http://www.techradar.com/news/best-oled-tvs-our-pick-of-the-best-oled-televisions-you-can-buy-today

OLED really came of age over the past 12 months. 

For starters, more brands started selling OLED TVs. Second, by adding more brightness to their already peerless contrast qualities, OLED TVs became much better at handling the ultra-bright high dynamic range (HDR) picture format that’s become the latest must-have television technology.