Backlit HopUp Displays by APG Exhibits. Information on setting up and displaying your HopUp Backlit Trade Show Exhibit.The Backlit Hopup creates a dynamic display with vibrant LED lights that are long-lasting. LED light attachment is simple! Simply connect the lights to the scissor arms, tether the cords, plug in and you have an illuminated backwall, exhibit, or sign. No tools are required for assembly. Shop now at APG Exhibits!