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Device structure for OLED light device having multi element light extraction and luminescence conversion layer

United States Patent

7,321,193
January 22, 2008
View the Complete Patent at the US Patent & Trademark Office
An apparatus such as a light source has a multi-element light extraction and luminescence conversion layer disposed over a transparent layer of the light source and on the exterior of said light source. The multi-element light extraction and luminescence conversion layer includes a plurality of light extraction elements and a plurality of luminescence conversion elements. The light extraction elements diffuses the light from the light source while luminescence conversion elements absorbs a first spectrum of light from said light source and emits a second spectrum of light.
Antoniadis; Homer (Mountain View, CA), Krummacher; Benjamin Claus (Regensburg, DE)
Osram Opto Semiconductors GmbH (Regensburg, DE)
11/ 345,795
20070159061
February 1, 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.