%0 Journal Article %A Paul Morgan Pattison %A Monica Hansen %A Jeffrey Y. Tsao %T LED lighting efficacy: Status and directions %J Comptes Rendus. Physique %D 2018 %P 134-145 %V 19 %N 3 %I Elsevier %R 10.1016/j.crhy.2017.10.013 %G en %F CRPHYS_2018__19_3_134_0