this invention is related to efficient inorganic borophosphate phosphors which can applied in various technical applications such as fluorescent lamps , colored light or white light emitting diodes , and other devices where phosphors are used to convert especially near uv radiation into the visible light . further , this invention is related to light sources comprising the efficient borophosphate phosphor . the inventive phosphor absorbs radiation in a first wavelength range of the electromagnetic spectrum and emits radiation in a second wavelength range of the electromagnetic spectrum . this phosphor is a borophosphate activated with divalent rare earth metal ions .