CN108152985B - Optical imaging system and target simulation system - Google Patents
Optical imaging system and target simulation system Download PDFInfo
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- CN108152985B CN108152985B CN201611100218.XA CN201611100218A CN108152985B CN 108152985 B CN108152985 B CN 108152985B CN 201611100218 A CN201611100218 A CN 201611100218A CN 108152985 B CN108152985 B CN 108152985B
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- 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
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Abstract
The invention is suitable for the technical field of optics, has provided a kind of optical imaging system and goal simulation system, the said system includes: the polarization light splitting device is formed by gluing a pair of right-angle prisms, and the bonding part of the right-angle prisms forms a light splitting surface; the micro display module is formed by splicing two identical micro displays; the first polarized light source module and the second polarized light source module are respectively arranged at 2 adjacent equivalent focal planes of the polarization beam splitter, wherein P light of the first polarized light source module vertically enters the polarization beam splitter and completely passes through the beam splitting plane, S light of the second polarized light source module vertically enters the polarization beam splitter and is reflected at the beam splitting plane at an angle of 45 degrees, the emitting direction of the S light is the same as that of the P light, and the P light and the S light finally generate images on the micro display module. According to the invention, through an optical splicing technology, the resolution of the optical imaging system is improved, and meanwhile, the volume and the weight of the optical imaging system are reduced.
Description
Technical Field
The invention belongs to the technical field of optics, and particularly relates to an optical imaging system and a target simulation system.
Background
At present, with the continuous improvement of an optical imaging system, the requirements on a dynamic target simulation module are higher and higher, the requirements on high resolution, small pixels and large display area are more and more obvious, however, the most common resolution at present is as follows: 1920X1080, because of the camera lens optics visual field is circular, so available resolution ratio can only be 1080 pixels, and current resolution ratio has influenced optical system wholeness can promote, and simultaneously, domestic miniature display device who uses all is imported abroad mostly, and general effective display area's length-width ratio is 16: the rectangular shape of 9 has a small usable area because the optical field of view is circular. Therefore, the existing method for improving the resolution of the dynamic target simulation module is to splice a Liquid Crystal On Silicon (LCOS) device serving as an imaging device, and the method adopts two driving main boards to respectively control two LCOS, and has the following main disadvantages: firstly, the proposal adopts a light source system, and because the P light and the S light have slight difference, the difference can not be reduced by changing the parameters of the light source; secondly, the contrast of the target module spliced by the scheme is poor.
In summary, the prior art has the problems of low image resolution, small display area, chromatic aberration, large volume and low reliability.
Disclosure of Invention
The embodiment of the invention provides an optical imaging system and a target simulation system, and aims to solve the problems of low image resolution, small display area, chromatic aberration, large volume and low reliability in the prior art.
In one aspect, an optical imaging system is provided, the system comprising: the device comprises a polarization light splitting device, a miniature display module, a first polarized light source module and a second polarized light source module; the polarization light splitting device is formed by gluing a pair of right-angle prisms, and the bonding positions of the right-angle prisms form light splitting surfaces; the micro display module is formed by splicing two identical micro displays; the first polarized light source module and the second polarized light source module are respectively arranged at 2 adjacent equivalent focal planes of the polarization beam splitter, wherein the P light of the first polarized light source module vertically enters the polarization beam splitter and completely passes through the beam splitting plane, the S light of the second polarized light source module vertically enters the polarization beam splitter and is reflected at the beam splitting plane at an angle of 45 degrees, the emergent direction of the S light is the same as that of the P light, and the P light and the S light finally generate images in the micro display module.
Further, the first polarized light source module sequentially includes in the optical path direction: the backlight module comprises a first LED backlight source, a first polaroid, a first liquid crystal light valve and a second polaroid, wherein the polarization directions of the first polaroid and the second polaroid form an included angle of 90 degrees with each other.
Further, the second polarized light source module sequentially includes in the optical path direction: the backlight module comprises a second LED backlight source, a third polaroid, a second liquid crystal light valve and a fourth polaroid, wherein the polarization directions of the third polaroid and the fourth polaroid form an included angle of 90 degrees with each other.
Further, the hypotenuse of any right-angle prism in the pair of right-angle prisms is plated with a polarization splitting prism.
Further, the two same micro-displays are subjected to short-edge splicing by taking a preset pixel value as a coincident pixel.
Further, the microdisplay includes a Liquid Crystal Display (LCD), a Liquid Crystal On Silicon (LCOS), and a Digital Micromirror Device (DMD).
Further, the preset pixel value is 3.
Further, the resolution of the miniature display module is 1920X 2157.
In another aspect, a target simulation system is provided, the system comprising: the dual-channel control board is electrically connected with the optical imaging system and is used for directly driving the micro display module of the optical imaging system.
The embodiment of the application has the following advantages:
by the optical splicing technology, the resolution of the optical imaging system is improved, the size of the optical imaging system is reduced, and the weight is reduced; by adopting a double-light-source illumination scheme, the existence of chromatic aberration can be reduced by respectively changing the parameters of the light sources; and the two micro-displays are driven by one driving main board, so that the consistency of the contrast and the brightness uniformity of the two micro-displays is ensured.
Drawings
Fig. 1 is a block diagram of a specific structure of an optical imaging system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of two micro-displays being tiled and overlapped according to a second embodiment of the present invention;
fig. 3a and 3b are schematic diagrams of image plane coordinates of two micro-displays according to a third embodiment of the present invention.
In the figure: 1-a second polarizer; 2-a first polarizer; 3-a first LED backlight; 4-a first liquid crystal light valve; 5-a polarization beam splitting device; 6-a miniature display module; 7-pixel overlap region; 8-a fourth polarizer; 9-a third polarizer; 10-a second liquid crystal light valve; 11-second LED backlight.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description of the implementation of the present invention is made with reference to specific embodiments:
example one
Fig. 1 shows a specific structural block diagram of an optical imaging system provided in an embodiment of the present invention, and for convenience of explanation, only the parts related to the embodiment of the present invention are shown. In the present embodiment, the optical imaging system includes: the device comprises a polarization beam splitter 5, a micro display module 6, a first polarized light source module and a second polarized light source module; the polarization light splitting device 5 is formed by gluing a pair of right-angle prisms, and the bonding positions of the right-angle prisms form light splitting surfaces; the micro display module 6 is formed by splicing two identical micro displays; the first polarized light source module and the second polarized light source module are respectively arranged at 2 adjacent equivalent focal planes of the polarization beam splitter 5, wherein P light of the first polarized light source module vertically enters the polarization beam splitter 5 and completely passes through the beam splitting plane, S light of the second polarized light source module vertically enters the polarization beam splitter 5 and is reflected at the beam splitting plane at an angle of 45 degrees, the emitting direction of the S light is the same as that of the P light, and the P light and the S light finally generate images in the micro display module 6.
Further, the first polarized light source module sequentially includes in the optical path direction: the backlight module comprises a first LED backlight source 3, a first polaroid 2, a first liquid crystal light valve 4 and a second polaroid 1, wherein the polarization directions of the first polaroid 2 and the second polaroid 1 form an included angle of 90 degrees with each other.
Further, the second polarized light source module sequentially includes in the optical path direction: a second LED backlight 11, a third polarizer 9, a second liquid crystal light valve 10, and a fourth polarizer 8, wherein the polarization directions of the third polarizer 9 and the fourth polarizer 8 form an angle of 90 ° with each other.
In fig. 1, optical path 1: the first LED backlight 3 emits uniform light, which first passes through the first polarizer 2 to generate linearly polarized light, and the linearly polarized light is irradiated to the back surface of the first liquid crystal light valve 4 to provide a light source for the first liquid crystal light valve 4, and the light transmitted from the first liquid crystal light valve 4 passes through the second polarizer 1 and is transmitted on the splitting surface of the polarization beam splitter 5, and since the splitting surface of the polarization beam splitter 5 has a characteristic of transmitting P light and reflecting S light, the P light is transmitted from the splitting surface to the micro display module 6 to generate an image.
Light path 2: in the same way, the second LED backlight 11 emits uniform light, which first passes through the third polarizer 9, then transmits through the second liquid crystal light valve 10, and finally passes through the fourth polarizer 8 forming an included angle of 90 ° with the third polarizer 9 to generate polarized light S, where the S light is transmitted on the splitting surface of the polarization beam splitter 5, and since the splitting surface of the polarization beam splitter 5 has the characteristic of transmitting P light and reflecting S light, the S light is reflected from the splitting surface to the micro display module 6 to generate an image.
Further, the hypotenuse of any right-angle prism in the pair of right-angle prisms is plated with a polarization splitting prism.
Further, the two same micro-displays are subjected to short-edge splicing by taking a preset pixel value as a coincident pixel. The stitching-formed pixel overlap region 7 is shown in fig. 1.
Further, the microdisplay includes a Liquid Crystal Display (LCD), a Liquid Crystal On Silicon (LCOS), and a Digital Micromirror Device (DMD).
Further, the preset pixel value is 3.
Further, the resolution of the miniature display module 6 is 1920X 2157.
According to the embodiment, the resolution of the optical imaging system is improved through an optical splicing technology, meanwhile, the volume of the optical imaging system is reduced, and the weight is reduced; by adopting the double-light-source illumination scheme, the existence of chromatic aberration can be reduced by respectively changing the parameters of the light sources.
Example two
The target simulation system provided by the second embodiment of the invention comprises: the dual-channel control board is electrically connected with the optical imaging system and is used for directly driving the micro display module of the optical imaging system.
In the embodiment, one driving main board is adopted to drive the two micro-displays, so that the consistency of the contrast and the brightness uniformity of the two micro-displays is ensured.
EXAMPLE III
The implementation flow of the splicing method of the micro-display provided by the third embodiment of the invention is detailed as follows:
as shown in fig. 1 and 2, the second liquid crystal light valve 10 is mounted on an optical platform, and a six-dimensional precision turntable is used to adjust the position of the first liquid crystal light valve 4, so that the pixels to be overlapped are completely overlapped, and the requirement of splicing precision is met. And the second liquid crystal light valve 10 is used as a reference during fine adjustment, the other first liquid crystal light valve 4 is subjected to fine adjustment relative to the second liquid crystal light valve 10, and the used equipment comprises a six-dimensional precision moving platform, a two-dimensional moving platform, a collimator and a theodolite. Splice (1080 direction) wherein have 3 pixels as coincidence precision with the minor face, so effective luminous area is: 16.32mm × 18.33mm (corresponding to 1920 × 2157 pixels), the effective pixels of the overlapped part are: 1920 × 3 pixels.
Fig. 3a and 3b show that two different coordinate systems are first established in the process of pixel registration, and the two coordinate systems represent two pieces of microdisplay, and the registration method is divided into three steps: firstly, point superposition and pixel superposition are realized, secondly, line superposition and pixel superposition are realized, and finally, surface superposition is realized, so that the precision of a superposition area is ensured. First, one pixel in the display area (960.3) and one pixel on the first liquid crystal light valve 4 are lit on the second liquid crystal light valve 10 with reference to the second liquid crystal light valve 10 (960.1080). Then the first liquid crystal light valve 4 is moved through a precise six-dimensional moving platform, so that a pixel (960.1080) on the first liquid crystal light valve 4 at the same position is overlapped with a pixel (960.3) on the second liquid crystal light valve 10, then the straight line of the pixel where (960.3) is located is adjusted to be overlapped with the straight line where (960.1077) is located, the requirement of line overlapping is met, and the purposes of overlapping points, overlapping lines and overlapping planes are achieved.
It should be noted that, in the above device embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be achieved; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, controller, or computer program product. Accordingly, embodiments of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create a controller for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The optical imaging system and the target simulation system provided by the present application are introduced in detail above, and specific examples are applied in the present application to explain the principle and the implementation of the present application, and the description of the above embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (6)
1. An optical imaging system, characterized in that the system comprises:
the device comprises a polarization light splitting device, a miniature display module, a first polarized light source module and a second polarized light source module; the polarization light splitting device is formed by gluing a pair of right-angle prisms, and the bonding positions of the right-angle prisms form light splitting surfaces;
the micro display module is formed by splicing two identical micro displays;
the first polarized light source module and the second polarized light source module are respectively arranged at 2 adjacent equivalent focal planes of the polarization beam splitter, wherein P light of the first polarized light source module vertically enters the polarization beam splitter and completely passes through the beam splitting plane, S light of the second polarized light source module vertically enters the polarization beam splitter and is reflected at the beam splitting plane at an angle of 45 degrees, the emergent direction of the S light is the same as that of the P light, and the P light and the S light finally generate images in the micro display module;
the two same micro-displays are spliced by using a preset pixel value as a coincident pixel to form a pixel overlapping area;
the first polarized light source module sequentially comprises in the direction of the light path:
the backlight module comprises a first LED backlight source, a first polaroid, a first liquid crystal light valve and a second polaroid, wherein the polarization directions of the first polaroid and the second polaroid form an included angle of 90 degrees with each other;
the second polarized light source module sequentially comprises in the direction of the light path:
the backlight module comprises a second LED backlight source, a third polaroid, a second liquid crystal light valve and a fourth polaroid, wherein the polarization directions of the third polaroid and the fourth polaroid form an included angle of 90 degrees;
the first polarized light source module and the second polarized light source module provide dual-light source illumination for the optical imaging system, and chromatic aberration can be reduced by changing parameters of the first polarized light source module and the second polarized light source module.
2. The optical imaging system of claim 1, wherein a hypotenuse of any one of the pair of right angle prisms is coated with a polarizing beam splitter prism.
3. The optical imaging system of claim 1, wherein the microdisplay comprises a Liquid Crystal Display (LCD), a Liquid Crystal On Silicon (LCOS), and a Digital Micromirror Device (DMD).
4. The optical imaging system of claim 1, wherein the preset pixel value is 3.
5. The optical imaging system of claim 4, wherein the resolution of the microdisplay module is 1920x 2157.
6. A target simulation system, the system comprising: a dual channel control board and the optical imaging system of any of claims 1-5, the dual channel control board being electrically connected to the optical imaging system for directly driving a microdisplay module of the optical imaging system.
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| CN201611100218.XA CN108152985B (en) | 2016-12-02 | 2016-12-02 | Optical imaging system and target simulation system |
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| CN201611100218.XA CN108152985B (en) | 2016-12-02 | 2016-12-02 | Optical imaging system and target simulation system |
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| CN110239085B (en) * | 2019-05-09 | 2021-07-23 | 上海天马微电子有限公司 | Three-dimensional printing device |
| CN113971938B (en) * | 2021-12-22 | 2022-04-05 | 北京灵犀微光科技有限公司 | Partitioned lighting method, device, equipment and computer storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207672A (en) * | 2011-06-10 | 2011-10-05 | 天津爱安特科技股份有限公司 | Device for carrying out liquid crystal display (LCD) monochrome image mosaic by prism |
| CN102496356A (en) * | 2011-12-01 | 2012-06-13 | 广东威创视讯科技股份有限公司 | Method and apparatus for eliminating seam between spliced display screens |
| WO2012075815A1 (en) * | 2010-12-09 | 2012-06-14 | Liu Wuqiang | Stereoscopic imaging device |
| CN104457785A (en) * | 2014-07-30 | 2015-03-25 | 长春理工大学 | Dynamic LCOS (liquid crystal on silicon) spliced-type star simulator and ground calibrating device of star sensor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012075815A1 (en) * | 2010-12-09 | 2012-06-14 | Liu Wuqiang | Stereoscopic imaging device |
| CN102207672A (en) * | 2011-06-10 | 2011-10-05 | 天津爱安特科技股份有限公司 | Device for carrying out liquid crystal display (LCD) monochrome image mosaic by prism |
| CN102496356A (en) * | 2011-12-01 | 2012-06-13 | 广东威创视讯科技股份有限公司 | Method and apparatus for eliminating seam between spliced display screens |
| CN104457785A (en) * | 2014-07-30 | 2015-03-25 | 长春理工大学 | Dynamic LCOS (liquid crystal on silicon) spliced-type star simulator and ground calibrating device of star sensor |
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