specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts

Full Title

Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers > Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction > specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts