Samsung has just pulled the curtain back on a new twist to its QD-OLED lineup, called QD-OLED Penta Tandem. If that name sounds like a marketing bingo card, the idea behind it is actually pretty practical: it's a new way of stacking OLED light-emitting layers so the display can get brighter, more efficient, and sharper, without needing to increase the physical size of the panel.

