G02B2027/0147

SYSTEM AND METHOD FOR ENHANCING VISUAL ACUITY

A head wearable display system comprising a target object detection module receiving multiple image pixels of a first portion and a second portion of a target object, and the corresponding depths; a first light emitter emitting multiple first-eye light signals to display a first-eye virtual image of the first portion and the second portion of the target object for a viewer; a first light direction modifier for respectively varying a light direction of each of the multiple first-eye light signals emitted from the first light emitter; a first collimator; a first combiner, for redirecting and converging the multiple first-eye light signals towards a first eye of the viewer. The first-eye virtual image of the first portion of the target object in a first field of view has a greater number of the multiple first-eye light signals per degree than that of the first-eye virtual image of the second portion of the target object in a second field of view.

XR RENDERING FOR 3D AUDIO CONTENT AND AUDIO CODEC
20230051841 · 2023-02-16 ·

A device includes a memory configured to store instructions and also includes one or more processors configured to execute the instructions to obtain audio data corresponding to a sound source and metadata indicative of a direction of the sound source. The one or more processors are configured to execute the instructions to obtain direction data indicating a viewing direction associated with a user of a playback device. The one or more processors are configured to execute the instructions to determine a resolution setting based on a similarity between the viewing direction and the direction of the sound source. The one or more processors are also configured to execute the instructions to process the audio data based on the resolution setting to generate processed audio data.

DISPLAY DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME
20230048041 · 2023-02-16 ·

Disclosed is a display device which includes a display panel that includes a plurality of pixels and includes a display area displaying an image, a panel controller that receives an external input signal from an external source and generates a control signal for dividing the display area into a first area and a second area which is disposed adjacent to the first area based on the external input signal, and an instrument module that stretches the first area and the second area of the display panel in response to the control signal. The number of the pixels per unit area in the first area is different from the number of the pixels per unit area in the second area.

Systems for and methods of using fold gratings for dual axis expansion using polarized light for wave plates on waveguide faces

A near eye optical display includes a waveguide comprising a first surface and a second surface, an input coupler, a fold grating, and an output grating. The input coupler is configured to receive collimated light from a display source and to cause the light to travel within the waveguide via total internal reflection between the first surface and the second surface to the fold grating; the fold grating is configured to provide pupil expansion in a first direction and to direct the light to the output grating via total internal reflection between the first surface and the second surface; and the output grating is configured to provide pupil expansion in a second direction different than the first direction and to cause the light to exit the waveguide from the first surface or the second surface.

DEVICE AND METHOD FOR FOVEATED RENDERING

A display driver includes image processing circuitry and drive circuitry. The image processing circuitry is configured to receive a foveal image, a full frame image, and coordinate data that specifies a position of the foveal image in the full frame image. The image processing circuitry is further configured to render a resulting image based on the full frame image independently of the foveal image in response to detection of a data error within the coordinate data. The drive circuitry is configured to drive a display panel based on the resulting image.

Method and a display device with pixel repartition optimization

A method for presenting an image on a display device (100) includes modifying the image by applying a geometric transformation to the image so that an area of the image on the display device is presented to a viewer with higher density of pixels than that in the rest of the image (S18).

Depth based foveated rendering for display systems

Methods and systems for depth-based foveated rendering in the display system are disclosed. The display system may be an augmented reality display system configured to provide virtual content on a plurality of depth planes using different wavefront divergence. Some embodiments include determining a fixation point of a user's eyes. Location information associated with a first virtual object to be presented to the user via a display device is obtained. A resolution-modifying parameter of the first virtual object is obtained. A particular resolution at which to render the first virtual object is identified based on the location information and the resolution-modifying parameter of the first virtual object. The particular resolution is based on a resolution distribution specifying resolutions for corresponding distances from the fixation point. The first virtual object rendered at the identified resolution is presented to the user via the display system.

IMAGING SYSTEM AND CONTROL METHOD THEREFOR, AND CONTROL APPARATUS AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

A control method for an imaging system is provided. The imaging system includes a display device and a dimming lens disposed on a display side of the display device. The dimming lens is capable of moving toward or away from the display apparatus to adjust an object distance from the display device to the dimming lens. The control method includes: determining the object distance when the dimming lens moves to a set position; according to the object distance, determining an image distance from a virtual image, generated by a display image of the display device through the dimming lens, to the dimming lens; and according to the determined image distance and a correlation between the image distance and a resolution of the display image, determining a resolution corresponding to the determined image distance, and controlling the display device to display the display image at the determined resolution.

OPTICAL ELEMENT

Provided is an optical element that can display a clear image having no blurriness in AR glasses or the like. The optical element includes: a substrate; and a laminate that is provided on the substrate and where a plurality of liquid crystal layers obtained by aligning a liquid crystal compound are laminated, in which the liquid crystal layers have a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction, and in at least one of the liquid crystal layers, an arithmetic mean value of differences between maximum film thicknesses and minimum film thicknesses obtained by observing 10 cross-sections with a scanning electron microscope is 0.1 μm or less.

VIDEO RECORDING AND PLAYBACK SYSTEMS AND METHODS

A method of video recording comprises the steps of: rendering a field of view of a virtual environment for a first user of a head mounted display at a first resolution, rendering a view of the virtual environment outside the field of view of the first user at a second lower resolution than the first resolution, outputting the rendered field of view for display to the first user, and recording the combined render as a video for subsequent viewing by a second user; meanwhile a corresponding method of video playback comprises requesting to download or stream the video from a remote source, receiving the download or stream of the video from the remote source, and outputting at least part of the stream or video for display to a second user wearing a head mounted display, wherein the step of outputting the stream of video comprises detecting the field of view of the second user wearing the head mounted display, and providing the corresponding portion of the recorded stream or video for output to the head mounted display of the second user.