Patent ID: 8947779
Filing Date: 2015-02-03
Classification: G02B,H04N

Abstract:
1. A three-dimensional (3D) image display apparatus, comprising: an active optical element configured to be switched to have different configurations to adjust the path of light beams defining different perspectives of a single image by refracting the light beams in a time sequential manner; and a relay optical system configured to transmit the refracted light beams towards a pupil of a viewer, wherein first and second perspectives of the image are simultaneously transmitted to the pupil at a first angle, in accordance with the active optical element being in a first configuration, third and fourth perspectives of the same image are simultaneously transmitted to the pupil at a second angle, in accordance with the active optical element being in a second configuration, wherein the first, second, third and fourth perspectives of the image are observed together by the pupil to give a 3D appearance.