Patent ID: 9046758
Filing Date: 2015-06-02
Classification: G02B,G03B,H04N

Abstract:
1. An omnidirectional-view three-dimensional display apparatus, comprising: a high-frame-rate projector, a rotary actuator, a rotatable reflector device positioned on the rotary actuator, and a cylindrical transmissive selective-diffusing screen, wherein an optical axis of the high-frame-rate projector is coincident with a rotating axis of the reflector device and an axis of the cylindrical transmissive selective-diffusing screen; images projected by the high-frame-rate projector are divided and reflected by the reflector device to form images on the cylindrical transmissive selective-diffusing screen; wherein the cylindrical transmissive selective-diffusing screen limits a divergence angle of emergent light incident from different directions, in such a manner so that: in a vertical direction, the light is forced to go through and emit in a certain angle whereas in a horizontal direction, the light is directly transmitted at another certain angle, ensuring that at each view angle horizontally, only the image for this view can be seen, and different images can be watched in different top/bottom vertical views; wherein the axis of the cylindrical transmissive selective-diffusing screen is the vertical direction.