Patent ID: 8830274

Claim:
An information display device that displays, on a display unit with a touch panel, a list in which a plurality of pieces of identification information to be retrieved are arranged in a first direction, and scrolls the displayed list by an operation via the touch panel in one of the first direction and a second direction opposite to the first direction, the information display device comprising: an operational information determining means that determines operational information based on a user-touched position on the touch panel; a scroll speed detecting means that detects, if it is determined that there is scrolling in one of the first direction and the second direction based on the operational information determined by the operational information determining means, a speed of the scrolling; and a display control means that: displays, if the speed of the scrolling is lower than a threshold, the list in a first display mode such that descriptions of the plurality of pieces of the identification information are displayed to be identical in size to each other and description sections of the plurality of pieces of the identification information are displayed to be identical in size to each other while scrolling the list in the one of the first direction and the second direction; and displays, if the speed of the scrolling is equal to or higher than the threshold, the list in a second display mode such that a description and a corresponding description section of at least one of the plurality of pieces of the identification information arranged on a middle of the list are displayed to be larger in size than those displayed in the first display mode with descriptions and description sections of at least a number of the plurality of pieces of the identification information being gradually reduced in size from the middle of the list to each of the first and second directions while scrolling the list in the one of the first direction and the second direction.