Solid state lighting-recent progress in research of white light emitting diodesXU Shi-qing, JIN Shang-zhong, WANG Bawling, ZHANG Li-yan, ZHAO Shi-long, LI Chen-xia College of Information Engineering, China Jiliang University, Hangzhou 310018, ChinaAbstract:The history of light sources is briefly reviewed at first in this paper, then the fundamental principle and scheme for realizing white light emitting diodes is introduced. The development of solid state lighting at home and abroad was analyzed, and the existing problems of white light emitting diodes are pointed out. Finally, the outlook of the development of white light emitting diodes is brought forward.[著者文摘]
Key words:solid state lighting; white light emitting diodes;recent progress