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Title: LED lighting efficacy: Status and directions


Abstract not provided.

 [1];  [2];  [3]
  1. Dept. of Energy (DOE), Washington, DC (United States). Solid State Lighting Program; SSLS, Inc., Johnson City, TN (United States)
  2. Dept. of Energy (DOE), Washington, DC (United States). Solid State Lighting Program; LED Lighting Advisors, Santa Barbara, CA (United States)
  3. Dept. of Energy (DOE), Washington, DC (United States). Solid State Lighting Program; Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Building Technologies Program (EE-2J); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
Alternate Identifier(s):
OSTI ID: 1465180; OSTI ID: 1548856
Report Number(s):
SAND-2017-9595J; SAND-2018-7339J
Journal ID: ISSN 1631-0705; PII: S1631070517300932
Grant/Contract Number:  
AC04-94AL85000; FE0025912; M615001899; NA0003525
Resource Type:
Accepted Manuscript
Journal Name:
Comptes Rendus. Physique
Additional Journal Information:
Journal Volume: 19; Journal Issue: 3; Journal ID: ISSN 1631-0705
Country of Publication:
United States
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; Light-emitting diodes; Solid-state lighting; Energy efficiency

Citation Formats

Pattison, Paul Morgan, Hansen, Monica, and Tsao, Jeffrey Y. LED lighting efficacy: Status and directions. United States: N. p., 2017. Web. doi:10.1016/j.crhy.2017.10.013.
Pattison, Paul Morgan, Hansen, Monica, & Tsao, Jeffrey Y. LED lighting efficacy: Status and directions. United States.
Pattison, Paul Morgan, Hansen, Monica, and Tsao, Jeffrey Y. Thu . "LED lighting efficacy: Status and directions". United States.
title = {LED lighting efficacy: Status and directions},
author = {Pattison, Paul Morgan and Hansen, Monica and Tsao, Jeffrey Y.},
abstractNote = {Abstract not provided.},
doi = {10.1016/j.crhy.2017.10.013},
journal = {Comptes Rendus. Physique},
number = 3,
volume = 19,
place = {United States},
year = {2017},
month = {12}

Journal Article:

Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

Figures / Tables:

Table 1 Table 1: Comparison between luminous efficacies of (top) best in class LED products and (bottom) conventional lighting products. * The 90th percentile of either ENERGY STAR®-qualified products (for LED A19, PAR38, and 6" downlight) or DesignLights Consortium-qualified products (for LED tube, troffer, high/)ow-bay, and streetlight) was used to characterize themore » efficacy of "top-performine products, and then average prices were found for products at this efficacy point. † For non-SSL technologies, the lifetime values mark the end of life due to product failure. Because LEDs undergo gradual lumen depreciation in addition to catastrophic failure, L70 values, the time at which products produce 70% of initial light level, are used as the useful lifetime of the LED products.3 + Includes ballast losses« less

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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.