Digital Europe, the organisation representing the European technology industry has published a logo that should help consumers to easily identify Ultra HD TVs. To be allowed to carry the logo the TV needs to have a HDMI 2.0 output with HDCP 2.2.
http://www.myce.com/news/organisation-reveals-ultra-hd-logo-requires-hdmi-2-0-and-hdcp-2-2-72681/
http://www.myce.com/news/organisation-reveals-ultra-hd-logo-requires-hdmi-2-0-and-hdcp-2-2-72681/