DSE 2017: LG Unveils Its OLED Wallpaper for Commerical and Digital Signage Applications March 30, 2017 | Home / March 30, 2017 rave-video / DSE 2017: LG Unveils Its OLED Wallpaper for Commerical and Digital Signage Applications DSE 2017: LG Unveils Its OLED Wallpaper for Commerical and Digital Signage Applications