Phosphor and flourescent display device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 13, 2004
Grant Date -
May 16, 2002
app pub date -
Sep 18, 2001
filing date -
Sep 19, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A yellow light emission phosphor usable in a fluorescent display device does not include cadmium and Eu concentration in the yellow light emission phosphor is reduced to a range of about 0.001 mol % to about 0.1 mol %. The phosphor on a fluorescent display driven at a low voltage generates a yellow light emission with an excellent chromaticity and has a good life span characteristic.
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