CN207369212U - Wide viewing angle two dimension integration imaging 3D display device - Google Patents
Wide viewing angle two dimension integration imaging 3D display device Download PDFInfo
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- CN207369212U CN207369212U CN201720573486.7U CN201720573486U CN207369212U CN 207369212 U CN207369212 U CN 207369212U CN 201720573486 U CN201720573486 U CN 201720573486U CN 207369212 U CN207369212 U CN 207369212U
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- pin hole
- image primitive
- mrow
- polarization grating
- grid line
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Abstract
The utility model discloses a kind of wide viewing angle two dimension integration imaging 3D display device, including 2D display screens, polarization grating I, polarization grating II, pinhole array.Polarization grating make it that the light that each image primitive is sent can only be by its corresponding pin-hole imaging, so as to expand the imaging region of each image primitive；Positioned at the center of the pin hole of pinhole array center and the center alignment of the image primitive positioned at micro- pattern matrix center, adjacent pin hole is arranged with constant spacing in pinhole array, so that the imaging region of each image primitive overlaps at viewing ratio, so as to fulfill wide viewing angle two dimension integration imaging 3D display.
Description
Technical field
Integration imaging 3D display is the utility model is related to, more specifically, the utility model is related to a kind of wide viewing angle two dimension
Integration imaging 3D display device.
Background technology
As shown in Figure 1, in traditional integration imaging 3D display device based on pinhole array, an image primitive is sent
Light normal 3D rendering is formd by its corresponding pin hole；But one that the image primitive adjacent with the image primitive is sent
Light splitter causes the crosstalk between neighbor map pixel, so as to reduce the imaging region of each image primitive also by the pin hole.
In addition, in traditional integration imaging 3D display device based on pinhole array, viewing vision area is the imaging area of all image primitives
The common portion in domain, as shown in Fig. 2, at viewing distance l, traditional integration imaging 3D display device based on pinhole array
Horizontal viewing visual angle θ is：
Wherein, w is the aperture of pin hole, and p is the width of image primitive, and g is the spacing of 2D display screens and pinhole array, m
For the number of horizontal direction epigraph member in micro- pattern matrix.In traditional integration imaging 3D display device based on pinhole array
In, the aperture of horizontal viewing visual angle and pin hole is inversely proportional, with the number of horizontal direction epigraph member in micro- pattern matrix into
Inverse ratio.That is, can be by reducing the aperture of pin hole in traditional integration imaging 3D display device based on pinhole array
To increase horizontal viewing visual angle, but optical efficiency can be reduced；Can be by reducing horizontal direction epigraph in micro- pattern matrix
The number of member increases horizontal viewing visual angle, but can reduce horizontal resolution.
The content of the invention
The utility model proposes a kind of wide viewing angle two dimension integration imaging 3D display device.As shown in Figure 3, which includes
2D display screens, polarization grating I, polarization grating II, pinhole array.2D display screens are used to show micro- pattern matrix.Polarization grating I with
2D display screens fit closely, and polarization grating II is fitted closely with pinhole array.Polarization grating I by series of identical size grid line
Close-packed arrays form unit in the horizontal direction, and each grid line unit only has a kind of polarization direction, two grid of arbitrary neighborhood
The polarization direction of line unit is orthogonal.The number of grid line unit and micro- pattern matrix horizontal direction epigraph member in polarization grating I
Number is equal, and the horizontal width of grid line unit is equal with the horizontal width of image primitive in micro- pattern matrix in polarization grating I.Polarization
By the grid line unit of series of identical size, close-packed arrays form grating II in the horizontal direction, and each grid line unit only has one
Kind polarization direction, the polarization direction of two grid line units of arbitrary neighborhood are orthogonal.In polarization grating II the number of grid line unit with
The number of pin hole is equal in pinhole array horizontal direction, pin in the horizontal width and pinhole array of grid line unit in polarization grating II
The horizontal width in hole is equal.The polarization direction of grid line unit and the image primitive pair in the corresponding polarization grating I of each image primitive
The polarization direction of grid line unit is identical in the corresponding polarization grating II of pin hole answered, and polarization grating I to be changed into by its light
Polarised light with different polarization direction, and polarization grating II has polarised light modulating action so that it is every in micro- pattern matrix
A image primitive reconstructs normal 3D rendering, and figure adjacent with the image primitive in horizontal direction through the corresponding pin hole of the image primitive
The light that pixel is sent cannot pass through the pin hole.It is characterized in that, polarization grating make it that the light that each image primitive is sent can only
By its corresponding pin-hole imaging, so as to expand the imaging region of each image primitive；Pin positioned at pinhole array center
The center in hole and the center alignment of the image primitive positioned at micro- pattern matrix center, adjacent pin hole is between fixation in pinhole array
Away from arrangement so that the imaging region of each image primitive overlaps at viewing ratio, is integrated into so as to fulfill wide viewing angle two dimension
As 3D display.
As shown in Figure 3, the width of image primitive is the spacing of p, viewing ratio l, 2D display screen and pinhole array
For g, micro- pattern matrix in horizontal direction in pinhole array with including m unit, the pin hole positioned at pinhole array center
Aperture be w, then the spacing d of adjacent pin hole is calculated by following formula in pinhole array：
The horizontal viewing visual angle θ ' calculating of wide viewing angle two dimension integration imaging 3D display device described in the utility model is as follows：
Therefore, the horizontal viewing visual angle of wide viewing angle two dimension integration imaging 3D display device and the aperture of pin hole are into just
Than unrelated with the number of horizontal direction epigraph member in micro- pattern matrix.Therefore the utility model do not reduce optical efficiency and
On the premise of resolution ratio, wide viewing angle integration imaging 3D display is realized.
Brief description of the drawings
Attached drawing 1 is neighbor map pixel crosstalk schematic diagram in traditional integration imaging 3D display based on pinhole array
Attached drawing 2 is the horizontal viewing visual angle schematic diagram of traditional integration imaging 3D display device based on pinhole array
Attached drawing 3 is the principle and parameter schematic diagram of the integration imaging 3D display device of the utility model.
Shown by reference numeral in above-mentioned attached drawing is：
1. micro- pattern matrix, 2. pinhole array, 3. image primitives, 4. traditional integration imaging 3D displays based on pinhole array
Middle single image member forms the stoichiometric region of normal 3D rendering, single in 5. traditional integration imaging 3D displays based on pinhole array
A image primitive forms the actual area of normal 3D rendering, neighbor map in 6. traditional integration imaging 3D displays based on pinhole array
The crosstalk zone that pixel is formed, 7.2D display screens, the polarization grating I of 8. the utility model, the polarization grating of 9. the utility model
II, the pinhole array of 10. the utility model.
It should be appreciated that above-mentioned attached drawing is simply schematical, it is not drawn to draw.
Embodiment
Implement the following detailed description of using a typical case of the utility model wide viewing angle two dimension integration imaging 3D display device
Example, is further described specifically the utility model.It is necessarily pointed out that following embodiments are served only for this practicality
It is new to be described further, it is impossible to be interpreted as the limitation to scope of protection of the utility model, field technology skilled person's root
Some nonessential modifications and adaptations are made to the utility model according to above-mentioned the utility model content, still fall within the utility model
Protection domain.
The utility model proposes a kind of wide viewing angle two dimension integration imaging 3D display device.As shown in Figure 3, which includes
2D display screens, polarization grating I, polarization grating II, pinhole array.2D display screens are used to show micro- pattern matrix.Polarization grating I with
2D display screens fit closely, and polarization grating II is fitted closely with pinhole array.Polarization grating I by series of identical size grid line
Close-packed arrays form unit in the horizontal direction, and each grid line unit only has a kind of polarization direction, two grid of arbitrary neighborhood
The polarization direction of line unit is orthogonal.The number of grid line unit and micro- pattern matrix horizontal direction epigraph member in polarization grating I
Number is equal, and the horizontal width of grid line unit is equal with the horizontal width of image primitive in micro- pattern matrix in polarization grating I.Polarization
By the grid line unit of series of identical size, close-packed arrays form grating II in the horizontal direction, and each grid line unit only has one
Kind polarization direction, the polarization direction of two grid line units of arbitrary neighborhood are orthogonal.In polarization grating II the number of grid line unit with
The number of pin hole is equal in pinhole array horizontal direction, pin in the horizontal width and pinhole array of grid line unit in polarization grating II
The horizontal width in hole is equal.The polarization direction of grid line unit and the image primitive pair in the corresponding polarization grating I of each image primitive
The polarization direction of grid line unit is identical in the corresponding polarization grating II of pin hole answered, and polarization grating I to be changed into by its light
Polarised light with different polarization direction, and polarization grating II has polarised light modulating action so that it is every in micro- pattern matrix
A image primitive reconstructs normal 3D rendering, and figure adjacent with the image primitive in horizontal direction through the corresponding pin hole of the image primitive
The light that pixel is sent cannot pass through the pin hole.It is characterized in that, polarization grating make it that the light that each image primitive is sent can only
By its corresponding pin-hole imaging, so as to expand the imaging region of each image primitive；Pin positioned at pinhole array center
The center in hole and the center alignment of the image primitive positioned at micro- pattern matrix center, adjacent pin hole is between fixation in pinhole array
Away from arrangement so that the imaging region of each image primitive overlaps at viewing ratio, is integrated into so as to fulfill wide viewing angle two dimension
As 3D display.
As shown in Figure 3, the width of image primitive is the spacing of p, viewing ratio l, 2D display screen and pinhole array
For g, micro- pattern matrix in horizontal direction in pinhole array with including m unit, the pin hole positioned at pinhole array center
Aperture be w, then the spacing d of adjacent pin hole is calculated by following formula in pinhole array：
The horizontal viewing visual angle θ ' calculating of wide viewing angle two dimension integration imaging 3D display device described in the utility model is as follows：
Therefore, the horizontal viewing visual angle of wide viewing angle two dimension integration imaging 3D display device and the aperture of pin hole are into just
Than unrelated with the number of horizontal direction epigraph member in micro- pattern matrix.Therefore the utility model do not reduce optical efficiency and
On the premise of resolution ratio, wide viewing angle integration imaging 3D display is realized.
Micro- pattern matrix in horizontal direction in pinhole array with including 21 units, between 2D display screens and pinhole array
It is p=10mm away from the width for g=10mm, image primitive, the aperture of pin hole is w=2mm, viewing ratio l=
490mm, then by formulaThe spacing d=7.8mm of adjacent pin hole in pinhole array is calculated.According to formulaThe horizontal viewing visual angle for obtaining integration imaging 3D display device described in the utility model is 62 °；And
The horizontal viewing visual angle of traditional integration imaging 3D display device based on above-mentioned parameter is 19 °.Therefore, it is described in the utility model
Integration imaging 3D display device realize wide viewing angle integration imaging 3D display.
Claims (1)
1. wide viewing angle two dimension integration imaging 3D display device；The device includes 2D display screens, polarization grating I, polarization grating II, pin
Hole array；2D display screens are used to show micro- pattern matrix；Polarization grating I and 2D display screens fit closely, polarization grating II and pin
Hole array fits closely；By the grid line unit of series of identical size, close-packed arrays form polarization grating I in the horizontal direction, often
A grid line unit only has a kind of polarization direction, and the polarization direction of two grid line units of arbitrary neighborhood is orthogonal；In polarization grating I
The number of grid line unit is equal with the number of micro- pattern matrix horizontal direction epigraph member, the water of grid line unit in polarization grating I
Flat width is equal with the horizontal width of image primitive in micro- pattern matrix；Polarization grating II by series of identical size grid line unit
Close-packed arrays form in the horizontal direction, and each grid line unit only has a kind of polarization direction, two grid line lists of arbitrary neighborhood
The polarization direction of member is orthogonal；The number of grid line unit and the number phase of pin hole in pinhole array horizontal direction in polarization grating II
Deng the horizontal width of grid line unit is equal with the horizontal width of pin hole in pinhole array in polarization grating II；Each image primitive
Grid line in the corresponding polarization grating II of the polarization direction of grid line unit pin hole corresponding with the image primitive in corresponding polarization grating I
The polarization direction of unit is identical, and polarization grating I to be changed into the polarised light with different polarization direction by its light, and polarizes
Grating II has modulating action to polarised light so that each image primitive passes through the corresponding pin hole weight of the image primitive in micro- pattern matrix
Normal 3D rendering is built out, and the light that image primitive adjacent with the image primitive in horizontal direction is sent cannot pass through the pin hole；Its
It is characterized in that, polarization grating make it that the light that each image primitive is sent can only be by its corresponding pin-hole imaging, so as to expand
The imaging region of each image primitive；Positioned at the center of the pin hole of pinhole array center and it is located at micro- pattern matrix center
Image primitive center alignment, adjacent pin hole is arranged with constant spacing in pinhole array so that the imaging region of each image primitive
Overlapped at viewing ratio, so as to fulfill wide viewing angle two dimension integration imaging 3D display；The width of image primitive is p, optimal to see
See that distance be l, the spacing of 2D display screens and pinhole array is g, and m is included in horizontal direction in micro- pattern matrix and pinhole array
A unit, the aperture positioned at the pin hole of pinhole array center are w, then in pinhole array adjacent pin hole spacing d by
Following formula is calculated：
<mrow>
<mi>d</mi>
<mo>=</mo>
<mfrac>
<mrow>
<mi>l</mi>
<mi>p</mi>
</mrow>
<mrow>
<mi>l</mi>
<mo>+</mo>
<mi>g</mi>
</mrow>
</mfrac>
<mo>-</mo>
<mi>w</mi>
</mrow>
The horizontal viewing visual angle θ ' calculating of wide viewing angle two dimension integration imaging 3D display device described in the utility model is as follows：
<mrow>
<msup>
<mi>&theta;</mi>
<mo>&prime;</mo>
</msup>
<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>
</mrow>
<mrow>
<mn>2</mn>
<mi>g</mi>
</mrow>
</mfrac>
<mo>)</mo>
</mrow>
</mrow>
Therefore, the horizontal viewing visual angle of wide viewing angle two dimension integration imaging 3D display device is directly proportional to the aperture of pin hole, with
The number of horizontal direction epigraph member is unrelated in micro- pattern matrix；Therefore the utility model is not reducing optical efficiency and resolution ratio
On the premise of, realize wide viewing angle integration imaging 3D display.
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| CN201720573486.7U CN207369212U (en) | 2017-05-23 | 2017-05-23 | Wide viewing angle two dimension integration imaging 3D display device |
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|---|---|---|---|
| CN201720573486.7U CN207369212U (en) | 2017-05-23 | 2017-05-23 | Wide viewing angle two dimension integration imaging 3D display device |
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| CN207369212U true CN207369212U (en) | 2018-05-15 |
Family
ID=62424983
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| CN108663820A (en) * | 2018-08-13 | 2018-10-16 | 成都工业学院 | A kind of wide viewing angle and high-resolution double vision 3D display device and method |
| CN108681091A (en) * | 2018-08-13 | 2018-10-19 | 成都工业学院 | With vision area high-resolution double vision 3D display device and method |
| CN108761824A (en) * | 2018-08-13 | 2018-11-06 | 成都工业学院 | Without crosstalk and high-resolution double vision 3D display device and method |
| CN110275312A (en) * | 2019-07-28 | 2019-09-24 | 成都工业学院 | Integration imaging 3D display device based on rectangle polarization arrays |
| CN110389454A (en) * | 2019-07-28 | 2019-10-29 | 成都工业学院 | Integration imaging double vision 3D display device based on rectangle polarization arrays |
| CN110398843A (en) * | 2019-07-28 | 2019-11-01 | 成都工业学院 | The double vision 3D display device of wide viewing angle and non-uniform resolution |
| CN112305778A (en) * | 2020-11-09 | 2021-02-02 | 北京理工大学 | Method and system for expanding field angle of integrated imaging three-dimensional display system |
| CN113741054A (en) * | 2021-09-11 | 2021-12-03 | 成都工业学院 | High resolution and wide viewing angle 3D display device |
| CN113741048A (en) * | 2021-09-11 | 2021-12-03 | 成都工业学院 | One-dimensional integrated imaging 3D display device with high imaging efficiency and wide viewing angle |
| CN114895480A (en) * | 2022-05-18 | 2022-08-12 | 成都工业学院 | Wide-view-angle integrated imaging 3D display device |
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| CN108663820A (en) * | 2018-08-13 | 2018-10-16 | 成都工业学院 | A kind of wide viewing angle and high-resolution double vision 3D display device and method |
| CN108681091A (en) * | 2018-08-13 | 2018-10-19 | 成都工业学院 | With vision area high-resolution double vision 3D display device and method |
| CN108761824A (en) * | 2018-08-13 | 2018-11-06 | 成都工业学院 | Without crosstalk and high-resolution double vision 3D display device and method |
| CN108761824B (en) * | 2018-08-13 | 2024-05-24 | 合肥安达创展科技股份有限公司 | Crosstalk-free and high-resolution double-vision 3D display device and method |
| CN110398843B (en) * | 2019-07-28 | 2024-03-05 | 成都航空职业技术学院 | Dual-view 3D display device with wide view angle and uniform resolution |
| CN110389454A (en) * | 2019-07-28 | 2019-10-29 | 成都工业学院 | Integration imaging double vision 3D display device based on rectangle polarization arrays |
| CN110275312A (en) * | 2019-07-28 | 2019-09-24 | 成都工业学院 | Integration imaging 3D display device based on rectangle polarization arrays |
| CN110398843A (en) * | 2019-07-28 | 2019-11-01 | 成都工业学院 | The double vision 3D display device of wide viewing angle and non-uniform resolution |
| CN110389454B (en) * | 2019-07-28 | 2024-03-26 | 成都航空职业技术学院 | Integrated imaging double-vision 3D display device based on rectangular polarization array |
| CN110275312B (en) * | 2019-07-28 | 2024-03-26 | 成都航空职业技术学院 | Integrated imaging 3D display device based on rectangular polarization array |
| CN112305778A (en) * | 2020-11-09 | 2021-02-02 | 北京理工大学 | Method and system for expanding field angle of integrated imaging three-dimensional display system |
| CN113741048A (en) * | 2021-09-11 | 2021-12-03 | 成都工业学院 | One-dimensional integrated imaging 3D display device with high imaging efficiency and wide viewing angle |
| CN113741054B (en) * | 2021-09-11 | 2024-05-14 | 成都工业学院 | High resolution and wide viewing angle 3D display device |
| CN113741048B (en) * | 2021-09-11 | 2024-05-14 | 成都工业学院 | One-dimensional integrated imaging 3D display device with high imaging efficiency and wide viewing angle |
| CN113741054A (en) * | 2021-09-11 | 2021-12-03 | 成都工业学院 | High resolution and wide viewing angle 3D display device |
| CN114895480A (en) * | 2022-05-18 | 2022-08-12 | 成都工业学院 | Wide-view-angle integrated imaging 3D display device |
| CN114895480B (en) * | 2022-05-18 | 2024-05-10 | 成都工业学院 | Wide viewing angle integrated imaging 3D display device |
| CN116974091B (en) * | 2023-09-25 | 2023-11-28 | 成都工业学院 | Three-dimensional display tube |
| CN116974091A (en) * | 2023-09-25 | 2023-10-31 | 成都工业学院 | Three-dimensional display tube |
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Inventor after: Fan Wei Inventor after: Fan Jun Inventor after: Wu Rui Inventor after: Deng Hui Inventor after: Gao Yan Inventor after: Zhou Xing Inventor after: Wang Xun Inventor after: Feng Yanping Inventor before: Fan Wei Inventor before: Fan Jun Inventor before: Wu Rui Inventor before: Deng Hui Inventor before: Gao Yan |
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Granted publication date: 20180515 Termination date: 20190523 |
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