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Light source comprising a common substrate, a first led device and a second led device

United States Patent

February 23, 2010
View the Complete Patent at the US Patent & Trademark Office
At least one stacked organic or polymeric light emitting diode (PLEDs) devices to comprise a light source is disclosed. At least one of the PLEDs includes a patterned cathode which has regions which transmit light. The patterned cathodes enable light emission from the PLEDs to combine together. The light source may be top or bottom emitting or both.
Choong; Vi-En (Carlsbad, CA)
Osram Opto Semiconductors GmbH (Regensburg, DE)
11/ 356,389
February 15, 2006
GOVERNMENT RIGHTS 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.