In 2006, High Elevation Technologies, now known as Ledder Technologies, along with leading LED manufacturer OSRAM, cross-licensed to the then public company Ya Hsin Industrial and became the world’s first company to obtain Osram’s General Lighting patent right. It was breaking news for the industry, however, because of Ya Hsin’s CEO’s personal reasons; the hope of LED lighting industry suddenly disappeared. Now in 2011, with twenty years of research and development in patented technologies, Ledder Technologies solved the heat dissipa...