CN214751128U - Device based on compound gradual change pitch pinhole array and polarization array - Google Patents
Device based on compound gradual change pitch pinhole array and polarization array Download PDFInfo
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- CN214751128U CN214751128U CN202121276881.1U CN202121276881U CN214751128U CN 214751128 U CN214751128 U CN 214751128U CN 202121276881 U CN202121276881 U CN 202121276881U CN 214751128 U CN214751128 U CN 214751128U
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Abstract
The utility model discloses a device based on compound gradual change pitch pinhole array and polarization array, including display screen, polarization array I, polarization array II and compound gradual change pitch pinhole array; the horizontal pitches of the one-dimensional pinholes and the two-dimensional pinholes in the same column of the composite gradient pitch pinhole array are the same; the one-dimensional image element is used for reconstructing a one-dimensional 3D image through the corresponding polarization unit I in the polarization array I, the corresponding polarization unit I in the polarization array II and the one-dimensional pinholes, and cannot penetrate through two-dimensional pinholes adjacent to the corresponding one-dimensional pinholes in the horizontal direction and the vertical direction; the two-dimensional image element reconstructs a two-dimensional 3D image through the corresponding polarization unit II in the polarization array I, the polarization unit II in the polarization array II and the two-dimensional pinholes, and the two-dimensional image element cannot penetrate through one-dimensional pinholes which are adjacent to the corresponding two-dimensional pinholes in the horizontal and vertical directions; the one-dimensional 3D image and the two-dimensional 3D image are combined into a wide-viewing-angle 3D image in the viewing area.
Description
Technical Field
The utility model relates to a 3D shows, more specifically says, the utility model relates to a device based on compound gradual change pitch pinhole array and polarization array.
Background
3D display based on integrated imaging, namely integrated imaging 3D display for short, is true 3D display. Compared with the vision-aiding/grating 3D display, the three-dimensional stereoscopic vision-aiding display has the remarkable advantages of no stereoscopic vision fatigue and the like; compared with holographic 3D display, the method has the advantages of relatively small data volume, no need of coherent light source, no harsh environmental requirements and the like. Therefore, the integrated imaging 3D display has become one of the international leading edge 3D display modes at present, and is also the most promising naked-eye true 3D display mode for realizing 3D television. The existing integrated imaging 3D display device based on the composite gradual change pitch pinhole array has the advantages of wide horizontal viewing angle, high resolution and the like. However, the existing integrated imaging 3D display device based on the composite gradual pitch pinhole array has the disadvantages that the horizontal and vertical viewing angles are inversely proportional to the horizontal and vertical aperture widths of the two-dimensional pinholes, respectively.
Disclosure of Invention
The utility model provides a device based on compound gradual change pitch pinhole array and polarization array, as shown in figure 1, its characterized in that, including display screen, polarization array I, polarization array II and compound gradual change pitch pinhole array; a display screen is arranged on the display screen,the polarization array I, the polarization array II and the composite gradient pitch pinhole array are arranged in parallel and are correspondingly aligned; the polarization array I is tightly attached to the display screen and is positioned between the display screen and the polarization array II; the polarization array II is tightly attached to the composite gradient pitch pinhole array and is positioned between the composite gradient pitch pinhole array and the polarization array I; the compound gradual change pitch pinhole array comprises one-dimensional pinholes and two-dimensional pinholes, as shown in figure 2; the one-dimensional pinholes and the two-dimensional pinholes are arranged at intervals in the horizontal and vertical directions; the display screen is used for displaying the one-dimensional image element and the two-dimensional image element, as shown in fig. 3; the one-dimensional image elements and the two-dimensional image elements are arranged at intervals in the horizontal and vertical directions; the polarization array I comprises a polarization unit I and a polarization unit II which are arranged at intervals in the horizontal and vertical directions, as shown in FIG. 4; the polarization array II comprises a polarization unit I and a polarization unit II which are arranged at intervals in the horizontal and vertical directions, as shown in FIG. 5; the polarization directions of the polarization unit I and the polarization unit II are orthogonal; the horizontal pitches of the one-dimensional pinholes and the two-dimensional pinholes in the same column of the composite gradient pitch pinhole array are the same; the vertical pitches of the one-dimensional pinholes and the two-dimensional pinholes in the composite gradient pitch pinhole array are the same; is located in a compound gradual pitch pinhole arrayiHorizontal pitch of one-dimensional pinholes and two-dimensional pinholes of columnsH i Is composed of
Wherein the content of the first and second substances,pis the horizontal pitch of one-dimensional pinholes and two-dimensional pinholes in the middle of the composite gradual pitch pinhole array,gis the distance between the display screen and the composite gradual pitch pinhole array,lis the viewing distance, the distance between the viewer,n 1is the number of one-dimensional pinholes in odd rows of the composite gradient pitch pinhole array,n 2the number of the two-dimensional pinholes in the odd rows of the composite gradient pitch pinhole array; the horizontal pitch of the one-dimensional image elements is equal to that of the one-dimensional pinholes corresponding to the one-dimensional image elements, and the horizontal pitch of the two-dimensional image elements is equal to that of the two-dimensional pinholes corresponding to the two-dimensional image elements; polarization arrayThe horizontal pitch of the polarization unit I in the polarization array I is equal to that of the one-dimensional pinhole corresponding to the polarization unit I, and the horizontal pitch of the polarization unit I in the polarization array II is equal to that of the one-dimensional pinhole corresponding to the polarization unit I; the horizontal pitch of the polarization unit II in the polarization array I is equal to that of the two-dimensional pinhole corresponding to the polarization unit II, and the horizontal pitch of the polarization unit II in the polarization array II is equal to that of the two-dimensional pinhole corresponding to the polarization unit II; the vertical pitches of the one-dimensional image element, the two-dimensional image element, the polarization unit I and the polarization unit II are equal to the vertical pitches of the one-dimensional pinhole and the two-dimensional pinhole; the one-dimensional image element is used for reconstructing a one-dimensional 3D image through the corresponding polarization unit I in the polarization array I, the corresponding polarization unit I in the polarization array II and the one-dimensional pinholes, and cannot penetrate through two-dimensional pinholes adjacent to the corresponding one-dimensional pinholes in the horizontal direction and the vertical direction; the two-dimensional image element reconstructs a two-dimensional 3D image through the corresponding polarization unit II in the polarization array I, the polarization unit II in the polarization array II and the two-dimensional pinholes, and the two-dimensional image element cannot penetrate through one-dimensional pinholes which are adjacent to the corresponding two-dimensional pinholes in the horizontal and vertical directions; the one-dimensional 3D image and the two-dimensional 3D image are combined into a wide-view-angle 3D image in a viewing area; horizontal viewing angleθ 1Vertical viewing angleθ 2Vertical resolution of odd columnsR 1Vertical resolution of even columnsR 2Horizontal resolution of odd rowsR 3Horizontal resolution of even rowsR 4Is composed of
Wherein the content of the first and second substances,qis the vertical pitch of the one-dimensional pinholes and the two-dimensional pinholes,m 1is the number of one-dimensional pinholes in the odd columns of the composite gradient pitch pinhole array,m 2is the number of two-dimensional pinholes in the odd columns of the composite gradient pitch pinhole array,m 3is the number of one-dimensional pinholes in the even number columns of the composite gradual change pitch pinhole array,m 4is the number of two-dimensional pinholes in the even number columns of the composite graded pitch pinhole array,xis the pitch of a single pixel of the display screen,wis the horizontal aperture width of the one-dimensional pinholes and the two-dimensional pinholes,vis the vertical aperture width of the two-dimensional pinhole.
Drawings
FIG. 1 is a schematic view of the present invention
FIG. 2 is a schematic structural view of the compound gradient pitch pinhole array of the present invention
FIG. 3 is a schematic diagram of the arrangement of the one-dimensional image elements and the two-dimensional image elements according to the present invention
FIG. 4 is a schematic structural diagram of the polarization array I of the present invention
FIG. 5 is a schematic structural diagram of the polarization array II of the present invention
The reference numbers in the figures are:
1. the display screen comprises a display screen, 2, a polarization array I, 3, a polarization array II, 4, a composite gradient pitch pinhole array, 5, one-dimensional pinholes, 6, two-dimensional pinholes, 7, one-dimensional image elements, 8, two-dimensional image elements, 9, a polarization unit I and 10, and a polarization unit II.
It should be understood that the above-described figures are merely schematic and are not drawn to scale.
Detailed Description
The following detailed description of an exemplary embodiment of the present invention based on a composite graded pitch pinhole array and polarization array is provided for further details. It is necessary to point out here that the following examples are only used for further illustration of the present invention, and should not be understood as limiting the scope of the present invention, and those skilled in the art can make some non-essential improvements and modifications to the present invention according to the above-mentioned contents of the present invention, and still fall into the scope of the present invention.
The utility model provides a device based on compound gradual change pitch pinhole array and polarization array, as shown in figure 1, its characterized in that, including display screen, polarization array I, polarization array II and compound gradual change pitch pinhole array; the display screen, the polarization array I, the polarization array II and the composite gradient pitch pinhole array are arranged in parallel and are correspondingly aligned; the polarization array I is tightly attached to the display screen and is positioned between the display screen and the polarization array II; the polarization array II is tightly attached to the composite gradient pitch pinhole array and is positioned between the composite gradient pitch pinhole array and the polarization array I; the compound gradual change pitch pinhole array comprises one-dimensional pinholes and two-dimensional pinholes, as shown in figure 2; the one-dimensional pinholes and the two-dimensional pinholes are arranged at intervals in the horizontal and vertical directions; the display screen is used for displaying the one-dimensional image element and the two-dimensional image element, as shown in fig. 3; the one-dimensional image elements and the two-dimensional image elements are arranged at intervals in the horizontal and vertical directions; the polarization array I comprises a polarization unit I and a polarization unit II which are arranged at intervals in the horizontal and vertical directions, as shown in FIG. 4; the polarization array II comprises a polarization unit I and a polarization unit II which are arranged at intervals in the horizontal and vertical directions, as shown in FIG. 5; the polarization directions of the polarization unit I and the polarization unit II are orthogonal; the horizontal pitches of the one-dimensional pinholes and the two-dimensional pinholes in the same column of the composite gradient pitch pinhole array are the same; the vertical pitches of the one-dimensional pinholes and the two-dimensional pinholes in the composite gradient pitch pinhole array are the same; is located in a compound gradual pitch pinhole arrayiHorizontal pitch of one-dimensional pinholes and two-dimensional pinholes of columnsH i Is composed of
Wherein the content of the first and second substances,pis the horizontal pitch of one-dimensional pinholes and two-dimensional pinholes in the middle of the composite gradual pitch pinhole array,gis the distance between the display screen and the composite gradual pitch pinhole array,lis the viewing distance, the distance between the viewer,n 1is the number of one-dimensional pinholes in odd rows of the composite gradient pitch pinhole array,n 2the number of the two-dimensional pinholes in the odd rows of the composite gradient pitch pinhole array; the horizontal pitch of the one-dimensional image elements is equal to that of the one-dimensional pinholes corresponding to the one-dimensional image elements, and the horizontal pitch of the two-dimensional image elements is equal to that of the two-dimensional pinholes corresponding to the two-dimensional image elements; the horizontal pitch of the polarization unit I in the polarization array I is equal to that of the one-dimensional pinhole corresponding to the polarization unit I, and the horizontal pitch of the polarization unit I in the polarization array II is equal to that of the one-dimensional pinhole corresponding to the polarization unit I; the horizontal pitch of the polarization unit II in the polarization array I is equal to that of the two-dimensional pinhole corresponding to the polarization unit II, and the horizontal pitch of the polarization unit II in the polarization array II is equal to that of the two-dimensional pinhole corresponding to the polarization unit II; the vertical pitches of the one-dimensional image element, the two-dimensional image element, the polarization unit I and the polarization unit II are equal to the vertical pitches of the one-dimensional pinhole and the two-dimensional pinhole; the one-dimensional image element is used for reconstructing a one-dimensional 3D image through the corresponding polarization unit I in the polarization array I, the corresponding polarization unit I in the polarization array II and the one-dimensional pinholes, and cannot penetrate through two-dimensional pinholes adjacent to the corresponding one-dimensional pinholes in the horizontal direction and the vertical direction; the two-dimensional image element reconstructs a two-dimensional 3D image through the corresponding polarization unit II in the polarization array I, the polarization unit II in the polarization array II and the two-dimensional pinholes, and the two-dimensional image element cannot penetrate through one-dimensional pinholes which are adjacent to the corresponding two-dimensional pinholes in the horizontal and vertical directions; the one-dimensional 3D image and the two-dimensional 3D image are combined into a wide-view-angle 3D image in a viewing area; horizontal viewing angleθ 1Vertical viewing angleθ 2Vertical resolution of odd columnsR 1Vertical resolution of even columnsR 2Horizontal resolution of odd rowsR 3Horizontal resolution of even rowsR 4Is composed of
Wherein the content of the first and second substances,qis the vertical pitch of the one-dimensional pinholes and the two-dimensional pinholes,m 1is the number of one-dimensional pinholes in the odd columns of the composite gradient pitch pinhole array,m 2is the number of two-dimensional pinholes in the odd columns of the composite gradient pitch pinhole array,m 3is the number of one-dimensional pinholes in the even number columns of the composite gradual change pitch pinhole array,m 4is the number of two-dimensional pinholes in the even number columns of the composite graded pitch pinhole array,xis the pitch of a single pixel of the display screen,wis the horizontal aperture width of the one-dimensional pinholes and the two-dimensional pinholes,vis the vertical aperture width of the two-dimensional pinhole.
The horizontal pitch of one-dimensional pinholes and two-dimensional pinholes in the middle of the composite gradient pitch pinhole array is 20mm, the vertical pitch of the one-dimensional pinholes and the two-dimensional pinholes is 20mm, the distance between the display screen and the composite gradient pitch pinhole array is 20mm, the viewing distance is 420mm, the number of one-dimensional pinholes in odd rows of the composite gradient pitch pinhole array is 2, the number of two-dimensional pinholes in odd rows of the composite gradient pitch pinhole array is 1, the horizontal aperture width of the one-dimensional pinholes and the two-dimensional pinholes is 4mm, the vertical aperture width of the two-dimensional pinholes is 4mm, the number of one-dimensional pinholes in odd rows of the composite gradient pitch pinhole array is 2, the number of two-dimensional pinholes in odd rows of the composite gradient pitch pinhole array is 2, the number of one-dimensional pinholes in even rows of the composite gradient pitch pinhole array is 2, and the number of two-dimensional pinholes in even rows of the composite gradient pitch array is 2, the pitch of a single pixel of the display screen is 1mm, the horizontal pitches of one-dimensional pinholes and two-dimensional pinholes in 1-3 rows of the composite gradual-change pitch pinhole array obtained through calculation in the formula (1) are 22mm, 20mm and 22mm, the horizontal viewing angle obtained through calculation in the formula (2) is 62 degrees, the vertical viewing angle obtained through calculation in the formula (3) is 60 degrees, the vertical resolution of odd-numbered rows is 42 degrees obtained through calculation in the formula (4), the vertical resolution of even-numbered rows is 42 degrees obtained through calculation in the formula (5), and the horizontal resolutions of odd-numbered rows and even-numbered rows are 3 degrees through calculation in the formula (6). In a conventional integrated imaging 3D display based on a gradual pitch pinhole array, the horizontal viewing angle is 44 ° and the vertical viewing angle is 42 °.
Claims (1)
1. The device based on the composite gradient pitch pinhole array and the polarization array is characterized by comprising a display screen, a polarization array I, a polarization array II and a composite gradient pitch pinhole array; the display screen, the polarization array I, the polarization array II and the composite gradient pitch pinhole array are arranged in parallel and are correspondingly aligned; the polarization array I is tightly attached to the display screen and is positioned between the display screen and the polarization array II; the polarization array II is tightly attached to the composite gradient pitch pinhole array and is positioned between the composite gradient pitch pinhole array and the polarization array I; the composite gradient pitch pinhole array comprises one-dimensional pinholes and two-dimensional pinholes; the one-dimensional pinholes and the two-dimensional pinholes are arranged at intervals in the horizontal and vertical directions; the display screen is used for displaying the one-dimensional image elements and the two-dimensional image elements; the one-dimensional image elements and the two-dimensional image elements are arranged at intervals in the horizontal and vertical directions; the polarization array I comprises a polarization unit I and a polarization unit II, and the polarization unit I and the polarization unit II are arranged at intervals in the horizontal and vertical directions; the polarization array II comprises a polarization unit I and a polarization unit IIThe horizontal and vertical directions are arranged at intervals; the polarization directions of the polarization unit I and the polarization unit II are orthogonal; the horizontal pitches of the one-dimensional pinholes and the two-dimensional pinholes in the same column of the composite gradient pitch pinhole array are the same; the vertical pitches of the one-dimensional pinholes and the two-dimensional pinholes in the composite gradient pitch pinhole array are the same; is located in a compound gradual pitch pinhole arrayiHorizontal pitch of one-dimensional pinholes and two-dimensional pinholes of columnsH i Is composed of
Wherein the content of the first and second substances,pis the horizontal pitch of one-dimensional pinholes and two-dimensional pinholes in the middle of the composite gradual pitch pinhole array,gis the distance between the display screen and the composite gradual pitch pinhole array,lis the viewing distance, the distance between the viewer,n 1is the number of one-dimensional pinholes in odd rows of the composite gradient pitch pinhole array,n 2the number of the two-dimensional pinholes in the odd rows of the composite gradient pitch pinhole array; the horizontal pitch of the one-dimensional image elements is equal to that of the one-dimensional pinholes corresponding to the one-dimensional image elements, and the horizontal pitch of the two-dimensional image elements is equal to that of the two-dimensional pinholes corresponding to the two-dimensional image elements; the horizontal pitch of the polarization unit I in the polarization array I is equal to that of the one-dimensional pinhole corresponding to the polarization unit I, and the horizontal pitch of the polarization unit I in the polarization array II is equal to that of the one-dimensional pinhole corresponding to the polarization unit I; the horizontal pitch of the polarization unit II in the polarization array I is equal to that of the two-dimensional pinhole corresponding to the polarization unit II, and the horizontal pitch of the polarization unit II in the polarization array II is equal to that of the two-dimensional pinhole corresponding to the polarization unit II; the vertical pitches of the one-dimensional image element, the two-dimensional image element, the polarization unit I and the polarization unit II are equal to the vertical pitches of the one-dimensional pinhole and the two-dimensional pinhole; the one-dimensional image element is used for reconstructing a one-dimensional 3D image through the corresponding polarization unit I in the polarization array I, the corresponding polarization unit I in the polarization array II and the one-dimensional pinholes, and cannot penetrate through two-dimensional pinholes adjacent to the corresponding one-dimensional pinholes in the horizontal direction and the vertical direction; two-dimensional image element transmits polarization unit II in corresponding polarization array I and polarization unit in corresponding polarization array IIII, reconstructing a two-dimensional 3D image by the two-dimensional pinholes, wherein the two-dimensional pinholes cannot penetrate through one-dimensional pinholes which are adjacent to the corresponding two-dimensional pinholes in the horizontal and vertical directions; the one-dimensional 3D image and the two-dimensional 3D image are combined into a wide-view-angle 3D image in a viewing area; horizontal viewing angleθ 1Vertical viewing angleθ 2Vertical resolution of odd columnsR 1Vertical resolution of even columnsR 2Horizontal resolution of odd rowsR 3Horizontal resolution of even rowsR 4Is composed of
Wherein the content of the first and second substances,qis the vertical pitch of the one-dimensional pinholes and the two-dimensional pinholes,m 1is the number of one-dimensional pinholes in the odd columns of the composite gradient pitch pinhole array,m 2is the number of two-dimensional pinholes in the odd columns of the composite gradient pitch pinhole array,m 3is the number of one-dimensional pinholes in the even number columns of the composite gradual change pitch pinhole array,m 4is the number of two-dimensional pinholes in the even number row of the composite gradual change pitch pinhole array，xIs the pitch of a single pixel of the display screen,wis the horizontal aperture width of the one-dimensional pinholes and the two-dimensional pinholes,vis the vertical aperture width of the two-dimensional pinhole.
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| CN202121276881.1U CN214751128U (en) | 2021-06-09 | 2021-06-09 | Device based on compound gradual change pitch pinhole array and polarization array |
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| CN202121276881.1U CN214751128U (en) | 2021-06-09 | 2021-06-09 | Device based on compound gradual change pitch pinhole array and polarization array |
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