LAS VEGAS, Jan. 8, 2018 /PRNewswire/ -- Panasonic is today delighted to announce the launch of its latest Ultra HD Blu-ray Players, including two models – the DP-UB820 and DP-UB420** – which support HDR10+ dynamic metadata technology, the next-generation HDR format. And with the accompanying DP-UB330/DP-UB320 series, the line-up for 2018 comprises four players, all Ultra HD Premium LAS VEGAS, Jan. 8, 2018 /PRNewswire/ -- Panasonic is today delighted to announce the launch of its latest Ultra HD Blu-ray Players, including two models – the DP-UB820 and DP-UB420** – which support HDR10+ dynamic metadata technology, the next-generation HDR format. And with the accompanying DP-UB330/DP-UB320 series, the line-up for 2018 comprises four players, all Ultra HD Premium