A light generating device configured to generate device light , wherein the light generating device comprises: - a first light source configured to generate one or more of UV and blue first light source light , wherein the first light source is a first laser light source ; - a second light source configured to generated green second light source light , wherein the second light source is a second laser light source ; - a third light source configured to generate red third light source light , wherein the third light source is a third laser light source ; - a fourth light source configured to generate blue fourth light source light , wherein the fourth light source is a fourth laser light source ; - a first luminescent material configured to convert at least part of the first light source light into first luminescent material light having an emission band having wavelengths in one or more of (a) the green spectral wavelength range and (b) the yellow spectral wavelength range, wherein the first luminescent material comprises a luminescent material of the type A 3 B 5 O 12 :Ce, wherein A comprises one or more of Y, La, Gd, Tb and Lu, and wherein B comprises one or more of Al, Ga, In and Sc; - an optical element configured to combine (i) optionally unconverted first light source light , (ii) the second light source light , (iii) the third light source light , (iv) the fourth light source light , and (v) the first luminescent material light , to provide device light , wherein the light generating device is configured to provide in an operational mode white device light comprising at least the luminescent material light and the fourth light source light ; - a control system configured to control one or more of the light sources ; and - wherein the fourth light source is configured to generate the fourth light source light that bypasses the first luminescent material , and wherein one or more of the second light source and the third light source are configured upstream of the first luminescent material . - a first light source configured to generate one or more of UV and blue first light source light , wherein the first light source is a first laser light source ; - a second light source configured to generated green second light source light , wherein the second light source is a second laser light source ; - a third light source configured to generate red third light source light , wherein the third light source is a third laser light source ; - a fourth light source configured to generate blue fourth light source light , wherein the fourth light source is a fourth laser light source ; - a first luminescent material configured to convert at least part of the first light source light into first luminescent material light having an emission band having wavelengths in one or more of (a) the green spectral wavelength range and (b) the yellow spectral wavelength range, wherein the first luminescent material comprises a luminescent material of the type A 3 B 5 O 12 :Ce, wherein A comprises one or more of Y, La, Gd, Tb and Lu, and wherein B comprises one or more of Al, Ga, In and Sc; - an optical element configured to combine (i) optionally unconverted first light source light , (ii) the second light source light , (iii) the third light source light , (iv) the fourth light source light , and (v) the first luminescent material light , to provide device light , wherein the light generating device is configured to provide in an operational mode white device light comprising at least the luminescent material light and the fourth light source light ; - a control system configured to control one or more of the light sources ; and - wherein the fourth light source is configured to generate the fourth light source light that bypasses the first luminescent material , and wherein one or more of the second light source and the third light source are configured upstream of the first luminescent material . <EOS>