Projection device composed of a plurality of micro-optical systems, and optical module for automobile headlamps

摘要

The present invention relates to a projection device (2) for an optical module (1) of an automobile headlamp, the projection device being formed of a plurality of micro-optical systems (3) arranged in a matrix form, each micro-optical system (3) Includes one incident micro-optical element 30, one outgoing micro-optical element 31 assigned to the incidence micro-optical element 30, and one micro stop 32, and all incident micro-optical elements 30 forms one incident optical element 4, all outgoing micro-optical elements 31 form one outgoing optical element 5, and the micro apertures 32 form one aperture device 6 And the diaphragm device 6 is disposed in one plane substantially perpendicular to the main radial direction Z of the projection device 2, the incident optical element 4, the exit optical element 5 and the diaphragm The device 6 is arranged on planes substantially parallel to each other, and the entire micro-optical system 3 is divided into at least two micro-optical system groups G1, G2, G3, and each micro-optical system group G1, The micro-apertures 32 of the micro-optical systems 3 of G2, G3) can be clearly mapped through light having at least one light wavelength (λG1, λG2, λG3) in one preset optical wavelength range. In the case of the optical system groups G1, G2, G3, the preset optical wavelength ranges are different from each other.