HEAD-UP DISPLAY
The invention relates to a head-up display (2) for a motor vehicle (1), comprising an image-generating system (4) and an optical projection system (5) including a common mirror (6) and a folding mirror (7). The image-generating system (40) emits first and second source light beams that pass through...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The invention relates to a head-up display (2) for a motor vehicle (1), comprising an image-generating system (4) and an optical projection system (5) including a common mirror (6) and a folding mirror (7). The image-generating system (40) emits first and second source light beams that pass through an image plane (4). The projection system (5) further includes an element (9) for redirecting beams by diffraction, which is able to deflect the first source light beam downstream of the image plane (4) into a first intermediate beam directed towards the common mirror (6). The folding mirror reflects the second source light beam downstream of the image plane (4) into a second intermediate beam directed towards the common mirror (6). The common mirror (6) intercepts and projects respectively said first intermediate beam and second intermediate beam so as to form a first virtual image (11a) at a first projection distance and a second virtual image (11b) at a second projection distance. |
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