Wavelength-converting casting composition and white light-emitting semiconductor component
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United States of America Patent
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Jul 15, 2003
Grant Date -
Oct 11, 2001
app pub date -
Apr 25, 2001
filing date -
Sep 20, 1996
priority date (Note) -
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Abstract
The wavelength-converting casting composition is based on a transparent epoxy casting resin with a luminous substance admixed. The composition is used in an electroluminescent component having a body that emits ultraviolet, blue or green light. An inorganic luminous substance pigment powder with luminous substance pigments is dispersed in the transparent epoxy casting resin. The luminous substance is a powder of Ce-doped phosphors and the luminous substance pigments have particle sizes .ltoreq.20 .mu.m and a mean grain diameter d.sub.50.ltoreq.5 .mu.m.
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