| CPC C09K 11/02 (2013.01) [C08K 3/38 (2013.01); C08K 7/00 (2013.01); C09K 11/06 (2013.01); G01T 3/06 (2013.01); C08K 2003/385 (2013.01); C08K 2201/011 (2013.01)] | 20 Claims |

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1. A composite material comprising:
a matrix comprising a phosphor; and
particles of boron nitride dispersed in the matrix;
wherein the particles of boron nitride comprise boron nitride nanotubes.
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