Patent ID: 6215590
Filing Date: 2001-04-10
Classification: G02B,H04N

Abstract:
A stereoscopic image display apparatus, comprising:a light source having right and left shutter-cells for providing plural pairs of right and left lights to project right and left images, respectively;a spatial modulator spaced apart from the light source for spatially modulating said plural pairs of right and left lights from said light source so as to provide said right and left images on the eyes of at least one viewer;a display mode changer, coupled to and controlling said light source, for changing a display mode between a stereoscopic image display mode and a normal plane image display mode in accordance with a location of said at least one viewer; anda lighting controller located within said display mode changer for controlling said right and left shutter-cells;wherein said light controller alternately activates said right and left shutter-cells to alternately project said right and left lights to said spatial modulator when said display mode is selected to operate in said stereoscopic image display mode; andwherein said light controller simultaneously activates all right and left shutter-cells in synchronization with the projection of said right or left lights, respectively, to said spatial modulator when said display mode is selected to operate in said normal plane image display mode.