CN209728342U - One-dimensional integrated imaging 3D display device based on gradual change slit grating - Google Patents
One-dimensional integrated imaging 3D display device based on gradual change slit grating Download PDFInfo
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- CN209728342U CN209728342U CN201920762266.8U CN201920762266U CN209728342U CN 209728342 U CN209728342 U CN 209728342U CN 201920762266 U CN201920762266 U CN 201920762266U CN 209728342 U CN209728342 U CN 209728342U
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- slit grating
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Abstract
The utility model discloses the one-dimensional integrated imaging 3D display devices based on gradual change slit grating, including display screen and gradual change slit grating；Gradual change slit grating includes the sub- slit grating of multiple groups；The number of slit is equal to the number of image primitive in micro- pattern matrix in every group of sub- slit grating；The pitch and aperture of slit are gradually increased from centre to both sides；The pitch of multiple slits corresponding with same image primitive is equal to the pitch of the image primitive；The aperture of multiple slits corresponding with same image primitive is all the same；The spacing of multiple slits corresponding with same image primitive is all the same；Multiple slits corresponding with same image primitive are symmetrical centered on the center of the image primitive；Micro- pattern matrix passes through the sub- slit grating of multiple groups respectively and rebuilds multiple 3D renderings, and is merged into a high-resolution 3D rendering in viewing areas.
Description
Technical field
The utility model relates to 3D displays, and more specifically, the utility model relates to based on the one-dimensional of gradual change slit grating
Integration imaging 3D display device.
Background technique
One-dimensional integrated imaging 3D display technology is a kind of without any true 3D display technology for helping view equipment.The technology has
The characteristics of naked eye is watched, the process of recording and displaying is relatively easy, and can show the stereo-picture of authentic color, is current 3D
One of hot spot technology of display.But the bottleneck problem of 3D lack of resolution has seriously affected the experience of viewer, to restrict
The extensive use of one-dimensional integrated imaging 3D display.
Summary of the invention
The utility model proposes the one-dimensional integrated imaging 3D display devices based on gradual change slit grating, as shown in Fig. 1,
It is characterised in that it includes display screen and gradual change slit grating；Gradual change slit grating is placed in parallel in front of display screen, and to reply
Together；Display screen is for showing micro- pattern matrix；Gradual change slit grating includes the sub- slit grating of multiple groups, as shown in Fig. 2；Every group of son
The number of slit is equal to the number of image primitive in micro- pattern matrix in slit grating；In every group of sub- slit grating, the section of slit
Away from being gradually increased from centre to both sides with aperture；The pitch of multiple slits corresponding with same image primitive is equal to the figure
The pitch of pixel；The aperture of multiple slits corresponding with same image primitive is all the same；It is corresponding with same image primitive multiple
The spacing of slit is all the same；Multiple slits corresponding with same image primitive are symmetrical centered on the center of the image primitive；Micro- image
Array passes through the sub- slit grating of multiple groups respectively and rebuilds multiple 3D renderings, and is merged into a high resolution 3 d figure in viewing areas
Picture.
Preferably, withiThe pitch of the corresponding slit of column image primitiveP i With withiThe section of the corresponding slit of+1 column image primitive
Away fromP 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.
Preferably, withiThe aperture of the corresponding slit of column image primitiveW i With withiThe corresponding slit of+1 column image primitive
ApertureW i+1Meet following formula:
(2)
Wherein,P i It is andiThe pitch of the corresponding slit of column image primitive,P i+1It is andiThe corresponding slit of+1 column image primitive
Pitch,lIt is viewing distance,tIt is the thickness of gradual change slit grating,mIt is the number of image primitive.
Preferably, withiThe spacing of the corresponding slit of column image primitiveB 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, W i It is andiThe aperture of the corresponding slit of column image primitive,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 one-dimensional integrated imaging 3D display is
(4)
Wherein,mIt is the number of image primitive,iIt is less than or equal tomPositive integer,P i It is andiColumn image primitive is corresponding narrow
The pitch of seam,W i It is andiThe aperture of the corresponding slit of column image primitive,B i It is andiBetween the corresponding slit of column image primitive
Away from,nIt is the group number of sub- slit grating.
Detailed description of the invention
Attached drawing 1 is the schematic diagram of the one-dimensional integrated imaging 3D display of the utility model
Attached drawing 2 is the schematic diagram of the gradual change slit grating of the utility model
Shown by reference numeral in above-mentioned attached drawing are as follows:
1. display screen, 2. gradual change slit gratings, 3. image primitives, 4. sub- slit gratings.
It should be understood that above-mentioned attached drawing is only schematical, it is not drawn to draw.
Specific embodiment
The following detailed description of the one of the one-dimensional integrated imaging 3D display device based on gradual change slit grating of the utility model
A exemplary embodiments, are further described specifically the utility model.It is necessarily pointed out that following embodiment is only
It is described further for the utility model, should not be understood as the limitation to scope of protection of the utility model, the field technology
Skilled person makes some nonessential modifications and adaptations to the utility model according to above-mentioned the content of the present invention, still falls within this
The protection scope of utility model.
The utility model proposes the one-dimensional integrated imaging 3D display devices based on gradual change slit grating, as shown in Fig. 1,
It is characterised in that it includes display screen and gradual change slit grating；Gradual change slit grating is placed in parallel in front of display screen, and to reply
Together；Display screen is for showing micro- pattern matrix；Gradual change slit grating includes the sub- slit grating of multiple groups, as shown in Fig. 2；Every group of son
The number of slit is equal to the number of image primitive in micro- pattern matrix in slit grating；In every group of sub- slit grating, the section of slit
Away from being gradually increased from centre to both sides with aperture；The pitch of multiple slits corresponding with same image primitive is equal to the figure
The pitch of pixel；The aperture of multiple slits corresponding with same image primitive is all the same；It is corresponding with same image primitive multiple
The spacing of slit is all the same；Multiple slits corresponding with same image primitive are symmetrical centered on the center of the image primitive；Micro- image
Array passes through the sub- slit grating of multiple groups respectively and rebuilds multiple 3D renderings, and is merged into a high resolution 3 d figure in viewing areas
Picture.
Preferably, withiThe pitch of the corresponding slit of column image primitiveP i With withiThe section of the corresponding slit of+1 column image primitive
Away fromP 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.
Preferably, withiThe aperture of the corresponding slit of column image primitiveW i With withiThe corresponding slit of+1 column image primitive
ApertureW i+1Meet following formula:
(2)
Wherein,P i It is andiThe pitch of the corresponding slit of column image primitive,P i+1It is andiThe corresponding slit of+1 column image primitive
Pitch,lIt is viewing distance,tIt is the thickness of gradual change slit grating,mIt is the number of image primitive.
Preferably, withiThe spacing of the corresponding slit of column image primitiveB 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, W i It is andiThe aperture of the corresponding slit of column image primitive,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 one-dimensional integrated imaging 3D display is
(4)
Wherein,mIt is the number of image primitive,iIt is less than or equal tomPositive integer,P i It is andiColumn image primitive is corresponding narrow
The pitch of seam,W i It is andiThe aperture of the corresponding slit of column image primitive,B i It is andiBetween the corresponding slit of column image primitive
Away from,nIt is the group number of sub- slit grating.
The spacing of display screen and gradual change slit grating is 3mm, and the number of image primitive is 11, and the group number of sub- slit grating is 6,
Gradual change slit grating with a thickness of 1mm, viewing distance 496mm, the pitch of slit corresponding with the 1st column image primitive is 20mm,
The aperture of slit corresponding with the 1st column image primitive is 1mm；It is then calculated by formula (1) corresponding with the 1st ~ 11 column image primitive
The pitch of slit be respectively 20mm, 19.86mm, 19.72mm, 19.58mm, 19.44mm, 19.3mm, 19.44mm,
The aperture of slit corresponding with the 1st ~ 11 column image primitive is calculated by formula (2) by 19.58mm, 19.72mm, 19.86mm, 20mm
Width is respectively 1mm, 0.96mm, 0.92mm, 0.88mm, 0.84mm, 0.8mm, 0.84mm, 0.88mm, 0.92mm, 0.96mm,
1mm, the spacing that slit corresponding with the 1st ~ 11 column image primitive is calculated by formula (3) is respectively 1.6mm, 1.67mm, 1.74mm,
One-dimensional collection is calculated by formula (4) in 1.81mm, 1.88mm, 1.95mm, 1.88mm, 1.81mm, 1.74mm, 1.67mm, 1.6mm
Horizontal resolution at imaging 3D display is 22；The horizontal resolution of traditional one-dimensional integration imaging 3D display based on above-mentioned parameter
It is 11.
Claims (5)
1. the one-dimensional integrated imaging 3D display device based on gradual change slit grating, which is characterized in that narrow including display screen and gradual change
Stitch grating；Gradual change slit grating is placed in parallel in front of display screen, and corresponding alignment；Display screen is for showing micro- pattern matrix；
Gradual change slit grating includes the sub- slit grating of multiple groups；The number of slit is equal to image in micro- pattern matrix in every group of sub- slit grating
The number of member；In every group of sub- slit grating, the pitch and aperture of slit are gradually increased from centre to both sides；With it is same
The pitch of the corresponding multiple slits of image primitive is equal to the pitch of the image primitive；The hole of multiple slits corresponding with same image primitive
Diameter width is all the same；The spacing of multiple slits corresponding with same image primitive is all the same；It is corresponding with same image primitive multiple narrow
Seam is symmetrical centered on the center of the image primitive；Micro- pattern matrix passes through the sub- slit grating of multiple groups respectively and rebuilds multiple 3D renderings,
And a high-resolution 3D rendering is merged into viewing areas.
2. the one-dimensional integrated imaging 3D display device according to claim 1 based on gradual change slit grating, which is characterized in that
WithiThe pitch of the corresponding slit of column image primitiveP i With withiThe pitch of the corresponding slit of+1 column image primitiveP 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.
3. the one-dimensional integrated imaging 3D display device according to claim 1 based on gradual change slit grating, which is characterized in that
WithiThe aperture of the corresponding slit of column image primitiveW i With withiThe aperture of the corresponding slit of+1 column image primitiveW i+1It is full
Foot formula:
Wherein,P i It is andiThe pitch of the corresponding slit of column image primitive,P i+1It is andiThe section of the corresponding slit of+1 column image primitive
Away from,lIt is viewing distance,tIt is the thickness of gradual change slit grating,mIt is the number of image primitive.
4. the one-dimensional integrated imaging 3D display device according to claim 1 based on gradual change slit grating, which is characterized in that
WithiThe spacing of the corresponding slit of column image primitiveB 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,W i It is andiColumn figure
The aperture of the corresponding slit of pixel,gIt is the spacing of display screen Yu gradual change slit grating,nIt is the group number of sub- slit grating.
5. the one-dimensional integrated imaging 3D display device according to claim 1 based on gradual change slit grating, which is characterized in that
The horizontal resolution of one-dimensional integrated imaging 3D display is
Wherein,mIt is the number of image primitive,P i It is andiThe pitch of the corresponding slit of column image primitive,W i It is andColumn image primitive pair
The aperture for the slit answered,B i It is andiThe spacing of the corresponding slit of column image primitive,nIt is the group number of sub- slit grating.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110221443A (en) * | 2019-05-25 | 2019-09-10 | 成都工业学院 | One-dimensional integrated imaging 3D display device based on gradual change slit grating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110221443A (en) * | 2019-05-25 | 2019-09-10 | 成都工业学院 | One-dimensional integrated imaging 3D display device based on gradual change slit grating |
| CN110221443B (en) * | 2019-05-25 | 2024-02-23 | 成都航空职业技术学院 | One-dimensional integrated imaging 3D display device based on gradient slit grating |
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