Advanced Inorganic Materials for Solid State Lighting
In 1907, Henry Round described the first electroluminescent device based on silicon carbide . Since then, lighting based on solid-state devices has started a long research road. The development of bright "candela-class" green, blue, and near-ultraviolet diodes by Nakamura in the 1990s was a ...
危险品化学品经营许可证（带存储）