EXTRACTION SYSTEM FOR SCREEN GAP BASED ON DISPLAY WALL, AND EXTRACTION METHOD THEREOF

摘要

PURPOSE: A screen gap extraction system and a method thereof are provided to remove visual areas in screen gaps due to boundaries of multiple screens and effectively control illumination and projecting angles of an optical engine. CONSTITUTION: A projection display device (110) forming a screen wall (100) comprises a main housing forming an external appearance; a screen (113) mounted at an opening of the front of the main housing; an optical engine (114) installed inside of the main housing; a reflector (112) inclinedly installed inside of the main housing to reflect incident light emitted from the optical engine in the direction of the screen on which an image is formed.