Use of a thermoplastic fibre composite material, containing: a) at least one thermoplastic moulding compound A as matrix, b) at least one ply of reinforcing fibres B, and c) optionally at least one additive C, wherein the at least one ply of reinforcing fibres B is embedded into the thermoplastic moulding compound A, and wherein the thermoplastic moulding compound A has at least one chemically reactive functionality which reacts with chemical groups on the surface of the reinforcing-fibre component B during the production process of the fibre composite material, for the production of light-transmissive mouldings, films and coatings, characterized in that the thermoplastic moulding compound A functioning as matrix is light-transmissive and the fibre composite material has a light transmissibility for white light, generated by means of a lamp in accordance with DIN EN 12464 having a colour temperature of 5300 to 7000 kelvin, that is at least 20% higher with respect to comparable fibre composite materials with matrices not having any chemically reactive functionality, measured at a layer thickness of 1 mm of the respective fibre composite material, in that the chemically reactive functionality of the thermoplastic moulding compound A is based on components selected from the group consisting of maleic anhydride function, N-phenylmaleimide function and glycidyl (meth)acrylate function, in that the reinforcing fibres B contain, on the surface, one or more of the chemically reactive functionalities from the group consisting of: hydroxy, ester and amino groups, and in that the reinforcing fibres B are embedded as a sheetlike structure in layers into the fibre composite material. a) at least one thermoplastic moulding compound A as matrix, b) at least one ply of reinforcing fibres B, and c) optionally at least one additive C, wherein the at least one ply of reinforcing fibres B is embedded into the thermoplastic moulding compound A, and wherein the thermoplastic moulding compound A has at least one chemically reactive functionality which reacts with chemical groups on the surface of the reinforcing-fibre component B during the production process of the fibre composite material, for the production of light-transmissive mouldings, films and coatings, characterized in that the thermoplastic moulding compound A functioning as matrix is light-transmissive and the fibre composite material has a light transmissibility for white light, generated by means of a lamp in accordance with DIN EN 12464 having a colour temperature of 5300 to 7000 kelvin, that is at least 20% higher with respect to comparable fibre composite materials with matrices not having any chemically reactive functionality, measured at a layer thickness of 1 mm of the respective fibre composite material, in that the chemically reactive functionality of the thermoplastic moulding compound A is based on components selected from the group consisting of maleic anhydride function, N-phenylmaleimide function and glycidyl (meth)acrylate function, in that the reinforcing fibres B contain, on the surface, one or more of the chemically reactive functionalities from the group consisting of: hydroxy, ester and amino groups, and in that the reinforcing fibres B are embedded as a sheetlike structure in layers into the fibre composite material. wherein the at least one ply of reinforcing fibres B is embedded into the thermoplastic moulding compound A, and wherein the thermoplastic moulding compound A has at least one chemically reactive functionality which reacts with chemical groups on the surface of the reinforcing-fibre component B during the production process of the fibre composite material, for the production of light-transmissive mouldings, films and coatings, characterized in that the thermoplastic moulding compound A functioning as matrix is light-transmissive and the fibre composite material has a light transmissibility for white light, generated by means of a lamp in accordance with DIN EN 12464 having a colour temperature of 5300 to 7000 kelvin, that is at least 20% higher with respect to comparable fibre composite materials with matrices not having any chemically reactive functionality, measured at a layer thickness of 1 mm of the respective fibre composite material, in that the chemically reactive functionality of the thermoplastic moulding compound A is based on components selected from the group consisting of maleic anhydride function, N-phenylmaleimide function and glycidyl (meth)acrylate function, in that the reinforcing fibres B contain, on the surface, one or more of the chemically reactive functionalities from the group consisting of: hydroxy, ester and amino groups, and in that the reinforcing fibres B are embedded as a sheetlike structure in layers into the fibre composite material.