Patent ID: 7969424

Claim:
An electronic device, comprising: a screen display unit that has a screen, displays operation information on a user's operations in at least one effective area within the screen, and distinguishes the at least one effective area from at least one ineffective area within the screen; a touch input unit that accepts the user's tactile touch operation upon a screen of the screen display unit; a touch location detection unit that detects the touch location of the touch operation within the screen, upon acceptance of a touch operation through the touch input unit; a display mode change unit that changes relative visibility of the display mode of the at least one effective area and the display mode of the at least one ineffective area within the screen, if the touch location detected by the touch location detection unit is determined to be corresponding to the at least one ineffective area within the screen; and a frequency table in a memory unit, wherein each of the user's tactile touch operation upon the screen of the screen display unit is stored in the frequency table in the memory unit, and wherein the display mode change unit changing relative visibility of the display mode of the at least one effective area and the display mode of the at least one ineffective area comprises at least one effective area and the operation information displayed in the at least one effective area corresponding to relatively frequently used operations for the user becoming subject to an accentuated display with increased priority.