Koo Bon-joon, the head of trading firm LG International, will take over from Nam Yong, who resigned from the top job to take responsibility for poor management, LG said on Friday.

The prototype suggests future products could eliminate the cost and bulk of for power management conversion circuitry OLEDs need today.

"It's difficult to set a clear plan for the coming year 2011, but we're considering around 30 trillion won [in investments]," Samsung Electronics CEO Choi Gee-sung told reporters on the sidelines of consumer-electronics show IFA on September 3.