Here's what's coming next for 4K TVs
http://www.techradar.com/news/heres-whats-coming-next-for-4k-tvs
The future of TV is OLED. Everyone knows that, and in the wake of the umpteen OLED TV launches at IFA 2017 in Berlin, everyone knows that for sure.
Except everyone is wrong. It may be the tech that most major manufacturers are talking about, but OLED will likely remain a niche technology for many years.