Patent attributes
Each of image display apparatus, an image display method and a computer program is arranged to select one of a first display mode of displaying an image of an image signal having a first aspect ratio in the image display area and a second display mode of displaying an image of an image signal having a second aspect ratio in the image display area, superpose a character signal upon the image signal having the first aspect ratio in response to a character display command, change the second display mode to the first display mode, when the character display command is input while the second display mode is selected, and display an image of the image signal having the first aspect ratio, on which the character signal is superposed, in the image display area.