Abstract: A tunable laser based light source for Li-Fi communication comprising a laser (1), a first optical element (3), and a second optical element (4). The first optical element (3) is configured to reflect and/or refract a scanning beam (2) emitted from the laser (1). The second optical element (4) is configured to broaden the scanning beam (2) reflected/refracted by the first optical element (3). The scanning beam (2) is configured to scan a scanning area extending with a first scanning length in a broadening direction (SI) and a second scanning length in a scanning direction (S2). The second optical element (4) is configured to broaden the scanning beam (2) in the broadening direction (S1) to a width larger than the first scanning length, and the laser (1) and the first optical element (3) are configured to cooperate to enable the scanning beam (2) to be swept along the scanning direction (S2).

Abstract: A system for centralized captioned telephone service (“C-CTS”), which includes a C-CTS system (“C-CTSS”) for providing a transcription service to a user subscribed to the C-CTS during a phone call with a peer; a mobile communications device of the user which includes a first phone number assigned from a carrier of the user; a communications device of the peer which includes a second phone number; and a plurality of caption providers that communicate with the C-CTSS. The first phone number is associated with the C-CTSS and each of the caption providers provides a captioned telephone service. A carrier of the first phone number includes a voice network, a data network, and a database that stores the first phone number of the user which is subscribed to the C-CTS. The C-CTSS includes a database that stores the first phone number of the user.

Abstract: The embodiments disclose an apparatus including an eyewear pupilometer for detecting, measuring and processing a wearer's pupil movement and size, for detecting and processing retinal images, for detecting and processing a wearer's field of view, for broadcasting alerts, for pre-diagnostic screening, for overriding vehicle operation and for measuring, recording and transmitting circadian responses, at least one eyewear pupilometer module including a lens fiber optic camera module, an image processor module, a retinal image infrared detector module, an outward camera module, at least one alert module, an alert light and message projector, a WI-FI module, an automated pullover module, an automated steering module, fiber optic & data cables, a contact lens pupilometer image, sensor and processor module, and at least one eyewear pupilometer module coupled to and/or embedded into eyewear frames and lenses, contact lenses, a vehicle wind shield and protective covers for hand held devices and laptop computers.

Abstract: An augmented reality (AR) display device is described. The display device includes a projection source; a first optical path having a first beamsplitter and a first reflector; and a second optical path having a second beamsplitter and a second reflector. The first and second reflectors each include a reflective film. Virtual image light emitted from the projection source and carrying virtual image information first passes through the first optical path where it is reflected at least twice and transmitted at least once by the first beamsplitter and the first reflector, then enters the second optical path where it is transmitted at least once and reflected at least twice by the second beamsplitter and the second reflector, and enters a human eye. Scene light from a real scene enters the human eye through the second optical path. A wearable AR system can include the AR display device and the projection source.

Abstract: Systems, methods, apparatuses and non-transitory, computer-readable mediums are disclosed for short-range position tracking using a stationary magnetic field gradient. In an embodiment, a method comprises: obtaining, by a sensing array of a device worn or held by a user in an environment, a measurement of a stationary magnetic field generated by a magnetic source in the environment, the stationary magnetic field being independent of an ambient magnetic field in the environment; determining based on the measurement, a change in the magnetic field over time; determining based on the measurement, a change in the magnetic field over distance; obtaining, by the processor, a rotation angle of the device; determining a velocity of the device based on the change in the magnetic field over time, the change in the magnetic field over distance and the rotation angle of the device; and integrating the velocity to obtain a position of the device.

Abstract: A see-through near eye display, which can be modulated in such a manner to synchronize with electronic enabled micro-lenses of a switchable micro-lens array, wherein when pixels of the near eye display are lit the micro-lenses of the micro-lens array are present; thus, a virtual image can be formed and seen by the eye of a user. When the see-through near eye display is not lit, the micro-lenses are not present, thus permitting a real image to be present.

Abstract: An optical device includes an optical waveguide and a plurality of reflective polarizers. The plurality of reflective polarizers include a first reflective polarizer and a second reflective polarizer disposed inside the optical waveguide so that the first reflective polarizer receives light propagating inside the optical waveguide, redirects a first portion of the light in a first direction, and transmits a second portion of the light in a second direction non-parallel to the first direction. The second reflective polarizer receives the second portion of the light from the first reflective polarizer, redirects a third portion of the light, and transmits a fourth portion of the light. A ratio between the first portion and the second portion of the light has a first value and a ratio between the third portion and the fourth portion of the light has a second value distinct from the first value.

Abstract: A projection apparatus (projector) includes a light source apparatus, an image generation unit that generates image light from the light from the light source apparatus, a projection optical system that projects the image light, a reflective optical element (reflection mirror) that forms the projection optical system, deflects back the image light, and causes the deflected image light to exit, a projection optics enclosure that accommodates the projection optical system, and a first opening section formed in the projection optics enclosure so as to open in the position of the reflective optical element (reflection mirror).

Abstract: A system includes a projection device configured to project images onto a receiver surface of a viewing device. The viewing device includes a screen having the receiver surface and a viewing surface opposite the receiver surface. The screen is configured to permit transmission of the images through the screen, from the receiver surface, to the viewing surface such that the images are viewable on the viewing surface. The viewing device also includes a focusing lens configured to focus the images for a user when wearing the viewing device. Further, the system includes a tracking system configured to determine a location and orientation of the receiver surface of the viewing device. The projection device is configured to adjust image properties of the images based at least in part on the determined location and orientation of the receiver surface.

Abstract: Systems and methods for providing a polarimetry camera operative to obtain high fidelity surface characterization measurements. A polarimetry camera may include an multi-twist retarder component that is operative selectively switch between two or more polarization filtering states, wherein in each polarization filtering state, the multi-twist retarder component only passes light having a particular polarization state or orientation (e.g., horizontal linear polarization, vertical linear polarization, 45 degree linear polarization, circular polarization) and reflects or absorbs light having other polarization states. The multi-twist retarder may also include one or more diffraction patterns that focus light.

Abstract: An interface device is provided that is configured to allow viewing of three-dimensional (3-D) content when the interface device is worn. In certain embodiments, a wearable visualization device can be removably coupled to the interface device. The wearable visualization device, when in use, may provide additional viewing functionality, such as facilitating the viewing of augmented reality (AR) or virtual reality (VR).

Abstract: A display subsystem for a virtual image generation system used by an end user, comprises first and second waveguide apparatuses, first and second projection subassemblies configured for introducing first and second light beams respectively into the first and second waveguide apparatuses, such that at least a first light ray and at least a second light ray respectively exit the first and second waveguide apparatuses to display first and second monocular images as a binocular image to the end user, and a light sensing assembly configured for detecting at least one parameter indicative of a mismatch between the displayed first and second monocular images as the binocular image.

Abstract: Methods and apparatus provide for: generating virtual space images by specifying from among a plurality of viewpoint positions and a plurality of directions of line of sight in the virtual space; and displaying the virtual space images on a head-mounted display, where the generating includes changing from a currently selected viewpoint position among the plurality of viewpoint positions to a newly selected viewpoint position among the plurality of viewpoint positions, which is selected in accordance with operation by a user, when generating the virtual space images in response to changing to the newly selected viewpoint position, the generating includes specifying, as a new direction of line of sight among the plurality of directions of line of sight, a direction in which a first position in the virtual space is seen from the newly selected viewpoint position, and at least some of the plurality of viewpoint positions are separated from each other.

Abstract: A sensor unit (105) included in a display device (100) detects a shift in orientation of a display (104) included in the display device (100) in a real space. A display control device configured by a control unit (101) changes the sight line direction in a virtual space, which includes a plurality of still and moving objects, in accordance with the detected shift in orientation, and generates an image representing a view of the virtual space in the sight line direction. The generated image is displayed on the display (104). The display control device configured by the control unit (101) then specifies a focus object among the objects, transfers an observation site about the focus object in the direction opposite to the direction of change in the sight line direction, and then generates the image of the virtual space from the observation site in the sight line direction.

Abstract: An optical device of the present disclosure includes a first light guide body including a first light-incident portion provided with a first incidence-side diffraction element, and a second light guide body including a second light-incident portion provided with a second incidence-side diffraction element, wherein the second light guide body, when light is caused to enter the first light-incident portion, is disposed at a position at which a part of the light passing through the first light guide body enters the second light-incident portion, and the second incidence-side diffraction element is an element that diffracts light of monochromatic color at a smaller angle than the first incidence-side diffraction element does, when the light of monochromatic color is caused to enter at a same angle.

Abstract: A head mounted display includes a combiner configured to receive display light from a micro-display. The world-facing surface of the combiner has a curvature that corresponds to a user's vision correction prescription. The head mounted display also includes a corrective layer having a second curvature that corresponds to the user's vision correction prescription. The corrective layer is disposed on the eye-facing surface of the combiner such that the focal point of the display light is adjusted for the specific user as the display light exits the combiner towards the user's eye.

Abstract: One embodiment is directed to a system for enabling two or more users to interact within a virtual world comprising virtual world data, comprising a computer network comprising one or more computing devices, the one or more computing devices comprising memory, processing circuitry, and software stored at least in part in the memory and executable by the processing circuitry to process at least a portion of the virtual world data; wherein at least a first portion of the virtual world data originates from a first user virtual world local to a first user, and wherein the computer network is operable to transmit the first portion to a user device for presentation to a second user, such that the second user may experience the first portion from the location of the second user, such that aspects of the first user virtual world are effectively passed to the second user.

Abstract: A speaker module includes a base, a speaker and a wire. The base has a bottom and a first wire fixing portion. The speaker is disposed in the base and has a second wire fixing portion. The wire is fixed to the first wire fixing portion and the second wire fixing portion to suspend the speaker in the base, and the speaker is separated from the bottom with a distance. A projection device having the speaker module is further provided.

Abstract: The present disclosure provides a light field imaging system by projecting near-infrared spot in remote sensing based on a multifocal microlens array. The light field imaging system includes a near-infrared spot projection apparatus (100) and a light field imaging component (200), where the near-infrared spot projection apparatus (100) is configured to scatter near-infrared spots on a to-be-observed object to add texture information to a target image, and the light field imaging component (200) is configured to image a target scene light ray with additional texture information. The present disclosure can extend a target depth-of-field (DOF) detection range, and particularly, reconstruct a surface of a weak-texture object.

Abstract: A display device includes: a display unit including a plurality of display panels which displays images of different colors, a lens unit on the display unit, an optical path controller on the lens unit, where the optical path controller generates a composite image by superimposing the images displayed by the plurality of display panels with each other, and an output unit through which the composite image is displayed. The optical path controller controls optical paths of light incident on a first surface of the optical path controller facing the lens unit and light incident on a second surface of the optical path controller, which is opposite to the first surface, and provides the composite image to the output unit.

Abstract: A system and method capture a spatial orientation of a wearable device. The system has at least one capturing unit and at least one processor unit. The at least one capturing unit is designed to capture at least one first position parameter in relation to the wearable device and to capture at least one second position parameter in relation to a body part of a person on which the wearable device is arranged. The at least one processor unit is designed to determine a spatial orientation of the wearable device on the basis of the at least one first position parameter and the at least one second position parameter.

Abstract: An electronic display assembly includes a display element and a corrective element coupled to the display element. The display element has a first plurality of sub-pixels of a first type and a second plurality of sub-pixels of a second type. Two adjacent sub-pixels of the first plurality of sub-pixel are separated by a sub-pixel distance. The corrective element has a plurality of features configured to diffuse light emitted by the first plurality of sub-pixels such that an apparent distance between the two adjacent sub-pixels of the first type, viewed at a viewing distance away from the electronic display assembly, is less than the sub-pixel distance.

Abstract: Systems, methods, and non-transitory computer readable media containing instructions for causing at least one processor to perform operations to enable cursor control in an extended reality space are provided. In one implementation, the processor is configured to perform operations comprising receiving from an image sensor first image data reflecting a first region of focus of a user of a wearable extended reality appliance; causing a first presentation of a virtual cursor in the first region of focus; receiving from the image sensor second image data reflecting a second region of focus of the user outside the initial field of view in the extended reality space; receiving input data indicative of a desire of the user to interact with the virtual cursor; and causing a second presentation of the virtual cursor in the second region of focus in response to the input data.

Abstract: A method of estimating a position of an image display device, the method including determining position information of a neck of a user based on position information of an image display device worn by the user, filtering the position information of the neck, and estimating a position of the image display device based on the filtered position information of the neck.

Abstract: The techniques disclosed herein detect sensor misalignments in a display device by the use of sensors operating under different modalities. In some configurations, a near-to-eye display device can include a number of sensors that can be used to track movement of the device relative to a surrounding environment. The device can utilize multiple sensors operating under multiple modalities. For each sensor, there is a set of intrinsic and extrinsic properties that are calibrated. The device is also configured to determine refined estimations of the intrinsic and extrinsic properties at runtime. The refined estimations of the intrinsic and extrinsic properties can then be used to derive knowledge on how the device has deformed over time. The device can then use the refined estimations of the intrinsic and extrinsic properties and/or any other resulting data that quantifies any deformations of the device to make adjustments to rendered images at runtime.

Abstract: Provided is a multi-image display apparatus including a light source configured to emit light, a spatial light modulator configured to modulate the light emitted by the light source and generate image light, a first optical system configured to deliver the image light through a first light path and a second light path that is not parallel with the first light path, and a second optical system configured to deliver external light and the image light delivered through the second light path to a pupil of a viewer, through a third light path that is not parallel with the second light path, wherein the second optical system includes a steering optical device provided at a crossing point of the second light path and the third light path and configured to be two-axis rotated.

Abstract: The present disclosure provides a flexible foldable display screen includes a glass substrate, a flexible screen body disposed on the glass substrate, and a controlling IC disposed at a top of the curing assembling area. The flexible screen body has a curing assembling area defined at an end thereof, and a display area disposed outside the curing assembling area. The glass substrate is disposed at a bottom of the curing assembling area, with the display area exposed from the glass substrate. The display area comprises a pixel sparse area formed at an edge of the display area, and a pixel dense area formed outside the pixel sparse area. A pixel unit density of pixel units in the pixel dense area is greater than that of pixel units in the pixel sparse area.

Abstract: An immersive headset device is provided that includes a display portion and a body portion. The display portion may include microdisplays having a compact size. The microdisplays may be movable (e.g., rotational) relative to the body portion and can be moved (e.g., rotated) between a flipped-up position and a flipped-down position. In some instances, when the microdisplays are flipped up, the headset provides an augmented reality (AR) mode to a user, and when the microdisplays are flipped down, the headset provide a virtual reality (VR) mode to the user. In certain implementations, the headset includes an electronics source module to provide power and/or signal to the microdisplays. The electronics source module can be attached to a rear of the body portion in order to provide advantageous weight distribution about the head of the user.

Abstract: A display apparatus includes at least one light source per eye, the at least one light source being operable to emit a light beam; at least one beam scanning arrangement per eye, the at least one beam scanning arrangement being configured to direct the light beam towards a projection surface, and to sweep the light beam according to a scanning pattern, the scanning pattern being substantially in a form of a spiral; and a processor configured to control the at least one light source and the at least one beam scanning arrangement to draw at least a first region of an input image over the projection surface, wherein a resolution of the first region of the input image is to vary as a function of an angular distance from a centre of the spiral.

Abstract: According to one embodiment, a method executed by an electronic apparatus including storage configured to store device information including first position information indicating a position of a device installed in a particular range and risk information associated with use of the device is provided. The method includes receiving second position information indicating a position of a user wearing an eyeglasses-type wearable terminal and working within the particular range, from the eyeglasses-type wearable terminal and estimating a status of the user, based at least in part on the first position information and the risk information included in the device information, and the second position information.

Abstract: A composite article having a conductive layer on at least a portion of a flexible substrate. Electrical connectivity between various portions of the substrate can be obtained through this conductive layer. The conductive layer comprises a conductive surface, and there is a patterned layer on at least a portion of a first region of the conductive surface. The patterned layer comprises a conductive material having a surface roughness, and is in electrical contact with the conductive surface. An overcoat layer is present on at least a portion of the first region, such that the overcoat layer has a thickness less than the surface roughness, such that the conductive layer within the first region is covered by the overcoat layer, and such that at least a portion of the patterned layer substantially protrudes above the overcoat layer.

Abstract: According to one embodiment, a display includes a projector, a first optical unit, and a second optical unit. The projector emits a first light including image information. The first optical unit transmits at least a portion of a second light. The second optical unit reflects at least a portion of the first light and transmits at least a portion of the second light. A light reflectance of the first optical unit is lower than a light reflectance of the second optical unit, and a light absorptance of the first optical unit is higher than a light absorptance of the second optical unit.

Abstract: A display device includes a display unit which is able to take a first position which is a relative position with respect to user's eyes and a second position which is a relative position with respect to the eyes and is different from the first position. The display device further includes a display mode change unit which, when the display unit displaying an image at the first position is moved to the second position, changes the mode of the display continued on the display unit.

Abstract: A display that includes a frame to be worn on a head of an observer, two image creation devices, two light guides to guide light beams output from the image creation devices and to output the light beams toward pupils of the observer, and an optical plate attached to a center part of the frame and attached to a periphery part of the light guides via an adhesive. The center part of the frame is thicker than an outside part of the frame.

Abstract: A head-mounted display apparatus includes a head-mounted display, the head-mounted display including a plurality of independently controllable switchable viewing areas that can each be independently switched between a transparent state and an information state. The transparent state enables a user of the head-mounted display to see the scene outside the head-mounted display through the independently controllable switchable viewing areas. The information state is opaque and displays information in the independently controllable switchable viewing areas visible to a user of the head-mounted display. Circuitry produces a control signal for controlling the states of the independently controllable switchable viewing areas and a controller responsive to the control signal independently switches each of the independently controllable viewing areas between the transparent state and the information state.