CN109085734A - Laser light source Multiplexing apparatus - Google Patents
Laser light source Multiplexing apparatus Download PDFInfo
- Publication number
- CN109085734A CN109085734A CN201710444416.6A CN201710444416A CN109085734A CN 109085734 A CN109085734 A CN 109085734A CN 201710444416 A CN201710444416 A CN 201710444416A CN 109085734 A CN109085734 A CN 109085734A
- Authority
- CN
- China
- Prior art keywords
- laser light
- curved surface
- light beam
- laser
- free
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 238000000748 compression moulding Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000009738 saturating Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
Abstract
The present invention relates to a kind of laser light source Multiplexing apparatus, including free-form surface lens, the free-form surface lens include: first surface, and the first laser light beam for the sending of first laser array of source passes through and enters in free-form surface lens；Second curved surface, for third curved surface will to be reflected by the first laser light beam of first surface；Third curved surface, passes through for the first laser light beam after reflecting and is pierced by free-form surface lens and enter Wavelength converter, while converging to by the first laser light beam of third curved surface.The light combination of laser beam is realized by free-form surface lens, the first surface of free-form surface lens, the second curved surface and third curved surface realize the multiple functions such as direction change, convergence to laser beam, single free-form surface lens instead of traditional multiple groups reflecting mirror and lens group mode, structure is simple, volume is more compact, optical efficiency is higher, and cost is also reduced.
Description
Technical field
The present invention relates to laser projection fields, more particularly to a kind of laser light source Multiplexing apparatus.
Background technique
Laser light source has the characteristics that high directivity, brightness is high, coherence is good, gradually becomes high-brightness projection master in recent years
Light source is wanted, and is widely used in large-size screen monitors display field and education projection field.
Laser projection light source module group generallys use laser source array after the reflection of multiple groups reflecting mirror at present, through a system
The collector lens group of column converges, and on Wavelength converter, inspires the visible light of other different wave lengths.Traditional approach swashs
Radiant light combination mode uses multiple lens, and structure is more complicated, and volume is larger.
Summary of the invention
Based on this, it is necessary to provide the laser light source Multiplexing apparatus that a kind of structure is simple, small in size.
A kind of laser light source Multiplexing apparatus, including free-form surface lens, the free-form surface lens include:
First surface, the first laser light beam for the sending of first laser array of source pass through and enter free-form surface lens
It is interior；
Second curved surface, for third curved surface will to be reflected by the first laser light beam of first surface；
Third curved surface, pass through for the first laser light beam after reflecting and be pierced by free-form surface lens enter wavelength convert dress
It sets, while being converged to by the first laser light beam of third curved surface.
Second curved surface is also used to converge first laser light beam in one of the embodiments,.
The second surface normal angle is 20 °~60 ° in one of the embodiments,.
The first surface is also used to carry out facula correction to first laser light beam in one of the embodiments,.
The first surface, the second curved surface and third curved surface are raw by way of compression molding in one of the embodiments,
At.
The laser light source Multiplexing apparatus in one of the embodiments, further include:
First laser array of source, face first surface setting, for issuing first laser light beam；
Wavelength converter generates other one for that will convert by the first laser light beam wavelength after free-form surface lens
The visible light of kind wavelength；
It is successively set on plus lens group in the optical path of the visible light of another wavelength, dodging device, relay lens
Group, Projection Display chip.
The free-form surface lens in one of the embodiments, further include:
4th curved surface, the second laser light beam for the sending of second laser array of source pass through and enter free-form surface lens
Interior, the second laser array of source is vertically arranged with first laser array of source；
5th curved surface, for the second curved surface will to be reflected by the second laser light beam of the 4th curved surface；
Second curved surface is also used to the second laser light beam through the 5th camber reflection being reflected into third curved surface；
The third curved surface is also used to the second laser light beam after two secondary reflections and passes through and be pierced by free-form surface lens entrance
Wavelength converter, while being converged to by the second laser light beam of third curved surface.
Second curved surface includes upper half curved surface and lower half curved surface in one of the embodiments,；
The upper half curved surface is used for reflected second laser light for reflecting first laser light beam, the lower half curved surface
Beam；
Or the upper half curved surface is used for reflected second laser light beam, the lower half curved surface is for reflecting first laser light
Beam.
The 4th curved surface is also used to carry out facula correction to second laser light beam in one of the embodiments,.
It is convex curved surface, institute that the 4th curved surface, which corresponds to the plane of incidence of second laser light beam, in one of the embodiments,
Stating the 5th curved surface and corresponding to the plane of incidence of second laser light beam is concave Iy curved.
Above-mentioned laser light source Multiplexing apparatus realizes the light combination of laser beam, free-form surface lens by free-form surface lens
First surface, the second curved surface and third curved surface realize the direction of laser beam is changed, the multiple functions such as convergence, it is single
Free-form surface lens are instead of the mode of traditional multiple groups reflecting mirror and lens group, and structure is simple, and volume is more compact, optical efficiency
It is higher, it is no longer necessary to which that multiple groups reflecting mirror and lens group, cost are also reduced.
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 traditional laser light source Multiplexing apparatus schematic diagram；
Fig. 2 is a kind of free-form surface lens schematic diagram of laser light source Multiplexing apparatus in an embodiment；
Fig. 3 is a kind of schematic diagram of laser light source Multiplexing apparatus in an embodiment；
Fig. 4 is a kind of free-form surface lens schematic diagram of laser light source Multiplexing apparatus 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 traditional laser light source Multiplexing apparatus schematic diagram, and traditional laser light source Multiplexing apparatus includes: to issue
Then the laser light source battle array 21 of laser beam is successively set on laser beam to the multiple groups reflecting mirror 22 of laser beam reflection
Lens group 23, large reflective mirror 24, lens group 25 in optical path realize that light converges on Wavelength converter 26, in structure
More complicated, using multiple lens, volume is larger, higher cost, and assembling alignment difficulty is larger.
Fig. 2 is a kind of free-form surface lens schematic diagram of laser light source Multiplexing apparatus, which includes:
First surface S1, the first laser light beam for the sending of first laser array of source 1 pass through and enter free form surface
In lens 2；
Second curved surface S2, for third curved surface S3 will to be reflected by the first laser light beam of first surface S1；
Third curved surface S3 passes through for the first laser light beam after reflecting and is pierced by free-form surface lens 2 into wavelength turn
Changing device 3, while being converged to by the first laser light beam of third curved surface.
The light combination of laser beam, the first surface S1 of free-form surface lens 2, second are realized by free-form surface lens 2
Curved surface S2 and third curved surface S3 realizes the multiple functions such as direction change, convergence to laser beam, instead of traditional multiple groups
The mode of reflecting mirror and lens group, free-form surface lens 2 are able to achieve multiple components in conventional laser light source Multiplexing apparatus and integrally match
The effect of conjunction, and structure is simple, and volume is more compact, and optical efficiency is higher, and cost is also reduced.
In one embodiment, first surface S1 can be also used for carrying out facula correction to first laser light beam.First is bent
The incident direction that face S1 corresponds to first laser light beam can be concave Iy curved, incident first laser light beam can be carried out small angle
The dispersion of degree；The incident direction that first surface S1 corresponds to first laser light beam may be convex curved surface, can be by incident the
One laser beam carries out the convergence of low-angle, according to the incidence range of first laser light beam and subsequent operation selection to hot spot school
Just.
In one embodiment, the second curved surface S2 can be also used for converging first laser light beam.Second curved surface S2
Not only first laser light beam reflect while also first laser light beam is converged, can reduce the face of third curved surface S3
Product, and then reduce the volume of free-form surface lens 2.It is preferred that the second curved surface S2 and third curved surface S3 cooperatively form a convergence curved surface
Group effectively converges first laser light beam, can meet the needs of Wavelength converter 3.
In the above-described embodiments, the second surface normal angle is 20 °~60 °.Since free-form surface lens 2 need at least to adopt
It is completed to carry out light source facula correction, hot spot convergence with 3 curved surfaces, so the angle in the second face curved surface S2 is required, the
Two curved surface S2 normal angles need between 20 °~60 °, not so cannot achieve facula correction, the hot spot aggregation feature of light.The
Two curved surface S2 normal angles can be 20 °, 30 °, 35 °, 40 °, 45 °, 50 °, 60 ° etc..
Optionally, as shown in figure 3, laser light source Multiplexing apparatus further include:
First laser array of source 1, face first surface S1 setting, issues first laser light beam；
First laser light beam wavelength conversion after free-form surface lens 2 is generated another by Wavelength converter 3
The visible light of wavelength；
It is saturating to be successively set on plus lens group 4 in the optical path of the visible light of another wavelength, dodging device 5, relaying
Microscope group 6, Projection Display chip 7.Wherein Projection Display chip 7 can be Digital Micromirror Device DMD or LCD, LCOS.Preferably,
First laser light beam can increase lens group after free-form surface lens 2 and further converge to light beam.
In above-described embodiment, first surface S1, the second curved surface S2 and third curved surface S3 are generated by compression molding mode.It is logical
It crosses compression molding mode to make, mold ensure that surface accuracy, and than conventionally employed multiple lens groups, assembly when adjusts again to be wanted
It is easy to accomplish.
In one embodiment, laser light source Multiplexing apparatus is not limited to single group laser light-source device, applies also for multiple groups and swashs
Radiant device, as shown in figure 4, free-form surface lens can also include:
4th curved surface S4, the second laser light beam issued for second laser array of source 11 are saturating by freedom of entry curved surface
In mirror 2, wherein second laser light beam wavelength can with first laser light beam wavelength difference and also with first laser light beam wave
Length is identical, and second laser array of source 11 is vertically arranged with first laser array of source 1；
5th curved surface S5, for the second curved surface S2 will to be reflected by the second laser light beam of the 4th curved surface S4；
Second curved surface S2 can be also used for the second laser light beam reflected through the 5th curved surface S5 being reflected into third curved surface S3；
Third curved surface S3 can be also used for the second laser light beam after two secondary reflections pass through and be pierced by free-form surface lens 2 into
Enter Wavelength converter 3, while the second laser light beam by third curved surface S3 is converged.
In the present embodiment, laser light source Multiplexing apparatus further includes second laser array of source 11, the second laser light source
The 4th curved surface S4 of 11 face of array setting, issues second laser light beam；Second laser array of source 11 and first laser light source battle array
Column 1 are vertically arranged.Preferably, first laser light beam and second laser light beam can increase lens after free-form surface lens 2
Group further converges light beam.The present embodiment is two groups of laser light-source devices, and more multiple groups laser light source dress can also similarly be arranged
It sets.
In one embodiment, the second curved surface S2 can also converge first laser light beam and second laser light beam.
Second curved surface S2 not only reflect while also to first laser light beam and second to first laser light beam and second laser light beam
Laser beam is converged, and can reduce the area of third curved surface S3, and then reduce the volume of free-form surface lens 2.Second is bent
Face S2 and third curved surface S3 cooperatively forms a convergence curved surface group, is effectively converged, can be expired to first laser light beam
The demand of sufficient Wavelength converter 3.
In one embodiment, the second curved surface S2 includes upper half curved surface and lower half curved surface；Upper half curved surface is for anti-
First laser light beam is penetrated, lower half curved surface is used for reflected second laser light beam；Or upper half curved surface is used for reflected second laser light
Beam, lower half curved surface is for reflecting first laser light beam.The upper half curved surface and lower half curved surface of second curved surface S2 is respectively to
One laser beam and second laser light beam are reflected and are converged, and optical efficiency will not be sacrificed.
In one embodiment, the 4th curved surface S4 can also carry out facula correction to second laser light beam.4th curved surface S4
The incident direction of corresponding second laser light beam can be concave Iy curved, incident first laser light beam can be carried out low-angle
Dispersion；The incident direction that 4th curved surface S4 corresponds to second laser light beam may be convex curved surface, incident second can be swashed
Light light beam carries out the convergence of low-angle, according to the incidence range of second laser light beam and subsequent operation selection to facula correction.
In the present embodiment, it is convex curved surface, the 5th curved surface S5 that the 4th curved surface S4, which corresponds to the plane of incidence of second laser light beam,
The plane of incidence of corresponding second laser light beam is concave Iy curved.Can be with the plane of incidence that the 4th curved surface S4 corresponds to second laser light beam
Concave Iy curved, the plane of incidence that the 5th curved surface S5 corresponds to second laser light beam is convex curved surface.
In above-described embodiment, first surface S1, the second curved surface S2, third curved surface S3, the 4th curved surface S4 and the 5th curved surface S5
It is generated by compression molding mode.It is made by compression molding mode, mold ensure that surface accuracy, more multiple than conventionally employed
Microscope group, assembly when adjusts again wants easy to accomplish.
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 laser light source Multiplexing apparatus, which is characterized in that including free-form surface lens, the free-form surface lens include:
First surface, the first laser light beam for the sending of first laser array of source pass through and enter in free-form surface lens；
Second curved surface, for third curved surface will to be reflected by the first laser light beam of first surface；
Third curved surface, passes through for the first laser light beam after reflecting and is pierced by free-form surface lens and enter Wavelength converter,
It is converged simultaneously to by the first laser light beam of third curved surface.
2. laser light source Multiplexing apparatus according to claim 1, which is characterized in that second curved surface is also used to first
Laser beam is converged.
3. laser light source Multiplexing apparatus according to claim 1, which is characterized in that the second surface normal angle is
20 °~60 °.
4. laser light source Multiplexing apparatus according to claim 1, which is characterized in that the first surface is also used to first
Laser beam carries out facula correction.
5. laser light source Multiplexing apparatus according to claim 1, which is characterized in that the first surface, the second curved surface and
Third curved surface is generated by compression molding mode.
6. laser light source Multiplexing apparatus according to claim 1, which is characterized in that the laser light source Multiplexing apparatus also wraps
It includes:
First laser array of source, face first surface setting, for issuing first laser light beam；
Wavelength converter generates another wave for that will convert by the first laser light beam wavelength after free-form surface lens
Long visible light；
Plus lens group, dodging device, the relay lens group, throwing being successively set in the optical path of the visible light of another wavelength
Shadow display chip.
7. -6 any laser light source Multiplexing apparatus according to claim 1, which is characterized in that the free-form surface lens are also
Include:
4th curved surface, the second laser light beam for the sending of second laser array of source pass through and enter in free-form surface lens,
The second laser array of source is vertically arranged with first laser array of source；
5th curved surface, for the second curved surface will to be reflected by the second laser light beam of the 4th curved surface；
Second curved surface is also used to the second laser light beam through the 5th camber reflection being reflected into third curved surface；
The third curved surface is also used to the second laser light beam after two secondary reflections and passes through and be pierced by free-form surface lens enter wavelength
Conversion equipment, while being converged to by the second laser light beam of third curved surface.
8. laser light source Multiplexing apparatus according to claim 7, which is characterized in that second curved surface includes upper half song
Face and lower half curved surface；
The upper half curved surface is used for reflected second laser light beam for reflecting first laser light beam, the lower half curved surface；
Or the upper half curved surface is used for reflected second laser light beam, the lower half curved surface is for reflecting first laser light beam.
9. laser light source Multiplexing apparatus according to claim 7, which is characterized in that the 4th curved surface is also used to second
Laser beam carries out facula correction.
10. laser light source Multiplexing apparatus according to claim 7, which is characterized in that the 4th curved surface corresponding second swashs
The plane of incidence of light light beam is convex curved surface, and the plane of incidence that the 5th curved surface corresponds to second laser light beam is concave Iy curved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444416.6A CN109085734A (en) | 2017-06-13 | 2017-06-13 | Laser light source Multiplexing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444416.6A CN109085734A (en) | 2017-06-13 | 2017-06-13 | Laser light source Multiplexing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109085734A true CN109085734A (en) | 2018-12-25 |
Family
ID=64838729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710444416.6A Pending CN109085734A (en) | 2017-06-13 | 2017-06-13 | Laser light source Multiplexing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109085734A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162368A (en) * | 2020-10-23 | 2021-01-01 | 深圳市都乐精密制造有限公司 | Free-form surface reflective coupling lens |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004296047A (en) * | 2003-03-28 | 2004-10-21 | Fuji Photo Optical Co Ltd | Objective lens for optical recording medium and optical pickup device |
| US20050007681A1 (en) * | 2003-05-23 | 2005-01-13 | Olympus Corporation | Optical system |
| CN201637919U (en) * | 2010-03-26 | 2010-11-17 | 深圳市亿思达显示科技有限公司 | Optics system of catadioptric free-curved-surface binary optical prism |
| CN102436038A (en) * | 2011-12-27 | 2012-05-02 | 华为技术有限公司 | Optical path coupler, optical path coupling device and optical path coupling method |
| CN102540679A (en) * | 2012-02-22 | 2012-07-04 | 海信集团有限公司 | Light source device, light source generation method and laser projector comprising light source device |
| CN103775869A (en) * | 2012-10-18 | 2014-05-07 | 索尼公司 | Light source apparatus and image display apparatus |
| CN104570233A (en) * | 2013-10-29 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Optical device |
| CN105467737A (en) * | 2015-12-29 | 2016-04-06 | 海信集团有限公司 | Laser light source device and laser projection equipment |
| CN106019528A (en) * | 2016-08-17 | 2016-10-12 | 上海理湃光晶技术有限公司 | Light and wide-view-field imaging structure design |
| CN206920807U (en) * | 2017-06-13 | 2018-01-23 | 艾优优（深圳）技术有限公司 | LASER Light Source Multiplexing apparatus |
-
2017
- 2017-06-13 CN CN201710444416.6A patent/CN109085734A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004296047A (en) * | 2003-03-28 | 2004-10-21 | Fuji Photo Optical Co Ltd | Objective lens for optical recording medium and optical pickup device |
| US20050007681A1 (en) * | 2003-05-23 | 2005-01-13 | Olympus Corporation | Optical system |
| CN201637919U (en) * | 2010-03-26 | 2010-11-17 | 深圳市亿思达显示科技有限公司 | Optics system of catadioptric free-curved-surface binary optical prism |
| CN102436038A (en) * | 2011-12-27 | 2012-05-02 | 华为技术有限公司 | Optical path coupler, optical path coupling device and optical path coupling method |
| CN102540679A (en) * | 2012-02-22 | 2012-07-04 | 海信集团有限公司 | Light source device, light source generation method and laser projector comprising light source device |
| CN103775869A (en) * | 2012-10-18 | 2014-05-07 | 索尼公司 | Light source apparatus and image display apparatus |
| CN104570233A (en) * | 2013-10-29 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Optical device |
| CN105467737A (en) * | 2015-12-29 | 2016-04-06 | 海信集团有限公司 | Laser light source device and laser projection equipment |
| CN106019528A (en) * | 2016-08-17 | 2016-10-12 | 上海理湃光晶技术有限公司 | Light and wide-view-field imaging structure design |
| CN206920807U (en) * | 2017-06-13 | 2018-01-23 | 艾优优（深圳）技术有限公司 | LASER Light Source Multiplexing apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162368A (en) * | 2020-10-23 | 2021-01-01 | 深圳市都乐精密制造有限公司 | Free-form surface reflective coupling lens |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8061857B2 (en) | LED light shaping device and illumination system | |
| CN105467736B (en) | Optical unit, Optical devices, light supply apparatus and projection display equipment using it | |
| TW200538778A (en) | Reshaping light source modules and illumination systems using the same | |
| CN204496039U (en) | Optical lens and annular projection's display system thereof | |
| CN208384331U (en) | A kind of projection lighting optical path and projective module group | |
| CN201402362Y (en) | High light-efficiency minitype projection optical engine | |
| CN207424511U (en) | A kind of optical projection system and TIR prism group | |
| WO2010069101A1 (en) | Led light shaping device and illumination system | |
| WO2017012220A1 (en) | Compact projection device | |
| CN206920807U (en) | LASER Light Source Multiplexing apparatus | |
| CN110161758A (en) | Light transformational structure, backlight module and virtual reality display device | |
| US7252393B1 (en) | Triangular prism dual lamp coupler | |
| CN107015427A (en) | Projection arrangement and electronic equipment | |
| WO2012024850A1 (en) | Optical structure of led liquid crystal projector with single polarization converter | |
| CN104536140A (en) | Folding extension display optical device based on prism coupling | |
| CN107703632A (en) | The light folded waveguide display device of prism-coupled | |
| CN205193364U (en) | Close photosystem and projection illumination light path thereof | |
| CN207424510U (en) | A kind of RTIR optical elements group and its optical projection system | |
| CN109085734A (en) | Laser light source Multiplexing apparatus | |
| CN105259732A (en) | Light beam combining system and projection apparatus therefor | |
| CN204964979U (en) | Projection illumination optical path | |
| JPH021818A (en) | Light valve projector | |
| CN211427018U (en) | Projection light path, projector and projection system | |
| CN205103532U (en) | Light beam closes photosystem and projection arrangement thereof | |
| CN105182673B (en) | Projecting apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |