阅读说明：本技术 分辨率均匀的高分辨率3d显示装置 (High-resolution 3D display device with uniform resolution ) 是由 吴非 樊为 高燕 范钧 陈章达 谢了尖 徐雯 任洪娇 曾星 于 2021-09-11 设计创作，主要内容包括：本发明公开了分辨率均匀的高分辨率3D显示装置,包括显示屏、偏振矩形针孔阵列I和偏振矩形针孔阵列II；与单个矩形图像元对应的相邻矩形透光针孔I的间隔宽度大于位于该相邻矩形透光针孔I之间的矩形透光针孔II的水平孔径宽度；每个矩形图像元发出的一部分光线经过偏振矩形针孔阵列I,且被偏振矩形针孔阵列I调制成具有相同偏振方向的偏振光I,偏振光I通过与该矩形图像元对应的矩形透光针孔II投射到成像空间,重建3D图像；每个矩形图像元发出的一部分光线通过与该矩形图像元对应的矩形透光针孔I,经过偏振矩形针孔阵列II投射到成像空间,重建3D图像；重建的3D图像在观看区域合并成一个分辨率均匀的高分辨率3D图像。(The invention discloses a high-resolution 3D display device with uniform resolution, which comprises a display screen, a polarized rectangular pinhole array I and a polarized rectangular pinhole array II, wherein the polarized rectangular pinhole array I is arranged on the display screen; the interval width of adjacent rectangular light-transmitting pinholes I corresponding to a single rectangular image element is larger than the horizontal aperture width of a rectangular light-transmitting pinhole II positioned between the adjacent rectangular light-transmitting pinholes I; a part of light rays emitted by each rectangular image element pass through the polarized rectangular pinhole array I and are modulated into polarized light I with the same polarization direction by the polarized rectangular pinhole array I, and the polarized light I is projected to an imaging space through a rectangular light-transmitting pinhole II corresponding to the rectangular image element to reconstruct a 3D image; a part of light rays emitted by each rectangular image element pass through a rectangular light-transmitting pinhole I corresponding to the rectangular image element and are projected to an imaging space through a polarized rectangular pinhole array II, and a 3D image is reconstructed; the reconstructed 3D images are combined in the viewing area into a high resolution 3D image of uniform resolution.)

1. The high-resolution 3D display device with uniform resolution is characterized by comprising a display screen, a polarized rectangular pinhole array I and a polarized rectangular pinhole array II; the display screen, the polarization rectangular pinhole array I and the polarization rectangular pinhole array II are sequentially arranged in parallel; the polarization direction of the polarization rectangular pinhole array I is orthogonal to that of the polarization rectangular pinhole array II; the polarization rectangular pinhole array I is provided with rectangular light-transmitting pinholes I; the polarization rectangular pinhole array II is provided with rectangular light-transmitting pinholes II; the display screen is used for displaying the rectangular image element array; a plurality of rectangular light-transmitting pinholes I corresponding to a single rectangular image element are horizontally and symmetrically arranged by taking the center of the rectangular image element as a center; the interval widths of the adjacent rectangular light-transmitting pinholes I corresponding to the single rectangular image element are the same; rectangular light-transmitting needle corresponding to single rectangular image elementThe hole II is positioned between the adjacent rectangular light-transmitting pinholes I corresponding to the rectangular image element, and only one rectangular light-transmitting pinhole II is arranged between the adjacent rectangular light-transmitting pinholes I corresponding to the single rectangular image element; the centers of the rectangular light-transmitting pinholes II positioned between the adjacent rectangular light-transmitting pinholes I are correspondingly aligned with the centers of the intervals of the adjacent rectangular light-transmitting pinholes I; the interval width of adjacent rectangular light-transmitting pinholes I corresponding to a single rectangular image element is larger than the horizontal aperture width of a rectangular light-transmitting pinhole II positioned between the adjacent rectangular light-transmitting pinholes I; the centers of the rectangular light-transmitting pinhole I and the rectangular light-transmitting pinhole II are aligned with the horizontal central axis of the corresponding rectangular image element; horizontal pitch of rectangular picture elementspPitch to verticalqSatisfies the following formula

Wherein the content of the first and second substances,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,bis the ratio of the vertical width to the horizontal width of the display screen; a part of light rays emitted by each rectangular image element pass through the polarized rectangular pinhole array I and are modulated into polarized light I with the same polarization direction by the polarized rectangular pinhole array I, and the polarized light I is projected to an imaging space through a rectangular light-transmitting pinhole II corresponding to the rectangular image element to reconstruct a 3D image; a part of light rays emitted by each rectangular image element pass through a rectangular light-transmitting pinhole I corresponding to the rectangular image element and are projected to an imaging space through a polarized rectangular pinhole array II, and a 3D image is reconstructed; the reconstructed 3D images are combined in the viewing area into a high resolution 3D image of uniform resolution.

2. The uniform resolution high resolution 3D display device according to claim 1, wherein the horizontal resolution of the uniform resolution high resolution 3D display devicer ₁Vertical resolutionr ₂Is composed of

Wherein the content of the first and second substances,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,mis the number of rectangular picture elements in the horizontal direction of the rectangular picture element array.

3. The 3D display device with uniform resolution according to claim 1, wherein the horizontal aperture width of the rectangular light-transmitting pinhole I isw ₁Horizontal aperture width of rectangular light-transmitting pinhole IIw ₂ 、Interval width of adjacent rectangular light-transmitting pinhole I corresponding to single rectangular image elementaThickness of polarized rectangular pinhole array Is、Thickness of polarized rectangular pinhole array IItSatisfies the following formula

Wherein the content of the first and second substances,pis the horizontal pitch of the rectangular picture elements,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,gis the distance between the display screen and the polarized rectangular pinhole array I,dthe distance between the polarization rectangular pinhole array I and the polarization rectangular pinhole array II is shown.

4. The uniform resolution high resolution 3D display device according to claim 1, wherein the rectangular light transmissive pinholesWidth of vertical aperture of Iv ₁And the vertical aperture width of the rectangular light-transmitting pinhole IIv ₂Satisfies the following formula

Wherein the content of the first and second substances,pis the horizontal pitch of the rectangular picture elements,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,bis the ratio of the vertical width to the horizontal width of the display screen,gis the distance between the display screen and the polarized rectangular pinhole array I,sis the thickness of the polarized rectangular pinhole array I,dis the distance between a polarization rectangular pinhole array I and a polarization rectangular pinhole array II,tis the thickness of the polarized rectangular pinhole array II.

5. The uniform-resolution high-resolution 3D display device according to claim 4, wherein the horizontal aperture width of the rectangular light-transmissive pinhole I isw ₁The width of the horizontal aperture of the rectangular light-transmitting pinhole IIw ₂Satisfies the following formula

Wherein the content of the first and second substances,pis the horizontal pitch of the rectangular picture elements,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,ais the separation width of adjacent rectangular light-transmissive pinholes I corresponding to a single rectangular image element.

Technical Field

The present invention relates to 3D display, and more particularly, to a high resolution 3D display device with uniform resolution.

Background

The integrated imaging records the information of the 3D scene to a photosensitive film, and projects the information on the photosensitive film to an imaging space by utilizing the principle of reversible light path, thereby reconstructing the 3D scene. Compared with other 3D displays, the integrated imaging 3D display has the advantages of continuous viewing viewpoints, no need of vision-aiding equipment and coherent light and the like. The existing technical scheme adopts a plurality of groups of light-transmitting pinholes to realize high-resolution integrated imaging to display 3D: the pinhole array comprises a plurality of groups of light-transmitting pinholes; the number of each group of light-transmitting pinholes is equal to the number of image elements; the distance between two adjacent groups of light-transmitting pinholes is the same; a plurality of light-transmitting pinholes corresponding to the same image element are symmetrical by taking the center of the image element as a center; the pitches of the light-transmitting pinholes are equal to the pitches of the image elements; and the image elements respectively reconstruct a plurality of 3D images through a plurality of groups of light-transmitting pinholes and combine the images into a high-resolution 3D image in a viewing area. However, the above-mentioned solutions still have the problem of insufficient resolution.

Disclosure of Invention

The invention provides a high-resolution 3D display device with uniform resolution, which is characterized by comprising a display screen, a polarized rectangular pinhole array I and a polarized rectangular pinhole array II, wherein the display screen is as shown in attached figures 1 and 2; the display screen, the polarization rectangular pinhole array I and the polarization rectangular pinhole array II are sequentially arranged in parallel; the polarization direction of the polarization rectangular pinhole array I is orthogonal to that of the polarization rectangular pinhole array II; the polarized rectangular pinhole array I is provided with rectangular light-transmitting pinholes I, as shown in figure 3; the polarization rectangular pinhole array II is provided with rectangular light-transmitting pinholes II as shown in the attached figure 4; the display screen is used for displaying the rectangular image element array; a plurality of rectangular light-transmitting pinholes I corresponding to a single rectangular image element are horizontally and symmetrically arranged by taking the center of the rectangular image element as a center; the interval width of the adjacent rectangular light-transmitting pinholes I corresponding to the single rectangular image element is the same(ii) a The rectangular light-transmitting pinhole II corresponding to the single rectangular image element is positioned between the adjacent rectangular light-transmitting pinholes I corresponding to the rectangular image element, and only one rectangular light-transmitting pinhole II is arranged between the adjacent rectangular light-transmitting pinholes I corresponding to the single rectangular image element; the centers of the rectangular light-transmitting pinholes II positioned between the adjacent rectangular light-transmitting pinholes I are correspondingly aligned with the centers of the intervals of the adjacent rectangular light-transmitting pinholes I; the interval width of adjacent rectangular light-transmitting pinholes I corresponding to a single rectangular image element is larger than the horizontal aperture width of a rectangular light-transmitting pinhole II positioned between the adjacent rectangular light-transmitting pinholes I; the centers of the rectangular light-transmitting pinhole I and the rectangular light-transmitting pinhole II are aligned with the horizontal central axis of the corresponding rectangular image element; horizontal pitch of rectangular picture elementspPitch to verticalqSatisfies the following formula

（1）

Wherein the content of the first and second substances,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,bis the ratio of the vertical width to the horizontal width of the display screen; a part of light rays emitted by each rectangular image element pass through the polarized rectangular pinhole array I and are modulated into polarized light I with the same polarization direction by the polarized rectangular pinhole array I, and the polarized light I is projected to an imaging space through a rectangular light-transmitting pinhole II corresponding to the rectangular image element to reconstruct a 3D image; a part of light rays emitted by each rectangular image element pass through a rectangular light-transmitting pinhole I corresponding to the rectangular image element and are projected to an imaging space through a polarized rectangular pinhole array II, and a 3D image is reconstructed; the reconstructed 3D images are combined in the viewing area into a high resolution 3D image of uniform resolution.

Preferably, the horizontal resolution of the high resolution 3D display device with uniform resolutionr ₁Vertical resolutionr ₂Is composed of

（2）

Wherein the content of the first and second substances,nis a single rectangular imageThe number of rectangular light-transmitting pinholes I corresponding to the element,mis the number of rectangular picture elements in the horizontal direction of the rectangular picture element array.

Preferably, the horizontal aperture width of the rectangular light-transmitting pinhole Iw ₁Horizontal aperture width of rectangular light-transmitting pinhole IIw ₂ 、Interval width of adjacent rectangular light-transmitting pinhole I corresponding to single rectangular image elementaThickness of polarized rectangular pinhole array Is、Thickness of polarized rectangular pinhole array IItSatisfies the following formula

（3）

（4）

（5）

（6）

Wherein the content of the first and second substances,pis the horizontal pitch of the rectangular picture elements,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,gis the distance between the display screen and the polarized rectangular pinhole array I,dthe distance between the polarization rectangular pinhole array I and the polarization rectangular pinhole array II is shown.

Preferably, the vertical aperture width of the rectangular light-transmitting pinhole Iv ₁And the vertical aperture width of the rectangular light-transmitting pinhole IIv ₂Satisfies the following formula

（7）

（8）

Wherein the content of the first and second substances,pis the horizontal pitch of the rectangular picture elements,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,bis the ratio of the vertical width to the horizontal width of the display screen,gis the distance between the display screen and the polarized rectangular pinhole array I,sis the thickness of the polarized rectangular pinhole array I,dis the distance between a polarization rectangular pinhole array I and a polarization rectangular pinhole array II,tis the thickness of the polarized rectangular pinhole array II.

Preferably, the horizontal aperture width of the rectangular light-transmitting pinhole Iw ₁The width of the horizontal aperture of the rectangular light-transmitting pinhole IIw ₂Satisfies the following formula

（9）

Wherein the content of the first and second substances,pis the horizontal pitch of the rectangular picture elements,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,ais the separation width of adjacent rectangular light-transmissive pinholes I corresponding to a single rectangular image element.

Drawings

FIG. 1 is a schematic view of the structure and horizontal direction of the present invention

FIG. 2 is a schematic view of the structure and vertical direction of the present invention

FIG. 3 is a schematic diagram of a polarized rectangular pinhole array I of the present invention

FIG. 4 is a schematic diagram of a polarized rectangular pinhole array II of the present invention

The reference numbers in the figures are:

1. the display screen comprises a display screen, 2, a polarization rectangular pinhole array I, 3, a polarization rectangular pinhole array II, 4, a rectangular light-transmitting pinhole I and 5, a rectangular light-transmitting pinhole II.

It should be understood that the above-described figures are merely schematic and are not drawn to scale.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description of an exemplary embodiment of the invention. It should be noted that the following examples are only for illustrative purposes and should not be construed as limiting the scope of the present invention, and that the skilled person in the art may make modifications and adaptations of the present invention without departing from the scope of the present invention.

The invention provides a high-resolution 3D display device with uniform resolution, which is characterized by comprising a display screen, a polarized rectangular pinhole array I and a polarized rectangular pinhole array II, wherein the display screen is as shown in attached figures 1 and 2; the display screen, the polarization rectangular pinhole array I and the polarization rectangular pinhole array II are sequentially arranged in parallel; the polarization direction of the polarization rectangular pinhole array I is orthogonal to that of the polarization rectangular pinhole array II; the polarized rectangular pinhole array I is provided with rectangular light-transmitting pinholes I, as shown in figure 3; the polarization rectangular pinhole array II is provided with rectangular light-transmitting pinholes II as shown in the attached figure 4; the display screen is used for displaying the rectangular image element array; a plurality of rectangular light-transmitting pinholes I corresponding to a single rectangular image element are horizontally and symmetrically arranged by taking the center of the rectangular image element as a center; the interval widths of the adjacent rectangular light-transmitting pinholes I corresponding to the single rectangular image element are the same; the rectangular light-transmitting pinhole II corresponding to the single rectangular image element is positioned between the adjacent rectangular light-transmitting pinholes I corresponding to the rectangular image element, and only one rectangular light-transmitting pinhole II is arranged between the adjacent rectangular light-transmitting pinholes I corresponding to the single rectangular image element; the centers of the rectangular light-transmitting pinholes II positioned between the adjacent rectangular light-transmitting pinholes I are correspondingly aligned with the centers of the intervals of the adjacent rectangular light-transmitting pinholes I; the interval width of adjacent rectangular light-transmitting pinholes I corresponding to a single rectangular image element is larger than the horizontal aperture width of a rectangular light-transmitting pinhole II positioned between the adjacent rectangular light-transmitting pinholes I; the centers of the rectangular light-transmitting pinhole I and the rectangular light-transmitting pinhole II are aligned with the horizontal central axis of the corresponding rectangular image element; horizontal pitch of rectangular picture elementspPitch to verticalqSatisfies the following formula

（1）

Wherein the content of the first and second substances,nis the moment to which a single rectangular image element correspondsThe number of the light-transmitting pinholes I is equal to or less than the total number of the light-transmitting pinholes,bis the ratio of the vertical width to the horizontal width of the display screen; a part of light rays emitted by each rectangular image element pass through the polarized rectangular pinhole array I and are modulated into polarized light I with the same polarization direction by the polarized rectangular pinhole array I, and the polarized light I is projected to an imaging space through a rectangular light-transmitting pinhole II corresponding to the rectangular image element to reconstruct a 3D image; a part of light rays emitted by each rectangular image element pass through a rectangular light-transmitting pinhole I corresponding to the rectangular image element and are projected to an imaging space through a polarized rectangular pinhole array II, and a 3D image is reconstructed; the reconstructed 3D images are combined in the viewing area into a high resolution 3D image of uniform resolution.

Preferably, the horizontal resolution of the high resolution 3D display device with uniform resolutionr ₁Vertical resolutionr ₂Is composed of

（2）

Wherein the content of the first and second substances,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,mis the number of rectangular picture elements in the horizontal direction of the rectangular picture element array.

Preferably, the horizontal aperture width of the rectangular light-transmitting pinhole Iw ₁Horizontal aperture width of rectangular light-transmitting pinhole IIw ₂ 、Interval width of adjacent rectangular light-transmitting pinhole I corresponding to single rectangular image elementaThickness of polarized rectangular pinhole array Is、Thickness of polarized rectangular pinhole array IItSatisfies the following formula

（3）

（4）

（5）

（6）

Wherein the content of the first and second substances,pis the horizontal pitch of the rectangular picture elements,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,gis the distance between the display screen and the polarized rectangular pinhole array I,dthe distance between the polarization rectangular pinhole array I and the polarization rectangular pinhole array II is shown.

Preferably, the vertical aperture width of the rectangular light-transmitting pinhole Iv ₁And the vertical aperture width of the rectangular light-transmitting pinhole IIv ₂Satisfies the following formula

（7）

（8）

Wherein the content of the first and second substances,pis the horizontal pitch of the rectangular picture elements,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,bis the ratio of the vertical width to the horizontal width of the display screen,gis the distance between the display screen and the polarized rectangular pinhole array I,sis the thickness of the polarized rectangular pinhole array I,dis the distance between a polarization rectangular pinhole array I and a polarization rectangular pinhole array II,tis the thickness of the polarized rectangular pinhole array II.

Preferably, the horizontal aperture width of the rectangular light-transmitting pinhole Iw ₁The width of the horizontal aperture of the rectangular light-transmitting pinhole IIw ₂Satisfies the following formula

（9）

Wherein the content of the first and second substances,pwater being rectangular picture elementsThe pitch of the flat wires is flat,nis the number of rectangular light-transmitting pinholes I corresponding to a single rectangular image element,ais the separation width of adjacent rectangular light-transmissive pinholes I corresponding to a single rectangular image element.

The number of the rectangular image elements in the horizontal direction of the rectangular image element array is 100, the ratio of the vertical width to the horizontal width of the display screen is 0.75, the horizontal pitch of the rectangular image elements is 8mm, the distance between the display screen and the polarization rectangular pinhole array I is 2mm, the distance between the polarization rectangular pinhole array I and the polarization rectangular pinhole array II is 0.2mm, the horizontal aperture width of the rectangular light-transmitting pinhole I is 1mm, the number of the rectangular light-transmitting pinholes I corresponding to a single rectangular image element is 2, and then the vertical pitch of the rectangular image elements is 2mm calculated by the formula (1); calculating the horizontal aperture width of the rectangular light-transmitting pinhole II by the formulas (3), (4), (5), (6) and (9)、The interval width of the adjacent rectangular light-transmitting pinhole I corresponding to a single rectangular image element and the thickness of the polarized rectangular pinhole array I、The thicknesses of the polarization rectangular pinhole array II are 1.6mm, 2mm, 1mm and 1.6mm respectively; the vertical aperture width of the rectangular light-transmitting pinhole I and the vertical aperture width of the rectangular light-transmitting pinhole II are respectively 0.4mm and 0.4mm calculated by the formulas (7) and (8); the horizontal and vertical resolutions of the high-resolution 3D display device with uniform resolution calculated by equation (2) are both 300.