NEAR-INFRARED ABSORBING COMPOSITION, NEAR-INFRARED ABSORBING FILM AND IMAGE SENSOR FOR SOLID-STATE IMAGING ELEMENTS

WIPO Patent Application WO/2019/244589

A1

The present invention addresses the problem of providing: a near-infrared absorbing composition which exhibits excellent absorption characteristics in the near-infrared region, while having high dispersibility and high visible light transmittance; and a near-infrared absorbing film and an image sensor for solid-state imaging elements, each of which uses this near-infrared absorbing composition. A near-infrared absorbing composition according to the present invention contains a near-infrared absorbent and a solvent, and is characterized by containing, as the near-infrared absorbent, a compound that contains the component (A) and the component (B) described below, while having a structure represented by formula (I) in an amount within the range of 0.001-10% by mass. Component (A): a component that is composed of a compound represented by general formula (1) or general formula (2), a compound represented by formula (I) and a copper ion Component (B): a component that is composed of a compound represented by general formula (1) or general formula (2), a compound represented by formula (I) and a copper complex Formula (I): O=P-(OH)3

JP4929842	ND filter and manufacturing method of ND filter
JP5052716	Infrared filter
JP2000056115	OPTICAL FILM FILTER AND PLASMA DISPLAY DEVICE

ITAMOTO NATSUMI (JP)
DAIFUKU KOJI (JP)
MIZUTANI YOSUKE (JP)
TAMAKI KEIGO (JP)
HORIE YUTARO (JP)
HAYASHI KENJI (JP)
NAKAHARA ISSEI (JP)
NOJIMA TAKAHIKO (JP)
FUKUSAKA KIYOSHI (JP)

PCT/JP2019/021317

December 26, 2019

May 29, 2019

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KONICA MINOLTA INC (JP)

G02B5/22; C09K3/00; H01L27/146

WO2005111170A1

2005-11-24

JP2003215325A	2003-07-30
JP2014142628A	2014-08-07
JP2011099038A	2011-05-19

KOYO INTERNATIONAL PATENT FIRM (JP)

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