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Extraction film for optical waveguide and method of producing same

United States Patent

9,651,740
May 16, 2017
View the Complete Patent at the US Patent & Trademark Office
An optical waveguide includes a waveguide body and a film disposed on a surface of the waveguide body. The film includes a base and a plurality of undercut light extraction elements disposed between the base and the surface.
Tarsa; Eric J. (Goleta, CA), Durkee; John W. (Raleigh, NC)
Cree, Inc. (Durham, NC)
14/ 471,991
20150192742
August 28, 2014
REFERENCE REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under contract DE-EE0006264 awarded by the U.S. Department of Energy. The government has certain rights in the invention.