Provided are a composition including a coloring agent having a structure represented by Formula (1), an organic solvent, and a curable compound, in which a solubility of the coloring agent having a structure represented by Formula (1) in propylene glycol methyl ether acetate at 25° C. is 100 mg/L or less; a compound having a structure represented by Formula (4-1); a film formed of the composition; a near-infrared cut filter; a pattern forming method; a laminate; a solid-state imaging element; an infrared sensor; an image display device; a camera module; and a novel compound.

(Dye).sub.n-L.sup.1  (1)

In Formula (1), L.sup.1 represents an n-valent linking group, n represents an integer of 2 to 10, where in a case where n is 2, L.sup.1 may be a single bond, and Dye's each independently represent a coloring agent structure having a maximal absorption wavelength in a wavelength range of 650 nm to 2,000 nm.

The present disclosure provides encoded chromophoric polymer particles that are capable of, for example, optical and/or biomolecular encoding of analytes. The present disclosure also provides suspensions comprising a plurality of encoded chromophoric polymer particles. The present disclosure also provides methods of using the encoded chromophoric polymer particles and systems for performing multiplex analysis with encoded chromophoric polymer particles.

Provided are a near-infrared absorbing composition including a near-infrared absorbing pigment having an oxocarbon skeleton, a coloring agent derivative, a resin, and a solvent, in which the coloring agent derivative is a compound having a cation and an anion in a molecule, and the near-infrared absorbing composition contains 0.5 to 25 parts by mass of the coloring agent derivative with respect to 100 parts by mass of the near-infrared absorbing pigment; a method for producing a dispersion liquid; a film; an optical filter; a method for forming a pattern; a laminate; a solid-state imaging element; an image display device; and an infrared sensor.

A composition for a near-infrared light-absorbing film includes a binder, a compound represented by Chemical Formula 1, and a compound represented by Chemical Formula 2, wherein a total amount of the compound represented by Chemical Formula 1 and the compound represented by Chemical Formula 2 ranges from about 2.0 parts by weight to about 2.6 parts by weight based on 100 parts by weight of the binder. A near-infrared light-absorbing film may include a near-infrared light-absorbing layer including a cured product of the composition. A camera device may include the near-infrared light-absorbing film, and an electronic device may include the camera device.

There are provided a wavelength selective absorption filter including a resin, and four types of dyes A to D each having a main absorption wavelength range in different specific wavelength regions, in which an absorbance Ab (λ) of the wavelength selective absorption filter at a wavelength λ nm satisfies specific Relational Expressions (I) to (VI), and an organic electroluminescent display device.

An object of the present invention is to provide a colored resin composition comprising a squarylium dye excellent in heat resistance. The colored resin composition according to the present invention is a green colored resin composition comprising a colorant, a resin and a solvent. The colorant contains a squarylium dye, and the content percentage of the resin is 70 mass % or more based on an amount obtained by subtracting the content of the colorant and the solvent from the total amount of the green colored resin composition.

Provided are a core-shell dye includes a core including a compound represented by Chemical Formula 1 and a shell surrounding the core, a photosensitive resin composition including the same, and a color filter manufactured using the photosensitive resin composition. ##STR00001##
(In Chemical Formula 1, each substituent is the same as defined in the specification.)

Disclosed are a near-infrared absorbing film including a polymer film, a first near-infrared absorbing layer and a second near-infrared absorbing layer on the polymer film. The first near-infrared absorbing layer may be configured to transmit light in a visible region and to selectively absorb at least one part of light in a near-infrared region. The second near-infrared absorbing layer may be disposed on a surface of the first near-infrared absorbing layer. The first near-infrared absorbing layer may include a dye represented by Chemical Formula 1. The second near-infrared absorbing layer may include a copper complex compound. An optical filter may include the near-infrared absorbing film. An electronic device may include the optical filter. ##STR00001## In Chemical Formula 1, R.sup.1 to R.sup.12 are described in the detailed description.

Luminescent reporter compounds that are rotaxanes having the structure ##STR00001##
where B—Z—C is a reporter molecule based on a squaraine type molecule, or similar reporter, and K is a macrocycle that encircles and interlocks with the reporter molecule. Applications of the reporter compounds are provided, as well as reactive intermediates used to synthesize the reporter compounds, and methods of synthesizing the reporter compounds.

Provided is a polarizing film with a pressure-sensitive adhesive layer that can contribute to the widening of the color gamut of an image display apparatus, the polarizing film with a pressure-sensitive adhesive layer being suppressed in brightness reduction and being excellent in durability. The polarizing film with a pressure-sensitive adhesive layer of the present invention includes a polarizer and a pressure-sensitive adhesive layer arranged on at least one side of the polarizer. A distance between the polarizer and the pressure-sensitive adhesive layer is 25 μm or less. The pressure-sensitive adhesive layer has an absorption peak in a wavelength band in the range of from 580 nm to 610 nm. The pressure-sensitive adhesive layer contains a compound X represented by the general formula (I) or the general formula (II).