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Wavelength division multiplexing three-dimensional display system

A three-dimensional display and wavelength division multiplexing technology, applied in the direction of instruments, etc., can solve the problems of complex structure, large system volume, limited space bandwidth product of the display system, etc., and achieve the effect of increasing the space bandwidth product and improving the space bandwidth product

Active Publication Date: 2021-06-22
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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Problems solved by technology

The insufficient spatial bandwidth product of the 3D display system directly affects the viewing quality of 3D images. Although some researchers have proposed methods to improve the spatial bandwidth product of the 3D display system, such as space-division multiplexing, time-division multiplexing, or pixel multiplexing, etc., However, these methods have the problems of large system size, complex structure or huge calculation amount.
Although the research on related implementation methods has continued for many years, the improvement of the spatial bandwidth product of the display system is still limited.

Method used

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Embodiment Construction

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the embodiments of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, the connection can be used for both fixing function and circuit communication function.

[0024] It is to be understood that the terms "length", "width", "top", "bottom", "front"...

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Abstract

The invention discloses a wavelength division multiplexing three-dimensional display system, which comprises a projection module, a light splitting module, a diffusion module and an imaging module, and is characterized in that the projection module is used for emitting projection image light to the light splitting module, and the light splitting module is used for separating light with different wavelengths in the projection image light emitted by the projection module in space; the separated projection image light reaches the imaging module after passing through the diffusion module, and the imaging module is used for forming the separated projection image light into images at different depths in space. According to the wavelength division multiplexing three-dimensional display system provided by the invention, the spatial bandwidth product of the three-dimensional display system is greatly improved.

Description

technical field [0001] The invention relates to the field of three-dimensional display, in particular to a wavelength division multiplexing three-dimensional display system. Background technique [0002] True 3D display technology is the forefront of display technology, the most viable next-generation display technology that will eventually become a common platform for display technology. It is committed to achieving the same display effect as viewing real objects, and can provide complete psychological and physiological 3D perception information. Three-dimensional display technology provides a unique means for viewers to understand the spatial relationship of three-dimensional images, so it shows advantages that ordinary two-dimensional display terminals cannot match in military, education, medical and other application fields. However, the current 3D display technology is facing the technical bottleneck that the spatial bandwidth product is difficult to improve. Compared...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B30/23G02B30/52G02B30/56
CPCG02B30/23G02B30/52G02B30/56
Inventor 陈志东金欣
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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