CN110412771B - Integrated imaging double-vision 3D display device based on micro-lens array - Google Patents
Integrated imaging double-vision 3D display device based on micro-lens array Download PDFInfo
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Abstract
The invention discloses an integrated imaging double-vision 3D display device and method based on a micro-lens array, wherein the integrated imaging double-vision 3D display device comprises a display screen, a polaroid, a pinhole array, a micro-lens array, polarized glasses I and polarized glasses II; the sub-microimage array I is correspondingly aligned with the sub-polaroid I, and the sub-microimage array II is correspondingly aligned with the sub-polaroid II; each image element I in the sub-micro image array I is reconstructed into a plurality of 3D images I through a corresponding pinhole and a plurality of corresponding micro lenses, and the 3D images I are combined into a uniform resolution 3D image I in a viewing area and can only be seen through polarized glasses I; each image element II in the sub-micro image array II is reconstructed into a plurality of 3D images II through a corresponding pinhole and a corresponding plurality of micro lenses, and the 3D images II are combined into a uniform resolution 3D image II in a viewing area and can only be seen through polarized glasses II.
Description
Technical Field
The present invention relates to 3D displays, and more particularly, to an integrated imaging dual vision 3D display device based on a microlens array.
Background
The integrated imaging dual-view 3D display is a fusion of the dual-view display technology and the integrated imaging 3D display technology. It may enable a viewer to see different 3D pictures in different viewing directions. However, the bottleneck problem of insufficient 3D resolution severely affects the viewer experience, thereby restricting the wide application of integrated imaging dual-view 3D display.
Furthermore, in conventional integrated imaging dual vision 3D displays:
(1) The two groups of image elements are square, and the horizontal pitch of the two groups of image elements is equal to the vertical pitch.
(2) The pinholes corresponding to the two groups of picture elements are square, and the horizontal pitch of the pinholes is equal to the vertical pitch.
For a cell phone, the ratio of the horizontal width to the vertical width of the cell phone is 3:4, 10:16, or 9:16. The defects are that: the total amount of 3D pixels of the two sets of 3D images is low, so that the number of 3D pixels in the horizontal direction is too small, thereby affecting the viewing effect.
For televisions and displays, the ratio of the horizontal width to the vertical width of the television and display is 4:3, 16:10, or 16:9. The defects are that: the total amount of 3D pixels of the two sets of 3D images is low, so that the 3D pixels in the vertical direction are too few, thereby affecting the viewing effect.
Disclosure of Invention
The invention provides an integrated imaging double-vision 3D display device based on a micro-lens array, which is shown in figures 1, 2 and 3 and is characterized by comprising a display screen, a polaroid, a pinhole array, a micro-lens array, polarized glasses I and polarized glasses II; the polaroid is attached to the display screen, and the pinhole array is attached to the micro-lens array; the polaroid is positioned between the display screen and the pinhole array, and the pinhole array is positioned between the display screen and the micro lens array; the display screen, the polaroid, the pinhole array and the micro lens array are arranged in parallel and aligned correspondingly; the horizontal widths of the display screen, the polaroid, the pinhole array and the micro lens array are the same; the vertical widths of the display screen, the polaroid, the pinhole array and the micro lens array are the same; the display screen is positioned on the focal plane of the micro-lens array and is used for displaying the micro-image array; as shown in fig. 4, the micro-image array consists of a sub-micro-image array I and a sub-micro-image array II; the sub-micro image array I is formed by continuously arranging image elements I, and the sub-micro image array II is formed by continuously arranging image elements II; as shown in fig. 5, the polarizer is composed of a sub-polarizer I and a sub-polarizer II, the sub-polarizer I being orthogonal to the polarization direction of the sub-polarizer II; the horizontal width of the sub-polaroid I is the same as that of the sub-polaroid II; the polarization direction of the polarized glasses I is the same as that of the sub-polaroid I, and the polarization direction of the polarized glasses II is the same as that of the sub-polaroid II; the sub-microimage array I is correspondingly aligned with the sub-polaroid I, and the sub-microimage array II is correspondingly aligned with the sub-polaroid II; as shown in fig. 6, in the pinhole array, the horizontal pitches of all pinholes are the same, the vertical pitches of all pinholes are the same, the horizontal aperture widths of all pinholes are the same, and the vertical aperture widths of all pinholes are the same; the horizontal width of the pinhole array is not equal to the vertical width; the ratio of the horizontal pitch to the vertical pitch of the pinholes is equal to the ratio of the horizontal width to the vertical width of the pinhole array; the horizontal aperture width of the pinhole is equal to the vertical aperture width; the horizontal pitch and the vertical pitch of the pinholes are multiples of the pitch of the microlenses; the horizontal aperture width and the vertical aperture width of the pinholes are multiples of the pitch of the microlenses; the center of each image element I in the sub-micro image array I is correspondingly aligned with the center of the corresponding pinhole, and the center of each image element II in the sub-micro image array II is correspondingly aligned with the center of the corresponding pinhole; the horizontal pitch of each image element I in the sub-micro image array I is the same as the horizontal pitch of the corresponding pinhole, and the vertical pitch of each image element I in the sub-micro image array I is the same as the vertical pitch of the corresponding pinhole; the horizontal pitch of each image element II in the sub-micro image array II is the same as the horizontal pitch of the corresponding pinhole, and the vertical pitch of each image element II in the sub-micro image array II is the same as the vertical pitch of the corresponding pinhole; each image element I in the sub-micro image array I is reconstructed into a plurality of 3D images I through a corresponding pinhole and a plurality of corresponding micro lenses, and the 3D images I are combined into a uniform resolution 3D image I in a viewing area and can only be seen through polarized glasses I; each image element II in the sub-micro image array II is reconstructed into a plurality of 3D images II through a corresponding pinhole and a corresponding plurality of micro lenses, and the 3D images II are combined into a uniform resolution 3D image II in a viewing area and can only be seen through polarized glasses II.
Preferably, the horizontal resolution of the 3D image I is the same as that of the 3D image II, and the vertical resolution of the 3D image I is the same as that of the 3D image II.
Preferably, the horizontal resolution R of the 3D image I 1 Vertical resolution R 2 The method comprises the following steps:
where p is the pitch of the microlenses, w is the horizontal aperture width of the pinholes, and m is the number of image elements I in the horizontal direction in the sub-microimage array I.
Preferably, the horizontal viewing angle of the 3D image I is the same as that of the 3D image II, and the vertical viewing angle of the 3D image I is the same as that of the 3D image II.
Preferably, the 3D image I has a horizontal viewing angle θ 1 Vertical viewing angle θ 2 The method comprises the following steps of:
where q is the horizontal pitch of the pinholes, p is the pitch of the microlenses, w is the horizontal aperture width of the pinholes, m is the number of image elements I in the horizontal direction of the sub-microimage array I, l is the viewing distance, f is the focal length of the microlenses, and a is the ratio of the vertical width to the horizontal width of the pinhole array.
Drawings
FIG. 1 is a schematic view of the structure and horizontal parameters of the present invention
FIG. 2 is a schematic view of the structure and vertical parameters of the 3D image I of the present invention
FIG. 3 is a schematic view of the structure and vertical parameters of the 3D image II of the present invention
FIG. 4 is a schematic diagram of a microimage array in accordance with the present invention
FIG. 5 is a schematic view of a polarizer of the present invention
FIG. 6 is a schematic diagram of a pinhole array according to the present invention
The graphic reference numerals in the above figures are:
1. the display screen, 2, polaroid, 3, pinhole array, 4, microlens array, 5, polarized glasses I,6, polarized glasses II,7, sub-polaroid I,8, sub-polaroid II,9, picture element I,10, picture element II,11, sub-microimage array I,12, sub-microimage array II.
It should be understood that the above-described figures are merely schematic and are not drawn to scale.
Detailed Description
An exemplary embodiment of the microlens array-based integrated imaging dual vision 3D display device of the present invention will be described in detail below, and the present invention will be described in further detail. It is noted that the following examples are given for the purpose of illustration only and are not to be construed as limiting the scope of the invention, since numerous insubstantial modifications and adaptations of the invention will be within the scope of the invention as viewed by one skilled in the art from the foregoing disclosure.
The invention provides an integrated imaging double-vision 3D display device based on a micro-lens array, which is shown in figures 1, 2 and 3 and is characterized by comprising a display screen, a polaroid, a pinhole array, a micro-lens array, polarized glasses I and polarized glasses II; the polaroid is attached to the display screen, and the pinhole array is attached to the micro-lens array; the polaroid is positioned between the display screen and the pinhole array, and the pinhole array is positioned between the display screen and the micro lens array; the display screen, the polaroid, the pinhole array and the micro lens array are arranged in parallel and aligned correspondingly; the horizontal widths of the display screen, the polaroid, the pinhole array and the micro lens array are the same; the vertical widths of the display screen, the polaroid, the pinhole array and the micro lens array are the same; the display screen is positioned on the focal plane of the micro-lens array and is used for displaying the micro-image array; as shown in fig. 4, the micro-image array consists of a sub-micro-image array I and a sub-micro-image array II; the sub-micro image array I is formed by continuously arranging image elements I, and the sub-micro image array II is formed by continuously arranging image elements II; as shown in fig. 5, the polarizer is composed of a sub-polarizer I and a sub-polarizer II, the sub-polarizer I being orthogonal to the polarization direction of the sub-polarizer II; the horizontal width of the sub-polaroid I is the same as that of the sub-polaroid II; the polarization direction of the polarized glasses I is the same as that of the sub-polaroid I, and the polarization direction of the polarized glasses II is the same as that of the sub-polaroid II; the sub-microimage array I is correspondingly aligned with the sub-polaroid I, and the sub-microimage array II is correspondingly aligned with the sub-polaroid II; as shown in fig. 6, in the pinhole array, the horizontal pitches of all pinholes are the same, the vertical pitches of all pinholes are the same, the horizontal aperture widths of all pinholes are the same, and the vertical aperture widths of all pinholes are the same; the horizontal width of the pinhole array is not equal to the vertical width; the ratio of the horizontal pitch to the vertical pitch of the pinholes is equal to the ratio of the horizontal width to the vertical width of the pinhole array; the horizontal aperture width of the pinhole is equal to the vertical aperture width; the horizontal pitch and the vertical pitch of the pinholes are multiples of the pitch of the microlenses; the horizontal aperture width and the vertical aperture width of the pinholes are multiples of the pitch of the microlenses; the center of each image element I in the sub-micro image array I is correspondingly aligned with the center of the corresponding pinhole, and the center of each image element II in the sub-micro image array II is correspondingly aligned with the center of the corresponding pinhole; the horizontal pitch of each image element I in the sub-micro image array I is the same as the horizontal pitch of the corresponding pinhole, and the vertical pitch of each image element I in the sub-micro image array I is the same as the vertical pitch of the corresponding pinhole; the horizontal pitch of each image element II in the sub-micro image array II is the same as the horizontal pitch of the corresponding pinhole, and the vertical pitch of each image element II in the sub-micro image array II is the same as the vertical pitch of the corresponding pinhole; each image element I in the sub-micro image array I is reconstructed into a plurality of 3D images I through a corresponding pinhole and a plurality of corresponding micro lenses, and the 3D images I are combined into a uniform resolution 3D image I in a viewing area and can only be seen through polarized glasses I; each image element II in the sub-micro image array II is reconstructed into a plurality of 3D images II through a corresponding pinhole and a corresponding plurality of micro lenses, and the 3D images II are combined into a uniform resolution 3D image II in a viewing area and can only be seen through polarized glasses II.
Preferably, the horizontal resolution of the 3D image I is the same as that of the 3D image II, and the vertical resolution of the 3D image I is the same as that of the 3D image II.
Preferably, the horizontal resolution R of the 3D image I 1 Vertical resolution R 2 The method comprises the following steps:
where p is the pitch of the microlenses, w is the horizontal aperture width of the pinholes, and m is the number of image elements I in the horizontal direction in the sub-microimage array I.
Preferably, the horizontal viewing angle of the 3D image I is the same as that of the 3D image II, and the vertical viewing angle of the 3D image I is the same as that of the 3D image II.
Preferably, the 3D image I has a horizontal viewing angle θ 1 Vertical viewing angle θ 2 The method comprises the following steps of:
where q is the horizontal pitch of the pinholes, p is the pitch of the microlenses, w is the horizontal aperture width of the pinholes, m is the number of image elements I in the horizontal direction of the sub-microimage array I, l is the viewing distance, f is the focal length of the microlenses, and a is the ratio of the vertical width to the horizontal width of the pinhole array.
The ratio of the horizontal width to the vertical width of the pinhole array is 16:10, the number of image elements I in the horizontal direction of the sub-microimage array I is 50, the horizontal pitch of pinholes is 8mm, the horizontal aperture width of pinholes is 2mm, the pitch of microlenses is 1mm, the focal length of the microlenses is 5mm, and the viewing distance is 1000mm, then the horizontal resolutions of the 3D image I and the 3D image II obtained by calculation of the formulas (1), (2) and (3) are 100, the vertical resolutions are 100, the horizontal viewing angles are 52 degrees, and the vertical viewing angles are 66 degrees.
Claims (5)
1. The integrated imaging double-vision 3D display device based on the micro-lens array is characterized by comprising a display screen, a polaroid, a pinhole array, a micro-lens array, polarized glasses I and polarized glasses II; the polaroid is attached to the display screen, and the pinhole array is attached to the micro-lens array; the polaroid is positioned between the display screen and the pinhole array, and the pinhole array is positioned between the display screen and the micro lens array; the display screen, the polaroid, the pinhole array and the micro lens array are arranged in parallel and aligned correspondingly; the horizontal widths of the display screen, the polaroid, the pinhole array and the micro lens array are the same; the vertical widths of the display screen, the polaroid, the pinhole array and the micro lens array are the same; the display screen is positioned on the focal plane of the micro-lens array and is used for displaying the micro-image array; the micro-image array consists of a sub-micro-image array I and a sub-micro-image array II; the sub-micro image array I is formed by continuously arranging image elements I, and the sub-micro image array II is formed by continuously arranging image elements II; the polaroid consists of a sub-polaroid I and a sub-polaroid II, and the sub-polaroid I is orthogonal to the polarization direction of the sub-polaroid II; the horizontal width of the sub-polaroid I is the same as that of the sub-polaroid II; the polarization direction of the polarized glasses I is the same as that of the sub-polaroid I, and the polarization direction of the polarized glasses II is the same as that of the sub-polaroid II; the sub-microimage array I is correspondingly aligned with the sub-polaroid I, and the sub-microimage array II is correspondingly aligned with the sub-polaroid II; in the pinhole array, the horizontal pitches of all pinholes are the same, the vertical pitches of all pinholes are the same, the horizontal aperture widths of all pinholes are the same, and the vertical aperture widths of all pinholes are the same; the horizontal width of the pinhole array is not equal to the vertical width; the ratio of the horizontal pitch to the vertical pitch of the pinholes is equal to the ratio of the horizontal width to the vertical width of the pinhole array; the horizontal aperture width of the pinhole is equal to the vertical aperture width; the horizontal pitch and the vertical pitch of the pinholes are multiples of the pitch of the microlenses; the horizontal aperture width and the vertical aperture width of the pinholes are multiples of the pitch of the microlenses; the center of each image element I in the sub-micro image array I is correspondingly aligned with the center of the corresponding pinhole, and the center of each image element II in the sub-micro image array II is correspondingly aligned with the center of the corresponding pinhole; the horizontal pitch of each image element I in the sub-micro image array I is the same as the horizontal pitch of the corresponding pinhole, and the vertical pitch of each image element I in the sub-micro image array I is the same as the vertical pitch of the corresponding pinhole; the horizontal pitch of each image element II in the sub-micro image array II is the same as the horizontal pitch of the corresponding pinhole, and the vertical pitch of each image element II in the sub-micro image array II is the same as the vertical pitch of the corresponding pinhole; each image element I in the sub-micro image array I is reconstructed into a plurality of 3D images I through a corresponding pinhole and a plurality of corresponding micro lenses, and the 3D images I are combined into a uniform resolution 3D image I in a viewing area and can only be seen through polarized glasses I; each image element II in the sub-micro image array II is reconstructed into a plurality of 3D images II through a corresponding pinhole and a corresponding plurality of micro lenses, and the 3D images II are combined into a uniform resolution 3D image II in a viewing area and can only be seen through polarized glasses II.
2. The integrated imaging dual view 3D display device based on a microlens array according to claim 1, wherein the horizontal resolution of the 3D image I is the same as the horizontal resolution of the 3D image II, and the vertical resolution of the 3D image I is the same as the vertical resolution of the 3D image II.
3. The integrated imaging dual vision 3D display device based on microlens array according to claim 2, characterized in that the horizontal resolution R of the 3D image I 1 Vertical resolution R 2 The method comprises the following steps:
where p is the pitch of the microlenses, w is the horizontal aperture width of the pinholes, and m is the number of image elements I in the horizontal direction in the sub-microimage array I.
4. The integrated imaging dual view 3D display device based on a microlens array according to claim 1, wherein the horizontal viewing angle of the 3D image I is the same as the horizontal viewing angle of the 3D image II, and the vertical viewing angle of the 3D image I is the same as the vertical viewing angle of the 3D image II.
5. The microlens array-based integrated imaging dual view 3D display device of claim 4, wherein the horizontal viewing angle θ of the 3D image I 1 Vertical viewing angle θ 2 The method comprises the following steps of:
where q is the horizontal pitch of the pinholes, p is the pitch of the microlenses, w is the horizontal aperture width of the pinholes, m is the number of image elements I in the horizontal direction of the sub-microimage array I, l is the viewing distance, f is the focal length of the microlenses, and a is the ratio of the vertical width to the horizontal width of the pinhole array.
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| CN111045221B (en) * | 2020-02-19 | 2024-08-13 | 成都工业学院 | Double-vision 3D display device based on polaroid |
| CN111781737B (en) * | 2020-08-30 | 2023-06-13 | 成都航空职业技术学院 | High-resolution double-view 3D display device and method |
| CN111781736B (en) * | 2020-08-30 | 2023-07-14 | 成都航空职业技术学院 | 3D display device and method based on composite pinhole polaroid |
| CN112859366B (en) * | 2021-04-01 | 2022-11-15 | 成都航空职业技术学院 | Double-vision 3D display method based on composite polaroid |
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