Patent ID: 6950078
Filing Date: 2005-09-27
Classification: G02B,H04N

Abstract:
1. A three-dimensional display comprising: a three-dimensional display means having a plurality of two-dimensional displays located at different depth positions, the three-dimensional display means being adapted to present a three-dimensional image by displaying an object to be presented on image planes of the plurality of two-dimensional displays and by variably setting a brightness level ratio of the plurality of two-dimensional displays according to a depth position of the object to be presented; and a viewing zone distributing means for distributing a viewing zone of the three-dimensional display means into a plurality of directions, wherein the viewing zone distributing means expands the viewing zone by distributing the viewing zone, and the viewing zone distributing means includes a movable optical system and a shutter device for performing shutter operations, the movable optical system being either half mirrors, total reflecting mirrors or prisms, or a combination of these, and wherein the viewing zone distributing means distributes the viewing zone on a time division basis by arranging the shutter device between the three-dimensional display and the optical system, reflecting or refracting light by-the optical system and synchronizing the three-dimensional display with the shutter device.