An optical assembly for use with a light projection system for generating an image with three primary colors blue, green and red, respectively defined by a first, second and third waveband, the light projection system having - a blue laser source emitting a first blue laser beam of the first waveband and a second blue laser beam having a central wavelength and a waveband, in the range 380 to 495 nm, said blue laser source having a first laser driver, - a means for splitting said first blue laser beam and said second blue laser beam, and - an imaging module , said light optical assembly comprising: - a substrate being positioned in an optical path of the second blue laser beam and being adapted to receive the second blue laser beam, the substrate comprising a wavelength conversion element for emitting light at a plurality of wavelengths after absorption of a light beam at an excitation wavelength within the waveband of the second blue laser beam, light transmitted through or reflected from the wavelength conversion element resulting in emission of a converted beam having a light spectrum comprising at least the second and third wavebands, - a beam combiner being positioned and adapted for combining the first blue laser beam and the converted beam, which combination results in a white beam , comprising at least the first, second and third wavebands, for providing to the imaging module , the optical assembly further comprising: a static waveband reduction filter provided in the optical path of the white beam , the static waveband reduction filter filtering in the second waveband of the white beam to set a white point of the light projection system; and a yellow notch filter arranged to be placed in the optical path of the white beam to form a modified white beam , wherein the yellow notch filter reduces light intensity of wavelengths in the waveband 570-600 nm. - a means for splitting said first blue laser beam and said second blue laser beam, and - an imaging module , - a substrate being positioned in an optical path of the second blue laser beam and being adapted to receive the second blue laser beam, the substrate comprising a wavelength conversion element for emitting light at a plurality of wavelengths after absorption of a light beam at an excitation wavelength within the waveband of the second blue laser beam, light transmitted through or reflected from the wavelength conversion element resulting in emission of a converted beam having a light spectrum comprising at least the second and third wavebands, - a beam combiner being positioned and adapted for combining the first blue laser beam and the converted beam, which combination results in a white beam , comprising at least the first, second and third wavebands, for providing to the imaging module , a static waveband reduction filter provided in the optical path of the white beam , the static waveband reduction filter filtering in the second waveband of the white beam to set a white point of the light projection system; and a yellow notch filter arranged to be placed in the optical path of the white beam to form a modified white beam , wherein the yellow notch filter reduces light intensity of wavelengths in the waveband 570-600 nm. <EOS>