LARGE-FIELD-OF-VIEW WAVEGUIDE SUPPORTING RED, GREEN, AND BLUE IN ONE PLATE

LARGE-FIELD-OF-VIEW WAVEGUIDE SUPPORTING RED, GREEN, AND BLUE IN ONE PLATE

An optical device includes a single waveguide plate. The single waveguide plate includes a first DOE including an in-coupling element having at least two periods and orientations. The optical device further includes a second DOE optically coupled to the first DOE. The second DOE includes a plurality...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: TERVO, Jani Kari Tapio
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:An optical device includes a single waveguide plate. The single waveguide plate includes a first DOE including an in-coupling element having at least two periods and orientations. The optical device further includes a second DOE optically coupled to the first DOE. The second DOE includes a plurality of expansion gratings. At least one of the expansion gratings includes a plurality of wings. The optical device includes a third DOE optically coupled to the second DOE. The third DOE includes an out-coupling grating having at least two periods and orientations.