CN210166582U - One-dimensional integrated imaging double-view 3D display device - Google Patents
One-dimensional integrated imaging double-view 3D display device Download PDFInfo
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Abstract
The utility model discloses a one-dimensional integrated imaging double-vision 3D display device, which comprises a display screen, a gradient pitch polarization grating, a gradient slit grating, a pair of polarization glasses 1 and a pair of polarization glasses 2; in the gradient-pitch polarization grating, the pitch of the polarization unit 1 is gradually increased from the middle to two sides, and the pitch of the polarization unit 2 is gradually increased from the middle to two sides; in each group of sub-slit gratings, the pitch and the aperture width of the slit are gradually increased from the middle to two sides; the image element 1 reconstructs a plurality of 3D images 1 through a plurality of groups of sub-slit gratings, and the 3D images 1 are combined into a high-resolution 3D image 1 in a viewing area and can be seen only through the polarized glasses 1; the image element 2 reconstructs a plurality of 3D images 2 through a plurality of groups of sub-slit gratings, and the 3D images 2 are combined into one high-resolution 3D image 2 in a viewing area, and can only be seen through the polarized glasses 2.
Description
Technical Field
The utility model relates to a 3D shows, more specifically says, the utility model relates to a two 3D display device of looking of one-dimensional integrated imaging.
Background
The one-dimensional integrated imaging double-view 3D display is the fusion of a double-view display technology and a one-dimensional integrated imaging 3D display technology. It may enable the viewer to see different 3D pictures in different viewing directions. However, the existing one-dimensional integrated imaging dual-view 3D display has a bottleneck problem of insufficient resolution, which seriously affects the experience of viewers.
Disclosure of Invention
The utility model provides a one-dimensional integrated imaging double-vision 3D display device, as shown in figure 1, which is characterized in that the device comprises a display screen, a gradient pitch polarization grating, a gradient slit grating, polarization glasses 1 and polarization glasses 2; the gradient pitch polarization grating is attached to the display screen and is positioned between the display screen and the gradient slit grating; the gradual change slit grating is arranged in parallel in front of the gradual change pitch polarization grating and is correspondingly aligned; the display screen is used for displaying a micro-image array, and the micro-image array is formed by alternately arranging image elements 1 and 2, as shown in the attached figure 2; the gradual change slit grating comprises a plurality of groups of sub-slit gratings, as shown in figure 3; the gradient-pitch polarization grating is formed by alternately arranging the polarization units 1 and the polarization units 2, and the polarization directions of the polarization units 1 and the polarization units 2 are orthogonal, as shown in fig. 4; the polarization direction of the polarization glasses 1 is the same as that of the polarization unit 1, and the polarization direction of the polarization glasses 2 is the same as that of the polarization unit 2; the picture element 1 is aligned with the polarizing element 1 and the picture element 2 is aligned with the polarizing element 2, as shown in fig. 5; in the gradient-pitch polarization grating, the pitch of the polarization unit 1 is gradually increased from the middle to two sides, and the pitch of the polarization unit 2 is gradually increased from the middle to two sides; in each group of sub-slit gratings, the pitch and the aperture width of the slit are gradually increased from the middle to two sides; the image element 1 reconstructs a plurality of 3D images 1 through a plurality of groups of sub-slit gratings, and the 3D images 1 are combined into a high-resolution 3D image 1 in a viewing area and can be seen only through the polarized glasses 1; the image element 2 reconstructs a plurality of 3D images 2 through a plurality of groups of sub-slit gratings, and the 3D images 2 are combined into one high-resolution 3D image 2 in a viewing area, and can only be seen through the polarized glasses 2.
Preferably, the number of picture elements 1 is equal to the number of picture elements 2.
Preferably, the number of slits in each set of sub-slit gratings is equal to twice the number of picture elements 1 in the micro-image array.
Preferably, the pitch of the plurality of slits corresponding to the same image element 1 is equal to the pitch of the image element 1, and the aperture widths of the plurality of slits corresponding to the same image element 1 are equal; the pitch of the slits corresponding to the same picture element 2 is equal to the pitch of the picture element 2 and the aperture width of the slits corresponding to the same picture element 2 is the same.
Preferably, withiThe pitch of the slit corresponding to the picture element 1 is equal to the pitch of the first slitiThe pitch of the slit corresponding to the picture element 2 of the column picture, andipitch of slit corresponding to picture element 1 of the figureP i And with the firstiPitch of slit corresponding to +1 row picture element 1P i+1Satisfies the following formula:
wherein,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the gradual change slit grating,tis the thickness of the gradual-change slit grating,mis the number of picture elements 1 in the micro image array.
Preferably, withiThe aperture width of the slit corresponding to the picture element 1 is equal to that of the firstiAperture width of slit corresponding to the column picture element 2, andiaperture width of slit corresponding to picture element 1W i And with the firstiThe aperture width of the slit corresponding to the +1 column picture element 1W i+1Satisfies the following formula:
wherein,P i is as followsiThe pitch of the corresponding slit of the picture element 1,P i+1is as followsiThe pitch of the corresponding slit of column +1 picture element 1,lis the viewing distance, the distance between the viewer,tis the thickness of the gradual-change slit grating,mis the number of picture elements 1 in the micro image array.
Preferably, the plurality of slits corresponding to the same image element 1 are all at the same pitch; the pitches of the plurality of slits corresponding to the same picture element 2 are the same; a plurality of slits corresponding to the same image element 1 are symmetrical with the center of the image element 1 as the center; the slits corresponding to the same picture element 2 are symmetrical about the center of the picture element 2.
Preferably, withiOf slits corresponding to picture elements 1 of the figureThe distance is equal toiThe pitch of the slit corresponding to the column picture element 2 and the secondiThe interval of the corresponding slits of the column picture element 1B i Comprises the following steps:
wherein,tis the thickness of the gradual-change slit grating,P i is as followsiThe pitch of the corresponding slit of the picture element 1,W i is as followsiThe aperture width of the slit corresponding to the picture element 1,gis the distance between the display screen and the gradual change slit grating,nis the number of groups of the sub-slit grating.
Preferably, the horizontal resolution of the 3D image 1r 1Is composed of
Horizontal resolution of 3D image 2r 2Is composed of
Wherein,mis the number of picture elements 1 in the micro image array,P i is as followsiThe pitch of the corresponding slit of the picture element 1,W i is as followsiThe aperture width of the slit corresponding to the picture element 1,B i is as followsiThe pitch of the corresponding slits of the picture elements 1,nis the number of groups of the sub-slit grating.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
FIG. 2 is a schematic diagram of a micro-image array according to the present invention
FIG. 3 is a schematic structural view of the gradually-varied slit grating of the present invention
FIG. 4 is a schematic structural view of a polarization grating with gradually varied pitch according to the present invention
FIG. 5 is a schematic diagram of the principles and parameters of the present invention
The reference numbers in the figures are:
1. the display screen, 2, the gradient pitch polarization grating, 3, the gradient slit grating, 4, the polarization glasses 1, 5, the polarization glasses 2, 6, the sub slit grating, 7, the polarization unit 1, 8, the polarization unit 2, 9, the image element 1, 10, and the image element 2.
It should be understood that the above-described figures are merely schematic and are not drawn to scale.
Detailed Description
The following describes in detail an exemplary embodiment of a one-dimensional integrated imaging dual-view 3D display device of the present invention, which is further described in detail in the present invention. It is necessary to point out here that the following examples are only used for further illustration of the present invention, and should not be understood as limiting the scope of the present invention, and those skilled in the art can make some non-essential improvements and modifications to the present invention according to the above-mentioned contents of the present invention, and still fall into the scope of the present invention.
The utility model provides a one-dimensional integrated imaging double-vision 3D display device, as shown in figure 1, which is characterized in that the device comprises a display screen, a gradient pitch polarization grating, a gradient slit grating, polarization glasses 1 and polarization glasses 2; the gradient pitch polarization grating is attached to the display screen and is positioned between the display screen and the gradient slit grating; the gradual change slit grating is arranged in parallel in front of the gradual change pitch polarization grating and is correspondingly aligned; the display screen is used for displaying a micro-image array, and the micro-image array is formed by alternately arranging image elements 1 and 2, as shown in the attached figure 2; the gradual change slit grating comprises a plurality of groups of sub-slit gratings, as shown in figure 3; the gradient-pitch polarization grating is formed by alternately arranging the polarization units 1 and the polarization units 2, and the polarization directions of the polarization units 1 and the polarization units 2 are orthogonal, as shown in fig. 4; the polarization direction of the polarization glasses 1 is the same as that of the polarization unit 1, and the polarization direction of the polarization glasses 2 is the same as that of the polarization unit 2; the picture element 1 is aligned with the polarizing element 1 and the picture element 2 is aligned with the polarizing element 2, as shown in fig. 5; in the gradient-pitch polarization grating, the pitch of the polarization unit 1 is gradually increased from the middle to two sides, and the pitch of the polarization unit 2 is gradually increased from the middle to two sides; in each group of sub-slit gratings, the pitch and the aperture width of the slit are gradually increased from the middle to two sides; the image element 1 reconstructs a plurality of 3D images 1 through a plurality of groups of sub-slit gratings, and the 3D images 1 are combined into a high-resolution 3D image 1 in a viewing area and can be seen only through the polarized glasses 1; the image element 2 reconstructs a plurality of 3D images 2 through a plurality of groups of sub-slit gratings, and the 3D images 2 are combined into one high-resolution 3D image 2 in a viewing area, and can only be seen through the polarized glasses 2.
Preferably, the number of picture elements 1 is equal to the number of picture elements 2.
Preferably, the number of slits in each set of sub-slit gratings is equal to twice the number of picture elements 1 in the micro-image array.
Preferably, the pitch of the plurality of slits corresponding to the same image element 1 is equal to the pitch of the image element 1, and the aperture widths of the plurality of slits corresponding to the same image element 1 are equal; the pitch of the slits corresponding to the same picture element 2 is equal to the pitch of the picture element 2 and the aperture width of the slits corresponding to the same picture element 2 is the same.
Preferably, withiThe pitch of the slit corresponding to the picture element 1 is equal to the pitch of the first slitiThe pitch of the slit corresponding to the picture element 2 of the column picture, andipitch of slit corresponding to picture element 1 of the figureP i And with the firstiPitch of slit corresponding to +1 row picture element 1P i+1Satisfies the following formula:
wherein,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the gradual change slit grating,tis the thickness of the gradual-change slit grating,mis the number of picture elements 1 in the micro image array.
Preferably, withiThe aperture width of the slit corresponding to the picture element 1 is equal to that of the firstiAperture width of slit corresponding to the column picture element 2, andithe aperture width of the slit corresponding to the column picture element 1Degree of rotationW i And with the firstiThe aperture width of the slit corresponding to the +1 column picture element 1W i+1Satisfies the following formula:
wherein,P i is as followsiThe pitch of the corresponding slit of the picture element 1,P i+1is as followsiThe pitch of the corresponding slit of column +1 picture element 1,lis the viewing distance, the distance between the viewer,tis the thickness of the gradual-change slit grating,mis the number of picture elements 1 in the micro image array.
Preferably, the plurality of slits corresponding to the same image element 1 are all at the same pitch; the pitches of the plurality of slits corresponding to the same picture element 2 are the same; a plurality of slits corresponding to the same image element 1 are symmetrical with the center of the image element 1 as the center; the slits corresponding to the same picture element 2 are symmetrical about the center of the picture element 2.
Preferably, withiThe distance between the slits corresponding to the picture elements 1 is equal to the distance between the slitsiThe pitch of the slit corresponding to the column picture element 2 and the secondiThe interval of the corresponding slits of the column picture element 1B i Comprises the following steps:
wherein,tis the thickness of the gradual-change slit grating,P i is as followsiThe pitch of the corresponding slit of the picture element 1,W i is as followsiThe aperture width of the slit corresponding to the picture element 1,gis the distance between the display screen and the gradual change slit grating,nis the number of groups of the sub-slit grating.
Preferably, the horizontal resolution of the 3D image 1r 1Is composed of
Horizontal resolution of 3D image 2r 2Is composed of
Wherein,mis the number of picture elements 1 in the micro image array,P i is as followsiThe pitch of the corresponding slit of the picture element 1,W i is as followsiThe aperture width of the slit corresponding to the picture element 1,B i is as followsiThe pitch of the corresponding slits of the picture elements 1,nis the number of groups of the sub-slit grating.
The distance between the display screen and the gradual change slit grating is 8mm, the number of the image elements 1 is 4, the number of the image elements 2 is 4, the group number of the sub-slit gratings is 3, the thickness of the gradual change slit grating is 1mm, the viewing distance is 233mm, the pitch of the slit corresponding to the picture element in the row 1 is 20mm, and the aperture width of the slit corresponding to the picture element in the row 1 is 1 mm; the pitches of the slits corresponding to the picture elements 1 in the 1 st to 4 th rows are respectively 20mm, 18.68mm, 18.68mm and 20mm calculated by the formula (1), the pitches of the slits corresponding to the picture elements 2 in the 1 st to 4 th rows are respectively 20mm, 18.68mm, 18.68mm and 20mm, the aperture widths of the slits corresponding to the picture elements 1 in the 1 st to 4 th rows are respectively 1mm, 0.83mm, 0.83mm and 1mm calculated by the formula (2), the aperture widths of the slits corresponding to the picture elements 2 in the 1 st to 4 th rows are respectively 1mm, 0.83mm, 0.83mm and 1mm, the distances between the slits corresponding to the picture elements 1 in the 1 st to 4 th rows are respectively 0.5mm, 2.11mm, 2.11mm and 0.5mm calculated by the formula (3), the distance between the slits corresponding to the picture elements 1 in the 1 st to 4 th rows is 0.5mm, 2.11mm, 2.11mm and 0.5mm respectively, the horizontal resolution of the 3D image 1 calculated by the formula (4) is 10, and the horizontal resolution of the 3D image 2 calculated by the formula (5) is 10; the horizontal resolution of the 3D image of a conventional integrated imaging dual view 3D display based on the above parameters is 4.
Claims (9)
1. A one-dimensional integrated imaging double-view 3D display device is characterized by comprising a display screen, a gradient pitch polarization grating, a gradient slit grating, polarization glasses 1 and polarization glasses 2; the gradient pitch polarization grating is attached to the display screen and is positioned between the display screen and the gradient slit grating; the gradual change slit grating is arranged in parallel in front of the gradual change pitch polarization grating and is correspondingly aligned; the display screen is used for displaying a micro-image array, and the micro-image array is formed by alternately arranging image elements 1 and 2; the gradual change slit grating comprises a plurality of groups of sub-slit gratings; the gradient pitch polarization grating is formed by alternately arranging a polarization unit 1 and a polarization unit 2, and the polarization directions of the polarization unit 1 and the polarization unit 2 are orthogonal; the polarization direction of the polarization glasses 1 is the same as that of the polarization unit 1, and the polarization direction of the polarization glasses 2 is the same as that of the polarization unit 2; the image element 1 is correspondingly aligned with the polarization unit 1, and the image element 2 is correspondingly aligned with the polarization unit 2; in the gradient-pitch polarization grating, the pitch of the polarization unit 1 is gradually increased from the middle to two sides, and the pitch of the polarization unit 2 is gradually increased from the middle to two sides; in each group of sub-slit gratings, the pitch and the aperture width of the slit are gradually increased from the middle to two sides; the image element 1 reconstructs a plurality of 3D images 1 through a plurality of groups of sub-slit gratings, and the 3D images 1 are combined into a high-resolution 3D image 1 in a viewing area and can be seen only through the polarized glasses 1; the image element 2 reconstructs a plurality of 3D images 2 through a plurality of groups of sub-slit gratings, and the 3D images 2 are combined into one high-resolution 3D image 2 in a viewing area, and can only be seen through the polarized glasses 2.
2. A one dimensional integrated imaging dual view 3D display device according to claim 1, wherein the number of picture elements 1 is equal to the number of picture elements 2.
3. A one dimensional integrated imaging dual view 3D display device according to claim 1, wherein the number of slits in each set of sub-slit gratings is equal to twice the number of image elements 1 in the micro-image array.
4. A one-dimensional integrated imaging dual-view 3D display device according to claim 1, wherein the plurality of slits corresponding to the same image element 1 have a pitch equal to the pitch of the image element 1, and the plurality of slits corresponding to the same image element 1 have the same aperture width; the pitch of the slits corresponding to the same picture element 2 is equal to the pitch of the picture element 2 and the aperture width of the slits corresponding to the same picture element 2 is the same.
5. A one-dimensional integrated imaging dual view 3D display device according to claim 4, wherein the display device is connected with the first display deviceiThe pitch of the slit corresponding to the picture element 1 is equal to the pitch of the first slitiThe pitch of the slit corresponding to the picture element 2 of the column picture, andipitch of slit corresponding to picture element 1 of the figureP i And with the firstiPitch of slit corresponding to +1 row picture element 1P i+1Satisfies the following formula:
wherein,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the gradual change slit grating,tis the thickness of the gradual-change slit grating,mis the number of picture elements 1 in the micro image array.
6. A one-dimensional integrated imaging dual view 3D display device according to claim 4, wherein the display device is connected with the first display deviceiThe aperture width of the slit corresponding to the picture element 1 is equal to that of the firstiAperture width of slit corresponding to the column picture element 2, andiaperture width of slit corresponding to picture element 1W i And with the firstiThe aperture width of the slit corresponding to the +1 column picture element 1W i+1Satisfies the following formula:
wherein,P i is as followsiThe pitch of the corresponding slit of the picture element 1,P i+1is as followsiThe pitch of the corresponding slit of column +1 picture element 1,lis the viewing distance, the distance between the viewer,tis the thickness of the gradual-change slit grating,mis the number of picture elements 1 in the micro image array.
7. A one-dimensional integrated imaging dual view 3D display device according to claim 1,
the pitches of a plurality of slits corresponding to the same image element 1 are the same; the pitches of the plurality of slits corresponding to the same picture element 2 are the same; a plurality of slits corresponding to the same image element 1 are symmetrical with the center of the image element 1 as the center; the slits corresponding to the same picture element 2 are symmetrical about the center of the picture element 2.
8. A one-dimensional integrated imaging dual view 3D display device according to claim 7, wherein the first and second image sensors are arranged in paralleliThe distance between the slits corresponding to the picture elements 1 is equal to the distance between the slitsiThe pitch of the slit corresponding to the column picture element 2 and the secondiThe interval of the corresponding slits of the column picture element 1B i Comprises the following steps:
wherein,tis the thickness of the gradual-change slit grating,P i is as followsiThe pitch of the corresponding slit of the picture element 1,W i is as followsiThe aperture width of the slit corresponding to the picture element 1,gis the distance between the display screen and the gradual change slit grating,nis the number of groups of the sub-slit grating.
9. A one-dimensional integrated imaging dual view 3D display device according to claim 1, wherein the horizontal resolution of the 3D image 1 isr 1Is composed of
Horizontal resolution of 3D image 2r 2Is composed of
Wherein,mis the number of picture elements 1 in the micro image array,P i is as followsiThe pitch of the corresponding slit of the picture element 1,W i is as followsiThe aperture width of the slit corresponding to the picture element 1,B i is as followsiThe pitch of the corresponding slits of the picture elements 1,nis the number of groups of the sub-slit grating.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095875A (en) * | 2019-05-25 | 2019-08-06 | 成都工业学院 | A kind of one-dimensional integrated imaging double vision 3D display device |
| CN113703176A (en) * | 2021-09-11 | 2021-11-26 | 成都工业学院 | 3D display device based on gradual change composite slit grating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095875A (en) * | 2019-05-25 | 2019-08-06 | 成都工业学院 | A kind of one-dimensional integrated imaging double vision 3D display device |
| CN110095875B (en) * | 2019-05-25 | 2024-03-26 | 成都航空职业技术学院 | One-dimensional integrated imaging double-vision 3D display device |
| CN113703176A (en) * | 2021-09-11 | 2021-11-26 | 成都工业学院 | 3D display device based on gradual change composite slit grating |
| CN113703176B (en) * | 2021-09-11 | 2023-05-30 | 成都航空职业技术学院 | 3D display device based on gradual change compound slit grating |
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