Glasses-free 3D display with glasses-assisted quality: Key innovations for smart directional backlight autostereoscopy

A glasses-free 3D display with glasses-assisted quality is presented. Self-adaptive algorithm is employed to optimize system parameters, which is applied to design the micro structure of lens array and free form surface backlight units. Moiré contour map based on contrast sensitivity function is simulated and is manipulated by ameliorating the period ratio and the tilt angle of the superimposed periodical optical components. Directional transmissions of multi-users 3D images are realized with a finer dynamic synchronized backlight control and a face recognition technology. Comfortable viewings are demonstrated for two viewers, with full high definition for a single viewing channel. Minimum crosstalk as low as 2.3% is demonstrated over a large viewing volume.