Title :
Roadblocks to high efficiency solid-state lighting: Bridging the “green-yellow gap”
Author :
Crawford, M.H. ; Koleske, Daniel D. ; Lee, S.R. ; Tsao, J.Y. ; Armstrong, A.M. ; Wang, G.T. ; Fischer, A.J. ; Wierer, J.J. ; Coltrin, M.E. ; Shea-Rohwer, L.E.
Author_Institution :
Sandia Nat. Labs., Albuquerque, NM, USA
Abstract :
Lighting applications are presently limited by the lack of efficient LEDs across the visible spectrum. We review materials challenges that underlie the ldquogreen-yellow gaprdquo in LED efficiency and describe emerging approaches for bridging that gap.
Keywords :
III-V semiconductors; gallium compounds; indium compounds; light emitting diodes; lighting; phosphors; wide band gap semiconductors; InGaN; LED efficiency; green-yellow gap; high-efficiency solid-state lighting; phosphor material; visible spectrum; III-V semiconductor materials; Indium; LED lamps; Laboratories; Light emitting diodes; Nanostructured materials; Optical materials; Phosphors; Semiconductor materials; Solid state lighting; (160.6000) Semiconductor materials; (230.3670) Light-emitting diodes;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
