CN208861076U - A kind of one-dimensional integrated imaging 3D display device - Google Patents
A kind of one-dimensional integrated imaging 3D display device Download PDFInfo
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- CN208861076U CN208861076U CN201821913129.1U CN201821913129U CN208861076U CN 208861076 U CN208861076 U CN 208861076U CN 201821913129 U CN201821913129 U CN 201821913129U CN 208861076 U CN208861076 U CN 208861076U
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- 238000003384 imaging method Methods 0.000 title claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 11
- 241001000340 Sitticus Species 0.000 claims description 3
- 239000011295 pitch Substances 0.000 description 20
- 238000005516 engineering process Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of one-dimensional integrated imaging 3D display devices, including display screen and gradual change grating；Gradual change grating and display screen are placed in parallel, and corresponding alignment；In gradual change grating, the thickness of slit is identical, and the pitch of the slit of any one column is identical, and the aperture of the slit of any one column is identical, and the pitch of gradual change grating and aperture are gradually increased from centre to both sides；In gradual change grating, the pitch of each column slit and the ratio of its aperture are all the same, and the optical efficiency of each column slit is all the same.
Description
Technical Field
The utility model relates to an integrated formation of image 3D shows, more specifically says, the utility model relates to a one-dimensional integrated formation of image 3D display device.
Background
The one-dimensional integrated imaging 3D display technology is a true 3D display technology without any vision-aid equipment. The technology has the characteristics of naked eye viewing and high resolution, the recording and displaying processes are relatively simple, and the technology can display full true color stereo images, and is one of hot spot technologies of 3D display at present. However, the viewing angle is one of the main factors that restrict one-dimensional integrated imaging 3D display. In the conventional gradient pitch grating, the aperture widths of all the slits are the same, the pitches of the slits in the same column are the same, and the pitches of the slits are gradually increased from the middle to the two sides. Thus, the use of a graded-pitch grating may increase the viewing angle. However, in conventional integrated imaging 3D displays based on a graded-pitch grating, the optical efficiency gradually decreases from the middle to both sides.
Disclosure of Invention
The utility model provides a one-dimensional integrated imaging 3D display device, as shown in figure 1, which is characterized in that the device comprises a display screen and a gradual grating; the gradual change grating and the display screen are arranged in parallel and are correspondingly aligned; the display screen is used for displaying image elements, and the image elements correspond to and are aligned with the slits in the gradient grating; in the gradient grating, the thickness of the slits is the same, the pitch of the slits in any row is the same, the aperture width of the slits in any row is the same, and the pitch and the aperture width of the gradient grating are gradually increased from the middle to two sides; in the gradient grating, the ratio of the pitch of each row of slits to the aperture width of each row of slits is the same, so that the optical efficiency of each row of slits is the same; optical efficiency of each column of slits of one-dimensional integrated imaging 3D display deviceφAll are as follows:
（1）
wherein,pto be located at the center of the gradual change gratingThe pitch of the slits of (a) is,wthe aperture width of the slit at the center of the gradient grating,gthe distance between the gradual change grating and the display screen,tthe thickness of the grating is gradually changed.
As the preferred scheme of the utility model, the gradual change grating isiPitch of column slitH i And a firstiAperture width of column slitA i Respectively as follows:
（2）
（3）
wherein,iis less than or equal tomIs a positive integer of (a) to (b),pthe pitch of the slit at the center of the graded grating,wthe aperture width of the slit at the center of the gradient grating,lin order to be able to view the distance,gthe distance between the gradual change grating and the display screen,mthe number of the slits in the gradient grating is shown.
Compared with the prior art, the beneficial effects of the utility model are that: the one-dimensional integrated imaging 3D display device reasonably sets the ratio of the pitch and the aperture width of the gradient grating, and enables the optical efficiency of each row of slits to be the same under the condition that the thickness of the slits is uniform.
Drawings
FIG. 1 is the structure and parameter diagram of the one-dimensional integrated imaging 3D display device of the present invention
The reference numbers in the figures are:
1. display screen, 2, gradual change grating.
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 a one-dimensional integrated imaging 3D display device in detail, and the present invention 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 3D display device, as shown in figure 1, which is characterized in that the device comprises a display screen and a gradual grating; the gradual change grating and the display screen are arranged in parallel and are correspondingly aligned; the display screen is used for displaying image elements, and the image elements correspond to and are aligned with the slits in the gradient grating; in the gradient grating, the thickness of the slits is the same, the pitch of the slits in any row is the same, the aperture width of the slits in any row is the same, and the pitch and the aperture width of the gradient grating are gradually increased from the middle to two sides; in the gradient grating, the ratio of the pitch of each row of slits to the aperture width of each row of slits is the same, so that the optical efficiency of each row of slits is the same; optical efficiency of each column of slits of one-dimensional integrated imaging 3D display deviceφAll are as follows:
（1）
wherein,pthe pitch of the slit at the center of the graded grating,wthe aperture width of the slit at the center of the gradient grating,gthe distance between the gradual change grating and the display screen,tthe thickness of the grating is gradually changed.
As the preferred scheme of the utility model, the gradual change grating isiPitch of column slitH i And a firstiAperture width of column slitA i Respectively as follows:
（2）
（3）
wherein,iis less than or equal tomIs a positive integer of (a) to (b),pthe pitch of the slit at the center of the graded grating,wthe aperture width of the slit at the center of the gradient grating,lin order to be able to view the distance,gthe distance between the gradual change grating and the display screen,mthe number of the slits in the gradient grating is shown.
The micro-image and the gradient grating both comprise 5 units, and the pitch of the slit positioned at the center of the gradient grating isp=3mm, the aperture width of the slit at the center of the gradient grating isw=1mm, viewing distancel=102mm, the distance between the gradual change grating and the display screen isg=2mm, the thickness of the gradient grating istIf the thickness is not less than 1mm, the optical efficiency of the 1 st to 5 th rows of slits is 25% calculated by the formula (1); calculating the pitches of the 1 st to 5 th rows of slits to be 3.24mm, 3.12mm, 3mm, 3.12mm and 3.24mm respectively according to the formula (2); the aperture widths of the slits in the 1 st to 5 th rows calculated by the formula (3) are 1.08mm, 1.04mm, 1mm, 1.04mm and 1.08mm, respectively. In the integrated imaging 3D display of the traditional gradient grating based on the parameters, the optical efficiency of the 1 st to 5 th rows of slits is 22%, 23.5%, 25%, 23.5% and 22% respectively.
Claims (2)
1. A one-dimensional integrated imaging 3D display device comprises a display screen and a gradient grating; the gradual change grating and the display screen are arranged in parallel and are correspondingly aligned; the display screen is used for displaying image elements, and the image elements correspond to and are aligned with the slits in the gradient grating; in the gradient grating, the thickness of the slits is the same, the pitch of the slits in any row is the same, the aperture width of the slits in any row is the same, and the pitch and the aperture width of the gradient grating are gradually increased from the middle to two sides; in a graded grating, the ratio of the pitch of each row of slits to the aperture width is the same, and thus, the optical effect of each row of slitsThe rates are all the same; optical efficiency of each column of slits of one-dimensional integrated imaging 3D display deviceφAll are as follows:
wherein,pthe pitch of the slit at the center of the graded grating,wthe aperture width of the slit at the center of the gradient grating,gthe distance between the gradual change grating and the display screen,tthe thickness of the grating is gradually changed.
2. The one-dimensional integrated imaging 3D display device according to claim 1, wherein the gradient grating is a first gratingiPitch of column slitH i And a firstiAperture width of column slitA i Respectively as follows:
wherein,iis less than or equal tomIs a positive integer of (a) to (b),pthe pitch of the slit at the center of the graded grating,wthe aperture width of the slit at the center of the gradient grating,lin order to be able to view the distance,gthe distance between the gradual change grating and the display screen,mthe number of the slits in the gradient grating is shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821913129.1U CN208861076U (en) | 2018-11-20 | 2018-11-20 | A kind of one-dimensional integrated imaging 3D display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821913129.1U CN208861076U (en) | 2018-11-20 | 2018-11-20 | A kind of one-dimensional integrated imaging 3D display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254411A (en) * | 2018-11-20 | 2019-01-22 | 成都工业学院 | A kind of one-dimensional integrated imaging 3D display device |
| 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 |
| CN110297334A (en) * | 2019-07-28 | 2019-10-01 | 成都工业学院 | Integration imaging 3D display device based on gradual change rectangle pinhole array |
-
2018
- 2018-11-20 CN CN201821913129.1U patent/CN208861076U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254411A (en) * | 2018-11-20 | 2019-01-22 | 成都工业学院 | A kind of one-dimensional integrated imaging 3D display device |
| CN109254411B (en) * | 2018-11-20 | 2023-09-22 | 成都航空职业技术学院 | One-dimensional integrated imaging 3D display device |
| 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 |
| CN110297334A (en) * | 2019-07-28 | 2019-10-01 | 成都工业学院 | Integration imaging 3D display device based on gradual change rectangle pinhole array |
| CN110297334B (en) * | 2019-07-28 | 2024-05-28 | 深圳市八方同创科技有限公司 | Integrated imaging 3D display device based on gradual change rectangle pinhole array |
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