CN209311808U - Integration imaging 3D display device based on gradual change slit - Google Patents
Integration imaging 3D display device based on gradual change slit Download PDFInfo
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- CN209311808U CN209311808U CN201920226621.XU CN201920226621U CN209311808U CN 209311808 U CN209311808 U CN 209311808U CN 201920226621 U CN201920226621 U CN 201920226621U CN 209311808 U CN209311808 U CN 209311808U
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- gradual change
- slit
- grating
- slit grating
- change slit
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Abstract
The utility model discloses the integration imaging 3D display devices based on gradual change slit, including backlight, gradual change slit grating and display screen；For gradual change slit grating between backlight and display screen, gradual change slit grating is reflective layer close to the face of backlight；The spacing of backlight and gradual change slit grating is no more than the spacing of gradual change slit grating and display screen；In gradual change slit 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 slit grating and aperture are gradually increased from centre to both sides；The hole wall of slit is light-absorption layer in gradual change slit grating, and each image primitive is all illuminated by the light by corresponding slit, and only illuminates corresponding image primitive by the light of each slit.
Description
Technical field
The utility model relates to integration imaging 3D displays, and more specifically, the utility model relates to based on gradual change slit
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 the perspective view of energy display of high resolution and authentic color
Picture is one of the hot spot technology in current 3D display technology.But current one-dimensional integrated imaging 3D display device still has
Crosstalk, to limit its practical application.In addition, in traditional one-dimensional integrated imaging 3D display device, viewing visual angle with
The number and viewing distance of slit are related, to limit its practical application.
Summary of the invention
The utility model proposes the integration imaging 3D display devices based on gradual change slit, and as shown in Fig. 1, feature exists
In, including backlight, gradual change slit grating and display screen；For gradual change slit grating between backlight and display screen, gradual change is narrow
It is reflective layer that grating, which is stitched, close to the face of backlight；Backlight, gradual change slit grating and display screen are placed in parallel, and corresponding alignment；
The spacing of backlight and gradual change slit grating is no more than the spacing of gradual change slit grating and display screen；
In gradual change slit grating, the thickness of all slits is identical, and the pitch of the slit of any one column is identical, any one column
Slit aperture it is identical, and the pitch of gradual change slit grating and aperture are gradually increased from centre to both sides；Gradual change
The thickness of slit gratingtAre as follows:
(1)
Wherein,pFor positioned at the pitch of the slit of gradual change slit grating center,wFor positioned at gradual change slit grating center
The aperture of the slit of position,gFor the spacing of gradual change slit grating and display screen；The hole wall of slit is in gradual change slit grating
Light-absorption layer, each image primitive is all illuminated by the light by corresponding slit, and only illuminates correspondence by the light of each slit
Image primitive；
Gradual change slit gratingiThe pitch of column slitH i WithiThe aperture of column slitA i It is respectively as follows:
(2)
(3)
Wherein,iIt is less than or equal tomPositive integer,lFor viewing distance,mFor the number of slit in gradual change slit grating.
Preferably, the viewing visual angle of the integration imaging 3D display device based on gradual change slit gratingθAre as follows:
(4)
Wherein,pFor positioned at the pitch of the slit of gradual change slit grating center,tFor the thickness of gradual change slit grating,g
For the spacing of gradual change slit grating and display screen.
Compared with prior art, the utility model has the following beneficial effects: the integration imaging 3D display based on gradual change slit fills
It sets, the thickness of gradual change slit grating is rationally set, so that each image primitive is all illuminated by the light by corresponding slit, so that
Corresponding image primitive is only illuminated by the light of each slit, further is set as inhaling by the hole wall of slit in gradual change slit grating
Photosphere prevents light by other image primitives of hole wall indirect illumination, to completely eliminate crosstalk；Rationally setting gradual change slit light
The pitch and aperture of grid, so that viewing visual angle is unrelated with the number of slit and viewing distance.Gradual change slit grating is close
The face of backlight is reflective layer, improves optical efficiency and brightness of image.
Detailed description of the invention
Attached drawing 1 is the structure and parameter figure of the integration imaging 3D display device of the utility model
Shown by reference numeral in above-mentioned attached drawing are as follows:
1. backlight, 2. gradual change slit gratings, 3. display screens.
It should be understood that above-mentioned attached drawing is only schematical, it is not drawn to draw.
Specific embodiment
It is typical real the following detailed description of one of the integration imaging 3D display device based on gradual change slit of the utility model
Example is applied, the utility model is further described specifically.It is necessarily pointed out that following embodiment is served only for this reality
It is described further with novel, should not be understood as the limitation to scope of protection of the utility model, field person skilled in the art
Some nonessential modifications and adaptations are made to the utility model according to above-mentioned the content of the present invention, still fall within the utility model
Protection scope.
The utility model proposes the integration imaging 3D display devices based on gradual change slit, and as shown in Fig. 1, feature exists
In, including backlight, gradual change slit grating and display screen；For gradual change slit grating between backlight and display screen, gradual change is narrow
It is reflective layer that grating, which is stitched, close to the face of backlight；Backlight, gradual change slit grating and display screen are placed in parallel, and corresponding alignment；
The spacing of backlight and gradual change slit grating is no more than the spacing of gradual change slit grating and display screen；
In gradual change slit grating, the thickness of all slits is identical, and the pitch of the slit of any one column is identical, any one column
Slit aperture it is identical, and the pitch of gradual change slit grating and aperture are gradually increased from centre to both sides；Gradual change
The thickness of slit gratingtAre as follows:
(1)
Wherein,pFor positioned at the pitch of the slit of gradual change slit grating center,wFor positioned at gradual change slit grating center
The aperture of the slit of position,gFor the spacing of gradual change slit grating and display screen；The hole wall of slit is in gradual change slit grating
Light-absorption layer, each image primitive is all illuminated by the light by corresponding slit, and only illuminates correspondence by the light of each slit
Image primitive；
Gradual change slit gratingiThe pitch of column slitH i WithiThe aperture of column slitA i It is respectively as follows:
(2)
(3)
Wherein,iIt is less than or equal tomPositive integer,lFor viewing distance,mFor the number of slit in gradual change slit grating.
Preferably, the viewing visual angle of the integration imaging 3D display device based on gradual change slit gratingθAre as follows:
(4)
Wherein,pFor positioned at the pitch of the slit of gradual change slit grating center,tFor the thickness of gradual change slit grating,g
For the spacing of gradual change slit grating and display screen.
Micro- pattern matrix and gradual change slit grating include 5 units, the slit positioned at gradual change slit grating center
Pitch bep=5mm, the aperture positioned at the slit of gradual change slit grating center arew=1mm, viewing distance arel=
The spacing of 102mm, gradual change slit grating and display screen isgThe thickness of gradual change slit grating is then calculated in=2mm by formula (1)t
For 1mm, it is respectively 5.4mm that the pitch of the slit of the 1st ~ 5 column slit, which is calculated, by formula (2), 5.2mm, 5mm, 5.2mm,
5.4mm, 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；It is 90 ° that viewing visual angle, which is calculated, by formula (4).
Claims (2)
1. the integration imaging 3D display device based on gradual change slit, which is characterized in that including backlight, gradual change slit grating and aobvious
Display screen；For gradual change slit grating between backlight and display screen, gradual change slit grating is reflective layer close to the face of backlight；Back
Light source, gradual change slit grating and display screen are placed in parallel, and corresponding alignment；The spacing of backlight and gradual change slit grating is no more than
The spacing of gradual change slit grating and display screen；
In gradual change slit grating, the thickness of all slits is identical, and the pitch of the slit of any one column is identical, any one column it is narrow
The aperture of seam is identical, and the pitch of gradual change slit grating and aperture are gradually increased from centre to both sides；Gradual change slit
The thickness of gratingtAre as follows:
Wherein,pFor positioned at the pitch of the slit of gradual change slit grating center,wFor positioned at gradual change slit grating center
Slit aperture,gFor the spacing of gradual change slit grating and display screen；The hole wall of slit is extinction in gradual change slit grating
Layer, each image primitive is all illuminated by the light by corresponding slit, and only illuminates corresponding figure by the light of each slit
Pixel；
Gradual change slit gratingiThe pitch of column slitH i WithiThe aperture of column slitA i It is respectively as follows:
Wherein,iIt is less than or equal tomPositive integer,lFor viewing distance,mFor the number of slit in gradual change slit grating.
2. the integration imaging 3D display device according to claim 1 based on gradual change slit, which is characterized in that be based on gradual change
The viewing visual angle of the integration imaging 3D display device of slit gratingθAre as follows:
Wherein,pFor positioned at the pitch of the slit of gradual change slit grating center,tFor the thickness of gradual change slit grating,gFor gradually
Become the spacing of slit grating and display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920226621.XU CN209311808U (en) | 2019-02-24 | 2019-02-24 | Integration imaging 3D display device based on gradual change slit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920226621.XU CN209311808U (en) | 2019-02-24 | 2019-02-24 | Integration imaging 3D display device based on gradual change slit |
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| Publication Number | Publication Date |
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| CN209311808U true CN209311808U (en) | 2019-08-27 |
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| CN201920226621.XU Expired - Fee Related CN209311808U (en) | 2019-02-24 | 2019-02-24 | Integration imaging 3D display device based on gradual change slit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485919A (en) * | 2021-01-11 | 2021-03-12 | 成都工业学院 | Double-vision 3D display device based on gradual change pitch point light source array |
-
2019
- 2019-02-24 CN CN201920226621.XU patent/CN209311808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485919A (en) * | 2021-01-11 | 2021-03-12 | 成都工业学院 | Double-vision 3D display device based on gradual change pitch point light source array |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |