present invention micromechanical component 500 is situated in the optical path of light source 400 in such a way that the combined beam strikes micromirror 510 and may be deflected by it for displaying a projector image photodiode 550 is used as a shared detector for the radiant power of all three laser diodes the present invention uses the installation space present in the micromechanical component mems for positioning photodiode 550 in the figure a position of photodiode 550 next to micromirror 510 is schematically depicted scattered light from the primary beam appears in this area fig3 shows a first exemplary embodiment of a micromechanical component according to the present invention including a micromirror and an integrated photodiode a micromechanical component 500 is depicted including a substrate 505 and a cap 540 a micromirror 510 and a chip frame 530 are structured out of substrate 505 according to the present invention a photodiode 550 is integrated into micromechanical component 500 photodiode 550 is also situated on substrate 505 in this exemplary embodiment one mirror face of micromirror 510 is situated on a first substrate side and a cap is situated on a second substrate side the second substrate side being situated opposite the first substrate side i e on the other side of the substrate as seen through the substrate photodiode 550 is situated on the second substrate side in an area covered by cap 540 micromirror 510 and cap 540 are situated inside a shared incidence area for incident light 560 for example in the form of a laser beam photodiode 550 is configured in such a.