Cathode ray tube
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 12, 2002
Grant Date -
N/A
app pub date -
May 25, 2000
filing date -
May 31, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A CRT has an improved contrast with a provision of a filter layer where nano-sized metal particles are dispersed in a dielectric matrix to selectively absorb light in predetermined wavelengths, specifically wavelengths between peak wavelengths of primary colors emitted by phosphors coated on the inner surface of the face plate. The improved contrast is a result of the metal particles in a dielectric matrix resonating with particular wavelengths and thus absorbing them.
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