Samsung Display has pushed smartphone OLED performance to a new threshold, developing what it says is the world’s first 6.9-inch panel to combine 2K resolution with a 165-hertz refresh rate while consuming about 30 percent less power. High-end gaming smartphones currently on the market typically feature 1.5K OLED displays with refresh rates of up to 165Hz. Samsung Display’s new panel raises the resolution to 2K while maintaining the same refresh rate, targeting increasingly graphics-intensive mo