Light emitting device for a motor vehicle headlamp

The device has a light-generating assembly including a light source, and reflectors that are arranged to generate a light beam reflected from light rays emitted from the light source. A mask wall (4) is equipped with an edge that is located on a path of the reflected light beam and arranged to form a cut, where the reflectors are arranged to generate another cut. The reflectors are arranged to produce source images in a plane perpendicular to a large axis of an ellipse located at predetermined distance from the light source.