CN104460209B - A kind of structure and its LCOS for showing ray machine shows means of illumination - Google Patents
A kind of structure and its LCOS for showing ray machine shows means of illumination Download PDFInfo
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- CN104460209B CN104460209B CN201410851475.1A CN201410851475A CN104460209B CN 104460209 B CN104460209 B CN 104460209B CN 201410851475 A CN201410851475 A CN 201410851475A CN 104460209 B CN104460209 B CN 104460209B
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- light path
- conveyer
- lcos
- prism
- display
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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
- G03B21/142—Adjusting of projection optics
-
- 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
- G03B21/2073—Polarisers in the lamp house
-
- 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
- G03B21/28—Reflectors in projection beam
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Polarising Elements (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides providing a kind of structure and its LCOS for showing ray machine to show means of illumination, the structure of the display ray machine mainly includes：Illumination apparatus, conveyer, imaging device, reflection unit, display device composition, it is characterised in that：The conveyer is located at the middle part of display ray machine, 4 surfaces of conveyer respectively with illumination apparatus, conveyer, imaging device, reflection unit, the functional surfaces of display device, which are corresponded, to be installed, illumination apparatus, conveyer, display device is installed on same axis；Reflection unit, conveyer, imaging device is installed on same axis, it is big in the volume of LCOS display devices and auxiliary products that two formed axis of apparatus above installation are mutually perpendicular to intersecting this technologies emphasis solution product, the problem of portability is poor, this technology has carried out multinomial design improvement on the basis of the image-forming principle of LCOS devices, processing is optimized to the structure of the display ray machine using a variety of optical delivery relative theories, technical result plays clearly technique effect in the volume of LCOS image procossings and diminution LCOS display devices, further improve the application field and scope of LCOS display devices.
Description
Technical field
The image in imaging technique is shown the invention belongs to a kind of transmission of image and display field technology, more particularly to LCOS
Transmission structure.
Background technology
LCOS technologies are a kind of new reflective microLCD shadow casting techniques.Compared with penetration LCD and DLP, LCOS
Technology, which has, utilizes the features such as light efficiency height, small volume, aperture opening ratio are high, manufacturing technology is more ripe, and it can easily be realized
High-resolution and sufficient color representation.LCOS technology biggest advantages are that resolution can be very high, in portable information equipment
Application on, this advantage is that other technologies can not be dressed therewith.Have the disadvantage that the processing procedure of LCOS accessory modules is relatively complicated, each life
The control of production stage yield is difficult, and cost is difficult to competitive, can only rest in the special-purpose for needing high-res.At present
The development that the development of LCOS chip must be easy to whole chip industry has further raising, but for LCOS technology sheets
Development or one piece short slab of the design of imaging optical path and image formation prism required for body imaging for whole LCOS industries.Cause
This, now for from the point of view of the development of current LCOS technical industries, it is necessary to which more supporting industries of LCOS will also accelerate research.
The content of the invention
Means of illumination, this technology emphasis are shown it is an object of the invention to provide a kind of structure and its LCOS for showing ray machine
Solve product big in LCOS display devices and the volume of auxiliary products, the problem of portability is poor, this technology LCOS devices into
As having carried out multinomial design improvement on the basis of principle, the structure of the display ray machine is entered using a variety of optical delivery relative theories
Optimization processing is gone, technical result is in LCOS image procossings and reduces in the volumes of LCOS display devices and plays clearly technology
Effect, further improves the application field and scope of LCOS display devices.
The structure and its LCOS for a kind of display ray machine that the present invention is realized in show means of illumination, the display ray machine
Structure mainly includes：Illumination apparatus, conveyer, imaging device, reflection unit, display device composition, it is characterised in that：It should be somebody's turn to do
Conveyer is located at the middle part of display ray machine, 4 surfaces of conveyer respectively with illumination apparatus, conveyer, imaging device,
Reflection unit, the functional surfaces of display device, which are corresponded, to be installed；Illumination apparatus, conveyer, display device be installed on it is same in
On axis；Reflection unit, conveyer, imaging device are installed on same axis, and apparatus above is installed in formed two
Axis is mutually perpendicular to intersecting
The described illumination apparatus is rearranged by light source, optical lens group, polarizer order, and the polarizer is filled with transmission
The parallel installation in surface put；The light source is constituted for one or more spot lights, and optical lens group is made up of one or more optical lens,
The polarizer is a polarizer；
The described conveyer is that, with certain optical function prism group composition, the prism group is (oblique by two oblique prisms
Angle prism 301 and oblique prism 302) fitting forms, and the oblique angle face corresponding to oblique prism 301,302 is placed in parallel and mutually pasted
Close, and the angle in the oblique angle face of two oblique prisms is 45 °；A light is provided between the joint place in the oblique angle face of two slant edge mirrors
Coating is learned, the optical coating is a polarizing coating；
The described reflection unit is rearranged by a quarter wave plate and reflection device order, the surface of conveyer one with it is anti-
The quarter wave plate of injection device is parallel to be installed, and quarter wave plate is located at the middle part of reflection device and conveyer, and the reflection device is one anti-
Penetrate piece
The described imaging system is that LCOS image processing icses and imaging circuit are constituted, the transmitting of LCOS image processing icses
Face installation parallel with the surface of the conveyer
The described display device is a polarizer, and the surface of the polarizer and the conveyer is installed to be non-parallel,
And shape is at a certain angle.
The LCOS show means of illumination be sent by illumination apparatus the communicated device of light path difference, imaging device,
After reflection unit, display apparatus processes and transmit, to carry out the target light path required for us.
The step of LCOS shows means of illumination is as follows：
A, illumination apparatus provide the first light path, and the light path is that the light path launched by light source is handled by an optical lens group
Afterwards, light path is handled through a polarizer, the light path after processing is the first light path；
B, the first light path are entered in the prism of conveyer, the optical coating through the prism joint place, and by first
Projected after light path reflection and by the prism surface, the second light path is formed after the communicated device of the first light path；Second light path enters anti-
Injection device, carries out reversion to the second light path through the quarter wave plate and forms the 3rd light path；
C, the 3rd light path into the prism of conveyer, and are passed through after the reflector plate reflection in reflection unit
One optical coating of the prism joint place, and inject imaging device through the prism；LCOS image processors through the imaging device
The 4th light path is reflected to form after processing again.
D, the 4th light path are entered back into the prism of conveyer, the optical coating through prism joint place, and by the 4th
Enter the polarizer of display device after refraction of light path, further according to the polarization theory of light, polarization manipulation shape is carried out to the 4th light path
It is target light path into the 5th light path.
E, the 5th light path are our target light paths required after treatment.
Use above-mentioned technical proposal, a kind of structure for showing ray machine provided by the present invention and its LCOS method for displaying and imaging
LCOS shows that system has, the technical characteristic such as structure is through gathering, easy to process, imaging effect is good, and can produce on a large scale and
Processing.
Brief description of the drawings
Fig. 1 is the product frame diagram that the present invention is provided；
Fig. 2 is the explosive view for the product front view that the present invention is provided；
Fig. 3 is the product front view that the present invention is provided；
Fig. 4 is the explosive view for the attached view of product that the present invention is provided；
Fig. 5 is the light path design sketch of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Shown in reference picture 1-4, the embodiment of the present invention is that the structure and its LCOS of a kind of display ray machine being realized in show
Show means of illumination, the structure of the display ray machine mainly includes：Illumination apparatus, conveyer, imaging device, reflection unit, display
Device is constituted, it is characterised in that：The conveyer is located at the middle part of display ray machine, 4 surfaces of conveyer respectively with illumination
Device, conveyer, imaging device, reflection unit, the functional surfaces of display device are corresponded and installed, illumination apparatus, transmission dress
Put, display device is installed on same axis；Reflection unit, conveyer, imaging device are installed on same axis, with
Upper device installs two formed axis and is mutually perpendicular to intersecting
The described illumination apparatus is rearranged by light source 1, optical lens group 2, the order of polarizer 4, and the polarizer 4 is with passing
Send the surface 3011 of device is parallel to install；The light source 1 constitutes for one or more spot lights, and optical lens group 2 is by one or more
Optical lens is constituted, and the optical lens group that this technology is applied constitutes optical lens 202 for an aspheric lens structures by two optical lens,
Currently require that obtaining a projection surface is the rectangle shadow of relative amplification in the art, therefore used in the selection of lens group
One outside is handled for the beam splitting lens group of non-spherical lens, can be so exaggerated simultaneously by the image of the lens group
And become apparent from；The polarizer 4 is a polarizer；
The described conveyer is constitutes with certain optical function prism group 3, and the prism group 3 is by two oblique prisms
(oblique prism 301 and oblique prism 302) fitting is formed, and the oblique angle face corresponding to oblique prism 301,302 is placed in parallel and phase
Mutually laminating, and the angle in the oblique angle face of two oblique prisms is 45 °；It is provided between the joint place in the oblique angle face of two slant edge mirrors
One optical coating, the optical coating is a polarizing coating；
The described reflection unit is rearranged by a quarter wave plate 6 and the order of a reflection device 5, the surface of conveyer one with
The quarter wave plate 6 of reflection unit is parallel to be installed, and quarter wave plate 6 is located at reflection device 5 and the middle part of conveyer prism group 3, and this is anti-
Emitter part 5 is a reflector plate
The described imaging system is that LCOS image processing icses 7 and imaging circuit are constituted, the hair of LCOS image processing icses 7
Penetrate face installation parallel with the surface of the conveyer
The display device is a polarizer 8, and the surface of the polarizer 8 and the conveyer prism group 3 is non-flat
Row is installed, and shape is at a certain angle, and the scope of the angle is (0 °~20 °)；Art methods are put the polarizer
The method adopted to be placed in parallel is put, the image surrounding being achieved in that occurs that contrast center image has notable difference
Halation, image display effect is bad, therefore the polarizer is placed using non-perpendicular in this technology, according to the skill after improvement
Art achievement, for image after transmission, the definition of picture can improve a lot；
The LCOS show means of illumination be sent by illumination apparatus the communicated device of light path difference, imaging device,
After reflection unit, display apparatus processes and transmit, to carry out the target light path required for us.
The step of LCOS shows means of illumination is as follows：
A, illumination apparatus provide the first light path, and the light path is that the light path launched by light source is handled by an optical lens group
Afterwards, light path is handled through a polarizer, the light path after processing is the first light path；
B, the first light path are entered in the prism of conveyer, the optical coating through the prism joint place, and by first
Projected after light path reflection and by the prism surface, the second light path is formed after the communicated device of the first light path；Second light path enters anti-
Injection device, carries out reversion to the second light path through the quarter wave plate and forms the 3rd light path.
C, the 3rd light path into the prism of conveyer, and are passed through after the reflector plate reflection in reflection unit
One optical coating of the prism joint place, and inject imaging device through the prism；LCOS image processors through the imaging device
After processing, the 4th light path is reflected to form again.
D, the 4th light path are entered back into the prism of conveyer, the optical coating through prism joint place, and by the 4th
Enter the polarizer of display device after refraction of light path, further according to the polarization theory of light, polarization manipulation shape is carried out to the 4th light path
It is target light path into the 5th light path.
E, the 5th light path are our target light paths required after treatment.
The LCOS imaging display systems that a kind of structure design for showing ray machine is provided designed by the present invention, with structure
The technical characteristic such as compact, imaging effect is good, and can produce and process on a large scale.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention creation, all in the present invention
Spirit and principle within any modifications, equivalent substitutions and improvements for being made etc., should be included in protection scope of the present invention it
It is interior.
Claims (1)
1. a kind of structure and its LCOS for showing ray machine shows means of illumination, the structure of the display ray machine mainly includes：Illumination is filled
Put, conveyer, imaging device, reflection unit, display device are constituted, it is characterised in that：The conveyer is located at display ray machine
Middle part, 4 surfaces of conveyer respectively with illumination apparatus, imaging device, reflection unit, the functional surfaces of display device are one by one
Correspondence is installed；Illumination apparatus, conveyer, display device are installed on same axis；Reflection unit, conveyer, imaging
Device is installed on same axis, and apparatus above installs two formed axis and is mutually perpendicular to intersect；
The illumination apparatus is rearranged by light source, optical lens group, polarizer order, the surface of the polarizer and conveyer
It is parallel to install；The light source is constituted for one or more spot lights, and optical lens group is made up of one or more optical lens, the polarizer
Part is a polarizer；
The conveyer is that the prism group is by oblique prism 301 and oblique prism 302 with certain optical function prism group composition
Laminating is formed, and the oblique angle face corresponding to oblique prism 301,302 is placed in parallel and bonded to each other, in the oblique angle face of two slant edge mirrors
An optical coating is provided between joint place, the optical coating is a polarizing coating；
The reflection unit is rearranged by a quarter wave plate and reflection device order, the surface of conveyer one and reflection unit
The parallel installation of quarter wave plate, quarter wave plate are located at the middle part of reflection device and conveyer, and the reflection device is a reflector plate；
The imaging system is that LCOS image processing icses and imaging circuit are constituted, the surface of emission of LCOS image processing icses and the biography
Send the surface of device is parallel to install；
The light path sent by illumination apparatus is distinguished after communicated device, imaging device, reflection unit, display apparatus processes and passed
Pass, to carry out the target light path required for us；
Display device is that a polarizer, the non-parallel installation in surface of the polarizer and the conveyer, and formation are certain
Angle.
The step of LCOS shows means of illumination is as follows：
A, illumination apparatus provide the first light path, the light path be the light path launched by light source after optical lens group processing,
Light path is handled through a polarizer, the light path after processing is the first light path；
B, the first light path are entered in the prism of conveyer, the optical coating through the prism joint place, and by the first light path
Projected after reflection and by the prism surface, the second light path is formed after the communicated device of the first light path；Second light path enters reflection and filled
Put, carrying out reversion to the second light path through the quarter wave plate forms the 3rd light path；
C, the 3rd light path into the prism of conveyer, and pass through the rib after the reflector plate reflection in reflection unit
One optical coating of mirror joint place, and inject imaging device through the prism；LCOS image processors processing through the imaging device
Reflect to form the 4th light path again afterwards；
D, the 4th light path are entered back into the prism of conveyer, the optical coating through prism joint place, and by the 4th light path
Enter the polarizer of display device after refraction, further according to the polarization theory of light, polarization manipulation formation the is carried out to the 4th light path
Five light paths are target light path；
E, the 5th light path are our target light paths required after treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851475.1A CN104460209B (en) | 2014-12-31 | 2014-12-31 | A kind of structure and its LCOS for showing ray machine shows means of illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851475.1A CN104460209B (en) | 2014-12-31 | 2014-12-31 | A kind of structure and its LCOS for showing ray machine shows means of illumination |
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| Publication Number | Publication Date |
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| CN104460209A CN104460209A (en) | 2015-03-25 |
| CN104460209B true CN104460209B (en) | 2017-07-25 |
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| CN201410851475.1A Active CN104460209B (en) | 2014-12-31 | 2014-12-31 | A kind of structure and its LCOS for showing ray machine shows means of illumination |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093556A (en) * | 2015-08-25 | 2015-11-25 | 深圳珑璟光电技术有限公司 | Micro display light machine structure and imaging method thereof |
| CN107300767B (en) * | 2016-04-14 | 2023-12-15 | 北京亮亮视野科技有限公司 | Head-mounted visual equipment |
| CN107436510B (en) * | 2017-09-19 | 2023-12-26 | 歌尔光学科技有限公司 | LCOS lighting device |
| CN111158143B (en) * | 2018-11-08 | 2021-06-04 | 舜宇光学（浙江）研究院有限公司 | Micro projection light engine for near-eye display device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005032150A1 (en) * | 2003-09-30 | 2005-04-07 | Koninklijke Philips Electronics, N.V. | Color-sequential lcos projector using single beam splitter |
| US6980346B1 (en) * | 2004-09-15 | 2005-12-27 | Hewlett-Packard Development Company, L.P. | Display device |
| CN101539669B (en) * | 2008-03-17 | 2012-02-22 | 红蝶科技(深圳)有限公司 | Reflective liquid crystal projecting apparatus |
| CN204422963U (en) * | 2014-12-31 | 2015-06-24 | 深圳珑璟光电技术有限公司 | A kind of structure showing ray machine |
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Effective date of registration: 20220322 Address after: 518000 9 / F, building 6, Shenzhen Shantou Special Cooperation Zone fashion brand industrial park, EBU Town, Shenzhen Shantou Special Cooperation Zone, Guangdong Province Patentee after: Long optoelectronics Co.,Ltd. Address before: 518000 505, unit C1, building 1, Haoyue garden, Minzhi office, Longhua new area, Shenzhen, Guangdong Patentee before: SHENZHEN LOCHN OPTICS TECHNOLOGY Co.,Ltd. |