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Radius of curvature is an important factor for flexible displays, especially in 3D field; however little research has been done. This paper provides a design reference for flexible autostereoscopic (AS3D) displays with different radius of curvature based on a ray-tracing approach. The recommended design radius of curvature for 4-inch-wide (10-cm) two-view flexible AS3D is the value larger than 30 cm.

Image quality is a critical issue for displays; however little empirical evidence was found in establishing a direct relationship between display designs and 3D image quality evaluations, for autostereoscopic displays. This paper provides a design reference for autostereoscopic display metrology based on geometric and ray-tracing approaches. The recommended design parameters for two-view autostereoscopic displays are, barrier aperture ratio aB equal to 0.5∼0.6 and sub-pixel aperture ratio aD equal to 0.3∼0.4.