CN110133953A - A kind of laser is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type - Google Patents
A kind of laser is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type Download PDFInfo
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- CN110133953A CN110133953A CN201910517335.3A CN201910517335A CN110133953A CN 110133953 A CN110133953 A CN 110133953A CN 201910517335 A CN201910517335 A CN 201910517335A CN 110133953 A CN110133953 A CN 110133953A
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- 238000007493 shaping process Methods 0.000 claims description 84
- 239000004065 semiconductor Substances 0.000 claims description 15
- 238000009738 saturating Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
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
- G03B21/2013—Plural light sources
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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
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Abstract
The present invention relates to the projection laser beam merging apparatus that a kind of laser is applied to wide wavestrip ray machine type, belong to technical field of laser display.The technical issues of that present invention aim to address luminous masses existing for existing laser projection device is poor, cost is big and can not eliminate speckle.The technical solution adopted by the present invention is that: a kind of laser is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, it is characterized in that, including mode of laser group, lens group, wide wavestrip incoherent light source mould group, plus lens and even light pipe, the lens group is located at the front of the mode of laser group emergent light, the width wavestrip incoherent light source mould group is located at the front of lens group, the plus lens is located at the front of wide wavestrip incoherent light source mould group, and the even light pipe is located at the front of the plus lens.
Description
Technical field
The present invention relates to the projection laser beam merging apparatus that a kind of laser is applied to wide wavestrip ray machine type, belong to laser display skill
Art field.
Background technique
Laser projection is passed through as a kind of novel shadow casting technique using wide wavestrip incoherent light source or laser as light source
Three kinds of combiners of red blue green at white light, are transmitted on projection screen after the integration of even light pipe, complete entire laser by beam merging apparatus
Projector shows process.The principal element for influencing shadow casting technique's development is the price, luminous mass and light source luminescent power of light source.
Simple wide wavestrip incoherent light source device or laser array, the beam quality of output light source is poor, no
The cheap and excellent feature of luminous mass can be met simultaneously.
Color Laser Projection Technology as a kind of Novel projection technology, have many characteristics, such as wide colour gamut, high brightness, but due to laser
With high coherence, the image of laser projection can have speckle, i.e., be dispersed with the interference item of light and shade on projection images
Line and spot, so that spectators generate strong sense of discomfort, and its cost is larger, and sexual valence is poor.
Summary of the invention
That present invention aim to address luminous masses existing for existing laser projection device is poor, cost is big and can not eliminate scattered
The technical issues of spot, provides the laser that one kind can combine wide wavestrip incoherent light with laser coupled and is applied to wide wavestrip light
The projection laser beam merging apparatus of type.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that:
A kind of laser is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type comprising mode of laser group, lens group, width
Wavestrip incoherent light source mould group, plus lens and even light pipe, the lens group are located at the front of the mode of laser group emergent light, institute
The front that wide wavestrip incoherent light source mould group is located at lens group is stated, the plus lens is located at wide wavestrip incoherent light source mould group
Front, the even light pipe are located at the front of the plus lens.
Further, the wide wavestrip incoherent light source mould group includes that green light shaping lens, feux rouges shaping lens, feux rouges are non-
Relevant radiant, X mirror holder, blue light shaping lens and blue light incoherent light light source, the feux rouges incoherent light light source and blue light are non-
Relevant radiant is located at the both sides up and down in the wide wavestrip incoherent light source mould group, and the green light shaping lens are located at described
The front of microscope group, the feux rouges shaping lens are located at the front of feux rouges incoherent light light source emergent light, the blue light shaping lens
It is located at the front of blue light incoherent light light source emergent light, keeps the green light shaping lens, feux rouges shaping lens and blue light shaping saturating
Mirror is in " Fang " shape on spatial position, and the X mirror holder is popular in bluish-green light combination mirror and anti-blue red green light combination mirror orthogonal systems thoroughly by counter
At the X mirror holder is located in the " Fang " shape that the green light shaping lens, feux rouges shaping lens and blue light shaping lens are formed
Between, be in " area " font, red incoherent light light source and blue incoherent light light source on spatial position through feux rouges shaping lens and
Blue light shaping lens reflect after focusing using X mirror holder, and X mirror holder reflected light is incident on the plus lens, converges through plus lens
Enter even light pipe after poly-.
Further, the mode of laser group is semiconductor laser, solid-state laser or laser array.The semiconductor swashs
Light device is green, red or blue semiconductor laser；The solid-state laser is green, red or blue solid-state laser；
The laser array is green, red or blue laser array.
Another technical solution of the invention is: the device includes two mode of laser groups, wide wavestrip incoherent light source mould group, two
A lens group, plus lens and even light pipe, the first lens group are located at the front of first laser mould group emergent light, and the width wavestrip is non-
Coherent source mould group is located at the front of the first lens group, and the plus lens is located at the front of wide wavestrip incoherent light source mould group,
Second lens group is vertically located at the lower section of wide wavestrip incoherent light source mould group, and second laser mould group is located under the second lens group
Side, the even light pipe are located at the front of the plus lens；It is described width wavestrip incoherent light source mould group include green light shaping lens,
Feux rouges shaping lens, feux rouges incoherent light light source, X mirror holder and blue light shaping lens, the feux rouges incoherent light light source are located at institute
The top in wide wavestrip incoherent light source mould group is stated, the green light shaping lens are located at the front of first lens group, described
Feux rouges shaping lens are located at the front of feux rouges incoherent light light source emergent light, and the blue light shaping lens are located at the second lens group and go out
The front for penetrating light makes the green light shaping lens, feux rouges shaping lens and blue light shaping lens on spatial position in " Contraband " word
Shape, the X mirror holder by it is counter be popular in bluish-green light combination mirror with it is anti-blue thoroughly red green light combination mirror is orthogonal forms, the X mirror holder is located at described
Among the " Fang " shape that green light shaping lens, feux rouges shaping lens and blue light shaping lens are formed, it is on spatial position " area "
Font, after the red shaped lens focus of incoherent light light source using the reflection of X mirror holder after, be incident on the plus lens, pass through
Enter even light pipe after plus lens convergence.
The first laser mould group is green semiconductor laser or solid-state laser and its corresponding laser array, is led to
It crosses optical fiber or Space Coupling and is focused through lens group and enter X mirror holder, enter even light pipe after incident plus lens convergence.
The second laser mould group is blue semiconductor laser or solid-state laser and its corresponding laser array, is led to
It crosses optical fiber or Space Coupling and is focused through lens group and enter X mirror holder, incident plus lens enters even after converging after the reflection of X mirror holder
Light pipe.
When incoherent light light source is red light source and blue-light source, laser can be green laser or green laser array；
When incoherent light light source is red light source, laser can be blue laser and green laser or can be blue laser array and green
Laser array, incoherent light light source and laser realize three coloured light complementary coupled meet the present invention claims.
The invention has the benefit that the present invention is by adopting the above technical scheme, incoherent light light source and laser are combined
Together, the technical issues of luminous mass existing for existing laser projection device is poor, cost is big and can not eliminate speckle is solved,
The price for reducing laser beam merging apparatus improves the luminous mass of laser beam merging apparatus.Compared with the background art, the present invention has
Have the advantages that luminous mass is good, at low cost and can eliminate speckle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of first embodiment of the invention；
Fig. 2 is the structural schematic diagram of second embodiment of the invention；
Fig. 3 is the structural schematic diagram of third embodiment of the invention；
Fig. 4 is the structural schematic diagram of fourth embodiment of the invention；
Fig. 5 is the structural schematic diagram of fifth embodiment of the invention；
Fig. 6 is the structural schematic diagram of sixth embodiment of the invention；
In figure, 1- first laser mould group, the first lens group of 2-, 3- wide wavestrip incoherent light source mould group, 4- plus lens, 5-
Even light pipe, 6- second laser mould group, the second lens group of 7-, 31- green light shaping lens, 32- feux rouges shaping lens, 33- feux rouges are non-
Relevant radiant, 34-X mirror holder, 35- blue light shaping lens, 36- blue light incoherent light light source.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, one of the present embodiment laser is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, packet
Include first laser mould group 1, the first lens group 2, wide wavestrip incoherent light source mould group 3, plus lens 4 and even light pipe 5, described first
Mode of laser group 1, the first lens group 2, wide wavestrip incoherent light source mould group 3, plus lens 4 and even light pipe 5 are successively set on described
On the outgoing light direction of first laser mould group 1, first lens group 2 is located at the front of 1 emergent light of first laser mould group,
The wide wavestrip incoherent light source mould group 3 is located at the front of the first lens group 2, and it is incoherent that the plus lens 4 is located at wide wavestrip
The front of light source module group 3, the even light pipe 5 are located at the front of the plus lens 4.
The wide wavestrip incoherent light source mould group 3 is incoherent including green light shaping lens 31, feux rouges shaping lens 32, feux rouges
Radiant 33, X mirror holder 34, blue light shaping lens 35 and blue light incoherent light light source 36,33 He of feux rouges incoherent light light source
Blue light incoherent light light source 36 is located at the both sides up and down in the wide wavestrip incoherent light source mould group, the green light shaping lens 31
It is located at the front of first lens group 2, before the feux rouges shaping lens 32 are located at 33 emergent light of feux rouges incoherent light light source
Side, the blue light shaping lens 35 are located at the front of 36 emergent light of blue light incoherent light light source, make the green light shaping lens 31,
Feux rouges shaping lens 32 and blue light shaping lens 35 are in " Fang " shape on spatial position, the X mirror holder 34 by it is counter be popular in it is bluish-green
Light combination mirror composition orthogonal with anti-blue thoroughly red green light combination mirror, the X mirror holder 34 are located at the green light shaping lens 31, feux rouges shaping
It is in " area " font, red incoherent light on spatial position among the " Fang " shape that lens 32 and blue light shaping lens 35 are formed
Light source 33 and blue incoherent light light source 35 are anti-using X mirror holder 34 after feux rouges shaping lens and blue light shaping lens focus
It penetrates, 34 reflected light of X mirror holder is incident on the plus lens 4, enters even light pipe 5 after the convergence of plus lens 4.
The first laser mould group 1 is green semiconductor laser, and first lens group 2 is by several plano-convex lens groups
At.
The working principle of the invention is: the laser projection dissipation spot optical path dress that one of the present embodiment is widened based on wavestrip
It sets, wide wavestrip incoherent light source mould group 3 issues red, blue dichromatism from red incoherent light source 33 and blue incoherent light source 36 respectively
Light, feux rouges and blue light pass through feux rouges shaping lens 32 respectively and blue light shaping lens 35 are focused, later feux rouges and blue light warp
Cross incident plus lens 4 after X mirror holder 34 is reflected；First laser mould group 1 is emitted green light, through 2 incident green light of the first lens group
Shaping lens 31 penetrate X mirror holder incidence plus lens 4 after the focusing of green light shaping lens, enter so that three coloured light is coupled into white light
Even light pipe 5 is penetrated, multiple reflections export the higher projection light source of quality in even light pipe.
Embodiment 2
As shown in Fig. 2, one of the present embodiment laser is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, it should
Device includes first laser mould group 1, the first lens group 2, wide wavestrip incoherent light source mould group 3, plus lens 4, even light pipe 5,
Dual-laser mould group 6 and the second lens group 7, first lens group 2 are located at the front of 1 emergent light of first laser mould group, the width
Wavestrip incoherent light source mould group 3 is located at the front of the first lens group 2, and the plus lens 4 is located at wide wavestrip incoherent light source mould
The front of group 3, the second lens group 7 are vertically located at the lower section of wide wavestrip incoherent light source mould group 3, and second laser mould group 6 is located at the
The lower section of two lens groups 7, the even light pipe 5 are located at the front of the plus lens 4；The wide wavestrip incoherent light source mould group 3
Including green light shaping lens 31, feux rouges shaping lens 32, feux rouges incoherent light light source 33, X mirror holder 34 and blue light shaping lens 35,
The feux rouges incoherent light light source 33 is located at the top in the wide wavestrip incoherent light source mould group 3, the green light shaping lens
31 are located at the front of first lens group 2, and the feux rouges shaping lens 32 are located at 33 emergent light of feux rouges incoherent light light source
Front, the blue light shaping lens 35 are located at the front of 7 emergent light of the second lens group, make the green light shaping lens 31, feux rouges
Shaping lens 32 and blue light shaping lens 35 are in " Fang " shape on spatial position, and the X mirror holder 34 is popular in bluish-green light combination by counter
Mirror composition orthogonal with anti-blue thoroughly red green light combination mirror, the X mirror holder 34 are located at the green light shaping lens 31, feux rouges shaping lens
32 and blue light shaping lens 35 formed " Fang " shape among, on spatial position be in " area " font, red incoherent light source 33
After reflecting after shaped lens focus using X mirror holder, it is incident on the plus lens 4, is entered after the convergence of plus lens 4 even
Light pipe 5.
The first laser mould group 1 is green semiconductor laser, is focused by optical fiber or Space Coupling through lens group
Into X mirror holder 34, incident plus lens 4 enters even light pipe 5 after converging.
The second laser mould group 6 is blue semiconductor laser, is focused by optical fiber or Space Coupling through lens group
Into X mirror holder 34, incident plus lens 4 enters even light pipe 5 after converging after the reflection of X mirror holder 34.
Embodiment 3
As shown in figure 3, one of the present embodiment laser is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, with
The difference of embodiment 1 is the first laser mould group 1 for green laser array light source, in remaining structure and embodiment 1
It is identical.
Embodiment 4
As shown in figure 4, one of the present embodiment laser is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, with
The difference of embodiment 2 is that the first laser mould group 1 is green laser array light source, and the second laser mould group 6 is
Blue laser array light source, remaining structure are identical as in embodiment 2.
Embodiment 5
As shown in figure 5, one of the present embodiment laser is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, with
The difference of embodiment 1 is that the first laser mould group 1 is green laser array light source and the wide wavestrip incoherent light light of green
Source array, remaining structure are identical as in embodiment 1.
Embodiment 6
As shown in fig. 6, one of the present embodiment laser is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, with
The difference of embodiment 2 is that the first laser mould group 1 is green laser array light source and the wide wavestrip incoherent light light of green
Source array, the second laser mould group 6 are blue laser array light source and the wide wavestrip incoherent light array of source of blue, remaining
Structure is identical as in embodiment 2.
Semiconductor laser in above-described embodiment can also be replaced with solid-state laser.
Claims (7)
1. the projection laser beam merging apparatus that a kind of laser is applied to wide wavestrip ray machine type, which is characterized in that including mode of laser group, thoroughly
Microscope group, wide wavestrip incoherent light source mould group, plus lens and even light pipe, the lens group are located at the mode of laser group emergent light
Front, the width wavestrip incoherent light source mould group are located at the front of lens group, and the plus lens is located at wide wavestrip incoherent light
The front of source mould group, the even light pipe are located at the front of the plus lens.
2. a kind of laser as described in claim 1 is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, feature exists
In the width wavestrip incoherent light source mould group includes green light shaping lens, feux rouges shaping lens, feux rouges incoherent light light source, X mirror
Frame, blue light shaping lens and blue light incoherent light light source, the feux rouges incoherent light light source and blue light incoherent light light source are located at
Both sides up and down in the width wavestrip incoherent light source mould group, the green light shaping lens are located at the front of the lens group, institute
The front that feux rouges shaping lens are located at feux rouges incoherent light light source emergent light is stated, it is incoherent that the blue light shaping lens are located at blue light
The front of radiant emergent light makes the green light shaping lens, feux rouges shaping lens and blue light shaping lens on spatial position
In " Fang " shape, the X mirror holder by it is counter be popular in bluish-green light combination mirror with it is anti-blue thoroughly red green light combination mirror is orthogonal forms, the X mirror holder is set
Among the " Fang " shape that the green light shaping lens, feux rouges shaping lens and blue light shaping lens are formed, in spatial position
Upper is in " area " font, and red incoherent light light source and blue incoherent light light source are poly- through feux rouges shaping lens and blue light shaping lens
Defocused to reflect using X mirror holder, X mirror holder reflected light is incident on the plus lens, and even light pipe is entered after plus lens converges.
3. a kind of laser as described in claim 1 is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, feature exists
In the mode of laser group is semiconductor laser, solid-state laser or laser array.
4. a kind of laser as claimed in claim 3 is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, feature exists
In the semiconductor laser is green, red or blue semiconductor laser；The solid-state laser is green, it is red or
Blue solid-state laser；The laser array is green, red or blue laser array.
5. the projection laser beam merging apparatus that a kind of laser is applied to wide wavestrip ray machine type, which is characterized in that the device includes two
Mode of laser group, wide wavestrip incoherent light source mould group, two lens groups, plus lens and even light pipe, the first lens group are located at first
The front of mode of laser group emergent light, the wide wavestrip incoherent light source mould group are located at the front of the first lens group, and the convergence is saturating
Mirror is located at the front of wide wavestrip incoherent light source mould group, and the second lens group is vertically located under wide wavestrip incoherent light source mould group
Side, second laser mould group are located at the lower section of the second lens group, and the even light pipe is located at the front of the plus lens；The width wave
Band incoherent light source mould group includes that green light shaping lens, feux rouges shaping lens, feux rouges incoherent light light source, X mirror holder and blue light are whole
Shape lens, the feux rouges incoherent light light source are located at the top in the wide wavestrip incoherent light source mould group, the green light shaping
Lens are located at the front of first lens group, before the feux rouges shaping lens are located at feux rouges incoherent light light source emergent light
Side, the blue light shaping lens are located at the front of the second lens group emergent light, make the green light shaping lens, feux rouges shaping lens
It is in " Fang " shape on spatial position with blue light shaping lens, the X mirror holder is by the anti-bluish-green light combination mirror and anti-blue thoroughly red green of being popular in
The orthogonal composition of light combination mirror, the X mirror holder are located at green light shaping lens, feux rouges shaping lens and the blue light shaping lens and are formed
" Fang " shape among, be in " area " font on spatial position, using X after the red shaped lens focus of incoherent light light source
After mirror holder reflection, it is incident on the plus lens, even light pipe is entered after plus lens converges.
6. a kind of laser as claimed in claim 5 is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, feature exists
In the mode of laser group is semiconductor laser, solid-state laser or laser array.
7. a kind of laser as claimed in claim 6 is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type, feature exists
In the semiconductor laser is green, red or blue semiconductor laser；The solid-state laser is green, it is red or
Blue solid-state laser；The laser array is green, red or blue laser array.
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| CN201910517335.3A CN110133953A (en) | 2019-06-14 | 2019-06-14 | A kind of laser is applied to the projection laser beam merging apparatus of wide wavestrip ray machine type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007691A (en) * | 2019-12-25 | 2020-04-14 | 中国华录集团有限公司 | Three-color laser projection system |
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Application publication date: 20190816 |