LG Display is currently focused on 4K OLED TV panels, and according to ET News, the company managed to increase production yields of 65" and 77" 4K OLEDs to 65% and they expect the yields to continue and increase and reach over 85% by the end of they ear. LGD's Full-HD panel yields are now over 80%.
http://www.oled-info.com/lg-display...nfo+(OLED-Info:+OLED+tech+news+and+resources)