DISPLAY APPARATUS

摘要

A display apparatus is mountable on at least one of a dropped ceiling grid, a ceiling and a wall. The display apparatus is preferably a partially enclosed structure having an open side. In one embodiment, there is at least one hinge-fastener on a first side of the display apparatus adjacent to the open side for attaching said first side to a grid system member and at least one movable fastener on a second side of the display apparatus, preferably opposite said first side, for releasably attaching the second side to a grid system member. In other embodiment, the display apparatus is mounted by a rim extending around the open side of the display apparatus. A removable display unit may be inserted into and removed from the display apparatus replacing information, graphics, and advertisements therein.