HEAD MOUNTED PROJECTION DISPLAY WITH MULTILAYER BEAM SPLITTER AND COLOR CORRECTION

HEAD MOUNTED PROJECTION DISPLAY WITH MULTILAYER BEAM SPLITTER AND COLOR CORRECTION

A head mounted projection display includes a polarizing beam splitter stack that includes a waveplate. The polarizing beam splitter stack reduces optical losses and has a low forward extension. The polarizing beam splitter may be used at a 45 degree angle or at a non 45 degree angle relative to the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CLEMENTS, Ken, COONS, Evan, RONG, Wei, ELLSWORTH, Jeri, J
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:A head mounted projection display includes a polarizing beam splitter stack that includes a waveplate. The polarizing beam splitter stack reduces optical losses and has a low forward extension. The polarizing beam splitter may be used at a 45 degree angle or at a non 45 degree angle relative to the line of view. A correction may be also be performed to the intensity of individual pixels to account for chromatic non-uniformity in the optical response of a retroreflector and other optical components.