PurpleVine, Drives PurpleVine Drives TCL's Successful Entry into the HEVC Advance Patent Pool 07.08.2025 - 18:07:29 PurpleVine IP Massachusetts China Germany View original content:https://www.prnewswire.co.uk/news-releases/purplevine-drives-tcls-successful-entry-into-the-hevc-advance-patent-pool-302320924.html