Abstract: A head worn display for displaying a displayed image overlaid onto a see-through view of a surrounding environment that includes multiply folded optics, includes a solid prism with at least one optically powered surface and a planar surface that provides a first internal fold of an optical axis of an image light associated with the displayed image, a combiner that provides a second fold the optical axis associated with the image light and wherein a flat plate reflector is bonded to the planar surface of the solid prism to provide a flat reflective surface to the solid prism.

Abstract: A see-through head or helmet mounted display device (10) comprises a see-through member (18) having a see-through area (22). The see-through member (18) includes a plurality of display segments (20; 20a, 20b) for emitting visible light. The plurality of display segments (20; 20a, 20b) is provided within the see-through area (22) in a mutually spaced manner such that the see-through area (22) includes a see-through zone (24) between each pair of adjacent display segments (20; 20a, 20b). The see-through zone (24) allows visible light to pass through the see-through member (18). The see-through member (18) further includes a plurality of holographic optical elements (26; 26a, 26b) provided within the see-through area (22). Each holographic optical element (26; 26a, 26b) is associated with a respective display segment (20; 20a, 20b).

Abstract: A head-up display system and method are provided that suppress double images from a combiner by eliminating or reducing a reflection of a refracted image from the back surface of the combiner. The combiner contains a tilted axis polarizing structure that attenuates transmittance and subsequent reflection of a refracted polarized projector image but maintains high transmittance for the forward external scene imagery.

Abstract: A system and method for a head up display (HUD) can mitigate glare. The head up display can include a waveguide combiner including an input grating and an output grating and a glare mitigator disposed to prevent glare through the output grating from reaching an eye box. The glare mitigator can be a shade, a diffuser, a dimming element, or other device for mitigating glare. The glare mitigator can be an active or passive glare mitigator.

Abstract: During the manufacturing of the light guide device (20), the first and second bonding ribs (R1,R2) are used such that the light guide prism (10) and the opposing prism (50) are connected with each other from a specific offset direction. In this case, a difference between sizes of clearances between the first bonding surface (AS) and the second bonding surface (BS) caused by a difference in inclination angles of the offset direction with respect to the first bonding surface is used such that a flow direction of the adhesive is controlled and filling is performed in a desire state, and thus high accuracy of the joint formed by the adhesive is maintained.

Abstract: Disclosed is a flat panel display device having a display panel and a back light unit in which the back light unit may, for example, include a base film having a width and a length and including a high refractive film and a low refractive film on the high refractive film; a first incident pattern at a one side of a first surface of the base film; a reflective pattern on the first surface of the base film at an opposite side spaced apart from the one side with a distance substantially corresponding to the length of the first surface of the base film and substantially covering the width of the first surface of the base film; a light radiating pattern on a second surface of the base film; and a light source spaced apart from the first incident pattern with a first focal length and providing an incident light to the first incident pattern.

Abstract: A card 1 includes: a card substrate 10; a transparent hologram layer 20 on a part of the substrate 10; and a surface layer 30 comprising a print layer 40 on the substrate 10 and the layer 20, is formed by a transparent material, and is printed with a color similar to the upper surface of the substrate 10. When a card surface 1a is viewed from the normal line, the layer 40 has the same color shading compared to the upper surface of the substrate 10, at the edge portion 22 of the layer 20. The layer 40 includes a gradation portion 43 wherein the color is gradually lighter from an outer edge portion 43a at the inner side of the edge portion 22 of the layer 20 toward the inner portion, a window portion 44 is formed at an image 21 portion of the layer 20.

Abstract: Methods for managing content within an interactive augmented reality environment are described. An augmented reality environment may be provided to an end user of a head-mounted display device (HMD) in which content (e.g., webpages) may be displayed to the end user using one or more curved slates that are positioned on a virtual cylinder that appears body-locked to the end user. The virtual cylinder may be located around the end user with the end user positioned in the middle of the virtual cylinder such that the one or more curved slates appear to be displayed at the same distance from the end user. The position and size of each of the one or more curved slates may be controlled by the end user using head gestures and a virtual pointer projected onto the virtual cylinder.

Abstract: A near-eye display includes an image generator that generates angularly related beams over a range of angles for forming a virtual image and a waveguide that propagates the angularly related beams over a limited range of angles. An input aperture of the waveguide includes a plurality of controllable components that are selectively operable as diffractive optics for injecting subsets of the angularly related beams into the waveguide. An output aperture of the waveguide includes a plurality of controllable components that selectively operable as diffractive optics for ejecting corresponding subsets of the angularly related beams out of the waveguide toward an eyebox. A controller synchronizes operation of the controllable components of the output aperture with the propagation of different subsets of angularly related beams along the waveguide for ejecting the subsets of angularly related beams out of the waveguide for presenting the virtual image within the eyebox.

Abstract: A head-up display apparatus includes a projector that projects a laser beam and a screen including a plurality of optical elements that are arranged in a grid pattern. The screen diffuses the laser beam, which has entered into the plurality of optical elements from the projector, toward the projection plane. Each of the plurality of optical elements has a curved surface formed into a convex or a concave shape on an outside surface of the screen. One of the plurality of optical elements has a thickness at a curvature center point that is different from that of the other of the plurality of optical elements immediately adjacent to the one of the plurality of optical elements.

Abstract: An optical element for a Head Mounted Display (“HMD”) includes a lightguide. The lightguide is embedded in the optical element and optically coupled to receive display light and direct the display light in an eyeward direction. The lightguide includes an eyeward hologram, a scene-side hologram, and a propagation region disposed between the eyeward hologram and the scene-side hologram. The eyeward hologram is configured to reflect a wavelength range of the display light that is incident upon the eyeward hologram at a specific angle. The scene-side hologram is configured to reflect the wavelength range of the display light that is incident upon the scene-side hologram at the specific angle.

Abstract: Aspects of the present invention relate to optical systems in head worn computing.

Abstract: An optical guidance device for optical guidance of a light beam has a first part, in a transparent material, adapted for propagating the light beam by successive reflections. This first part comprises an extraction section comprising at least one microstructure comprising a plane surface adapted to enable the rays of the light beam striking the plane surface to emerge from the guidance device. The device also comprises a second part, in a material substantially identical to that of the first part, comprising a section comprising at least one microstructure with a shape complementary to that or those of the extraction section. The device also has a layer of adhesive assembling the first and second parts in such a way that any microstructure of the extraction section is separated from its complementary microstructure by a transparent medium of substantially constant thickness.

Abstract: Methods and systems are described herein which produce polarization-independent full color images suitable for rear-projection television sets and other multimedia displays. The system uses illumination with R, G, B light from two different light sources for each color. A viewer wears glasses with narrowband optical filters, preferably holographic filters. The R, G, B light from the light sources is slightly offset at each of the 3 emission wavelengths, with one set of R, G, B light being filtered by the holographic filter in front of the left eye of the, and the other set of R, G, B light being filtered by the holographic filter in front of the viewer's right eye.

Abstract: Embodiments of the disclosure describe an on-head detection technique for an HMD that includes an optical sensor positioned to detect light reflected from at least one of a face of a user or a lens worn by the user. A flexible frame assembly supports an image source and further supports the optical sensor relative to the face or the lens when worn by the user. The flexible frame assembly flexes such that the optical sensor moves closer to at least one of the face or the lens when the HMD is worn by the user. Embodiments determine whether the user is wearing the HMD based on optical sensor data output from the optical sensor.

Abstract: Aspects of the present invention relate to optical systems in head worn computing.

Abstract: An apparatus for generating and displaying a projected digital image includes an actuator, a holographic encoded medium with a holographic pattern, a light source, and a controller. The holographic encoded medium is disposed in operable communication with the actuator. The light source is configured to produce a coherent light disposed in optical communication with the holographic encoded medium. The controller is operable to control synchronization of the coherent light from the light source with a position of the holographic encoded medium as driven by the actuator to produce the projected digital image on a projection surface based on directing the coherent light to different portions of the holographic pattern at different times.

Abstract: A display system, including: a vehicle windshield; a projector located on the side of a first surface of the windshield and arranged to enable to project an image in the windshield, towards a second surface of the windshield opposite to the first surface, so that the angles of incidence of the rays projected on the second surface are greater than the limiting angle of total reflection of the light on the second surface; and a transmissive diffuser coating an area of the first surface located on the path of the projected rays after at least one reflection on the second surface.

Abstract: The technology provides for adjusting a see-through, near-eye, mixed reality display device for alignment with an inter-pupillary distance (IPD) of a user by different examples of display adjustment mechanisms. The see-through, near-eye, mixed reality system includes for each eye a display optical system having an optical axis. Each display optical system is positioned to be seen through by a respective eye, and is supported on a respective movable support structure. A display adjustment mechanism attached to the display device also connects with each movable support structure for moving the structure. A determination is automatically made as to whether the display device is aligned with an IPD of a user. If not aligned, one or more adjustment values for a position of at least one of the display optical systems is automatically determined. The display adjustment mechanism moves the at least one display optical system in accordance with the adjustment values.

Abstract: The image display apparatus includes an observation optical system including first and second optical elements which respectively introducing first and second light fluxes from first and second image-forming elements to first and second exit pupils, and a relay optical system. The relay optical system causes third and fourth light fluxes from the second and first image-forming elements to form intermediate images and introducing them to the first and second optical elements. The observation optical system displays images corresponding to the first and second original images in mutually different viewing angle areas by introducing the first and third light fluxes to the first exit pupil through the first optical element, and displays images corresponding to the second and first original images in mutually different viewing angle areas by introducing the second and fourth light fluxes to the second exit pupil through the second optical element.

Abstract: An image display apparatus includes at least one light source to emit coherent light, a holographic optical element to diffract the coherent light from the light source to produce image light, an optical mechanism to guide the image light from the holographic optical element, at least one detection unit to detect the intensity of the image light, and an adjustment unit to adjust the power of the light source based on the result of detection by the detection unit. An image based on the image light is observed by a viewer.

Abstract: A wearable computing system may include a head-mounted display (HMD) and an optical system with a display panel configured to generate images. The optical system may include an optical element that is adjustable between at least a first configuration and a second configuration. When the optical element is in the first configuration, the images generated by the display panel are viewable at an internal viewing location. When the optical element is in the second configuration, the images generated by the display panel are projected externally from the HMD. For example, the location, refractive index, reflectance, opacity, and/or polarization of the optical element could be adjusted.

Abstract: A HUD device includes a stepper motor, which rotates a reflection mirror for adjusting a display position of a virtual image. The stepper motor has an electric stabilization point and a mechanical stabilization point. A control system controls a drive signal for the stepper motor to change by a step angle at every predetermined period Ts in response to an adjustment instruction inputted from an adjustment switch. The control system continues to apply the drive signal until the electric stabilization point is attained even after the adjustment instruction is stopped to operate the stepper motor in a powered rotation mode. The stepper motor then operates in an inertia rotation mode toward the mechanical stabilization point is attained.

Abstract: A projection display 210 arranged to display an image to an observer 212 use waveguide techniques to generate a display defining a large exit pupil at the point of the observer 212 and a large field of view, while using a small image-providing light source device. The projection display 210 uses two parallel waveguides 214, 216 made from a light transmissive material. One waveguide 214 stretches the horizontal pupil of the final display and the other waveguide 216 stretches the vertical pupil of the final display and acts as a combiner through which the observer 212 views an outside world scene 220 and the image overlaid on the scene 220. In a color display, each primary color is transmitted within a separate channel R, G, B.

Abstract: A holographic weapon sight folds for storage or to position where a portion of the sight is out of the way when not in use. Certain embodiments include a readout beam source mounted to the stationary base of the sight and the source directly illuminates a hologram plate supported in a pivotally mounted hologram support when the sight is in a position intended for use.

Abstract: An optical head-mounted display includes an eyeglass frame, a holographic optical element supported by the eyeglass frame to be confronted by an eye of a wearer, and a projector mounted on the eyeglass frame to project image information on the holographic optical element. The projector includes a LED light source, a beam-splitting polarizer, a spatial light modulator, a lens set and a mechanical one-dimensional scanner. The mechanical one-dimensional scanner reflects the transformed light beam from the lens set onto the holographic optical element in one dimension at a time. When the reflective sheet is rotated at a range of angle in a brief moment of time, the holographic optical element receives from the rotating reflective sheet an array of one-dimensional modulated light beams and reflects the latter to form a two-dimensional image in the eye because of persistence of vision.

Abstract: The technology provides various embodiments for gaze determination within a see-through, near-eye, mixed reality display device. In some embodiments, the boundaries of a gaze detection coordinate system can be determined from a spatial relationship between a user eye and gaze detection elements such as illuminators and at least one light sensor positioned on a support structure such as an eyeglasses frame. The gaze detection coordinate system allows for determination of a gaze vector from each eye based on data representing glints on the user eye, or a combination of image and glint data. A point of gaze may be determined in a three-dimensional user field of view including real and virtual objects. The spatial relationship between the gaze detection elements and the eye may be checked and may trigger a re-calibration of training data sets if the boundaries of the gaze detection coordinate system have changed.

Abstract: A Head Up Display can be utilized to find light from an energy source. The Head Up Display includes a first waveguide having a first input coupler and a first output coupler. The Head Up Display can also include a second waveguide having a second input coupler and a second output coupler. The first waveguide has a first major surface and the second waveguide has a second major surface, which are disposed approximately parallel to each other. The first waveguide and the second waveguide are positioned as a combiner and allowing viewing an outside feed and information from an image source. The first input coupler diffracts light in the first field of view into the first waveguide and light in a second field of view reaches the second input coupler and is diffracted into the second waveguide.

Abstract: A heads-up display associated with a user manipulated object in a gaming environment, particularly a racing game. According to one aspect the heads-up display may reduce the distance a user's eye travels between a focal area and the heads-up display.

Abstract: A headup display device includes a driving mirror configured to reflect a display light irradiated from an indicator to guide the reflected display light to a windshield of a vehicle. The driving mirror includes a base plate fixed to a bottom surface of a casing, a pair of opposite support plates which are upright on the base plate, a holder pivotally supported by the opposite support plates, a reflective mirror held by the holder, a driving motor configured to pivot the holder to change an angle of the reflective mirror, and a positioning projection provided on the support plate and protruding in a mounting direction of the base plate to the bottom surface of the casing. A holding recessed portion is formed on the casing to allow an insertion of the positioning projection therein and hold the positioning projection at a predetermined position.

Abstract: An image display apparatus includes an image forming device having pixels; a collimating optical system collimating light from the image forming device; and an optical device receiving, guiding, and outputting the collimated light as directional rays in different directions. The optical device includes a light-guiding plate; a first optical member reflecting or diffracting the light so as to totally reflect the light inside the light-guiding plate; and a second optical member causing the propagated light to emerge from the light-guiding plate. When a light ray emitted from a pixel located farthest from the center of the image forming device and a light ray emitted from a pixel located at the center of the image forming device pass through a front nodal point of the collimating optical system and are respectively incident on the collimating optical system and the light-guiding plate at angles ?1 and ?2, ?2>?1 is satisfied.

Abstract: A portable device according to one embodiment of the present specification includes a camera unit configured to capture a surrounding image located in a front direction of the portable device, a display unit configured to display an image, and a processor configured to control the camera unit and the display unit, the processor is further configured to detect at least one of a predefined stationary object and a predefined moving object, if the moving object is detected, display a second augmented reality image corresponding to the moving object and countdown a second timer corresponding to the second augmented reality image, detect a movement of the moving object, if the movement of the moving object is detected before the second setting time of the second timer elapses, adjust the second timer.

Abstract: Methods and systems for determining an individual gaze value are disclosed herein. An exemplary method involves: (a) receiving gaze data for a first wearable computing device, wherein the gaze data is indicative of a wearer-view associated with the first wearable computing device, and wherein the first wearable computing device is associated with a first user-account; (b) analyzing the gaze data from the first wearable computing device to detect one or more occurrences of one or more advertisement spaces in the gaze data; (c) based at least in part on the one or more detected advertisement-space occurrences, determining an individual gaze value for the first user-account; and (d) sending a gaze-value indication, wherein the gaze-value indication indicates the individual gaze value for the first user-account.

Abstract: An optical unit (1) for augmented vision and augmented reality, which is to be placed in front of an eye of a user of the unit, includes a transparent or semitransparent screen (3), preferably a P-LED or TO-LED screen, and a unit (4) for collimating an image emitted by the screen toward the eye of the user, the collimating unit being a DOE, preferably an HOE, and the convergence function of the collimating unit being effective at a wavelength (FS) emitted by the screen.

Abstract: A head-up display device includes an indicator configured to emit a display light, a lower casing to which the indicator is mounted, an upper casing which is mounted to an upper portion of the lower casing, a pair of support portions which are provided on the lower casing and extend toward the upper casing, guide grooves which are formed on the support portions at opposite sides thereof, and a reflective mirror which is inserted and mounted to the lower casing toward a bottom surface of the lower casing while both lateral edges of the reflective mirror are engaged with the guide grooves, to reflect the display light emitted from the indicator and guide the reflected display light to a windshield of a vehicle.

Abstract: A stereoscopic display device and a control method thereof are disclosed. A liquid crystal display (LCD) panel of the stereoscopic display device is configured to display left-eye frames and right-eye frames alternately. Each of the left-eye frames includes a left-eye sub-frame and a black sub-frame that are displayed by a first display region and a second display region alternatively. Each of the right-eye frames includes a right-eye sub-frame and a black sub-frame that are displayed by the first display region and the second display region alternately. The backlight module includes a first backlight and a second backlight.

Abstract: Methods and systems are disclosed for controlling the focus depth of a 2D projected image on a pixel by pixel basis or on a region by region basis to create a 3D projected image that may be used for a heads up display (HUD) for augmented reality applications. The 3D projected image may be overlaid or combined with a 3D real world view using multiple reflective LCD arrays. The multiple reflective LCD arrays may receive a 2D projected image and may generate different length optical paths that may add depth to the 2D projected image to create a 3D projected image. The 3D projected image may be combined with the real world 3D image to create a 3D image encompassing a real world image and a 3D projection image that looks real and contains depth within the image.

Abstract: An aircraft optical display system for implementing an enhanced vision system based on light available within the flight deck of an aircraft. The display system includes a visible light imager configured to receive light within a spectral range defined by the photon transmissivity of windshield of the aircraft and generate image data. The system further includes a combiner configured to enable viewing of the world outside of the combiner, and allowing viewing of an enhanced vision image. The system yet further includes an image processing system configured generate an enhanced vision image representative of an external scene to the aircraft based at least in part on the image data from the visible light imager, wherein the enhanced vision image is conformally mapped onto the combiner.

Abstract: A head-up display device includes an indicator configured to emit a display light, a lower casing to which the indicator is mounted, an upper casing which is mounted to an upper portion of the lower casing, a pair of support portions which are provided on the lower casing and extend toward the upper casing, guide grooves which are formed on the support portions at opposite sides thereof, and a reflective mirror which is inserted and mounted to the lower casing toward a bottom surface of the lower casing while both lateral edges of the reflective mirror are engaged with the guide grooves, to reflect the display light emitted from the indicator and guide the reflected display light to a windshield of a vehicle.

Abstract: A transmissive display device includes: a light source which outputs light; a display part which receives the light from the light source and generates display light representing an image; a deflecting element which changes a direction of the display light emitted from the display part; and a transmissive reflector which reflects, towards a user, light of a wavelength included in the display light emitted from the display part, and transmits light of other wavelengths. An angle formed by a straight line, which extends between an upper edge of an incident area of the display light on the transmissive reflector and a lower portion of an eyebox which is defined as a visible range of the reflected light from the transmissive reflector, with respect to a horizontal line is smaller than a difference between an emission angle and an incident angle of the display light at the transmissive reflector.

Abstract: A virtual image display system includes a display device that outputs image light, a projection lens that projects the image light from the display device, a first holding member that holds the projection lens, a light guide plate that takes in the image light from the projection lens, and then, guides the light to an external predetermined position, and a second holding member that holds the light guide plate. A positioning structure for positioning the light guide plate with respect to the projection lens is provided in the first holding member and the second holding member.

Abstract: A head-mounted display (HMD) may include an eye-tracking system, an HMD-tracking system and a display configured to display virtual images. The virtual images may present an augmented reality to a wearer of the HMD and the virtual images may adjust dynamically based on HMD-tracking data. However, position and orientation sensor errors may introduce drift into the displayed virtual images. By incorporating eye-tracking data, the drift of virtual images may be reduced. In one embodiment, the eye-tracking data could be used to determine a gaze axis and a target object in the displayed virtual images. The HMD may then move the target object towards a central axis. The HMD may also record data based on the gaze axis, central axis and target object to determine a user interface preference. The user interface preference could be used to adjust similar interactions with the HMD.

Abstract: A display image to be projected onto a projection surface is formed on an imaging surface of a screen member at time of projecting the display image onto the projection surface. A projector is adapted to project a light, which forms the display image on the imaging surface. The imaging surface is formed as a convex surface that limits a curvature of field of the virtual image.

Abstract: The image display device includes an output unit which outputs an image information light including image information; and a hologram element on which the image information light is incident, and projects the image information light via the hologram element on a retina to make a user visually recognize an image. The hologram element includes a first hologram area and a second hologram area. A first image projected on the retina by a first image information light of the image information light via the first hologram area and a second image projected on the retina by a second image information light of the image information light via the second hologram area are different images.

Abstract: Embodiments related near-eye display devices having angularly multiplexed holograms are disclosed. One disclosed embodiment provides a near-eye display device including an image source, a waveguide, and a controller. The waveguide is configured to propagate light received the image source to a user of the near-eye display device, and includes a holographic grating comprising a plurality of angularly multiplexed holograms. The controller is configured to control display of an image via the image source.

Abstract: An image display device includes an image forming device, collimating optical system, and optical device, with the optical device including a light guide plate, first diffraction grating member and second diffraction grating member which are made up of a volume hologram diffraction grating, and with central light emitted from the pixel of the center of the image forming device and passed through the center of the collimating optical system being input to the light guide plate from the near side of the second diffraction grating member with a certain angle. Thus, the image display device capable of preventing occurrence of color irregularities, despite the simple configuration, can be provided.

Abstract: Methods and apparatus for displaying a near-focus one-dimensional marker on a head up display (HUD) such that the parallax disparity between the marker and a distant far-focus visual target is not apparent to a viewer looking at the visual target through the HUD. The one-dimensional marker is oriented at the same angle as the interocular line of the viewer's eyes, as captured by a digital camera facing the viewer. Additionally, a dashed one-dimensional marker is disclosed to reduce the visual noticeability of small inaccuracies in orientation.

Abstract: A three-dimensional holographic image display device and a method using the same are provided. Light corresponding to left and right eye holograms is emitted according to a time division method and divided into a first path and a second path. Active shutters operate substantially in synchronization with the emitted left and right eye holograms to provide images to a user's left and right eyes.

Abstract: A method is disclosed for providing a virtual image to a user in a Head-Mounted Display (HMD) device. The method includes detecting an ambient illumination, calculating a target transmissivity of window provided in the HMD device, based on the ambient illumination, adjusting a transmissivity of the window based on the calculated target transmissivity, and providing a virtual image to the user by projecting light to the window from a projector provided in the HMD device.

Abstract: An image display apparatus for a viewer to view a two-dimensional image demonstrated on an image display device as an enlarged virtual image by a virtual-image optical system. The image display apparatus includes a prism and a reflective transmitting surface for reflecting or transmitting image light incident from an incident optical surface. The image display apparatus also includes a reflective optical component for reflecting image light reflected from the reflective transmitting surface and radiated from a first planar optical surface towards the reflective transmitting surface as a collimated light beam and a phase difference optical component arranged on a light path between the first planar optical surface and the reflective optical component to the state of polarization of the image light.