CN106773487A - Laser display apparatus - Google Patents
Laser display apparatus Download PDFInfo
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- CN106773487A CN106773487A CN201710010198.5A CN201710010198A CN106773487A CN 106773487 A CN106773487 A CN 106773487A CN 201710010198 A CN201710010198 A CN 201710010198A CN 106773487 A CN106773487 A CN 106773487A
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- Prior art keywords
- laser
- light source
- light beam
- module
- coupling
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2013—Plural light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/48—Laser speckle optics
-
- 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
- G03B21/16—Cooling; Preventing overheating
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Abstract
The present invention relates to Color Laser Projection Technology field, more particularly to laser display apparatus.The laser display apparatus, including laser projection light source and image-forming module, wherein, laser projection light source includes first laser module, second laser module, the 3rd laser module and the first coupling module, first coupling module includes the first coupling mirror, motor and the first optical wand, first coupling mirror is exported to the first optical wand after being used for the laser beam coupling for launching above-mentioned laser module, first optical wand is rotated in the quill shaft of motor and by quill shaft drive, so that the first coupled light beam is exported after multiple reflections in the first optical wand.The present invention dexterously realizes the mixed light pattern of the time and space by way of driving the first optical wand to be rotated using motor, the inhomogeneities and speckle issue of LASER Light Source is solved, so that the laser display apparatus can show that preferable picture.
Description
Technical field
The present invention relates to Color Laser Projection Technology field, more particularly to laser display apparatus.
Background technology
Ultrahigh pressure mercury lamp, metal halide lamp, xenon lamp, Halogen lamp LED, LED light that existing projection system illumination is used
The luminous intensity and spectrum of the light sources such as source, blue laser excitated fluorescent powder light source are limited by luminescent substance and its state,
Show the feature of continuous or band spectrum.In addition to LED light source, after these light sources are produced, the white field of light source is sat
Mark is just fixed, it is impossible to meet later stage white field chromaticity coordinates real-time adjustment demand well.Though LED light source can meet later stage white field color
Coordinate real-time adjustment demand, but LED light source intrinsic brightness is low and utilization rate is not high, it is difficult in meeting high brightness light source requirements,
And the equal color saturation of all these light source is relatively low, it is impossible to preferably go back original image.At present, existing technology is generally used
The brightness of light source is adjusted on video frequency signal processing, this is also to improve white field sacrificing contrast and color saturation as cost
Brightness.Therefore, although these technologies may improve image color softization and brightness, but the total quality of image but declines
.Fig. 1 is the color saturation contrast of projection light source of the prior art and LASER Light Source.
In recent years, with the maturation of laser luminescence diode technology, also have tried to be used as throwing by with light-emitting diode light
Shadow display light source.But, the LASER Light Source of optical projection system is applied at present, one side optical field distribution is uneven；On the other hand, by
It is coherent light in laser, after it reflects through rough surface (such as screen), seen by person is the image with speckle, serious to reduce
Image displaying quality, therefore, the picture effect that the LASER Light Source being applied at present in optical projection system is reached is undesirable all the time.
The content of the invention
It is an object of the invention to provide a kind of laser display apparatus, it is intended to solve laser display apparatus in the prior art and show
The undesirable technical problem of the picture that shows.
To achieve the above object, the technical scheme is that：A kind of laser display apparatus, including laser projection light source with
And the image-forming module of the output end located at the laser projection light source, the laser projection light source is including for exporting the first light beam
First laser module, for export the second light beam second laser module, for export the 3rd light beam the 3rd laser module
And first coupling module, the color of first light beam, second light beam and the 3rd light beam is different；
First coupling module includes the first coupling mirror, motor and the first optical wand, and first coupling mirror is located at institute
State the side of motor and be used to first light beam, second light beam and the 3rd light beam coupling be the first coupled light beam
After export to first optical wand, first optical wand is in the quill shaft of the motor and by quill shaft band action
Rotary motion, so that first coupled light beam is exported after multiple reflections in first optical wand as the 4th light beam.
Further, the laser projection light source also includes the second coupling module, and second coupling module includes second
Coupling mirror and the second optical wand；Second coupling mirror is located at the side of first optical wand and is used for the 4th light beam coupling
To be exported after the second coupled light beam to second optical wand；Second optical wand is located at the side of second coupling mirror and is used for
Exported to the image-forming module as the 5th light beam after carrying out shaping to second coupled light beam.
Further, the first laser module includes first laser light source, the first speculum and the first dichronic mirror；Institute
State the first speculum to be adapted with the first laser quantity of light source, the first laser light source and first speculum are all provided with
There is multiple；The laser beam of each first laser light source transmitting is exported to described after being reflected through corresponding first speculum
On first dichronic mirror；The second laser module includes second laser light source, the second speculum and the second dichronic mirror；Described
Two-mirror is adapted with the second laser quantity of light source, and the second laser light source and second speculum are equipped with many
It is individual；The laser beam of each second laser light source transmitting is exported to described second after being reflected through corresponding second speculum
On dichronic mirror；3rd laser module includes the 3rd LASER Light Source, the 3rd speculum and the 3rd dichronic mirror；Described 3rd is anti-
Penetrate mirror to be adapted with the 3rd LASER Light Source quantity, the 3rd LASER Light Source and the 3rd speculum are equipped with multiple；
The laser beam of each 3rd LASER Light Source transmitting is exported to described 3rd point after being reflected through corresponding 3rd speculum
In Look mirror.
Further, second coupling mirror to be provided with and homogenize piece for homogenize the 4th light beam.
Further, first dichronic mirror, second dichronic mirror and the 3rd dichronic mirror are in same plane
On.
Further, the laser display apparatus also include refrigerating module, and the refrigerating module includes being in turn connected into closing
The liquid cooling plate of loop back path, water container heat exchanger, radiator valve and water pump, the first laser module, the second laser mould
On the liquid cooling plate, the side of the radiator valve is provided with and the constant temperature control for block and the 3rd laser module
Water container heat exchanger described in device co- controlling processed maintains constant temperature control heat exchange to fill to pass through the water flow temperature of the liquid cooling plate
Put.
Further, the flow-guiding channel passed through for the stream that supplies water, the non-light of the flow-guiding channel are embedded with the liquid cooling plate
Source face is coated with the first thermal isolation film for completely cutting off outside heat.
Further, connected by the first water pipe between the liquid cooling plate and the water container heat exchanger, the water tank heat exchange
Connected by the second water pipe between device and the radiator valve.
Further, it is all covered with for completely cutting off outside heat on the outer wall of first water pipe and second water pipe
Second thermal isolation film.
Further, the image-forming module includes the 4th speculum, camera lens and screen, and the 5th light beam is through described the
Exported to the camera lens so that the display image screen after the reflection of four speculums.
Beneficial effects of the present invention：The present invention in the quill shaft of motor, is driven by by the first optical wand using motor
The mode that first optical wand is rotated, dexterously realizes the mixed light pattern of the time and space, so as to solve laser light
The inhomogeneities and speckle issue in source, it is to avoid damage caused by local light energy concentrations to rear end imaging system, make
Show preferable picture in laser projection system.
Brief description of the drawings
Fig. 1 is the color saturation comparison diagram of projection light source of the prior art and laser projection light source..
Fig. 2 is the structural representation of laser display apparatus provided in an embodiment of the present invention.
Fig. 3 is the partial structurtes enlarged diagram at A in Fig. 2.
Fig. 4 is the partial structurtes enlarged diagram at B in Fig. 2.
Fig. 5 is the partial structurtes enlarged diagram at C in Fig. 2.
Fig. 6 is first laser module, second laser module or in laser display apparatus provided in an embodiment of the present invention
The laser facula schematic diagram of three laser modules output.
Reference includes：
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " length ", " width ", " on ", D score, "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are based on accompanying drawing institute
The orientation or position relationship for showing, are for only for ease of the description present invention and simplify description, rather than the dress for indicating or implying meaning
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the invention
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element.For the ordinary skill in the art, can be according to specific feelings
Condition understands above-mentioned term concrete meaning in the present invention.
As shown in Fig. 2 laser display apparatus provided in an embodiment of the present invention, including laser projection light source 10 and located at institute
The image-forming module 20 of the output end of laser projection light source 10 is stated, the laser projection light source 10 is included for exporting the first light beam
First laser module 11, the second laser module 12 for exporting the second light beam, the 3rd mode of laser for exporting the 3rd light beam
The coupling module 14 of block 13 and first, the color of first light beam, second light beam and the 3rd light beam is different；
First coupling module 14 includes the first coupling mirror 141, the optical wand 143 of motor 142 and first, first coupling mirror 141
Located at the side of the motor 142 and for being the by first light beam, second light beam and the 3rd light beam coupling
Exported after one coupled light beam to first optical wand 143, first optical wand 143 is interior simultaneously located at the quill shaft of the motor 142
Driven by the quill shaft and rotated, so that first coupled light beam multiple reflections in first optical wand 143
Exported as the 4th light beam afterwards.Wherein, first laser module 11, second laser module 12, the 3rd laser module 13 can be point
Not Xuan Zi one of red laser module, blue laser module and green laser module, now, the first light beam, the second light beam and
In 3rd light beam one be feux rouges, one be blue light, one be green glow.Certainly, first laser module 11, second laser module
12nd, the 3rd laser module 13 can be the laser module for being respectively selected from one of other three kinds of colors, for example, reddish yellow is green.Also,
Above-mentioned laser projection light source 10 is except including can include three kinds of laser modules of color, i.e. except first laser module 11,
Outside the laser module 13 of second laser module 12 and the 3rd, the laser module of four kinds of colors or five kinds of colors can also be included
Laser module, it may for example comprise the laser module of the blue four kinds of colors of reddish yellow.
Preferably, the motor 142 is brushless electric motor 142, the rotational frequency of the motor 142 for 30Hz~
300Hz.So, it is possible to allow the device within the time of integration of human eye (30Hz) elimination speckle, so as to reach one
Step improves the purpose of the effect for eliminating speckle.It should be understood that the rotational frequency of the motor 142 can for 30Hz, 100Hz,
200Hz, 300Hz, or other numerical value.
In the present embodiment, in the quill shaft of motor 142, first is driven using motor 142 by by the first optical wand 143
The mode that optical wand 143 is rotated, dexterously realizes the mixed light pattern of the time and space, so as to solve LASER Light Source
Inhomogeneities and speckle issue, it is to avoid damage caused by local light energy concentrations to rear end imaging system so that
Preferable picture is shown in laser projection system.Additionally, laser display apparatus provided in an embodiment of the present invention have extensively simultaneously
The features such as colour gamut, long-life, environmental protection and energy saving, there is use value very high in field of projection display.
As shown in Fig. 2 further, the laser projection light source 10 also includes the second coupling module 15, second coupling
Matched moulds block 15 includes the second coupling mirror 151 and the second optical wand 152；Second coupling mirror 151 is located at first optical wand 143
Side is simultaneously used for the 4th light beam coupling to be exported to second optical wand 152 after the second coupled light beam；Second light
Rod 152 is located at the side of second coupling mirror 151 and is used to carry out second coupled light beam after shaping as the 5th light
Beam is exported to the image-forming module 20.Preferably, relative two surfaces and second coupling mirror of first coupling mirror 141
Plate and be provided with anti-reflection film in 151 relative two surfaces.By relative two surfaces and the second coupling mirror 151 in the first coupling mirror 141
Relative two surfaces plate and set anti-reflection film, be effectively improved the coupling efficiency of laser beam, reduce laser beam and propagating
During optical energy loss.Additionally, the first coupling mirror 141 and the second coupling mirror 151 can be double sphere coupling mirrors, double aspherical
Any one in coupling mirror, single sphere coupling mirror or single aspherical coupling mirror.
As shown in Figures 2 to 5, further, the first laser module 11 includes that first laser light source 111, first is anti-
Penetrate the dichronic mirror 113 of mirror 112 and first；First speculum 112 is adapted with the quantity of first laser light source 111, institute
State first laser light source 111 and first speculum 112 is equipped with multiple；What each first laser light source 111 was launched swashs
Light light beam is exported to first dichronic mirror 113 after being reflected through corresponding first speculum 112；The second laser mould
Block 12 includes second laser light source 121, the second speculum 122 and the second dichronic mirror 123；Second speculum 122 and institute
State the quantity of second laser light source 121 to be adapted, the second laser light source 121 and second speculum 122 are equipped with multiple；
The laser beam of each second laser light source 121 transmitting is exported to described after being reflected through corresponding second speculum 122
On second dichronic mirror 123；3rd laser module 13 includes the 3rd LASER Light Source 131, the 3rd speculum 132 and the 3rd point
Look mirror 133；3rd speculum 132 is adapted with the quantity of the 3rd LASER Light Source 131, the 3rd LASER Light Source 131
Multiple is equipped with the 3rd speculum 132；The laser beam of each transmitting of 3rd LASER Light Source 131 is through corresponding described
3rd speculum 132 is exported to the 3rd dichronic mirror 133 after reflecting.
As shown in fig. 6, in the present embodiment, first laser light source 111, the LASER Light Source 131 of second laser light source 121 and the 3rd
After the laser beam of transmitting reflects through corresponding speculum, export respectively to corresponding dichronic mirror, after being acted on through dichronic mirror, the
One light beam, the second light beam and the 3rd light beam are (when the first light beam, the second light beam and the 3rd light beam are respectively red, green, blue laser beam
Uneven white light is combined into for the moment), the uneven white light is coupled to the first optical wand 143 after the first coupling mirror 141
In, then, the first optical wand 143 rotates at a high speed under the drive of motor 142, to realize efficiently disappearing the first coupled light beam
It is relevant so that the projected picture speckle effect that the laser projection light source 10 projection is formed weakens significantly, improve picture display matter
Amount, and then enhance the competitiveness of product.
Specifically, when the first light beam, the second light beam and the 3rd light beam are respectively red, green, blue laser beam for the moment, this is red
The wavelength of color laser beam can be 635nm, and the wavelength of the red laser light beam can be 520nm, the red laser light beam
Wavelength can be 450nm.
Further, second coupling mirror 151 to be provided with and homogenize piece (not shown) for homogenize the 4th light beam.
Preferably, the wave-length coverage that homogenizes for homogenizing piece is the LASER Light Source of 400nm~700nm, and the LASER Light Source is through described even
It is 1 °~10 ° to change the angle of divergence half angle after piece is homogenized.It can be 400nm to wave-length coverage that what the present embodiment was provided homogenizes piece
The visible laser light light beam of~700nm is homogenized, and it has accurate angle of divergence half-angle, is ensureing the same of hot spot uniformity
When, still ensure that the efficiency of light energy utilization high.
As shown in Fig. 2 further, first dichronic mirror 113, second dichronic mirror 123 and described 3rd point
Look mirror 133 is in the same plane.It is located at by by the first dichronic mirror 113, the second dichronic mirror 123 and the 3rd dichronic mirror 133
On same plane, the first light from the first dichronic mirror 113, the second dichronic mirror 123 and the outgoing of the 3rd dichronic mirror 133 is ensure that
Beam, the second light beam and the 3rd light beam spatially have uniformity, so as to reduce energy of the laser beam in transmitting procedure
Loss, effectively improves the efficiency of light energy utilization.
As shown in Fig. 2 further, the laser display apparatus also include refrigerating module 30, the refrigerating module 30 is wrapped
Liquid cooling plate 31, water container heat exchanger 32, radiator valve 33 and the water pump 34 for being in turn connected into closed loop are included, described first swashs
Optical module 11, the second laser module 12 and the 3rd laser module 13 are located on the liquid cooling plate 31, the perseverance
The side of temperature controller 33 is provided with described to pass through with water container heat exchanger 32 described in the co- controlling of the radiator valve 33
Water flow temperature in liquid cooling plate 31 maintains constant temperature control heat-exchanger rig 35.In laser display apparatus provided in an embodiment of the present invention
Refrigerating module 30, water is formed by the liquid cooling plate 31 that is sequentially connected, water container heat exchanger 32, radiator valve 33 and water pump 34
The closed loop of stream, first laser module 11, second laser module 12, the 3rd laser module on liquid cooling plate 31 are made with this
13 coolings, so as to improve the reliability of laser display apparatus running.Specifically, cold water is transported to liquid cooling plate 31 by water pump 34,
The heat that the cold water produces the first laser module 11 on liquid cooling plate 31, second laser module 12, the 3rd laser module 13 is inhaled
Receipts return to water container heat exchanger 32 after being changed into hot water, and it is follow-up to be changed into constant temperature cold water by temperature control heat-exchanger rig 35 and radiator valve 33
Continuous circulation cooling.
Further, the flow-guiding channel (not shown) passed through for the stream that supplies water, the water conservancy diversion are embedded with the liquid cooling plate 31
The non-light source face of passage is coated with the first thermal isolation film (not shown) for completely cutting off outside heat.It should be further stated that：
The non-light source face of the flow-guiding channel refers to being provided with first laser module 11, second laser module 12 and with liquid cooling plate 31
The relative another side of the one side of three laser modules 13.Flow-guiding channel is embedded with by liquid cooling plate 31 so that current pass through, so that
The heat distributed when above-mentioned laser module works can be taken away, the purpose of cooling is reached.And the setting of the first thermal isolation film, can in case
Only outside heat transfer is to the current in flow-guiding channel, so that it is guaranteed that flowing through the temperature of the current of liquid cooling plate 31, improves cooling
Effect.
As shown in Fig. 2 further, being connected by the first water pipe 36 between the liquid cooling plate 31 and the water container heat exchanger 32
Connect, connected by the second water pipe 37 between the water container heat exchanger 32 and the radiator valve 33.Preferably, first water
Pipe 36 and second water pipe 37 are high pressure plastic cement water pipe or high-pressure metal water pipe.Due to high pressure plastic cement water pipe or high-pressure metal water
Guan Junke bears level pressure higher, durable in use, long service life, therefore, the refrigerating module 30 can be effectively improved
Reliability.
Further, it is all covered with for completely cutting off external heat on the outer wall of first water pipe 36 and second water pipe 37
Second thermal isolation film (not shown) of amount.Similarly, the setting of the second thermal isolation film, can prevent the heat transfer of outside to described first
Water pipe 36 and second water pipe 37, so that it is guaranteed that the temperature of the current in whole circulation loop, improves cooling effect.
As shown in Fig. 2 further, the image-forming module 20 includes the 4th speculum 21, camera lens 22 and screen 23, institute
State after the 5th light beam reflects through the 4th speculum 21 and export to the camera lens 22 so that the display image of the screen 23.Due to
Laser projection light source 10 provided in an embodiment of the present invention has brightness high, homogenizer and the effect without speckle, therefore, through mirror
Picture quality of first 22 projection shown by screen 23 is high, and picture effect is good, can effectively lift Consumer's Experience, so as to strengthen product
Product competitiveness.
Understand that the present invention is, with above-described good characteristic, to be able to make it using upper in sum, promote conventional
The efficiency that does not have in technology and there is practicality, the product as a great practical value.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in think of of the invention
Want with any modification, equivalent or the improvement made within principle etc., should be included within the scope of the present invention.
Claims (10)
1. the imaging mould of laser display apparatus, including laser projection light source and the output end located at the laser projection light source
Block, it is characterised in that：The laser projection light source is including the first laser module for exporting the first light beam, for exporting second
The second laser module of light beam, the 3rd laser module and the first coupling module for exporting the 3rd light beam, first light
The color of beam, second light beam and the 3rd light beam is different；
First coupling module includes the first coupling mirror, motor and the first optical wand, and first coupling mirror is located at the horse
The side that reaches and for will first light beam, second light beam and the 3rd light beam coupling be after the first coupled light beam it is defeated
Go out to first optical wand, first optical wand acts rotation in the quill shaft of the motor and by the quill shaft band
Motion, so that first coupled light beam is exported after multiple reflections in first optical wand as the 4th light beam.
2. laser display apparatus according to claim 1, it is characterised in that：The laser projection light source also includes the second coupling
Matched moulds block, second coupling module includes the second coupling mirror and the second optical wand；
Second coupling mirror is located at the side of first optical wand and is used to the 4th light beam coupling be the second coupling light
Exported after beam to second optical wand；
Second optical wand is located at the side of second coupling mirror and is used to make after carrying out second coupled light beam shaping
For the 5th light beam is exported to the image-forming module.
3. laser display apparatus according to claim 2, it is characterised in that the first laser module includes first laser
Light source, the first speculum and the first dichronic mirror；First speculum is adapted with the first laser quantity of light source, described
First laser light source and first speculum are equipped with multiple；The laser beam of each first laser light source transmitting is through correspondence
First speculum reflection after export to first dichronic mirror；
The second laser module includes second laser light source, the second speculum and the second dichronic mirror；Second speculum
It is adapted with the second laser quantity of light source, the second laser light source and second speculum are equipped with multiple；Each institute
The laser beam for stating the transmitting of second laser light source is exported to second dichronic mirror after the corresponding second speculum reflection
On；
3rd laser module includes the 3rd LASER Light Source, the 3rd speculum and the 3rd dichronic mirror；3rd speculum
It is adapted with the 3rd LASER Light Source quantity, the 3rd LASER Light Source and the 3rd speculum are equipped with multiple；Each institute
The laser beam for stating the transmitting of the 3rd LASER Light Source is exported to the 3rd dichronic mirror after the corresponding 3rd speculum reflection
On.
4. laser display apparatus according to claim 2, it is characterised in that second coupling mirror is provided with for homogenizing
4th light beam homogenizes piece.
5. laser display apparatus according to claim 3, it is characterised in that first dichronic mirror, second color separation
Mirror and the 3rd dichronic mirror are in the same plane.
6. laser display apparatus according to any one of Claims 1 to 5, it is characterised in that the laser display apparatus are also
Including refrigerating module, the refrigerating module includes being in turn connected into liquid cooling plate, water container heat exchanger, the radiator valve of closed loop
And water pump, the first laser module, the second laser module and the 3rd laser module are cold located at the liquid
On plate, the side of the radiator valve is provided with water container heat exchanger described in the radiator valve co- controlling to pass through
The water flow temperature of the liquid cooling plate maintains constant temperature control heat-exchanger rig.
7. laser display apparatus according to claim 6, it is characterised in that be embedded with the liquid cooling plate and flowed through for supplying water
The flow-guiding channel crossed, the non-light source face of the flow-guiding channel is coated with the first thermal isolation film for completely cutting off outside heat.
8. laser display apparatus according to claim 6, it is characterised in that the liquid cooling plate and the water container heat exchanger it
Between by the first water pipe connect, between the water container heat exchanger and the radiator valve by the second water pipe connection.
9. laser display apparatus according to claim 8, it is characterised in that first water pipe and second water pipe
The second thermal isolation film for completely cutting off outside heat is all covered with outer wall.
10. laser display apparatus according to claim 2, it is characterised in that the image-forming module include the 4th speculum,
Camera lens and screen, the 5th light beam are exported to the camera lens so that the screen display after being reflected through the 4th speculum
Image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010198.5A CN106773487B (en) | 2017-01-06 | 2017-01-06 | Laser display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010198.5A CN106773487B (en) | 2017-01-06 | 2017-01-06 | Laser display apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106647129A (en) * | 2017-01-20 | 2017-05-10 | 深圳市镭明显示技术有限公司 | Red-green-blue laser projection light source and DLP laser projection display device |
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| WO2012129785A1 (en) * | 2011-03-30 | 2012-10-04 | 青岛海信信芯科技有限公司 | Laser projection light source module and beam shaping method thereof as well as laser display equipment |
| CN102722071A (en) * | 2011-03-30 | 2012-10-10 | 青岛海信电器股份有限公司 | Laser projection light source module and projector |
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| CN106647129A (en) * | 2017-01-20 | 2017-05-10 | 深圳市镭明显示技术有限公司 | Red-green-blue laser projection light source and DLP laser projection display device |
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| CN106773487B (en) | 2018-11-09 |
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