U.S. Debut at PhotoPlus Expo Expands LG's Monitor Portfolio, Including New Premium Curved and Flat 21:9 Models /PRNewswire/ --LG Electronics has launched its new "Digital Cinema 4K Monitor," a professional-grade yet affordable desktop display that delivers the intense detail and color accuracy demanded by today's photo, video and graphic design professionals. The LG Digital Cinema 4K Monitor debuts today at the PDN PhotoPlus International Conference + Expo at the Javits Center in .