期刊
LASER & PHOTONICS REVIEWS
卷 1, 期 4, 页码 307-333出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/lpor.200710019
关键词
solid-state lighting; light-emitting diodes; lighting; energy efficiency; color mixing; semiconductor optoelectronics; phosphors; nanoscience
Solid-state lighting is a rapidly evolving, emerging technology whose efficiency of conversion of electricity to visible white light is likely to approach 50% within the next several years. This efficiency is significantly higher than that of traditional lighting technologies, giving solid-state lighting the potential to enable significant reduction in the rate of world energy consumption. Further, there is no fundamental physical reason why efficiencies well beyond 50% could not be achieved, which could enable even more significant reduction in world energy usage. In this article, we discuss in some detail: (a) the several approaches to inorganic solid-state lighting that could conceivably achieve ultra-high, 70% or greater, efficiency, and (b) the significant research questions and challenges that would need to be addressed if one or more of these approaches were to be realized.
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