SEOUL -- South Korea's Samsung and LG are putting out new OLED technologies like stretchable and transparent screens as they try to stave off rising Chinese competition.
Samsung new displays include the Odyssey OLED G8, a 27-inch 4K OLED gaming monitor with a 240Hz refresh rate, and the Odyssey OLED G6, a 27-inch QHD monitor with a 500Hz refresh rate after its display ...