Triple XD Engine Triple XD Engine processes images with even greater precision to enable more natural color expression, deeper contrast and for a more lifelike picture. HDMI HDMI (High Definition Multimedia Interface) offers incredible audio/video quality and single-cable convenience. This monitor includes an HDMI input, so you can connect a true high-definition source, such as a high-end computer, Blu-ray player or next-generation videogame console. LED Backlighting LG''s LED backlighting delivers exceptional brightness and amazing image clarity. You''ll see richer colors and deeper blacks too, and LEDs offer greater energy efficiency compared to conventional LCD monitors.