Volumetric display including liquid crystal-based lenses
AssigneeFacebook Technologies, LLC
InventorsAfsoon Jamali, Yang Zhao, Wai Sze Tiffany Lam, Lu Lu, Douglas Robert Lanman
Life of this patent
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Abstract
A volumetric display may include a two-dimensional display; a varifocal optical system configured to receive image light from the two-dimensional display and focus the image light; and at least one processor configured to: control the two-dimensional display to cause a plurality of sub-frames associated with an image frame to be displayed by the display, wherein each sub-frame of the plurality of sub-frames includes a corresponding portion of image data associated with the image frame; and control the varifocal optical system to a corresponding focal state for each respective sub-frame.
Claims24
A volumetric display comprising:
- a two-dimensional display;
- a varifocal optical system configured to receive image light from the two-dimensional display and focus the image light;
- and
- at least one processor configured to:
- control the two-dimensional display to cause a plurality of sub-frames associated with an image frame to be sequentially displayed by the display, wherein each sub-frame of the plurality of sub-frames includes a corresponding portion of image data associated with the image frame, and wherein each sub-frame includes a plurality of pixels of the image frame binned into the sub-frame based on depth values associated with the pixels;
- control the varifocal optical system to a corresponding focal state for each respective sub-frame;
- and
- control the varifocal optical system to achieve a selected focal state associated with a sub-frame prior to image light associated with the sub-frame propagating through the varifocal optical system.
A system comprising:
- a head mounted display comprising:
- a housing;
- a two-dimensional display mechanically coupled to the housing;
- a varifocal optical system mechanically coupled to the housing and configured to receive image light from the two-dimensional display and focus the image light;
- and
- at least one processor configured to:
- cause a plurality of sub-frames associated with an image frame to be sequentially displayed by the display, wherein each sub-frame of the plurality of sub-frames includes a corresponding portion of image data associated with the image frame, and wherein each sub-frame includes a plurality of pixels of the image frame binned into the sub-frame based on depth values associated with the pixels;
- control the varifocal optical system to a corresponding focal state for each respective sub-frame;
- and
- control the varifocal optical system to achieve a selected focal state associated with a sub-frame prior to image light associated with the sub-frame propagating through the varifocal optical system.
A method comprising:
- causing, by one or more processors, a plurality of sub-frames associated with an image frame to be sequentially displayed by a two-dimensional display, wherein each sub-frame of the plurality of sub-frames includes a corresponding portion of image data associated with the image frame, and wherein each sub-frame includes a plurality of pixels of the image frame binned into the sub-frame based on depth values associated with the pixels;
- and
- controlling, by the one or more processors, a varifocal optical system to a corresponding focal state for each respective sub-frame, wherein the varifocal optical system is configured to receive image light from the two-dimensional display and focus the image light, wherein the varifocal optical system is configured to achieve a selected focal state associated with a sub-frame prior to image light associated with the sub-frame propagating through the varifocal optical system.
Dependencies are inferred from the claim text.