Patent ID: 7800710

Claim:
An image display apparatus having one display screen configured to display images corresponding to a plurality of observers, the apparatus comprising: illumination means for emitting a first light flux and a second light flux in at least two different directions in a time sharing manner; and a transmissive display element configured to display in a time sharing manner a first image using the first light flux emitted from the illumination means as illumination light and a second image using the second light flux as illumination light, wherein the illumination means includes: a first light source which emits the first light flux; a second light source which emits the second light flux; a first light guiding plate which projects the first light flux emitted from the first light source only in a direction to a first observer; and a second light guiding plate which projects the second light flux emitted from the second light source only in a direction to a second observer; wherein a plurality of light emitting elements are disposed adjacently to the first light guiding plate and the second light guiding plate along a raster scan direction of the transmissive display element; and wherein each of the light emitting elements is individually controlled for light emission.