Patent ID: 8584043

Claim:
A method of controlling an operation of a mobile communication device equipped with a touch screen, the method comprising: displaying on the touch screen a plurality of thumbnail images, each thumbnail image corresponding to an image file stored in the mobile communication device, the plurality of thumbnail images overlapped on the touch screen; selecting a first thumbnail image located at a first position on the touch screen in response to a touch input to the first thumbnail image; displaying the selected first thumbnail image in a manner to be distinguished from other thumbnail images of the plurality of thumbnail images by placing an icon for initiating a display of a menu on an icon display area of the selected first thumbnail image; one of (a) in response to a touch to the icon, displaying a turning over of the first thumbnail image with the icon to display the menu on a reverse side of the turned over first thumbnail image, a size of the displayed menu being larger than a size of the first thumbnail image, and automatically redisplaying the first thumbnail image if a touch input is not detected on the menu within a first predetermined time after displaying the menu; and (b) if there is no touch to the icon, displaying a first image and first image control icons corresponding to the first thumbnail image on a full screen of the touch screen when a touch input is detected in an image display area of the first thumbnail image, the first image control icons being located on at least one vertical border area of the touch screen, and automatically removing the first image control icons from the touch screen if a touch input is not detected on the first image control icons within a second predetermined time after displaying the first image control icons, while maintaining the first image on the touch screen; and adjusting a brightness of the first image in response to a user input of touching and dragging in a predetermined direction on the first image while the first image is displayed, the brightness of the first image being adjusted in proportion to a dragged distance.