CN109254411A - 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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- CN109254411A CN109254411A CN201811386703.7A CN201811386703A CN109254411A CN 109254411 A CN109254411 A CN 109254411A CN 201811386703 A CN201811386703 A CN 201811386703A CN 109254411 A CN109254411 A CN 109254411A
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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
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- Optics & Photonics (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention 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 present invention relates to integration imaging 3D displays, it is more particularly related to a kind of one-dimensional integrated 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 viewing and high-resolution, the process of recording and displaying is relatively easy, and can show the perspective view of authentic color
Picture is one of the hot spot technology of current 3D display.But viewing visual angle is to restrict the principal element of one-dimensional integrated imaging 3D display
One of.In traditional gradually varying pitch's grating, the aperture of all slits is identical, positioned at the pitch phase of the slit of same row
Together, the pitch of slit is gradually increased from centre to both sides.Therefore, viewing visual angle can be increased using gradually varying pitch's grating.But
In traditional integration imaging 3D display based on gradually varying pitch's grating, optical efficiency is gradually reduced from centre to both sides.
Summary of the invention
The invention proposes a kind of one-dimensional integrated imaging 3D display devices, as shown in Fig. 1, which is characterized in that including aobvious
Display screen and gradual change grating;Gradual change grating and display screen are placed in parallel, and corresponding alignment;Display screen is for showing image primitive, image
Member is corresponding with the slit in gradual change grating and is aligned;In gradual change grating, the thickness of slit is identical, the section of the slit of any one column
Away from identical, the aperture of the slit of any one column is identical, and the pitch of gradual change grating and aperture from centre to both sides by
It is cumulative big;In gradual change grating, the pitch of each column slit and the ratio of its aperture are all the same, therefore, each column slit
Optical efficiency is all the same;The optical efficiency of each column slit of one-dimensional integrated imaging 3D display deviceφAre as follows:
(1)
Wherein,pFor positioned at the pitch of the slit of gradual change raster center position,wFor positioned at the slit of gradual change raster center position
Aperture,gFor the spacing of gradual change grating and display screen,tFor the thickness of gradual change grating.
As the preferred solution of the invention, gradual change gratingiThe pitch of column slitH i WithiThe aperture of column slitA i Point
Not are as follows:
(2)
(3)
Wherein,iFor less than or equal tomPositive integer,pFor positioned at the pitch of the slit of gradual change raster center position,wFor positioned at gradually
The aperture of the slit of darkening grid center,lFor viewing distance,gFor the spacing of gradual change grating and display screen,mFor gradual change
The number of slit in grating.
Compared with prior art, the invention has the benefit that one-dimensional integrated imaging 3D display device, is rationally arranged gradual change
The pitch of grating and the ratio of aperture, under the conditions of slit is in homogeneous thickness, so that the optical efficiency of each column slit is homogeneous
Together.
Detailed description of the invention
Attached drawing 1 is the structure and parameter figure of one-dimensional integrated imaging 3D display device of the invention
Shown by reference numeral in above-mentioned attached drawing are as follows:
1. display screen, 2. gradual change 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 an a kind of exemplary embodiments of one-dimensional integrated imaging 3D display device of the invention, to this hair
It is bright to be further described specifically.It is done further it is necessarily pointed out that following embodiment is served only for the present invention
It is bright, it should not be understood as limiting the scope of the invention, field person skilled in the art is according to aforementioned present invention content to this
Some nonessential modifications and adaptations are made in invention, still fall within protection scope of the present invention.
The invention proposes a kind of one-dimensional integrated imaging 3D display devices, as shown in Fig. 1, which is characterized in that including aobvious
Display screen and gradual change grating;Gradual change grating and display screen are placed in parallel, and corresponding alignment;Display screen is for showing image primitive, image
Member is corresponding with the slit in gradual change grating and is aligned;In gradual change grating, the thickness of slit is identical, the section of the slit of any one column
Away from identical, the aperture of the slit of any one column is identical, and the pitch of gradual change grating and aperture from centre to both sides by
It is cumulative big;In gradual change grating, the pitch of each column slit and the ratio of its aperture are all the same, therefore, each column slit
Optical efficiency is all the same;The optical efficiency of each column slit of one-dimensional integrated imaging 3D display deviceφAre as follows:
(1)
Wherein,pFor positioned at the pitch of the slit of gradual change raster center position,wFor positioned at the slit of gradual change raster center position
Aperture,gFor the spacing of gradual change grating and display screen,tFor the thickness of gradual change grating.
As the preferred solution of the invention, gradual change gratingiThe pitch of column slitH i WithiThe aperture of column slitA i Point
Not are as follows:
(2)
(3)
Wherein,iFor less than or equal tomPositive integer,pFor positioned at the pitch of the slit of gradual change raster center position,wFor positioned at gradually
The aperture of the slit of darkening grid center,lFor viewing distance,gFor the spacing of gradual change grating and display screen,mFor gradual change
The number of slit in grating.
Micro- image and gradual change grating include 5 units, and the pitch positioned at the slit of gradual change raster center position isp=
3mm, the aperture positioned at the slit of gradual change raster center position arew=1mm, viewing distance arel=102mm, gradual change grating with
The spacing of display screen isg=2mm, gradual change grating with a thickness oftThe optics of the 1st ~ 5 column slit is then calculated in=1mm by formula (1)
Efficiency is 25%;It is respectively 3.24mm that the pitch of the 1st ~ 5 column slit, which is calculated, by formula (2), 3.12mm, 3mm, 3.12mm,
3.24mm;It is respectively 1.08mm that the aperture of the 1st ~ 5 column slit, which is calculated, by formula (3), 1.04mm, 1mm, 1.04mm,
1.08mm.In the integration imaging 3D display of traditional gradual change grating based on above-mentioned parameter, the optical efficiency of the 1st ~ 5 column slit is distinguished
It is 22%, 23.5%, 25%, 23.5%, 22%.
Claims (2)
1. a kind of one-dimensional integrated imaging 3D display device, including display screen and gradual change grating;Gradual change grating is parallel with display screen to be put
It sets, and corresponding alignment;For display screen for showing image primitive, image primitive is corresponding with the slit in gradual change grating and is aligned;In gradual change
In 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 and aperture of gradual change grating are gradually increased from centre to both sides;In gradual change grating, the pitch of each column slit
And the ratio of its aperture is all the same, and therefore, the optical efficiency of each column slit is all the same;One-dimensional integrated imaging 3D display device
Each column slit optical efficiencyφAre as follows:
Wherein,pFor positioned at the pitch of the slit of gradual change raster center position,wFor positioned at the slit of gradual change raster center position
Aperture,gFor the spacing of gradual change grating and display screen,tFor the thickness of gradual change grating.
2. a kind of one-dimensional integrated imaging 3D display device according to claim 1, which is characterized in that gradual change gratingiColumn
The pitch of slitH i WithiThe aperture of column slitA i It is respectively as follows:
Wherein,iFor less than or equal tomPositive integer,pFor positioned at the pitch of the slit of gradual change raster center position,wFor positioned at gradually
The aperture of the slit of darkening grid center,lFor viewing distance,gFor the spacing of gradual change grating and display screen,mFor gradual change
The number of slit in grating.
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Cited By (2)
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CN110208955A (en) * | 2019-05-25 | 2019-09-06 | 成都工业学院 | One-dimensional integrated imaging double vision 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 |
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CN105487243A (en) * | 2016-01-21 | 2016-04-13 | 成都工业学院 | One-dimensional integrated imaging 3D display device based on barrier walls and gradient aperture slit gratings |
CN108780165A (en) * | 2016-03-08 | 2018-11-09 | 微软技术许可有限责任公司 | camera lens system based on array |
CN108776388A (en) * | 2018-08-13 | 2018-11-09 | 成都工业学院 | Double vision 3D display device and method based on gradual change slit grating |
CN208861076U (en) * | 2018-11-20 | 2019-05-14 | 成都工业学院 | A kind of one-dimensional integrated imaging 3D display device |
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2018
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CN104460014A (en) * | 2014-12-17 | 2015-03-25 | 成都工业学院 | Integral imaging 3D display device based on gradual change pinhole array |
CN105487243A (en) * | 2016-01-21 | 2016-04-13 | 成都工业学院 | One-dimensional integrated imaging 3D display device based on barrier walls and gradient aperture slit gratings |
CN108780165A (en) * | 2016-03-08 | 2018-11-09 | 微软技术许可有限责任公司 | camera lens system based on array |
CN108776388A (en) * | 2018-08-13 | 2018-11-09 | 成都工业学院 | Double vision 3D display device and method based on gradual change slit grating |
CN208861076U (en) * | 2018-11-20 | 2019-05-14 | 成都工业学院 | A kind of one-dimensional integrated imaging 3D display device |
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CN110208955A (en) * | 2019-05-25 | 2019-09-06 | 成都工业学院 | One-dimensional integrated imaging double vision 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 |
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 |
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