The Convergent Contents Research Department has been researching and developing on virtual reality, copyright protection·distribution·management, u-learning, and digital cinema technologies. In the virtual reality area, the mixed reality and simulation technologies have been developed. In the copyright area, copyright content filtering, forensic marking, and DRM interoperability technologies been developed. Also, interactive learning technologies in the u-learning, codec and digital cinema protection technologies in the digital cinema are being developed. The main results include ship painting simulator using virtual reality, movies and music copyright content filtering, DRM interoperability, interactive english learning system for elementary school students, and 2K JPEG2000 digital cinema codec.