Sony's new TV range has 4K, Android and HDR on offer.
Netflix is making a new documentary series by the creators of Planet Earth, this time in glorious 4K.
The next-gen SUHD TVs that Samsung introduced at CES have reared up again with a flood of new details.
By learning how the human eye perceives color, a new software was developed for brighter digital displays with more accurate colors.
For the Olympic Committee to commit to 4K broadcasts it would need more interest from the world's broadcasters first.