CN106681090A - Light source module and projection equipment - Google Patents
Light source module and projection equipment Download PDFInfo
- Publication number
- CN106681090A CN106681090A CN201510746465.6A CN201510746465A CN106681090A CN 106681090 A CN106681090 A CN 106681090A CN 201510746465 A CN201510746465 A CN 201510746465A CN 106681090 A CN106681090 A CN 106681090A
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- Prior art keywords
- light
- colour wheel
- light source
- reflection
- wheel area
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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
- G03B21/2066—Reflectors in illumination beam
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Projection Apparatus (AREA)
Abstract
The invention provides a light source module and projection equipment. The light source module comprises a first light source, a second light source, a color wheel and a reflection and transmission plate, wherein the first light source is used for emitting first light; the second light source is used for emitting second light; the color wheel includes a first color wheel region and a second color wheel region; the first color wheel region and the second color wheel region are annular regions without overlapping; the first color wheel region generates and reflects fluorescence with at least one color under irradiation of the first light; the second color wheel region is used for reflecting or transmitting the second light or emits mixed light of the fluorescence with one color and the second light under irradiation of the second light; and the reflection and transmission plate is disposed at an intersection position between a light emission path of the first light source and a light emission path of the first color wheel region, and is used for reflecting the first light and the second light, transmitting the fluorescence emitted from the first color wheel region and reflecting the fluorescence emitted from the second color wheel region so that the second light and the fluorescence are combined into a beam of light. The light source module and the projection equipment provided by the invention can improve the light emission efficiency, the light emission brightness and the heat dissipation performance.
Description
Technical field
The present invention relates to projection art, more particularly, it relates to a kind of light source module and projector equipment.
Background technology
The light source module of existing micro-projection device includes that excitation source, transmission-type colour wheel and light collect system
System, wherein, excitation source and light collecting system are respectively arranged at the both sides of transmission-type colour wheel, and transmission-type
There is different fluorescent material, these fluorescent material include that red fluorescence powder, green are glimmering in the zones of different of colour wheel
Light powder and blue colour fluorescent powder.When the laser of excitation source outgoing is radiated at the zones of different of transmission-type colour wheel,
The fluorescence of different colours can be inspired, the fluorescence of these different colours can mix after being collected by light collecting system
White light into needed for projection.
But, because the fluorescence of transmission-type colour wheel outgoing could need to be collected through colour wheel by light collecting system,
This will reduce the light extraction efficiency and emitting brightness of light source module, impact transmission-type colour wheel and light source module
Radiating.
The content of the invention
In view of this, the invention provides a kind of light source module and projector equipment, to solve existing light source die
Group light extraction efficiency and emitting brightness is low, weak heat-dissipating problem.
For achieving the above object, the present invention provides following technical scheme：
A kind of light source module, including：
First light source and secondary light source, first light source is used to launch the first light, and the secondary light source is used
In launching the second light；
Colour wheel, the colour wheel includes the first colour wheel area and the second colour wheel area, the first colour wheel area and second
Colour wheel area is the circular region of no overlap, and the first colour wheel area produces under the irradiation of first light
The fluorescence of at least one color is given birth to and reflects, the second colour wheel area is used to reflecting or transmiting second light
Or under the irradiation of the second light a kind of fluorescence of color of outgoing and the second light mixed light；
Reflection and transmission piece, be arranged at first light source go out light light path and the first colour wheel area go out light
The infall of light path, for reflecting first light and the second light, transmiting the first colour wheel area outgoing
Fluorescence, the fluorescence for reflecting the second colour wheel area outgoing, so that second light and fluorescence synthesis one
Shu Guang.
Preferably, the light source module also includes light collecting system, and the light collecting system is arranged at described
Between colour wheel and the reflection and transmission piece, for collecting the light of the colour wheel outgoing, and by the light
It is transmitted through the reflection and transmission piece.
Preferably, the light source module also includes being arranged between the second colour wheel area and the second reflector plate
Lens group, the lens group is used to assemble the second light of the second colour wheel area reflection.
Preferably, the light source module also includes the first lens group and the second lens group, first lens
Group is located between the secondary light source and the second colour wheel area, and second lens group is located at described second
Between colour wheel area and the reflector plate.
Preferably, the light source module also includes the first reflector plate and the second reflector plate；
First reflector plate goes out in light light path positioned at the secondary light source, for reflecting second light
Second light of source transmitting is to the second colour wheel area；
The second colour wheel area is reflector space, for the second light scattering for reflecting first reflector plate
And reflex to second reflector plate；
Second reflector plate is used to that second light to be reflexed to the exiting surface of the reflection and transmission piece, with
The reflection and transmission piece is set to reflect second light.
Preferably, the light source module also includes reflector plate, and the reflector plate and the secondary light source are distinguished
Positioned at the both sides of the colour wheel, the reflector plate is located at the same side of the colour wheel with the reflection and transmission piece；
The second colour wheel area is regional transmission, for transmiting the second light of the secondary light source generation to institute
State reflector plate；
The reflector plate is used to for the second light that the second colour wheel area transmits to reflex to the reflection and transmission piece
Exiting surface so that the reflection and transmission piece reflects second light.
Preferably, the light source module also includes the first reflector plate and at least three second reflector plates；
First reflector plate is used to for the second light of the secondary light source outgoing to reflex to second colour wheel
Area；
The second colour wheel area is regional transmission, for transmiting the second light of the first reflector plate reflection；
Described at least three second reflector plates are used to for the second light that the second colour wheel area transmits to reflex to institute
The exiting surface of reflection and transmission piece is stated, so that the reflection and transmission piece reflects second light.
Preferably, the first colour wheel area is located at the outside in the second colour wheel area；Or, described first
Colour wheel area is located at the inner side in the second colour wheel area.
Preferably, first light and the second light are blue light, and the fluorescence that the first colour wheel area produces is Huang
Light；
Or, first light and second is blue light, the fluorescence that the first colour wheel area produces be HONGGUANG and
Green glow.
A kind of projector equipment, it is characterised in that including the light source module described in as above any one.
Compared with prior art, technical scheme provided by the present invention has advantages below：
Light source module provided by the present invention and projector equipment, the first colour wheel due to producing simultaneously outgoing fluorescence
Area can reflected fluorescent light be the first colour wheel area for reflective colour wheel, and the light extraction efficiency of reflective colour wheel and go out light
Brightness is above transmission-type colour wheel, it is thus possible to improve the light extraction efficiency and emitting brightness of light source module,
And further improve the heat dispersion of light source module and projector equipment.
Because the light source module that the application is provided irradiates the different piece of a colour wheel using two light sources
Three primary colours light is obtained, accordingly, with respect to prior art, light source volume greatly reduces, be conducive to projection
The miniaturization of machine.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Apply the accompanying drawing to be used needed for example or description of the prior art to be briefly described, it should be apparent that, below
Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not
On the premise of paying creative work, can be with according to the other accompanying drawings of accompanying drawing acquisition for providing.
Fig. 1 is the structural representation of the light source module that the embodiment of the present invention one is provided；
Fig. 2 is the structural representation of the colour wheel that the embodiment of the present invention one is provided；
Fig. 3 is the structural representation of the light source module that the embodiment of the present invention two is provided；
Fig. 4 is a kind of structural representation of light source module that the embodiment of the present invention three is provided；
Fig. 5 is the structural representation of another kind of light source module that the embodiment of the present invention three is provided.
Specific embodiment
As described in background, the light source module of existing micro projector, because transmission-type colour wheel goes out
The fluorescence penetrated could need to be collected through colour wheel by light collecting system, and what this will reduce light source module goes out light efficiency
Rate and emitting brightness, affect the radiating of transmission-type colour wheel and light source module.
Based on this, the invention provides a kind of light source module, with the problems referred to above for overcoming prior art to exist,
Including：
First light source and secondary light source, first light source is used to launch the first light, and the secondary light source is used
In launching the second light；
Colour wheel, the colour wheel includes the first colour wheel area and the second colour wheel area, the first colour wheel area and second
Colour wheel area is the circular region of no overlap, and the first colour wheel area produces under the irradiation of first light
The fluorescence of at least one color is given birth to and reflects, the second colour wheel area is used to reflecting or transmiting second light
Or under the irradiation of the second light a kind of fluorescence of color of outgoing and the second light mixed light；
Reflection and transmission piece, be arranged at first light source go out light light path and the first colour wheel area go out light
The infall of light path, for reflecting first light and the second light, transmiting the first colour wheel area outgoing
Fluorescence, the fluorescence for reflecting the second colour wheel area outgoing, so that second light and fluorescence synthesis one
Shu Guang.
Present invention also offers a kind of projector equipment, including light source module as above.
Light source module provided by the present invention and projector equipment, the first colour wheel due to producing simultaneously outgoing fluorescence
Area can reflected fluorescent light, and the light extraction efficiency and emitting brightness of reflective colour wheel are above transmission-type colour wheel, because
This, can improve the light extraction efficiency and emitting brightness of light source module, and further improve light source module and throwing
The heat dispersion of shadow equipment.
Because the light source module that the application is provided irradiates the different piece of a colour wheel using two light sources
Three primary colours light is obtained, accordingly, with respect to prior art, light source volume greatly reduces, be conducive to projection
The miniaturization of machine.
It is more than the core concept of the present invention, to enable the above objects, features and advantages of the present invention more
Plus become apparent, the specific embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Many details are elaborated in the following description in order to fully understand the present invention, but this
Bright to be different from alternate manner described here implementing using other, those skilled in the art can be with
Similar application, therefore the present invention are done in the case of without prejudice to intension of the present invention not by following public concrete
The restriction of embodiment.
Secondly, the present invention is described in detail with reference to schematic diagram, is just when the embodiment of the present invention is described in detail
In explanation, represent that the profile of device architecture can disobey general ratio and make partial enlargement, and the signal
Figure is example, and its here should not limit the scope of protection of the invention.Additionally, should wrap in actual fabrication
Three-dimensional space containing length, width and depth.
Describe in detail below by several embodiments.
Embodiment one
A kind of light source module is present embodiments provided, as shown in figure 1, including the first light source 40, the second light
Source 41, colour wheel 42, light collecting system 43, lens group 44, reflection and transmission piece 45, the first reflector plate 46
With the second reflector plate 47.
Wherein, the first light source 40 is used for the light of outgoing first, and secondary light source 41 is used for the light of outgoing second.This
In embodiment, the first light source 40 and secondary light source 41 can be identical luminescent device, such as both at
The laser instrument of the blue laser of transmitting, but, the present invention is not limited to this, in other embodiments, first
Light source 40 and secondary light source 41 can be different luminescent devices, and for example, the first light source 40 is blue for transmitting
The laser instrument of light, secondary light source 41 is the light emitting diode of transmitting blue light.Also, the first light and the second light
Color can be with identical, it is also possible to it is different.Only it is with the first light and the second light in embodiments of the invention
Blue laser λ0As a example by illustrate, herein the first light and the second light are blue laser λ0, do not represent first
The wavelength of light and the second light is necessarily identical, that is to say, that the dominant wavelength of the first light and the second light can not also
Together.
In the present embodiment, colour wheel 42 includes the first colour wheel area 420 and the second colour wheel area 421, such as Fig. 2 institutes
Show, the first colour wheel area 420 and the second colour wheel area 421 for no overlap annular region, and the first colour wheel area
420 outsides for being located at the second colour wheel area 421, but the present invention is not limited to this, in other embodiments,
First colour wheel area 420 can also be located at the inner side in the second colour wheel area 421.Additionally, colour wheel 42 also has driving
Dynamic device, for drive colour wheel 42 in the same direction (direction shown in arrow) around central axis.
Wherein, the first colour wheel area 420 produces the fluorescence of at least one color under the irradiation of the first light, and
And, the fluorescence of generation can reflex to reflection and transmission piece 45 by the first colour wheel area 420.Second colour wheel area 421
For reflector space or regional transmission, for reflecting or transmiting the second light, specifically, in the present embodiment
Two colour wheel areas 421 are reflector space, such as reflective lambert's scattering surface.
Additionally, the second colour wheel area 421 can also produce a kind of color while reflecting or transmission second is smooth
Fluorescence, i.e. the second colour wheel area 421 be additionally operable to a kind of fluorescence of color of the outgoing under the irradiation of the second light and
The mixed light of the second light.For example, when the second light has deviation such as purple partially for the color of blue light and blue light, can
To participate in a small amount of fluorescent material such as green fluorescence powder, the green produced by green fluorescence powder in the second colour wheel area 421
Fluorescence is correcting the color of blue light.Make this anti-it is possible to further the plated film at reflection and transmission piece 45
The green fluorescence that the transmission transmission of piece 45 first colour wheel area 420 produces is penetrated, reflects what the second colour wheel area 421 produced
Green fluorescence so that the green fluorescence after green fluorescence and reflection and the transmission or reflection of reflection and transmission piece 45 after transmission
Other light compositing white lights.
In the present embodiment, reflection and transmission piece 45 is used for the first light of reflection and the second light is blue laser λ0, transmission
The fluorescence λ of the outgoing of the first colour wheel area 4201；Light collecting system 43 is arranged at colour wheel 42 and reflection and transmission piece
Between 45, including at least one collecting lenses, for collecting the light of the outgoing of colour wheel 42, and by the light
Line is transmitted through reflection and transmission piece 45；First reflector plate 46 is used for
Blue laser λ0Reflex to the second colour wheel area 421；Second colour wheel area 421 is used to reflect the first reflector plate 46
The second light be blue laser λ0Scatter and reflex to the second reflector plate 47；Second reflector plate 47 is used for the
Second light of the reflection of two colour wheel area 421 is blue laser λ0The exiting surface of reflection and transmission piece 45 is reflexed to, with
Reflection and transmission piece 45 is set to reflect the i.e. blue laser λ of the second light0。
During the light source module that the present embodiment is provided works, the first light of the outgoing of the first light source 40 is indigo plant
Laser λ0Can incide on reflection and transmission piece 45, the first light can be blue laser λ by reflection and transmission piece 450Reflection
To in the first colour wheel area 420 of colour wheel 42；It is glimmering in the first colour wheel area 420 during colour wheel 42 is rotated
Light powder can turn to the i.e. blue laser λ of the first light0Light path on when, and in the blue laser λ0Irradiation under produce
The fluorescence λ of respective color1, fluorescence λ1Can be reflected by the first colour wheel area 420, the fluorescence λ after reflection1Quilt
Light collecting system 43 is transmitted through reflection and transmission piece 45 after collecting；
Second light of the outgoing of secondary light source 41 is blue laser λ0Color is incided after the first reflector plate 46 reflects
In second colour wheel area 421 of wheel 42, scatter through the second colour wheel area 421 and incide the second reflection after reflecting
On piece 47, and the exiting surface of reflection and transmission piece 35 is reflexed to by the second reflector plate 47；
Through the i.e. blue laser λ of the second light of the reflection of reflection and transmission piece 350With the fluorescence through reflection and transmission piece 35
λ1White light needed for composite projection, and it is supplied to follow-up projection arrangement.
In the present embodiment, rotation and the first light source 40 of control and the secondary light source of control colour wheel 42 can be passed through
41 switch is being formed with second light and fluorescence λ of sequential1, so that the second light and fluorescence λ1Form projection to use
White light.For example, the first sequential, opens the first light source 40, and the first colour wheel area 420 turns to the first light i.e.
Blue laser λ0Light path on produce fluorescence λ1, fluorescence λ1By light collecting system 43 and reflection and transmission piece 45
Outgoing afterwards, forms the emergent light of the first sequential；Second sequential, opens secondary light source 41, and the second light is indigo plant
Laser λ0After the first reflector plate 46, the second colour wheel area 421, the second reflector plate 47 reflect, then reflected
Outgoing after the transmission reflection of piece 47, forms the emergent light of the second sequential.
Optionally, the first light and the second light are blue laser λ0, the fluorescence λ that the first colour wheel area 420 produces1For
Gold-tinted, reflection and transmission piece 45 transmits the diaphragm of gold-tinted for reflection blue light.Or, the first light and the second light are
Blue laser λ0, the first 420 points of colour wheel area is red fluorescent material section and green fluorescence powder section, and red fluorescent material section is turned to
First light is blue laser λ0Light path on when the fluorescence λ that produces1For HONGGUANG, green fluorescence powder section turns to first
Light is blue laser λ0Light path on when the fluorescence λ that produces1For green glow, now reflection and transmission piece 45 is blue for reflection
The diaphragm of light transmission HONGGUANG and green glow.
In Fig. 1 of the present embodiment, the top half outgoing of the first colour wheel 42 is fluorescence λ1, the latter half
Outgoing is exciting light λ0But, the present invention is not limited to this, in other embodiments, can pass through
Change the position (above move or move down) of colour wheel 42 to make the latter half outgoing fluorescence λ of colour wheel 421,
Top half outgoing exciting light λ0。
The light source module that the present embodiment is provided, excitation source, reflection and transmission piece and light collecting system are located at the
The same side of color wheel, such that it is able to reduce the volume of light source module；Also, the present embodiment adopts two
Light source irradiates the different piece of a colour wheel and three primary colours light is obtained, accordingly, with respect to prior art,
Light source volume greatly reduces, and is conducive to the miniaturization of scialyscope；Additionally, the first colour wheel area can reflect glimmering
Light is the first colour wheel area for reflective colour wheel, due to the light extraction efficiency and emitting brightness of reflective colour wheel it is high
In transmission-type colour wheel, light extraction efficiency, emitting brightness and the heat dispersion of light source module is this improves.
Embodiment two
A kind of light source module is present embodiments provided, as shown in figure 3, including the first light source 50, the second light
Source 51, colour wheel 52, light collecting system 53, the first lens group 54, the second lens group 55, reflection and transmission
Piece 56, reflector plate 57.
In the present embodiment, in the structure and embodiment one of colour wheel 52, the first colour wheel area and the second colour wheel area
Colour wheel 42, the first colour wheel area 420 are identical with the structure of the second colour wheel area 421, and its difference is, this
The second colour wheel area in embodiment is regional transmission, for transmiting the second light of the generation of secondary light source 51 to anti-
Piece 57 is penetrated, the fluorescent material that the second colour wheel area in certain the present embodiment can also have at least one color comes right
Second light of transmission carries out the correction of color.Based on this, the secondary light source 51 and reflector plate in the present embodiment
57 respectively positioned at the both sides of colour wheel 52, and reflector plate 57 and reflection and transmission piece 56 are located at the same of colour wheel 52
Side, as shown in Figure 3.
Equally, only with the first light and the second light as blue laser λ in the present embodiment0As a example by illustrate.
Wherein, reflection and transmission piece 56 is used for the first light of reflection and the second light is blue laser λ0, transmission the first color
The fluorescence λ of wheel area's outgoing1；The second light that reflector plate 57 is used to transmit in the second colour wheel area is blue laser λ0
The exiting surface of reflection and transmission piece 56 is reflexed to, so that it is blue laser λ that reflection and transmission piece 56 reflects the second light0。
During the light source module that the present embodiment is provided works, the first light of the outgoing of the first light source 50 is indigo plant
Laser λ0Can incide on reflection and transmission piece 56, the first light can be blue laser λ by reflection and transmission piece 560Reflection
To in the first colour wheel area of colour wheel 52；Fluorescent material in first colour wheel area is blue laser λ in the first light0Photograph
Penetrate the lower fluorescence λ that can produce respective color1, fluorescence λ1Can be reflected by the first colour wheel area, it is glimmering after reflection
Light λ1Reflection and transmission piece 56 is transmitted through after being collected by light collecting system 53；
Second light of the outgoing of secondary light source 51 is blue laser λ0The is incided after the first lens group 54 is collected
Two colour wheel areas, the second light after being scattered and transmitted by the second colour wheel area is blue laser λ0Through the second lens group
Incide after 55 on reflector plate 57, the second light is blue laser λ by reflector plate 570Reflex to reflection and transmission piece 56
Exiting surface；
Through the i.e. blue laser λ of the second light of the reflection of reflection and transmission piece 560With the fluorescence through reflection and transmission piece 56
λ1Synthesis beam of white light, and it is supplied to follow-up projection arrangement.
Optionally, the first light source 50 and secondary light source 51 in the present embodiment is the laser instrument of the blue laser of transmitting,
The fluorescence λ that first colour wheel area produces1For gold-tinted, reflection and transmission piece 56 is the diaphragm that reflection blue light transmits gold-tinted.
Or, the fluorescence λ that the first colour wheel area produces1For HONGGUANG and green glow, reflection and transmission piece 56 is that reflection blue light is saturating
Penetrate the diaphragm of HONGGUANG and green glow.
Additionally, the first light source 50 and secondary light source 51 can be different luminescent devices, for example, the first light
Source 50 is the laser instrument of the blue laser of transmitting, and secondary light source 51 is the light emitting diode of transmitting blue light, when second
When light source 51 is light emitting diode, the second light of the transmitting of secondary light source 51 can be without the second colour wheel area
Scatter and directly outgoing, for example, the second light of the transmitting of secondary light source 51 can be directly transmitted to reflection and transmission
The exiting surface of piece 56, so that the second light synthesizes light beam with fluorescence.
In the present embodiment, the first colour wheel area may be located at the outside in the second colour wheel area, it is also possible to positioned at second
The inner side in colour wheel area, the present invention is not limited to this.
Equally, first light source 50 and second of rotation and control of control colour wheel 52 can be passed through in the present embodiment
The switch of light source 51 is being formed with the blue laser λ of sequential0With fluorescence λ1, so that blue laser λ0With fluorescence λ1
Form the white light of projection.For example, the first sequential, opens the first light source 50, and the first colour wheel area turns to
Blue laser λ0Light path on produce fluorescence λ1, fluorescence λ1By light collecting system 53 and reflection and transmission piece 56
Outgoing afterwards, forms the emergent light of the first sequential；Second sequential, opens secondary light source 51, blue laser λ0Jing
After crossing the first lens group 54 and the second lens group 55, reflector plate 57, outgoing after being reflected by reflection and transmission piece 56,
Form the emergent light of the second sequential.
The light source module that the present embodiment is provided, excitation source, reflection and transmission piece and light collecting system are located at the
The same side of color wheel, such that it is able to reduce the volume of light source module；Also, the present embodiment adopts two
Light source irradiates the different piece of a colour wheel and three primary colours light is obtained, accordingly, with respect to prior art,
Light source volume greatly reduces, and is conducive to the miniaturization of scialyscope；Additionally, the first colour wheel area can reflect glimmering
Light is the first colour wheel area for reflective colour wheel, due to the light extraction efficiency and emitting brightness of reflective colour wheel it is high
In transmission-type colour wheel, light extraction efficiency, emitting brightness and the heat dispersion of light source module is this improves.
Embodiment three
A kind of light source module is present embodiments provided, as shown in figure 4, including the first light source 60, the second light
Source 61, colour wheel 62, light collecting system 63, reflection and transmission piece 64, the first reflector plate 65, three second
Reflector plate 66～68 and the collecting lenses 69 between the second reflector plate 66 and the second reflector plate 67,
Collecting lenses 70 between the second reflector plate 67 and the second reflector plate 68.
In the present embodiment, in the structure and embodiment one of colour wheel 62, the first colour wheel area and the second colour wheel area
Colour wheel 42, the first colour wheel area are identical with the structure in the second colour wheel area difference, will not be described here.
Wherein, reflection and transmission piece 64 is used for the first light of reflection and the second light is blue laser λ0, transmission the first color
The fluorescence λ of wheel area's outgoing1；It is blue sharp that first reflector plate 65 is used for the second light of the outgoing of secondary light source 61
Light λ0Reflex to the second colour wheel area；Three the second reflector plates 66～67 and collecting lenses 69 and 70 are used for
The second light that second colour wheel area is transmitted is blue laser λ0The exiting surface of reflection and transmission piece 64 is reflexed to, with
Reflection and transmission piece 64 is set to reflect the i.e. blue laser λ of the second light0。
During the light source module that the present embodiment is provided works, the first light of the outgoing of the first light source 60 is indigo plant
Laser λ0Can incide on reflection and transmission piece 64, the first light can be blue laser λ by reflection and transmission piece 640Reflection
To in the first colour wheel area of colour wheel 62；Fluorescent material in first colour wheel area is blue laser λ in the first light0Photograph
Penetrate the lower fluorescence λ that can produce respective color1, fluorescence λ1Can be reflected by the first colour wheel area, it is glimmering after reflection
Light λ1Reflection and transmission piece 64 can be collected and be transmitted through by light collecting system 63；
Second light of the outgoing of secondary light source 61 is blue laser λ0The is incided after the first reflector plate 65 reflects
Two colour wheel areas, it is blue laser λ that the second light after scattering is transmitted by the second colour wheel area0Through the second reflector plate 66
Reflection, collecting lenses 69 are incided on the second reflector plate 67 after collecting, reflect through the second reflector plate 67,
Collecting lenses 70 are collected, the second reflector plate 68 is incident to the exiting surface of reflection and transmission piece 64 after reflecting；
Through the i.e. blue laser λ of the second light of the reflection of reflection and transmission piece 640With the fluorescence through reflection and transmission piece 64
λ1Synthesis beam of white light, and it is supplied to follow-up projection arrangement.
Equally, the first light source 60 and secondary light source 61 in the present embodiment is the laser instrument of the blue laser of transmitting,
The fluorescence λ that first colour wheel area produces1For gold-tinted, reflection and transmission piece 64 is the diaphragm that reflection blue light transmits gold-tinted.
Or, the fluorescence λ that the first colour wheel area produces1Can be HONGGUANG and green glow, reflection and transmission piece 64 is blue for reflection
The diaphragm of light transmission HONGGUANG and green glow.
Additionally, the first light source 60 and secondary light source 61 can be different luminescent devices, for example, the first light
Source 60 is the laser instrument of transmitting blue light, and secondary light source 61 is the light emitting diode of transmitting blue light, now, the
Second light of the transmitting of two light source 61 can be directly projected to the without the scattering in the second colour wheel area on colour wheel 62
On two reflector plates 66, or, the second light of the transmitting of secondary light source 61 can be directly incident on reflection and transmission piece
64 exiting surface.
Equally, first light source 60 and second of rotation and control of control colour wheel 62 can be passed through in the present embodiment
The i.e. blue laser λ of the second light switched to be formed with sequential of light source 610With fluorescence λ1, so that the second light is indigo plant
Laser λ0With fluorescence λ1Form the white light of projection.Concrete control process is identical with embodiment one, and here is not
Repeat again.
In the present embodiment, the first colour wheel area may be located at the outside in the second colour wheel area, it is also possible to positioned at second
The inner side in colour wheel area.When the first colour wheel area is located at the inner side in the second colour wheel area, can be to the position of colour wheel 62
It is adjusted, as shown in Figure 5.Light source modular structure in Fig. 5 is different from the light source modular structure in Fig. 4
Part be：The region that the first light is incided in Fig. 4 is the top half of colour wheel 62, what the second light was incided
Region is the latter half of colour wheel 62, and the region that the first light is incided in Fig. 5 is the lower half of colour wheel 62
Point, the region that the second light is incided is the top half of colour wheel 62.
The light source module that the present embodiment is provided, excitation source, reflection and transmission piece and light collecting system are located at the
The same side of color wheel, such that it is able to reduce the volume of light source module；Also, the present embodiment adopts two
Light source irradiates the different piece of a colour wheel and three primary colours light is obtained, accordingly, with respect to prior art,
Light source volume greatly reduces, and is conducive to the miniaturization of scialyscope；Additionally, the first colour wheel area can reflect glimmering
Light is the first colour wheel area for reflective colour wheel, due to the light extraction efficiency and emitting brightness of reflective colour wheel it is high
In transmission-type colour wheel, light extraction efficiency, emitting brightness and the heat dispersion of light source module is this improves.
Example IV
A kind of projector equipment is present embodiments provided, the projector equipment includes as above any embodiment offer
Light source module.
The projector equipment that the present embodiment is provided, excitation source, reflection and transmission piece and light collecting system are located at the
The same side of color wheel, such that it is able to reduce the volume of light source module；Also, the present embodiment adopts two
Light source irradiates the different piece of a colour wheel and three primary colours light is obtained, accordingly, with respect to prior art,
Light source volume greatly reduces, and is conducive to the miniaturization of scialyscope；Additionally, the first colour wheel area can reflect glimmering
Light is the first colour wheel area for reflective colour wheel, due to the light extraction efficiency and emitting brightness of reflective colour wheel it is high
In transmission-type colour wheel, light extraction efficiency, emitting brightness and the heat dispersion of light source module is this improves.
Each embodiment is described by the way of progressive in this specification, and each embodiment is stressed
The difference with other embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using this
It is bright.Various modifications to these embodiments will be apparent for those skilled in the art,
Generic principles defined herein can without departing from the spirit or scope of the present invention, at it
Realize in its embodiment.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and
It is to fit to the most wide scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a kind of light source module, it is characterised in that include：
First light source and secondary light source, first light source is used to launch the first light, and the secondary light source is used
In launching the second light；
Colour wheel, the colour wheel includes the first colour wheel area and the second colour wheel area, the first colour wheel area and second
Colour wheel area is the circular region of no overlap, and the first colour wheel area produces under the irradiation of first light
The fluorescence of at least one color is given birth to and reflects, the second colour wheel area is used to reflecting or transmiting second light
Or under the irradiation of second light a kind of fluorescence of color of outgoing and second light mixed light；
Reflection and transmission piece, be arranged at first light source go out light light path and the first colour wheel area go out light
The infall of light path, for reflecting first light and the second light, transmiting the first colour wheel area outgoing
Fluorescence, the fluorescence for reflecting the second colour wheel area outgoing, so that second light and fluorescence synthesis one
Shu Guang.
2. light source module according to claim 1, it is characterised in that the light source module also includes
Light collecting system, the light collecting system is arranged between the colour wheel and the reflection and transmission piece, is used for
The light of the colour wheel outgoing is collected, and the light is transmitted through into the reflection and transmission piece.
3. light source module according to claim 2, it is characterised in that the light source module also includes
The lens group being arranged between the second colour wheel area and second reflector plate, the lens group is used for meeting
Second light of the poly- second colour wheel area reflection.
4. light source module according to claim 3, it is characterised in that the light source module also includes
First lens group and the second lens group, first lens group is located at the secondary light source and second color
Between wheel area, second lens group is located between the second colour wheel area and the reflector plate.
5. light source module according to claim 1, it is characterised in that the light source module also includes
First reflector plate and the second reflector plate；
First reflector plate goes out in light light path positioned at the secondary light source, for reflecting second light
Second light of source transmitting is to the second colour wheel area；
The second colour wheel area is reflector space, for the second light scattering for reflecting first reflector plate
And reflex to second reflector plate；
Second reflector plate is used to that second light to be reflexed to the exiting surface of the reflection and transmission piece, with
The reflection and transmission piece is set to reflect second light.
6. light source module according to claim 1, it is characterised in that the light source module also includes
Reflector plate, the reflector plate and the secondary light source are respectively positioned at the both sides of the colour wheel, the reflector plate
With the same side that the reflection and transmission piece is located at the colour wheel；
The second colour wheel area is regional transmission, for transmiting the second light of the secondary light source generation to institute
State reflector plate；
The reflector plate is used to for the second light that the second colour wheel area transmits to reflex to the reflection and transmission piece
Exiting surface so that the reflection and transmission piece reflects second light.
7. light source module according to claim 1, it is characterised in that the light source module also includes
First reflector plate and at least three second reflector plates；
First reflector plate is used to for the second light of the secondary light source outgoing to reflex to second colour wheel
Area；
The second colour wheel area is regional transmission, for transmiting the second light of the first reflector plate reflection；
Described at least three second reflector plates are used to for the second light that the second colour wheel area transmits to reflex to institute
The exiting surface of reflection and transmission piece is stated, so that the reflection and transmission piece reflects second light.
8. the light source module according to any one of claim 1～7, it is characterised in that first color
Wheel area is located at the outside in the second colour wheel area；Or, the first colour wheel area is located at second colour wheel
The inner side in area.
9. light source module according to claim 8, it is characterised in that first light and the second light
For blue light, the fluorescence that the first colour wheel area produces is gold-tinted；
Or, first light and second is blue light, the fluorescence that the first colour wheel area produces be HONGGUANG and
Green glow.
10. a kind of projector equipment, it is characterised in that including the light source described in any one of claim 1～9
Module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510746465.6A CN106681090B (en) | 2015-11-05 | 2015-11-05 | Light source module and projection equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510746465.6A CN106681090B (en) | 2015-11-05 | 2015-11-05 | Light source module and projection equipment |
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| CN106681090B CN106681090B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510746465.6A Active CN106681090B (en) | 2015-11-05 | 2015-11-05 | Light source module and projection equipment |
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| CN106681090B (en) | 2023-08-04 |
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Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Applicant after: APPOTRONICS Corp.,Ltd. Address before: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Applicant before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Applicant after: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address before: 518055 Guangdong province Shenzhen Nanshan District Xili town Cha Guang road Shenzhen integrated circuit design application Industrial Park 401 Applicant before: APPOTRONICS Corp.,Ltd. |
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