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OLEDs with phosphors

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
An OLED application such as a light source is disclosed which has OLED elements utilizing an active EL (electro-luminescent) layer comprised of two elements, a host element emitting in a first spectrum and a dopant element emitting in a second spectrum different from the first. The OLED device also has a luminescent material disposed on the substrate or transparent electrode which converts the emission spectrum of light from the active EL layer.
Stegamat, Reza (Milpitas, CA), Antoniadis, Homer (Mountain View, CA)
11/ 028,881
January 4, 2005
GOVERNMENT RIGHTS [0001] This invention was made with Government support under Contract No. DE-FC26-04NT41947 awarded by the Department of Energy. The Government may have certain rights in the invention.