DISPLAY DEVICE AND HEAD-UP DISPLAY

The present invention displays multiple images at different locations in the depth direction, while suppressing a decline in the resolution of each image, using projected light emitted from a single projector. A projector 20 emits first projection light L1 and first projection light L1 that have a f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SATO, Megumi, MOROHASHI, Kazuo
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY INSTRUMENTATION OR DASHBOARDS FOR VEHICLES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	The present invention displays multiple images at different locations in the depth direction, while suppressing a decline in the resolution of each image, using projected light emitted from a single projector. A projector 20 emits first projection light L1 and first projection light L1 that have a first projection distance P1. The projection distance P of the second projection light L2 is shortened to a second projection distance P2 that is shorter than the initial first projection distance P1, by positioning a projection distance shortening unit 25 having a positive refractive power along the path of the second projection light L2 between the projector 20 and a second screen 24. Furthermore, no optical members having a negative refractive power are positioned along the optical path of the first projection light L1 from the projector 20 to a first screen 23 on the projector 20 side relative to the second screen 24.