DSE 2014: Edge I&D Introduces Its 84″ 4K Line of Displays for Education and BusinessesFebruary 14, 2014 | Home / February 14, 2014 rave-video / DSE 2014: Edge I&D Introduces Its 84″ 4K Line of Displays for Education and Businesses DSE 2014: Edge I&D Introduces Its 84″ 4K Line of Displays for Education and Businesses