Patent ID: 8654082

Claim:
A mobile display device, in particular for displaying text and image information, comprising: a casing having a planar display unit with at least one planar display screen disposed on a first side of the casing; at least one manipulation region for operation by a user, said manipulation region being provided at a border zone of the display unit in such a way that the user can perform operating actions with one or more fingers of one hand; and at least one actuatable operating element that is arranged within the manipulation region on a second side of the casing that faces in a direction different than the first side, wherein actuation of the at least one operating element individually or in combination initiates at least one of leafing-through functions to navigate document content displayed on the display screen, scrolling functions to navigate document content displayed on the display screen, and providing functions for selection menus; wherein at least one said operating element is adapted to actuate, on selection in an initial state, a specific first functionality, and, immediately after actuating the first functionality, is automatically re-programmed to be adapted to actuate, in a next state, a selected second functionality; wherein the first side of the casing is a front side and the second side of the casing is a rear side; wherein at least a portion of the display screen within the manipulation region includes a touch-sensitive touchscreen; wherein at least a border zone of the display screen includes the touch-sensitive touchscreen, and wherein at least one of a screen corner region and a region in the middle of the border zone is actuatable for initiating specific functions.