CN107561840A - Light supply apparatus and image display apparatus - Google Patents
Light supply apparatus and image display apparatus Download PDFInfo
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- CN107561840A CN107561840A CN201710976097.3A CN201710976097A CN107561840A CN 107561840 A CN107561840 A CN 107561840A CN 201710976097 A CN201710976097 A CN 201710976097A CN 107561840 A CN107561840 A CN 107561840A
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- Prior art keywords
- light
- light beam
- group
- laser
- fluorescent wheel
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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
- G03B21/2013—Plural 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
- G03B21/2073—Polarisers in the lamp house
-
- 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
Abstract
The embodiment of the present invention, which provides a kind of light supply apparatus and image display apparatus, the light supply apparatus, to be included：First laser system, second laser system and fluorescent wheel；The first laser system includes：First group of laser and first group of transmission optical module；The second laser system includes：Second group of laser and second group of transmission optical module；The fluorescent wheel includes：Phosphor region and transmission area；Wherein, the second light beam caused by the first light beam caused by first group of laser and second group of laser exposes on two opposite faces of same area on the fluorescent wheel respectively；It can be seen that transmission optical module meeting each output light beam, and then beam combination described in two beams can be obtained the mixed white light of high brightness simultaneously corresponding to every group of laser system, so as to improve the output brightness of light supply apparatus and image display apparatus.
Description
The application is the China of entitled " light supply apparatus and the image display apparatus " that proposes on December 23rd, 2015
The divisional application of application for a patent for invention 201510980898.8.
Technical field
The present embodiments relate to light source technology, more particularly to a kind of light supply apparatus and image display apparatus.
Background technology
Under normal circumstances, image display apparatus（Such as projector）In it is more using laser caused by one group of laser as image
The light source of display device, wherein, laser passes through some optical elements（Such as speculum, convex lens or concavees lens）After be irradiated to
The image generating unit of image display apparatus, to form image to be displayed；Generally, the light source output of image display apparatus
Brightness is about 6000-10000 lumens, and the accordingly output brightness of image display apparatus is about 3000 lumens.As image is shown
Device is widely used in the scenes such as cinema, the output brightness increase in demand to image display apparatus, current image
The output brightness of display device（About 3000 lumens）Brightness requirement can not be met；Therefore, how image display apparatus is improved
Light source output brightness is the technical problem for being badly in need of solving.
In the prior art, by increasing the power of laser, to improve the output brightness of image display apparatus LASER Light Source,
So as to improve the output brightness of image display apparatus；But with the output brightness increase of LASER Light Source, due to laser thermal effect, light
The transmitance and service life for learning element can be reduced constantly, so as to have a strong impact on the service life of image display apparatus.
The content of the invention
The embodiment of the present invention provides a kind of light supply apparatus and image display apparatus, improves light supply apparatus and image display dress
The output brightness put.
In a first aspect, the embodiment of the present invention provides a kind of light supply apparatus, including：
First laser system, second laser system and fluorescent wheel；The first laser system includes：First group of laser and
First group of transmission optical module；The second laser system includes：Second group of laser and second group of transmission optical module；Institute
Stating fluorescent wheel includes：Phosphor region and transmission area；Wherein, first group of laser is used to produce including at least first wave length light
First light beam；Second group of laser is used to produce the second light beam including at least the first wave length light；Institute
State the first light beam and second light beam exposes on two opposite faces of same area on the fluorescent wheel respectively；
First group of transmission optical module is used for；First light beam is transmitted to the fluorescent wheel；Second group of transmission
Optical module is used for；Second light beam is transmitted to the fluorescent wheel；The fluorescent wheel is used for：In the described first polarization
Sent under the irradiation of light beam and second light beam and be different from first light beam and described the including at least one
First light beam of the wavelength of two light beams, and first light beam is exported to second group of transmission optical module；Transmission
First light beam and second light beam；Wherein, the fluorescent wheel area is towards the face of the first laser system
On be provided with for transmiting first light beam and second light beam, and reflect the film layer of first light beam；
First group of transmission optical module is additionally operable to；Second light beam that will transmit through the fluorescent wheel is transmitted to the even light
Part；Second group of transmission optical module is additionally operable to；It will transmit through the first light beam and described first of the fluorescent wheel
Beam Propagation is to the even smooth part.
Second aspect, the embodiment of the present invention provide a kind of image display apparatus, including：
Guide-lighting optical system, image generating unit and the light supply apparatus as described in above-mentioned first aspect.
Light supply apparatus in the present invention, including：First laser system, second laser system and fluorescent wheel；Described first
Laser system includes：First group of laser and first group of transmission optical module；The second laser system includes：Second group is swashed
Light device and second group of transmission optical module；The fluorescent wheel includes：Phosphor region and transmission area；Wherein, first group of laser
Device is used to produce the first light beam including at least first wave length light；Second group of laser, which is used to produce, comprises at least institute
State the second light beam of first wave length light；First light beam and second light beam expose to described glimmering respectively
On halo on two opposite faces of same area；First group of transmission optical module is used for；First light beam is passed
Transport to the fluorescent wheel；Second group of transmission optical module is used for；Second light beam is transmitted to the fluorescent wheel；
The fluorescent wheel is used for：Sent under the irradiation of first light beam and second light beam including at least one not
Be same as the first light beam of the wavelength of first light beam and second light beam, and by first light beam export to
Second group of transmission optical module；Transmit first light beam and second light beam；Wherein, the fluorescent wheel
Area towards being provided with the face of the first laser system for transmiting first light beam and second light beam,
And the film layer of reflection first light beam；First group of transmission optical module is additionally operable to；It will transmit through the described of the fluorescent wheel
Second light beam is transmitted to the even smooth part；Second group of transmission optical module is additionally operable to；It will transmit through the fluorescent wheel
The first light beam and first beam Propagation to the even smooth part.It can be seen that compared to passing through increasing in the prior art
Add the mode of laser power, in light supply apparatus of the invention, the transmission optical module of two groups of laser systems can each output simultaneously
Light beam, and then two light beams can be superimposed to obtain the mixed white light of high brightness, so as to not influence light supply apparatus use
On the basis of life-span, the output brightness of light supply apparatus is improved, and then improves the output brightness of image display apparatus；Further
Ground, due to the first light beam caused by first group of laser in the light supply apparatus of the embodiment of the present invention and described
Second light beam caused by two groups of lasers exposes on two opposite faces of same area on the fluorescent wheel respectively, leads to
Two groups of laser activating systems can be corresponded to by crossing a fluorescence wheel component, can reduce fluorescence converting member and its corresponding driving
The usage quantity of part, beneficial to the simplification of light source framework.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Figure 1A is the structural representation of light supply apparatus embodiment one of the present invention；
Figure 1B is the side view one of fluorescent wheel in light supply apparatus of the present invention；
Fig. 1 C are the front view of fluorescent wheel in light supply apparatus of the present invention；
Fig. 2A is the structural representation of light supply apparatus embodiment two of the present invention；
Fig. 2 B are the setting schematic diagram of light supply apparatus neutralizing light prism；
Fig. 2 C are the structural representation of light supply apparatus embodiment three of the present invention；
Fig. 2 D are the light path schematic diagram of light supply apparatus embodiment three of the present invention；
Fig. 3 is the structural representation of image display apparatus embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment one
Figure 1A is the structural representation of light supply apparatus embodiment one of the present invention, and as shown in Figure 1A, light supply apparatus includes：First laser
System 10, second laser system 11 and fluorescent wheel 12；The first laser system 10 includes：First group of laser 100 and
First group of transmission optical module 101；The second laser system 11 includes：Second group of laser 110 and second group of transmission light
Learn component 111（Alternatively, every group of laser can include：At least two lasers）；The fluorescent wheel 12 includes：Phosphor region and
Transmission area（Alternatively, the fluorescent wheel is transmission-type fluorescent wheel；The fluorescent wheel is revolved by centrally disposed motor
Turn）；Alternatively, the fluorescent wheel area is towards being provided with the face of the first laser system 10 for transmiting the first light beam
With the second light beam, and the film layer of first light beam is reflected.Alternatively, the first laser system 10 and described second swashs
Photosystem 11 is arranged at the both sides of the fluorescent wheel 12；First light beam caused by first group of laser and described
Second light beam caused by two groups of lasers exposes on two opposite faces of same area on the fluorescent wheel respectively, i.e.,
Only include a fluorescent wheel in the light supply apparatus of the embodiment of the present invention, fluorescence converting member and its corresponding drive division can be reduced
The usage quantity of part, beneficial to the simplification of light source framework.Alternatively, the fluorescent wheel includes transparency carrier, on the transparency carrier
The phosphor region and transmission area are set, wherein, the phosphor region is fluorescent material and inorganic material（For example, the inorganic material can
Think ceramics, quartz or glass etc.）The phosphor powder layer being mixed, and a surface of the transparency carrier is invested, it is described
First light beam is exposed in the one side of the phosphor powder layer, second light beam pass through the transparency carrier after again according to
It is incident upon the another side of the phosphor powder layer；Or alternatively, it is glimmering that the phosphor region is that fluorescent material and inorganic material are mixed
Light bisque（Without other transparency carriers, the phosphor powder layer inherently lens substrate）, first light beam and second inclined
The light beam that shakes is radiated at the two sides of the phosphor powder layer respectively.It can be seen that compared to existing fluorescent wheel（Including：Two layers of transparency carrier
And phosphor powder layer, wherein, the phosphor powder layer is clipped between two layers of transparency carrier）, the fluorescent wheel of the present embodiment light supply apparatus
It is more beneficial for radiating.
Wherein, first group of laser 100 is used to produce the first light beam including at least first wave length light（Such as P
Light）；Second group of laser 110 is used to produce the second light beam including at least the first wave length light（Such as S light）；Can
Selection of land, laser described in every group can be mono-colour laser or two-color laser device, such as 1）When first group of laser 100
When with second group of laser 110 being mono-colour laser, first group of laser, which is used to produce, includes first wave length light（Such as
Blue light）The first light beam, second group of laser be used for produce include first wave length light（Such as blue light）Second
Light beam；2）When first group of laser 100 and second group of laser 110 are two-color laser device, described first
Group laser 100, which is used to produce, includes first wave length light（Such as blue light）With second wave length light（Such as red light）The first polarised light
Beam, second group of laser 110, which is used to produce, includes first wave length light（Such as blue light）With second wave length light（Such as red light）
The second light beam.
Wherein, first group of transmission optical module 101 is used for；First light beam is transmitted to the fluorescent wheel
12；Second group of transmission optical module 111 is used for；Second light beam is transmitted to the fluorescent wheel 12；It is described glimmering
Halo 12 is used for：Send under the irradiation of first light beam and second light beam and be different from including at least one
First light beam of the wavelength of first light beam and second light beam, and first light beam is exported to described
Second group of transmission optical module 111；Transmit first light beam and second light beam；Alternatively, 1）When described
When first group of laser 100 and second group of laser 110 are mono-colour laser（Such as first group of laser is used to produce
Raw the first light beam for including blue light, second group of laser are used to produce the second light beam for including blue light）,
The phosphor region is used for：Sent under the irradiation of first light beam and second light beam including at least two not
It is same as the first light beam of the wavelength of first light beam and second light beam（I.e. described first light beam include to
The wavelength light of few two kinds of wavelength for being different from first light beam and second light beam, such as first light beam
In comprise at least red light and green light）；Accordingly, the transmission area is used for：Transmission includes first wave length light（Such as blue light）
First light beam and second light beam；2）When first group of laser 100 and second group of laser
When device 110 is two-color laser device, first group of laser 100, which is used to produce, includes first wave length light（Such as blue light）With second
Wavelength light（Such as red light）The first light beam, second group of laser 110 be used for produce include first wave length light（Such as indigo plant
Coloured light）With second wave length light（Such as red light）The second light beam, the phosphor region is used for：In first light beam and
Sent under the irradiation of second light beam and be different from first light beam and second polarization including at least one
First light beam of the wavelength of light beam（I.e. described first light beam includes at least one different from first light beam and described
Green light is comprised at least in the wavelength light of the wavelength of second light beam, such as first light beam）；Accordingly, the transmission
Area is used for：Transmission includes first wave length light（Such as blue light）With second wave length light（Such as red light）First light beam and
Second light beam.
Further, first group of transmission optical module 101 is additionally operable to；It will transmit through described the second of the fluorescent wheel 12
Light beam is transmitted to even smooth part（Alternatively, the even smooth part is the part in guide-lighting optical system）；Described second group
Transmission optical module 111 is additionally operable to；It will transmit through the first light beam of the fluorescent wheel 12 and exported by the fluorescent wheel 12
First beam Propagation to the even smooth part, be embodied as the purpose that image generating unit provides higher source luminance；It is optional
Ground, the even smooth part can be optical wand, and the even smooth part is used for first polarised light that will be focused in even smooth part
The uniform-illumination of beam, second light beam and first light beam, uniform photograph is provided for the image generating unit
It is bright.It can be seen that compared in the prior art by way of increasing laser power, in the embodiment of the present invention, laser described in two groups
The transmission optical module of system can each output light beam, and then the mixing that two light beams can be superimposed to obtain to high brightness is white simultaneously
Light, so as on the basis of light supply apparatus service life is not influenceed, improve the output brightness of light supply apparatus, and then improve
The output brightness of image display apparatus；Further, due to first group of laser in the light supply apparatus of the embodiment of the present invention
Second light beam caused by first light beam caused by device and second group of laser exposes to described glimmering respectively
On halo on two opposite faces of same area, two groups of laser activating systems, energy can be corresponded to by a fluorescence wheel component
The usage quantity of fluorescence converting member and its corresponding driving part is enough reduced, beneficial to the simplification of light source framework.
Alternatively, first group of laser, which is used to produce, includes first wave length light（Such as blue light）The first light beam
（I.e. described first group of laser is mono-colour laser）, second group of laser, which is used to produce, includes the first wave length light
（Such as blue light）The second light beam（I.e. described second group of laser is mono-colour laser）, the phosphor region includes：First
Phosphor region and the second phosphor region；Wherein, first phosphor region is used in first light beam and second polarised light
Sent under the irradiation of beam including second wave length light（Such as red light）The second light beam（Alternatively, at least wrapped in second light beam
Include：Second wave length light；Such as second light beam is the yellow light beam for including red light）；Second phosphor region is used in institute
State and sent under the irradiation of the first light beam and second light beam with the 3rd wavelength（Such as green light）The 3rd light beam；
I.e. described first light beam includes：Second light beam and the 3rd light beam.
Figure 1B is the side view one of fluorescent wheel in light supply apparatus of the present invention, and Fig. 1 C are fluorescent wheel in light supply apparatus of the present invention
Front view.As shown in Figure 1B, the fluorescent wheel is divided into：First phosphor region, second phosphor region and the transmission area；
Alternatively, first phosphor region, second phosphor region and the transmission area can be located at fluorescent wheel substrate（Such as transparency carrier）
Outer circumferential area.As shown in Figure 1 C, the fluorescent wheel includes：Motor 120, fluorescent wheel substrate 121, for transmit first polarization
The film layer 122 of light beam and the second light beam and reflection first light beam, and phosphor powder layer 123.With reference to Figure 1A, Tu1BHe
Shown in Fig. 1 C, when two groups of lasers irradiate simultaneously, light beam caused by laser described in every group is irradiated to described glimmering
On halo substrate 121 on two opposite faces of identical irradiation area（The light beam of same color is produced simultaneously）, so as to improve
The output brightness of light supply apparatus.
Alternatively, first phosphor region, second phosphor region and the transmission area may be additionally located at fluorescent wheel substrate
On whole plectane face, can also there are other set-up modes certainly, the embodiment of the present invention is to first phosphor region, second fluorescence
The set-up mode of area and the transmission area is not restricted.
Alternatively, first group of laser, which is used to produce, includes first wave length light（Such as blue light）With second wave length light
（Such as red light）The first light beam（I.e. described first group of laser is two-color laser device）, second group of laser be used for
Generation includes the first wave length light（Such as blue light）With second wave length light（Such as red light）The second light beam（I.e. described
Two groups of lasers are two-color laser device）, the phosphor region is used in first light beam and second light beam
Sent under irradiation with the 3rd wavelength（Such as green light）The 3rd light beam, i.e., described first light beam includes the 3rd light beam；It is right
Ying Di, the transmission area include：The transmission area of the first wave length light（For transmiting first light beam and described second
The first wave length light that light beam includes）With the transmission area of the second wave length light（For transmiting first light beam
The second wave length light included with second light beam）.
Embodiment two
Fig. 2A is the structural representation of light supply apparatus embodiment two of the present invention, on the basis of above-described embodiment, described first group
Transmission optical module 101 includes：First closing light eyeglass 101a；Second group of transmission optical module 111 includes：Second closing light mirror
Piece 111a；Wherein, it is provided with and is used on the first face of first group of laser 100 in the first closing light eyeglass 101a
Transmit first light beam and reflect the film layer of second light beam, close to institute in the first closing light eyeglass 101a
State the film layer being provided with the second face of fluorescent wheel 12 for transmiting first light beam；The second closing light eyeglass 111a
In be provided with the 3rd face of second group of laser 110 for transmiting second light beam and reflection described the
The film layer of one light beam, it is provided with the fourth face of the fluorescent wheel 12 for saturating in the second closing light eyeglass 11a
Penetrate the film layer of second light beam and reflection first light beam.Wherein, 1）The first closing light eyeglass 101a is used for：Thoroughly
The first light beam caused by first group of laser 100 is crossed, and first light beam is transmitted to the fluorescence
Wheel 12；2）The second closing light eyeglass 111a is used for：Through the second light beam caused by second group of laser 110,
And second light beam is transmitted to the fluorescent wheel 12；3）The fluorescent wheel 12 is additionally operable to：It will transmit through the fluorescence
Second light beam of wheel 12 is transmitted to the first closing light eyeglass 101a；It will transmit through the first polarised light of the fluorescent wheel 12
Beam is transmitted to the second closing light eyeglass 111a；First light beam caused by the fluorescent wheel 12 is exported to described second
Closing light eyeglass 11a；4）The first closing light eyeglass 101a is additionally operable to：The second light beam that will transmit through the fluorescent wheel 12 is defeated
Go out to the even smooth part 13；5）The second closing light eyeglass 111a is additionally operable to：Will transmit through the fluorescent wheel 12 first is inclined
First beam Propagation that light beam and the fluorescent wheel 12 transmit of shaking is to the even smooth part 13.Alternatively, described first
Closing light eyeglass and/or the second closing light eyeglass can be dichroscope or other closing light parts, the present embodiment to this not
It is restricted.
Alternatively, first group of transmission optical module 101 also includes：First convergent lens 101b；Second group of biography
Defeated optical module 111 includes：Second convergent lens 111b；Wherein, 1）The first closing light eyeglass 101a is additionally operable to：It will transmit through
Second light beam of the fluorescent wheel reflexes to the first convergent lens 101b； 2）The first convergent lens 101b is used
In：Second light beam reflected by the first closing light eyeglass 101a is compressed and forms convergent beam, and is transmitted
To the even smooth part 13；3）The second closing light eyeglass 111a is additionally operable to：It will transmit through the first polarization of the fluorescent wheel 12
First light beam that light beam and the fluorescent wheel 12 transmit reflexes to the second convergent lens 111b；4）Second meeting
Poly- lens 111b is used for：First light beam of second closing light eyeglass 111a reflections and first light beam are entered
Row compression forms convergent beam, and transmits to the even smooth part 13.
In order that the convergent beam of the first convergent lens 101b transmission（Including second light beam）And institute
State the convergent beam of the second convergent lens 111b transmission（Including：First light beam and first light beam）All efficiently
Into the even smooth part 13, alternatively, the entrance of the even smooth part 13 is also provided with the portion for changing optical path direction
Part, such as plane mirror or light-combining prism；Alternatively, described device also includes：Light-combining prism（Such as right-angle prism or three
Angle prism）, the light-combining prism is used for second light beam that will be transmitted by the first convergent lens 101b, and
First light beam of the second convergent lens 111b transmission and the first light beam closing light simultaneously reflex to the even light
Part 13.Fig. 2 B are the setting schematic diagram of light supply apparatus neutralizing light prism, and as shown in Figure 2 B, the light-combining prism passes through reflecting surface
Will：Convergent lens in laser system described in every group passes through corresponding speculum（Such as 101e or 111e）The convergent beam reflected
All reflex to the even smooth part 13.Alternatively, the even smooth part 13 is arranged at the top of the fluorescent wheel and is located at institute
State between first laser system and the second laser system.
It can be seen that in the light supply apparatus of the embodiment of the present invention, two groups of laser activating systems are corresponded to by a fluorescent wheel, with
Two beam convergent beams are formed, and then the two beams convergent beam can be superimposed to obtain the mixed white light of high brightness, so as to not only carry
The high output brightness of light supply apparatus, while beneficial to the simplification of light source framework.
Embodiment three
Fig. 2 C are the structural representation of light supply apparatus embodiment three of the present invention, on the basis of above-mentioned Fig. 2A and Fig. 2 B, described the
One group of transmission optical module 101 also includes：First collimation lens set 101c, wherein, the first collimation lens set 101c is set
Between the first closing light eyeglass 101a and the fluorescent wheel 12；The first collimation lens set 101c is used for：It will transmit through institute
The first light beam for stating the first closing light eyeglass 101a is collimated, and fluorescent wheel 12 described in directive；It will transmit through the fluorescent wheel
12 the second light beam is collimated, and the first closing light eyeglass 101a described in directive；And/or second group of transmission optics
Component 111 also includes：Second collimation lens set 111c, wherein, the second collimation lens set 111c is arranged at described second and closed
Between light microscopic piece 111a and the fluorescent wheel 12；The second collimation lens set 111c is used for：It will transmit through the second closing light mirror
Piece 111a the second light beam is collimated, and fluorescent wheel 12 described in directive；Due to caused by the fluorescent wheel described
The dispersion angle of one light beam is very big and directionality is indefinite, and the second collimation lens set 111c is additionally operable to：It will transmit through the fluorescence
First light beam of wheel 12 and first light beam transmitted by the fluorescent wheel 12 are collimated, and second described in directive
Closing light eyeglass 111a.Alternatively, first collimation lens set and second collimation lens set respectively include：Two convex lens.
Alternatively, first group of transmission optical module 101 also includes：First shrink beam system 101d, wherein, described first
Shrink beam system 101d is arranged between first group of laser 100 and the first closing light eyeglass 101a；And/or described
Two groups of transmission optical modules 111 also include：Second shrink beam system 111d, wherein, the second shrink beam system 111d is arranged at institute
State between second group of laser 110 and the second closing light eyeglass 111a.Alternatively, the first shrink beam system and described second
Shrink beam system respectively includes：One convex lens and a concavees lens.
Alternatively, first group of transmission optical module 101 also includes：First speculum 101e, wherein, described first is anti-
Mirror 101e is penetrated to be used for：The first convergent lens 101b convergent beams transmitted are reflexed into the even smooth part 13；And/or
Second group of transmission optical module 111 also includes：Second speculum 111e, wherein, the second speculum 111e is used for：Will
The convergent beam of the second convergent lens 111b transmission reflexes to the even smooth part 13.
Alternatively, first group of laser 100 and/or second group of laser 110 can include：Two rows are vertical
The laser row of placement, wherein, each laser row include：At least two lasers.Alternatively, when described first group is swashed
Light device 100 and/or second group of laser 110 include：During the laser row that two rows are disposed vertically, two row is disposed vertically
Laser row between be provided with speculum in 45 degree direction lines, the speculum is used for will be sharp caused by two row's lasers row
It is photosynthetic to turn into light beam, and shrink beam system corresponding to directive all the way.
It is used for below with fluorescent wheel：Under the irradiation of the described first polarization blue light beam and the second polarization blue light beam
Send the first light beam（Including yellow light beam and green beam）Exemplified by, optic path direction and path are described in detail.Figure
2D is the light path schematic diagram of light supply apparatus embodiment three of the present invention, and it is blue using four kinds of form arrows to represent the first polarization respectively in figure
Color beam, the second polarization blue light beam, yellow light beam and the optic path direction of green beam and path.As shown in Figure 2 D,（1）
The first larger polarization blue light beam of area caused by first group of laser 100 forms a branch of face by the first shrink beam system 101d
The first smaller and parallel polarization blue light beam of product, directive the first closing light eyeglass 101a（Alternatively, the first closing light eyeglass
It is provided with 101a on the first face of first group of laser 100 for transmiting the first polarization blue light beam and anti-
The film layer of the second polarization blue light beam is penetrated, and close to the second face of the fluorescent wheel 12 in the first closing light eyeglass 101a
On be provided with for transmit it is described first polarization blue light beam film layer）, described first, which polarizes blue light beam, passes through the first closing light
Eyeglass 101a transmissive illumination is saturating by the described first collimation to the first collimation lens set 101c, the first polarization blue light beam
Microscope group 101c collimated beam sizes further reduce and directive fluorescent wheel；With the rotation of fluorescent wheel 12, first polarization
Blue light beam can be irradiated to first phosphor region of fluorescent wheel successively（It can be sent out under the irradiation of the described first polarization blue light beam
Go out yellow light beam）, second phosphor region（Green beam can be sent under the irradiation of the described first polarization blue light beam）And institute
State transmission area（The first polarization blue light beam can be transmitted）, 1）On the one hand, the fluorescent wheel 12 is passed through by the transmission area
First polarization blue light beam transmit to the second collimation lens set 111c；2）On the other hand, due to the phosphor region direction
It is provided with the face of the first laser system 10 for transmiting the first polarization blue light beam and the second polarization blue light beam, and instead
Penetrate the film layer of yellow light beam and green beam, the fluorescence under the irradiation that the fluorescent wheel 12 polarizes blue light beam by described first
Yellow light beam and green beam caused by wheel are exported to the second collimation lens set 111c.
（2）Second group of laser 110 produces the second larger polarization blue light beam of area and passes through the second shrink beam system 111d
Form the second smaller and parallel polarization blue light beam of a branch of area, directive the second closing light eyeglass 111a（Alternatively, described second
It is provided with closing light eyeglass 111a on the 3rd face of second group of laser 110 for transmiting the second polarization blueness
The film layer of light beam and reflection the first polarization blue light beam, and close to the fluorescent wheel 12 in the second closing light eyeglass 11a
Fourth face on be provided with for transmiting the second polarization blue light beam and reflecting the yellow light beam and the green beam
Film layer）, the second polarization blue light beam is by the second closing light eyeglass 111a transmissive illumination to the second collimation lens set
111c, the second polarization blue light beam further reduce simultaneously by the collimated beam sizes of the second collimation lens set 111c
Directive fluorescent wheel；With the rotation of fluorescent wheel 12, the second polarization blue light beam can be irradiated to described the of fluorescent wheel successively
One phosphor region（Yellow light beam can be sent under the irradiation of the described second polarization blue light beam）, second phosphor region（Described
Green beam can be sent under the irradiation of second polarization blue light beam）With the transmission area（The second polarization blue light can be transmitted
Beam）, 1）On the one hand, transmitted by second polarization blue light beam of the transmission area through the fluorescent wheel 12 to the described first standard
Straight lens group 101c；Further, the second polarization blue light beam is penetrated by the collimation of the first collimation lens set 101c
To the first closing light eyeglass 101a（Alternatively, close to first group of laser 100 in the first closing light eyeglass 101a
The film layer for transmiting the first polarization blue light beam and reflection the second polarization blue light beam is provided with first face）,
By the transmission and reflection of the first closing light eyeglass 101a to the first convergent lens 101b；Further, described second is inclined
The blue light beam that shakes exposes to the first speculum 101e through the first convergent lens 101b, by the first speculum 101e
Reflex to the even smooth part 13（Alternatively, the porch of the even smooth part is provided with light-combining prism）；2）On the other hand, by
In the phosphor region towards being provided with the face of the first laser system 10 for transmiting the first polarization blue light beam and second
Blue light beam is polarized, and reflects the film layer of yellow light beam and green beam, the fluorescent wheel 12 swashs second light beam
Yellow light beam and green beam caused by the fluorescent wheel are exported to the second collimation lens set 111c under the irradiation of light；Enter one
Step ground, the first polarization blue light beam, the fluorescent wheel 12 through the fluorescent wheel 12 are in the described first polarization blue light beam
Yellow light beam caused by irradiation is lower and green beam and the fluorescent wheel 12 are in the described second irradiation for polarizing blue light beam
Yellow light beam caused by lower and green beam are by the second closing light described in the collimation directive of the second collimation lens set 111c
Eyeglass 111a（It is provided with the second closing light eyeglass 111a on the 3rd face of second group of laser 110 for saturating
Penetrate the film layer of the second polarization blue light beam and reflection the first polarization blue light beam, and the second closing light eyeglass 11a
In be provided with the fourth face of the fluorescent wheel 12 for transmiting the second polarization blue light beam and the reflection yellow
The film layer of light beam and the green beam）, it is saturating to the described second convergence by the transmission and reflection of the second closing light eyeglass 111a
Mirror 111b, further, the second speculum 111e is exposed to through the second convergent lens 111b, by the described second reflection
Mirror 111e reflexes to the even smooth part 13.It can be seen that in the present embodiment, convergent lens corresponding to two groups of laser systems can be simultaneously defeated
Go out a branch of convergent beam, can be superimposed convergent beam described in two beams by light-combining prism to obtain the mixed white light of high brightness, so as to
Improve the output brightness of light supply apparatus.
Alternatively, fin is also provided between the shrink beam system in every group of laser system and corresponding closing light eyeglass,
The fin is used for：The light beam after shrink beam is homogenized, to prevent from causing because the optical density unevenness of light beam is even
Hot-spot can be caused by being irradiated on fluorescent wheel, so as to the problem of causing to burn to fluorescent material and matrix.
Example IV
Fig. 3 is the structural representation of image display apparatus embodiment of the present invention, as shown in figure 3, the image of the embodiment of the present invention shows
Showing device 30 includes：Guide-lighting optical system 301, image generating unit 302 and light supply apparatus 303；Wherein, the light supply apparatus
303 can use the structure of the above-mentioned light supply apparatus any embodiment of the present invention, and its implementing principle and technical effect is similar, herein not
Repeat again.Alternatively, the guide-lighting optical system includes：Even smooth part.
Alternatively, the guide-lighting optical system also includes filter wheel, wherein, the filter wheel is arranged at the even smooth part
Between the image generating unit.
The light supply apparatus of the present embodiment image display apparatus corresponds to two groups of laser activating systems by a fluorescent wheel, with
Two beam convergent beams are formed, and then the mixed white light of the high brightness obtained after can the two beams convergent beam be superimposed is as described in
The light source of image generating unit, so as on the basis of light supply apparatus service life is not influenceed, not only increase light supply apparatus
The output brightness and output brightness of image display apparatus, while beneficial to the simplification of light source framework.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (12)
- A kind of 1. light supply apparatus, it is characterised in that including：First laser system, second laser system and fluorescent wheel；The first laser system includes：First group of laser and First group of transmission optical module；The second laser system includes：Second group of laser and second group of transmission optical module；Institute Stating fluorescent wheel includes：Phosphor region and transmission area；Wherein, first group of laser is used to produce the first light beam for including first wave length light；Second group of laser is used to produce the second light beam for including the first wave length light；First group of transmission optical module includes：First closing light eyeglass；Second group of transmission optical module includes：Second closes Light microscopic piece；First light beam passes through the second closing light eyeglass by the first closing light eyeglass, second light beam Expose to simultaneously on two opposite faces of same area on the fluorescent wheel respectively；The phosphor region of the fluorescent wheel is used to send bag under the irradiation of first light beam and second light beam Include the first light beam of at least one wavelength different from first light beam and second light beam, and by described the One light beam is exported to second group of transmission optical module；Transmit first light beam and second light beam；Its In, the phosphor region is towards being provided with the face of the first laser system for transmiting first light beam and described the Two light beams, and reflect the film layer of first light beam；And the transmission area of the fluorescent wheel is used to transmit first light beam and second light beam；Wherein, it is provided with the first closing light eyeglass on the first face of first group of laser for transmiting described the The film layer of one light beam and reflection second light beam, close to the second of the fluorescent wheel in the first closing light eyeglass The film layer for transmiting first light beam is provided with face；It is provided with the second closing light eyeglass on the 3rd face of close second group of laser inclined for transmiting described second Shake the film layer of light beam and reflection first light beam, in the second closing light eyeglass on the fourth face of the fluorescent wheel It is provided with the film layer for transmiting second light beam and reflection first light beam；First light beam, the second light beam and first light beam, which are focused in even smooth part, forms mixed white light.
- 2. light supply apparatus according to claim 1, it is characterised in that the first laser system and the second laser system System is arranged at the both sides of the fluorescent wheel.
- 3. light supply apparatus according to claim 1, it is characterised in that the fluorescent wheel includes transparency carrier, described transparent The phosphor region and transmission area are set on substrate；The phosphor powder layer that the phosphor region is fluorescent material and inorganic material is mixed, and invest a table of the transparency carrier Face, first light beam are exposed in the one side of the phosphor powder layer, and second light beam passes through the transparent base The another side of the phosphor powder layer is exposed to after plate again.
- 4. light supply apparatus according to claim 1, it is characterised in that the phosphor region is that fluorescent material and inorganic material mix Manufactured phosphor powder layer, first light beam and the second light beam are radiated at the two sides of the phosphor powder layer respectively.
- 5. light supply apparatus according to claim 1, it is characterised in that first group of laser, which is used to produce, includes first First light beam of wavelength light, second group of laser are used to produce the second polarised light for including the first wave length light Beam, the phosphor region include：First phosphor region and the second phosphor region；Wherein, first phosphor region is sent under the irradiation of first light beam and second light beam including Second light beam of two wavelength；Second phosphor region is sent with the 3rd ripple under the irradiation of first light beam and second light beam The 3rd long light beam；First light beam includes：Second light beam and the 3rd light beam.
- 6. light supply apparatus according to claim 1, it is characterised in that described device also includes：Light-combining prism；The light-combining prism is used for：The second light beam that will be transmitted by first group of transmission optical module, and it is described The first light beam that second group of transmission optical module is transmitted and the first light beam closing light are simultaneously transmitted into the even smooth part.
- 7. according to the light supply apparatus any one of claim 1-6, it is characterised in thatThe first closing light eyeglass is used for：Through the first light beam caused by first group of laser, and by described One light beam is transmitted to the fluorescent wheel；The second closing light eyeglass is used for：Through the second light beam caused by second group of laser, and by described Two light beams are transmitted to the fluorescent wheel；The fluorescent wheel is additionally operable to：The second light beam that will transmit through the fluorescent wheel is transmitted to the first closing light eyeglass； The first light beam that will transmit through the fluorescent wheel is transmitted to the second closing light eyeglass；By institute caused by the fluorescent wheel The first light beam is stated to export to the second closing light eyeglass；The first closing light eyeglass is additionally operable to：The second light beam that will transmit through the fluorescent wheel is transmitted to the even light portion Part；The second closing light eyeglass is additionally operable to：It will transmit through the first light beam and the fluorescent wheel transmission of the fluorescent wheel First beam Propagation to the even smooth part.
- 8. light supply apparatus according to claim 7, it is characterised in that first group of transmission optical module also includes：The One convergent lens；Second group of transmission optical module includes：Second convergent lens；Wherein, the first closing light eyeglass is additionally operable to：The second light beam that will transmit through the fluorescent wheel reflexes to described One convergent lens；First convergent lens is used for：Shape will be compressed by second light beam of the first closing light lens reflecting Into convergent beam, and transmit to the even smooth part；The second closing light eyeglass is additionally operable to：It will transmit through the first light beam and the fluorescent wheel transmission of the fluorescent wheel First light beam reflex to second convergent lens；Second convergent lens is used for：By first light beam of the second closing light lens reflecting and described first Light beam is compressed to form convergent beam, and transmits to the even smooth part.
- 9. light supply apparatus according to claim 7, it is characterised in that first group of transmission optical module also includes：The Collimating lens group, wherein, first collimation lens set is arranged between the first closing light eyeglass and the fluorescent wheel；And/or second group of transmission optical module also includes：Second collimation lens set, wherein, second collimation lens set It is arranged between the second closing light eyeglass and the fluorescent wheel.
- 10. light supply apparatus according to claim 7, it is characterised in that first group of transmission optical module also includes：The One shrink beam system, wherein, the first shrink beam system is arranged between first group of laser and the first closing light eyeglass；And/or second group of transmission optical module also includes：Second shrink beam system, wherein, the second shrink beam system is set Between second group of laser and the second closing light eyeglass.
- 11. light supply apparatus according to claim 7, it is characterised in that first group of transmission optical module also includes：The One speculum, wherein, first speculum is used for：The convergent beam that first convergent lens transmits is reflexed into the even light portion Part；And/or second group of transmission optical module also includes：Second speculum, wherein, second speculum is used for：Will The convergent beam of second convergent lens transmission reflexes to the even smooth part.
- A kind of 12. image display apparatus, it is characterised in that including：Guide-lighting optical system, image generating unit and as right will Seek the light supply apparatus any one of 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976097.3A CN107561840A (en) | 2015-12-23 | 2015-12-23 | Light supply apparatus and image display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976097.3A CN107561840A (en) | 2015-12-23 | 2015-12-23 | Light supply apparatus and image display apparatus |
| CN201510980898.8A CN105446064B (en) | 2015-12-23 | 2015-12-23 | Light supply apparatus and image display apparatus |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510980898.8A Division CN105446064B (en) | 2015-12-23 | 2015-12-23 | Light supply apparatus and image display apparatus |
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| CN107561840A true CN107561840A (en) | 2018-01-09 |
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| CN201710976075.7A Pending CN107664908A (en) | 2015-12-23 | 2015-12-23 | Light supply apparatus and image display apparatus |
| CN201710976122.8A Pending CN107728414A (en) | 2015-12-23 | 2015-12-23 | Light supply apparatus and image display apparatus |
| CN201710976097.3A Pending CN107561840A (en) | 2015-12-23 | 2015-12-23 | Light supply apparatus and image display apparatus |
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| CN201710976075.7A Pending CN107664908A (en) | 2015-12-23 | 2015-12-23 | Light supply apparatus and image display apparatus |
| CN201710976122.8A Pending CN107728414A (en) | 2015-12-23 | 2015-12-23 | Light supply apparatus and image display apparatus |
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| CN105700281B (en) * | 2016-04-06 | 2018-05-25 | 深圳市华星光电技术有限公司 | Light source assembly and projecting apparatus |
| CN108426176A (en) * | 2017-02-14 | 2018-08-21 | 上海晟智电子科技有限公司 | A kind of holosymmetric light source module group structure |
| CN110082998A (en) * | 2018-01-25 | 2019-08-02 | 深圳光峰科技股份有限公司 | Laser Multiplexing apparatus and display equipment |
| CN110398875A (en) * | 2018-04-24 | 2019-11-01 | 深圳光峰科技股份有限公司 | Light-source system |
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| US20120133903A1 (en) * | 2010-11-30 | 2012-05-31 | Panasonic Corporation | Light source device and projection display apparatus |
| US20120268503A1 (en) * | 2011-04-20 | 2012-10-25 | Panasonic Corporation | Light Source Device and Projection Display Apparatus |
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- 2015-12-23 CN CN201510980898.8A patent/CN105446064B/en active Active
- 2015-12-23 CN CN201710976075.7A patent/CN107664908A/en active Pending
- 2015-12-23 CN CN201710976122.8A patent/CN107728414A/en active Pending
- 2015-12-23 CN CN201710976097.3A patent/CN107561840A/en active Pending
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| US20120133903A1 (en) * | 2010-11-30 | 2012-05-31 | Panasonic Corporation | Light source device and projection display apparatus |
| CN103261964A (en) * | 2010-12-08 | 2013-08-21 | Nec显示器解决方案株式会社 | Lighting optical system and projection display device comprising same |
| US20120268503A1 (en) * | 2011-04-20 | 2012-10-25 | Panasonic Corporation | Light Source Device and Projection Display Apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107664908A (en) | 2018-02-06 |
| CN105446064B (en) | 2017-10-03 |
| CN105446064A (en) | 2016-03-30 |
| CN107728414A (en) | 2018-02-23 |
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Application publication date: 20180109 |