VANADYL PHTHALOCYANINE COMPOUNDS AND NEAR-INFRARED ABSORPTION FILTERS USING SAME
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United States of America Patent
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Issued Date -
Oct 25, 2012
app pub date -
Dec 16, 2010
filing date -
Dec 18, 2009
priority date (Note) -
Abandoned
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Abstract
Novel vanadyl phthalocyanine compound having low light absorptivity in visible wavelength region and having high absorptivity in a long wavelength region (specifically, wavelength of 950 to 1100 nm) of near-infrared wavelength region and a near-infrared absorption filter using the same are disclosed. The vanadyl phthalocyanine compound is represented by Formula 1 in claim 1.
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