Konica Minolta, Inc.

Natsumi Itamoto

Koji Daifuku

Yosuke Mizutani

Kenji Hayashi

Takahiko Nojima

Kiyoshi Fukusaka

Issei Nakahara

Yutaro Horie

Keigo Tamaki

Provided is a near-infrared absorbing composition comprising a near-infrared absorber and a solvent, wherein the near-infrared absorber contains at least one of the following component (A) or component (B), Component (A): a component composed of a phosphonic acid compound represented by the following Formula (I), two or more kinds of phosphoric acid ester compounds or sulfonic acid ester compounds having different structures, and copper ions; and Component (B): a component composed of a copper complex obtained by a reaction of a phosphonic acid compound represented by the following Formula (I), two or more kinds of phosphoric acid ester compounds or sulfonic acid ester compounds having different structures, and a copper compound, in Formula (I), Rrepresents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or a fluorinated alkyl group having 1 to 20 carbon atoms.

Near-infrared-absorbing composition, near-infrared-absorbing film, and image sensor for solid-state imaging element

Disclosed is a near-infrared absorbing composition, including: a near-infrared absorbing agent; and a solvent, wherein the near-infrared absorbing agent includes at least one of the following Component (A) and Component (B):

Near-infrared absorbing composition, near-infrared absorbing film, and image sensor for solid-state imaging element

Provided is a near-infrared ray absorbing composition containing at least a near-infrared absorber, a metal compound, and a solvent, wherein the near-infrared absorber contains a metal ion, and the metal compound is a compound having a structure represented by the following Formula (I), Formula (II), or Formula (III),M(OR)&#x2003;&#x2003;Formula (I):M(O&#x2550;R&#x2014;O)&#x2003;&#x2003;Formula (II):(OR)M(OCOR),&#x2003;&#x2003;Formula (III):

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Hino, Japan

Natsumi Itamoto