Disclosed is a method of reducing a haze value in molding compositions including use of colorants selected from anthraquinone colorants, benzimidazolone colorants and perinone colorants. The molding compositions include at least one polyamide and at least one compound of the general formula (I)

##STR00001##

where x is 1, 2 or 3; R1 and R2 are mutually independently selected from hydrogen, linear C1-C7-alkyl, branched C3-C10-alkyl, unsubstituted or substituted C3-C12-cycloalkyl, unsubstituted or substituted C3-C12-cycloalkyl-C1-C4-alkyl, unsubstituted or substituted aryl and unsubstituted or substituted aryl-C1-C4-alkyl; and Z is selected from C3-C10-alkanediyl, unsubstituted or substituted arylene, unsubstituted or substituted arylene-C1-C4-alkylene-arylene, unsubstituted or substituted heteroarylene, unsubstituted or substituted heteroarylene-C1-C4-alkylene-heteroarylene, unsubstituted or substituted C5-C8-cyclo-alkylene, unsubstituted or substituted C5-C8-cycloalkylene-C1-C4-alkylene-C5-C8-cycloalkylene, unsubstituted or substituted heterocycloalkylene and unsubstituted or substituted heterocycloalkylene-C1-C4-alkylene-heterocycloalkylene.

A pigment composition including at least one pigment selected from the group consisting of a perinone-based pigment and a perylene-based pigment, water, a resin having a constitutional unit represented by Formula 1, and at least one compound selected from the group consisting of a phthalimide compound having a carboxyalkyl group and a naphthalimide compound having a carboxyalkyl group; a method for producing thereof; and an aqueous ink composition using the pigment composition. In Formula 1, R.sup.1 represents a hydrogen atom or a methyl group, L.sup.2 represents C(O)O, OC(O), or C(O)NR.sup.2 and R.sup.2 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and R.sup.3 represents an alkyl group having 6 or more carbon atoms.

##STR00001##

A pigment composition including at least one pigment selected from the group consisting of a perinone-based pigment and a perylene-based pigment, water, a resin having a constitutional unit represented by Formula 1, and at least one compound selected from the group consisting of a phthalimide compound having a carboxyalkyl group and a naphthalimide compound having a carboxyalkyl group; a method for producing thereof; and an aqueous ink composition using the pigment composition. In Formula 1, R.sup.1 represents a hydrogen atom or a methyl group, L.sup.2 represents C(O)O, OC(O), or C(O)NR.sup.2 and R.sup.2 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and R.sup.3 represents an alkyl group having 6 or more carbon atoms.

##STR00001##

The present invention relates to perylene bisimides with rigid 2,2-biphenoxy bridges which are useful in a wide variety of applications and to novel to perylene bisimides with rigid 2,2-biphenoxy bridges. The present invention also relates to the use of said compound(s) in color converters for improving the luminous efficacy of LEDs, to color converters and their use and to lighting devices comprising at least one LED or OLED and at least one color converter. The present invention also relates to a printing ink formulation for security printing comprising at least one perylene bisimide with rigid 2,2-biphenoxy bridges and security documents.

The present invention relates to perylene bisimides with rigid 2,2-biphenoxy bridges which are useful in a wide variety of applications and to novel to perylene bisimides with rigid 2,2-biphenoxy bridges. The present invention also relates to the use of said compound(s) in color converters for improving the luminous efficacy of LEDs, to color converters and their use and to lighting devices comprising at least one LED or OLED and at least one color converter. The present invention also relates to a printing ink formulation for security printing comprising at least one perylene bisimide with rigid 2,2-biphenoxy bridges and security documents.

A non-aqueous ink composition which, even when containing a perinone-based pigment, can be suitably used as a non-aqueous ink composition that is ejected by an inkjet method. The non-aqueous ink composition ejected by an inkjet method contains a pigment, a pigment dispersant, an organic solvent, and a resin, wherein the pigment contains a pigment A represented by formula (1), and the content of the pigment dispersant is smaller than the content of the pigment.

##STR00001##

(In formula (1), X1-X12 each independently represent a hydrogen atom, a halogen atom, an optionally branched alkyl group having 1 to 5 carbon atoms, or an aromatic hydrocarbon group optionally substituted with a hydrogen atom, a cyano group, a nitro group, an amino group, OH, COOH, COOM.sup.+, SO.sub.3H, SO.sub.3.sup.M.sup.+, a phthalimido group in which a hydrogen atom may be substituted, a phthalimidomethyl group, or a heterocyclic compound, and M.sup.+represents a cation.)

A non-aqueous ink composition which, even when containing a perinone-based pigment, can be suitably used as a non-aqueous ink composition that is ejected by an inkjet method. The non-aqueous ink composition ejected by an inkjet method contains a pigment, a pigment dispersant, an organic solvent, and a resin, wherein the pigment contains a pigment A represented by formula (1), and the content of the pigment dispersant is smaller than the content of the pigment.

##STR00001##

(In formula (1), X1-X12 each independently represent a hydrogen atom, a halogen atom, an optionally branched alkyl group having 1 to 5 carbon atoms, or an aromatic hydrocarbon group optionally substituted with a hydrogen atom, a cyano group, a nitro group, an amino group, OH, COOH, COOM.sup.+, SO.sub.3H, SO.sub.3.sup.M.sup.+, a phthalimido group in which a hydrogen atom may be substituted, a phthalimidomethyl group, or a heterocyclic compound, and M.sup.+represents a cation.)

The invention relates to sulfonyl-bridged perinones in the form of compounds of the general formula (I) or isomeric forms thereof

##STR00001## in which R is C.sub.1-C.sub.6-alkyl, halogen, nitro, aryl, aryloxysulfonyl, hydroxy, C.sub.1-C.sub.6-alkoxy, aryloxy, optionally alkyl- or acyl-substituted amino, optionally alkyl- or aryl-substituted aminosulfonyl, or a fused-on cycloaliphatic or heterocyclic radical, to a process for production thereof and to the use thereof for bulk colouring of plastics.

The invention relates to sulfonyl-bridged perinones in the form of compounds of the general formula (I) or isomeric forms thereof

##STR00001## in which R is C.sub.1-C.sub.6-alkyl, halogen, nitro, aryl, aryloxysulfonyl, hydroxy, C.sub.1-C.sub.6-alkoxy, aryloxy, optionally alkyl- or acyl-substituted amino, optionally alkyl- or aryl-substituted aminosulfonyl, or a fused-on cycloaliphatic or heterocyclic radical, to a process for production thereof and to the use thereof for bulk colouring of plastics.

A display device may include a display panel, a touch sensing layer, and a reflection adjustment layer. The touch sensing layer may include a touch insulation layer. The touch insulation layer may include a colorant and may cover a first light-emitting region. The reflection adjustment layer may be disposed on the touch sensing layer. The reflection adjustment layer may include a first adjustment portion which is non-polarized and a second adjustment portion which is polarized. The first adjustment portion may cover the first light-emitting region, and the second adjustment portion may cover a second light-emitting region. The display panel may be configured to emit light of a first wavelength band through the first light-emitting region, and the touch insulation layer may be configured to selectively transmit light of the first wavelength band.