Design of GRIN Liquid Crystal Lens for Autostereoscopic 2-D/3-D Switchable Display

Two-dimensional (2D)/three-dimensional (3D) convertible or mixed display is one of the most important factors for the fast penetration of 3D display into the display market. In this paper, we propose a 2D/3D mixed frontal projection system that mainly contains a liquid crystal micro-lens array (LCMLA) and a quarter-wave retarding film with pinholes (QWRF-P). The LCMLA exhibits the focusing effect or no optical effect depending on the polarization direction of the incident lights. The forward incident lights pass through the LCMLA without any bending. After passing through the QWRF-P twice, half of the backward lights change the polarization direction with 90°, and the other half remains. Using our designed system, different display modes, including 2D display, 3D display, and 2D/3D mixed display, can be realized. The unique feature of the proposed 2D/3D mixed frontal projection system is that it can switch the display modes by simply changing the image sources without the need of any active optical devices. Moreover, the proposed system is compact, simple and space-efficient, which is suitable for the application in glassless 3D cinema and home 3D theatre.

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Design of GRIN Liquid Crystal Lens for Autostereoscopic 2-D/3-D Switchable Display

Cited by 2 publications

References 3 publications

Innovative 3D/2D Augmented Reality System Based on a Liquid-Crystalline Microlens Array and Full-Color Holographic Optical Element

Innovative 3D/2D Augmented Reality System Based on a Liquid-Crystalline Microlens Array and Full-Color Holographic Optical Element

2D/3D mixed frontal projection system based on integral imaging

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