LIGHT GUIDE AND VIRTUAL IMAGE DISPLAY DEVICE

A light guide (50) includes a light-guide member (100) including an incidence portion (101) through which image light emitted from an image display element (10) enters the light-guide member (100); an exit portion (104) through which the image light exits the light-guide member (100) to an outside o...

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Bibliographische Detailangaben
Hauptverfasser:	TOKITA, Toshiaki, NAKAMURA, Naoki, OHSUGI, Shiori, KUBOTA, Takashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	A light guide (50) includes a light-guide member (100) including an incidence portion (101) through which image light emitted from an image display element (10) enters the light-guide member (100); an exit portion (104) through which the image light exits the light-guide member (100) to an outside of the light-guide member (100); a retroreflection portion (106) to reverse a direction of travel of the image light guided through the light-guide member (100); and an extraction portion (103) to guide the image light reversed by the retroreflection portion (106) to the exit portion (104). The retroreflection portion (106) has a plurality of surfaces.