A self-contained illuminated sign for mounting on a vehicle is disclosed. The sign includes a front panel, a rear panel situated opposite and substantially parallel to the front panel in spaced relation therefrom to define a space therebetween, and a light source comprising a plurality of LEDs. The light source is positioned between the front and rear panels and is configured to emit light that emanates from the front panel. The front panel is thus backlit to display indicia. A system for supporting a self-contained illuminated sign on a vehicle is also disclosed. The system includes the sign and a separate mounting frame mountable on a vehicle. The mounting frame is configured to removably receive the sign and, when the sign is received in the mounting frame, to surround a perimeter of the sign while permitting visibility of the front display area. Related methods are also disclosed.

A portable display apparatus and system are provided that is not limited to placement by the presence of mains power and avoids mains power leads that may pose a tripping hazard. The portable display apparatus comprises: a self-standing housing; a digital display screen mounted to the housing and viewable from an outside of the housing; and a rechargeable battery provided in the housing, wherein the rechargeable battery is configured to power the digital display screen to thereby enable the digital display screen to display media thereon.

Framing member for use in mounting and displaying a SEG product.