CN110208954A - Double vision 3D display device and method based on microlens array and polarization grating - Google Patents
Double vision 3D display device and method based on microlens array and polarization grating Download PDFInfo
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- CN110208954A CN110208954A CN201910442383.0A CN201910442383A CN110208954A CN 110208954 A CN110208954 A CN 110208954A CN 201910442383 A CN201910442383 A CN 201910442383A CN 110208954 A CN110208954 A CN 110208954A
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- image primitive
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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Abstract
The invention discloses the double vision 3D display device and methods based on microlens array and polarization grating, including display screen, polarization grating, pinhole array, microlens array, polarising glass 1 and polarising glass 2；Polarization grating is bonded with display screen, and pinhole array is bonded with microlens array；Display screen, polarization grating, pinhole array, microlens array are placed in parallel and correspond to alignment；Image primitive 1 reconstructs multiple 3D renderings 1 by corresponding multiple lenticules, and is merged into a high-resolution 3D rendering 1 in viewing areas, and can only see by polarising glass 1；Image primitive 2 reconstructs multiple 3D renderings 2 by corresponding multiple lenticules, and is merged into a high-resolution 3D rendering 2 in viewing areas, and can only see by polarising glass 2.
Description
Technical field
The present invention relates to 3D displays, it is more particularly related to the double vision based on microlens array and polarization grating
3D display device and method.
Background technique
Integration imaging double vision 3D display is the fusion of double vision display technology and integration imaging 3D display technology.It can make
Viewer sees different 3D pictures on different view directions.But there are 3D for existing integration imaging double vision 3D display
The bottleneck problem of lack of resolution has seriously affected the experience of viewer.
Summary of the invention
The invention proposes the double vision 3D display devices based on microlens array and polarization grating, such as 2 institute of attached drawing 1 and attached drawing
Show, which is characterized in that including display screen, polarization grating, pinhole array, microlens array, polarising glass 1 and polarising glass 2；Partially
Vibration grating is bonded with display screen, and pinhole array is bonded with microlens array；Display screen, polarization grating, pinhole array, lenticule battle array
Column are placed in parallel and correspond to alignment；Display screen is for showing micro- pattern matrix, and micro- pattern matrix is by image primitive 1 and 2 groups of image primitive
At as shown in Fig. 3；Polarization grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2, polarization unit 1 and polarization unit
2 polarization direction is orthogonal, as shown in Fig. 4；The polarization direction of polarising glass 1 is identical as polarization unit 1, polarising glass 2 it is inclined
Vibration direction is identical as polarization unit 2；Image primitive 1 is corresponding with polarization unit 1 to be aligned, and image primitive 2 is corresponding with polarization unit 2 to be aligned；
Image primitive 1 reconstructs multiple 3D renderings 1 by corresponding multiple lenticules, and is merged into a high-resolution in viewing areas
3D rendering 1, and can only be seen by polarising glass 1；Image primitive 2 reconstructs multiple 3D renderings by corresponding multiple lenticules
2, and it is merged into a high-resolution 3D rendering 2 in viewing areas, and can only see by polarising glass 2.
Preferably, the pitch of pin hole, the pitch of polarization unit 1, the pitch of polarization unit 2, the pitch of image primitive 1, image
The pitch of member 2 is all the same.
Preferably, the pitch of image primitive 1 and image primitive 2 is the multiple of the pitch of lenticule, the horizontal aperture of pin hole
It is the multiple of the pitch of lenticule, the vertical aperture width of pin hole is the multiple of the pitch of lenticule.
Preferably, the center of image primitive 1 with the center of corresponding pin hole is corresponding is aligned, the center of image primitive 2 with it is corresponding
The corresponding alignment in the center of pin hole.
Preferably, display location is in the focal plane of microlens array.
Preferably, the resolution ratio of 3D rendering 1R 1With the resolution ratio of 3D rendering 2R 2Respectively
(1)
(2)
Wherein,pIt is the pitch of lenticule,mIt is the number of image primitive in horizontal direction in micro- pattern matrix,nIt is micro- pattern matrix
The number of image primitive in middle vertical direction,wIt is the horizontal aperture of pin hole,vIt is the vertical aperture width of pin hole.
Double vision 3D display method based on microlens array and polarization grating characterized by comprising
Micro- pattern matrix is made of image primitive 1 and image primitive 2；
Polarization grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2；
Image primitive 1 is corresponding with polarization unit 1 to be aligned, and image primitive 2 is corresponding with polarization unit 2 to be aligned；
The pitch of image primitive 1 and image primitive 2 is the multiple of the pitch of lenticule, and the horizontal aperture of pin hole is the section of lenticule
Away from multiple, the vertical aperture width of pin hole is the multiple of the pitch of lenticule；
The center of image primitive 1 with the center of corresponding pin hole is corresponding is aligned, the center of image primitive 2 with the center pair of corresponding pin hole
It should be aligned；
Pinhole array is used to limit the number for the lenticule for participating in imaging；
Image primitive 1 reconstructs multiple 3D renderings 1 by corresponding multiple lenticules, and is merged into a high score in viewing areas
Resolution 3D rendering 1, and can only be seen by polarising glass 1；
Image primitive 2 reconstructs multiple 3D renderings 2 by corresponding multiple lenticules, and is merged into a high score in viewing areas
Resolution 3D rendering 2, and can only be seen by polarising glass 2.
Detailed description of the invention
Attached drawing 1 is structure and parameter schematic diagram of the invention
Attached drawing 2 is structure and parameter schematic diagram of the invention
Attached drawing 3 is the structural schematic diagram of micro- pattern matrix of the invention
Attached drawing 4 is the structural schematic diagram of polarization grating of the invention
Shown by reference numeral in above-mentioned attached drawing are as follows:
1. display screen, 2. polarization gratings, 3. pinhole array, 4. microlens arrays, 5. polarising glass, 1,6. polarising glass
2,7. image primitive, 1,8. image primitive, 2,9. polarization unit, 1,10. polarization unit 2.
It should be understood that above-mentioned attached drawing is only schematical, it is not drawn to draw.
Specific embodiment
The following detailed description of the double vision 3D display device and method of the invention based on microlens array and polarization grating
One exemplary embodiments, is further described specifically the present invention.It is necessarily pointed out that following embodiment is only used
It is described further in the present invention, should not be understood as limiting the scope of the invention, field person skilled in the art's root
Some nonessential modifications and adaptations are made to the present invention according to aforementioned present invention content, still fall within protection scope of the present invention.
The invention proposes the double vision 3D display devices based on microlens array and polarization grating, such as 2 institute of attached drawing 1 and attached drawing
Show, which is characterized in that including display screen, polarization grating, pinhole array, microlens array, polarising glass 1 and polarising glass 2；Partially
Vibration grating is bonded with display screen, and pinhole array is bonded with microlens array；Display screen, polarization grating, pinhole array, lenticule battle array
Column are placed in parallel and correspond to alignment；Display screen is for showing micro- pattern matrix, and micro- pattern matrix is by image primitive 1 and 2 groups of image primitive
At as shown in Fig. 3；Polarization grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2, polarization unit 1 and polarization unit
2 polarization direction is orthogonal, as shown in Fig. 4；The polarization direction of polarising glass 1 is identical as polarization unit 1, polarising glass 2 it is inclined
Vibration direction is identical as polarization unit 2；Image primitive 1 is corresponding with polarization unit 1 to be aligned, and image primitive 2 is corresponding with polarization unit 2 to be aligned；
Image primitive 1 reconstructs multiple 3D renderings 1 by corresponding multiple lenticules, and is merged into a high-resolution in viewing areas
3D rendering 1, and can only be seen by polarising glass 1；Image primitive 2 reconstructs multiple 3D renderings by corresponding multiple lenticules
2, and it is merged into a high-resolution 3D rendering 2 in viewing areas, and can only see by polarising glass 2.
Preferably, the pitch of pin hole, the pitch of polarization unit 1, the pitch of polarization unit 2, the pitch of image primitive 1, image
The pitch of member 2 is all the same.
Preferably, the pitch of image primitive 1 and image primitive 2 is the multiple of the pitch of lenticule, the horizontal aperture of pin hole
It is the multiple of the pitch of lenticule, the vertical aperture width of pin hole is the multiple of the pitch of lenticule.
Preferably, the center of image primitive 1 with the center of corresponding pin hole is corresponding is aligned, the center of image primitive 2 with it is corresponding
The corresponding alignment in the center of pin hole.
Preferably, display location is in the focal plane of microlens array.
Preferably, the resolution ratio of 3D rendering 1R 1With the resolution ratio of 3D rendering 2R 2Respectively
(1)
(2)
Wherein,pIt is the pitch of lenticule,mIt is the number of image primitive in horizontal direction in micro- pattern matrix,nIt is micro- pattern matrix
The number of image primitive in middle vertical direction,wIt is the horizontal aperture of pin hole,vIt is the vertical aperture width of pin hole.
Double vision 3D display method based on microlens array and polarization grating characterized by comprising
Micro- pattern matrix is made of image primitive 1 and image primitive 2；
Polarization grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2；
Image primitive 1 is corresponding with polarization unit 1 to be aligned, and image primitive 2 is corresponding with polarization unit 2 to be aligned；
The pitch of image primitive 1 and image primitive 2 is the multiple of the pitch of lenticule, and the horizontal aperture of pin hole is the section of lenticule
Away from multiple, the vertical aperture width of pin hole is the multiple of the pitch of lenticule；
The center of image primitive 1 with the center of corresponding pin hole is corresponding is aligned, the center of image primitive 2 with the center pair of corresponding pin hole
It should be aligned；
Pinhole array is used to limit the number for the lenticule for participating in imaging；
Image primitive 1 reconstructs multiple 3D renderings 1 by corresponding multiple lenticules, and is merged into a high score in viewing areas
Resolution 3D rendering 1, and can only be seen by polarising glass 1；
Image primitive 2 reconstructs multiple 3D renderings 2 by corresponding multiple lenticules, and is merged into a high score in viewing areas
Resolution 3D rendering 2, and can only be seen by polarising glass 2.
The number of image primitive is 10 in horizontal direction in micro- pattern matrix, image primitive in vertical direction in micro- pattern matrix
Number is 10, and the pitch of polarization unit 1 is 20mm, and the horizontal aperture of pin hole is 2mm, and the vertical aperture width of pin hole is
4mm, the pitch of lenticule are 0.5mm, then the resolution ratio of 3D rendering 1 are calculated as 20 × 40,3D figure by formula (1) and formula (2)
As 2 resolution ratio is 20 × 40；In traditional integration imaging double vision 3D display based on above-mentioned parameter, 3D rendering 1 and 3D rendering 2
Resolution ratio is 5 × 5.
Claims (7)
1. the double vision 3D display device based on microlens array and polarization grating, which is characterized in that including display screen, including display
Screen, polarization grating, pinhole array, microlens array, polarising glass 1 and polarising glass 2；Polarization grating is bonded with display screen, needle
Hole array is bonded with microlens array；Display screen, polarization grating, pinhole array, microlens array are placed in parallel and correspond to alignment；
Display screen is for showing that micro- pattern matrix, micro- pattern matrix are made of image primitive 1 and image primitive 2；Polarization grating is by polarization unit 1
It is alternately arranged composition with polarization unit 2, polarization unit 1 is orthogonal with the polarization direction of polarization unit 2；The polarization side of polarising glass 1
To identical as polarization unit 1, the polarization direction of polarising glass 2 is identical as polarization unit 2；Image primitive 1 and 1 pair of polarization unit reply
Together, image primitive 2 is corresponding with polarization unit 2 is aligned；Image primitive 1 reconstructs multiple 3D renderings 1 by corresponding multiple lenticules,
And it is merged into a high-resolution 3D rendering 1 in viewing areas, and can only see by polarising glass 1；Image primitive 2 by pair
The multiple lenticules answered reconstruct multiple 3D renderings 2, and are merged into a high-resolution 3D rendering 2 in viewing areas, and can only
Seen by polarising glass 2.
2. the double vision 3D display device according to claim 1 based on microlens array and polarization grating, which is characterized in that
The pitch of pin hole, the pitch of polarization unit 1, the pitch of polarization unit 2, the pitch of image primitive 1, the pitch of image primitive 2 are all the same.
3. the double vision 3D display device according to claim 1 based on microlens array and polarization grating, which is characterized in that
The pitch of image primitive 1 and image primitive 2 is the multiple of the pitch of lenticule, and the horizontal aperture of pin hole is the pitch of lenticule
Multiple, the vertical aperture width of pin hole are the multiples of the pitch of lenticule.
4. the double vision 3D display device according to claim 1 based on microlens array and polarization grating, which is characterized in that
The center of image primitive 1 with the center of corresponding pin hole is corresponding is aligned, the center of image primitive 2 is with the center of corresponding pin hole to reply
Together.
5. the double vision 3D display device according to claim 1 based on microlens array and polarization grating, which is characterized in that
Display location is in the focal plane of microlens array.
6. the double vision 3D display device according to claim 1 based on microlens array and polarization grating, which is characterized in that
The resolution ratio of 3D rendering 1R 1With the resolution ratio of 3D rendering 2R 2Respectively
Wherein,pIt is the pitch of lenticule,mIt is the number of image primitive in horizontal direction in micro- pattern matrix,nIt is micro- pattern matrix
The number of image primitive in middle vertical direction,wIt is the horizontal aperture of pin hole,vIt is the vertical aperture width of pin hole.
7. the double vision 3D display method based on microlens array and polarization grating characterized by comprising
Micro- pattern matrix is made of image primitive 1 and image primitive 2；
Polarization grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2；
Image primitive 1 is corresponding with polarization unit 1 to be aligned, and image primitive 2 is corresponding with polarization unit 2 to be aligned；
The pitch of image primitive 1 and image primitive 2 is the multiple of the pitch of lenticule, and the horizontal aperture of pin hole is the section of lenticule
Away from multiple, the vertical aperture width of pin hole is the multiple of the pitch of lenticule；
The center of image primitive 1 with the center of corresponding pin hole is corresponding is aligned, the center of image primitive 2 with the center pair of corresponding pin hole
It should be aligned；
Pinhole array is used to limit the number for the lenticule for participating in imaging；
Image primitive 1 reconstructs multiple 3D renderings 1 by corresponding multiple lenticules, and is merged into a high score in viewing areas
Resolution 3D rendering 1, and can only be seen by polarising glass 1；
Image primitive 2 reconstructs multiple 3D renderings 2 by corresponding multiple lenticules, and is merged into a high score in viewing areas
Resolution 3D rendering 2, and can only be seen by polarising glass 2.
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| CN111781734A (en) * | 2020-08-30 | 2020-10-16 | 成都工业学院 | Double-view 3D display device and method based on double display screens |
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| CN210072222U (en) * | 2019-05-25 | 2020-02-14 | 成都工业学院 | Double-vision 3D display device based on micro-lens array and polarization grating |
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| CN210072222U (en) * | 2019-05-25 | 2020-02-14 | 成都工业学院 | Double-vision 3D display device based on micro-lens array and polarization grating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781734A (en) * | 2020-08-30 | 2020-10-16 | 成都工业学院 | Double-view 3D display device and method based on double display screens |
| CN111781734B (en) * | 2020-08-30 | 2023-08-15 | 成都航空职业技术学院 | Dual-view 3D display device and method based on dual display screens |
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