CN112859375B - Wide-view-angle integrated imaging 3D display method - Google Patents
Wide-view-angle integrated imaging 3D display method Download PDFInfo
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- CN112859375B CN112859375B CN202110355400.4A CN202110355400A CN112859375B CN 112859375 B CN112859375 B CN 112859375B CN 202110355400 A CN202110355400 A CN 202110355400A CN 112859375 B CN112859375 B CN 112859375B
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- 238000003384 imaging method Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims description 11
- 239000011295 pitch Substances 0.000 description 15
- 230000006978 adaptation Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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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
- G02B30/30—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 parallax barriers
- G02B30/32—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 parallax barriers characterised by the geometry of the parallax barriers, e.g. staggered barriers, slanted parallax arrays or parallax arrays of varying shape or size
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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
- G02B30/30—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 parallax barriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
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Abstract
The invention discloses a wide-view-angle integrated imaging 3D display method, which realizes 3D display through integrated imaging display equipment; the integrated imaging display device comprises a display screen and a pinhole array; the pinhole array is positioned in front of the display screen; the center of the pinhole array is correspondingly aligned with the center of the display screen; the display screen is used for displaying the discrete image element array; the discrete image element array comprises a plurality of image elements which are arranged discretely; the width of the image elements is the same; the interval widths of adjacent image elements are the same; reconstructing a 3D image by each image element through a pinhole corresponding to the image element, wherein the imaging area of each image element is coincided at the optimal viewing distance; the light rays emitted by each picture element do not interfere with the 3D image reconstructed by the picture elements adjacent to this picture element.
Description
Technical Field
The invention relates to 3D display, in particular to a wide-view-angle integrated imaging 3D display method.
Background
The integrated imaging 3D display has the characteristic of being watched by naked eyes, the shooting and displaying processes are relatively simple, and 3D images with full parallax and full true colors can be displayed, so that the integrated imaging 3D display is one of the main modes of the current 3D display. Compared with the integrated imaging 3D display based on the micro-lens array, the integrated imaging 3D display based on the pinhole array has the advantages of low cost, light weight, thin device thickness, no limitation of the manufacturing process on the pitch and the like.
In the existing wide-view-angle integrated imaging 3D display, an image element array is composed of a plurality of image elements which are closely arranged; reconstructing a 3D image by each image element through a pinhole corresponding to the image element; by reasonably setting the pitches of the pinholes and the image elements, the imaging areas of all the image elements are overlapped at the optimal viewing distance, and therefore wide-view-angle integrated imaging 3D display is achieved. However, in the existing wide view angle integrated imaging 3D display, the light emitted from each image element interferes with the 3D image reconstructed by the image elements adjacent to the image element, resulting in the viewing angle being inversely proportional to the aperture width of the pinhole. Horizontal viewing perspective of existing wide-viewing-angle integrated imaging 3D displayθ 1 Vertical viewing angleθ 2 And optical efficiencyφRespectively as follows:
wherein,pis the pitch of the pin-holes,wis the aperture width of the pinhole and,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array.
Disclosure of Invention
The invention provides a wide-view-angle integrated imaging 3D display method, which realizes 3D display through integrated imaging display equipment; the integrated imaging display device is characterized by comprising a display screen and a pinhole array; as shown in fig. 1 and 2, the pinhole array is positioned in front of the display screen; the center of the pinhole array is correspondingly aligned with the center of the display screen; the display screen is used for displaying the discrete image element array, as shown in FIG. 3; the discrete image element array comprises a plurality of image elements which are arranged discretely; the width of the image elements is the same; the interval widths of adjacent image elements are the same; width of picture elementqThe width of the interval between adjacent picture elementsaAnd pitch of the pin holepSatisfies the following formula
Wherein,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array; reconstructing a 3D image by each image element through a pinhole corresponding to the image element, wherein the imaging areas of each image element are coincided at the optimal viewing distance; the light rays emitted by each picture element do not interfere with the 3D image reconstructed by the picture elements adjacent to this picture element.
Preferably, the spacing width of adjacent picture elementsaSatisfies the following formula:
wherein,wis the aperture width of the pinhole,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array.
Preferably, the width of the picture elementsqAnd the width of the interval between adjacent picture elementsaAre respectively as
Wherein,pis the pitch of the pinholes and is,wis the aperture width of the pinhole,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array.
Preferably, the horizontal viewing perspective of the integrated imaging 3D displayθ 1 Vertical viewing angleθ 2 And optical efficiencyφRespectively as follows:
wherein,pis the pitch of the pinholes and is,qis the width of the picture element or elements,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array,wis the aperture width of the pinhole.
Preferably, the width of the picture elementqAnd the width of the interval between adjacent picture elementsaAre respectively as
Wherein,pis the pitch of the pinholes and is,wis the aperture width of the pinhole and,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array.
Preferably, the horizontal viewing perspective of the integrated imaging 3D displayθ 1 Vertical viewing angleθ 2 And optical efficiencyφAre respectively as
Wherein,pis the pitch of the pinholes and is,qis the width of the picture element or elements,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array,wis the aperture width of the pinhole.
Drawings
FIG. 1 is a schematic view of the present invention in the horizontal direction
FIG. 2 is a schematic view in the vertical direction of the present invention
FIG. 3 is a schematic diagram of a discrete array of image elements according to the present invention
The figures in the above drawings are numbered:
1. display screen, 2 pinhole array, 3 picture elements, 4 interval of adjacent picture elements.
It should be understood that the above-described figures are merely schematic and are not drawn to scale.
Detailed Description
The present invention will be described in further detail below by describing in detail an exemplary embodiment of a wide view integrated imaging 3D display method according to the present invention. It should be noted that the following examples are only for illustrative purposes and should not be construed as limiting the scope of the present invention, and that the skilled person in the art may make modifications and adaptations of the present invention without departing from the scope of the present invention.
The invention provides a wide-view-angle integrated imaging 3D display method, whichRealizing 3D display through an integrated imaging display device; the integrated imaging display equipment is characterized by comprising a display screen and a pinhole array; as shown in fig. 1 and 2, the pinhole array is positioned in front of the display screen; the center of the pinhole array is correspondingly aligned with the center of the display screen; the display screen is used for displaying the discrete image element array, as shown in FIG. 3; the discrete image element array comprises a plurality of image elements which are arranged discretely; the width of the image elements is the same; the interval widths of adjacent image elements are the same; width of picture elementqWidth of interval between adjacent picture elementsaAnd pitch of the pin holepSatisfies the following formula
Wherein,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array; reconstructing a 3D image by each image element through a pinhole corresponding to the image element, wherein the imaging areas of each image element are coincided at the optimal viewing distance; the light rays emitted by each picture element do not interfere with the 3D image reconstructed by the picture elements adjacent to this picture element.
Preferably, the spacing width of adjacent picture elementsaSatisfies the following formula:
wherein,wis the aperture width of the pinhole,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array.
Preferably, the width of the picture elementsqAnd the width of the interval between adjacent picture elementsaAre respectively as
Wherein,pis the pitch of the pinholes and is,wis the aperture width of the pinhole,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array.
Preferably, the horizontal viewing perspective of the integrated imaging 3D displayθ 1 Vertical viewing angleθ 2 And optical efficiencyφRespectively as follows:
wherein,pis the pitch of the pin-holes,qis the width of the picture element or elements,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array,wis the aperture width of the pinhole.
Preferably, the width of the picture elementqAnd the width of the interval between adjacent picture elementsaAre respectively as
Wherein,pis the pitch of the pinholes and is,wis the aperture width of the pinhole,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array.
Preferably, the horizontal viewing perspective of the integrated imaging 3D displayθ 1 Vertical viewing angleθ 2 And optical efficiencyφAre respectively as
Wherein,pis the pitch of the pinholes and is,qis the width of the picture element or elements,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array,wis the aperture width of the pinhole.
The pitch of the pinholes is 10mm, the aperture width of the pinholes is 2mm, the distance between the display screen and the pinhole array is 10mm, and the optimal viewing distance is 500mm, so that the width of the image element and the interval width of the adjacent image elements obtained by calculation in the formulas (3) and (4) are 8.16mm and 2.04mm respectively; the horizontal viewing angle, the vertical viewing angle and the optical efficiency of the integrated imaging 3D display are respectively 54 degrees, 54 degrees and 6 percent through calculation of the formulas (5) and (6); the horizontal viewing angle, the vertical viewing angle and the optical efficiency of the traditional wide-viewing-angle integrated imaging 3D display based on the parameters are respectively 44 degrees, 44 degrees and 4 degrees.
The pitch of the pinholes is 10mm, the aperture width of the pinholes is 2mm, the distance between the display screen and the pinhole array is 10mm, and the optimal viewing distance is 500mm, then the width of the image element and the interval width of the adjacent image elements obtained by calculation of the formulas (7) and (8) are respectively 6.16mm and 4.04mm; the horizontal viewing angle, the vertical viewing angle and the optical efficiency of the integrated imaging 3D display are respectively 44 degrees, 44 degrees and 10.5 percent calculated by the formulas (9) and (10); the horizontal viewing angle, the vertical viewing angle and the optical efficiency of the traditional wide-viewing-angle integrated imaging 3D display based on the parameters are respectively 44 degrees, 44 degrees and 4 degrees.
Claims (5)
1. The wide-view-angle integrated imaging 3D display method realizes 3D display through integrated imaging display equipment; the integrated imaging display device is characterized by comprising a display screen and a pinhole array; the pinhole array is positioned in front of the display screen; the center of the pinhole array is correspondingly aligned with the center of the display screen; display screen for displaying discrete image element arrayColumns; the discrete image element array comprises a plurality of image elements which are arranged discretely; the width of the image elements is the same; the interval widths of adjacent image elements are the same; width of picture elementqThe width of the interval between adjacent picture elementsaAnd pitch of the pin holepSatisfies the following formula
Wherein,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array; reconstructing a 3D image by each image element through a pinhole corresponding to the image element, wherein the imaging areas of each image element are coincided at the optimal viewing distance; the light rays emitted by each image element do not interfere with the 3D image reconstructed by the image elements adjacent to the image element; width of interval between adjacent picture elementsaSatisfies the following formula:
wherein,wis the aperture width of the pinhole.
2. The wide-viewing-angle integrated imaging 3D display method according to claim 1, wherein the width of the image elementqAnd the width of the interval between adjacent picture elementsaAre respectively as
Wherein,pis the pitch of the pinholes and is,wis the aperture width of the pinhole,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array.
3. The wide-view integrated imaging 3D display method according to claim 2, wherein the horizontal viewing angle of the integrated imaging 3D displayθ 1 Vertical viewing angleθ 2 And optical efficiencyφRespectively as follows:
wherein,pis the pitch of the pinholes and is,qis the width of the picture element or elements,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array,wis the aperture width of the pinhole.
4. The wide-viewing-angle integrated imaging 3D display method according to claim 1, wherein the width of the image elementqAnd the width of the interval between adjacent picture elementsaAre respectively as
Wherein,pis the pitch of the pinholes and is,wis the aperture width of the pinhole,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array.
5. The wide-viewing-angle integrated imaging 3D display method according to claim 4, wherein the horizontal viewing angle of the integrated imaging 3D displayθ 1 Vertical viewing angleθ 2 And optical efficiencyφAre respectively as
Wherein,pis the pitch of the pin-holes,qis the width of the picture element or elements,lis the best viewing distance for the user,gis the distance between the display screen and the pinhole array,wis the aperture width of the pinhole.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201001331A (en) * | 2008-03-27 | 2010-01-01 | Toshiba Kk | Three-dimensional image display method and apparatus |
| CN209388052U (en) * | 2019-02-24 | 2019-09-13 | 成都工业学院 | Visual angle is uniformly without crosstalk integration imaging 3D display device |
| CN210986290U (en) * | 2020-02-03 | 2020-07-10 | 成都工业学院 | Integrated imaging double-vision 3D display device |
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| JP4271155B2 (en) * | 2004-02-10 | 2009-06-03 | 株式会社東芝 | 3D image display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201001331A (en) * | 2008-03-27 | 2010-01-01 | Toshiba Kk | Three-dimensional image display method and apparatus |
| CN209388052U (en) * | 2019-02-24 | 2019-09-13 | 成都工业学院 | Visual angle is uniformly without crosstalk integration imaging 3D display device |
| CN210986290U (en) * | 2020-02-03 | 2020-07-10 | 成都工业学院 | Integrated imaging double-vision 3D display device |
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