$Diffractive waveguide and eyepiece having image multiplying grating overlapping with outcoupling grating$

Diffractive waveguide and eyepiece having image multiplying grating overlapping with outcoupling grating

An eyepiece and waveguide for viewing a projected image in a virtual reality and augmented reality imaging and visualization system. The waveguide may include a substrate for guiding light. The waveguide may also include an incoupling diffractive element disposed within or on the substrate and confi...

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Bibliographische Detailangaben
Hauptverfasser:	Bhargava, Samarth, Jurbergs, David, Kleinman, David, Liu, Victor K
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION BLASTING CALCULATING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS COMPUTING CONTACT LENSES COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MECHANICAL ENGINEERING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRINTED CIRCUITS SEALS SPECTACLES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES WEAPONS
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Beschreibung
Zusammenfassung:	An eyepiece and waveguide for viewing a projected image in a virtual reality and augmented reality imaging and visualization system. The waveguide may include a substrate for guiding light. The waveguide may also include an incoupling diffractive element disposed within or on the substrate and configured to diffract an incoupled light related to the projected image into the substrate. The waveguide may further include a first grating disposed within or on the substrate and configured to manipulate the diffracted incoupled light from the incoupling diffractive element so as to multiply the projected image and to direct the multiplied projected image to a second grating. The second grating may be disposed within or on the substrate and may be configured to outcouple the manipulated diffracted incoupled light from the waveguide. The first grating and the second grating may occupy a same region of the waveguide.