LIGHT EMITTING DEVICE, AND METHOD FOR THE PRODUCTION THEREOF
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United States of America Patent
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Issued Date -
Nov 17, 2011
app pub date -
Aug 28, 2009
filing date -
Sep 4, 2008
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a composition of plastic material that includes from 7 to 20 wt. % inorganic conversion pigments. The pigments include Si, Sr, Ba, Ca and Eu in concentrations of greater than 0 ppm and Al, Co, Fe, Mg, Mo, Na, Ni, Pd, P, Rh, Sb, Ti and Zr in concentrations of less than or equal to 50 ppm
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