The present invention relates generally to the field of organic chemistry and particularly to the organic compound for organic photovoltaic devices. More specifically, the present invention is related to the organic compounds and the organic photovoltaic devices based on these compounds. In one preferred embodiment, this organic compound has the general structural formula

##STR00001##

where Het.sub.1 is a predominantly planar polycyclic molecular system of first type; Het.sub.2 is a predominantly planar polycyclic molecular system of second type; A is a bridging group providing a lateral bond of the molecular system Het.sub.1 with the molecular system Het.sub.2 via strong chemical bonds; n is 1, 2, 3, 4, 5, 6, 7 or 8; B1 and B2 are binding groups; i is 0, 1, 2, 3, 4, 5, 6, 7 or 8; j is 0, 1, 2, 3, 4, 5, 6, 7 or 8; S1 and S2 are groups providing solubility of the organic compound; k is 0, 1, 2, 3, 4, 5, 6, 7 or 8; m is 0, 1, 2, 3, 4, 5, 6, 7 or 8; D1 and D2 are substituents independently selected from a list comprising CH.sub.3, C.sub.2H.sub.5, NO.sub.2, Cl, Br, F, CF.sub.3, CN, OH, OCH.sub.3, OC.sub.2H.sub.5, OCOCH.sub.3, OCN, SCNNH.sub.2, NHCOCH.sub.3, C.sub.2Si(CH.sub.3).sub.3, and CONH.sub.2; y is 0, 1, 2, 3, 4, 5, 6, 7 or 8; and z is 0, 1, 2, 3, 4, 5, 6, 7 or 8. Said organic compound absorbs electromagnetic radiation in at least one predetermined spectral subrange within a wavelength range from 400 to 3000 nm and is capable to form supramolecules. The molecular system Het.sub.1, the bridging group A, and the molecular system Het.sub.2 are capable to form a donor-bridge-acceptor system providing dissociation of excited electron-hole pairs. A solution of the organic compound or its salt is capable of forming a solid photovoltaic layer on a substrate.

The coloring composition includes a curable compound and a colorant represented by (D-L.sup.1-YX).sub.nR.sup.1(R.sup.2).sub.m; R.sup.1 represents a (m+n)-valent linking group, X represents C(O)O, Y represents an alkylene group, L.sup.1 represents a single bond or a divalent linking group, D represents a colorant structure. R.sup.2 represents a monovalent substituent, m represents an integer of 1 to 13, n represents an integer of 2 to 14, m+n represents an integer of 3 to 15, L.sup.1 (in a case where L.sup.1 represents a single bond, D) and X are separated by Y by a distance of three or more carbon atoms, and at least one of D, L.sup.1, R.sup.1, R.sup.2, X, or Y has an acid group.

Provided are a colored composition which enables the formation of a pattern having excellent heat resistance and excellent solubility in solvents and has inhibited color migration; and a cured film, a color filter, a method for producing a color filter, a solid-state image sensor, and an image display device, each of which uses the colored composition. The colored composition includes a polymer anion having a repeating unit containing a weakly nucleophilic anionic structure, and a dye having a cationic structure, in which the weakly nucleophilic anionic structure represents an anionic structure produced by dissociating an organic acid having a lower pKa value than the pKa value of sulfuric acid.

Provided is a pigment multimer whereby a pattern can be appropriately formed during formation of a pattern. Further, provided are a coloring composition using the pigment multimer; and a cured film, a color filter, a method for manufacturing a color filter, a solid-state imaging element, and an image display device, each of which uses the coloring composition. The pigment multimer (A) has a non-nucleophilic counter anion.

Described herein are polymeric fluorophores that include a dye, a polymer, and optionally a bioconjugate group. A polymeric fluorophore may have a structure represented by: A-B-C or C-A-B, wherein A is a dye; B is a polymer comprising one or more hydrophobic unit(s) and one or more hydrophilic unit(s); and optionally C, wherein C, when present, comprises a bioconjugate group. Also described herein are compositions comprising the polymeric fluorophores and methods of preparing and using the same.

A coloring composition having excellent light fastness, color migration properties, and flatness, a colorant, and a method for producing a colorant are provided. Further, a cured film, a color filter, a method for manufacturing a color filter, a solid-state imaging device, an image display device, and an organic electroluminescent element, each using such the coloring composition, are also provided. The coloring composition contains a colorant represented by General Formula (1) and a curable compound, and has a specific absorbance of 5 or more at a maximum absorption wavelength of 400 nm to 800 nm. R.sup.1 represents an (m+n)-valent linking group, P represents a monovalent substituent having a repeating units derived from a vinyl compound, D represents a colorant structure, and R.sup.2 and L.sup.1 each independently represent a single bond or a divalent linking group.

(D-R.sup.2).sub.nR.sup.1-(L.sup.1-P).sub.m(1)

The present invention relates to naphthalocyanine and phthalocyanine chromophores of formula (I), their use as almost colourless IR absorbers, for optical filter applications, especially for plasma display panels, or for laser welding of plastics. The compounds may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and are particularly well-suited for security applications. ##STR00001##

A polymerizable phthalocyanine compound having the formula (I) or a PSMA-targeted phthalocyanine compound conjugate thereof having the formula (V).