Finding 1: Luminaires and lamps based on LEDs will be able to support the standards for lumen output Congress required to be promulgated by DOE in Section 321 of the Energy Independence and Security Act of 2007.
Finding 2: Cost is the biggest obstacle to the widespread deployment of SSL based on LEDs.
Finding 3: The Bayh-Dole waiver is discouraging some universities and small companies from participating in the DOE program.
Finding 4: On a lifecycle basis, warm and cool white LEDs are already cheaper than incandescent lighting and will likely be comparable to that of fluorescent lighting technologies in the near future.
NOTE: The full text of all findings and recommendations in the report appear in Chapter 7.
Recommendations to the Department of the Department of Energy
Recommendation 1: The Department of Energy should continue to make investments in LED core technology, aimed at increasing yields, and in fundamental emitter research to increase efficacy, including improvements in the controlled growth and performance of the emitter material.
Recommendation 2: The Department of Energy and lamp manufacturers and retailers should work together to ensure that consumers are educated about the characteristics and metrics of these new technology options.
Recommendation 3: The Department of Energy should support research to understand the fundamental nature of efficiency droop at high currents in OLEDs and to seek means to mitigate this effect through materials and device architectural designs.
Recommendation 4: The Department of Energy should focus on efforts that result in significant light outcoupling enhancements for OLED that are low cost to implement and are independent of both wavelength and viewing angle.
Recommendation 5: The Department of Energy SSL program should be maintained and, if possible, increased.
Recommendation 6: The Department of Energy should seek to obtain 50 percent cost sharing for manufacturing R&D projects, as was done with the projects funded by the American Recovery and Reinvestment Act.
Recommendation 7: The committee recommends that the Department of Energy consider ending its waiver of Bayh-Dole for SSL funding.
NOTE: All the findings and recommendations presented in the report are collected in Chapter 7, where the recommendations are double-numbered to indicate the chapter in the main text where they appear in context.
spiral tube compact fluorescent light (CFL) has an efficacy of 63 lm/W. LED lamps have also been developed as dropin replacements for lamps with other form factors, such as 4-foot linear fluorescents, although the total light output is lower.
The second product form is the retrofit luminaire, which is similar to many existing non-SSL products and requires complete removal and replacement of the incumbent luminaire— recessed troffers, high-bay fixtures, track lighting, and pendant lights, for example. Two further applications in which LED-based luminaires have performed well are downlighting,