CN209707825U - One-dimensional integrated imaging double vision 3D display device - Google Patents
One-dimensional integrated imaging double vision 3D display device Download PDFInfo
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- CN209707825U CN209707825U CN201920762256.4U CN201920762256U CN209707825U CN 209707825 U CN209707825 U CN 209707825U CN 201920762256 U CN201920762256 U CN 201920762256U CN 209707825 U CN209707825 U CN 209707825U
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- 238000003384 imaging method Methods 0.000 title claims abstract description 19
- 208000003164 Diplopia Diseases 0.000 title abstract description 5
- 208000029444 double vision Diseases 0.000 title abstract description 5
- 239000011521 glass Substances 0.000 claims abstract description 24
- 239000011295 pitch Substances 0.000 claims description 56
- 230000010287 polarization Effects 0.000 claims description 15
- 230000009977 dual effect Effects 0.000 claims 2
- 238000009877 rendering Methods 0.000 abstract 4
- 239000011159 matrix material Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model discloses one-dimensional integrated imaging double vision 3D display devices, including display screen, polarizing film, gradual change slit grating, polarising glass I and polarising glass II；Gradual change slit grating includes the sub- slit grating of multiple groups；In every group of sub- slit grating, the pitch and aperture of slit are gradually increased from centre to both sides；The micro- pattern matrix I of son reconstructs multiple 3D rendering I by the sub- slit grating of multiple groups, and is merged into a high-resolution 3D rendering I in viewing areas, and can only see by polarising glass I；The micro- pattern matrix II of son reconstructs multiple 3D rendering II by the sub- slit grating of multiple groups, and is merged into a high-resolution 3D rendering II in viewing areas, and can only see by polarising glass II.
Description
Technical Field
The utility model relates to a 3D shows, more specifically says, the utility model relates to a one-dimensional integrated formation of image double vision 3D display device.
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 polaroid, a gradual change slit grating, a pair of polarized glasses I and a pair of polarized glasses II; the display screen is used for displaying the micro-image array, and the micro-image array is composed of a sub-micro-image array I and a sub-micro-image array II, as shown in the attached figure 2; the polaroid is attached to the display screen and is positioned between the display screen and the gradient slit grating; the polaroid consists of a sub-polaroid I and a sub-polaroid II, and the polarization directions of the sub-polaroid I and the sub-polaroid II are orthogonal, as shown in the attached figure 3; the sub micro image array I is correspondingly aligned with the sub polarizing film I, and the sub micro image array II is correspondingly aligned with the sub polarizing film II; the gradual change slit grating is arranged in front of the polaroid in parallel and is correspondingly aligned; the gradual change slit grating comprises a plurality of groups of sub-slit gratings; 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, as shown in fig. 4; the polarization direction of the polarization glasses I is the same as that of the sub-polaroid I, and the polarization direction of the polarization glasses II is the same as that of the sub-polaroid II; as shown in fig. 5, the sub-micro image array I reconstructs a plurality of 3D images I through a plurality of groups of sub-slit gratings, and the 3D images I are combined into one high-resolution 3D image I in the viewing area and can only be seen through the polarized glasses I; the sub micro image array II reconstructs a plurality of 3D images II through a plurality of groups of sub slit gratings, and the 3D images II are combined into a high-resolution 3D image II in a viewing area and can be seen only through a polarized glasses II.
Preferably, the number of slits in each group of sub-slit gratings is equal to the sum of the numbers of image elements I and II in the micro-image array; the pitches of a plurality of slits corresponding to the same image element I are equal to the pitch of the image element I; the pitches of a plurality of slits corresponding to the same image element II are all equal to the pitch of the image element II; the aperture widths of a plurality of slits corresponding to the same image element I are the same; the aperture widths of a plurality of slits corresponding to the same image element II are the same; a plurality of slits corresponding to the same image element I are symmetrical by taking the center of the image element I as a center; a plurality of slits corresponding to the same image element II are symmetrical by taking the center of the image element II as a center; the pitches of a plurality of slits corresponding to the same image element I are the same; the pitches of the plurality of slits corresponding to the same picture element II are all the same.
Preferably, withiSection of slit corresponding to column picture element IDistance betweenP i And with the firstiPitch of slit corresponding to +1 column of picture element IP i+1Satisfies the following formula:
（1）
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 graded slit grating.
Preferably, withiPitch of slit corresponding to column picture element IIQ i And with the firstiPitch of slit corresponding to +1 column of picture element IIQ i+1Satisfies the following formula:
（2）
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 graded slit grating.
Preferably, withiThe aperture width of the slit corresponding to the column picture element IW i And with the firstiThe aperture width of the slit corresponding to the picture element I in the +1 columnW i+1Satisfies the following formula:
（3）
wherein,P i is as followsiThe pitch of the slit corresponding to the column picture element I,lis the viewing distance, the distance between the viewer,tis the thickness of the graded slit grating.
Preferably, withiThe aperture width of the slit corresponding to the column picture element IIV i And with the firstiThe aperture width of the slit corresponding to the +1 column image element IIV i+1Satisfies the following formula:
（4）
wherein,Q i+1is as followsiThe pitch of the slit corresponding to +1 column picture element II,lis the viewing distance, the distance between the viewer,tis the thickness of the graded slit grating.
Preferably, withiThe interval of the slit corresponding to the column picture element IA i Comprises the following steps:
（5）
wherein,tis the thickness of the gradual-change slit grating,P i is as followsiThe pitch of the slit corresponding to the column picture element I,W i is as followsiThe aperture width of the slit corresponding to the column picture element I,gis the distance between the display screen and the gradual change slit grating,nis the number of groups of the sub-slit grating.
Preferably, withiThe interval of the slit corresponding to the column picture element IIB i Comprises the following steps:
（6）
wherein,tis the thickness of the gradual-change slit grating,Q i is as followsiThe pitch of the slit corresponding to the column picture element II,V i is as followsiThe aperture width of the slit corresponding to the column picture element II,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 IR 1Is composed of
（7）
Wherein,mis the number of picture elements I in the sub-micro picture array I,P i is as followsiThe pitch of the slit corresponding to the column picture element I,W i is as followsiThe aperture width of the slit corresponding to the column picture element I,A i is as followsiThe interval of the slits corresponding to the column picture elements I,nis the number of groups of the sub-slit grating.
Preferably, the horizontal resolution of the 3D image IIR 2Is composed of
（8）
Wherein,sis the number of picture elements II in the sub-microimage array II,Q i is as followsiThe pitch of the slit corresponding to the column picture element II,V i is as followsiThe aperture width of the slit corresponding to the column picture element II,B i is as followsiThe pitch of the slits corresponding to the column picture elements II,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 polarizer of the present invention
FIG. 4 is a schematic structural view of the gradually-varied slit grating of 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 comprises a display screen, 2 polarizer, 3 gradient slit grating, 4 polarizing glasses I, 5 polarizing glasses II, 6 sub micro image array I, 7 sub micro image array II, 8 sub polarizer I, 9 sub polarizer II, 10 sub slit grating, 11 image element I, 12 image element II.
It should be understood that the above-described figures are merely schematic and are not drawn to scale.
Detailed Description
The following describes an exemplary embodiment of the one-dimensional integrated imaging dual-view 3D display device in detail, which is further described in detail. 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 polaroid, a gradual change slit grating, a pair of polarized glasses I and a pair of polarized glasses II; the display screen is used for displaying the micro-image array, and the micro-image array is composed of a sub-micro-image array I and a sub-micro-image array II, as shown in the attached figure 2; the polaroid is attached to the display screen and is positioned between the display screen and the gradient slit grating; the polaroid consists of a sub-polaroid I and a sub-polaroid II, and the polarization directions of the sub-polaroid I and the sub-polaroid II are orthogonal, as shown in the attached figure 3; the sub micro image array I is correspondingly aligned with the sub polarizing film I, and the sub micro image array II is correspondingly aligned with the sub polarizing film II; the gradual change slit grating is arranged in front of the polaroid in parallel and is correspondingly aligned; the gradual change slit grating comprises a plurality of groups of sub-slit gratings; 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, as shown in fig. 4; the polarization direction of the polarization glasses I is the same as that of the sub-polaroid I, and the polarization direction of the polarization glasses II is the same as that of the sub-polaroid II; as shown in fig. 5, the sub-micro image array I reconstructs a plurality of 3D images I through a plurality of groups of sub-slit gratings, and the 3D images I are combined into one high-resolution 3D image I in the viewing area and can only be seen through the polarized glasses I; the sub micro image array II reconstructs a plurality of 3D images II through a plurality of groups of sub slit gratings, and the 3D images II are combined into a high-resolution 3D image II in a viewing area and can be seen only through a polarized glasses II.
Preferably, the number of slits in each group of sub-slit gratings is equal to the sum of the numbers of image elements I and II in the micro-image array; the pitches of a plurality of slits corresponding to the same image element I are equal to the pitch of the image element I; the pitches of a plurality of slits corresponding to the same image element II are all equal to the pitch of the image element II; the aperture widths of a plurality of slits corresponding to the same image element I are the same; the aperture widths of a plurality of slits corresponding to the same image element II are the same; a plurality of slits corresponding to the same image element I are symmetrical by taking the center of the image element I as a center; a plurality of slits corresponding to the same image element II are symmetrical by taking the center of the image element II as a center; the pitches of a plurality of slits corresponding to the same image element I are the same; the pitches of the plurality of slits corresponding to the same picture element II are all the same.
Preferably, withiThe pitch of the slit corresponding to the column picture element IP i And with the firstiPitch of slit corresponding to +1 column of picture element IP i+1Satisfies the following formula:
（1）
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 graded slit grating.
Preferably, withiPitch of slit corresponding to column picture element IIQ i And with the firstiPitch of slit corresponding to +1 column of picture element IIQ i+1Satisfies the following formula:
（2）
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 graded slit grating.
Preferably, withiThe aperture width of the slit corresponding to the column picture element IW i And with the firstiThe aperture width of the slit corresponding to the picture element I in the +1 columnW i+1Satisfies the following formula:
（3）
wherein,P i is as followsiSection of slit corresponding to column picture element IThe distance between the two adjacent plates is equal to each other,lis the viewing distance, the distance between the viewer,tis the thickness of the graded slit grating.
Preferably, withiThe aperture width of the slit corresponding to the column picture element IIV i And with the firstiThe aperture width of the slit corresponding to the +1 column image element IIV i+1Satisfies the following formula:
（4）
wherein,Q i+1is as followsiThe pitch of the slit corresponding to +1 column picture element II,lis the viewing distance, the distance between the viewer,tis the thickness of the graded slit grating.
Preferably, withiThe interval of the slit corresponding to the column picture element IA i Comprises the following steps:
（5）
wherein,tis the thickness of the gradual-change slit grating,P i is as followsiThe pitch of the slit corresponding to the column picture element I,W i is as followsiThe aperture width of the slit corresponding to the column picture element I,gis the distance between the display screen and the gradual change slit grating,nis the number of groups of the sub-slit grating.
Preferably, withiThe interval of the slit corresponding to the column picture element IIB i Comprises the following steps:
（6）
wherein,tis the thickness of the gradual-change slit grating,Q i is as followsiThe pitch of the slit corresponding to the column picture element II,V i is as followsiThe aperture width of the slit corresponding to the column picture element II,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 IR 1Is composed of
（7）
Wherein,mis the number of picture elements I in the sub-micro picture array I,P i is as followsiThe pitch of the slit corresponding to the column picture element I,W i is as followsiThe aperture width of the slit corresponding to the column picture element I,A i is as followsiThe interval of the slits corresponding to the column picture elements I,nis the number of groups of the sub-slit grating.
Preferably, the horizontal resolution of the 3D image IIR 2Is composed of
（8）
Wherein,sis the number of picture elements II in the sub-microimage array II,Q i is as followsiThe pitch of the slit corresponding to the column picture element II,V i is as followsiThe aperture width of the slit corresponding to the column picture element II,B i is as followsiThe pitch of the slits corresponding to the column picture elements II,nis the number of groups of the sub-slit grating.
The distance between the display screen and the gradient slit grating is 8mm, the number of image elements I is 2, the number of image elements II is 2, the number of groups of sub-slit gratings is 3, the thickness of the gradient slit grating is 1mm, the viewing distance is 233mm, the pitch of the slit corresponding to the image element I in column 1 is 20mm, the aperture width of the slit corresponding to the image element in column 1 is 1mm, the pitch of the slit corresponding to the image element II in column 1 is 18.68mm, the aperture width of the slit corresponding to the image element II in column 1 is 0.83mm, the pitches of the slit corresponding to the image element I in column 1 and column ~ in column ~ are respectively 20mm and 18.68mm calculated by the formula (1), the pitches of the slit corresponding to the image element II in column 1 ~ are respectively 18.68mm and 20mm calculated by the formula (2), the aperture widths of the slit corresponding to the image element I in column 1 are respectively 1mm and 18.83 mm, the resolution of the image element II in column 3mm, the image element II in column 3 is calculated by the resolution of the image element II in column 3mm, the image element II in the horizontal direction is 3mm, the image element II in the horizontal direction calculated by the resolution of the formula (3) and the resolution of the image element II) is calculated by the resolution of the conventional image element 3mm, the resolution of the image element II, the image element II in the image element 3, the image element II, the image element.
Claims (10)
1. The one-dimensional integrated imaging double-view 3D display device is characterized by comprising a display screen, a polaroid, a gradient slit grating, a pair of polarized glasses I and a pair of polarized glasses II; the display screen is used for displaying the micro-image array, and the micro-image array consists of a sub-micro-image array I and a sub-micro-image array II; the polaroid is attached to the display screen and is positioned between the display screen and the gradient slit grating; the polaroid consists of a sub-polaroid I and a sub-polaroid II, and the polarization directions of the sub-polaroid I and the sub-polaroid II are orthogonal; the sub micro image array I is correspondingly aligned with the sub polarizing film I, and the sub micro image array II is correspondingly aligned with the sub polarizing film II; the gradual change slit grating is arranged in front of the polaroid in parallel and is correspondingly aligned; the gradual change slit grating comprises a plurality of groups of sub-slit gratings; 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 polarization direction of the polarization glasses I is the same as that of the sub-polaroid I, and the polarization direction of the polarization glasses II is the same as that of the sub-polaroid II; the sub micro image array I reconstructs a plurality of 3D images I through a plurality of groups of sub slit gratings, and the 3D images I are combined into a high-resolution 3D image I in a viewing area and can be seen only through polarized glasses I; the sub micro image array II reconstructs a plurality of 3D images II through a plurality of groups of sub slit gratings, and the 3D images II are combined into a high-resolution 3D image II in a viewing area and can be seen only through a polarized glasses II.
2. The one-dimensional integrated imaging dual-view 3D display device according to claim 1, wherein the number of slits in each group of sub-slit gratings is equal to the sum of the number of image elements I and II in the micro-image array; the pitches of a plurality of slits corresponding to the same image element I are equal to the pitch of the image element I; the pitches of a plurality of slits corresponding to the same image element II are all equal to the pitch of the image element II; the aperture widths of a plurality of slits corresponding to the same image element I are the same; the aperture widths of a plurality of slits corresponding to the same image element II are the same; a plurality of slits corresponding to the same image element I are symmetrical by taking the center of the image element I as a center; a plurality of slits corresponding to the same image element II are symmetrical by taking the center of the image element II as a center; the pitches of a plurality of slits corresponding to the same image element I are the same; the pitches of the plurality of slits corresponding to the same picture element II are all the same.
3. The one-dimensional integrated imaging dual-view 3D display device according to claim 2, wherein the first and second image sensors are arranged in paralleliThe pitch of the slit corresponding to the column picture element IP i And with the firstiPitch of slit corresponding to +1 column of picture element IP 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 graded slit grating.
4. The one-dimensional integrated imaging dual-view 3D display device according to claim 2, wherein the first and second image sensors are arranged in paralleliPitch of slit corresponding to column picture element IIQ i And with the firstiPitch of slit corresponding to +1 column of picture element IIQ 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 gradually increasedThe thickness of the slit grating is changed.
5. The one-dimensional integrated imaging dual-view 3D display device according to claim 2, wherein the first and second image sensors are arranged in paralleliThe aperture width of the slit corresponding to the column picture element IW i And with the firstiThe aperture width of the slit corresponding to the picture element I in the +1 columnW i+1Satisfies the following formula:
wherein,P i is as followsiThe pitch of the slit corresponding to the column picture element I,lis the viewing distance, the distance between the viewer,tis the thickness of the graded slit grating.
6. The one-dimensional integrated imaging dual-view 3D display device according to claim 2, wherein the first and second image sensors are arranged in paralleliThe aperture width of the slit corresponding to the column picture element IIV i And with the firstiThe aperture width of the slit corresponding to the +1 column image element IIV i+1Satisfies the following formula:
wherein,Q i+1is as followsiThe pitch of the slit corresponding to +1 column picture element II,lis the viewing distance, the distance between the viewer,tis the thickness of the graded slit grating.
7. The one-dimensional integrated imaging dual-view 3D display device according to claim 2,
and a firstiThe interval of the slit corresponding to the column picture element IA i Comprises the following steps:
wherein,tis gradually narrowedThe thickness of the slit grating is such that,P i is as followsiThe pitch of the slit corresponding to the column picture element I,W i is as followsiThe aperture width of the slit corresponding to the column picture element I,gis the distance between the display screen and the gradual change slit grating,nis the number of groups of the sub-slit grating.
8. The one-dimensional integrated imaging dual-view 3D display device according to claim 2, wherein the first and second image sensors are arranged in paralleliThe interval of the slit corresponding to the column picture element IIB i Comprises the following steps:
wherein,tis the thickness of the gradual-change slit grating,Q i is as followsiThe pitch of the slit corresponding to the column picture element II,V i is as followsiThe aperture width of the slit corresponding to the column picture element II,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 2, wherein the horizontal resolution of the 3D image IR 1Is composed of
Wherein,mis the number of picture elements I in the sub-micro picture array I,P i is as followsiThe pitch of the slit corresponding to the column picture element I,W i is as followsiThe aperture width of the slit corresponding to the column picture element I,A i is as followsiThe interval of the slits corresponding to the column picture elements I,nis the number of groups of the sub-slit grating.
10. The one-dimensional integrated imaging dual view 3D display device according to claim 2, wherein the 3D image is a 3D imageII horizontal resolutionR 2Is composed of
Wherein,sis the number of picture elements II in the sub-microimage array II,Q i is as followsiThe pitch of the slit corresponding to the column picture element II,V i is as followsiThe aperture width of the slit corresponding to the column picture element II,B i is as followsiThe pitch of the slits corresponding to the column picture elements II,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 |
|---|---|---|---|---|
| CN110208955A (en) * | 2019-05-25 | 2019-09-06 | 成都工业学院 | One-dimensional integrated imaging double vision 3D display device |
| CN115016135A (en) * | 2022-05-18 | 2022-09-06 | 成都工业学院 | Wide-viewing-angle double-view 3D display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208955A (en) * | 2019-05-25 | 2019-09-06 | 成都工业学院 | One-dimensional integrated imaging double vision 3D display device |
| CN110208955B (en) * | 2019-05-25 | 2024-03-08 | 成都航空职业技术学院 | One-dimensional integrated imaging double-vision 3D display device |
| CN115016135A (en) * | 2022-05-18 | 2022-09-06 | 成都工业学院 | Wide-viewing-angle double-view 3D display device |
| CN115016135B (en) * | 2022-05-18 | 2024-05-07 | 成都工业学院 | Dual-view 3D display device with wide view angle |
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