Patent ID: 9423626
Filing Date: 2016-08-23
CPC Classification: G02B,H04N

Claim Text:
1. A three-dimensional (3D) image display apparatus, comprising: an image generator configured to time sequentially generate two-dimensional (2D) multi-view images having different viewpoints respectively corresponding to multiple viewpoints; an active optical device configured to a varifocal lens configured to vary a focal position of the generated 2D images along a second direction away from the image generator, wherein the active optical device is further configured to be adjustable so as to refract light containing the generated 2D images having different viewpoints at angles respectively corresponding to the different viewpoints, and driven in synchronization with the image generator, wherein the generated 2D multi-view images having different viewpoints are respectively time sequentially provided to a viewer so that the viewer perceives a three-dimensional image with one eye, in accordance with the time sequential changing of the active optical device.