INFRARED CUT FILTER, IMAGING DEVICE, AND METHOD FOR PRODUCING INFRARED CUT FILTER

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United States of America Patent

SERIAL NO

15542017

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The infrared cut filter of the present invention includes an organic dye-containing layer and a copper phosphonate-containing layer containing fine particles of copper phosphonate. The organic dye-containing layer contains an organic dye so as to have a spectral transmittance that decreases from 70% or more to 50% or less with increasing wavelength in a wavelength range between a wavelength 50 nm shorter than a cut-off wavelength of the infrared cut filter and a wavelength 50 nm longer than the cut-off wavelength of the infrared cut filter.

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Patent Owner(s)

Patent OwnerAddress
NIPPON SHEET GLASS COMPANY LIMITED5-27 MITA 3-CHOME MINATO-KU TOKYO 108-6321

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
KUBO, Yuichiro Tokyo, JP 9 1
SHIMMO, Katsuhide Kanagawa, JP 30 152

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