Patent ID: 8264477

Claim:
An image display apparatus comprising: a displaying device for displaying a two-dimensional image on a screen; an image transmitting panel which is located on an optical path of display light which constitutes the two-dimensional image and which transmits the display light such that a formed image of the two-dimensional image is displayed on one planar surface located in a space opposite to the screen; and a display controlling device for controlling said displaying device to perform a masking process in which an image portion is made invisible from an observer looking at the formed image, on the image portion of the two-dimensional image corresponding to at least a planar area occupied by an actual object in the one planar surface, when the actual object located in the space opposite to the screen, with the one planar surface as a boundary, crosses the one planar surface, wherein said display controlling device controls said displaying device to perform the masking process on the image portion corresponding to an area which is slightly larger than the planar area by a predetermined margin, when the actual object crosses the one planar surface.