PurpleVine, TCL PurpleVine IP Massachusetts China Germany 07.08.2025 - 18:07:53 PurpleVine ebnet TCL den Weg in den HEVC-Advance-Patentpool View original content:https://www.prnewswire.com/news-releases/purplevine-ebnet-tcl-den-weg-in-den-hevc-advance-patentpool-302322990.html