This project is an internal exhibition project in Hitachi office in Japan. The goal of the exhibition is to give the idea of what is power devices to non-engineer employees. In this project, I was in charge of creating the graphics style and make the animation. The animation is around 4 minutes long with a simple storyline: 1. introduction // 2. power semiconductor //3. high voltage IC // 4. power diodes // 5. vision of future // 6. ending.