CN107315311B - Light source module group and laser projection - Google Patents
Light source module group and laser projection Download PDFInfo
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- CN107315311B CN107315311B CN201710683769.1A CN201710683769A CN107315311B CN 107315311 B CN107315311 B CN 107315311B CN 201710683769 A CN201710683769 A CN 201710683769A CN 107315311 B CN107315311 B CN 107315311B
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- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 7
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- 238000005286 illumination Methods 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims description 3
- 208000033748 Device issues Diseases 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 20
- 230000005284 excitation Effects 0.000 description 5
- 125000001475 halogen functional group Chemical group 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
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- 239000003365 glass fiber Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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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
- G03B21/2033—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
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
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- Optics & Photonics (AREA)
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of light source module group and laser projections, belong to projection field.The light source module group includes laser, the first dichroscope component and fluorescent wheel；The laser is used to provide laser to the fluorescent wheel；The first dichroscope component is used to change by rotating the optical path of the laser, and the laser is made to form discontinuous track on the fluorescent wheel；The fluorescent wheel includes the fluorescence area that at least one is used to excite coloured light.The present invention changes the optical path for the laser that laser issues by dichroscope component, so that laser is formed discontinuous track on fluorescent wheel, improves the radiating efficiency of fluorescent wheel, and then improves the exciting light generation efficiency of fluorescent wheel.Solves the exciting light generation efficiency for leading to fluorescent wheel since the radiating efficiency of fluorescent wheel is lower in the related technology problem that is lower, and then keeping the luminous efficiency of light source module group lower.The luminous efficiency for improving light source module group is achieved the effect that.
Description
Technical field
The present invention relates to projection field, in particular to a kind of light source module group and laser projection.
Background technique
Laser projection is a kind of projector that projected image is transmitted using laser beam, mainly includes light source module group
With the components such as ray machine mould group.
In the light source module group of laser projection, main component generally includes laser, dichroscope and fluorescent wheel.Swash
Light device is for providing a kind of light of some color (usually color or two kinds of colors), and dichroscope can penetrate laser
The laser of sending, and can reflected fluorescent light wheel be excited and the excitation line that issues.When laser is blue laser, fluorescence
The structure of wheel can be as Figure 1-1, may include for inspiring the region C1 of yellow light, for inspiring green light
The region C2 of line and transmission region, the light that laser issues can pass through filter in ray machine mould group with the light inspired
Colour filter and form three primary colours, and as projection light source to ray machine mould group provide illumination.Further, since optics expansion amount (English:
Etendue) conservation it is found that the hot spot being radiated on fluorescent wheel is smaller, also can by efficiency when excitation line is input to ray machine mould group
It is higher, thus usually pass through on the light focusing to fluorescent wheel that lens issue laser, it is formed on fluorescent wheel one minimum
Hot spot.It as shown in Figs. 1-2, is a kind of index path of laser projection, the light that laser issues penetrates dichroscope, and
It is irradiated on fluorescent wheel after lens focus, the light that fluorescent wheel can change laser sending by rotating is irradiated to glimmering
Position on halo, and then make light source module group to the light of ray machine mould group input different colours, it is shone in the light that laser issues
When the transmission region being mapped on fluorescent wheel, the light that laser issues can be successively through the anti-of reflecting mirror 1, reflecting mirror 2 and reflecting mirror 3
It penetrates and inputs ray machine mould group, and when the light that laser issues is irradiated to the region C1 on fluorescent wheel, the exciting light meeting of yellow
It is irradiated on dichroscope, and is reflected by dichroscope and input ray machine mould group.The producing method of the exciting light of green can join
Examine the producing method of the exciting light of yellow.In light source module group operation, fluorescent wheel can be and continual to light with high-speed rotation
Machine mould group inputs a variety of coloured light.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems: fluorescent wheel is by turning
It moves when being irradiated to the position on fluorescent wheel to change the light of laser sending, light of the light on fluorescent wheel that laser issues
The track of spot is a closed circle, and since distance is too close between arbitrary neighborhood two o'clock on the circle, radiating efficiency is poor, and
The exciting light generation efficiency of fluorescent powder and temperature are negatively correlated on fluorescent wheel, this makes the exciting light generation efficiency of fluorescent wheel lower,
And then keep the luminous efficiency of light source module group lower.
Summary of the invention
In order to which the exciting light generation efficiency for solving fluorescent wheel in the prior art is lower, and then make the luminous efficiency of light source module group
Lower problem, the embodiment of the invention provides a kind of light source module group and laser projections.The technical solution is as follows:
According to the first aspect of the invention, a kind of light source module group is provided, the light source module group includes laser, the one or two
To Look mirror component and fluorescent wheel；
The laser is used to provide laser to the fluorescent wheel；
The first dichroscope component is used to change by rotating the optical path of the laser, makes the laser described
Discontinuous track is formed on fluorescent wheel；
The fluorescent wheel includes the fluorescence area that at least one is used to excite coloured light.
Optionally, the first dichroscope component is in colyliform, and the first dichroscope component includes: along described first
At least one penetrating region and at least one dichroscope region that the center of dichroscope component is circumferentially arranged, it is described to penetrate area
Domain is the region for the laser that can be issued through the laser, and the first dichroscope component is in rotation, the laser
Different zones of the laser irradiation that device issues to the first dichroscope component.
Optionally, the fluorescence area is fan-shaped fluorescence area, and each fan-shaped fluorescence area includes being arranged radially
First fluorescence area and the second fluorescence area, first fluorescence area is for exciting the first coloured light, second fluorescence area
For exciting the second coloured light；
The fluorescent wheel further includes at least one fan-shaped penetrating region, and each fan-shaped penetrating region is can penetrate institute
State the region of the laser of laser sending.
Optionally, the first dichroscope component includes being circumferentially arranged along the center of the first dichroscope component
At least one microscope group, each microscope group includes the penetrating region, the first dichroscope region and at least one described microscope group
Two dichroscope regions, first dichroscope region can reflect the laser that the laser issues and penetrate described first
Coloured light, second dichroscope region can penetrate the laser that the laser issues and reflect second coloured light.
Optionally, at least one described fan-shaped penetrating region includes centrosymmetric two fan-shaped penetrating regions, and at least one
A fan-shaped fluorescence area includes centrosymmetric two fan-shaped fluorescence areas.
Optionally, the fluorescent wheel is reflective fluorescent wheel, in the first dichroscope component according to first default turn
Speed rotation, during the fluorescent wheel is rotated according to the second preset rotation speed:
The laser irradiation that the laser issues is to the first dichroscope region of the first dichroscope component simultaneously quilt
When reflection, the laser can be irradiated to the first fluorescence area of the fluorescent wheel and inspire first coloured light, and described
A shade projects the light source module group after through first dichroscope region；
The laser irradiation that the laser issues to first dichroscope the second dichroscope region and when penetrating,
The laser can be irradiated to the second fluorescence area of the fluorescent wheel and inspire second coloured light, the second coloured light quilt
After the reflection of second dichroscope region, the light source module group is projected；
The laser irradiation that the laser issues to the first dichroscope component penetrating region and transmission when, it is described
Laser can be successively by the first fan-shaped penetrating region, the second fan-shaped penetrating region and first dichroic of the fluorescent wheel
The penetrating region of mirror assembly, and the light source module group is projected, the described first fan-shaped penetrating region is described two fan-shaped through area
A fan-shaped penetrating region in domain, the described second fan-shaped penetrating region are that another in described two fan-shaped penetrating regions is fan-shaped
Penetrating region.
Optionally, the fluorescent wheel is transmission-type fluorescent wheel, and the light source module group further includes and first dichroscope
The identical second dichroscope component of component,
It is rotated in the first dichroscope component according to third preset rotation speed, the second dichroscope component is according to the
The rotation of four preset rotation speeds, during the fluorescent wheel is rotated according to the 5th preset rotation speed:
The laser irradiation that the laser issues is to the first dichroscope region of the first dichroscope component simultaneously quilt
When reflection, the laser can be irradiated to the first fluorescence area of the fluorescent wheel and inspire first coloured light, and described
A shade is after through the fluorescent wheel, the penetrating region of the second dichroscope component described in directive, and is penetrating described second
Behind the penetrating region of dichroscope component, the light source module group is projected；
The laser irradiation that the laser issues to first dichroscope the second dichroscope region and when penetrating,
The laser can be irradiated to the second fluorescence area of the fluorescent wheel and inspire second coloured light, and second coloured light is saturating
After crossing the fluorescent wheel, it is capable of the second dichroscope region of the second dichroscope described in directive, second coloured light is described
After the reflection of second dichroscope region, the light source module group is projected；
Penetrating region or second dichroic of the laser irradiation that the laser issues to the first dichroscope component
Mirror region and when penetrating, the laser can be irradiated to the fan-shaped penetrating region of the fluorescent wheel, and through it is described it is fan-shaped thoroughly
After crossing region, it is irradiated to the first dichroscope region of the second dichroscope component, the laser is by the described 1st
To after the reflection of Look mirror region, the light source module group is projected.
Optionally, the penetrating region of the first dichroscope component includes diffusion sheet.
Optionally, the light source module group includes control module, and the control module is connect with the fluorescent wheel, in institute
State the rotation direction that the fluorescent wheel is converted when restarting after fluorescent wheel stops operating every time.
According to the second aspect of the invention, a kind of laser projection is provided, the laser projection include ray machine mould group and
Light source module group described in first aspect.
Technical solution provided in an embodiment of the present invention has the benefit that
The optical path for changing the laser that laser issues by rotation dichroscope component, shines laser by different optical paths
The hot spot penetrated on fluorescent wheel is located at the different location of fluorescent wheel, and the hot spot of different location is capable of forming not when fluorescent wheel rotates
Continuous track, such as two concentric rings or not closed circle that are alternately present.Compared to the light of laser in the related technology
Spot forms closed circle on fluorescent wheel, and the hot spot of laser forms discontinuous track on fluorescent wheel and improves fluorescent wheel
Radiating efficiency, and then improve the exciting light generation efficiency of fluorescent wheel.It solves in the related technology since the heat dissipation of fluorescent wheel is imitated
The lower exciting light generation efficiency problem that is lower, and then keeping the luminous efficiency of light source module group lower for leading to fluorescent wheel of rate.Reach
Improve the effect of the luminous efficiency of light source module group.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1-1 is the structural schematic diagram of fluorescent wheel in the related technology；
Fig. 1-2 is a kind of index path of laser projection in the related technology；
Fig. 2 is implementation environment schematic diagram involved in each embodiment of the present invention；
Fig. 3-1 is a kind of structural schematic diagram of light source module group shown in the embodiment of the present invention；
Fig. 3-2 is a kind of index path of light source module group shown in Fig. 3-1；
Fig. 3-3 is another index path of light source module group shown in Fig. 3-1；
Fig. 4-1 is the structural schematic diagram of another light source module group provided in an embodiment of the present invention；
Fig. 4-2 is a kind of structural schematic diagram of first dichroscope component in light source module group shown in Fig. 4-1；
Fig. 4-3 is the structural schematic diagram of another first dichroscope component in light source module group shown in Fig. 4-1；
Fig. 4-4 is a kind of structural schematic diagram of fluorescent wheel in light source module group shown in Fig. 4-1；
Fig. 4-5 is the index path of light source module group the first coloured light of output shown in Fig. 4-1；
Fig. 4-6 is the index path of light source module group the second coloured light of output shown in Fig. 4-1；
Fig. 4-7 is the index path for the laser that the light source module group output laser shown in Fig. 4-1 issues；
Fig. 4-8 is the structural schematic diagram of another light source module group provided in an embodiment of the present invention；
Fig. 4-9 is the index path of light source module group the first coloured light of output shown in Fig. 4-8；
Fig. 4-10 is the index path of light source module group the second coloured light of output shown in Fig. 4-8；
Fig. 4-11 is the structural block diagram of light source module group shown in Fig. 4-1；
When Fig. 4-12 is that fluorescent wheel rotates clockwise in light source module group shown in Fig. 4-1, the laser that laser issues is glimmering
Irradiation track schematic diagram on halo；
When Fig. 4-13 is that fluorescent wheel rotates counterclockwise in light source module group shown in Fig. 4-1, the laser that laser issues is glimmering
Irradiation track schematic diagram on halo；
Fig. 4-14 is the structural block diagram of light source module group shown in Fig. 4-8.
Through the above attached drawings, it has been shown that the specific embodiment of the present invention will be hereinafter described in more detail.These attached drawings
It is not intended to limit the scope of the inventive concept in any manner with verbal description, but is by referring to specific embodiments
Those skilled in the art illustrate idea of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 2 is implementation environment schematic diagram involved in each embodiment of the present invention, which may include that laser is thrown
Shadow machine 10 and projection screen 20.
Laser projection 10 may include light source module group 11 and ray machine mould group 12.Light source module group 11 is used for ray machine mould group 12
Light source is provided, and ray machine mould group 12 is used to that predetermined pattern to be projected to projection screen 20 according to the light source that light source module group 11 provides
On.
Projection screen 20 is used to carry the pattern of the projection of ray machine mould group 12.Projection screen 20 can be made of a variety of materials,
Such as polyvinyl chloride (Polyvinyl chloride, PVC), metal, glass fibre and bead etc., the embodiment of the present invention does not make rising limit
System.
Fig. 3-1 is a kind of structural schematic diagram of light source module group shown in the embodiment of the present invention.The light source module group 11 can wrap
Include laser 111, the first dichroscope component 112 and fluorescent wheel 113.
Laser 111 is used to provide laser to fluorescent wheel 113.
First dichroscope component 112 is used to change by rotating the optical path of laser, makes laser shape on fluorescent wheel 113
At discontinuous track.First dichroscope component 112 may include having the region of different optical characteristics (such as can be through sharp
Region and different types of dichroscope region of the laser that light device 111 issues etc.), the laser that laser 111 issues is shining
When being mapped on the region of different optical signatures, different optical paths can have, and be irradiated to the different location of fluorescent wheel 113.
Fluorescent wheel 113 includes the fluorescence area that at least one is used to excite coloured light.
Illustratively, a kind of index path of the light source module group shown in the embodiment of the present invention can as shown in figure 3-2, laser
Laser light region (the laser that can be issued through laser of 111 laser irradiations issued to the first dichroscope component 112
And the region of light that inspires of reflected fluorescent light wheel) when, fluorescent wheel is irradiated to after the first dichroscope of laser light component 112
113 outside W (side compared to inside N far from 113 center of fluorescent wheel) simultaneously inspires a kind of coloured light, which can directive the
One dichroscope component 112 simultaneously reflects light source module group by the first dichroscope component 112.Light source shown in the embodiment of the present invention
Another index path of mould group can be as shown in Fig. 3-3, and the laser irradiation that laser 111 issues is to the first dichroscope component
112 excitation light transmissive region (be capable of the laser of reflection laser sending and penetrate the region for the light that fluorescent wheel inspires)
When, laser can be reflected towards reflecting mirror 116 by the first dichroscope component 112, and the laser of directive reflecting mirror 116 is by reflecting mirror 116
It is reflected towards the inside N (side compared to outside W close to 113 center of fluorescent wheel) of fluorescent wheel 113 and inspires another coloured light,
Coloured light meeting directive reflecting mirror 116 and the excitation light transmissive region that the first dichroscope component 112 is reflected towards by reflecting mirror 116,
After the coloured light is through the excitation light transmissive region of the first dichroscope component 112, light source module group can be projected.In the first dichroscope
112 with certain speed rotation when, the optical path of the light source module group shown in the embodiment of the present invention can be in both Fig. 3-2 and Fig. 3-3
Between constantly convert, hot spot of the laser on fluorescent wheel 113 that laser 111 issues also can fluorescent wheel 113 outside W and
It is constantly converted between the N of inside, so that the radiating efficiency of fluorescent wheel 113 is higher.
In conclusion light source module group provided in an embodiment of the present invention, changes laser hair by rotation dichroscope component
The optical path of laser out makes laser be radiated at hot spot on fluorescent wheel in the different positions for being located at fluorescent wheel by different optical paths
Set, the hot spot of different location when fluorescent wheel rotates on be capable of forming discontinuous track, two be such as alternately present concentric circles
Circle or not closed circle etc..Hot spot compared to laser in the related technology forms closed circle on fluorescent wheel, laser
Hot spot forms discontinuous track on fluorescent wheel and improves the radiating efficiency of fluorescent wheel, and then improves the exciting light of fluorescent wheel
Generation efficiency.Solve the exciting light generation efficiency that leads to fluorescent wheel since the radiating efficiency of fluorescent wheel is lower in the related technology compared with
Problem that is low, and then keeping the luminous efficiency of light source module group lower.The luminous efficiency for improving light source module group is achieved the effect that.
Further, Fig. 4-1 is please referred to, it illustrates the structures of another light source module group provided in an embodiment of the present invention to show
It is intended to, some components is increased on the basis of light source module group light source module group shown in Fig. 3, so that the embodiment of the present invention
The light source module group of offer has better performance.
Optionally, which can also include shaping component 114, which is used for laser 111
The laser of sending carries out shaping and collects.
Optionally, which can also include that optical path adjusts component 115, and optical path adjustment component 115 can be set
It sets between any two component in light source module group (such as dichroscope component, fluorescent wheel, reflecting mirror and laser), for making
Light can advance according to preset optical path.
Optionally, which can also include multiple reflecting mirrors, and in Fig. 4-1, which may include
116a, 116b and 116c, these reflecting mirrors are used to adjust the direction of illumination of light.
Optionally, which can also include focussed collimated component 17, and focussed collimated component 17 is for making directive
The light focusing of fluorescent wheel 113, and hot spot is formed on fluorescent wheel 113, focussed collimated component 17 are also used to from fluorescent wheel 113
The light (light refers to from fluorescent wheel to the light emitted far from fluorescent wheel direction) of injection is collimated, and the light is become
For directional light.
Optionally, laser 111 can be the blue laser that can issue blue laser, this is because the frequency of blue light
It is highest in three primary colours, and the launching efficiency that the low light of frequency is inspired with the high light of frequency is higher.In addition, laser
111 may be the two-color laser device that can issue two kinds of color laser, and the embodiment of the present invention does not restrict.
Dichroscope component 112 in Fig. 4-1 can be in colyliform, and the dichroscope component 112 of the colyliform can be by power
Component 112a driving, Power Component 112a can be motor.When Power Component 112a is rotated, thus it is possible to vary laser 111
Region of the laser irradiation of sending on the first dichroscope component 112.And fluorescent wheel 113 can be driven by Power Component 113a
Dynamic, Power Component 113a can be motor.When Power Component 113a is rotated, thus it is possible to vary the laser that laser 111 issues
It is radiated at the region on fluorescent wheel 113.
As shown in the Fig. 4-2, the structure for the first dichroscope component 112 a kind of in light source module group shown in Fig. 4-1 is shown
It is intended to, which is in colyliform, which may include: along the first dichroscope
At least one penetrating region t and at least one dichroscope region d, penetrating region t that the center of component 112 is circumferentially arranged are energy
The region of the laser enough issued through laser 111, the first dichroscope component 112 is in rotation, in light source module group shown in Fig. 2
The laser that issues of laser 111 can be irradiated to the different zones of the first dichroscope component 112.Wherein, penetrating region t can be with
For the transparent region that can penetrate any coloured light, or the region for the laser that can be only issued through laser.At least one
Kind of dichroscope region d may include transparent substrate and be arranged in any side of the transparent substrate for realizing dichroscope function
The film layer of energy.
Optionally, the first dichroscope component 112 includes being circumferentially arranged at least along the center of the first dichroscope component
One microscope group, each microscope group includes penetrating region t, the first dichroscope region d1 and the second dichroscope at least one microscope group
Region d2, the first dichroscope region d1 are capable of the laser of reflection laser sending and penetrate the first coloured light, the second dichroscope
Region d2 can be through the laser and the second coloured light of reflection that laser issues.
Laser sending be blue laser, the first coloured light is green light and the second coloured light is yellow light when, the one or two to
Look mirror region d1 can reflection wavelength be 420 nanometers (nm) light to 470nm, and through wavelength be 500nm-670nm light
Line, practical yellow light and green light are both transparent for the first dichroscope region d1 at this time, can reduce the heat inside light source module group in this way
Amount accumulation, can also only enable green light through the first dichroscope region d1, such first dichroscope region d1 can
Play the role of filter, the embodiment of the present invention does not restrict；Second dichroscope region d2 can be 420nm through wavelength
To the light of 470nm, and reflection wavelength be the light of 500nm-670nm, at this time practical yellow light and green light can by the two or two to
Look mirror region d2 reflection, the thermal accumlation inside light source module group can be reduced in this way, but can also only make green light by the two or two to
Look mirror region d2 reflection, such second dichroscope region d2 can play the role of filter, and the embodiment of the present invention is not made
It limits out.
Fig. 4-2 shows that at least one microscope group includes the case where microscope group g1 and microscope group g2, but at least one microscope group may be used also
To include more microscope groups or including a microscope group, the embodiment of the present invention is not restricted.Illustratively, as shown in Fig. 4-3,
The first dichroscope component 112 includes 4 microscope groups g1, g2, g3 and g4, the non-conterminous microscope group of any two in this 4 microscope groups
Can about the first dichroscope component 112 center it is in a center of symmetry, in Fig. 4-3 other mark meaning can refer to Fig. 4-
2, details are not described herein.
The first dichroscope component 112 shown in Fig. 4-2 in rotation, laser that laser issues can according to the one or two to
The rotation direction of Look mirror component 112 is successively radiated in each region in each microscope group, and the successively optical path of switched laser, is made
Laser can be irradiated to the different location of fluorescent wheel.In the case where the revolving speed of the first dichroscope component 112 is certain, microscope group
Number is more, and the speed of the optical path of 112 switched laser of the first dichroscope component is faster, continuous path of the laser on fluorescent wheel
Will be shorter, and then the radiating efficiency of fluorescent wheel also can be higher.
It is a kind of structural schematic diagram of fluorescent wheel 113 provided in an embodiment of the present invention as shown in Fig. 4-4, at least one
Each fluorescence area in fluorescence area is fan-shaped fluorescence area, each fan-shaped fluorescence at least one fan-shaped fluorescence area ff
Region (ffa and ffb) includes the first fluorescence area ff1 being arranged radially and the second fluorescence area ff2, the first fluorescence area ff1
For exciting the first coloured light, which can be green light, and the second fluorescence area ff2 is for exciting the second coloured light, this second
Coloured light can be colored mirror and be changed into feux rouges for yellow light after yellow light is input to ray machine mould group.Fluorescence area is not used directly
Inspiring feux rouges is because the launching efficiency of red light fluorescent powder is too low.
Fluorescent wheel 113 further includes at least one sector penetrating region ft, and each sector penetrating region is that can penetrate laser
The region for the laser that device 111 issues.
For fluorescent wheel (as Figure 1-1) in the related technology in rotation, laser can generate continuous rail on fluorescent wheel
Mark, then the laser exciting light that the track of the intersection of two different fluorescence areas generates on fluorescent wheel may include two kinds of fluorescence
The exciting light that region generates, the exciting light are properly termed as spoke light, and spoke light will affect the quality of the light source of light source module group offer.
And different fluorescence areas is arranged radially by fluorescent wheel provided in an embodiment of the present invention, and by dichroscope come switched laser photograph
The position on fluorescent wheel is penetrated, so that laser irradiation will not generate spoke light in the different fluorescence areas of fluorescent wheel, is improved
The quality for the light source that light source module group provides.
The fluorescent wheel 113 can be reflective fluorescent wheel or transmission-type fluorescent wheel.Reflective fluorescent wheel be fluorescence area by
To after laser irradiation, the fluorescent wheel (laser and exciting light contrary) that exciting light can be reflected by fluorescent wheel, and transmission-type is glimmering
Halo be fluorescence area by laser irradiation after, exciting light penetrate fluorescent wheel project the fluorescent wheel (direction of laser and exciting light
It is identical).
Optionally, at least one sector penetrating region ft includes centrosymmetric two sectors penetrating region ft1 and ft2,
At least one sector fluorescence area ff includes centrosymmetric two fan-shaped fluorescence area ffa and ffb.
It is illustrated in two kinds of situation below according to the type of fluorescent wheel:
When the first situation, fluorescent wheel are reflective fluorescent wheel:
It is rotated in the first dichroscope component according to the first preset rotation speed, the mistake that fluorescent wheel is rotated according to the second preset rotation speed
Cheng Zhong:
The index path that light source module group 11 shown in Fig. 4-1 exports the first coloured light can refer to Fig. 4-5, wherein laser 111
The laser irradiation of sending is to the first dichroscope region of the first dichroscope component 112 (in such as Fig. 4-2 in first microscope group g1
D1 in d1 or the second microscope group g2) and when being reflected, laser can adjust component 115 and the adjustment of reflecting mirror 116c through optical path
After be irradiated on focussed collimated component 117, laser, which is focused after collimator assembly 117 focuses, can be irradiated to the of fluorescent wheel 113
One fluorescence area (ff1 in such as Fig. 4-4 in fluorescence area ffa or ffb) simultaneously inspires the first coloured light, and the first coloured light is by fluorescent wheel
Collimator assembly 117 can be focused after 113 reflections and is adjusted to collimated light beam, and the collimated light beam is through optical path adjustment component 115 and instead
It penetrates after the adjustment of mirror 116c and is irradiated to the first dichroscope region of the first dichroscope component 112, the first coloured light is through the
Behind one dichroscope region, light source module group 11, and directive ray machine mould group 12 are projected.The meaning that other in Fig. 4-5 mark can join
Fig. 4-1 is examined, details are not described herein.
The index path that light source module group 11 shown in Fig. 4-1 exports the second coloured light can refer to Fig. 4-6, wherein laser 111
The laser irradiation of sending is to the second dichroscope region of the first dichroscope component 112 (in such as Fig. 4-2 in first microscope group g1
D2 in d2 or the second microscope group g2) and when penetrating, laser can be irradiated on focussed collimated component 117, and laser is focused collimation
Component 117 can be irradiated to the second fluorescence area of fluorescent wheel 113 (in such as Fig. 4-4 in fluorescence area ffa or ffb after focusing
Ff2) and the second coloured light is inspired, the second coloured light can be focused collimator assembly 117 after being reflected by fluorescent wheel and be adjusted to directional light simultaneously
Second dichroscope region of the first dichroscope of directive component 112 is penetrated after the directional light is reflected by the second dichroscope region
Light source module group 11 out, and directive ray machine mould group 12.The meaning that other in Fig. 4-6 mark can refer to Fig. 4-1, no longer superfluous herein
It states.
The index path for the laser that 11 output laser 111 of light source module group shown in Fig. 4-1 issues can refer to Fig. 4-7,
In, penetrating region (the first microscope group g1 in such as Fig. 4-2 of laser irradiation that laser 111 issues to the first dichroscope component 112
In t or the second microscope group g2 in t) and when penetrating, laser can successively by the first fan-shaped penetrating region of fluorescent wheel 113,
Reflecting mirror 116a, reflecting mirror 116b, the second fan-shaped penetrating region, reflecting mirror 116c and the first dichroscope component 112 transmission
Region, and light source module group 11 is projected, directive ray machine mould group 12, the first fan-shaped penetrating region is one in two fan-shaped penetrating regions
A sector penetrating region (ft1 in such as Fig. 4-4 in two sector penetrating region ft), the second fan-shaped penetrating region is two sectors
The fan-shaped penetrating region (ft2 in such as Fig. 4-4 in two sector penetrating region ft) of another in penetrating region.Wherein, light exists
Directive fluorescent wheel 113 focuses punctual component 117 from can penetrate when the injection of fluorescent wheel 113, and light is appointed in light source module group
Anticipating may also pass through optical path adjustment component 115 between two components and adjusts, and details are not described herein.
It should be noted that all fan-shaped penetrating regions in fluorescent wheel 113 are formed by figure and the first dichroic
In mirror assembly 112 all penetrating regions be formed by figure it is similar when, the first preset rotation speed of fluorescent wheel 113 can be with the one or two
The second preset rotation speed to Look mirror component is identical.Illustratively, in the dichroscope 112 shown in Fig. 4-2, two penetrating regions
The angle of t is identical and central symmetry about dichroscope component, and two fans in the fluorescent wheel 113 shown in Fig. 4-4
When the central symmetry identical and about fluorescent wheel 113 of the angle of shape penetrating region ft1 and ft2, if any in two penetrating region t
The angle of penetrating region is identical as the fan-shaped angle of penetrating region ft1, then the first preset rotation speed of fluorescent wheel 113 can be with first
Second preset rotation speed of dichroscope component is identical.
Second situation, fluorescent wheel 113 are that transmission-type fluorescent wheel then as shown in Figure 4-8 provides for the embodiment of the present invention
Another light source module group structural schematic diagram, which further includes identical with the first dichroscope component 114
Two dichroscope components 118.The meaning that other in Fig. 4-8 mark can refer to Fig. 4-1, and details are not described herein.
It is rotated in the first dichroscope component according to third preset rotation speed, the second dichroscope component is according to the 4th default turn
Speed rotation, during fluorescent wheel is rotated according to the 5th preset rotation speed:
The index path that light source module group 11 shown in Fig. 4-8 exports the first coloured light can refer to Fig. 4-9, wherein laser 111
The laser irradiation of sending to the first dichroscope component 112 the first dichroscope region and when being reflected, laser can be reflected
Mirror 116c reflection, and be irradiated to the first fluorescence area of fluorescent wheel 113 and inspire the first coloured light, the first coloured light is penetrating fluorescence
Wheel 113 after, reflected by reflecting mirror 116b, and the penetrating region of the second dichroscope of directive component 118, and through the two or two to
Behind the penetrating region of Look mirror component 118, light source module group 11, and directive ray machine mould group 12 are projected.Wherein, light is in directive fluorescent wheel
113 or can be through focusing punctual component 117, and light any two component in light source module group when being projected from fluorescent wheel 113
Between may also pass through optical path adjustment component 115 adjust, details are not described herein.The meaning that other in Fig. 4-9 mark can refer to
Fig. 4-1.
The index path that light source module group 11 shown in Fig. 4-8 exports the second coloured light can refer to Fig. 4-10, wherein laser
Second dichroscope region of 111 laser irradiations issued to the first dichroscope 112 and when penetrating, laser can be irradiated to glimmering
Second fluorescence area of halo 113 simultaneously inspires the second coloured light, being capable of directive the two or two after the second coloured light penetrates fluorescent wheel 113
To the second dichroscope region of Look mirror 118, after the second coloured light is reflected by the second dichroscope region, light source module group 11 is projected,
And directive ray machine mould group 12.Wherein, light directive fluorescent wheel 113 or while projecting from fluorescent wheel 113 can be punctual through focusing
Component 117, and light may also pass through the optical path adjustment adjustment of component 115 between any two component in light source module group, herein
It repeats no more.The meaning that other in Fig. 4-10 mark can refer to Fig. 4-1.
The index path that light source module group 11 shown in Fig. 4-8 exports the second coloured light can refer to Fig. 4-10, wherein laser
111 laser irradiations issued swash to the penetrating region of the first dichroscope component 112 or the second dichroscope region and when penetrating
Light can be irradiated to the fan-shaped penetrating region of fluorescent wheel 113, and after through fan-shaped penetrating region, be irradiated to the second dichroscope
First dichroscope region of component 118, laser project light source module group 11, and penetrate after by the reflection of the first dichroscope region
To ray machine mould group 12.
It should be noted that all fan-shaped penetrating regions in fluorescent wheel 113 are formed by figure and the first dichroic
In mirror assembly 112 all penetrating regions be formed by figure it is similar when (all fan-shaped penetrating region institutes in fluorescent wheel 113 at this time
It is also similar that the figure of formation to all penetrating regions in the second dichroscope component 118 is formed by figure), fluorescent wheel 113
5th preset rotation speed can with it is the 4th of the third preset rotation speed of the first dichroscope component and the second dichroscope component pre-
If revolving speed is all the same.
It should be noted that above-mentioned each index path be it is illustrative, those skilled in the art pass through Fig. 4-1 or Fig. 4-8
Shown light source module group can also export various coloured light by other light channel structures, and the embodiment of the present invention does not make rising limit
System.
Optionally, the penetrating region of the first dichroscope component 112 includes diffusion sheet.The diffusion sheet can be used for spreading
Homogenize light beam.In addition, the penetrating region of the first dichroscope component 112 may include being provided with the region of diffusion sheet and being
It is provided with the region of diffusion sheet, it is optionally, saturating in the first microscope group g1 in the first dichroscope component 112 shown in Fig. 4-2
It crosses in the t of region and diffusion sheet can be set, and diffusion sheet can be not provided in the penetrating region t in the second microscope group g2.
It optionally, is the structural block diagram of light source module group shown in Fig. 4-1, which can as shown in Fig. 4-11
To include control module 119, the first dichroscope component 112 and fluorescent wheel 113.Control module 119 for control the one or two to
Look mirror component 112 and fluorescent wheel 113.Molding block 119 converts fluorescence when can restart after fluorescent wheel 113 stops operating every time
The rotation direction of wheel improves the service life of fluorescent wheel to make full use of each fluorescence area of fluorescent wheel.As shown in Fig. 4-12,
For in light source module group shown in Fig. 4-1, when fluorescent wheel 113 rotates clockwise, the laser that laser 111 issues is in fluorescent wheel 113
On irradiation track schematic diagram, dash area therein is the irradiation track of laser, and white space is the area that is not irradiated to of laser
Domain, it can be seen that the optical path due to laser is constantly changing, and laser irradiation is also constantly changing in the position of fluorescent wheel, thus,
There is the region not being irradiated with a laser in the first fluorescence area ff1 and the second fluorescence area ff2.For another example shown in Fig. 4-13,
For in light source module group shown in Fig. 4-1, when fluorescent wheel 113 rotates clockwise, the laser that laser 111 issues is in fluorescent wheel 113
On track schematic diagram, dash area therein is the irradiation track of laser, and white space is the region that is not irradiated to of laser, the
There is also the regions not being irradiated with a laser by one fluorescence area ff1 and the second fluorescence area ff2.
It can be seen that the first fluorescence area ff1 and the second fluorescence area ff2 are deposited when fluorescent wheel rotates in one direction
In the region not being irradiated with a laser, thus when restarting after fluorescent wheel stops operating, change the rotation direction energy of fluorescent wheel
The each fluorescence area for enough making full use of fluorescent wheel, improves the service life of fluorescent wheel.
It optionally, is the structural block diagram of light source module group shown in Fig. 4-8 as shown in Fig. 4-14, which can be with
Including control module 119, the first dichroscope component 112, the second dichroscope component 118 and fluorescent wheel 113.Control module
119 for controlling the first dichroscope component 112, the second dichroscope component 118 and fluorescent wheel 113.Molding block 119 can be
The rotation direction of fluorescent wheel is converted when fluorescent wheel 113 is restarted after stopping operating every time, to make full use of each glimmering of fluorescent wheel
The service life of fluorescent wheel is improved in light region.
In conclusion light source module group provided in an embodiment of the present invention, changes laser hair by rotation dichroscope component
The optical path of laser out, the hot spot for being radiated at laser by different optical paths on fluorescent wheel are located at the different location of fluorescent wheel,
The hot spot of different location is capable of forming discontinuous track when fluorescent wheel rotates, two be such as alternately present concentric ring or not
Closed circle etc..Hot spot compared to laser in the related technology forms closed circle on fluorescent wheel, and the hot spot of laser exists
Discontinuous track is formed on fluorescent wheel and improves the radiating efficiency of fluorescent wheel, and then the exciting light for improving fluorescent wheel generates effect
Rate.It is lower to solve the exciting light generation efficiency for leading to fluorescent wheel since the radiating efficiency of fluorescent wheel is lower in the related technology, into
And the problem for keeping the luminous efficiency of light source module group lower.The luminous efficiency for improving light source module group is achieved the effect that.
The embodiment of the present invention also provides a kind of laser projection, which includes ray machine mould group and above-mentioned each reality
Any light source module group of example offer is provided.
In the present invention, term " first ", " second ", " third " and " the 4th " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of light source module group, which is characterized in that the light source module group includes laser, the first dichroscope component and fluorescence
Wheel；
The laser is used to provide laser to the fluorescent wheel；
The first dichroscope component is used to change by rotating the optical path of the laser, makes the laser in the fluorescence
Discontinuous track is formed on wheel；
The fluorescent wheel includes the fluorescence area that at least one is used to excite coloured light；
The first dichroscope component is in colyliform, and the first dichroscope component includes: along the first dichroic microscope group
At least one penetrating region and at least one dichroscope region that the center of part is circumferentially arranged, the penetrating region is can be saturating
The region for the laser that the laser issues is crossed, in rotation, what the laser issued swashs the first dichroscope component
Illumination is mapped to the different zones of the first dichroscope component；
The fluorescence area is fan-shaped fluorescence area, and each fan-shaped fluorescence area includes the first fluorescence area being arranged radially
With the second fluorescence area, first fluorescence area is for exciting the first coloured light, and second fluorescence area is for exciting second
Coloured light；
The fluorescent wheel further includes at least one fan-shaped penetrating region, and each fan-shaped penetrating region is that can swash through described
The region for the laser that light device issues；
The first dichroscope component includes at least one mirror being circumferentially arranged along the center of the first dichroscope component
Group, each microscope group includes the penetrating region, the first dichroscope region and the second dichroscope at least one described microscope group
Region, first dichroscope region can reflect the laser that the laser issues and penetrate first coloured light, described
Second dichroscope region can penetrate the laser that the laser issues and reflect second coloured light.
2. light source module group according to claim 1, which is characterized in that at least one described fan-shaped penetrating region includes center
Symmetrical two fan-shaped penetrating regions, at least one described fan-shaped fluorescence area include centrosymmetric two fan-shaped phosphor regions
Domain.
3. light source module group according to claim 2, which is characterized in that the fluorescent wheel is reflective fluorescent wheel, described
First dichroscope component is rotated according to the first preset rotation speed, during the fluorescent wheel is rotated according to the second preset rotation speed:
The laser irradiation that the laser issues to the first dichroscope component the first dichroscope region and reflected
When, the laser can be irradiated to the first fluorescence area of the fluorescent wheel and inspire first coloured light, first color
Light projects the light source module group after through first dichroscope region；
The laser irradiation that the laser issues to first dichroscope the second dichroscope region and when penetrating, it is described
Laser can be irradiated to the second fluorescence area of the fluorescent wheel and inspire second coloured light, and second coloured light is described
After the reflection of second dichroscope region, the light source module group is projected；
The laser irradiation that the laser issues to the first dichroscope component penetrating region and transmission when, the laser
It can be successively by the first fan-shaped penetrating region, the second fan-shaped penetrating region and the first dichroic microscope group of the fluorescent wheel
The penetrating region of part, and the light source module group is projected, the described first fan-shaped penetrating region is in described two fan-shaped penetrating regions
A fan-shaped penetrating region, the described second fan-shaped penetrating region be in described two fan-shaped penetrating regions another is fan-shaped thoroughly
Cross region.
4. light source module group according to claim 2, which is characterized in that the fluorescent wheel is transmission-type fluorescent wheel, the light
Source mould group further includes the second dichroscope component identical with the first dichroscope component,
It is rotated in the first dichroscope component according to third preset rotation speed, the second dichroscope component is pre- according to the 4th
If rotational speed, during the fluorescent wheel is rotated according to the 5th preset rotation speed:
The laser irradiation that the laser issues to the first dichroscope component the first dichroscope region and reflected
When, the laser can be irradiated to the first fluorescence area of the fluorescent wheel and inspire first coloured light, first color
Light is through after the fluorescent wheel, the penetrating region of the second dichroscope component described in directive, and through the described 2nd 2 to
Behind the penetrating region of Look mirror component, the light source module group is projected；
The laser irradiation that the laser issues to first dichroscope the second dichroscope region and when penetrating, it is described
Laser can be irradiated to the second fluorescence area of the fluorescent wheel and inspire second coloured light, and second coloured light penetrates institute
After stating fluorescent wheel, it is capable of the second dichroscope region of the second dichroscope described in directive, second coloured light is by described second
After the reflection of dichroscope region, the light source module group is projected；
The laser irradiation that the laser issues is to the penetrating region or the second dichroscope area of the first dichroscope component
Domain and when penetrating, the laser can be irradiated to the fan-shaped penetrating region of the fluorescent wheel, and fan-shaped penetrate area through described
Behind domain, it is irradiated to the first dichroscope region of the second dichroscope component, the laser is by first dichroic
After the reflection of mirror region, the light source module group is projected.
5. light source module group according to claim 4, which is characterized in that wrap the penetrating region of the first dichroscope component
Diffusion sheet is included.
6. according to any light source module group of right 1 to 4, which is characterized in that the light source module group includes control module, described
Control module is connect with the fluorescent wheel, for converting turning for the fluorescent wheel when restarting after the fluorescent wheel stops operating
Dynamic direction.
7. a kind of laser projection, which is characterized in that the laser projection includes that ray machine mould group and claim 1 to 6 are any
The light source module group.
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| CN201710683769.1A CN107315311B (en) | 2017-08-11 | 2017-08-11 | Light source module group and laser projection |
| PCT/CN2017/116660 WO2019029085A1 (en) | 2017-08-11 | 2017-12-15 | Laser projector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710683769.1A CN107315311B (en) | 2017-08-11 | 2017-08-11 | Light source module group and laser projection |
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| CN107315311B true CN107315311B (en) | 2019-09-20 |
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| 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 |
| CN108535944B (en) * | 2018-04-16 | 2021-04-13 | 成都九天光学技术有限公司 | Laser light source and control method thereof |
| CN108628076A (en) * | 2018-06-25 | 2018-10-09 | 成都九天光学技术有限公司 | A kind of projector light source system of high launching efficiency |
| CN110967901A (en) * | 2018-09-30 | 2020-04-07 | 无锡视美乐激光显示科技有限公司 | Laser light source system and laser projector |
| CN111856858B (en) * | 2019-04-24 | 2023-05-05 | 深圳光峰科技股份有限公司 | Light source system and projection system |
| CN111856860B (en) * | 2019-04-24 | 2023-05-12 | 深圳光峰科技股份有限公司 | Light source system and display device |
| CN110673328B (en) | 2019-10-10 | 2021-05-07 | 成都极米科技股份有限公司 | Fluorescent wheel, light source module and projector |
| CN110716380B (en) * | 2019-11-25 | 2021-05-18 | 成都极米科技股份有限公司 | Light source system and projector |
| CN111025832B (en) * | 2019-12-19 | 2021-12-07 | 青岛海信激光显示股份有限公司 | Laser projection equipment and starting method and shutdown method thereof |
| CN111736416A (en) * | 2020-07-29 | 2020-10-02 | 无锡视美乐激光显示科技有限公司 | Fluorescent light path, control device and system thereof and projector light source |
| CN111752082B (en) * | 2020-07-31 | 2021-12-31 | 无锡视美乐激光显示科技有限公司 | Light source device and projection system |
| EP4089448A1 (en) * | 2021-05-11 | 2022-11-16 | RIEGL Laser Measurement Systems GmbH | Device for steering a light beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3731381B2 (en) * | 1999-05-12 | 2006-01-05 | セイコーエプソン株式会社 | LCD projector |
| AU2002230415A1 (en) * | 2000-11-17 | 2002-05-27 | Universal Imaging Corporation | Rapidly changing dichroic beamsplitter |
| US20070091285A1 (en) * | 2005-10-20 | 2007-04-26 | Taiwan Micro Display Corporation | LCOS optical engine illumination system |
| WO2010090862A2 (en) * | 2009-01-21 | 2010-08-12 | Abu-Ageel Nayef M | Illumination system utilizing wavelength conversion materials and light recycling |
| JP4711154B2 (en) * | 2009-06-30 | 2011-06-29 | カシオ計算機株式会社 | Light source device and projector |
| US8496352B2 (en) * | 2010-02-26 | 2013-07-30 | Texas Instruments Incorporated | Wavelength conversion |
| US8419188B2 (en) * | 2010-04-07 | 2013-04-16 | Microvision, Inc. | Dichroic wedge stack light combining apparatus, system and method |
| TWI446095B (en) * | 2011-03-28 | 2014-07-21 | Casio Computer Co Ltd | Projecting device, projecting method and program |
| US9195123B2 (en) * | 2011-10-13 | 2015-11-24 | Texas Instruments Corporated | Projector light source and system, including configuration for display of 3D images |
| CN103186025B (en) * | 2013-03-19 | 2015-04-29 | 海信集团有限公司 | Light source device, light source generation method and laser projector with light source device |
| CN106886124B (en) * | 2015-12-16 | 2019-02-01 | 深圳光峰科技股份有限公司 | A kind of beam splitting arrangement, light-source system and optical projection system |
| 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 |
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| CN107315311A (en) | 2017-11-03 |
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Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |
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