CN109085733A - Multiple groups laser light-source device - Google Patents
Multiple groups laser light-source device Download PDFInfo
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- CN109085733A CN109085733A CN201710443293.4A CN201710443293A CN109085733A CN 109085733 A CN109085733 A CN 109085733A CN 201710443293 A CN201710443293 A CN 201710443293A CN 109085733 A CN109085733 A CN 109085733A
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- 238000003491 array Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
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- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 2
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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
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
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Abstract
The present invention relates to a kind of multiple groups laser light-source devices, it applies in projection device as light source, described device includes: first laser light source, for issuing first laser light beam, and the first laser light beam is directly incident on the first plus lens group, wherein first laser light beam is gathered on wavelength converting device by the first plus lens group；Second laser light source, for issuing the second laser light beam different from the first laser light beam wavelength, and the second laser light beam is directly incident on the first plus lens group, wherein second laser light beam is gathered on wavelength converting device by the first plus lens group, and the first laser light source is set side by side with second laser light source.It avoids and uses filtering assembly by first laser light beam and second laser light beam light combination bring light efficiency losses.Two wavelength laser sources do not pass through filtering assembly, it is also possible that display picture color saturation boost, the small volume of ray machine are more compact.
Description
Technical field
The present invention relates to laser projection fields, more particularly to a kind of multiple groups laser light-source device.
Background technique
Laser light source has the characteristics that high directivity, brightness is high, coherence is good, in recent years gradually as high-brightness projection
Principal light source, and it is widely used in large-size screen monitors display field.
Monochromatic laser light source is generallyd use at present to convert polychrome wave band or the reflective mode of multichannel and convert.One-wavelength laser
Light source converts polychrome wavelength, due to inspiring different wave length using fluorescence, usually performs poor in terms of showing color.To solve
This problem makes up single wavelength excitation multi-wavelength picture using dual-wavelength laser light source and shows the relatively low problem of color saturation,
Wherein it is most using two-way wavelength laser respectively by entering Wavelength converter after filtering assembly light combination, but light efficiency has and declines
Subtract.
Summary of the invention
Based on this, it is necessary to provide a kind of light efficiency decaying smaller multiple groups laser light-source device.
A kind of multiple groups laser light-source device is applied as light source in projection device, and described device includes:
First laser light source is directly incident on first for issuing first laser light beam, and by the first laser light beam
Plus lens group, wherein first laser light beam is gathered on wavelength converting device by the first plus lens group；
Second laser light source, for issuing the second laser light beam different from the first laser light beam wavelength, and by institute
It states second laser light beam and is directly incident on the first plus lens group, wherein second laser light beam is assembled by the first plus lens group
Onto wavelength converting device, the first laser light source is set side by side with second laser light source.
The first laser light source includes multiple first sub-light sources, the second laser light in one of the embodiments,
Source includes multiple second sub-light sources；
The multiple first sub-light source arrayed in columns formation one or more columns per page first laser array of source, the multiple second
Sub-light source arrayed in columns forms one or more columns per page second laser array of source, the first laser array of source and second laser light
The setting of source array parallel.
The first laser array of source and second laser array of source face first converge in one of the embodiments,
Lens group longitudinal arrangement, the first sub-light source and the second sub-light on the first laser array of source and second laser array of source
Source is arranged in a staggered manner.
The first sub-light source of the first laser array of source is arranged in second laser light source in one of the embodiments,
On array on the central axis of two neighboring second sub-light source；
And/or the second sub-light source setting of the second laser array of source is two neighboring on first laser array of source
On the central axis of first sub-light source.
The first laser array of source and second laser array of source face first converge in one of the embodiments,
Lens group is transversely arranged.
The first laser light source includes multiple first sub-light sources, the second laser light in one of the embodiments,
Source includes multiple second sub-light sources；The multiple first sub-light source and multiple second sub-light sources are staggered to form third laser light
Source array.
The multiple first sub-light source and multiple second sub-light sources also are staggered to form one in one of the embodiments,
Column third laser source array；
Or the multiple first sub-light source and multiple second sub-light sources are also staggered to form multiple row third laser light source battle array
Column, the multiple row third laser source array face the first plus lens group longitudinal arrangement, the multiple row third laser light source battle array
The first sub-light source and the second sub-light source of column are arranged in a staggered manner.
The multiple groups laser light-source device in one of the embodiments, further include:
First plus lens group passes through for first laser light beam and second laser light beam and by first laser light beam and
Dual-laser light beam is gathered respectively on wavelength converting device；
Wavelength converting device, including transparent area and wavelength-converting region, the transparent area is for gathering the first plus lens group
First laser light beam after collection is converted to the different third laser beam of wavelength, and the wavelength-converting region is used for the first plus lens
Second laser light beam after group aggregation passes through.
Second laser light beam and/or third laser beam after wavelength converting device in one of the embodiments,
Optical path on set gradually the second plus lens group, dodging device, in continue lens, turn to reflective mirror, prism group, light valve, projection
Lens group.
The multiple groups laser light-source device in one of the embodiments, further include:
Third laser light source, for issuing fourth laser all different from first laser light beam and second laser light beam wavelength
Light beam, the third laser light source are set side by side with first laser light source and second laser light source；
The first plus lens group is also used to gather the 4th laser beam on wavelength converting device；
The 4th laser beam after the wavelength converting device is also used to assemble the first plus lens group is converted to wavelength
The 5th different laser beams allows the 4th laser beam after the aggregation of the first plus lens group to pass through.
In above-mentioned multiple groups laser light-source device, in such a way that first laser light source and second laser light source are arranged side by side, and
And the first laser light beam of the different wave length of sending and second laser light beam are directly incident on the first plus lens group, it avoids
Using filtering assembly by first laser light beam and second laser light beam light combination bring light efficiency losses.Two wavelength laser sources
Not by filtering assembly, it is also possible that display picture color saturation boost, the small volume of ray machine are more compact.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The attached drawing of other embodiments is obtained according to these attached drawings.
Fig. 1 is a kind of schematic diagram of multiple groups laser light-source device in an embodiment；
Fig. 2 is first laser light source and second laser light source arrangement mode schematic diagram in an embodiment；
Fig. 3 is first laser light source and second laser light source arrangement mode schematic diagram in another embodiment；
Fig. 4 is first laser light source and second laser light source arrangement mode schematic diagram in another embodiment；
Fig. 5 is an embodiment medium wavelength conversion equipment transparent area and wavelength-converting region schematic diagram；
Fig. 6 is a kind of schematic diagram of multiple groups laser light-source device in another embodiment.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Fig. 1 is a kind of schematic diagram of multiple groups laser light-source device.The multiple groups laser light-source device is applied in projection device
As light source, including first laser light source 1 and second laser light source 2.
Wherein first laser light source 1 is for issuing first laser light beam, and first laser light beam is directly incident on first
Plus lens group 3, wherein first laser light beam is gathered on wavelength converting device 4 by the first plus lens group 3.Second laser
Second laser light beam is directly incident on by light source 2 for issuing the second laser light beam different from first laser light beam wavelength
First plus lens group 3, wherein second laser light beam is gathered on wavelength converting device 4 by the first plus lens group 3, and first
Laser light source 1 is set side by side with second laser light source 2.
Above-mentioned multiple groups laser light-source device in such a way that first laser light source 1 and second laser light source 2 are arranged side by side, and
The first laser light beam of the different wave length of sending and second laser light beam are directly incident on the first plus lens group 3, avoided
Using filtering assembly by first laser light beam and second laser light beam light combination bring light efficiency losses.Two wavelength laser sources
Not by filtering assembly, it is also possible that display picture color saturation boost, the small volume of ray machine are more compact.
Further, as shown in Fig. 2, first laser light source includes multiple first sub-light sources 131, second laser light source includes
Multiple second sub-light sources 132；One column first laser array of source of multiple first sub-light source, 131 arrayed in columns formation, multiple second
132 arrayed in columns of sub-light source forms a column second laser array of source, first laser array of source and second laser array of source
It is set side by side.
Specifically, 3 longitudinal arrangement of first laser array of source and second laser array of source the first plus lens of face group,
The second sub-light source 132 on the first sub-light source 131 and second laser array of source of first laser array of source is arranged in a staggered manner.
Wherein optionally, phase is arranged on second laser array of source in the first sub-light source 131 of first laser array of source
On the central axis of adjacent two the second sub-light sources 132.
Optionally, the second sub-light source 132 of second laser array of source is arranged adjacent two on first laser array of source
On the central axis of a first sub-light source 131.
Optionally, the first sub-light source 131 of first laser array of source is arranged adjacent two on second laser array of source
On the central axis of a second sub-light source 132, and the second sub-light source 132 of second laser array of source is arranged in first laser light
On the array of source on the central axis of two neighboring first sub-light source 131.
In one embodiment, it is with the main distinction of above-described embodiment, first laser light source includes multiple first sons
Light source, second laser light source include multiple second sub-light sources；Multiple first sub-light source arrayed in columns form multiple row first laser light
Source array, multiple second sub-light source arrayed in columns form multiple row second laser array of source, first laser array of source and second
Laser source array is set side by side.
Specifically, multiple row first laser array of source and multiple row second laser array of source face the first plus lens group are vertical
To arrangement, the second sub-light source on the first sub-light source and second laser array of source of first laser array of source, which will be staggered, to be set
It sets, and the first sub-light source of the first laser array of source of different lines will also be arranged in a staggered manner, likewise, the second of different lines swashs
Second sub-light source of radiant array will also be arranged in a staggered manner.
Further, first laser array of source and second laser array of source can be with a column first laser array of source
One group of laser source array is formed with a column second laser array of source, then multiple groups laser source array face first converges
Microscope group is transversely arranged.It will not mutually be blocked between multiple laser arrays, facilitate arrangement.
In one embodiment, first laser array of source and second laser array of source can be converged with face first
Microscope group is transversely arranged.Then multiple first sub-light sources and multiple second on first laser array of source and second laser array of source
Sub-light source will not complementation block.
In above embodiment, first laser array of source and second laser light source battle array be can be set in different carriers
On, it also can be set on the same carrier.First laser array of source and second laser light source battle array can further be done
At an array component and it is encapsulated in a similar permutation slot.It is good to assemble alignment result.
In one embodiment, as shown in figure 3, first laser light source includes multiple first sub-light sources 131, second laser light
Source includes multiple second sub-light sources 132；Multiple first sub-light sources 131 and multiple second sub-light sources 132 are staggered to form third
Laser source array 13.
Optionally, multiple first sub-light sources 131 and multiple second sub-light sources 132 are also staggered to form a column third laser
Array of source 13.It can staggeredly be set with first sub-light source 131 and second sub-light source 132 on third laser source array 13
It sets.It can also be staggered with first sub-light source and multiple second sub-light sources, it can be with multiple first sub-light sources and one
Two sub-light sources are staggered, and can be staggered with multiple first sub-light sources and multiple second sub-light sources, wherein the first sub-light source
Number can be equal to the second sub-light source number and also be not equal to the second sub-light source number.
Optionally, as shown in figure 4, multiple first sub-light sources 131 and multiple second sub-light sources 132 be also staggered to be formed it is more
Column third laser source array, multiple row third laser source array face the first plus lens group longitudinal arrangement, multiple row third swash
The first sub-light source and the second sub-light source of radiant array are arranged in a staggered manner.It wherein, can be with one on third laser source array
One sub-light source 131 and second sub-light source 132 are staggered, and can also be handed over first sub-light source and multiple second sub-light sources
Mistake setting, can be staggered with multiple first sub-light sources and second sub-light source, can be with multiple first sub-light sources and more
A second sub-light source is staggered, wherein the number of the first sub-light source can be equal to the number of the second sub-light source or differ
In.
Further, multiple row third laser source array can form one group of laser light with two column third laser source arrays
Source array, then the first plus lens of multiple groups laser source array face group is transversely arranged, wherein can have multiple groups laser light source
Array can also only have one group of laser source array.It will not mutually be blocked between multiple laser arrays, facilitate arrangement.
Further, wherein the sub-light source on a column third laser source array is arranged in adjacent third laser source array
On the central axes of upper two sub-light sources of correspondence.
In above embodiment, third laser source array is made into an array component and is encapsulated in a similar permutation slot
It is interior.
In one embodiment, multiple first sub-light sources and multiple second sub-light sources be also staggered to be formed multiple row third swash
Radiant array, multiple row third laser source array face the first plus lens group is transversely arranged, multiple row third laser light source battle array
It is not blocked mutually between column.
In one embodiment, multiple groups laser light-source device further include: the first plus lens group, wavelength converting device,
In the first plus lens group pass through for first laser light beam and second laser light beam and by first laser light beam and second laser
Light beam is gathered respectively on wavelength converting device.As shown in figure 5, wavelength converting device 4 includes transparent area 41 and wavelength-converting region
42, wherein wavelength-converting region 42 is used to the first laser light beam after the aggregation of the first plus lens group being converted to different the of wavelength
Three laser beams, second laser light beam of the transparent area 41 for after the aggregation of the first plus lens group pass through.
Further, as shown in fig. 6, multiple groups laser light-source device can also include: after wavelength converting device 4
Set gradually in the optical path of dual-laser light beam and/or third laser beam the second plus lens group 5, dodging device 6, in continue lens
7, reflective mirror 8, prism group 9, light valve 10, projection lens group 11 are turned to.Wherein, prism group 9 can be internal reflection prism group, be used for
Incidence and the light progress for being emitted to 10 device of light valve is effectively separated.Light valve 10 is a display chip, can be DMD and shows
Chip, silicon base liquid crystal display chip (LCOS Liquid Crystal on Silicon) etc., such as DMD display chip can lead to
Control light switch is crossed to generate the grayscale of display picture.In addition the switch of laser is carried out by the driving of control laser.
In above embodiment, first laser light source is blue laser source, and second laser light source is red laser source, blue
The blue laser beams that laser source issues become green laser beam by the wavelength-converting region of wavelength converting device, then pass through pair
Blue laser beams, green laser beam and red laser light beam carry out colour mixture and obtain desired various colors.Blue laser light
Beam can also convert out the laser beam and blue laser beams of other colors, green laser beam and red laser light beam carry out
Colour mixture, such as yellow laser light beam.Yellow light can also can be converted by Wavelength converter with blue laser beams, yellow light can lead to
It crosses and adds filtering apparatus and filter out green light and feux rouges, then carry out colour mixture and obtain desired various colors.Wavelength converting device is circle
The different zones of wavelength converting device are arranged in plate-like, transparent area and wavelength-converting region, can be turned by wavelength converting device
The dynamic switching for carrying out transparent area and wavelength-converting region.
In above embodiment, first laser light beam is parallel with second laser light beam.
In one embodiment, the main distinction of the present embodiment and above-described embodiment is, multiple groups laser light-source device is also
Including third laser light source.Third laser light source is all different from first laser light beam and second laser light beam wavelength for issuing
4th laser beam, third laser light source are set side by side with first laser light source and second laser light source.First plus lens group
It is also used to gather the 4th laser beam on wavelength converting device.Wavelength converting device is also used to gather the first plus lens group
The 4th laser beam after collection be converted to the 5th different laser beam of wavelength or allow the first plus lens group assemble after the 4th
Laser beam passes through.Third laser light source includes multiple third sub-light sources, multiple third sub-light sources and multiple first sub-light sources and
Multiple second sub-light sources are staggered to form third laser source array.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of multiple groups laser light-source device, apply in projection device as light source, which is characterized in that described device includes:
First laser light source is directly incident on the first convergence for issuing first laser light beam, and by the first laser light beam
Lens group, wherein first laser light beam is gathered on wavelength converting device by the first plus lens group；
Second laser light source, for issuing the second laser light beam different from the first laser light beam wavelength, and by described
Dual-laser light beam is directly incident on the first plus lens group, and wherein second laser light beam gathers wave by the first plus lens group
On long reforming unit, the first laser light source is set side by side with second laser light source.
2. multiple groups laser light-source device according to claim 1, which is characterized in that the first laser light source includes multiple
First sub-light source, the second laser light source include multiple second sub-light sources；
The multiple first sub-light source arrayed in columns forms one or more columns per page first laser array of source, the multiple second sub-light
Source arrayed in columns forms one or more columns per page second laser array of source, the first laser array of source and second laser light source battle array
Column are set side by side.
3. multiple groups laser light-source device according to claim 2, which is characterized in that the first laser array of source and
Dual-laser array of source face the first plus lens group longitudinal arrangement, the first laser array of source and second laser light source battle array
The first sub-light source and the second sub-light source on column are arranged in a staggered manner.
4. multiple groups laser light-source device according to claim 3, which is characterized in that the of the first laser array of source
One sub-light source is arranged on second laser array of source on the central axis of two neighboring second sub-light source；
And/or the second sub-light source of the second laser array of source is arranged two neighboring first on first laser array of source
On the central axis of sub-light source.
5. multiple groups laser light-source device according to claim 2, which is characterized in that the first laser array of source and
Dual-laser array of source face the first plus lens group is transversely arranged.
6. multiple groups laser light-source device according to claim 1, which is characterized in that the first laser light source includes multiple
First sub-light source, the second laser light source include multiple second sub-light sources；The multiple first sub-light source and multiple second sons
Light source is staggered to form third laser source array.
7. multiple groups laser light-source device according to claim 6, which is characterized in that
The multiple first sub-light source and multiple second sub-light sources are also staggered to form a column third laser source array；
Or the multiple first sub-light source and multiple second sub-light sources are also staggered to form multiple row third laser source array, institute
State multiple row third laser source array face the first plus lens group longitudinal arrangement, the of the multiple row third laser source array
One sub-light source and the second sub-light source are arranged in a staggered manner.
8. -7 any multiple groups laser light-source device according to claim 1, which is characterized in that the multiple groups laser light source dress
It sets further include:
First plus lens group passes through for first laser light beam and second laser light beam and swashs first laser light beam and second
Light light beam is gathered respectively on wavelength converting device；
Wavelength converting device, including transparent area and wavelength-converting region, the transparent area is used for will be after the aggregation of the first plus lens group
First laser light beam be converted to the different third laser beam of wavelength, the wavelength-converting region is poly- for the first plus lens group
Second laser light beam after collection passes through.
9. multiple groups laser light-source device according to claim 8, which is characterized in that second after wavelength converting device
Set gradually in the optical path of laser beam and/or third laser beam the second plus lens group, dodging device, in continue lens, turn
To reflective mirror, prism group, light valve, projection lens group.
10. multiple groups laser light-source device according to claim 1, which is characterized in that the multiple groups laser light-source device is also
Include:
Third laser light source, for issuing fourth laser light all different from first laser light beam and second laser light beam wavelength
Beam, the third laser light source are set side by side with first laser light source and second laser light source；
The first plus lens group is also used to gather the 4th laser beam on wavelength converting device；
The 4th laser beam after the wavelength-converting region of the wavelength converting device is also used to assemble the first plus lens group turns
Be changed to the 5th different laser beam of wavelength or the wavelength converting device transparent area allow the first plus lens group to assemble after
4th laser beam passes through.
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| CN104111532A (en) * | 2013-04-20 | 2014-10-22 | 深圳市绎立锐光科技开发有限公司 | Light-emitting device and related light source system |
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