CN210051972U - High-resolution integrated imaging double-vision 3D display device based on micro-lenses - Google Patents

Abstract

The utility model discloses a high resolution integrated imaging double-vision 3D display device based on micro-lenses, which comprises a display screen, a polarization array, a pinhole array, a micro-lens array, polarization glasses 1 and polarization glasses 2; the polarization array is attached to the display screen, and the pinhole array is attached to the micro-lens array; the display screen, the polarization array, the pinhole array and the micro-lens array are arranged in parallel and are correspondingly aligned; the image elements 1 reconstruct a plurality of 3D images 1 through a plurality of corresponding micro lenses, and are combined into one high-resolution 3D image 1 in a viewing area, and the high-resolution 3D image 1 can be seen only through the polarized glasses 1; the image elements 2 reconstruct a plurality of 3D images 2 through a plurality of corresponding microlenses, and are combined into one high-resolution 3D image 2 in the viewing area, and can only be seen through the polarized glasses 2.

Description

High-resolution integrated imaging double-vision 3D display device based on micro-lenses

Technical Field

The utility model relates to a 3D shows, more specifically says, the utility model relates to a high resolution integration formation of image double vision 3D display device based on microlens.

Background

The integrated imaging double-vision 3D display is the fusion of a double-vision display technology and an integrated imaging 3D display technology. It may enable the viewer to see different 3D pictures in different viewing directions. However, the existing integrated imaging dual-view 3D display has bottleneck problems of insufficient 3D resolution and uneven resolution distribution, which seriously affects the experience of viewers. Although a polarization array can be introduced to achieve uniform resolution, the 3D resolution still cannot be effectively improved.

Disclosure of Invention

The utility model provides a high resolution integration formation of image double vision 3D display device based on microlens, as shown in figure 1 and figure 2, its characterized in that, including the display screen, polarization array, pinhole array, microlens array, polarization glasses 1 and polarization glasses 2; the polarization array is attached to the display screen, and the pinhole array is attached to the micro-lens array; the display screen, the polarization array, the pinhole array and the micro-lens array are arranged in parallel and are correspondingly aligned; the display screen is used for displaying a micro-image array, and the micro-image array is formed by alternately arranging image elements 1 and 2 in the horizontal direction and the vertical direction, as shown in the attached figures 1 and 2; the polarization array is formed by alternately arranging the polarization units 1 and the polarization units 2 in the horizontal and vertical directions, wherein the polarization directions of the polarization units 1 and the polarization units 2 are orthogonal, as shown in the attached figures 1 and 2; the polarization direction of the polarization glasses 1 is the same as that of the polarization unit 1, and the polarization direction of the polarization glasses 2 is the same as that of the polarization unit 2; the image element 1 is correspondingly aligned with the polarization unit 1, and the image element 2 is correspondingly aligned with the polarization unit 2; the image elements 1 reconstruct a plurality of 3D images 1 through a plurality of corresponding micro lenses, and are combined into one high-resolution 3D image 1 in a viewing area, and the high-resolution 3D image 1 can be seen only through the polarized glasses 1; the image elements 2 reconstruct a plurality of 3D images 2 through a plurality of corresponding microlenses, and are combined into one high-resolution 3D image 2 in the viewing area, and can only be seen through the polarized glasses 2.

Preferably, the pitch of the pinholes, the pitch of the polarizing elements 1, the pitch of the polarizing elements 2, the pitch of the image elements 1 and the pitch of the image elements 2 are the same.

Preferably, the pitch of image elements 1 and 2 is a multiple of the pitch of the microlenses, the horizontal aperture width of the pinholes is a multiple of the pitch of the microlenses, and the vertical aperture width of the pinholes is a multiple of the pitch of the microlenses.

Preferably, the centers of the image elements 1 are all correspondingly aligned with the centers of the corresponding pinholes, and the centers of the image elements 2 are all correspondingly aligned with the centers of the corresponding pinholes.

Preferably, the display screen is located at the focal plane of the microlens array.

Preferably, the resolution of the 3D image 1 R ₁And resolution of the 3D image 2 R ₂Are respectively as

（1）

（2）

Wherein, pis the pitch of the micro-lenses, mis the number of picture elements in the horizontal direction in the micro-image array, nis the number of picture elements in the vertical direction in the micro-image array, wis the horizontal aperture width of the pinhole, vis the vertical aperture width of the pinhole.

Drawings

FIG. 1 is a schematic diagram of the structure and parameters in the horizontal direction of the present invention

FIG. 2 is a schematic diagram of the structure and parameters in the vertical direction of the present invention

The reference numbers in the figures are:

1. the display screen, 2. polarization array, 3. pinhole array, 4. microlens array, 5. polarization glasses 1, 6. polarization glasses 2, 7. image element 1, 8. image element 2.

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

Detailed Description

The following describes in detail an exemplary embodiment of the present invention for a microlens-based high resolution integrated imaging dual view 3D display device, and the present invention is further described in detail. 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 high resolution integration formation of image double vision 3D display device based on microlens, as shown in figure 1 and figure 2, its characterized in that, including the display screen, polarization array, pinhole array, microlens array, polarization glasses 1 and polarization glasses 2; the polarization array is attached to the display screen, and the pinhole array is attached to the micro-lens array; the display screen, the polarization array, the pinhole array and the micro-lens array are arranged in parallel and are correspondingly aligned; the display screen is used for displaying a micro-image array, and the micro-image array is formed by alternately arranging image elements 1 and 2 in the horizontal direction and the vertical direction, as shown in the attached figures 1 and 2; the polarization array is formed by alternately arranging the polarization units 1 and the polarization units 2 in the horizontal and vertical directions, wherein the polarization directions of the polarization units 1 and the polarization units 2 are orthogonal, as shown in the attached figures 1 and 2; the polarization direction of the polarization glasses 1 is the same as that of the polarization unit 1, and the polarization direction of the polarization glasses 2 is the same as that of the polarization unit 2; the image element 1 is correspondingly aligned with the polarization unit 1, and the image element 2 is correspondingly aligned with the polarization unit 2; the image elements 1 reconstruct a plurality of 3D images 1 through a plurality of corresponding micro lenses, and are combined into one high-resolution 3D image 1 in a viewing area, and the high-resolution 3D image 1 can be seen only through the polarized glasses 1; the image elements 2 reconstruct a plurality of 3D images 2 through a plurality of corresponding microlenses, and are combined into one high-resolution 3D image 2 in the viewing area, and can only be seen through the polarized glasses 2.

Preferably, the pitch of the pinholes, the pitch of the polarizing elements 1, the pitch of the polarizing elements 2, the pitch of the image elements 1 and the pitch of the image elements 2 are the same.

Preferably, the pitch of image elements 1 and 2 is a multiple of the pitch of the microlenses, the horizontal aperture width of the pinholes is a multiple of the pitch of the microlenses, and the vertical aperture width of the pinholes is a multiple of the pitch of the microlenses.

Preferably, the centers of the image elements 1 are all correspondingly aligned with the centers of the corresponding pinholes, and the centers of the image elements 2 are all correspondingly aligned with the centers of the corresponding pinholes.

Preferably, the display screen is located at the focal plane of the microlens array.

Preferably, the resolution of the 3D image 1 R ₁And resolution of the 3D image 2 R ₂Are respectively as

（1）

（2）

Wherein, pis the pitch of the micro-lenses, mis the number of picture elements in the horizontal direction in the micro-image array, nis the number of picture elements in the vertical direction in the micro-image array, wis the horizontal aperture width of the pinhole, vis the vertical aperture width of the pinhole.

The number of image elements in the horizontal direction in the micro image array is 10, the number of image elements in the vertical direction in the micro image array is 10, the pitch of the polarization unit 1 is 20mm, the horizontal aperture width of the pinhole is 2mm, the vertical aperture width of the pinhole is 4mm, and the pitch of the microlenses is 0.5mm, so that the resolution of the 3D image 1 is 20 × 40, the resolution of the 3D image 2 is 20 × 40, and the 3D images are uniformly distributed in the horizontal direction and the vertical direction, which are calculated by the formulas (1) and (2); in the conventional integrated imaging dual-view 3D display based on the above parameters, the resolution of each of the 3D image 1 and the 3D image 2 is 5 × 5.

Claims (6)

1. The high-resolution integrated imaging double-view 3D display device based on the micro-lenses is characterized by comprising a display screen, a polarization array, a pinhole array, a micro-lens array, polarization glasses 1 and polarization glasses 2; the polarization array is attached to the display screen, and the pinhole array is attached to the micro-lens array; the display screen, the polarization array, the pinhole array and the micro-lens array are arranged in parallel and are correspondingly aligned; the display screen is used for displaying a micro-image array, and the micro-image array is formed by alternately arranging image elements 1 and image elements 2 in the horizontal direction and the vertical direction; the polarization array is formed by alternately arranging a polarization unit 1 and a polarization unit 2 in the horizontal and vertical directions, and the polarization directions of the polarization unit 1 and the polarization unit 2 are orthogonal; the polarization direction of the polarization glasses 1 is the same as that of the polarization unit 1, and the polarization direction of the polarization glasses 2 is the same as that of the polarization unit 2; the image element 1 is correspondingly aligned with the polarization unit 1, and the image element 2 is correspondingly aligned with the polarization unit 2; the image elements 1 reconstruct a plurality of 3D images 1 through a plurality of corresponding micro lenses, and are combined into one high-resolution 3D image 1 in a viewing area, and the high-resolution 3D image 1 can be seen only through the polarized glasses 1; the image elements 2 reconstruct a plurality of 3D images 2 through a plurality of corresponding microlenses, and are combined into one high-resolution 3D image 2 in the viewing area, and can only be seen through the polarized glasses 2.

2. A microlens-based high resolution integrated imaging dual view 3D display device according to claim 1, wherein the pitch of the pinholes, the pitch of the polarizing units 1, the pitch of the polarizing units 2, the pitch of the image elements 1, and the pitch of the image elements 2 are all the same.

3. The microlens-based high resolution integrated imaging dual view 3D display device according to claim 1, wherein the pitch of image element 1 and image element 2 is a multiple of the pitch of the microlenses, the horizontal aperture width of the pinhole is a multiple of the pitch of the microlenses, and the vertical aperture width of the pinhole is a multiple of the pitch of the microlenses.

4. A microlens-based high resolution integrated imaging dual view 3D display device as claimed in claim 1, wherein the centers of image elements 1 are each aligned correspondingly with the center of a corresponding pinhole, and the centers of image elements 2 are each aligned correspondingly with the center of a corresponding pinhole.

5. A microlens-based high resolution integrated imaging dual view 3D display device as claimed in claim 1, wherein the display screen is located at the focal plane of the microlens array.

6. A microlens-based high resolution integrated imaging dual view 3D display device as claimed in claim 1, wherein the resolution of the 3D image 1 R ₁And resolution of the 3D image 2 R ₂Are respectively as

Wherein, pis the pitch of the micro-lenses, mis the number of picture elements in the horizontal direction in the micro-image array, nis the number of picture elements in the vertical direction in the micro-image array, wis the horizontal aperture width of the pinhole, vis the vertical aperture width of the pinhole.