Presenter: Lynn Davis, RTI International

This project is developing and validating a probabilistic reliability prediction tool, and accelerated life testing methodologies, to help lighting manufacturers and stakeholders answer two questions: (1) How can the promised reliability for a rapidly changing technology platform be ensured?, and (2) What will the usage and maintenance profiles be for a product that lasts 15 years? Solid-state lighting (SSL) is described as being highly energy efficient and having a long product lifetime. Testing can verify energy efficiency, but SSL product lifetime is generally not known, and there are no standard test methods. The target audience consists of manufacturers and SSL users that seek to justify higher first costs for SSL products over less efficient lighting technologies. This group annually consumes about 650 terawatt hours of electricity. Adopting SSLs can reduce consumption by about 30%.

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