SEOUL -- LG Display Vice President Cho Min-woo's calendar these days is filled with overseas trips.
South Korean maker takes early lead in projecting ads, information on windows

South Korea's LG Display is betting that demand for T-OLED screens that can display information on train car and other windows will grow. (Photo courtesy of LG Display)
SEOUL -- LG Display Vice President Cho Min-woo's calendar these days is filled with overseas trips.