A description the present disclosure relates to display framing systems and more specifically to systems that are mountable on doors and or vehicles and optionally lit a mobile display framing system such as described herein may be advantageously located on the back of a tractor trailer or bus where it can be kept out of the wind and where following vehicles can view an advertisement disposed therein for a considerable length of time the display may be lit especially at night to increase the effective advertising time and thus the number of people viewing the advertisement in one embodiment a display framing system may be used to secure a plexiglas u00ae sign to a surface of a door e g the rear door of a tractor trailer though it is nonetheless understood that the present systems may be used with any interior or exterior door gate stall or other hinged body for example a frame assembly retains a semi flexible sheet like panel or sign within a substantially rectangular frame the frame is adapted to contain peripheral edges of the sign within an opening in the front surface of the frame system the frame is further designed with a canted orientation that allows doors to be opened without interference from or damage to the frame system or vehicle in another embodiment a display framing system may be mounted on an unhinged body e g a posterior portion of a bus a.