| 摘要 |
PURPOSE:To provide the title blue color light-emitting diode in high efficiency and brightness having excellent light-emitting characteristics such as color purity. CONSTITUTION:The title blue color light-emitting diode is composed of a buffer layer 2 comprising GaxAl1-xN (where 0<X<=1), an Si doped n type clad layer 3, a Zn doped light-emitting active layer 14 and an Mg doped p type clad layer 5 laminated on a sapphire substrate 1. |
