More than 400 solid-state lighting  (SSL) technology leaders from the R&D community, lighting designers, and  architects gathered in San Francisco, CA to participate in the "Transformations  in Lighting" Solid-State Lighting Workshop on February 3-5, 2009. The workshop,  hosted by the U.S. Department of Energy (DOE), was the sixth annual DOE meeting  to accelerate SSL technology advances and guide market introduction of quality  SSL products. The workshop brought together a diverse gathering of participants  from industry, research organizations, universities, national laboratories,  manufacturing, energy efficiency organizations, utilities, and municipalities to  share insights, ideas, and updates on the rapidly evolving SSL market.