Fresh tech from Samsung: LEDoS panels are based on micro LEDs on silicon, unlike OLEDoS displays (Organic Light Emitting Diodes on a silicon panel). There are present limitations with using OLEDoS (in terms of picture brightness and overall lifespan), that LEDoS technology is to eliminate.
In the big picture, Apple suppliers LG and Samsung are working on the next-gen display for AR devices known as LEDoS. Yesterday, Samsung revealed that they begun development of LEDoS displays