Panoramic three-dimensional display device based on single projection machine and transmission-type scattering screen

A projection device and display device technology, which is applied in projection devices, optics, instruments, etc., can solve problems such as complex equipment systems, occlusion between systems and objects, and backgrounds, and achieve the effects of strong sense of reality, simple structure, and high reliability

Inactive Publication Date: 2014-03-05
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of complex existing equipment systems, occlusion and background between the system and objects, and provide a three-dimensional display device based on a single projector and a transmissive scattering screen

Method used

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  • Panoramic three-dimensional display device based on single projection machine and transmission-type scattering screen
  • Panoramic three-dimensional display device based on single projection machine and transmission-type scattering screen
  • Panoramic three-dimensional display device based on single projection machine and transmission-type scattering screen

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Experimental program
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Effect test

Embodiment 1

[0038] like figure 1 As shown, the three-dimensional display device based on a single projector and a transmissive scattering screen includes: a projection device 1, a fixed mirror 2, a first rotating mirror 3, a second rotating mirror 4, and a rotating support frame 5. Transmission and scattering screen 6, transmission and scattering screen support frame 7;

[0039] Connection relationship: a plurality of transmissive scattering screens 6 are formed into a bowl-shaped structure, and the mouth of the bowl is fixed by the transmissive scattering screen support frame 7; only one transmissive scattering screen 6 is left to transmit light, and other transmissive scattering screens are blocked; the bottom of the bowl and the rotating support frame 5 is fixedly connected; the other end of the rotating support frame 5 is fixedly connected with the first rotating reflector 3; the first rotating reflector 3 is fixedly connected with the second rotating reflector 4; the projection devic...

Embodiment 2

[0045] like Figure 10 As shown, the three-dimensional peripheral display device based on a single projector and a transmissive scattering screen includes: a projection device 1, a rotating support frame 5, a transmissive scattering screen 6, and a transmissive scattering screen support frame 7;

[0046] Connection relationship: a plurality of transmissive scattering screens 6 are formed into a bowl-shaped structure, and the mouth of the bowl is fixed by the transmissive scattering screen support frame 7; only one transmissive scattering screen 6 is left to transmit light, and other transmissive scattering screens are blocked; the bottom of the bowl and the rotating support frame 5 fixedly connected; the projection device 1 is installed on the vertical surface of the transmission scattering screen, and the image projected by the projection device 1 is directly projected onto the transmission diffusion screen 6;

[0047] Working process: when the device is working, the rotating...

Embodiment 3

[0049] like Figure 11 As shown, the three-dimensional display device based on a single projector and a transmissive scattering screen includes: a projection device 1, a fixed mirror 2, a first rotating mirror 3, a second rotating mirror 4, and a rotating support frame 5 , the transmission scattering screen 6;

[0050] Connection relationship: a transmission and scattering screen 6 is placed vertically and fixedly connected with the rotating support frame 5; the other end of the rotating support frame 5 is fixedly connected with the first rotating reflector 3; the first rotating reflector 3 is connected with the second The rotating reflector 4 is fixedly connected; the projection device 1 is installed on the vertical plane of the transmission scattering screen, and the image projected by the projection device 1 passes through the fixed reflector 2, the first rotating reflector 3 and the second rotating reflector 4. The three reflections are projected onto the transmissive scr...

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Abstract

The invention relates to a panoramic three-dimensional display device based on a single projection machine and a transmission-type scattering screen and belongs to the field of three-dimensional display. The panoramic three-dimensional display device comprises a transmission-type scattering screen and a projection device, wherein the projection device is projected to the transmission-type scattering screen; the projection device needs to be arranged on a vertical plane of the transmission-type scattering screen; the transmission-type scattering screen comprises a convex lens set and a cylindrical surface optical grating set; the convex lens set and the cylindrical surface optical grating set can be arrayed and combined randomly and a strip-shaped exit pupil is formed by an exit pupil of the high-speed projection device. According to the device, the rotation of the transmission-type scattering screen and the high-speed refreshing of a high-speed projection image are utilized so that images of left and right eyes of a person are from a zonal observation region formed by different image sources and the left and right eyes can see the different images, and furthermore, a three-dimensional image is synthesized by a human brain.

Description

technical field [0001] The invention relates to a peripheral viewing three-dimensional display device based on a single projector and a transmissive scattering screen, belonging to the field of three-dimensional display. Background technique [0002] Three-dimensional display devices are popular products in the display field in recent years, and are widely used in entertainment, scientific research, medical treatment, military affairs, education and many other fields. Because the naked-eye three-dimensional display technology based on the parallax principle has the advantages of convenient and natural observation, it is now The main technology of commercial 3D display. Most of the glasses-free three-dimensional display devices based on the parallax principle that are widely used now are three-dimensional displays on flat screens. Due to the small number of disparity maps and the shape of the flat screen itself, the observation range is limited. However, most of the current...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/22G03B21/56
Inventor 朱秋东宋维涛王涌天刘越
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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