CN209014834U - A kind of one-dimensional double vision 3D display device - Google Patents
A kind of one-dimensional double vision 3D display device Download PDFInfo
- Publication number
- CN209014834U CN209014834U CN201821914136.3U CN201821914136U CN209014834U CN 209014834 U CN209014834 U CN 209014834U CN 201821914136 U CN201821914136 U CN 201821914136U CN 209014834 U CN209014834 U CN 209014834U
- Authority
- CN
- China
- Prior art keywords
- gradual change
- grating
- slit
- polarization
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a kind of one-dimensional double vision 3D display devices, including display screen, gradual change grating, polarization grating, polarising glass 1 and polarising glass 2；Polarization 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；The polarization direction of polarising glass 1 is identical as polarization unit 1, and the polarization direction of polarising glass 2 is identical as polarization unit 2；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 edge；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 integration imaging 3D displays, and more specifically, the utility model relates to a kind of one-dimensional double vision 3D
Display device.
Background technique
It is different that one-dimensional integrated imaging double vision 3D display technology can make viewer see on different view directions
3D picture is one of the hot spot technology of current 3D display.But in traditional one-dimensional integrated imaging based on gradually varying pitch's grating
In double vision 3D display, optical efficiency is gradually reduced from centre to both sides.
Summary of the invention
The utility model proposes a kind of one-dimensional double vision 3D display devices, as shown in Fig. 1, which is characterized in that including aobvious
Display screen, gradual change grating, polarization grating, polarising glass 1 and polarising glass 2；Display screen, gradual change grating is parallel with polarization grating to be put
It sets, and corresponding alignment；Between display screen and polarization grating, polarization grating is bonded gradual change grating with gradual change grating；Such as attached drawing 2
Shown, polarization grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2, the polarization side of polarization unit 1 and polarization unit 2
To orthogonal；The polarization direction of polarising glass 1 is identical as polarization unit 1, and the polarization direction of polarising glass 2 is identical as polarization unit 2；
Display screen is for showing that micro- pattern matrix, micro- pattern matrix are alternately arranged and are formed by image primitive 1 and image primitive 2, such as 3 institute of attached drawing
Show；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；In gradual change grating, slit
Thickness 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 section of gradual change grating
Away from being gradually increased from centre to edge with aperture；In gradual change grating, pitch and its aperture of each column slit
Than all the same, therefore, the optical efficiency of each column slit is all the same；The optical efficiency of each column slitφAre as follows:
(1)
Wherein,pFor positioned at the pitch of the slit of gradual change raster center position,wFor positioned at the narrow of gradual change raster center position
The aperture of seam,gFor the spacing of gradual change grating and display screen,tFor the thickness of gradual change grating.
Preferably, gradual change gratingiThe pitch of column slitH i WithiThe aperture of column slitA i It is respectively as follows:
(2)
(3)
Wherein,pFor positioned at the pitch of the slit of gradual change raster center position,wFor positioned at the narrow of gradual change raster center position
The aperture of seam,lFor viewing distance,gFor the spacing of gradual change grating and display screen,mFor the number of slit in gradual change grating,i
For less than or equal tomPositive integer.
Detailed description of the invention
Attached drawing 1 is the structure and parameter figure of the double vision 3D display device of the utility model
Attached drawing 2 is the arrangement schematic diagram of the polarization grating of the utility model
Attached drawing 3 is the arrangement schematic diagram of micro- pattern matrix of the utility model
Shown by reference numeral in above-mentioned attached drawing are as follows:
1 display screen, 2 gradual change gratings, 3 polarization gratings, 4 polarising glass, 1,5 polarising glass, 2,6 polarization unit 1,7 polarization are single
First 2,8 micro- pattern matrixes, 9 image primitive, 1,10 image primitive, 2,11 3D rendering, 1,12 3D rendering 2.
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 double vision 3D display device of the utility model, to this reality
It is further described specifically with novel.It is necessarily pointed out that following embodiment be served only for the utility model do into
The explanation of one step should not be understood as the limitation to scope of protection of the utility model, and field person skilled in the art is according to above-mentioned
Utility model content makes some nonessential modifications and adaptations to the utility model, still falls within the protection model of the utility model
It encloses.
The utility model proposes a kind of one-dimensional double vision 3D display devices, as shown in Fig. 1, which is characterized in that including aobvious
Display screen, gradual change grating, polarization grating, polarising glass 1 and polarising glass 2；Display screen, gradual change grating is parallel with polarization grating to be put
It sets, and corresponding alignment；Between display screen and polarization grating, polarization grating is bonded gradual change grating with gradual change grating；Such as attached drawing 2
Shown, polarization grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2, the polarization side of polarization unit 1 and polarization unit 2
To orthogonal；The polarization direction of polarising glass 1 is identical as polarization unit 1, and the polarization direction of polarising glass 2 is identical as polarization unit 2；
Display screen is for showing that micro- pattern matrix, micro- pattern matrix are alternately arranged and are formed by image primitive 1 and image primitive 2, such as 3 institute of attached drawing
Show；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；In gradual change grating, slit
Thickness 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 section of gradual change grating
Away from being gradually increased from centre to edge with aperture；In gradual change grating, pitch and its aperture of each column slit
Than all the same, therefore, the optical efficiency of each column slit is all the same；The optical efficiency of each column slitφAre as follows:
(1)
Wherein,pFor positioned at the pitch of the slit of gradual change raster center position,wFor positioned at the narrow of gradual change raster center position
The aperture of seam,gFor the spacing of gradual change grating and display screen,tFor the thickness of gradual change grating.
Preferably, gradual change gratingiThe pitch of column slitH i WithiThe aperture of column slitA i It is respectively as follows:
(2)
(3)
Wherein,pFor positioned at the pitch of the slit of gradual change raster center position,wFor positioned at the narrow of gradual change raster center position
The aperture of seam,lFor viewing distance,gFor the spacing of gradual change grating and display screen,mFor the number of slit in gradual change grating,i
For less than or equal tomPositive integer.
Gradual change grating includes 6 units, and the pitch positioned at the slit of gradual change raster center position isp=4mm is located at gradual change
The aperture of the slit of raster center position isw=1mm, viewing distance arel=102mm, the spacing of gradual change grating and display screen
Forg=2mm, gradual change grating with a thickness oft=1mm, then the optical efficiency of the 1st ~ 6 column slit is calculated by formula (1) is 7.8%；
It is respectively 4.32mm that the pitch of the 1st ~ 6 column slit, which is calculated, by formula (2), 4.16mm, 4mm, 4mm, 4.16mm, 4.32mm；By
It is respectively 1.08mm that the aperture of the 1st ~ 6 column slit, which is calculated, in formula (3), 1.04mm, 1mm, 1mm, 1.04mm, 1.08mm.
Claims (2)
1. a kind of one-dimensional double vision 3D display device, which is characterized in that including display screen, gradual change grating, polarization grating, polarising glass
1 and polarising glass 2；Display screen, gradual change grating and polarization grating are placed in parallel, and corresponding alignment；Gradual change grating is located at display screen
Between polarization grating, polarization grating is bonded with gradual change grating；Polarization grating is alternately arranged by polarization unit 1 and polarization unit 2
Composition, polarization unit 1 are orthogonal with the polarization direction of polarization unit 2；The polarization direction of polarising glass 1 is identical as polarization unit 1, partially
The polarization direction of vibration glasses 2 is identical as polarization unit 2；Display screen is for showing micro- pattern matrix, and micro- pattern matrix is by image primitive 1
Composition is alternately arranged with image primitive 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；
In gradual change grating, the thickness of slit is identical, and the pitch of the slit of any one column is identical, the aperture of the slit of any one column
It is identical, and the pitch of gradual change grating and aperture are gradually increased from centre to edge；In gradual change grating, each column slit
The ratio of pitch and its aperture is all the same, and therefore, the optical efficiency of each column slit is all the same；The optics of each column slit is imitated
RateφAre 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 double vision 3D display device according to claim 1, which is characterized in that gradual change gratingiColumn slit
PitchH i WithiThe aperture of column slitA i It is respectively 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,lFor viewing distance,gFor the spacing of gradual change grating and display screen,mFor the number of slit in gradual change grating,iIt is small
In or be equal tomPositive integer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914136.3U CN209014834U (en) | 2018-11-20 | 2018-11-20 | A kind of one-dimensional double vision 3D display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914136.3U CN209014834U (en) | 2018-11-20 | 2018-11-20 | A kind of one-dimensional double vision 3D display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209014834U true CN209014834U (en) | 2019-06-21 |
Family
ID=66842794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821914136.3U Withdrawn - After Issue CN209014834U (en) | 2018-11-20 | 2018-11-20 | A kind of one-dimensional double vision 3D display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209014834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298536A (en) * | 2018-11-20 | 2019-02-01 | 成都工业学院 | A kind of one-dimensional double vision 3D display device |
-
2018
- 2018-11-20 CN CN201821914136.3U patent/CN209014834U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298536A (en) * | 2018-11-20 | 2019-02-01 | 成都工业学院 | A kind of one-dimensional double vision 3D display device |
| CN109298536B (en) * | 2018-11-20 | 2023-09-12 | 成都航空职业技术学院 | One-dimensional double-view 3D display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109254413A (en) | Double vision 3D display device based on gradual change grating | |
| CN109298536A (en) | A kind of one-dimensional double vision 3D display device | |
| CN105487243B (en) | One-dimensional integrated imaging 3D display device based on barrier and gradual-change bore diameter slit grating | |
| CN109254412B (en) | Double-vision 3D display device based on rectangular pinhole array | |
| CN208937828U (en) | Double vision 3D display device based on gradual change grating | |
| CN111781737B (en) | High-resolution double-view 3D display device and method | |
| CN109298538B (en) | Dual-view 3D display device with uniform optical efficiency | |
| CN208569201U (en) | The double vision 3D display device of wide viewing angle and non-uniform resolution | |
| CN110095875A (en) | A kind of one-dimensional integrated imaging double vision 3D display device | |
| CN208861076U (en) | A kind of one-dimensional integrated imaging 3D display device | |
| CN110208955A (en) | One-dimensional integrated imaging double vision 3D display device | |
| CN209014834U (en) | A kind of one-dimensional double vision 3D display device | |
| CN109239936A (en) | Integration imaging 3D display device based on gradual change grating | |
| CN111781734B (en) | Dual-view 3D display device and method based on dual display screens | |
| CN209707825U (en) | One-dimensional integrated imaging double vision 3D display device | |
| CN208872955U (en) | A kind of 3D display device | |
| CN111061066A (en) | One-dimensional integrated imaging 3D display device based on gradient aperture slit grating | |
| CN110361871A (en) | Double vision 3D display device based on microlens array | |
| CN109254411A (en) | A kind of one-dimensional integrated imaging 3D display device | |
| CN109521575A (en) | Integration imaging 3D display device based on backlight | |
| CN208872956U (en) | 3D display device based on backlight | |
| CN208705587U (en) | A kind of wide viewing angle one-dimensional integrated imaging 3D display device based on linear light source | |
| CN112859368B (en) | Double-vision 3D display method based on stepped gradient aperture pinhole array | |
| CN111781735B (en) | Dual-view 3D display device and method based on polarization array | |
| CN110398843B (en) | Dual-view 3D display device with wide view angle and uniform resolution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190621 Effective date of abandoning: 20230912 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190621 Effective date of abandoning: 20230912 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |