Sony has used its CES 2013 address to unveil a world-first 4K OLED TV.
According to Sony the screen - which is a prototype and still in development - is the world's first and largest 4K OLED TV. The displayed model was a 56-inch prototype and is possible thanks to Sony's new Super Top Emission technology - which aids the penetration of light through larger OLED glass.
More details - and images - as they come to hand. No announcements were made regarding a retail release window.