LG Display plans multi-billion OLED plant

South Korea's LG Display said on Friday it planned to invest close to $9.0 billion in a new plant to produce organic light-emitting diode (OLED) displays, anticipating a surge in demand for the ultra high-definition technology. Total investment in the plant, to be built in Paju near the border with North Korea, is expected to top 10 trillion won ($8.7 billion), the company said. OLED screens deliver a more vivid picture quality, consume less electricity and promise wider profit margins than the