CN110095875A - A kind of one-dimensional integrated imaging double vision 3D display device - Google Patents
A kind of one-dimensional integrated imaging double vision 3D display device Download PDFInfo
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- CN110095875A CN110095875A CN201910442399.1A CN201910442399A CN110095875A CN 110095875 A CN110095875 A CN 110095875A CN 201910442399 A CN201910442399 A CN 201910442399A CN 110095875 A CN110095875 A CN 110095875A
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- 208000003164 Diplopia Diseases 0.000 title claims abstract description 20
- 208000029444 double vision Diseases 0.000 title claims abstract description 20
- 238000003384 imaging method Methods 0.000 title claims abstract description 20
- 230000010287 polarization Effects 0.000 claims abstract description 58
- 238000009877 rendering Methods 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 24
- 239000011159 matrix material Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 2
- 239000011295 pitch Substances 0.000 claims 20
- 238000010586 diagram Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 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
- G02B30/22—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
Abstract
The invention discloses a kind of one-dimensional integrated imaging double vision 3D display device, including display screen, gradual change pitch polarization grating, gradual change slit grating, polarising glass 1 and polarising glass 2；In gradual change pitch polarization grating, the pitch of polarization unit 1 is gradually increased from centre to both sides, and the pitch of polarization unit 2 is gradually increased from centre to both sides；In every group of sub- slit grating, the pitch and aperture of slit are gradually increased from centre to both sides；Image primitive 1 reconstructs multiple 3D renderings 1 by the sub- slit grating of multiple groups, 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 the sub- slit grating of multiple groups, 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 a kind of one-dimensional integrated imaging double vision 3D display device.
Background technique
One-dimensional integrated imaging double vision 3D display is the fusion of double vision display technology and one-dimensional integrated imaging 3D display technology.It
Viewer can be made to see different 3D pictures on different view directions.But existing one-dimensional integrated imaging double vision
There are the bottleneck problems of lack of resolution for 3D display, have seriously affected the experience of viewer.
Summary of the invention
The invention proposes a kind of one-dimensional integrated imaging double vision 3D display devices, as shown in Fig. 1, which is characterized in that packet
Include display screen, gradual change pitch polarization grating, gradual change slit grating, polarising glass 1 and polarising glass 2；Gradual change pitch polarization grating
It is bonded with display screen, and between display screen and gradual change slit grating；Gradual change slit grating is placed in parallel inclined in gradual change pitch
Shake grating front, and corresponding alignment；Display screen is for showing that micro- pattern matrix, micro- pattern matrix are handed over by image primitive 1 and image primitive 2
For rearranging, as shown in Fig. 2；Gradual change slit grating includes the sub- slit grating of multiple groups, as shown in Fig. 3；Gradual change pitch is inclined
Vibration grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2, and polarization unit 1 is orthogonal with the polarization direction of polarization unit 2,
As shown in Fig. 4；The polarization direction of polarising glass 1 is identical as polarization unit 1, the polarization direction of polarising glass 2 and polarization unit 2
It is identical；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, as shown in Fig. 5；In gradual change
In pitch polarization grating, the pitch of polarization unit 1 is gradually increased from centre to both sides, and the pitch of polarization unit 2 is from centre to two
While being gradually increased；In every group of sub- slit grating, the pitch and aperture of slit are gradually increased from centre to both sides；Image
Member 1 reconstructs multiple 3D renderings 1 by the sub- slit grating of multiple groups, and is merged into a high-resolution 3D rendering 1 in viewing areas,
And it can only be seen by polarising glass 1；Image primitive 2 reconstructs multiple 3D renderings 2 by the sub- slit grating of multiple groups, and in viewing area
Domain is merged into a high-resolution 3D rendering 2, and can only be seen by polarising glass 2.
Preferably, the number of image primitive 1 is equal to the number of image primitive 2.
Preferably, the number of slit is equal to twice of number of image primitive 1 in micro- pattern matrix in every group of sub- slit grating.
Preferably, the pitch of multiple slits corresponding with same image primitive 1 is equal to the pitch of the image primitive 1, and same
The aperture of the corresponding multiple slits of image primitive 1 is all the same；The pitch of multiple slits corresponding with same image primitive 2 is equal to
The aperture of the pitch of the image primitive 2, multiple slits corresponding with same image primitive 2 is all the same.
Preferably, withiThe pitch of the corresponding slit of column image primitive 1 is equal to and theiThe section of the corresponding slit of column image primitive 2
Away fromiThe pitch of the corresponding slit of column image primitive 1P i With withiThe pitch of the corresponding slit of+1 column image primitive 1P i+1Meet
Following formula:
(1)
Wherein,lIt is viewing distance,gIt is the spacing of display screen Yu gradual change slit grating,tIt is the thickness of gradual change slit grating,mIt is
The number of image primitive 1 in micro- pattern matrix.
Preferably, withiThe aperture of the corresponding slit of column image primitive 1 is equal to and theiThe corresponding slit of column image primitive 2
Aperture, withiThe aperture of the corresponding slit of column image primitive 1W i With withiThe corresponding slit of+1 column image primitive 1
ApertureW i+1Meet following formula:
(2)
Wherein,P i It is andiThe pitch of the corresponding slit of column image primitive 1,P i+1It is andiThe corresponding slit of+1 column image primitive 1
Pitch,lIt is viewing distance,tIt is the thickness of gradual change slit grating,mIt is the number of image primitive 1 in micro- pattern matrix.
Preferably, the spacing of multiple slits corresponding with same image primitive 1 is all the same；It is corresponding more with same image primitive 2
The spacing of a slit is all the same；Multiple slits corresponding with same image primitive 1 are symmetrical centered on the center of the image primitive 1；With
The corresponding multiple slits of same image primitive 2 are symmetrical centered on the center of the image primitive 2.
Preferably, withiThe spacing of the corresponding slit of column image primitive 1 is equal to and theiBetween the corresponding slit of column image primitive 2
Away fromiThe spacing of the corresponding slit of column image primitive 1B i Are as follows:
(3)
Wherein,tIt is the thickness of gradual change slit grating,P i It is andiThe pitch of the corresponding slit of column image primitive 1,W i It is andiColumn
The aperture of the corresponding slit of image primitive 1,gIt is the spacing of display screen Yu gradual change slit grating,nIt is the group of sub- slit grating
Number.
Preferably, the horizontal resolution of 3D rendering 1r 1For
(4)
The horizontal resolution of 3D rendering 2r 2For
(5)
Wherein,mIt is the number of image primitive 1 in micro- pattern matrix,P i It is andiThe pitch of the corresponding slit of column image primitive 1,W i It is
WithiThe aperture of the corresponding slit of column image primitive 1,B i It is andiThe spacing of the corresponding slit of column image primitive 1,nIt is that son is narrow
Stitch the group number of grating.
Detailed description of the invention
Accompanying drawing 1 is the structural representation of the present invention
Attached drawing 2 is the schematic diagram of micro- pattern matrix of the invention
Attached drawing 3 is the structural schematic diagram of gradual change slit grating of the invention
Attached drawing 4 is the structural schematic diagram of gradual change pitch polarization grating of the invention
Attached drawing 5 is the principle of the present invention and parameter schematic diagram
Shown by reference numeral in above-mentioned attached drawing are as follows:
1. display screen, 2. gradual change pitch polarization gratings, 3. gradual change slit gratings, 4. polarising glass, 1,5. polarising glass 2,6.
Sub- slit grating, 7 polarization unit, 1,8. polarization unit, 2,9. image primitive, 1,10. image primitive 2.
It should be understood that above-mentioned attached drawing is only schematical, it is not drawn to draw.
Specific embodiment
It is right the following detailed description of an a kind of exemplary embodiments of one-dimensional integrated imaging double vision 3D display device of the invention
The present invention is further described specifically.It is done further it is necessarily pointed out that following embodiment is served only for the present invention
Explanation, should not be understood as limiting the scope of the invention, field person skilled in the art is according to aforementioned present invention content
Some nonessential modifications and adaptations are made to the present invention, still fall within protection scope of the present invention.
The invention proposes a kind of one-dimensional integrated imaging double vision 3D display devices, as shown in Fig. 1, which is characterized in that packet
Include display screen, gradual change pitch polarization grating, gradual change slit grating, polarising glass 1 and polarising glass 2；Gradual change pitch polarization grating
It is bonded with display screen, and between display screen and gradual change slit grating；Gradual change slit grating is placed in parallel inclined in gradual change pitch
Shake grating front, and corresponding alignment；Display screen is for showing that micro- pattern matrix, micro- pattern matrix are handed over by image primitive 1 and image primitive 2
For rearranging, as shown in Fig. 2；Gradual change slit grating includes the sub- slit grating of multiple groups, as shown in Fig. 3；Gradual change pitch is inclined
Vibration grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2, and polarization unit 1 is orthogonal with the polarization direction of polarization unit 2,
As shown in Fig. 4；The polarization direction of polarising glass 1 is identical as polarization unit 1, the polarization direction of polarising glass 2 and polarization unit 2
It is identical；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, as shown in Fig. 5；In gradual change
In pitch polarization grating, the pitch of polarization unit 1 is gradually increased from centre to both sides, and the pitch of polarization unit 2 is from centre to two
While being gradually increased；In every group of sub- slit grating, the pitch and aperture of slit are gradually increased from centre to both sides；Image
Member 1 reconstructs multiple 3D renderings 1 by the sub- slit grating of multiple groups, and is merged into a high-resolution 3D rendering 1 in viewing areas,
And it can only be seen by polarising glass 1；Image primitive 2 reconstructs multiple 3D renderings 2 by the sub- slit grating of multiple groups, and in viewing area
Domain is merged into a high-resolution 3D rendering 2, and can only be seen by polarising glass 2.
Preferably, the number of image primitive 1 is equal to the number of image primitive 2.
Preferably, the number of slit is equal to twice of number of image primitive 1 in micro- pattern matrix in every group of sub- slit grating.
Preferably, the pitch of multiple slits corresponding with same image primitive 1 is equal to the pitch of the image primitive 1, and same
The aperture of the corresponding multiple slits of image primitive 1 is all the same；The pitch of multiple slits corresponding with same image primitive 2 is equal to
The aperture of the pitch of the image primitive 2, multiple slits corresponding with same image primitive 2 is all the same.
Preferably, withiThe pitch of the corresponding slit of column image primitive 1 is equal to and theiThe section of the corresponding slit of column image primitive 2
Away fromiThe pitch of the corresponding slit of column image primitive 1P i With withiThe pitch of the corresponding slit of+1 column image primitive 1P i+1Meet
Following formula:
(1)
Wherein,lIt is viewing distance,gIt is the spacing of display screen Yu gradual change slit grating,tIt is the thickness of gradual change slit grating,mIt is
The number of image primitive 1 in micro- pattern matrix.
Preferably, withiThe aperture of the corresponding slit of column image primitive 1 is equal to and theiThe corresponding slit of column image primitive 2
Aperture, withiThe aperture of the corresponding slit of column image primitive 1W i With withiThe corresponding slit of+1 column image primitive 1
ApertureW i+1Meet following formula:
(2)
Wherein,P i It is andiThe pitch of the corresponding slit of column image primitive 1,P i+1It is andiThe corresponding slit of+1 column image primitive 1
Pitch,lIt is viewing distance,tIt is the thickness of gradual change slit grating,mIt is the number of image primitive 1 in micro- pattern matrix.
Preferably, the spacing of multiple slits corresponding with same image primitive 1 is all the same；It is corresponding more with same image primitive 2
The spacing of a slit is all the same；Multiple slits corresponding with same image primitive 1 are symmetrical centered on the center of the image primitive 1；With
The corresponding multiple slits of same image primitive 2 are symmetrical centered on the center of the image primitive 2.
Preferably, withiThe spacing of the corresponding slit of column image primitive 1 is equal to and theiBetween the corresponding slit of column image primitive 2
Away fromiThe spacing of the corresponding slit of column image primitive 1B i Are as follows:
(3)
Wherein,tIt is the thickness of gradual change slit grating,P i It is andiThe pitch of the corresponding slit of column image primitive 1,W i It is andiColumn
The aperture of the corresponding slit of image primitive 1,gIt is the spacing of display screen Yu gradual change slit grating,nIt is the group of sub- slit grating
Number.
Preferably, the horizontal resolution of 3D rendering 1r 1For
(4)
The horizontal resolution of 3D rendering 2r 2For
(5)
Wherein,mIt is the number of image primitive 1 in micro- pattern matrix,P i It is andiThe pitch of the corresponding slit of column image primitive 1,W i It is
WithiThe aperture of the corresponding slit of column image primitive 1,B i It is andiThe spacing of the corresponding slit of column image primitive 1,nIt is that son is narrow
Stitch the group number of grating.
The spacing of display screen and gradual change slit grating is 8mm, and the number of image primitive 1 is 4, and the number of image primitive 2 is 4, son
The group number of slit grating be 3, gradual change slit grating with a thickness of 1mm, viewing distance 233mm, it is corresponding with the 1st column image primitive
The pitch of slit is 20mm, and the aperture of slit corresponding with the 1st column image primitive is 1mm；Then it is calculated and the by formula (1)
The pitch of the corresponding slit of 1 ~ 4 column image primitive 1 is respectively 20mm, 18.68mm, 18.68mm, 20mm, with the 1st ~ 4 column image primitive 2
The pitch of corresponding slit is respectively 20mm, 18.68mm, 18.68mm, 20mm, is calculated and the 1st ~ 4 column image by formula (2)
The aperture of first 1 corresponding slit is respectively 1mm, 0.83mm, 0.83mm, 1mm, slit corresponding with the 1st ~ 4 column image primitive 2
Aperture be respectively 1mm, 0.83mm, 0.83mm, 1mm, be calculated by formula (3) corresponding narrow with the 1st ~ 4 column image primitive 1
The spacing of seam is respectively 0.5mm, 2.11mm, 2.11mm, 0.5mm, the spacing difference of slit corresponding with the 1st ~ 4 column image primitive 1
For 0.5mm, 2.11mm, 2.11mm, 0.5mm, it is 10 by the horizontal resolution that 3D rendering 1 is calculated in formula (4), is counted by formula (5)
Calculating and obtaining the horizontal resolution of 3D rendering 2 is 10；The 3D rendering of traditional integration imaging double vision 3D display based on above-mentioned parameter
Horizontal resolution is 4.
Claims (9)
1. a kind of one-dimensional integrated imaging double vision 3D display device, which is characterized in that including display screen, gradual change pitch polarization grating,
Gradual change slit grating, polarising glass 1 and polarising glass 2；Gradual change pitch polarization grating is bonded with display screen, and be located at display screen with
Between gradual change slit grating；Gradual change slit grating is placed in parallel in front of gradual change pitch polarization grating, and corresponding alignment；Display screen
For showing that micro- pattern matrix, micro- pattern matrix are alternately arranged and are formed by image primitive 1 and image primitive 2；Gradual change slit grating includes
The sub- slit grating of multiple groups；Gradual change pitch polarization grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2, polarization unit 1 with
The polarization direction of polarization unit 2 is orthogonal；The polarization direction of polarising glass 1 is identical as polarization unit 1, the polarization side of polarising glass 2
To 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；Gradually
In pitches polarization grating, the pitch of polarization unit 1 is gradually increased from centre to both sides, the pitch of polarization unit 2 from centre to
Both sides are gradually increased；In every group of sub- slit grating, the pitch and aperture of slit are gradually increased from centre to both sides；Figure
Pixel 1 reconstructs multiple 3D renderings 1 by the sub- slit grating of multiple groups, and is merged into a high-resolution 3D rendering in viewing areas
1, and can only be seen by polarising glass 1；Image primitive 2 reconstructs multiple 3D renderings 2 by the sub- slit grating of multiple groups, and is watching
Region merging technique can only be seen at a high-resolution 3D rendering 2 by polarising glass 2.
2. a kind of one-dimensional integrated imaging double vision 3D display device according to claim 1, which is characterized in that image primitive 1
Number is equal to the number of image primitive 2.
3. a kind of one-dimensional integrated imaging double vision 3D display device according to claim 1, which is characterized in that every group of sub- slit
The number of slit is equal to twice of the number of image primitive 1 in micro- pattern matrix in grating.
4. a kind of one-dimensional integrated imaging double vision 3D display device according to claim 1, which is characterized in that with same image
The pitch of first 1 corresponding multiple slits is equal to the pitch of the image primitive 1, the hole of multiple slits corresponding with same image primitive 1
Diameter width is all the same；The pitch of multiple slits corresponding with same image primitive 2 is equal to the pitch of the image primitive 2, with same figure
The aperture of the corresponding multiple slits of pixel 2 is all the same.
5. a kind of one-dimensional integrated imaging double vision 3D display device according to claim 4, which is characterized in that withiColumn figure
The pitch of the corresponding slit of pixel 1 is equal to and theiThe pitch of the corresponding slit of column image primitive 2, withiColumn image primitive 1 is corresponding
The pitch of slitP i With withiThe pitch of the corresponding slit of+1 column image primitive 1P i+1Meet following formula:
Wherein,lIt is viewing distance,gIt is the spacing of display screen Yu gradual change slit grating,tIt is the thickness of gradual change slit grating,mIt is
The number of image primitive 1 in micro- pattern matrix.
6. a kind of one-dimensional integrated imaging double vision 3D display device according to claim 4, which is characterized in that withiColumn figure
The aperture of the corresponding slit of pixel 1 is equal to and theiThe aperture of the corresponding slit of column image primitive 2, withiColumn image primitive
The aperture of 1 corresponding slitW i With withiThe aperture of the corresponding slit of+1 column image primitive 1W i+1Meet following formula:
Wherein,P i It is andiThe pitch of the corresponding slit of column image primitive 1,P i+1It is andiThe corresponding slit of+1 column image primitive 1
Pitch,lIt is viewing distance,tIt is the thickness of gradual change slit grating,mIt is the number of image primitive 1 in micro- pattern matrix.
7. a kind of one-dimensional integrated imaging double vision 3D display device according to claim 1, which is characterized in that
The spacing of multiple slits corresponding with same image primitive 1 is all the same；The spacing of multiple slits corresponding with same image primitive 2
It is all the same；Multiple slits corresponding with same image primitive 1 are symmetrical centered on the center of the image primitive 1；It is right with same image primitive 2
The multiple slits answered are symmetrical centered on the center of the image primitive 2.
8. a kind of one-dimensional integrated imaging double vision 3D display device according to claim 7, which is characterized in that withiColumn figure
The spacing of the corresponding slit of pixel 1 is equal to and theiThe spacing of the corresponding slit of column image primitive 2, withiColumn image primitive 1 is corresponding
The spacing of slitB i Are as follows:
Wherein,tIt is the thickness of gradual change slit grating,P i It is andiThe pitch of the corresponding slit of column image primitive 1,W i It is andiColumn
The aperture of the corresponding slit of image primitive 1,gIt is the spacing of display screen Yu gradual change slit grating,nIt is the group of sub- slit grating
Number.
9. a kind of one-dimensional integrated imaging double vision 3D display device according to claim 1, which is characterized in that 3D rendering 1
Horizontal resolutionr 1For
The horizontal resolution of 3D rendering 2r 2For
Wherein,mIt is the number of image primitive 1 in micro- pattern matrix,P i It is andiThe pitch of the corresponding slit of column image primitive 1,W i It is
WithiThe aperture of the corresponding slit of column image primitive 1,B i It is andiThe spacing of the corresponding slit of column image primitive 1,nIt is that son is narrow
Stitch the group number of grating.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703176A (en) * | 2021-09-11 | 2021-11-26 | 成都工业学院 | 3D display device based on gradual change composite slit grating |
| CN113741051A (en) * | 2021-09-11 | 2021-12-03 | 成都工业学院 | 3D display device with high imaging efficiency and wide viewing angle |
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