A multi-viewpoint three-dimensional display system and method

A three-dimensional display and multi-viewpoint technology, applied in instruments, stereo photography, optics, etc., can solve problems such as limited viewpoints and limited spatial resolution, achieve smooth moving parallax, and realize the effect of super multi-view display

Active Publication Date: 2019-02-05
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

By providing corresponding views to the observer's binocular eyes, traditional stereoscopic technology can realize three-dimensional effect presentation based on binocular parallax technology, but traditional stereoscopic technology is limited by the spatial resolution of display devices. Therefore, the traditional stereoscopic technology can provide Viewpoints are very limited

Method used

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  • A multi-viewpoint three-dimensional display system and method
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  • A multi-viewpoint three-dimensional display system and method

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Embodiment 1

[0061] The optical path diagram of the first scheme of a multi-viewpoint three-dimensional display system based on the I-type time division multiplexing projection unit of the present invention is as follows figure 1 As shown, the I-type time-division multiplexing projection units are arranged in a plane, including a control unit and a number of I-type time-division multiplexing projection units 10, all the I-type time-division multiplexing projection units 10 are arranged adjacent to each other in a plane; The multiplexing projection unit 10 includes a display screen 11, a projection lens 12, and a clear aperture array 13; the display screen 11 is used to display optical image information; the projection lens 12 is used to project the image of the display screen 11 onto the projection surface; the clear aperture The array 13 is composed of a plurality of clear apertures and is placed at the aperture of the projection lens 12; the control unit is electrically connected to the dis...

Embodiment 2

[0082] The optical path diagram of the first scheme of a multi-viewpoint three-dimensional display system constructed based on a type II time division multiplexing projection unit of the present invention is as follows Figure 7 As shown, the type II time-division multiplexing projection unit is arranged in a plane. The difference from the first solution of embodiment 1 is that the time-division multiplexing projection unit 10 is a type-II time-division multiplexing projection unit. The distance between the display screen 11 and the projection lens 12 is equal to the focal length of the projection lens 12; the type II time-division multiplexing projection unit 10 also includes an auxiliary lens 20, a field lens 30, and a diffusion sheet 40 attached to the field lens 30. It is used to scatter incident light; the auxiliary lens 20 images the display screen 11 on the projection surface; the center of the field lens 30 is set on the projection surface and is used to image the project...

Embodiment 3

[0097] The optical path diagram of the first scheme of a multi-viewpoint three-dimensional display system constructed based on a type III time division multiplexing projection unit of the present invention is as follows Picture 9 As shown, the type III time division multiplexing projection unit is arranged in a plane, and the difference from the first solution of the embodiment 1 is that the time division multiplexing projection unit 10 is a type III time division multiplexing projection unit, which The distance between the display screen 11 and the projection lens 12 is greater than the focal length of the projection lens 12. The display screen 11 is projected by the projection lens 12 into a real image on the projection surface; the III time division multiplexing projection unit 10 also includes a field lens 30 and attached to the field lens 30 The diffusion sheet 40 is placed. The diffusion sheet 40 is used to diffuse the incident light. The center of the field lens 30 is set...

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Abstract

The present invention relates to the technical field of three-dimensional image display, and in particular to a multi-viewpoint three-dimensional display system and method. The system includes a control unit and several time-division multiplexing projection units of the same type, and all time-division multiplexing projection units are arranged in a plane or a curved surface adjacent to each other. The time-division multiplexing projection unit includes a display screen, a projection lens, and a clear aperture array; the clear aperture array is composed of a plurality of clear apertures and placed at the projection lens aperture or its image plane; each clear aperture array is spatially dislocated arrangement; the control unit is electrically connected to the display screen and the clear aperture array, and at a time point, the control unit gates a clear aperture of the clear aperture array, and controls the display screen to refresh and display corresponding information. The timing gate of the clear apertures of each clear aperture array is controlled by the control unit, based on visual retention, so as to realize the presentation of multiple viewpoints. A multi-viewpoint three-dimensional display system and method of the present invention can realize the presentation of a large number of dense viewpoints through space-time joint multiplexing.

Description

Technical field [0001] The present invention relates to the technical field of three-dimensional image display, and more specifically, to a multi-viewpoint three-dimensional display system and method. Background technique [0002] Since two-dimensional display is difficult to express clearly and accurately the depth information of the third dimension, people have been devoting themselves to research on display technology that can display three-dimensional scenes—three-dimensional image display technology. By providing corresponding views to the observer’s binoculars, traditional stereo vision technology can achieve three-dimensional rendering based on binocular parallax technology. However, traditional stereo vision technology is limited by the spatial resolution of the display device. Therefore, traditional stereo vision technology can provide The viewpoint is very limited. In order to obtain a better three-dimensional visual experience, traditional stereoscopic three-dimension...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B35/20G02B27/22
CPCG03B35/20G02B30/24
Inventor 滕东东刘立林
Owner SUN YAT SEN UNIV
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