2018 will be the year 4K TV goes big, but HDR still lags behind

The Winter Olympics, Wimbledon, the World Cup and Premier League football will drive 4K into the mainstream – but HDR will remain nicheDuring Black Friday and the run up to Christmas , discounted TVs have been advertised with buzzwords such as 4K, UltraHD and HDR banded around as the latest and greatest thing – but is now the right time to buy one?Having been burned by 3DTV and then annoyed by often rubbish smart TVs, you could be forgiven for thinking that 4K and HDR are the next bi