CN107783307A - Spliced optical imaging system - Google Patents
Spliced optical imaging system Download PDFInfo
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- CN107783307A CN107783307A CN201710785595.XA CN201710785595A CN107783307A CN 107783307 A CN107783307 A CN 107783307A CN 201710785595 A CN201710785595 A CN 201710785595A CN 107783307 A CN107783307 A CN 107783307A
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- light path
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- 238000012634 optical imaging Methods 0.000 title claims abstract description 30
- 230000010287 polarization Effects 0.000 claims abstract description 57
- 230000003287 optical effect Effects 0.000 claims abstract description 34
- 238000003384 imaging method Methods 0.000 claims abstract description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 3
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000004313 glare Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 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
- 239000005304 optical glass Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The present invention provides a kind of spliced optical imaging system, and it includes：The first display group (100) with the first micro display chip for being set along the first light path, along the second display group (101) with the second micro display chip of the second light path setting and positioned at first light path and the polarization combined optical module (102) of the second light path infall, first light path and second light path are mutually perpendicular to, the image of first display group (100) display and the image of the second display group (101) display are imaged after the polarization combined optical module (102) in same imaging surface.The spliced optical imaging system can effectively realize that the pictures such as confocal face are seamless spliced, disclosure satisfy that the use demand of more large area array, and splice precision and contrast is higher.
Description
Technical field
The present invention relates to optical technical field, more particularly to a kind of spliced optical imagery applied to Dynamic Star simulator
System.
Background technology
Progressively development and perfect, the supporting detection in ground, the raising of calibration facility technology with aerospace field, dynamic
Star simulator is as the calibration check equipment for being used for analog starry sky image in the kind equipment, and its precision and resolution ratio are also increasingly
Development.
For spliced high resolution optical imaging system as the core display module in Dynamic Star simulator, it splices essence
Degree, resolution ratio and contrast directly determine the performance of Dynamic Star simulator.
Because the production and processing of the micro-display devices such as micro-display field, TFT-LCD, DMD, LCOS limits, existing rank
Section is difficult to produce large area array, high-resolution single panel display, therefore it is impossible to meet star simulator equipment pair instantly
High-resolution, the demand of large area array.In order to meet the demand, spliced optical imaging system arises at the historic moment.
Instantly the spliced optical imaging system of main flow mainly utilizes monolithic PBS prisms (polarization splitting prism) and micro display
Chip is imaged, and is influenceed due to that can produce secondary reflection etc. inside the undesirable property of optical component and single PBS prisms, existing
Though this spliced optical imaging system having is simple in construction, it is easy to optics adjustment, production and processing, can not effectively eliminates spelling
Seam and the interference for avoiding veiling glare, can not meet the requirement of more high-contrast, become urgent problem instantly.
The content of the invention
In view of this, the present invention provides a kind of spliced optical imaging system.
A kind of spliced optical imaging system, it includes：The with the first micro display chip set along the first light path
One display group (100), the second display group (101) with the second micro display chip set along the second light path and positioned at described the
The polarization combined optical module (102) of one light path and the second light path infall, first light path and second light path are mutual
Vertically, the image of the first display group (100) display and the image of the second display group (101) display pass through the polarization
After combined optical module (102) closing light, it is imaged in same imaging surface.
In an of the invention better embodiment, the polarization combined optical module (102) include 45 ° of polarization spectro flat boards (9) and
1/2 wave plate (10), 45 ° of polarization spectro flat boards (9) are arranged at first light path and the second light path infall, and and
First light path and second light path setting at 45 °, 45 ° of polarization spectro flat boards (9) are through P polarization light, reflection S
Polarised light, 1/2 wave plate (10) are vertically arranged along first light path.
In an of the invention better embodiment, the first display group (100) includes the first LED panel component, first high
Resolution ratio micro display chip (3) and the first PBS prisms (4), the first LED panel component and first high-resolution are micro- aobvious
Show that chip (3) is respectively facing two perpendicular sides of the first PBS prisms (4), the first LED panel member parallel
Set in first light path, the first PBS prisms (4) are vertically arranged along first light path.
In a better embodiment of the invention, the first LED panel group is thin including the first LED area light source (1) and first
Film polarizer (2), the first film polarizer (2) are located at first LED area light source (1) and the first PBS prisms (4)
Between, after the first film polarizer (2), the first S-polarization light enters the light beam that first LED area light source (1) sends
The first PBS prisms (4) are mapped to, it is micro- aobvious to first high-resolution by the reflective surface of the first PBS prisms (4)
Show chip (3), after the first high-resolution micro display chip (3) is modulated, the first S-polarization light is converted to the first P
Polarised light is emitted to the polarization combined optical module (102) along first light path from the first PBS prisms (4).
In a better embodiment of the invention, after the first P polarization light enters the polarization combined optical module (102), warp
Cross 1/2 wave plate (10) and be converted to the 3rd S-polarization light, be emitted after being reflected by the polarization spectro flat board (9).
In an of the invention better embodiment, the second display group (101) includes the second LED panel component, second high
Resolution ratio micro display chip (7) and the 2nd PBS prisms (8), the second LED panel component and second high-resolution are micro- aobvious
Show that chip (7) is respectively facing two perpendicular sides of the 2nd PBS prisms (8), the second LED panel member parallel
Set in second light path, the 2nd PBS prisms (8) are vertically arranged along first light path.
In a better embodiment of the invention, the second LED panel group is thin including the second LED area light source (5) and second
Film polarizer (6), second film polarizer (6) are located at second LED area light source (5) and the 2nd PBS prisms (8)
Between, after second film polarizer (6), the second S-polarization light enters the light beam that second LED area light source (5) sends
The 2nd PBS prisms (8) are mapped to, it is micro- aobvious to second high-resolution by the reflective surface of the 2nd PBS prisms (8)
Show chip (7), after the second high-resolution micro display chip (7) is modulated, the second S-polarization light is converted to the 2nd P
Polarised light is emitted to the polarization combined optical module (102) along second light path from the 2nd PBS prisms (8).
In a better embodiment of the invention, after the second P polarization light enters the polarization combined optical module (102), thoroughly
Project 45 ° of polarization spectro flat boards (9).
In a better embodiment of the invention, first micro display chip and second micro display chip show for LCOS
Show chip, DMD display chips, LCD display chips or OLED display chips.
In a better embodiment of the invention, described 1/2 wave plate (10) is formed by quartz and magnesium fluoride gluing.
Compared to prior art, the spliced optical imaging system provided by the invention has advantages below：One, energy
Enough effectively realize that the pictures such as confocal face are seamless spliced, disclosure satisfy that the use demand of more large area array；And splicing precision and contrast
Du Genggao；Secondly, the generation of veiling glare can be suppressed to greatest extent；Thirdly, under conditions of prior art device, i.e., can
Easily facilitate the adjustment work of system.
Brief description of the drawings
Fig. 1 is the light channel structure schematic diagram of spliced optical imaging system provided by the invention；
Fig. 2 is the optical principle schematic diagram of spliced optical imaging system shown in Fig. 1.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the better embodiment of the present invention.The preferred embodiments of the present invention are these are only, not thereby limit the special of the present invention
Sharp scope, every equivalent structure made using description of the invention and accompanying drawing content or equivalent flow conversion, or directly or
Connect and be used in other related technical areas, be included within the scope of the present invention.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more
The arbitrary and all combination of related Listed Items.
Referring to Fig. 1, the present invention provides a kind of spliced optical imaging system, it includes：The tool set along the first light path
There are the first display group 100 of the first micro display chip, the display of second with the second micro display chip set along the second light path
Group 101 and positioned at first light path and the polarization combined optical module 102 of the second light path infall, first light path and institute
State the second light path to be mutually perpendicular to, the image and the image warp of the second display group 101 display that the first display group 100 is shown
After crossing the polarization closing light of combined optical module 102, it is imaged in same imaging surface.
In the present embodiment, the polarization combined optical module 102 includes 45 ° of wave plates 10 of polarization spectro flat board 9 and 1/2, described 45 °
Polarization spectro flat board 9 is arranged at first light path and the second light path infall, and with first light path and described
The setting at 45 ° of two light paths, 45 ° of polarization spectro flat boards 9 are through P polarization light, reflection S-polarization light, the edge of 1/2 wave plate 10
First light path is vertically arranged.
In the present embodiment, 45 ° of polarization spectro flat boards 9 use wiregrating manufacturing technology, 45 ° when placing, and having can be saturating
Cross P polarization light, reflect the characteristic of S-polarization light.
Described light propagation characteristic shifts gears and the overlap joint of each optical element, placement location.
In the present embodiment, the first display group 100 includes the first LED panel component, the first high-resolution micro display core
The PBS prisms 4 of piece 3 and the first, the first LED panel component and the first high-resolution micro display chip 3 are respectively facing institute
Two perpendicular sides of the first PBS prisms 4 are stated, the first LED panel member parallel is set in first light path, institute
The first PBS prisms 4 are stated to be vertically arranged along first light path.The first LED panel group includes the first LED area light source 1 and the
One film polarizer 2, the first film polarizer 2 be located at first LED area light source 1 and the first PBS prisms 4 it
Between.
It is understood that the first film polarizer 2 is in first light path, to the first LED panel group
The light beam sent be polarized with veiling glare Processing for removing, thus can play a part of the polarizer and eliminate veiling glare.
In the present embodiment, the second display group 101 includes the second LED panel component, the second high-resolution micro display core
The PBS prisms 8 of piece 7 and the 2nd, the second LED panel component and the second high-resolution micro display chip 7 are respectively facing institute
Two perpendicular sides of the 2nd PBS prisms 8 are stated, the second LED panel member parallel is set in second light path, institute
The 2nd PBS prisms 8 are stated to be vertically arranged along first light path.The second LED panel group includes the second LED area light source 5 and the
Two film polarizers 6, second film polarizer 6 be located at second LED area light source 5 and the 2nd PBS prisms 8 it
Between.
It is understood that second film polarizer 6 is in second light path, to the second LED panel group
The light beam sent be polarized with veiling glare Processing for removing, thus can play a part of the polarizer and eliminate veiling glare.
In the present embodiment, the material of the first PBS prisms 4 and the 2nd PBS prisms 8 is ZF52 or H-K9L (boards
Number) optical glass, certainly, it is not limited to this, it can also be selected or designed according to actual use demand.
In the present embodiment, the first high-resolution micro display chip 3 and the second high-resolution micro display chip 7,
For LCOS display chips, certainly, it is not limited to this, the first high-resolution micro display chip 3 and second high-resolution
Rate micro display chip 7 can also be LCOS display chips, DMD display chips, LCD display chips or OLED display chips.
Hereinafter, it is described in detail by specific embodiment.
Referring to Fig. 2, described in light beam (there is P polarization light and S-polarization light) process that first LED area light source 1 is sent
After the first film polarizer 2, the first S-polarization light incides the first PBS prisms 4, by the reflection of the first PBS prisms 4
Face reflexes to the first high-resolution micro display chip 3, after the first high-resolution micro display chip 3 modulation, institute
State the first S-polarization light and be converted to the first P polarization light and be emitted to the polarization along first light path from the first PBS prisms 4
Combined optical module 102.After the first P polarization light enters the polarization combined optical module 102, be converted to by 1/2 wave plate 10
3rd S-polarization light, it is emitted after being reflected by the polarization spectro flat board 9.
In the present embodiment, 1/2 wave plate 10 is achromatic waveplate, described for the first P polarization light to be converted to
3rd S-polarization light, specifically, 1/2 wave plate 10 are 1mm flat devices, are formed by quartz and magnesium fluoride gluing.
The light beam (having P polarization light and S-polarization light) that second LED area light source 5 is sent is inclined by second film
Shake after piece 6, the second S-polarization light incides the 2nd PBS prisms 8, by the reflective surface of the 2nd PBS prisms 8 to institute
The second high-resolution micro display chip 7 is stated, after the second high-resolution micro display chip 7 modulation, second S-polarization
Light is converted to the second P polarization light and is emitted to the polarization combined optical module 102 along second light path from the 2nd PBS prisms 8.
After the second P polarization light enters the polarization combined optical module 102, transmit and be emitted from 45 ° of polarization spectro flat boards 9.
The 3rd S-polarization light and the second P polarization light are after 45 ° of polarization spectro flat boards 9 outgoing along same side
Propagated to (the second optical path direction of diagram), due to power element being not present in light path, therefore can by finely tuning fixed mechanism
Enough so that two images realize it is seamless spliced, and present etc. picture aplanatism state.
Especially, because LED equipment, micro display chip contrast have individual difference, two images may go out
Existing different contrast or luminance effects, at this point it is possible to by finely tune rotating clamp in the optical path 1/2 wave plate 10 come strict reality
The requirement of contrast, illumination such as now.It is understood that each light source device in the spliced optical imaging system, such as LED
Area source, micro display chip etc., it can be fixed by fine-tuning mechanism or auxiliary member.Meanwhile in order to meet
Be easy to adjustment, safeguard requirement, single optical element can be changed and adjusted, it is of course also possible to simultaneously to two or
Multiple optical elements are changed and adjusted.
Further, in order that spliced optical imaging system reaches optimum efficiency described in the present embodiment, for difference
The micro display chip of encapsulation, it may be considered that increase field stop on micro display chip face and splicing seaming zone is completely eliminated to reach
Light disturbance.Specifically, can be in the first high-resolution micro display chip 3 and the second high-resolution micro display core
The face side of piece 7 sets field stop respectively.
The spliced optical imaging system provided by the invention utilizes optical principle, can will be micro- compared with the two panels of partial array
Image of the image mosaic of display chip (such as LCOS, DMD, LCD or OLED) into a width compared with large area array.It can be used for all kinds of images
Display system, such as it is applied to the star simulator field of large area array High Resolution.Specifically, using institute provided by the invention
Spliced optical imaging system is stated, enables to two width 4k × 2k image in different resolution to realize that the pictures such as confocal face are seamless spliced, and
Show a width and be completely up to 4k × 4k image in different resolution.
The spliced optical imaging system provided by the invention utilizes PBS prisms, micro-display chip, film polarization
The optical elements such as piece, 1/2 wave plate and 45 ° of polarization spectro flat boards, large area array high accuracy is realized using rational layout and overlap joint
Splicing, be capable of it is minimal reduce veiling glare generation, eliminate splicing physical seams, while provide one kind be easy to it is high-precision
Spend the overlapping mode of adjustment.
Compared to the prior art, the spliced optical imaging system provided by the invention has advantages below：One, energy
Enough effectively realize that the pictures such as confocal face are seamless spliced, disclosure satisfy that the use demand of more large area array；And splicing precision and contrast
Du Genggao；Secondly, the generation of veiling glare can be suppressed to greatest extent；Thirdly, under conditions of prior art device, i.e., can
Easily facilitate the adjustment work of system.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. spliced optical imaging system, it is characterised in that including：There is the first micro display core along what the first light path was set First display group (100) of piece, the second display group (101) with the second micro display chip set along the second light path and it is located at The polarization combined optical module (102) of first light path and the second light path infall, first light path and second light Road is mutually perpendicular to, and the image of the first display group (100) display and the image of the second display group (101) display pass through institute After stating polarization combined optical module (102) closing light, it is imaged in same imaging surface.
- 2. spliced optical imaging system as claimed in claim 1, it is characterised in that polarization combined optical module (102) bag Include 45 ° of polarization spectro flat boards (9) and 1/2 wave plate (10), 45 ° of polarization spectro flat boards (9) be arranged at first light path and The second light path infall, and with first light path and second light path setting at 45 °, 45 ° of polarization spectros Flat board (9) is vertically arranged through P polarization light, reflection S-polarization light, 1/2 wave plate (10) along first light path.
- 3. spliced optical imaging system as claimed in claim 2, it is characterised in that the first display group (100) includes First LED panel component, the first high-resolution micro display chip (3) and the first PBS prisms (4), the first LED panel component Two perpendicular sides of the first PBS prisms (4) are respectively facing with the first high-resolution micro display chip (3), The first LED panel member parallel is set in first light path, and the first PBS prisms (4) are hung down along first light path It is straight to set.
- 4. spliced optical imaging system as claimed in claim 3, it is characterised in that the first LED panel group includes the One LED area light source (1) and the first film polarizer (2), the first film polarizer (2) are located at first LED area light source (1) between the first PBS prisms (4), the light beam that first LED area light source (1) sends is inclined by the first film Shake after piece (2), the first S-polarization light incides the first PBS prisms (4), anti-by the reflecting surface of the first PBS prisms (4) The first high-resolution micro display chip (3) is incident upon, after the first high-resolution micro display chip (3) is modulated, institute State the first S-polarization light be converted to the first P polarization light along first light path from the first PBS prisms (4) be emitted to it is described partially Shake combined optical module (102).
- 5. spliced optical imaging system as claimed in claim 4, it is characterised in that described in the first P polarization light enters After polarizing combined optical module (102), the 3rd S-polarization light is converted to by 1/2 wave plate (10), by the polarization spectro flat board (9) it is emitted after reflecting.
- 6. spliced optical imaging system as claimed in claim 2, it is characterised in that the second display group (101) includes Second LED panel component, the second high-resolution micro display chip (7) and the 2nd PBS prisms (8), the second LED panel component Two perpendicular sides of the 2nd PBS prisms (8) are respectively facing with the second high-resolution micro display chip (7), The second LED panel member parallel is set in second light path, and the 2nd PBS prisms (8) are hung down along first light path It is straight to set.
- 7. spliced optical imaging system as claimed in claim 6, it is characterised in that the second LED panel group includes the Two LED area light sources (5) and the second film polarizer (6), second film polarizer (6) are located at second LED area light source (5) between the 2nd PBS prisms (8), the light beam that second LED area light source (5) sends is inclined by second film Shake after piece (6), the second S-polarization light incides the 2nd PBS prisms (8), anti-by the reflecting surface of the 2nd PBS prisms (8) The second high-resolution micro display chip (7) is incident upon, after the second high-resolution micro display chip (7) is modulated, institute State the second S-polarization light be converted to the second P polarization light along second light path from the 2nd PBS prisms (8) be emitted to it is described partially Shake combined optical module (102).
- 8. spliced optical imaging system as claimed in claim 7, it is characterised in that described in the second P polarization light enters After polarizing combined optical module (102), 45 ° of polarization spectro flat boards (9) are transmitted.
- 9. spliced optical imaging system as claimed in claim 2, it is characterised in that described 1/2 wave plate (10) is by quartz Formed with magnesium fluoride gluing.
- 10. such as claim 1, described spliced optical imaging system, it is characterised in that first micro display chip and institute It is LCOS display chips, DMD display chips, LCD display chips or OLED display chips to state the second micro display chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710785595.XA CN107783307B (en) | 2017-09-04 | 2017-09-04 | Spliced optical imaging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710785595.XA CN107783307B (en) | 2017-09-04 | 2017-09-04 | Spliced optical imaging system |
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| CN107783307A true CN107783307A (en) | 2018-03-09 |
| CN107783307B CN107783307B (en) | 2024-05-17 |
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Cited By (5)
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| CN110658708A (en) * | 2019-09-02 | 2020-01-07 | 上海彩丞全息技术有限公司 | SLMs array splicing method, splicing piece and splicing frame thereof |
| CN110658708B (en) * | 2019-09-02 | 2021-09-07 | 杭州辰景光电科技有限公司 | SLMs array splicing method, splicing piece and splicing frame thereof |
| CN112929521A (en) * | 2021-01-12 | 2021-06-08 | 辽宁省视讯技术研究有限公司 | Ultra-wide video camera system based on multi-area array sensor fusion |
| CN112947010A (en) * | 2021-03-31 | 2021-06-11 | 深圳光韵达光电科技股份有限公司 | Visual field splicing projection device and method based on LCOS chip |
| WO2022205615A1 (en) * | 2021-03-31 | 2022-10-06 | 深圳光韵达光电科技股份有限公司 | Stitching projection device and method based on reflective liquid crystal image modulator |
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