3D holographic projection display device

Abstract

The utility model relates to the field of 3D holographic projection, in particular to a 3D holographic projection display device which comprises a base, a spatial light modulator, a supporting arm, an image reflector, a 360-degree holographic projector and a fixed rear cover, the spatial light modulator is installed in the middle of the upper side of the base, and the complex illumination effect on the surface of an object can be restored by adjusting the spatial light modulator. A real texture effect can be presented, rich details and vivid texture can be provided, supporting arms of the same specification are installed on the left side wall and the right side wall of the spatial light modulator, the image reflectors are installed on the upper sides of the supporting arms, the 360-degree holographic projectors are installed on the upper sides of the image reflectors, and real three-dimensional presentation can be achieved through the 360-degree holographic projectors; the audience can watch from any angle and experience strong immersion, and the upper side of the holographic projector is fixedly provided with the rear cover.

Description

Technical Field

[0001] The utility model relates to the field of 3D holographic projection, and in particular to a 3D holographic projection display device. Background Art

[0002] 3D holographic projection display device is a high-tech imaging technology that uses the principles of interference and diffraction to record and reproduce the real three-dimensional image of the object, so that the audience can see the three-dimensional virtual character without wearing glasses. This technology can reproduce the real three-dimensional image of the object by using the interference principle to record the light wave information of the object during the shooting process, and using the diffraction principle to reproduce the light wave information of the object during the imaging process. 3D holographic projection technology meets people's high requirements for audio-visual experience, and its display effect has been recognized and applied in more and more fields. This technology is mainly used in stage performances, product displays, exhibitions, digital exhibition halls, museums, science and technology museums and other fields. It can create a real and illusory on-site atmosphere, and the three-dimensional visual effect is amazing. It has a very good sense of depth and makes it difficult to distinguish between true and false. In addition, by adding corresponding motion capture equipment and scene sensors, it is possible to realize the interactive communication between people and virtual images. The interactive effect is very outstanding, providing a modern and fashionable interactive means for display query. The Chinese patent discloses a magnetic levitation 3D holographic projection display device (authorization announcement number CN 108037652U), this patented technology overcomes the unstable factors of magnetic suspension and the phenomenon of irregular rotation. The transmittance of the isosceles pyramid 3D imaging is made of acrylic board material plus professional holographic film, which can be perfectly presented even in the daytime, and can be used for any current display screen. Videos can be played upside down or upright, and the overall is more fixed and unified. The production of APP solves the source of user video materials and can also be made and uploaded by users across the country to share. Watching handheld holographic movies and playing handheld holographic games is no longer a dream. The magnetic suspension technology, isosceles pyramid 3D imaging technology, and APP auxiliary imaging source technology are re-integrated together to form a new system, which overcomes the problems of insufficient magnetic suspension buoyancy, blurred pyramid imaging, APP video output cannot accurately card to the top of the pyramid, flash back, etc. However, the design shows different effects in some areas with different light intensities, and there is a phenomenon of light and shadow dispersion, which cannot present a clear three-dimensional effect to the audience, affecting the immersive experience. Therefore, those skilled in the art provide a 3D holographic projection display device to solve the problems raised in the above background technology. Utility Model Content

[0003] To solve the above technical problems, the present utility model provides a 3D holographic projection display device, which includes a base, a spatial light modulator, a support arm, an image reflector, a 360-degree holographic projector, and a fixed rear cover. The spatial light modulator is installed at the middle position on the upper side of the base. Support arms of the same specification are installed on the side walls on the left and right sides of the spatial light modulator. The image reflector is installed on the upper side of the support arm. The 360-degree holographic projector is installed on the upper side of the image reflector. The fixed rear cover is installed on the upper side of the 360-degree holographic projector.

[0004] Preferably: A digital micromirror is installed at the middle position of the spatial light modulator, and a plurality of function buttons are installed on the front side of the spatial light modulator;

[0005] Preferably: Support plates of the same specification are installed at the left and right ends on the upper side of the base. A top plate is installed on the upper side of the support plate. The fixed rear cover is installed at the middle position on the lower side of the top plate. A fixed groove is provided inside the fixed rear cover. A fixed block is installed in the fixed groove. The 360-degree holographic projector is installed on the lower side of the fixed block;

[0006] Preferably: The lower side surface of the 360-degree holographic projector is installed on the upper side of a clamping table. An arc-shaped clamping plate is installed on the outer side of the clamping table. An arc-shaped convex plate is installed on the lower side of the clamping table. The arc-shaped convex plate is connected and installed with the image reflector;

[0007] Preferably: A fixing plate is installed on the lower side of the image reflector. A limiting arc plate is installed on the inner side of the fixing plate. A fixed table is installed on the lower side of the fixing plate. The limiting arc plate is installed in a limiting arc groove. A fixed baffle is installed on the outer side of the fixed table. The lower side of the fixed table is connected and installed with the support arm.

[0008] The technical effects and advantages of the present utility model:

[0009] 1. A digital micromirror is installed at the middle position of the spatial light modulator, and a plurality of function buttons are installed on the front side of the spatial light modulator. By adjusting the spatial light regulator, the complex light effect on the surface of the object can be restored, a real texture effect can be presented, rich details and a realistic texture can be provided;

[0010] 2. A fixed block is installed in the fixed groove, and the 360-degree holographic projector is installed on the lower side of the fixed block. Through the 360-degree holographic projector, a real three-dimensional presentation can be achieved, and the audience can watch from any angle and experience a strong sense of immersion;

[0011] 3. The device is fixed by the base, the support plate and the top plate, and has the characteristics of small size and convenient assembly. It can be selected according to customer needs and installed in combination with the building space structure, which is beneficial to permanent preservation and use in various building spaces. Description of the Drawings

[0012] Figure 1 It is a schematic structural diagram of a 3D holographic projection display device provided by an embodiment of the present application;

[0013] Figure 2 Exploded structure schematic diagram of a 3D holographic projection display device provided by an embodiment of the present application Figure 1 ;

[0014] Figure 3 Exploded structure schematic diagram of a 3D holographic projection display device provided by an embodiment of the present application Figure 2 ;

[0015] Figure 4 Cross-sectional structure schematic diagram of a 3D holographic projection display device provided by an embodiment of the present application Figure 1 ;

[0016] Figure 5 Cross-sectional structure schematic diagram of a 3D holographic projection display device provided by an embodiment of the present application Figure 2 .

[0017] In the figure: 1, base; 2, spatial light modulator; 3, support arm; 4, image reflector; 5, 360-degree holographic projector; 6, fixed rear cover; 101, support plate; 102, top plate; 201, digital micromirror; 202, function button; 301, fixed table; 302, fixed baffle; 303, limit arc groove; 401, fixing plate; 402, limit arc plate; 403, arc convex plate; 404, clamping table; 405, arc clamping plate; 501, fixing block; 601, fixing groove. Specific embodiments

[0018] The following further describes the present utility model in detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present utility model are given for purposes of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and design various embodiments with various modifications suitable for specific purposes.

[0019] Embodiment

[0020] Please refer to Figures 1 to 5 , in this embodiment, a 3D holographic projection display device is provided, including a base 1, a spatial light modulator 2, a support arm 3, an image reflector 4, a 360-degree holographic projector 5, and a fixed rear cover 6. The spatial light modulator 2 is installed at the middle position on the upper side of the base 1. Support arms 3 of the same specification are installed on the left and right side walls of the spatial light modulator 2. An image reflector 4 is installed on the upper side of the support arm 3. A 360-degree holographic projector 5 is installed on the upper side of the image reflector 4. A fixed rear cover 6 is installed on the upper side of the 360-degree holographic projector 5;

[0021] Specifically, a digital micromirror 201 is installed at the middle position of the spatial light modulator 2, and a plurality of function buttons 202 are installed on the front side of the spatial light modulator 2. Support plates 101 of the same specification are installed at the left and right ends of the upper side of the base 1. A top plate 102 is installed on the upper side of the support plates 101. A fixed rear cover 6 is installed at the middle position of the lower side of the top plate 102. A fixed groove 601 is provided inside the fixed rear cover 6. A fixed block 501 is installed inside the fixed groove 601. A 360-degree holographic projector 5 is installed under the fixed block 501. The lower side surface of the 360-degree holographic projector 5 is installed on the upper side of a clamping platform 404. An arc-shaped clamping plate 405 is installed outside the clamping platform 404. An arc-shaped convex plate 403 is installed under the clamping platform 404. The arc-shaped convex plate 403 is connected to install an image reflector 4. A fixing plate 401 is installed under the image reflector 4. A limiting arc plate 402 is installed inside the fixing plate 401. A fixed platform 301 is installed under the fixing plate 401. The limiting arc plate 402 is installed inside a limiting arc groove 303. A fixed baffle 302 is installed outside the fixed platform 301. A support arm 3 is connected and installed under the fixed platform 301.

[0022] The working principle of the present utility model is as follows:

[0023] When using a 3D holographic projection display device, by adjusting the function buttons 202 on the front side of the spatial light regulator 2, the complex light effects on the surface of an object can be restored, presenting a real texture effect, providing rich details and a realistic texture. By converting the image projected by the 360-degree holographic projector 5 through the image reflector 4, a real three-dimensional presentation can be achieved, and the audience can view from any angle and experience a strong sense of immersion.

[0024] Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present utility model. The structures, devices, and operation methods not specifically described and explained in the present utility model, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. A 3D holographic projection display device, characterized in that: The invention comprises a base (1), a spatial light modulator (2), a support arm (3), an image reflector (4), a 360-degree holographic projector (5) and a fixed back cover (6), wherein the spatial light modulator (2) is installed at the middle position on the upper side of the base (1), support arms (3) of the same specification are installed on the left and right side walls of the spatial light modulator (2), the image reflector (4) is installed on the upper side of the support arm (3), the 360-degree holographic projector (5) is installed on the upper side of the image reflector (4), and the fixed back cover (6) is installed on the upper side of the 360-degree holographic projector (5).

2. A 3D holographic projection display device according to claim 1, characterized in that: A digital micromirror (201) is installed in the middle of the spatial light modulator (2), and a plurality of function buttons (202) are installed on the front side of the spatial light modulator (2).

3. A 3D holographic projection display device according to claim 2, characterized in that: Support plates (101) of the same specification are installed at the left and right ends of the upper side of the base (1), and a top plate (102) is installed on the upper side of the support plate (101).

4. A 3D holographic projection display device according to claim 3, characterized in that: A fixed rear cover (6) is installed at the middle position of the lower side of the top plate (102), and a fixed groove (601) is provided in the fixed rear cover (6).

5. A 3D holographic projection display device according to claim 4, characterized in that: A fixing block (501) is installed in the fixing groove (601), and a 360-degree holographic projector (5) is installed on the lower side of the fixing block (501).

6. A 3D holographic projection display device according to claim 5, characterized in that: The lower side of the 360-degree holographic projector (5) is mounted on the upper side of the card platform (404), an arc-shaped card plate (405) is mounted on the outer side of the card platform (404), an arc-shaped convex plate (403) is mounted on the lower side of the card platform (404), and the arc-shaped convex plate (403) is connected to the image reflector (4).

7. The 3D holographic projection display device according to claim 6, characterized in that: A fixing plate (401) is installed on the lower side of the image reflector (4), and a limiting arc plate (402) is installed on the inner side of the fixing plate (401).

8. The 3D holographic projection display device according to claim 7, characterized in that: The fixing platform (301) is installed on the lower side of the fixing plate (401), the limiting arc plate (402) is installed in the limiting arc groove (303), the fixing baffle (302) is installed on the outer side of the fixing platform (301), and the lower side of the fixing platform (301) is connected to the mounting support arm (3).

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