DSE 2014: NEC Display Solutions Exhibits X554UN Ultra-Thin Bezel Videowall Display February 14, 2014 | Home / February 14, 2014 rave-video / DSE 2014: NEC Display Solutions Exhibits X554UN Ultra-Thin Bezel Videowall Display DSE 2014: NEC Display Solutions Exhibits X554UN Ultra-Thin Bezel Videowall Display