Folded light path geometric holographic display system

A holographic display and geometric technology, applied in the field of 3D display, can solve the problems of providing sufficient system layout space, inability to guarantee reliability, and high cost, so as to improve display effect and reliability, overcome the shortage of 3D film sources, and reduce space occupancy Effect
CN111338176APending Publication Date: 2020-06-26JINGMEN CITY DREAM EXPLORATION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JINGMEN CITY DREAM EXPLORATION TECH CO LTD
Publication Date
2020-06-26

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Abstract

The invention relates to the field of 3D display, and discloses a folded light path geometric holographic display system, which comprises at least one projector, a transmission type geometric holographic screen, a support structure, a controller and at least one light path folded lens group, the light path folding mirror group at least comprises a plane mirror with a reflection function, and is used for changing a propagation path of light projected by the projector; the number of viewpoints of the folded light path geometric holographic display system is n; the mean value of the diameters ofthe light-transmitting parts of the lenses on the outermost side of the projector is D decimeters; the mean value of the projection light source power of the projector is P watt; by introducing the light path folding lens group capable of changing the propagation path of the projection light of the projector, the light path is flexibly converted and folded, the space can be reasonably utilized, the space occupancy of the whole display system is reduced, and the layout flexibility of the display system is effectively improved.
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Description

technical field

[0001] The invention relates to the field of 3D display, in particular to a folded optical path geometric holographic display system. Background technique

[0002] Compared with traditional 2D display technology, 3D display technology can provide depth information, thereby displaying more visual information and making the displayed image more reductive. Therefore, 3D display technology is a very popular technology in academic research at present. Among them, the 3D display scheme based on holographic technology can restore the light field distribution of the real physical world in principle, thereby completely restoring all the optical characteristics of the 3D scene. The traditional holographic display technology uses the fluctuation characteristics of light to record the light intensity information and phase information of the scene at the same time, so as to realize the recording of the light intensity, color and depth of field of the scene. However, thi...

Claims

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