Granted Patent
B2
US 12,607,859 · App. 18/611,050 · Granted Apr 21, 2026
Virtual and augmented reality systems and methods
Inventors:
William Hudson Welch (Fort Lauderdale, FL); Paul M. Greco (Parkland, FL); Rony Abovitz (Weston, FL); Yonatan Munk (Fort Lauderdale, FL); Samuel A. Miller (Hollywood, FL)
Assignee:
MAGIC LEAP, INC.
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Abstract
Methods and systems are disclosed for presenting virtual objects on a limited number of depth planes using, e.g., an augmented reality display system. A farthest one of the depth planes is within a mismatch tolerance of optical infinity. The display system may switch the depth plane on which content is actively displayed so that the content is displayed on the depth plane on which a user is fixating. The impact of errors in fixation tracking is addressed using partially overlapping depth planes. A fixation depth is determined and the display system determines whether to adjust selection of a selected depth plane at which a virtual object is presented. The determination may be based on whether the fixation depth falls within a depth overlap region of adjacent depth planes. The display system may switch the active depth plane depending upon whether the fixation depth falls outside the overlap region.
Claims (28)
1 . A display system comprising:
a head-mountable display comprising:
a waveguide stack comprising a plurality of waveguides configured to provide image content on a plurality of depth planes, each of the plurality of waveguides of the waveguide stack having optical power and being configured to project light into a same eye of a viewer to display image content on an associated depth plane of the plurality of depth planes,
wherein at least one of the plurality waveguides is curved, and
wherein each of the plurality of depth planes is at less than optical infinity and any image content provided by the head-mountable display is disposed on one of the plurality of depth planes.
2 . The display system of claim 1 , wherein the waveguide stack includes a single waveguide that projects the light at more than one color.
3 . The display system of claim 1 , wherein the waveguide stack includes at least a first waveguide that projects the light at a first depth plane forming a first portion of a scene of the image content and a second waveguide that projects the light at a second depth plane forming a second portion of a scene of the image content.
4 . The display system of claim 1 , wherein the at least one of the plurality of waveguides has a first curvature and the waveguide stack further includes at least one of the plurality of waveguides that has a second curvature, different than the first curvature.
5 . The display system of claim 1 , wherein the at least one of the plurality of waveguides is configured to project at least a first portion of the display image at a first depth plane of the plurality of depth planes and the waveguide stack further includes at least one of the plurality of waveguides that is configured to project at least a second portion of the display image at a second depth plane of the plurality of depth planes, different than the first depth plane.
6 . The display system of claim 1 , wherein a farthest one of the depth planes is within about 0.50 dpt. of optical infinity.
7 . The display system of claim 1 , wherein a farthest one of the depth planes is within about 0.33 dpt. of optical infinity.
8 . The display system of claim 1 , wherein a farthest one of the depth planes is within about 0.25 dpt. of optical infinity.
9 . The display system of claim 1 , wherein the depth planes are separated by no more than about 0.7 dpt.
10 . The display system of claim 1 , wherein the depth planes are separated by no more than about 0.5 dpt.
11 . The display system of claim 1 , wherein each respective waveguide of the waveguides comprises incoupling optical elements configured to redirect incident light to propagate by total internal reflection inside the respective waveguide.
12 . The display system of claim 1 , wherein each respective waveguide of the waveguides further comprises outcoupling optical elements configured to redirect light propagating within the respective waveguide out of the respective waveguide.
13 . The display system of claim 11 , further comprising a light projector system configured to direct image content to the incoupling optical elements of the waveguides, the light projector system comprising: a light emitter; and a spatial light modulator.
14 . A display system comprising:
a head-mountable display comprising:
at least one waveguide configured to provide image content on a plurality of depth planes, each of the at least one waveguide having an optical power and being configured to project light into a same eye of a viewer to display image content on an associated depth plane of the plurality of depth planes,
wherein the at least one waveguide is curved, and
wherein each of the plurality of depth planes is at less than optical infinity and any image content provided by the head-mountable display is disposed on one of the plurality of depth planes.
15 . The display system of claim 14 , wherein the at least one waveguide includes a single waveguide that projects the light at more than one color.
16 . The display system of claim 14 , wherein the at least one waveguide includes at least a first waveguide that projects the light at a first depth plane forming a first portion of a scene of the image content and a second waveguide that projects the light at a second depth plane forming a second portion of the scene of the image content.
17 . The display system of claim 14 , wherein the at least one waveguide includes at least a first waveguide with a first curvature and a second waveguide with a second curvature, different than the first curvature.
18 . The display system of claim 14 , wherein the at least one waveguide includes at least a first waveguide configured to project at least a first portion of the display image at a first depth plane of the plurality of depth planes and a second waveguide is configured to project at least a second portion of the display image at a second depth plane of the plurality of depth planes, different than the first depth plane.
19 . The display system of claim 14 , wherein a farthest one of the depth planes is within about 0.50 dpt. of optical infinity.
20 . The display system of claim 14 , wherein a farthest one of the depth planes is within about 0.33 dpt. of optical infinity.
Assignments (2)
SECURITY INTEREST
Recorded Oct 28, 2025
From: MAGIC LEAP, INC.; MENTOR ACQUISITION ONE, LLC; MOLECULAR IMPRINTS, INC.
To: CITIBANK, N.A., AS COLLATERAL AGENT
Reel/Frame 073388/0027 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Mar 25, 2024
From: WELCH, WILLIAM HUDSON; GRECO, PAUL M.; ABOVITZ, RONY; MUNK, YONATAN; MILLER, SAMUEL A.
To: MAGIC LEAP, INC.
Reel/Frame 066885/0097 →
Continuity (6)
Provisional Application
62378109
· Aug 22, 2016
Provisional Application
62313698
· Mar 25, 2016
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