Assessment of Advanced Solid-State Lighting (2013) / Chapter Skim
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7 Findings and Recommendations
7 Findings and Recommendations
Pages 106-112
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From page 106... ...
on any one type of household energy use. RECOMMENDATION 2-3b: As part of the next man FINDING: Improvements in energy efficiency of light dated study of the Department of Energy Solid State Lighting ing products have been brought about by a combination of program in 2015, an external review should be conducted legislation, regulation, RD&D funding, consensus standards, to provide recommendations on the relative proportions of industry programs and initiatives, incentive programs, and funding that should be dedicated to core technology, product market forces.
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From page 107... ...
linked to further fundamental investigations in core technol ogy on emitter materials. FINDING: Non-regulatory incentive programs may play an important role in the adoption of energy efficient lighting FINDING: Current LED dies used in SSL lighting suffer technologies.
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From page 108... ...
The diameter. low-cost fabrication of large area OLED lighting sources requires a high degree of fabrication competency that can RECOMMENDATION 3-3: The Department of Energy ensure package hermiticity along the entire large package should fund research to develop instrumentation for in situ periphery and scavenge excess water and oxygen that might monitoring and dynamic control of the metal organic chemi- have been enclosed during the package manufacture.
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From page 109... ...
CHAPTER 4 FINDING: This is potentially the single most important FINDING: While the majority of LED products in the metric to meet in OLED lighting. It requires simplification marketplace have better luminous efficacy than traditional of device structure, use of ultralow-cost substrates such as lighting technologies, for many of them, other quality factors, metal foils, development of replacements for costly transpar- such as useful life, color appearance and rendering properent anodes (current technology is indium tin oxide)
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From page 110... ...
binning standard to ensure imperceptible color differences between two adjacent light sources. FINDING: New dimmers must be able to operate LED luminaires and lamps smoothly without perceptible flicker FINDING: There are existing standards for THD and and should be available to dim from 100 percent power to PF for electronic ballasts for linear fluorescent lamps, but 1 percent power.
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From page 111... ...
Administration should collect data on energy demand for lighting through the Residential Energy Consumption Sur RECOMMENDATION 6-1: The Department of Energy vey, the Commercial Energy Consumption Survey, and the should concentrate its funding on light-emitting diode core Manufacturing Energy Consumption Survey. These efforts technology and fundamental emitter research that have the need to be pursued on a consistent basis and should conpotential to lower costs of solid-state lighting products.
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From page 112... ...
For applications where the daily usage is larger than 10h/day, cool white LEDs have now a similar RECOMMENDATION 6-8: The Office of Management consumer cost to CFLs or T12. and Budget should develop criteria for determining life-cycle costs and for including social costs in evaluating energy FINDING: As discussed in this chapter and in previous purchases and incorporating this methodology into agency chapters, demonstration, outreach, and public and industry procurements.
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