Light sources,especially white light sources,are indispensable and their development is strongly correlated with the progress of our technology-based society.White light sources have evolved from the primitive flame-b...Light sources,especially white light sources,are indispensable and their development is strongly correlated with the progress of our technology-based society.White light sources have evolved from the primitive flame-based devices of 600,000 years ago to the current LED and electroluminescence devices,and continue to illuminate human activities and technological achievements.The 2014 Nobel Prize in Physics was awarded to Professor Shuji Nakamura et al.for their outstanding contributions in the invention of blue light emitting diodes and white light emitting diodes(WLED),which have become some of the most important sources for lighting,televisual displays,and for other applications[1].展开更多
文摘Light sources,especially white light sources,are indispensable and their development is strongly correlated with the progress of our technology-based society.White light sources have evolved from the primitive flame-based devices of 600,000 years ago to the current LED and electroluminescence devices,and continue to illuminate human activities and technological achievements.The 2014 Nobel Prize in Physics was awarded to Professor Shuji Nakamura et al.for their outstanding contributions in the invention of blue light emitting diodes and white light emitting diodes(WLED),which have become some of the most important sources for lighting,televisual displays,and for other applications[1].