The outlook for South Korea’s two major display makers—LG Display (LGD) and Samsung Display (SDC)—is strengthening as both companies move toward improved performance in the large-size OLED market. LG Display’s white-OLED (WOLED) business is expected to turn an annual profit for the first time, while SDC is narrowing losses in its QD-OLED operations by focusing on the high-margin monitor segment.