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Patent Number:	7,535,029
Patent Title:	Material system for tailorable white light emission and method for making thereof
Full Text:
Issue Date:	05/19/2009
Patent Application Number:	US patent application 10/836,919
Inventor(s):	Smith, Christine A. (Livermore, CA); Lee, Howard W. H. (Fremont, CA)
Lab/Technology Center:	Lawrence Livermore National Laboratory (LLNL), Livermore, CA
Sponsoring Office:	United States Department of Energy
Contract Number:	W-7405-ENG-48
Assignee:	Lawrence Livermore National Security, LLC (Livermore, CA)
Abstract:	A method of processing a composite material to tailor white light emission of the resulting composite during excitation. The composite material is irradiated with a predetermined power and for a predetermined time period to reduce the size of a plurality of nanocrystals and the number of a plurality of traps in the composite material. By this irradiation process, blue light contribution from the nanocrystals to the white light emission is intensified and red and green light contributions from the traps are decreased.
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