Virtual and augmented reality systems and methods
AssigneeMagic Leap, Inc.
InventorBrian T. Schowengerdt
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Abstract
A method for displaying virtual content to a user, the method includes determining an accommodation of the user's eyes. The method also includes delivering, through a first waveguide of a stack of waveguides, light rays having a first wavefront curvature based at least in part on the determined accommodation, wherein the first wavefront curvature corresponds to a focal distance of the determined accommodation. The method further includes delivering, through a second waveguide of the stack of waveguides, light rays having a second wavefront curvature, the second wavefront curvature associated with a predetermined margin of the focal distance of the determined accommodation.
Claims15
A system for displaying virtual content to a user, comprising:
- an image generating source to provide one or more frames of image data;
- a display assembly to project light rays associated with the one or more frames of image data, the display assembly comprising a first display element corresponding to a first frame-rate and a first bit depth, a second display element corresponding to a second frame-rate and a second bit depth, and a variable focus element (VFE) configurable to vary a focus of the projected light and transmit the projected light;
- a stack of two or more spatial light modulators (SLMs) positioned such that the stack delivers light associated with the one or more frames of image data to the user, wherein the SLM spatially attenuates light from an outside environment;
- a processor to control the stack of SLMs in a manner such that an angle at which light beams pass through one or more cells of the SLM is modulated;
- and
- an occluder comprising at least one optical component, the at least one optical component comprising a one-pinholed layer or cylindrical lenses and wherein the processor controls the at least one optical component of the occluder to produce a darkfield representation of a dark virtual object,
- wherein the stack of SLMs comprises an array of cholesteric liquid crystal displays (LCDs).
A system for displaying virtual content to a user, comprising:
- an image generating source to provide one or more frames of image data;
- a display assembly to project light rays associated with the one or more frames of image data, the display assembly comprising a first display element corresponding to a first frame-rate and a first bit depth, a second display element corresponding to a second frame-rate and a second bit depth, and a variable focus element (VFE) configurable to vary a focus of the projected light and transmit the projected light;
- a stack of two or more spatial light modulators (SLMs) positioned such that the stack delivers light associated with the one or more frames of image data to the user, wherein the SLM spatially attenuates light from an outside environment;
- a processor to control the stack of SLMs in a manner such that an angle at which light beams pass through one or more cells of the SLM is modulated;
- an occluder comprising at least one optical component, and wherein the processor controls the at least one optical component of the occluder to produce a darkfield representation of a dark virtual object, and
- a lightfield occluder comprising two LCD panels;
- wherein the at least one optical component of the occluder comprises a one-pinholed layer.
Dependencies are inferred from the claim text.