-08 | 2001-06-22 | Sony Corp | Projection type display device |
| CN1383023A (en) * | 2001-04-27 | 2002-12-04 | 株式会社日立制作所 | Optical unit and image display using same |
| KR20030073278A (en) * | 2002-03-09 | 2003-09-19 | 엘지전자 주식회사 | Structure for fixing to Dichroic lens of Projector LCD |
| CN1503026A (en) * | 2002-11-26 | 2004-06-09 | ���ǵ�����ʽ���� | Color luminous device and method, image projection device and method |
| CN201078759Y (en) * | 2006-08-23 | 2008-06-25 | 浦比俊引特艾克堤夫科技公司 | Reality image projection apparatus with plastic curved surface mirror for enhancing image and correcting aberration |
| JP2009223268A (en) * | 2008-03-19 | 2009-10-01 | Seiko Epson Corp | Light source fixing method and projector |
| CN101971075A (en) * | 2007-12-18 | 2011-02-09 | 光处方革新有限公司 | Free-form condenser optic |
| CN103615671A (en) * | 2013-10-28 | 2014-03-05 | 吴震 | Light source |
| CN104040425A (en) * | 2012-01-12 | 2014-09-10 | 三菱电机株式会社 | Light source device and projecting display device |
| KR101469447B1 (en) * | 2014-04-30 | 2014-12-05 | 주식회사 세코닉스 | Projector |
| KR101469445B1 (en) * | 2014-04-30 | 2014-12-05 | 주식회사 세코닉스 | Projection optical system with field lens and pico projector using the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4072456B2 (en) * | 2003-05-08 | 2008-04-09 | キヤノン株式会社 | Display optical system, image display device, and image display system |
| TWI418920B (en) * | 2011-03-31 | 2013-12-11 | Young Optics Inc | Projection apparatus |
-
2015
- 2015-12-16 CN CN201510936941.0A patent/CN106886124B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB683907A (en) * | 1949-03-29 | 1952-12-10 | Edgar Gretener | Illumination systems for the projection of lenticulated film |
| GB1174881A (en) * | 1967-03-06 | 1969-12-17 | Wendell S Miller | Optical Projection System |
| US3860335A (en) * | 1973-04-26 | 1975-01-14 | Rca Corp | Optical system |
| JP2001166376A (en) * | 1999-12-08 | 2001-06-22 | Sony Corp | Projection type display device |
| CN1383023A (en) * | 2001-04-27 | 2002-12-04 | 株式会社日立制作所 | Optical unit and image display using same |
| KR20030073278A (en) * | 2002-03-09 | 2003-09-19 | 엘지전자 주식회사 | Structure for fixing to Dichroic lens of Projector LCD |
| CN1503026A (en) * | 2002-11-26 | 2004-06-09 | ���ǵ�����ʽ���� | Color luminous device and method, image projection device and method |
| CN201078759Y (en) * | 2006-08-23 | 2008-06-25 | 浦比俊引特艾克堤夫科技公司 | Reality image projection apparatus with plastic curved surface mirror for enhancing image and correcting aberration |
| CN101971075A (en) * | 2007-12-18 | 2011-02-09 | 光处方革新有限公司 | Free-form condenser optic |
| JP2009223268A (en) * | 2008-03-19 | 2009-10-01 | Seiko Epson Corp | Light source fixing method and projector |
| CN104040425A (en) * | 2012-01-12 | 2014-09-10 | 三菱电机株式会社 | Light source device and projecting display device |
| CN103615671A (en) * | 2013-10-28 | 2014-03-05 | 吴震 | Light source |
| KR101469447B1 (en) * | 2014-04-30 | 2014-12-05 | 주식회사 세코닉스 | Projector |
| KR101469445B1 (en) * | 2014-04-30 | 2014-12-05 | 주식회사 세코닉스 | Projection optical system with field lens and pico projector using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106886124A (en) | 2017-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106886124B (en) | A kind of beam splitting arrangement, light-source system and optical projection system | |
| EP3309610B1 (en) | Dual-colour laser light source | |
| EP2960575B1 (en) | Illumination apparatus and projection-type image display apparatus having the same | |
| US10451960B2 (en) | Laser light source and projection display device | |
| CN108761981B (en) | Projector with a light source | |
| CN106597785B (en) | A kind of fluorescent wheel and two-color laser light source | |
| US9677720B2 (en) | Lighting device comprising a wavelength conversion arrangement | |
| US11073751B2 (en) | Wavelength conversion apparatus, light source system and projection device | |
| CN106569378B (en) | A kind of laser dissipation spot light path and two-color laser light source, three color laser light sources | |
| WO2016192222A1 (en) | Dual-colour laser light source | |
| CN106569379B (en) | A kind of laser dissipation spot light path and two-color laser light source, three color laser light sources | |
| KR20190044137A (en) | Light-emitting device and projection system | |
| CN107632487A (en) | Light-emitting device and relevant source system | |
| TW201235620A (en) | Colour-tunable light source unit with phosphor element | |
| WO2018209722A1 (en) | Projection light source with enhanced light intensity and projection system thereof | |
| CN109164589A (en) | A kind of light splitting Multiplexing apparatus and light-source system | |
| CN110389486B (en) | Light source device and display device | |
| CN219533606U (en) | Light source module and projection equipment | |
| CN109557754A (en) | Light-source system and projection device | |
| TWI731105B (en) | A light source structure and projection system | |
| EP3540512B1 (en) | Laser projection apparatus | |
| CN106597786B (en) | A kind of fluorescent wheel and two-color laser light source | |
| WO2021259274A1 (en) | Light source assembly and projection device | |
| WO2021259268A1 (en) | Light source assembly and projection device | |
| TWI703398B (en) | Projector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170619 Address after: 518000 Shenzhen integrated circuit design and application Industrial Park, No. 1089 Tea Light Road, Shenzhen, Guangdong 401, Nanshan District, China Applicant after: APPOTRONICS Corp.,Ltd. Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili town tea light Road No. 1089 Shenzhen integrated circuit design and application of Industrial Park Building 4 Applicant before: YLX Inc. |
|
| TA01 | Transfer of patent application right | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 518052 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Applicant after: APPOTRONICS Corp.,Ltd. Address before: 518052 United Headquarters Building, No. 63 Xuefu Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province, 21 and 22 floors Applicant before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address after: 518052 United Headquarters Building, No. 63 Xuefu Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province, 21 and 22 floors Applicant after: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address before: 518000 Chaguang Road 1089, Nanshan District, Shenzhen City, Guangdong Province, Shenzhen 401 Integrated Circuit Design and Application Industrial Park Applicant before: APPOTRONICS Corp.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |