CN104460209A - Display light machine structure and LCOS display illumination method of display light machine structure - Google Patents

Display light machine structure and LCOS display illumination method of display light machine structure Download PDF

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Publication number
CN104460209A
CN104460209A CN201410851475.1A CN201410851475A CN104460209A CN 104460209 A CN104460209 A CN 104460209A CN 201410851475 A CN201410851475 A CN 201410851475A CN 104460209 A CN104460209 A CN 104460209A
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CN
China
Prior art keywords
light path
conveyer
lcos
display
prism
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Granted
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CN201410851475.1A
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Chinese (zh)
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CN104460209B (en
Inventor
马国斌
汪涛
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Long optoelectronics Co.,Ltd.
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SHENZHEN JIING FAIRY PHOTOELECTRIC TECHNOLOGY Co Ltd
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/142Adjusting of projection optics
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2073Polarisers in the lamp house
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/28Reflectors in projection beam

Abstract

The invention provides a display light machine structure and an LCOS display illumination method of the display light machine structure. The display light machine structure mainly comprises an illumination device, a transmission device, an imaging device, a reflection device and a display device. The display light machine structure is characterized in that the transmission device is located in the middle of a display light machine, four surfaces of the transmission device are connected with the illumination device, the transmission device, the imaging device and the reflection device respectively, function faces of the display device are installed in a one-to-one corresponding mode, and the illumination device, the transmission device and the display device are installed on the same central axis. The reflection device, the transmission device and the imaging device are installed on the same central axis, and the two central axes formed by installation of the devices are vertically intersected. By means of the display light machine structure and the LCOS display illumination method, the problems that the size of the product in an LCOS display device and a matched product is large, and the portability is poor are solved. By means of the display light machine structure and the LCOS display illumination method, multiple design improvements are carried out on the basis of the imaging principle of the LCOS device, the display light machine structure is processed in an optimized mode through multiple optical transmission related principles, obvious technical effects are achieved on processing LCOS images and reducing the size of the LCOS display device, and the application field and the application range of the LCOS display device are further enlarged.

Description

A kind of structure and LCOS display lighting method thereof showing ray machine
Technical field
The invention belongs to a kind of image transmission and display art, particularly relate to the image transmitting structure in LCOS display imaging technique.
Background technology
LCOS technology is a kind of novel reflective microLCD shadow casting technique.Compare with DLP with penetration LCD, LCOS technology has and utilizes the features such as optical efficiency is high, volume is little, aperture opening ratio is high, manufacturing technology is more ripe, and it can realize high resolving power and sufficient color representation easily.The maximum advantage of LCOS technology is that resolution can be very high, and in the application of portable information equipment, this advantage is that other technologies cannot be dressed with it.Shortcoming is that the processing procedure of LCOS accessory module is comparatively loaded down with trivial details, and each production phase yield controls not easily, and cost is difficult to competitive, can only rest on and need in the special-purpose of high-res.The development that the development of current LCOS chip must be easy to whole chip industry has had further raising, but for the design of the imaging optical path required for the imaging of LCOS technology own and image formation prism for the development of whole LCOS industry or one piece of short slab.Therefore, now for the development of current LCOS technical industry, need the supporting industry of more LCOS also will accelerate research.
Summary of the invention
The object of the present invention is to provide a kind of structure and the LCOS display lighting method thereof that show ray machine, it is large at the volume of LCOS display device and auxiliary products that this technology emphasis solves product, the problem of portability difference, this technology has carried out multinomial design improvement on the basis of the image-forming principle of LCOS device, the structure of multiple optical delivery relative theory to this display ray machine is utilized to be optimized process, technical result LCOS image procossing and reduce LCOS display device volume on play clearly technique effect, improve application and the scope of LCOS display device further
The present invention is a kind of structure and the LCOS display lighting method thereof showing ray machine realized like this, the structure of this display ray machine mainly comprises: illumination apparatus, conveyer, imaging device, reflection unit, display device form, it is characterized in that: this this conveyer is positioned at the middle part of display ray machine, 4 surfaces of conveyer respectively with illumination apparatus, conveyer, imaging device, reflection unit, the functional surfaces one_to_one corresponding of display device is installed; Illumination apparatus, conveyer, display device are installed on same axis; Reflection unit, conveyer, imaging device are installed on same axis, and above device is installed two axis formed and mutually intersected vertically.
This illumination apparatus described is rearranged by light source, optical lens group, polarizer order, the installation parallel with the surface of conveyer of this polarizer; This light source is one or more pointolite composition, and optical lens group is made up of one or more optical lens, and this polarizer is a polaroid;
This conveyer described is for having certain optical function prism group composition, by two oblique prisms (oblique prism 301 and oblique prism 302), fit forms this prism group, the parallel placement in face, oblique angle corresponding to oblique prism 301,302 is also bonded to each other, and the angle in the face, oblique angle of two oblique prisms is 45 °; Between the joint place in the face, oblique angle of two slant edge mirrors, be provided with an optical coating, this optical coating is a polarizing coating;
This reflection unit described is rearranged by a quarter wave plate and reflection device order, and conveyer one surface installation parallel with the quarter wave plate of reflection unit, quarter wave plate is positioned at the middle part of reflection device and conveyer, and this reflection device is a reflector plate.
This imaging system described is LCOS image processing ics and imaging circuit composition, the installation parallel with the surface of this conveyer of the surface of emission of LCOS image processing ics.
This display device described is a polarizer, and the surface of this polarizer and this conveyer is non-parallel installation, and shape is at a certain angle.
Described LCOS display lighting method is transmitted, to carry out the target light path required for us respectively for the light path that sent by illumination apparatus after conveyer, imaging device, reflection unit, display apparatus processes.
The step of this LCOS display lighting method is as follows:
A, illumination apparatus provide the first light path, this light path be the light path of being launched by light source after an optical lens group process, processing light path through a polarizer, the light path after process is the first light path;
B, the first light path form the second light path after transfer system; First light path enters into the prism of conveyer, through an optical coating of this prism joint place, and will to be penetrated by this prism surface after the first refraction of light path, and enter emitter, after the first light path enters reflection unit, through this 1/4 plectrum, reversion formation the 3rd light path is carried out to the second light path;
C, the 3rd light path, after the reflectors reflects in reflection unit, enter in the prism of conveyer, and pass an optical coating of this prism joint place, and inject imaging device through this prism; After the LCOS image processor process of this imaging device, again reflect to form the 4th light path.
D, the 4th light path enter into the prism of conveyer again, through an optical coating of prism joint place, and the polarizer of display device will be entered after the 4th refraction of light path, then according to polarisation of light principle, polarization manipulation is carried out to the 4th light path and forms the 5th light path and target light path.
E, the 5th light path are our target light path required after treatment.
Use technique scheme, the LCOS display system of a kind of structure and LCOS method for displaying and imaging thereof that show ray machine provided by the present invention has, structure through gathering, the technical characteristic such as easy to process, imaging effect is good, and can produce on a large scale and process.
Accompanying drawing explanation
Fig. 1 is product frame diagram provided by the invention;
Fig. 2 is the explosive view of product front view provided by the invention;
Fig. 3 is product front view provided by the invention;
Fig. 4 is the explosive view of the attached view of product provided by the invention;
Fig. 5 is light path design sketch of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to shown in Fig. 1-4, the embodiment of the present invention is be a kind of structure and the LCOS display lighting method thereof showing ray machine realized like this, the structure of this display ray machine mainly comprises: illumination apparatus, conveyer, imaging device, reflection unit, display device form, it is characterized in that: this conveyer is positioned at the middle part of display ray machine, 4 surfaces of conveyer are installed with the functional surfaces one_to_one corresponding of illumination apparatus, conveyer, imaging device, reflection unit, display device respectively, illumination apparatus, conveyer, display device is installed on same axis; Reflection unit, conveyer, imaging device are installed on same axis, and above device is installed two axis formed and mutually intersected vertically.
This illumination apparatus described is rearranged by light source 1, optical lens group 2, polarizer 4 order, the parallel installation in surface 3011 of this polarizer 4 and conveyer; This light source 1 is one or more pointolite composition, optical lens group 2 is made up of one or more optical lens, it is an aspheric lens structures that the optical lens group that this technology is applied forms optical lens 202 by two optical lenss, require that obtaining a projection surface is the rectangle shadow relatively amplified in the art at present, therefore in the selection of lens combination, have employed an outside is that the beam splitting lens group of non-spherical lens processes, and can be exaggerated like this and more clear by the image of this lens combination; This polarizer 4 is a polaroid;
This conveyer described forms for having certain optical function prism group 3, by two oblique prisms (oblique prism 301 and oblique prism 302), fit forms this prism group 3, the parallel placement in face, oblique angle corresponding to oblique prism 301,302 is also bonded to each other, and the angle in the face, oblique angle of two oblique prisms is 45 °; Between the joint place in the face, oblique angle of two slant edge mirrors, be provided with an optical coating, this optical coating is a polarizing coating;
This reflection unit described is rearranged by a quarter wave plate 6 and a reflection device 5 order, conveyer one surface and the parallel installation of quarter wave plate 6 of reflection unit, quarter wave plate 6 is positioned at the middle part of reflection device 5 and conveyer prism group 3, and this reflection device 5 is a reflector plate.
This imaging system described is LCOS image processing ics 7 and imaging circuit composition, the installation parallel with the surface of this conveyer of the surface of emission of LCOS image processing ics 7.
Described display device is a polarizer 8, and this polarizer 8 is non-parallel installation with the surface of this conveyer prism group 3, and shape is at a certain angle, and the scope of this angle is (0 ° ~ 20 °); Art methods all adopts the method into parallel placement in the placement of this polarizer, the image surrounding of such realization there will be the halation that contrast center image has notable difference, image display effect is bad, therefore in this technology, non-perpendicular placement is adopted to this polarizer, according to the technological achievement after improvement, for image after transmitting, the sharpness of picture can improve a lot;
Described LCOS display lighting method is transmitted, to carry out the target light path required for us respectively for the light path that sent by illumination apparatus after conveyer, imaging device, reflection unit, display apparatus processes.
The step of this LCOS display lighting method is as follows:
A, illumination apparatus provide the first light path, this light path be the light path of being launched by light source after an optical lens group process, processing light path through a polarizer, the light path after process is the first light path;
B, the first light path form the second light path after transfer system; First light path enters into the prism of conveyer, through an optical coating of this prism joint place, and will to be penetrated by this prism surface after the first refraction of light path, and enter emitter, after the first light path enters reflection unit, through this 1/4 plectrum, reversion formation the 3rd light path is carried out to the second light path;
C, the 3rd light path, after the reflectors reflects in reflection unit, enter in the prism of conveyer, and pass an optical coating of this prism joint place, and inject imaging device through this prism; After the LCOS image processor process of this imaging device, again reflect to form the 4th light path.
D, the 4th light path enter into the prism of conveyer again, through an optical coating of prism joint place, and the polarizer of display device will be entered after the 4th refraction of light path, then according to polarisation of light principle, polarization manipulation is carried out to the 4th light path and forms the 5th light path and target light path.
E, the 5th light path are our target light path required after treatment.
Designed by the present invention a kind of LCOS imaging display system showing the structural design of ray machine is provided, there is the technical characteristics such as compact conformation, imaging effect be good, and can produce on a large scale and process.
The foregoing is only preferred embodiment of the present invention, not in order to limit the invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. one kind shows structure and the LCOS display lighting method thereof of ray machine, the structure of this display ray machine mainly comprises: illumination apparatus, conveyer, imaging device, reflection unit, display device form, it is characterized in that: this conveyer is positioned at the middle part of display ray machine, 4 surfaces of conveyer respectively with illumination apparatus, conveyer, imaging device, reflection unit, the functional surfaces one_to_one corresponding of display device is installed; Illumination apparatus, conveyer, display device are installed on same axis; Reflection unit, conveyer, imaging device are installed on same axis, and above device is installed two axis formed and mutually intersected vertically.
2. a kind of structure and LCOS display lighting method thereof showing ray machine as claimed in claim 1, is characterized in that: this illumination apparatus by light source, optical lens group, polarizer order rearrange, the installation parallel with the surface of conveyer of this polarizer; This light source is one or more pointolite composition, and optical lens group is made up of one or more optical lens, and this polarizer is a polaroid.
3. a kind of structure and LCOS display lighting method thereof showing ray machine as claimed in claim 1, it is characterized in that: this conveyer is for having certain optical function prism group composition, by two oblique prisms (oblique prism 301 and oblique prism 302), fit forms this prism group, the parallel placement in face, oblique angle corresponding to oblique prism 301,302 is also bonded to each other, between the joint place in the face, oblique angle of two slant edge mirrors, be provided with an optical coating, this optical coating is a polarizing coating.
4. a kind of structure and LCOS display lighting method thereof showing ray machine as claimed in claim 1, it is characterized in that: this reflection unit is rearranged by a quarter wave plate and reflection device order, and conveyer one surface installation parallel with the quarter wave plate of reflection unit, quarter wave plate are positioned at the middle part of reflection device and conveyer. this reflection device is a reflector plate.
5. a kind of structure and LCOS display lighting method thereof showing ray machine as claimed in claim 1, it is characterized in that: it is characterized in that: this imaging system is LCOS image processing ics and imaging circuit composition, the installation parallel with the surface of this conveyer of the surface of emission of LCOS image processing ics.
6. a kind of structure and LCOS display lighting method thereof showing ray machine as claimed in claim 1, it is characterized in that: display device is a polarizer, the non-parallel installation in surface of this polarizer and this conveyer, and shape is at a certain angle.
7. a kind of structure and the LCOS display lighting method thereof showing ray machine as described in claim 1 and 6, it is characterized in that: the light path sent by illumination apparatus to be transmitted, to carry out the target light path required for us respectively after conveyer, imaging device, reflection unit, display apparatus processes.
The step of this LCOS display lighting method is as follows:
A, illumination apparatus provide the first light path, this light path be the light path of being launched by light source after an optical lens group process, processing light path through a polarizer, the light path after process is the first light path;
B, the first light path form the second light path after transfer system; First light path enters into the prism of conveyer, through an optical coating of this prism joint place, and will to be penetrated by this prism surface after the first refraction of light path, and enter emitter, after the first light path enters reflection unit, through this 1/4 plectrum, reversion formation the 3rd light path is carried out to the second light path;
C, the 3rd light path, after the reflectors reflects in reflection unit, enter in the prism of conveyer, and pass an optical coating of this prism joint place, and inject imaging device through this prism; After the LCOS image processor process of this imaging device, again reflect to form the 4th light path.
D, the 4th light path enter into the prism of conveyer again, through an optical coating of prism joint place, and the polarizer of display device will be entered after the 4th refraction of light path, then according to polarisation of light principle, polarization manipulation is carried out to the 4th light path and forms the 5th light path and target light path.
E, the 5th light path are our target light path required after treatment.
CN201410851475.1A 2014-12-31 2014-12-31 A kind of structure and its LCOS for showing ray machine shows means of illumination Active CN104460209B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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
CN107300767A (en) * 2016-04-14 2017-10-27 北京亮亮视野科技有限公司 Wear-type visual device
CN107436510A (en) * 2017-09-19 2017-12-05 歌尔科技有限公司 LCOS lighting devices
CN111158143A (en) * 2018-11-08 2020-05-15 舜宇光学(浙江)研究院有限公司 Micro projection light engine for near-eye display device

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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
CN101539669A (en) * 2008-03-17 2009-09-23 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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
CN101539669A (en) * 2008-03-17 2009-09-23 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

Cited By (6)

* Cited by examiner, † Cited by third party
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
CN107300767A (en) * 2016-04-14 2017-10-27 北京亮亮视野科技有限公司 Wear-type visual device
CN107300767B (en) * 2016-04-14 2023-12-15 北京亮亮视野科技有限公司 Head-mounted visual equipment
CN107436510A (en) * 2017-09-19 2017-12-05 歌尔科技有限公司 LCOS lighting devices
CN107436510B (en) * 2017-09-19 2023-12-26 歌尔光学科技有限公司 LCOS lighting device
CN111158143A (en) * 2018-11-08 2020-05-15 舜宇光学(浙江)研究院有限公司 Micro projection light engine for near-eye display device

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