CN207440433U - A kind of integration imaging 3D display device based on gradual-change bore diameter pinhole array - Google Patents
A kind of integration imaging 3D display device based on gradual-change bore diameter pinhole array Download PDFInfo
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- CN207440433U CN207440433U CN201721311071.9U CN201721311071U CN207440433U CN 207440433 U CN207440433 U CN 207440433U CN 201721311071 U CN201721311071 U CN 201721311071U CN 207440433 U CN207440433 U CN 207440433U
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Abstract
The utility model discloses a kind of integration imaging 3D display device based on gradual-change bore diameter pinhole array, include the 2D display screens of the micro- pattern matrix of display, gradual-change bore diameter pinhole array and barrier array.Barrier array causes the image primitive in micro- pattern matrix to reconstruct 3D scenes through the corresponding pin hole of the image primitive, and the image primitive of other row cannot penetrate the pin hole.In gradual-change bore diameter pinhole array, the horizontal aperture of the pin hole of any one row is of same size, and the horizontal aperture of gradual-change bore diameter pinhole array gradually increases from centre to both sides；Image primitive in micro- pattern matrix rebuilds the horizontal width of 3D vision areas from both sides to intermediate gradually increase by the pin hole in gradual-change bore diameter pinhole array, so as to increase the horizontal width that all image primitives rebuild the public domain of 3D vision areas, wide viewing angle integration imaging 3D display is realized.
Description
Technical field
The utility model is related to integration imaging 3D displays, and more specifically, the utility model is related to one kind to be based on gradual change hole
The integration imaging 3D display device of footpath pinhole array.
Background technology
Integration imaging 3D display device make use of light path principle, by pinhole array or microlens array by 3D
The steric information of scape is recorded on image recorder, generates micro- pattern matrix, and micro- pattern matrix, which is then shown in 2D, shows
In display screen, the stereo-picture of former 3D scenes is reconstructed through pinhole array or microlens array.With based on microlens array
Integration imaging 3D display device is compared, the integration imaging 3D display device based on pinhole array have it is at low cost, weight is small, device
The advantages that thickness is thin and pitch limits from manufacture craft.
As shown in Figure 1, based on barrier array, without in crosstalk integration imaging 3D display device, barrier array causes 2D
Each image primitive on display screen reconstructs 3D scenes through the corresponding pin hole of the image primitive, and the image primitive of other row cannot be saturating
The pin hole is crossed, it is achieved thereby that based on barrier array without crosstalk integration imaging 3D display.But the viewing of the 3D display device
Region is the public domain that all image primitives rebuild 3D vision areas, therefore viewing visual angle and the number of image primitive are inversely proportional, and cause to see
See the shortcomings of visual angle is relatively narrow.
The content of the invention
The utility model proposes a kind of integration imaging 3D display devices based on gradual-change bore diameter pinhole array.Such as 2 institute of attached drawing
Show, which includes the 2D display screens for showing micro- pattern matrix, gradual-change bore diameter pinhole array and barrier array.The level of display screen
With vertical central axis line with the horizontal and vertical central axes of gradual-change bore diameter pinhole array are all corresponding respectively aligns.Barrier array perpendicular to
Display screen and gradual-change bore diameter pinhole array, barrier are located in micro- pattern matrix between two neighbor map pixels.Barrier array causes
Image primitive in micro- pattern matrix reconstructs 3D scenes through the corresponding pin hole of the image primitive, and the image primitive of other row cannot be saturating
Cross the pin hole.As shown in Figures 2 and 3, which is characterized in that in gradual-change bore diameter pinhole array, the level of the pin hole of any one row
Aperture is identical, and the horizontal aperture of gradual-change bore diameter pinhole array gradually increases from centre to both sides；Micro- pattern matrix
In image primitive the horizontal widths of 3D vision areas rebuild by pin hole in gradual-change bore diameter pinhole array gradually increase from both sides to intermediate
Greatly, so as to increase the horizontal width that all image primitives rebuild the public domain of 3D vision areas, realize wide viewing angle integration imaging 3D and show
Show.
At viewing ratio l, the horizontal viewing visual angle θ of integration imaging 3D display device described in the utility model
For：
Wherein, w is the horizontal aperture of the pin hole positioned at center, and p is the horizontal width of image primitive, and g shows for 2D
Display screen and the distance of gradual-change bore diameter pinhole array, m are the number of horizontal direction epigraph member in micro- pattern matrix.
Description of the drawings
Attached drawing 1 is the existing schematic diagram without crosstalk integration imaging 3D display based on barrier array
Attached drawing 2 is the structure and parameter schematic diagram of the integration imaging 3D display device of the utility model
Attached drawing 3 is the structure diagram of the gradual-change bore diameter pinhole array of the utility model.
Shown by reference numeral in above-mentioned attached drawing is：
1.2D display screens, 2. pinhole array, 3. image primitives, 4. barrier arrays, 5. gradual-change bore diameter pinhole array.
It should be appreciated that above-mentioned attached drawing is simply schematical, it is not drawn to draw.
Specific embodiment
The following detailed description of a kind of integration imaging 3D display device based on gradual-change bore diameter pinhole array of the utility model
An exemplary embodiments, the utility model is further described specifically.It is necessarily pointed out that implement below
Example is served only for the utility model and is described further, it is impossible to be interpreted as the limitation to scope of protection of the utility model, the field
Person skilled in the art makes the utility model some nonessential modifications and adaptations according to above-mentioned the utility model content, still belongs to
In the scope of protection of the utility model.
The utility model proposes a kind of integration imaging 3D display devices based on gradual-change bore diameter pinhole array.Such as 2 institute of attached drawing
Show, which includes the 2D display screens for showing micro- pattern matrix, gradual-change bore diameter pinhole array and barrier array.The level of display screen
With vertical central axis line with the horizontal and vertical central axes of gradual-change bore diameter pinhole array are all corresponding respectively aligns.Barrier array perpendicular to
Display screen and gradual-change bore diameter pinhole array, barrier are located in micro- pattern matrix between two neighbor map pixels.Barrier array causes
Image primitive in micro- pattern matrix reconstructs 3D scenes through the corresponding pin hole of the image primitive, and the image primitive of other row cannot be saturating
Cross the pin hole.As shown in Figures 2 and 3, which is characterized in that in gradual-change bore diameter pinhole array, the level of the pin hole of any one row
Aperture is identical, and the horizontal aperture of gradual-change bore diameter pinhole array gradually increases from centre to both sides；Micro- pattern matrix
In image primitive the horizontal widths of 3D vision areas rebuild by pin hole in gradual-change bore diameter pinhole array gradually increase from both sides to intermediate
Greatly, so as to increase the horizontal width that all image primitives rebuild the public domain of 3D vision areas, realize wide viewing angle integration imaging 3D and show
Show.
At viewing ratio l, the horizontal viewing visual angle θ of integration imaging 3D display device described in the utility model
For：
Wherein, w is the horizontal aperture of the pin hole positioned at center, and p is the horizontal width of image primitive, and g shows for 2D
Display screen and the distance of gradual-change bore diameter pinhole array, m are the number of horizontal direction epigraph member in micro- pattern matrix.
Micro- pattern matrix includes 41 × 20 units with pinhole array, wherein, 41 units, Vertical Square in horizontal direction
The spacing of upward 20 units, 2D display screens and pinhole array is g=10mm, and the horizontal width of image primitive is p=8mm, pin hole
Horizontal aperture be w=2mm.At viewing distance l=500mm, according to formulaObtain this practicality
The horizontal viewing visual angle of the new integration imaging 3D display device is 54 °；And traditional no crosstalk based on above-mentioned parameter
The horizontal viewing visual angle of integration imaging 3D display device is 18 °.Therefore, integration imaging 3D display device described in the utility model
Realize wide viewing angle integration imaging 3D display.
Claims (1)
1. a kind of integration imaging 3D display device based on gradual-change bore diameter pinhole array；The device includes showing micro- pattern matrix
2D display screens, gradual-change bore diameter pinhole array and barrier array；The horizontal and vertical central axes of display screen and gradual-change bore diameter pin hole battle array
The all corresponding alignment respectively of the horizontal and vertical central axes of row；Barrier array is perpendicular to display screen and gradual-change bore diameter pinhole array, barrier
Wall is located in micro- pattern matrix between two neighbor map pixels；Barrier array causes the image primitive in micro- pattern matrix to penetrate the figure
The corresponding pin hole of pixel reconstructs 3D scenes, and the image primitive of other row cannot penetrate the pin hole；It is characterized in that, in gradual change hole
In the pinhole array of footpath, the horizontal aperture of the pin hole of any one row is of same size, and the horizontal aperture of gradual-change bore diameter pinhole array is wide
Degree gradually increases from centre to both sides；Image primitive in micro- pattern matrix rebuilds 3D by the pin hole in gradual-change bore diameter pinhole array
The horizontal width of vision area is from both sides to intermediate gradually increase, so as to increase the water that all image primitives rebuild the public domain of 3D vision areas
Flat width realizes wide viewing angle integration imaging 3D display；
At viewing ratio l, the horizontal viewing visual angle θ of integration imaging 3D display device is：
<mrow>
<mi>&theta;</mi>
<mo>=</mo>
<mn>2</mn>
<mi>a</mi>
<mi>r</mi>
<mi>c</mi>
<mi>t</mi>
<mi>a</mi>
<mi>n</mi>
<mrow>
<mo>(</mo>
<mfrac>
<mrow>
<mi>p</mi>
<mo>+</mo>
<mi>w</mi>
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<mn>2</mn>
<mi>g</mi>
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Wherein, w is the horizontal aperture of the pin hole positioned at center, and p is the horizontal width of image primitive, and g is 2D display screens
With the distance of gradual-change bore diameter pinhole array, m is the number of horizontal direction epigraph member in micro- pattern matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721311071.9U CN207440433U (en) | 2017-10-10 | 2017-10-10 | A kind of integration imaging 3D display device based on gradual-change bore diameter pinhole array |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721311071.9U CN207440433U (en) | 2017-10-10 | 2017-10-10 | A kind of integration imaging 3D display device based on gradual-change bore diameter pinhole array |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594448A (en) * | 2018-08-13 | 2018-09-28 | 成都工业学院 | High optical efficiency and non-uniform resolution double vision 3D display device and method |
| 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 |
| CN110426857A (en) * | 2019-07-28 | 2019-11-08 | 成都工业学院 | Integration imaging 3D display device based on gradual change width rectangle pinhole array |
-
2017
- 2017-10-10 CN CN201721311071.9U patent/CN207440433U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594448A (en) * | 2018-08-13 | 2018-09-28 | 成都工业学院 | High optical efficiency and non-uniform resolution double vision 3D display device and method |
| CN108594448B (en) * | 2018-08-13 | 2024-02-20 | 成都航空职业技术学院 | High optical efficiency and uniform resolution dual-view 3D display device and method |
| 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 |
| CN110426857A (en) * | 2019-07-28 | 2019-11-08 | 成都工业学院 | Integration imaging 3D display device based on gradual change width rectangle pinhole array |
| CN110426857B (en) * | 2019-07-28 | 2024-03-26 | 成都航空职业技术学院 | Integrated imaging 3D display device based on gradual change width 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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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20211010 |