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
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