Display device with running out-coupling grating

A display device includes an image projector and a pupil-replicating lightguide having an out-coupling grating with configurable dynamic spatial distribution of out-coupling efficiency that may be adjusted depending upon several factors including currently displayed portion of the field of view as w...

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Bibliographische Detailangaben
Hauptverfasser:	LANDIG, RENATE EVA KLEMENTINE, HUANG, YU-GE, MAIMONE, ANDREW, HANCOCK, MATTHEW JAMES, ELABBASI, NAGI HOSNI, OUDERKIRK, ANDREW JOHN, HE, SI-HUI, FENG, XIA-YU, LIAO, CHRISTOPHER YUAN TING, MCELDOWNEY, SCOTT CHARLES, GOLLIER, JACQUES, AMIRSOLAIMANI, BABAK, CALAFIORE, GIUSEPPE, YE, SHENG, PETERSON, JONATHAN ROBERT, SHI, ZHU-JUN, YANG, YANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	A display device includes an image projector and a pupil-replicating lightguide having an out-coupling grating with configurable dynamic spatial distribution of out-coupling efficiency that may be adjusted depending upon several factors including currently displayed portion of the field of view as well as the eye position and orientation at the eyebox of the display device. For scanning display systems, the out-coupling grating may be configured to have a high-efficiency grating area that ''runs'' along the grating in coordination with the scanning to provide a more efficient light utilization in the display device.