The Energy Department has announced more than $7 million for three innovative lighting projects at companies in California, Michigan and North Carolina that aim to lower the cost of manufacturing high-efficiency solid-state lighting (SSL) technologies like light-emitting diodes (LEDs) and organic light-emitting diodes (OLEDs).

[source: http://www.buildings.com/Article-Details/ArticleID/14187/title/energy-department-accelerates-lighting-initiatives.aspx]