Patent ID: 7437681

Claim:
An image display apparatus which displays information concerning folders in which image files are included to receive an instruction for selecting a folder, and displays images included in the selected folder, the image display apparatus comprising: a date and time information obtaining device which obtains date and time information concerning the images included in the folder; a calculating device which calculates a time range from an oldest image to a newest image in the folder according to the date and time information obtained by the date and time information obtaining device; a display control device which displays date and time information indicating the time range calculated by the calculating device; wherein the display control device has a mode for displaying an icon of the folder, the icon comprising a representative image included in the folder and the information indicating the date and time range of the folder, wherein the representative image is extracted at a predetermined interval of the number of images included in the folder; a storage device for storing data of the time range and a file list of the images included in the folder for which the time range is calculated; and a processor for comparing a current file list with the stored file list, and if the both file lists are identical, displaying the time range in a hour/minute format using the stored data, while if the both file lists are different from each other, obtaining date and time information concerning the images only for a different file and recalculating the time range using at least one of the stored file list and time range.