Patent ID: 8413073

Claim:
A Three-Dimensional (3D) display device comprising: an image signal processor for processing an image signal that includes 3D content; a 3D menu generator for generating a 3D control menu; a 3D formatter for formatting the 3D content outputted from the image signal processor into a 3D image; a display unit for simultaneously displaying a 3D preview image of the 3D content and the 3D control menu on different portions of a screen respectively before displaying the content image on the entire screen, when a mode of the 3D display device changes from a two-dimensional (2D) mode to a 3D mode for displaying the 3D content; a user interface for receiving a user input for the 3D control menu; and a controller for setting picture output parameters of the 3D content according to the user input by using the displayed 3D control menu and applying the set picture output parameters to the displayed 3D preview image, and wherein the 3D control menu is implemented as a 3D polyhedron, and the 3D polyhedron to display a lower menu of the 3D control menu while rotating according to the user's input, and wherein the preview image is displayed on a surface of the 3D polyhedron.