Personal video walls: LDX series Centra Security Services > Security Products > Control Rooms & Video Walls > Personal video walls: LDX series Posted on May 11, 2015 (May 5, 2019) by Centra Security Services Barco’s LDX series display with LED backlights has been designed for use in a wide variety of professional applications. The LDX produces crisp, bright and coloraccurate images on a 46” or 55” screen. More Info