Infrared cut filter, imaging device, and method for producing infrared cut filter

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United States of America Patent

PATENT NO 10830931
APP PUB NO 20180003872A1
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)

  • NIPPON SHEET GLASS COMPANY LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kubo, Yuichiro Tokyo, JP 22 51
Shimmo, Katsuhide Kanagawa, JP 42 260

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