Large‐Size and Wide‐Viewing‐Angle Holographic Near‐Eye 3D Display System Based on Liquid Crystal Holographic Lens

ABSTRACT Holographic near‐eye 3D display can achieve revolutionary applications in various fields such as communication, medical treatment, and industrial operation, and it is the frontier hotspot of international research. To realize the immersive viewing experience, a large‐sized and wide‐viewing‐angle holographic near‐eye 3D display performance is indispensable. However, the existing equipment does not have this characteristic. Here, a holographic near‐eye 3D display system is proposed, which uses the unique combination of liquid crystal (LC) holographic lens and holographic tilt mapping algorithm to overcome the above challenges. The key innovation of the system is a customized polarized LC holographic lens to support large‐size and wide‐viewing‐angle holographic reproduction by performing corresponding real‐time reflective diffraction modulation on different polarized light. This is designed together with the holographic tilt mapping algorithm, which combines two display modes: large‐size and wide‐viewing‐angle. The co‐design of our unique system and algorithm has doubled the size and viewing angle, which represents an important progress in holographic near‐eye display. The proposed system is very simple in structure and easy to integrate, which is expected to promote the development of holographic near‐eye display.