A composition includes two or more near infrared absorbing compounds having an absorption maximum in a wavelength range of 650 to 1000 nm and having a solubility of 0.1 mass % or lower in water at 23° C., in which the two or more near infrared absorbing compounds include a first near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm, and a second near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm which is shorter than the absorption maximum of the first near infrared absorbing compound, and a difference between the absorption maximum of the first near infrared absorbing compound and the absorption maximum of the second near infrared absorbing compound is 1 to 150 nm.

The present disclosure relates to a quencher having a quenching effect on a fluorescent material exhibiting luminescence characteristics at an excited energy level, and various uses thereof.

The present invention relates to: a labeling dye having excellent fluorescent intensity and photostability; and a kit.

A squarylium compound has high transmittance in a visible wavelength spectrum of light and is configured to selectively absorb light in an infrared/near infrared wavelength spectrum of light.

The present invention provides a green coloring composition for use in a color filter, which can form a green colored film having low incident-angle dependence and improves the color-separation properties of a solid-state imaging device including the colored film; and a colored film, a color filter, and a solid-state imaging device. The green coloring composition for use in a color filter of the present invention is a green coloring composition for use in a color filter, containing a green colorant, a near-infrared absorbent, and a polymerizable compound, in which when the green coloring composition for use in a color filter is used to form a colored film having a film thickness of 0.8 μm, the maximum value of the transmittance at a wavelength from 400 nm to 450 nm of the colored film is 5% or less, the maximum value of the transmittance at a wavelength from 500 nm to 600 nm of the colored film is 70% or more, the minimum value of the transmittance at a wavelength from 650 nm to less than 700 nm of the colored film is 20% or less, and the minimum value of the transmittance at a wavelength from 700 nm to 900 nm of the colored film is 30% or less.

The present invention provides a green coloring composition for use in a color filter, which can form a green colored film having low incident-angle dependence and improves the color-separation properties of a solid-state imaging device including the colored film; and a colored film, a color filter, and a solid-state imaging device. The green coloring composition for use in a color filter of the present invention is a green coloring composition for use in a color filter, containing a green colorant, a near-infrared absorbent, and a polymerizable compound, in which when the green coloring composition for use in a color filter is used to form a colored film having a film thickness of 0.8 μm, the maximum value of the transmittance at a wavelength from 400 nm to 450 nm of the colored film is 5% or less, the maximum value of the transmittance at a wavelength from 500 nm to 600 nm of the colored film is 70% or more, the minimum value of the transmittance at a wavelength from 650 nm to less than 700 nm of the colored film is 20% or less, and the minimum value of the transmittance at a wavelength from 700 nm to 900 nm of the colored film is 30% or less.

A shrink film comprising a polyethylene-based film having a top surface, a bottom surface, and comprising one or more layers, wherein at least one layer of the polyethylene-based film comprises a low density polyethylene having a density of from 0.917 g/cc to 0.935 g/cc and melt index, I2, of from 0.1 g/10 min to 5 g/10 min, a linear low density polyethylene having a density of from 0.900 g/cc to 0.965 g/cc and melt index, I2, of from 0.05 g/10 min to 15 g/10 min, or combinations thereof, and optionally, a medium density polyethylene, a high density polyethylene, or combinations thereof, and a coating layer disposed on the top surface of the polyethylene-based film, wherein the coating layer comprises an adhesive and a near-infrared absorbent material.

An object of the present invention is to provide a luminescent particle having an emission maximum wavelength in a long wavelength range of 680 nm or longer and exhibiting a high quantum yield; and a compound having an emission maximum wavelength in a long wavelength range of 680 nm or longer and exhibiting a high quantum yield in the particles. According to the present invention, provided is a luminescent particle containing at least one kind of compound represented by Formula (1) (definitions of substituents in the formula are as set forth in the description) and a particle.

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An object of the present invention is to provide a luminescent particle having an emission maximum wavelength in a long wavelength range of 680 nm or longer and exhibiting a high quantum yield; and a compound having an emission maximum wavelength in a long wavelength range of 680 nm or longer and exhibiting a high quantum yield in the particles. According to the present invention, provided is a luminescent particle containing at least one kind of compound represented by Formula (1) (definitions of substituents in the formula are as set forth in the description) and a particle.

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An active material for organic image sensors, where the active material is a squaraine-based active material or a thiophene-based active material. A photoelectric conversion layer containing the active material, which is a squaraine-based active material or a thiophene-based active material. An organic image sensor containing the photoelectric conversion layer containing the active material.