CN207232543U - Spliced optical imaging system - Google Patents

Spliced optical imaging system Download PDF

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Publication number
CN207232543U
CN207232543U CN201721128402.5U CN201721128402U CN207232543U CN 207232543 U CN207232543 U CN 207232543U CN 201721128402 U CN201721128402 U CN 201721128402U CN 207232543 U CN207232543 U CN 207232543U
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China
Prior art keywords
polarization
light
light path
display
imaging system
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CN201721128402.5U
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Chinese (zh)
Inventor
王啸腾
胡加杰
王�华
杨小君
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Xi'an Zhongke Weijing Photon Technology Co ltd
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Xi'an Zhongke Micromach Photon Manufacturing Science And Technology Co Ltd
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Abstract

The utility model provides a kind of spliced optical imaging system, 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 higher.

Description

Spliced optical imaging system
Technical field
It the utility model is related to optical technical field, more particularly to a kind of spliced optics applied to Dynamic Star simulator Imaging 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, 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.
Since 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 comes into being.
Instantly the spliced optical imaging system of mainstream mainly utilizes monolithic PBS prisms (polarization splitting prism) and micro display Chip is imaged, and is influenced 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 structure, easy to optics adjustment, production and processing, spelling can not be effectively eliminated Seam and the interference for avoiding veiling glare, can not meet the requirement of more high contrast, become urgent problem instantly.
Utility model content
In view of this, the utility model 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 one better embodiment of the utility model, the polarization combined optical module (102) includes 45 ° of polarization spectro tablets (9) and 1/2 wave plate (10), 45 ° of polarization spectro tablets (9) are arranged at first light path and second light path intersection Place, and pass through P polarization with first light path and second light path setting at 45 °, 45 ° of polarization spectro tablets (9) Light, reflection S-polarization light, 1/2 wave plate (10) are vertically arranged along first light path.
In one better embodiment of the utility model, the first display group (100) includes the first LED panel component, the One high-resolution micro display chip (3) and the first PBS prisms (4), the first LED panel component and first high-resolution Micro display chip (3) is respectively facing two perpendicular sides of the first PBS prisms (4), the first LED panel component Set parallel to first light path, the first PBS prisms (4) are vertically arranged along first light path.
In one better embodiment of the utility model, the first LED panel group includes the first LED area light source (1) and the One film polarizer (2), the first film polarizer (2) are located at first LED area light source (1) and the first PBS ribs Between mirror (4), the light beam that first LED area light source (1) sends is after the first film polarizer (2), the first S-polarization Light incides the first PBS prisms (4), by the reflective surface of the first PBS prisms (4) to first high-resolution Micro display chip (3), after the first high-resolution micro display chip (3) is modulated, the first S-polarization light is converted to the One P polarization light is emitted to the polarization combined optical module (102) along first light path from the first PBS prisms (4).
In one better embodiment of the utility model, the first P polarization light enters the polarization combined optical module (102) Afterwards, the 3rd S-polarization light is converted to by 1/2 wave plate (10), is emitted after being reflected by the polarization spectro tablet (9).
In one better embodiment of the utility model, the second display group (101) includes the second LED panel component, the Two high-resolution micro display chips (7) and the 2nd PBS prisms (8), the second LED panel component and second high-resolution Micro display chip (7) is respectively facing two perpendicular sides of the 2nd PBS prisms (8), the second LED panel component Set parallel to second light path, the 2nd PBS prisms (8) are vertically arranged along first light path.
In one better embodiment of the utility model, the second LED panel group includes the second LED area light source (5) and the Two film polarizers (6), second film polarizer (6) are located at second LED area light source (5) and the 2nd PBS ribs Between mirror (8), the light beam that second LED area light source (5) sends is after second film polarizer (6), the second S-polarization Light incides the 2nd PBS prisms (8), by the reflective surface of the 2nd PBS prisms (8) to second high-resolution Micro display chip (7), after the second high-resolution micro display chip (7) is modulated, the second S-polarization light is converted to the Two P polarization light are emitted to the polarization combined optical module (102) along second light path from the 2nd PBS prisms (8).
In one better embodiment of the utility model, the second P polarization light enters the polarization combined optical module (102) Afterwards, 45 ° of polarization spectro tablets (9) are transmitted.
In one better embodiment of the utility model, first micro display chip and second micro display chip are LCOS display chips, DMD display chips, LCD display chips or OLED display chips.
In one better embodiment of the utility model, 1/2 wave plate (10) is formed by quartz and magnesium fluoride gluing.
Compared to the prior art, the spliced optical imaging system provided by the utility model has the following advantages:Its First, it is seamless spliced that the pictures such as confocal face can be effectively realized, disclosure satisfy that the use demand of more large area array;And splicing precision and Contrast higher;Secondly, the generation of veiling glare can be suppressed to greatest extent;Thirdly, under conditions of prior art device, i.e., The adjustment work of system can be easily facilitated.
Brief description of the drawings
Fig. 1 is the light channel structure schematic diagram of spliced optical imaging system provided by the utility model;
Fig. 2 is the optical principle schematic diagram of spliced optical imaging system shown in Fig. 1.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.The better embodiment of the utility model is given in attached drawing.These are only the preferred embodiment of the utility model, not because This limitation the utility model the scope of the claims, every equivalent structure made based on the specification and figures of the utility model or Equivalent process transformation, is directly or indirectly used in other related technical areas, is similarly included in the special of the utility model In sharp protection domain.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model The normally understood implication of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag Include the arbitrary and all combination of one or more relevant Listed Items.
Referring to Fig. 1, the utility model provides a kind of spliced optical imaging system, it includes:Set along the first light path The first display group 100 with the first micro display chip, along the second light path set second with the second micro display chip Display group 101 and positioned at first light path and the polarization combined optical module 102 of the second light path infall, first light path It is mutually perpendicular to second light path, the image and the figure of the second display group 101 display that the first display group 100 is shown As after polarization 102 closing light of combined optical module, being imaged in same imaging surface.
In the present embodiment, the polarization combined optical module 102 includes 45 ° of 9 and 1/2 wave plates 10 of polarization spectro tablet, described 45 ° Polarization spectro tablet 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 tablets 9 are through P polarization light, reflection S-polarization light, 1/2 wave plate, 10 edge First light path is vertically arranged.
In the present embodiment, 45 ° of polarization spectro tablets 9 use wiregrating manufacturing technology, 45 ° when placing, and having can be saturating Cross P polarization light, reflect the characteristic of S-polarization light.
The 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 3 and the first PBS prisms 4 of piece, 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 the role 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 7 and the 2nd PBS prisms 8 of piece, 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 the role 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 make choice or design 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, is emitted after being reflected by the polarization spectro tablet 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 tablets 9.
The 3rd S-polarization light and the second P polarization light are after 45 ° of polarization spectro tablets 9 outgoing along same side Propagated to (the second optical path direction of diagram), can by finely tuning fixed mechanism since power element being not present in light path Enough so that two images realize it is seamless spliced, and present etc. picture aplanatism state.
Especially, since 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 stringent 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., can be fixed by fine-tuning mechanism or auxiliary member.Meanwhile in order to meet Easy to adjustment, safeguard requirement, single optical element can be replaced and adjusted, it is of course also possible at the same time to two or Multiple optical elements are replaced and adjusted.
Further, in order to make spliced optical imaging system described in the present embodiment reach optimum efficiency, 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 utility model utilizes optical principle, can be by compared with the two of partial array Image of the image mosaic of piece micro 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 Image display system, is such as applied to the star simulator field of large area array High Resolution.Specifically, using the utility model The spliced optical imaging system provided, enables to two width 4k × 2k image in different resolution to realize that the pictures such as confocal face are seamless Splicing, and show a width and be completely up to 4k × 4k image in different resolution.
The spliced optical imaging system provided by the utility model is inclined using PBS prisms, micro-display chip, film Shake the optical elements such as piece, 1/2 wave plate and 45 ° of polarization spectro tablets, and it is high-precision to realize large area array using rational layout and overlap joint The splicing of degree, is capable of the generation of minimal reduction veiling glare, eliminates splicing physical seams, while provides a kind of easy to high The overlapping mode of precision adjustment.
Compared to the prior art, the spliced optical imaging system provided by the utility model has the following advantages:Its First, it is seamless spliced that the pictures such as confocal face can be effectively realized, disclosure satisfy that the use demand of more large area array;And splicing precision and Contrast higher;Secondly, the generation of veiling glare can be suppressed to greatest extent;Thirdly, under conditions of prior art device, i.e., The adjustment work of system can be easily facilitated.
Embodiment described above only expresses the several embodiments of the utility model, its description is more specific and detailed, But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this area For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

  1. 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. 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 tablets (9) and 1/2 wave plate (10), 45 ° of polarization spectro tablets (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 Tablet (9) is vertically arranged through P polarization light, reflection S-polarization light, 1/2 wave plate (10) along first light path.
  3. 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. 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. 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), is put down by 45 ° of polarization spectros It is emitted after plate (9) reflection.
  6. 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. 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. 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 tablets (9) are transmitted.
  9. 9. spliced optical imaging system as claimed in claim 2, it is characterised in that 1/2 wave plate (10) is by quartz Formed with magnesium fluoride gluing.
  10. 10. such as claim 1, the 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.
CN201721128402.5U 2017-09-04 2017-09-04 Spliced optical imaging system Active CN207232543U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107783307A (en) * 2017-09-04 2018-03-09 西安中科微精光子制造科技有限公司 Spliced optical imaging system
CN114002899A (en) * 2021-10-14 2022-02-01 河南中光学集团有限公司 LCOS projection optical structure
CN107783307B (en) * 2017-09-04 2024-05-17 西安中科微精光子科技股份有限公司 Spliced optical imaging system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107783307A (en) * 2017-09-04 2018-03-09 西安中科微精光子制造科技有限公司 Spliced optical imaging system
CN107783307B (en) * 2017-09-04 2024-05-17 西安中科微精光子科技股份有限公司 Spliced optical imaging system
CN114002899A (en) * 2021-10-14 2022-02-01 河南中光学集团有限公司 LCOS projection optical structure

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GR01 Patent grant
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EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Assignee: Zhongke Fine (Beijing) Photon Technology Co.,Ltd.

Assignor: XI'AN MICROMACH TECHNOLOGY Co.,Ltd.

Contract record no.: 2019610000007

Denomination of utility model: Spliced optical imaging system

Granted publication date: 20180413

License type: Common License

Record date: 20190416

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 710119 No. 3300, wei26th Road, high tech Zone, Xi'an, Shaanxi Province

Patentee after: Xi'an Zhongke Weijing Photon Technology Co.,Ltd.

Address before: 710119 Room 201, Building 11, 60 West Avenue, Xi'an High-tech Zone, Shaanxi Province

Patentee before: XI'AN MICROMACH TECHNOLOGY Co.,Ltd.