Abstract: Light-field projector for projecting a near-eye projected image to the eyes of a user, comprising: a light source comprising a plurality of illumination point-lights configured for sequentially emitting a plurality of incident light fields; a spatial light modulator configured for providing a sequence of source images; the spatial light modulator being further configured for modulating each of the incident light-fields in accordance with the source images such as to project sequentially a plurality of pinhole-aperture light-fields, each pinhole-aperture light-fields carrying a light-field component from the source image; wherein each sequentially projected pinhole-aperture light-field forms an intersection virtual pinhole through which the component from the source image can be seen, each virtual pinholes having an aperture stop which is determined by the size of the illumination point-light and being spatially shifted in relation with each other, the near-eye projected image being seen through the plurality

Abstract: Described herein are examples of a headset for mobile devices comprising a visor frame with a housing, a display screen, a mobile device connector, and a mobile device wherein the housing secures the mobile device adjacent to the display screen. The headset further includes a rear assembly with a microcontroller and a microcontroller connector. The display screen is configured to reflect an image from the screen of the mobile device, and the headset additionally includes lighting devices, and an application configured to receive input signals and send output commands to the headset to provide safety features for the headset for mobile devices.

Abstract: Improved systems ensuring an accuracy of eye gaze measurements in an augmented reality head-mounted wearable device include a radiation direction rerouter (e.g., a partial retroreflector) configured to adjust an angle of incidence of the radiation in the waveguide at a first surface of a waveguide to produce radiation directed at an adjusted angle of incidence at an outcoupler such that the output direction is essentially parallel to the gaze angle of the user's eye. For example, a partial retroreflector may be disposed on a surface of the waveguide opposite the outcoupler provides an additional reflection so that the gaze angle of the user's eye is matched to an angle of an image of the eye pupil onto a world-facing radiation detector (e.g., a camera).

Abstract: An augmented reality and extended reality surgical system comprising three 3D viewing options of: (i) an AR/XR headset or headsets, (ii) one or more autostereoscopic “3D glasses free” monitor(s); and (iii) one or more digital ocular stereoscopic 3D viewports which is mounted to a cobotic arm viewing option for ergonomically sound viewing. The system may comprise a wearable device, such as a head mounted display or glasses, that provides the user with virtual reality, augmented reality, and/or mixed reality for surgery visualization. This system is all digital and features both wired and wireless connections that have approximately the same latency of less than 20 milliseconds. This may allow the user to access 2D or 3D imaging, magnification, virtual visualization, six-degrees of freedom (6DoF) image management, and/or other images while still viewing real reality and thus maintaining a presence in the operating room.

Abstract: Provided is a head up display (HUD) device in which occurrence of postcard can be reduced. The HUD device causes an image to be visually recognized as a virtual image. The HUD device is provided with: a projector 100 that emits projection light including light indicating an image; a screen 60 which the projection light reaches; and a light shielding part S that shields at least a part of the projection light excluding the light indicating the image. The screen 60 has a display possible region Rc that is a range which the projection light can reach, and a display region Ra to which the image is projected.

Abstract: Disclosed is a method for determining an eye parameter of a user of a display device, the eye parameter relating to a dioptric parameter of an ophthalmic lens to be provided to the user, the method including: a display device providing step, during which a binocular display device is provided to the user,—an image display step, during which an image is displayed to the user when using the display device; a display parameter modifying step, during which at least one parameter of the display device is modified so as to modify the virtual display distance of the perceived image, wherein the display parameter modifying step is repeated until image subjective quality of the perceived image is perceived by the user as optimal; and an eye parameter determining step during which an eye parameter is determined based on the parameter of the display device.

Abstract: The embodiments of the disclosure provide an optical system and an image enlargement device. The optical system may include a display and an optical component disposed between the display and a viewing position. The optical component may include a first reflective element and a second reflective element. The first reflective element is configured to receive an incident light emitted from the display. The second reflective element is disposed on a reflected light path of the first reflective element, and configured to receive the incident light reflected by the first reflective element and reflect the reflected incident light to a viewing position. The first reflective element and/or the second reflective element having a function of concentrating light. Therefore, when the user looks at a display of a mobile phone or a terminal, the display is enlarged by the even reflection of the first reflective element and the second reflective element, thereby improving the user experience and comfort.

Abstract: An eye-tracking system includes two mirrors. A first mirror is positioned to transmit light, received at a first incident angle, reflected off an eye of a user toward a second mirror. The first mirror is also positioned to reflect the light, reflected from the second mirror, at a second incident angle. The second mirror is inclined from the first mirror so that the light transmitted through the first mirror is reflected by the second mirror toward the first mirror at a first reflection angle. The light reflected by the second mirror is reflected by the first mirror toward the second mirror at a second reflection angle greater than the first reflection angle. The eye-tracking system also includes one or more sensors positioned to detect the light reflected by the first mirror and the second mirror for determining a gaze direction of the eye of the user.

Abstract: A head-up display system includes a housing having an interior surface and defining a cavity configured for receiving a ray of light. The head-up display system also includes a lens disposed within the cavity and configured for reflecting the ray of light towards the interior surface. Further, the head-up display system includes a first cured film formed from a coating composition, disposed on the interior surface, and configured for absorbing a ray of light within the cavity. The head-up display system also includes a second deposited film formed by an ionized gas treatment of the first cured film. The second deposited film is configured for transmitting the ray of light to the first cured film to thereby minimize scatter of the ray of light within the cavity. A device including the head-up display system is also described.

Abstract: Optical assemblies for use in virtual and augmented reality environments are described. The optical assemblies may include lenses, filter stacks, cameras, and image projecting devices. For example, the optical assemblies may include at least one lens, a first filter stack between the at least one lens and an image projecting device, a second filter stack between the first filter stack and the image projecting device, and a camera configured to capture images of an infrared reflection of light through the at least one lens.

Abstract: A display system for creating a multiplane display. The display system includes a viewing space for viewers. The display system includes a convex screen and a mirror element spaced apart from the convex screen to provide a collimated display. The mirror element is both reflective and transmissive of light, and a fraction of light from the convex screen that strikes a front concave surface of the mirror element is reflected into the viewing space. The convex screen and the front concave surface of the mirror element are each shaped to have an optical prescription defined for a collimated display whereby light reflected into the viewing space is collimated to provide variable depth imagery. The display system includes a background space behind the mirror element, and light from the background space from projection screens and illuminated objects is transmitted through the mirror element to viewers in the viewing space.

Abstract: An augmented reality (AR) optical device comprises an AR optical system configured to generate an AR image and lay the AR image over an actual environment image perceived by a user and a light attenuator disposed in a direction along which the AR optical system is optically exposed to an actual environment and configured to attenuate a brightness of the actual environment image.

Abstract: Optical systems for displaying an image are described. The optical systems include spaced apart first and second optical lenses. A partial reflector is disposed on and conforms to a major surface of the first optical lens where the major surface can have a best-fit spherical radius of curvature in a range from 20 mm to 200 mm. A reflective polarizer is disposed on and conforms to a major surface of the second optical lens where the major surface can have a best-fit spherical radius of curvature in a range from 14 mm to 250 mm. A retarder layer is disposed between the reflective polarizer and the partial reflector. The first optical lens can have an optical birefringence of less than 15 nm/cm and the second optical lens can have an optical birefringence of greater than 15 nm/cm. A method of fabricating an optical assembly is described.

Abstract: Methods and systems for a virtual and/or augmented reality device may include a light emitting device that includes one or more light emitting elements configured to generate collimated light beams. A scanning mirror may include one or more microelectromechanical systems (MEMS) mirrors. Each MEMS mirror of the scanning mirror may be configured to dynamically tilt in at least one of two orthogonal degrees of freedom to raster scan the light beams over multiple angles corresponding to a field of view of an image. A curved mirror may include curves in two orthogonal directions configured to reflect the collimated light beams from the scanning mirror into a subject's eye in proximity to the curved mirror to form a virtual image. The curved mirror may allow external light to pass through, thus allowing the virtual image to be combined with a real image to provide an augmented reality.

Abstract: Augmented reality headsets. A plurality of tilted pin-mirrors imbedded between an inner surface and an outer surface of a combiner, where the plurality of tilted pin-mirrors are configured to reflect the guided image light towards the eye box, and wherein the plurality of pin-mirrors include one or more gaps between them wherein the one or more gaps allow the passage of an ambient light through the combiner towards the eye box.

Abstract: A method for assembling a head mounted display includes providing a rigid structural frame, and forming an inner optical assembly by assembling optical components to the structural frame including at least one micro-display configured to generate an image, and at least one reflective optical component configured to direct the image to a user's eye. The method includes assembling an outer frame to the inner optical assembly to provide protection for the optical components and customization of the head-mounted display for the user.

Abstract: A multi-focal plane head-up display includes a main body, a projector, a first reflective element, a second reflective element, a polarizing element and a third reflective element. The polarization direction of a first image light in the first region of the projection image projected by the projector and the polarization direction of a second image light in the second region of the projection image are orthogonal to each other. The first image light passes through the first reflective element and the polarizing element to form a first virtual image. The second image light passes through the second reflective element, the polarizing element and the third reflective element to form a second virtual image. This can not only provide two virtual images with different focal planes, but also reduce the volume occupied by the head-up display and reduce manufacturing costs.

Abstract: A display system for presenting a holographic image to a viewer may comprise a coherent light source, a display element, and a computing device operatively connected to the coherent light source and the display element, the coherent light source emitting a light that enters the display element from the same side of the viewer, and the display element comprising a liquid crystal layer and a partially-transmissive-partially-reflective layer, wherein the computing device is configured to provide a control signal to the display element to present the holographic image, wherein the liquid crystal layer receives light from the light source and is controlled by the control signal to modulate a phase of the light from the light source, and wherein the partially-transmissive-partially-reflective layer receives light from the liquid crystal layer and reflects the light back through the liquid crystal layer to the viewer.

Abstract: An optical system includes an optical element configured to emit light emitted from a light source; and an optical modulation element configured to receive the light emitted from the optical element and emit first light rays in a first direction and second light rays in a second direction different from the first direction. The optical element has an interface that transmits one and reflects the other of: the first light rays to be directed to a projection target; and the second light rays and the light emitted from the light source.

Abstract: An in-vehicle display system, a traffic equipment and an image display method are disclosed. The in-vehicle display system includes an image generation device, an intermediate image receiving part and a controller. The image generation device is configured to project projection light of a first image; the intermediate image receiving part is configured to receive the projection light of the first image, so as to present the first image, and the intermediate image receiving part is further configured to have a changeable intermediate image receiving position; the controller is configured to control the intermediate image receiving position of the intermediate image receiving part at least based on a current driving speed so as to present the first image at a corresponding position.

Abstract: Systems, devices, and methods for optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines of the present disclosure integrate a plurality of laser diodes (e.g., 3 laser diodes, 4 laser diodes) within a single, hermetically or partially hermetically sealed, encapsulated package. The optical engines include an optical director element that includes a curved reflective surface (e.g., parabolic cylinder) that redirects laser light beams and collimates the same along the fast axes thereof. Such optical engines may have various advantages over existing designs including, for example, smaller volumes, better manufacturability, faster modulation speed, etc. WHUDs that employ such optical engines and laser projectors are also described.

Abstract: A display device includes a light projection device which projects light including an image onto a reflector reflecting incident light to allow an observer to visually recognize the image included in the light reflected by the reflector as a virtual image, and a control device which causes the light projection device to output first light including a first image in a first case where a surrounding brightness is equal to or greater than a threshold value and causes the light projection device to output second light including a second image in a second case where the surrounding brightness is less than the threshold value.

Abstract: A method of automatic image alignment with head mounted display (HMD) optics includes generating a pixel pattern of display light on an electronic display of the HMD. A light sensor of the HMD then generates light measurements in response to the pixel pattern, where the light measurements are representative of a lateral position of an optical element of the HMD. The method also includes adjusting a rendering center of the electronic display for presentation of one or more images with respect to the optical element based on the light measurements.

Abstract: A visual aid provides utility to its users by performing geometric transformations of raw images from a digital camera into processed images for electronic display, via three nested levels of “implementation” namely, the nature of the mapping that will be applied, i.e. specifying a specific mapping or parameterized family of mappings; the algorithm set used to effect the select mapping, independent of the processor upon which it executes; and the method for realizing this algorithm on that processor. Likewise offered for consideration are software feature sets tied to user interface which enable dynamic tuning of the subject visual context and environments for low vision users, Inter Alia.

Abstract: Disclosed is an AR device which has a thin thickness and a wide FOV and displays an image obtained by mixing a virtual object with the real world. The AR device includes a display unit displaying an augmented image, a reflector reflecting the augmented image displayed by the display unit, and an augmentation unit displaying the augmented image reflected by the reflector along with a real image. The display unit is disposed in an upper boundary of a front viewing angle range of a user, the reflector is disposed at a first angle with respect to the display unit, and the augmentation unit is disposed within the front viewing angle range of the user.

Abstract: An unobscured five-mirror afocal telescope includes an aperture configured to direct electromagnetic radiation to first, second, third, fourth and fifth mirrors, each configured to receive electromagnetic radiation and reflect electromagnetic radiation along a beam path. The five mirrors are arranged to sequentially reflect from one another electromagnetic radiation received via the aperture to produce a collimated output beam of the electromagnetic radiation at an exit pupil, with the five mirrors consisting of a three-element objective and a two-element eyepiece. A beam splitter may be disposed between the first mirror and the second mirror to direct short-wavelength electromagnetic radiation toward a device along a separate path.

Abstract: A Heads-Up Display (HUD) system comprises a processor, a power source, and one or more sensors coupled to a frame connector. The processor is configured to receive signals from the one or more sensors and output image data. A display is mounted on a display arm extending from the frame connector. The display is configured to display images based on the image data. A goggles frame is configured to releasably receive the frame connector. The display is located within a field of view of a user wearing the goggles frame when the frame connector is received by the goggles frame.

Abstract: Optical systems and methods are provided, which combine see-through view of the real world and display source images using a conical optical combiner cut to have flat surfaces normal to the viewer line of sight. The conical shape minimizes interferences in the view of the real world as the edges of the optical combiner are tangent to the viewer vision field of view and the inner part of the optical combiner is semitransparent. Additionally, the optical system comprises a beam splitter, a shutter(s) for attenuating or blocking the see-through path and may employ polarizing element to improve the contrast between the scene observation and the projected display and thus enabling selective viewing of either. The system may also be configured to enable diopter adjustment and virtual display distance adjustments.

Abstract: A head-mounted display includes a display device, a projection optical member, and a prism member. The prism member includes a first prism receiving image light from the projection optical member, and a second prism disposed at a position further toward an exit pupil than the first prism. The first prism includes an entrance surface, a first reflection surface, and a first joining surface, the second prism includes a second joining surface joined to the first joining surface via a semi-transmissive reflection surface, a second reflection surface, and a light collecting reflection surface, and the semi-transmissive reflection surface is configured to reflect the image light, reflected by the light collecting reflection surface and then totally reflected by the second reflection surface, to pass through the second reflection surface.

Abstract: A head-mounted display includes a pancake lens block. The pancake lens block includes a first waveplate to form first nonlinearly polarized light, a Fresnel surface to reflect and transmit a portion of the first nonlinearly polarized light, a second waveplate to form first linearly polarized light, and a linear reflective polarizer to transmit linear polarized light of a particular polarization rotation direction and to reflect light of other polarization rotation directions.

Abstract: There is provided a display device including a display unit that displays an image thereon, an optical unit that projects a display image of the display unit on the eyes of a user, a correction information retaining unit that retains correction information created in advance according to a state of the user, and a distortion correction unit that corrects distortion of the display image based on correction information according to a current state of the user.

Abstract: An electronic device that interacts with a head mounted display (HMD) device is provided. The electronic device includes a communication interface, a memory, a display, and at least one processor electrically connected to the communication interface, the memory, and the display. The at least one processor is configured to receive an event signal related to sharing of contents with at least one external device or receive request information related to sharing of contents from the at least one external device through the communication interface, identify attribute information of the at least one external device, convert a format of some of one or more contents, which are stored in the memory, such that the format of one or more contents corresponds to the identified attribute information, and transmit the contents to the at least one external.

Abstract: A display system of one aspect according to the present disclosure includes: a display unit; a first optical member; and a second optical member. The display unit includes a display surface for displaying an image. The first optical member includes a first reflective surface for reflecting rays of light constituting the image. The second optical member includes a second reflective surface for reflecting rays of light reflected from the first reflective surface to form a virtual image in a target space. An angle of view in a length direction of an available area for display of the virtual image with regard to a point of view position for the virtual image is denoted by ? [deg]. A length of the display surface is denoted by W [mm]. W is equal to or greater than a prescribed value given by 12.0×??26.6. ? is equal to or greater than 8.0.

Abstract: A relay lens system forms an image displayed on an image display unit as an intermediate image. A luminous flux of the image emitted from the relay lens system reflected by a half mirror is incident to a curved combiner, and the combiner reflects the incident luminous flux to the half mirror to enable an observer to observe a virtual image through the half mirror. The relay lens system forms the intermediate image at an intermediate image forming position on an optical axis before a light reflected by the half mirror is incident to the curved combiner. The distance from the optical axis of the curved combiner to a light emission surface of the relay lens system is shorter than or equal to the distance from the optical axis of the curved combiner to a maximum reflection position.

Abstract: A head-up display apparatus may include: a mirror; a housing installed on one side of the mirror; a drive unit installed in the housing; a barrel cam rotatably installed in the housing and coupled to the drive unit so that the barrel cam is rotated by the drive unit, with a cam groove formed in the barrel cam and inclined relative to an axial direction of the barrel cam; and a mirror link coupled to the mirror, and configured to move along the cam groove to rotate the mirror when the barrel cam rotates.

Abstract: In an embodiment, a computer-implemented method of detecting infected objects from large field-of-view images is disclosed. The method comprises receiving, by a processor, a digital image capturing multiple objects; generating, by the processor, a plurality of scaled images from the digital image respectfully corresponding to a plurality of scales; and computing a group of feature matrices for the digital image. The method further comprises, for each of the plurality of scaled images. selecting a list of candidate regions from the scaled image each likely to capture a single object; and for each of the list of candidate regions, performing the following steps: mapping the candidate region back to the digital image to obtain a mapped region; identifying a corresponding portion from each of the group of feature matrices based on the mapping; and determining whether the candidate region is likely to capture the single object infected with a disease based on the group of corresponding portions.

Abstract: A light emission apparatus comprises a light source that emits coherent light, a light modulation unit, a reflector, and a first light reception part. The reflector comprises a first reflection surface that is a part of a spherical surface and a second reflection surface that is different from the first reflection surface. Modulated light modulated by the light modulation unit is incident on the first reflection surface and its reflected light is emitted to an object. Unmodulated light that is not modulated by the light modulation unit and is reflected from the light modulation unit is incident on the second reflection surface and its reflected light is received by the first light reception part.

Abstract: A virtual image display device includes: a display unit that generates an image display light by modulating an illumination light; and a projection optical system that includes at least a concave mirror for reflecting the image display light toward a virtual image presentation plate. The display unit is provided at a position nearer a focal point within a meridional plane of a composite optical system formed by the virtual image presentation plate and the projection optical system than a focal point within a sagittal plane of the composite optical system.

Abstract: A head-mounted display device includes a transparent display for projecting light toward an eye so that images, rendered based at least on the augmented reality contents and a color profile of the wearer, for overlap with real images. The device also includes an infrared light source and a mirror configured to reflect the infrared light and transmit a portion of visible light corresponding to the real images. The device further includes a sensor configured to detect infrared light reflected from the eye for determining a gaze direction of the eye. The infrared light reflected from the eye is transmitted through the transparent display and reflected by the mirror toward the sensor.

Abstract: The present invention relates to an embedded head-up display device, which includes a device body, an image projection module, a convex mirror, a plane mirror and a concave mirror, which is provided to make good use of limited space in vehicles, the device body is provided to be embedded in a dashboard of a vehicle, a display image is enlarged without being bent and deformed by using the concave mirror, the convex mirror and the plane mirror, to thereby lengthen light paths for a further virtual image distance, to provide drivers with optimized visual effects, to thereby improve driving safety.

Abstract: A head-mounted display (HMD) contains an oscillating electronic display, an optics block, a controller, and an optional eye tracking system. The oscillating electronic display vibrates according to instructions in a manner that allows it to correct optical errors, including vergence-accommodation conflict, field curvature, fixed pattern noise, and chromatic aberration. The oscillating electronic display is configured to emit image light by oscillating through different positions along an optical axis. The optics block is configured to direct the emitted image light to an eyebox. The controller is configured to determine and provide instructions to the oscillating electronic display. These instructions include instructions specifying the amplitude and frequency of vibration as well as instructions specifying a plurality of specific sub-pixels on the display surface to activate. The eye tracking system provides eye tracking information to the controller.

Abstract: An infrastructure-device status-verification system suitable for use by an automated vehicle includes a transceiver, an object-detector, and a controller. The transceiver is suitable to install on a host-vehicle. The transceiver is used to receive an indicated-status of an infrastructure-device. The object-detector is suitable to install on the host-vehicle. The object-detector is used to determine a detected-status of the infrastructure-device. The controller is in communication with the transceiver and the object-detector. The controller determines a confirmed-status of the infrastructure-device based on the indicated-status and the detected-status. The system provides for increased confidence and security regarding information about the status of an infrastructure-device such as the traffic-signal (e.g.

Abstract: A head-up display device reflects a display light on a projection member to display a virtual image. A light condensing unit causes condensation and collimates an illumination light from a light source unit. A liquid crystal element includes forms an image illuminated with the illumination light. The liquid crystal element emits the display light of the image in a light flux form in an emission direction corresponding to an incident direction of the illumination light. A positive optical element has a positive refractive power. A negative optical element has a negative refractive power. Both of the optical elements are located on the optical path and guide the display light from the liquid crystal element toward the projection member to enlarge a virtual image. The negative optical element on the optical path is located closer to the liquid crystal element than the positive optical element.

Abstract: A display system for creating a multiplane display. The display system includes a viewing space for viewers. The display system includes a convex screen and a mirror element spaced apart from the convex screen to provide a collimated display. The mirror element is both reflective and transmissive of light, and a fraction of light from the convex screen that strikes a front concave surface of the mirror element is reflected into the viewing space. The convex screen and the front concave surface of the mirror element are each shaped to have an optical prescription defined for a collimated display whereby light reflected into the viewing space is collimated to provide variable depth imagery. The display system includes a background space behind the mirror element, and light from the background space from projection screens and illuminated objects is transmitted through the mirror element to viewers in the viewing space.

Abstract: An image processing device processes an image captured by at least one image-capturing device including a lens which has characteristics of including an inflection point of a change rate of an incidence angle per image height with respect to the incidence angle at a predetermined inflection point incidence angle. The image processing device includes a resolution adjustment unit that adjusts resolution of an inflection point correspondence image area corresponding to the predetermined inflection point incidence angle and resolution of at least one of an inside image area positioned more inside than the inflection point correspondence image area and an outside image area positioned outside of the inflection point correspondence image area.

Abstract: A stabilization arrangement (10) for stabilizing an antenna mast (3), comprising an antenna mast (3) and a gyroscopic stabilizer device (12), wherein the gyroscopic stabilizer device (12) in turn comprises a flywheel (11), a flywheel axis (14), wherein the flywheel (11) is arranged about the flywheel axis (14), and a gimbal structure (13), wherein the flywheel (11) is suspended in the gimbal structure (13) and the gimbal structure (13) is configured to permit flywheel precession or tilting about at least one gimbal output axis (16). The gyroscopic stabilizer device (12) is fixedly arranged in connection to a first end portion (31) of the antenna mast (3) and the antenna mast (3) is fastenable to a supporting structure at a second end portion (32) of the antenna mast (3), wherein the gyroscopic stabilizer device (12) is configured to reduce movements in a plane perpendicular to the extension of the antenna mast (3).

Abstract: An optical system for a head-worn computer includes an upper optical module adapted to convert illumination into image light by illuminating a reflective display through a field lens, wherein the image light is transmitted back through the field lens, then through a partially reflective partially transmissive surface and into a lower optic module adapted to present the image light to an eye of a user wearing the head-worn computer and the upper optical module being positioned within a housing for the head-worn computer and having a height of less than 24 mm, as measured from the reflective display to the bottom edge of the rotationally curved partial mirror.

Abstract: The present disclosure provides for an optical element useful in an optical device for illuminating the pupil of an eye, particularly for use with a head mountable display that can include eye-tracking. The optical device includes a light source and an optical element that transmits light, where light emitted from the light source is directed by the optical element toward the pupil of the eye, and attributes of the eye can then be detected by an optical sensor such as a camera. The light source can emit infrared light that is not visible to the human eye, so that world view images and/or combined digital images of the head-mountable display are not compromised.

Abstract: A user-worn eye-tracking device, method, and system. The eye-tracking device may have an outward appearance resembling standard eyeglasses or sunglasses, and may also comprise a built-in wireless transceiver and an optional optical display. In addition to eye-tracking, the device can allow the user to inconspicuously transmit data by a process in which the user simply moves his or her eyes and/or optionally gazes at various internal or external display targets. The device's eye tracking system and software track the motion and gaze of the user's eyes, and convert this gaze into eye-position data and/or message symbols and system control commands. The device then transmits any of the resulting eye position data, commands or messages using its transceiver. In a preferred embodiment, the device is self-contained and operates, when placed on the user's head, without the need of external battery packs or external transceivers.

Abstract: A head-mounted display device includes a transparent display for projecting light toward an eye so that images rendered based on the augmented reality contents overlap with real images. The device also includes a mirror configured to reflect infrared light and transmit a portion of visible light corresponding to the real images, and an infrared light source configured to emit infrared light, which is reflected by the mirror toward the transparent display and transmitted through the transparent display toward the eye. The device further includes a sensor configured to detect infrared light reflected from the eye for determining a gaze direction of the eye. The infrared light reflected from the eye is transmitted through the transparent display and reflected by the mirror toward the sensor. In some embodiments, the device includes a lens for transmitting the projected light, the infrared light, and the visible light.