| 摘要 |
The invention is directed to a projection unit for a head-up display comprising an image generator and a first mirror and second mirror for optical imaging which are arranged in a housing one after the other in the light propagation direction in such a way that the beam path is folded twice. It is wherein one of the mirrors has a light-scattering surface shape, the other mirror h/as a light-collecting surface shape, and the two mirrors combined have a common focal point on the image generator.
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