Optical flat structure achieving air imaging

Abstract

The invention provides an optical flat structure achieving air imaging. The optical flat structure is characterized by comprising an upper lens and a lower lens which are overlaid in a closely attached mode; the upper lens and the lower lens are both formed by multiple reflecting bars which are perpendicular to the lens surface and arranged in parallel, reflecting films are arranged on the two side faces of each reflecting bar respectively, and the reflecting bars of the upper lens and the reflecting bars of the lower lens are arranged in an orthogonal mode. According to the optical flat structure, through an optical panel reconstructed through a special precise microstructure, a two-dimensional or three-dimensional light source can form a real image in air directly to realize a real holographic image; the structure is simple, a real image can be directly formed before a user's eyes, and real holographic interaction can be achieved through system integration in the later stage.

Description

technical field [0001] The invention relates to the field of optical technology, in particular to an optical flat plate structure for realizing air imaging. Background technique [0002] At present, the air imaging method that can be realized on the market is to spray water vapor in the air, and the water vapor liquefies into small water droplets to form a fog screen on the whole, and then project the content onto the fog screen to realize air imaging, but In essence, it is still a projection method, and continuous water supply is required to continuously form a fog screen. At the same time, the image formed by projection will have serious light loss, the imaging effect is extremely poor, and the energy loss in the whole process is also huge. , the practicability is small, and it cannot become the next-generation display device substitute. [0003] At present, there are many products at home and abroad that use interference and diffraction to realize holographic imaging s...

AI Technical Summary

Problems solved by technology

[0002] At present, the air imaging method that can be realized on the market is to spray water vapor in the air, and the water vapor liquefies into small water droplets to form a fog screen on the whole, and then project the content onto the fog screen to realize air imaging, but In essence, it is still a projection method, and continuous water supply is required to continuously form a fog screen. At the same time, the image formed by projection will have serious light loss, the imaging effect is extremely poor, and the energy loss in the whole process is also huge. , the practicability is small, and it cannot be a substitute for the next generation of display devices

[0003] At present, there are many products at home and abroad that use interference and diffraction to realize holographic imaging step by step and display them. The design methods are various, but there are also some shortcomings. The existing holographic projection products must be imaged on a specific carrier, and the effect is poor. It is a "pseudo" hologram, and the display effect and interactive experience are not attractive enough for the product

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