Patent ID: 8773519

Claim:
An image display apparatus comprising: an image output control unit that generates or receives an image frame sequence in which an additional information image frame including additional information is added between an image frame for a left eye and an image frame for a right eye, and that outputs the image frame sequence to a display unit; the display unit which displays the image frame sequence output by the image output control unit; and a control signal output unit that outputs a control signal for opening/closing shutters for the left and right eyes of glasses for three-dimensional image observation worn by an observer, wherein the control signal output unit outputs a control signal that sets the shutters for both the left and right eyes to a closed state at a display timing of the additional information image frame for the display unit, and wherein the control signal output unit outputs a control signal that takes into consideration a frame display switching period such that the closing of the shutters is completed before the frame display switching period ends.