Digital display device and method for controlling the same (출원)

Sungsuk Kang, Baeguen K, Yongho Cho, Hyunjoong Kim, Sungzoon Cho,Myunghwan YUN, Taehoon KO, Eunjeong PARK, Ilgeun KWON, Chul Chung

https://www.google.co.kr/patents/US20140250477