Nippon Kayaku Kabushiki Kaisha

Tatsuya Aotake

Yuichi Sadamitsu

Hidenori Yakushiji

Shoji Shinamura

Toshifumi Inouchi

Masahiro Abe

Tatsuya Yamamoto

Yuta Hashimoto

Kentaro Maeda

An organic compound represented by general formula (1) is a novel organic compound having an absorption band in the near infrared region, and is useful for infrared absorbing dyes, optical films, and organic electronic devices such as photoelectric conversion elements, wherein Rto Reach independently represent a hydrogen atom, an aryl group, a heteroaryl group, an alkyl group, a cycloalkyl group, a halogen atom, a hydroxy group, an alkoxy group, a mercapto group, an alkylthio group, a nitro group, a substituted amino group, an amide group, an acyl group, a carboxyl group, an acyloxy group, a cyano group, a sulfo group, a sulfamoyl group, an alkylsulfamoyl group, a carbamoyl group, or an alkylcarbamoyl group; and X represents a substituted or unsubstituted methine group, a silylidyne group, a germylidyne group, a stannylidyne group, a nitrogen atom, a phosphorus atom, an arsenic atom, or an antimony atom. 

Organic compound, near infrared absorbing dye, photoelectric conversion element, light sensor thereof, and imaging element

A dibenzopyrromethene boron chelate compound is represented by the following formula (1): 

Dibenzopyrromethene boron chelate compound, near-infrared light absorbing material, thin film and organic electronics device

A compound is represented by the formula, Rto Rare each a hydrogen atom, aliphatic hydrocarbon group, aromatic group, heterocyclic group, a halogen atom, or the like. One of Xto Xis a sulfur atom, and the remaining two are carbon atoms having one R. One of Xto Xis a sulfur atom, and the other two are carbon atoms having one R. Ris a hydrogen atom, aliphatic hydrocarbon group, aromatic group, heterocyclic group, a halogen atom, or the like. When Xand Xare each RC, Xand Xare each RC, Xand Xare each RC, or Xand Xare each RC, the adjacent Rs may be bounded to each other to form a cyclic structure.

Dibenzopyrromethene boron chelate compound, near-infrared light-absorbing material, thin-film, and organic electronic device

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Tokyo, Japan

Tatsuya Aotake