CN205992114U - A kind of light supply apparatuses and projector equipment - Google Patents
A kind of light supply apparatuses and projector equipment Download PDFInfo
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- CN205992114U CN205992114U CN201620845663.8U CN201620845663U CN205992114U CN 205992114 U CN205992114 U CN 205992114U CN 201620845663 U CN201620845663 U CN 201620845663U CN 205992114 U CN205992114 U CN 205992114U
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Abstract
The utility model discloses a kind of light supply apparatuses, including：First light source module, lens group, the first even smooth part, the first Multiplexing apparatus and Wavelength converter；First light source module has the first light beam of first wave length for outgoing；Lens group and described first even smooth part are located on the bang path of described first light beam, lens group is used for entering line convergence to described first light beam, described first even smooth part is used for homogenizing described first light beam, the second light beam being formed after homogenized is incident to described first Multiplexing apparatus, and the first Multiplexing apparatus are located at the focal position of described lens group；Wavelength converter is located on the bang path of the 3rd light beam after described first Multiplexing apparatus outgoing, for being excited to produce the Stimulated Light with second wave length.The application reduces the area in the region needed for the first Multiplexing apparatus propagation light splitting, improves uniformity and the efficiency of system.This utility model additionally provides a kind of projector equipment including above-mentioned light supply apparatuses.
Description
Technical field
This utility model is related to light sources technical field, more particularly to a kind of light supply apparatuses and projector equipment.
Background technology
Laser as a kind of brightness high, monochromaticity is good, good directionality light source, has obtained wide in recent years in projection arrangement
General application.The lighting source of monochromatic high brightness plays an important role to the quality of display image, the performance to projection arrangement
There is great raising, therefore, laser has become as one of principal light source of projection arrangement.But, because the light field of laser is whole
Equally distributed light intensity generally do not had on individual section, the Gauss distribution of such as laser is so that laser light field in illumination region
Skewness.The exigent laser projection device for illumination uniformity, the inhomogeneities of light distribution will directly affect
Performance to system.
At present, existing LASER Light Source is in the form of propagation light splitting.Laser first pass through after the even light of even smooth square rod through
The end face of square rod is imaged onto on fluorescent wheel relay system, and the hot spot therefore inciding fluorescent wheel is more uniform, optical power density
Relatively low.But, when the light splitting diaphragm of region, area is larger.For other light, same or like with lambda1-wavelength
Light loss more, and its angular distribution is uneven, has large effect to the optical uniformity of system.
Therefore, how to lift the efficiency of light source and uniformity further is this area technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of light supply apparatuses and projector equipment it is therefore intended that lifting the efficiency of light source
And uniformity, to improve the quality of display image.
For solving above-mentioned technical problem, this utility model provides a kind of light supply apparatuses, including：
First light source module, lens group, the first even smooth part, the first Multiplexing apparatus and Wavelength converter；
Described first light source module has the first light beam of first wave length for outgoing；
Described lens group and described first even smooth part are located on the bang path of described first light beam, described lens group
For entering line convergence to described first light beam, described first even smooth part is used for homogenizing described first light beam, homogenized rear formation
The second light beam be incident to described first Multiplexing apparatus, described first Multiplexing apparatus be located at described lens group focal position at；
Described Wavelength converter is located on the bang path of the 3rd light beam after described first Multiplexing apparatus outgoing, uses
In being excited to produce the Stimulated Light with second wave length.
Alternatively, described first even smooth part is the microlens array of multiple lens compositions, and described first light beam is by described
The light inlet of microlens array is incident, and light-emitting window outgoing extremely described first Multiplexing apparatus by described microlens array.
Alternatively, described lens group is the first condenser lenss, and described first Multiplexing apparatus are located at Jiao of described first condenser lenss
At point position；
Or the combination that described lens group is multiple lens, described first Multiplexing apparatus are located at and connect most on light beam bang path
At the focal position of lens of closely described first Multiplexing apparatus.
Alternatively, described first light source module is first laser array, the Aspect Ratio of described first laser array with empty
Between photomodulator micro mirror array Aspect Ratio identical.
Alternatively, also include：Compression lens group, before described first even smooth part on light beam bang path, is used for
The hot spot of described first light beam is compressed.
Alternatively, described compression lens group includes compressing one or more of plus lens or compression minus lenses.
Alternatively, also include：
Secondary light source module, has the 4th light beam of the 3rd wavelength for outgoing；
And second Multiplexing apparatus, in the light path of described first light beam and described 4th light beam, for transmission or
Reflect described first light beam and corresponding reflection or the 4th light beam described in transmission.
Alternatively,
Described first light source module is blue laser array, and described secondary light source module is red laser array, described first conjunction
To described first light beam and described 4th light beam, the light beam after the even light of the described first even smooth part carries out closing light to electro-optical device.
Alternatively, described first Multiplexing apparatus are dichroic mirror, for carrying out light splitting, the first light splitting to described second light beam
Transmission or reflection is to described Wavelength converter.
Alternatively, also include：
Scatter plate, corresponding with the first light splitting of described first Multiplexing apparatus, the second dichroic reflection or be transmitted through described dissipate
Penetrate plate.
Alternatively, also include：
3rd light source module, the second even smooth part and the 3rd Multiplexing apparatus；
Described 3rd light source module has the 5th light beam of the 4th wavelength for outgoing；
Described second even smooth part is located on the bang path of described 5th light beam, to homogenize described 5th light beam, will be even
After the 6th light beam being formed after change and described second light beam are incident to described 3rd Multiplexing apparatus in the lump, it is incident to described first conjunction
Electro-optical device.
Alternatively, described first light source module is red laser array, and described 3rd light source module is blue laser array, described
Second even smooth part is even smooth square rod, and the blue light of mid portion is incident on scatter plate described first Multiplexing apparatus, its remaining part
The blue light dividing and HONGGUANG incide described Wavelength converter.
This utility model additionally provides a kind of projector equipment, including any of the above-described kind of light supply apparatuses.
Light supply apparatuses provided by the utility model and the projector equipment with light supply apparatuses, by lens group and
One even smooth part, enters line convergence to the light beam of the first light source module outgoing and homogenizes, homogenized after formation light beam incident
To the first Multiplexing apparatus, the first Multiplexing apparatus are located at the focal position of lens group, and the EDS maps of the first light source module are become
As, on Wavelength converter, reducing the area in the region needed for the first Multiplexing apparatus propagation light splitting, improve system
Uniformity and efficiency.
Brief description
For the technical scheme of clearer explanation this utility model embodiment or prior art, below will to embodiment or
In description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
Some embodiments of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the light supply apparatuses that Fig. 1 is provided by this utility model embodiment one；
The shape of the hot spot on the Wavelength converter of the light supply apparatuses that Fig. 2 is provided by this utility model embodiment one
Schematic diagram；
Fig. 3 is the schematic shapes of hot spot on the first light-dividing device for each laser chip in this utility model；
Fig. 4 is the structural representation of the embodiment two of light supply apparatuses provided by the utility model；
Fig. 5 is the structural representation of the embodiment three of light supply apparatuses provided by the utility model；
Fig. 6 is the structural representation of the example IV of light supply apparatuses provided by the utility model；
Fig. 7 is the structural representation of the embodiment five of light supply apparatuses provided by the utility model；
Fig. 8 is the structural representation of the embodiment six of light supply apparatuses provided by the utility model；
Fig. 9 is the structural representation of the embodiment seven of light supply apparatuses provided by the utility model；
Figure 10 is the structural representation of the embodiment eight of light supply apparatuses provided by the utility model.
Specific embodiment
In order that those skilled in the art more fully understand this utility model scheme, below in conjunction with the accompanying drawings and be embodied as
The utility model is described in further detail for mode.Obviously, described embodiment is only this utility model part
Embodiment, rather than whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not doing
The every other embodiment being obtained under the premise of going out creative work, broadly falls into the scope of this utility model protection.
Shown in reference Fig. 1, the structural representation of the light supply apparatuses being provided by this utility model embodiment one.Referring to Fig. 1
Shown, this utility model light supply apparatuses include：
The even smooth part 3 of first light source module 1, lens group 2, first, the first Multiplexing apparatus 4 and Wavelength converter 5.
Wherein, the first light source module 1 has the first light beam of first wave length for outgoing；
Lens group 2 and the first even smooth part 3 are located on the bang path of the first light beam, and lens group 2 is used for the first light
Restraint into line convergence, the first even smooth part 3 is used for homogenizing the first light beam, homogenized rear the second light beam being formed is incident to the first closing light
Device 4, the first Multiplexing apparatus 4 are located at the focal position of lens group 2；
Wavelength converter 5 is located on the bang path of the 3rd light beam after the first Multiplexing apparatus 4 outgoing, is used for being excited
Produce the Stimulated Light with second wave length.
Light supply apparatuses provided by the utility model, by the even smooth part of lens group and first, to the first light source module
The light beam of outgoing enters line convergence and homogenizes, homogenized after the light beam of formation be incident on the first Multiplexing apparatus, the first closing light
Device is located at the focal position of lens group, the EDS maps of the first light source module is imaged onto on Wavelength converter, reduces
The area in the region needed for the first Multiplexing apparatus propagation light splitting, improves uniformity and the efficiency of system.
First light source module 1 can be solid state light emitter LED or laser.In the present embodiment, can specifically adopt first laser
Array, the Aspect Ratio of first laser array is identical with the Aspect Ratio of the micro mirror array of spatial light modulator.By such
Setting, it is possible to increase efficiency, so that etendue is flux matched, facilitates even light, light shaping of subsequent optical path etc. to process.
Lens group 2 can be the first condenser lenss.When lens group is for single lens, as shown in figure 1, the first Multiplexing apparatus 4
At the focal position of this condenser lens.Additionally, when the combination that lens group 2 is multiple lens, the first Multiplexing apparatus 4 are located at light
On bundle bang path closest at the focal position of the lens of the first Multiplexing apparatus.
First even smooth part 3 is used for homogenizing the first light beam so that the intense part of the first light beam is uniform, thus improving display
The quality of image, and then change the performance of projection arrangement.First even smooth part 3 can be specially the lenticule of multiple lens compositions
Array, the first light beam is incident by the light inlet of described microlens array, and by described microlens array light-emitting window outgoing to institute
State the first Multiplexing apparatus.Additionally, the first even smooth part can also be fly's-eye lens pair.The element that other are capable of even light is equal
Can be however it is not limited to both.
In the present embodiment, microlens array can be the array of multiple identical lens compositions or multiple difference
Lens composition array.The array of multiple lens can adopt the side of rectangular arranged, hexagonal array or rounded projections arranged
Method, this does not all affect realization of the present utility model.
When the first light beam is incident to multiple lens of microlens array, the first light beam is divided into size phase by each lens
Same beamlet, multiple beamlets act on through the optically focused of the first Multiplexing apparatus again, are superimposed on the focal plane of the first Multiplexing apparatus
Form uniform light field, thus realizing the even light to the first light beam, that is, the even smooth principle of the array of multiple lens is by the first light beam
It is divided into the beamlet that several are equivalently-sized, then so that beamlet is mutually added up and realize even light, therefore, the uniform journey of optical field distribution
Degree is depending on the number of the number of beamlet being divided into or lens, and the number of beamlet depends on the number of lens.
For example, when the first even smooth part comprises 3 lens, the first light beam is divided into 3 beamlets, and therefore, lens number is more,
The beamlet that first light beam is divided into is also more, and the light path distribution of the light beam obtaining is more uniform.Certain first even smooth part bag
The lens number containing have by designer according to practical situation depending on, not The more the better.And, because the first light beam passes through
During the array of multiple lens, need not move through multiple reflections, therefore can obtain higher capacity usage ratio.Preferably, multiple lens
Can be made in the less material of operation wavelength (by first wave length in the present embodiment) absorptance by plating anti-reflection film selection,
To improve capacity usage ratio further, but it is not limited.Additionally, the thickness of multiple lens arras is less than the length of integrating rod,
Be conducive to reducing the axial dimension of device.
First Multiplexing apparatus 4 can be specially dichroic mirror.In the case that the first light source module 1 is blue laser array,
The plated film form of this dichroic mirror is zone line transmitting blue light beam, reflection other color of light in addition to blue light, for example,
It is specifically as follows reflection yellow light beam, this yellow light beam and unexcited blue laser are combined into white light, and remaining region is to incident illumination
Bundle all reflects.
Wavelength converter 5 can specifically include：Phosphor collection lens and fluorescent wheel.Wherein, fluorescent wheel can be divided into
Transmission region and transition region；Because the rotation of Wavelength converter is so that when incident beam incides transmission region, penetrate
Light region is so that when incident beam incides the first transition region, the first transition region launches the outgoing with second wave length
Light beam.Preferably, the first transition region is coated with fluorescent material, because incident beam incides on fluorescent material, the first transition region produces
The outgoing beam of raw second wave length.And the difference of the fluorescent material because of coating, the wavelength of the light beam that the first transition region sends is not yet
With.For example, if the first transition region is coated with red light fluorescent powder, because the frequency of blue light is high compared with HONGGUANG, thus when the first light source die
When the blue light beam that block 1 sends is incident to the first transition region, red light fluorescent powder is excited to produce HONGGUANG, the wavelength of HONGGUANG is more than
The wavelength of blue light.If the first transition region is coated with yellow fluorescent powder, when the blue light beam that the first light source module l sends is incident
During to the first transition region, yellow fluorescent powder is excited to produce gold-tinted.In practical application, Wavelength converter is rotatable
Fluorescent wheel.Furthermore, it is necessary to explanation, in order to reduce light loss, above-mentioned Wavelength converter 5 can also be designed to fully-reflected type,
It is incident to the fluorescent material that the light beam of Wavelength converter 5 is completely used on excitation wavelength conversion equipment 5 to produce new light beam,
Without penetrating Wavelength converter 5, specifically by designer according to practical situation depending on.
The ratio of the Aspect Ratio of laser array and the micro mirror array of spatial light modulator is set to unanimously by the present embodiment, so
After be directly over lens group and be focused, the first Multiplexing apparatus are placed in the focal point of condenser lenss, the laser after focusing passes through again
Equally distributed hot spot can be formed on fluorescent wheel after fluorescence gathering system, this hot spot be shaped as rectangle, its Aspect Ratio with
The Aspect Ratio of SLM is consistent.
Fig. 2 is using the light spot shape schematic diagram generating on fluorescent wheel after microlens array；Fig. 3 is in this utility model
The schematic shapes of the hot spot that each laser chip generates on the first light-dividing device.The of any embodiment in embodiment two to seven
The one light source module and/or secondary light source module hot spot on the first Multiplexing apparatus or the 3rd Multiplexing apparatus has similar to Fig. 3
Shown shape.
By Fig. 3 it is found that the application enables to light spot shape on dichroic mirror for each laser chip reduces.This
Sample, reflects Stimulated Light (such as Huang corresponding to the set transmission exciting light (such as blue light or/and HONGGUANG) that has on dichroic mirror
Light) the plated film shape of function also accordingly reduces, thus can reduce unexcited exciting light through fluorescent wheel reflect and through should
Loss caused by plated film.
Hot spot concrete shape can be according to the shape of lasing fluorescence source chip on the first Multiplexing apparatus for first light source module
Fixed.As when luminous source is for laser array, it is reduced into by rectangle that approximate one linear so that whole device decreases does not swash
Send out the loss of exciting light and/or the light same or like with excitation wavelength, improve the uniformity of system.Specifically, light
Imaged shape on dichroic mirror for the source meets following formula：F1 × s1=f2 × s2, wherein, f1 collimating lens focal length, s1 is to excite
No matter single optical chip (each in or array), area f2 is the focal length of the collecting lenses closest to dichroic mirror, and s2 is
Facula area on dichroic mirror.
Additionally, the present embodiment adds the first even smooth part between lens group and the first dodging device, hot spot is carried out
Segmentation, so as to the hot spot on fluorescent wheel obtains homogenization, improves the launching efficiency of fluorescent wheel.
On the basis of above-described embodiment, light source module provided by the utility model can further include：
Compression lens group 6, before the first even smooth part 3 on light beam bang path, for the hot spot to the first light beam
It is compressed.
Specifically, compression lens group includes compressing one or more of plus lens or compression minus lenses.
The structural representation of embodiment two of light supply apparatuses as provided by the utility model in Fig. 4 and this practicality of Fig. 5 are new
Shown in the structural representation of embodiment three of the light supply apparatuses that type is provided.Compared with above-described embodiment, increase in the present embodiment
Compression lens group 6, can be applicable in wide-aperture laser array.Because the bore of first collector lens is larger, therefore focal length
Can be elongated, lead to the area in region also can become big.So needing to be compressed the hot spot of laser using compression lens group 6, from
And reduce the size in region.Compression lens group in embodiment two is compression plus lens 61, and the compression lens in embodiment three
Group, using compression minus lenses 62, can reduce the volume of system.Second can also be included in embodiment two and embodiment three gather
Light microscopic 63, collectively forms compression lens group with compression plus lens 61 or compression minus lenses 62.
On the basis of any of the above-described embodiment, light supply apparatuses provided by the utility model can further include
Two light source modules 7 and the second Multiplexing apparatus 8.
Wherein, secondary light source module 7 has the 4th light beam of the 3rd wavelength for outgoing；
Second Multiplexing apparatus 8 are located in the first light beam and the light path of the 4th light beam, for transmission or reflection first light beam
And corresponding reflection or transmission the 4th light beam.
In the present embodiment, the first light source module 1 can be blue laser array, and secondary light source module 6 can be red laser battle array
Row, to the first light beam and the 4th light beam, the light beam after the even light of the first even smooth part 3 carries out closing light to the first Multiplexing apparatus 4.
First Multiplexing apparatus are dichroic mirror, for carrying out light splitting, the first spectral transmission or reflection to described second light beam
To described Wavelength converter.
Refer to the example IV of Fig. 6 light supply apparatuses provided by the utility model and Fig. 7 this utility model is provided
The embodiment five of light supply apparatuses shown in.As shown in fig. 6, the light beam of the first light source module 1 outgoing and secondary light source module 7 outgoing
Light beam, after the second Multiplexing apparatus 8 closing light, carry out even light through the first even smooth part 3, the light beam being formed after homogenizing is incident to the
One Multiplexing apparatus 4, after the first Multiplexing apparatus 4 closing light, transmitted light beam enters to fluorescent wheel.In the present embodiment, the first closing light dress
Put specially region diaphragm, its plated film form is the light beam of zone line transmission HONGGUANG and blue light, the light beam of reflection green glow, its
Remaining part is divided into irradiating light beam and then all reflects.
And the spectroscopic behaviour of the region diaphragm in Fig. 7 then is changed to reflect by the transmission of incident illumination, that is, zone line reflection is red
Light, the light beam of blue light, the light beam of transmission green glow, the then all transmissions of remainder incident beam.Compared with example IV, this enforcement
Example can the efficiency of lift system and reliability further.
In the present embodiment, at least one of the first light source module 1 or/and secondary light source module 7 luminous component is first
The shape of hot spot being formed on Multiplexing apparatus 4 is adapted with the shape of luminous component.
It is pointed out that it is preferred that only exciting red fluorescence in blue light in the embodiment of the red laser array of each inclusion
Qu Shi, blue, red laser is only and is incident to Wavelength converter through the first even smooth part (closing light) simultaneously, in the case of other, blue
Light is all individually to be incident to Wavelength converter (namely now there is not closing light).
The embodiment six of light supply apparatuses provided by the utility model as shown in figure 8, compared with a upper embodiment, this enforcement
Scatter plate 9 is increased, the first light splitting of the first Multiplexing apparatus 4 is incident to follow-up Wavelength converter 5 in example, and the second light splitting
By reflecting or being transmitted through this scatter plate 9.In the present embodiment, the first light source module 1 is blue laser array, secondary light source module 7
For red laser array, incident blue light components are divided into two parts by the first Multiplexing apparatus 4, and major part reflexes to fluorescent wheel, with
Excitated fluorescent powder, fraction light transmission is to scatter plate 9.The present embodiment can reduce the heat producing on fluorescent wheel, lifts fluorescent wheel
Efficiency.
Additionally, the embodiment seven of light supply apparatuses provided by the utility model is as shown in Figure 9.This device can also be further
Including：
3rd light source module 10, the second even smooth part 11 and the 3rd Multiplexing apparatus 12.
3rd light source module 10 has the 5th light beam of the 4th wavelength for outgoing；
Second even smooth part 11 is located on the bang path of the 5th light beam, to homogenize the 5th light beam, is formed after homogenizing
After 6th light beam and the second light beam are incident to described 3rd Multiplexing apparatus 12 in the lump, it is incident to the first Multiplexing apparatus 4.
Wherein, the first light source module 1 can be specially red laser array, and the 3rd light source module 10 can be specially blue laser
Array, the second even smooth part 11 is even smooth square rod, and the blue light of mid portion is incident on scatter plate the first Multiplexing apparatus 4, its
The blue light that remaining part is divided and HONGGUANG incide Wavelength converter 5.
Blue laser part adopts the even light of square rod, and the light after homogenizing is imaged onto on fluorescent wheel through relay system, red light portion
Through lens group, the even light of the first even smooth part.Hot spot after relay system for the blue laser is heavy caliber hot spot, wherein mid portion
Blue light incide on scatter plate 9, the blue light of remainder and HONGGUANG incide on fluorescent wheel.The big I of central area is by red
Determining, principle is so that the efficiency of HONGGUANG maximizes to the ratio of light part and the blue light that need to distribute.In addition, the program solves
Incide the too high problem of region diaphragm blueing optical power density, prevent region diaphragm from burning so that the reliability of system obtains
To guarantee.
First light source module 1 and/or the 3rd light source module can be used cooperatively with reflecting element, so that the first light source module
The optical axis of the light beam of 1 transmitting changes, thus beneficial to the integrally-built arrangement of light supply apparatuses, so that it is compacter.As
Shown in Fig. 9, red laser array launches the first light beam, after lens group, is incident to reflecting element, its optical axis enters after being rotated by 90 degrees
It is incident upon the first even smooth part 3.It should be noted that the effect of reflecting element is to change the direction of light path, make compact conformation, but
It is not necessary use.In practice, designer also according to the layout of actual light source device and special case, decision can be
No need use.
In addition, the embodiment eight of light supply apparatuses provided by the utility model is as shown in Figure 10.With Wavelength converter it is
For as a example phosphor collection lens and fluorescent wheel, the fluorescent wheel of the Wavelength converter in the various embodiments described above is using reflection
Formula fluorescent wheel, and the light supply apparatuses of the present embodiment are fluorescent wheel with the main difference of the light supply apparatuses of various embodiments above
Using transmission-type fluorescent wheel, specifically, can refer to Fig. 2 and the associated description of above-described embodiment one, the first light source module 1 ' is sent out
First light beam with first wave length going out is incident to ripple through lens group 2 ', the first even smooth part 3 ', the first Multiplexing apparatus 4 '
Long conversion equipment 5 ' it is known that, the first even smooth part 3 ' is provided with plated film corresponding to the first beam feeding sputtering area, with regard to this plating
Film, has a detailed description above, will not be described here, and therefore, the first light beam excites to the fluorescence on transmission-type fluorescent wheel
When, most Stimulated Light (as in Figure 10, L2 illustrates) transmits transmission-type fluorescent wheel and outgoing, because Stimulated Light is lambert
Distribution, accordingly, it is difficult to avoid, the Stimulated Light (as in Figure 10, L1 illustrates) of fraction will directive first Multiplexing apparatus 4 ',
And least a portion of unexcited exciting light (as in Figure 10, L1 illustrates) is likely to be scattered, reflect or other modes glimmering
Halo effect also directive first Multiplexing apparatus 4 ', therefore, because in the present embodiment, needed for the first Multiplexing apparatus 4 ' propagation light splitting
The area in region farthest reduced, thus, when the Stimulated Light of the fraction of above-mentioned directive first Multiplexing apparatus 4 '
When wavelength and first wave length are same or like, the Stimulated Light of the above-mentioned exciting light being acted on by fluorescent wheel and/or fraction is through first
The plated film of Multiplexing apparatus 4 ' and the loss caused by transmission is greatly reduced, in addition, first Multiplexing apparatus 4 ' of the present embodiment
The region in addition to plated film unexcited exciting light can also be further directed to above-mentioned transmission-type fluorescent wheel with further
Excite the fluorescent material as material for transformation of wave length, therefore, also improve the launching efficiency of exciting light.
Additionally, this utility model additionally provides a kind of projector equipment, including any of the above-described kind of light supply apparatuses.This light supply apparatus
Can have the structure in the various embodiments described above and function.This optical projection system can adopt various shadow casting techniques, such as liquid crystal
Show device (LCD, Liquid Crystal Display) shadow casting technique, digital light processor (DLP, Digital Light
Processor) shadow casting technique.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment same or similar partly mutually referring to.Fill for disclosed in embodiment
For putting, because it corresponds to the method disclosed in Example, so description is fairly simple, referring to method part in place of correlation
Illustrate.
Above light supply apparatuses provided by the utility model and projector equipment are described in detail.Used herein
Specific case is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help
Understand method of the present utility model and its core concept.It should be pointed out that for those skilled in the art,
On the premise of this utility model principle, this utility model can also be carried out some improve and modify, these improve and
Modification also falls in this utility model scope of the claims.
Claims (13)
1. a kind of light supply apparatuses are it is characterised in that include：
First light source module, lens group, the first even smooth part, the first Multiplexing apparatus and Wavelength converter；
Described first light source module has the first light beam of first wave length for outgoing；
Described lens group and described first even smooth part are located on the bang path of described first light beam, and described lens group is used for
Line convergence is entered to described first light beam, described first even smooth part is used for homogenizing described first light beam, homogenized after formed the
Two light beams are incident to described first Multiplexing apparatus, and described first Multiplexing apparatus are located at the focal position of described lens group；
Described Wavelength converter is located on the bang path of the 3rd light beam after described first Multiplexing apparatus outgoing, for being subject to
Sharp generation has the Stimulated Light of second wave length.
2. light supply apparatuses as claimed in claim 1 are it is characterised in that described first even smooth part is the micro- of multiple lens compositions
Lens arra, described first light beam is incident by the light inlet of described microlens array, and the light-emitting window by described microlens array
Outgoing is to described first Multiplexing apparatus.
3. it is characterised in that described lens group is the first condenser lenss, described first closes light supply apparatuses as claimed in claim 2
Electro-optical device is located at the focal position of described first condenser lenss；
Or the combination that described lens group is multiple lens, described first Multiplexing apparatus are located on light beam bang path closest to institute
At the focal position of the lens stating the first Multiplexing apparatus.
4. light supply apparatuses as claimed in claim 3 it is characterised in that described first light source module be first laser array, institute
State the Aspect Ratio of first laser array identical with the Aspect Ratio of the micro mirror array of spatial light modulator.
5. light supply apparatuses as claimed in claim 3 are it is characterised in that also include：Compression lens group, positioned at light beam bang path
Before upper described first even smooth part, for being compressed to the hot spot of described first light beam.
6. light supply apparatuses as claimed in claim 5 are it is characterised in that described compression lens group includes compressing plus lens or compression
One or more of minus lenses.
7. the light supply apparatuses as described in any one of claim 1 to 6 are it is characterised in that also include：
Secondary light source module, has the 4th light beam of the 3rd wavelength for outgoing；
And second Multiplexing apparatus, in the light path of described first light beam and described 4th light beam, for transmission or reflection
Described first light beam and corresponding reflection or the 4th light beam described in transmission.
8. light supply apparatuses as claimed in claim 7 it is characterised in that
Described first light source module is blue laser array, and described secondary light source module is red laser array, described first closing light dress
Put the light beam after the even light of the described first even smooth part to described first light beam and described 4th light beam and carry out closing light.
9. light supply apparatuses as claimed in claim 8 are it is characterised in that described first Multiplexing apparatus are dichroic mirror, for right
Described second light beam carries out light splitting, the first spectral transmission or reflex to described Wavelength converter.
10. light supply apparatuses as claimed in claim 9 are it is characterised in that also include：
Scatter plate, second dichroic reflection or be transmitted through described scatter plate corresponding with the first light splitting of described first Multiplexing apparatus.
11. light supply apparatuses as described in any one of claims 1 to 3 are it is characterised in that also include：
3rd light source module, the second even smooth part and the 3rd Multiplexing apparatus；
Described 3rd light source module has the 5th light beam of the 4th wavelength for outgoing；
Described second even smooth part is located on the bang path of described 5th light beam, to homogenize described 5th light beam, after homogenizing
After the 6th light beam being formed and described second light beam are incident to described 3rd Multiplexing apparatus in the lump, it is incident to described first closing light dress
Put.
12. light supply apparatuses as claimed in claim 11 it is characterised in that described first light source module be red laser array, institute
Stating the 3rd light source module is blue laser array, and described second even smooth part is even smooth square rod, and described first Multiplexing apparatus are by centre
Partial blue light is incident on scatter plate, and the blue light of remainder and HONGGUANG incide described Wavelength converter.
A kind of 13. projector equipments are it is characterised in that include the light supply apparatuses as described in any one of claim 1 to 12.
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| CN110007550A (en) * | 2018-01-04 | 2019-07-12 | 深圳光峰科技股份有限公司 | Light-source system and projection device |
| CN110476010A (en) * | 2017-04-05 | 2019-11-19 | 精工爱普生株式会社 | Lighting device and projector |
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Effective date of registration: 20171204 Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xi Li Light Road No. 1089 Shenzhen integrated circuit design and application of Industrial Park Building 4 Patentee after: APPOTRONICS Corp.,Ltd. Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xi Li Light Road No. 1089 Shenzhen integrated circuit design and application of Industrial Park Building 4 Patentee before: YLX Inc. |
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Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Patentee after: APPOTRONICS Corp.,Ltd. Address before: 518000 Nanshan District, Shenzhen, Guangdong, Guangdong Province, Guangdong Road, 63 Xuefu Road, high-tech zone, 21 headquarters building, 22 floor. Patentee before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address after: 518000 Nanshan District, Shenzhen, Guangdong, Guangdong Province, Guangdong Road, 63 Xuefu Road, high-tech zone, 21 headquarters building, 22 floor. Patentee after: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address before: 518055 Shenzhen, Shenzhen, Guangdong 1089 Nanshan District road 1089, Shenzhen integrated circuit design application Industrial Park, 4 floor. Patentee before: APPOTRONICS Corp.,Ltd. |