Class / Patent application number | Description | Number of patent applications / Date published |
359013000 | Head up display | 36 |
20080239422 | JOINED OPTICAL MEMBER, IMAGE DISPLAY APPARATUS, AND HEAD-MOUNTED DISPLAY - In a joined optical member, let the adhesion strength between a surface coating layer and an eyepiece prism be A | 10-02-2008 |
20080297866 | HOLOGRAM OPTICAL ELEMENT, FABRICATION METHOD THEREOF, AND IMAGE DISPLAY APPARATUS - A volume-phase reflection hologram optical element is fabricated by exposing a hologram photosensitive material to two coherent light beams. One exposure light beam has an axis-asymmetric wavefront, and the other exposure light beam has focus points different in the optical axis direction (Z-direction) between on a plane (ZX-plane) including one of two directions (X- and Y-directions) mutually perpendicular on a sectional plane perpendicular to that light beam and on a plane (YZ-plane) including the other of those two directions. Thus, an image display apparatus is realized in which at the time of reproduction, the component of a predetermined wavelength of the image light diffraction-reflected by the hologram optical element is focused at positions different in the optical axis direction between on the ZX-plane and on the YZ-plane, offering different image viewing characteristics between in the X- and Y-directions. | 12-04-2008 |
20090141324 | IMAGE DISPLAY DEVICE - 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. | 06-04-2009 |
20090147331 | NEAR EYE DISPLAY SYSTEM - A near eye image display system includes an image projector, a beam combiner assembly, and an optical assembly, optically coupled between the image projector and the beam combiner assembly The image projector projects a display image toward an optical pathway, the optical pathway intersecting a viewing axis, the viewing axis extending from the eye of a user to an ambient scene The beam combiner assembly includes a plurality of beam combiners optically cascaded along the optical pathway, each of the beam combiners being disposed diagonally to the optical pathway and diagonally to the viewing axis Each of the beam combiners is arranged such that for each two adjacent beam combiners, the first of the adjacent beam combiners is optically located between the second of the adjacent beam combiners and the image projector The geometrical projection of the second beam combiner onto a first plane perpendicular to the optical pathway, is subsumed within the geometrical projection of the first beam combiner onto the first plane Each of the beam combiners is further arranged such that the partial geometric projection of each of the beam combiners onto a second plane perpendicular to the viewing axis forms a continuous geometric projection, the optical assembly directing display light of the display image from the image projector toward the beam combiner assembly along the optical pathway Each of the beam combiners reflects the display light toward the eye, and further directs ambient light emerging from the ambient scene toward the eye, thereby superimposing the display image onto the ambient scene. | 06-11-2009 |
20090168131 | IMAGE DISPLAY APPARATUS AND HEAD-MOUNTED DISPLAY - Provided is an image display apparatus that has resistance to dust and water, that is compact and lightweight, and that has see-through characteristics. The image display apparatus is provided with a display device displaying an image, a prism guiding light of the image displayed by the display device to an optical pupil, and transmitting outside light such that an outside world can be viewed therethrough, and an enclosure housing and holding the display device and part of the prism. Here, a first sealing member is provided so as to make contact with a part around the prism where image light is not reflected and with the enclosure. | 07-02-2009 |
20100157400 | Holographic Substrate-Guided Wave-Based See-Through Display - A holographic substrate-guided wave-based see-through display can has a microdisplay, capable of emitting light in the form of an image. The microdisplay directs its output to a holographic lens, capable of accepting the light in the form of an image from the microdisplay, and capable of transmitting the accepted light in the form of an image. The holographic lens couples its output to an elongate transparent substrate, capable of accepting the light in the form of an image from the holographic lens at a first location, and transmitting the light in the form of an image along a length of the substrate by total internal reflection to a second location spaced from the first location, the elongate substrate being capable of transmitting the accepted light in the form of an image at the second location. The substrate couples out what it receives to a transparent holographic grating, capable of accepting the light transmitted from the elongate substrate and transmitting it to a location outside of the holographic grating as a viewable image. | 06-24-2010 |
20100188720 | Light source apparatus and head-up display apparatus incorporating the light source apparatus - A light source apparatus emits light image information. A reflective layer is formed on a planarization film formed on a metal substrate. LED thin films are arranged in a matrix having columns extending in first directions and rows extending in second directions perpendicular to the first directions, the LED thin films being bonded to the reflective layer by means of intermolecular force. First wires are connected to first electrodes of the LED thin films. Second wires are connected to second electrodes of the LED thin films. A first driver circuit selectively electrically drives the LED thin films, arranged in the rows, via the plurality of first wires. A second driver circuit selectively electrically drives the LED thin films, arranged in the rows, via the plurality of second wires. | 07-29-2010 |
20110164294 | IMAGE DISPLAY DEVICE, HEAD-MOUNTED DISPLAY AND HEAD-UP DISPLAY - Light outputted from a laser light source ( | 07-07-2011 |
20110199661 | COCKPIT FOR AN AIRCRAFT - The invention relates to a cockpit for an aircraft, particularly for a helicopter, with transparent extensions ( | 08-18-2011 |
20120069413 | NEAR-EYE DISPLAY WITH ON-AXIS SYMMETRY - A near-eye display projects virtual images from an image generator to an eyebox within which the virtual images can be seen by a viewer. A first optical path conveys image-bearing light from the image generator to a selectively reflective powered optic and a second optical path conveys the image-bearing light along a line of sight from the selectively reflective powered optic to the eyebox. First and second selectively reflective surfaces fold the first optical path with respect to the second optical path to locate the image generator out of the line of sight to the eyebox. The image generator is effectively inclined to the line of sight to the eyebox for reducing a thickness of the near-eye display. The selectively reflective powered optic is oriented normal to local overlapping portions of the first and second optical paths at the selectively reflective powered optic. | 03-22-2012 |
20120162734 | EMBOSSED REFLECTIVE VOLUME PHASE GRATING FOR A HEADS UP DISPLAY SYSTEM DIFFRACTIVE COMBINER - A heads up display (HUD) system that includes a light source configured to project an image, and a diffractive combiner. The diffractive combiner includes one or more reflective volume phase gratings (RVPG), each configured to reflect light from the light source having a distinct wavelength toward a HUD viewer. Each RVPG is also embossed with a pattern configured to diffract light at the distinct wavelength so the HUD viewer can see an image in a field of view that passes through the diffractive combiner. By forming a diffractive combiner with an RVPG embossed with a particular pattern, the occurrence of rainbow artifacts on the surface of the diffractive combiner caused by random sources of light is reduced. | 06-28-2012 |
20130182302 | SEE-THROUGH DISPLAY DEVICE AND VEHICLE HAVING SEE-THROUGH DISPLAY DEVICE MOUNTED THEREON - The present application discloses a see-through display device a light source configured to emit light, a projection optical system configured to project image light generated from the light; a transmissive hologram including a first surface which the image light enters from the projection optical system; and an interface configured to cause Fresnel reflection of the image light deflected by the hologram. The hologram includes a first interference fringe recorded by object light and reference light which are incident on the first surface by means of two-light flux interference. The image light incident on the first surface is deflected by the first interference fringe toward the interface. The interface reflects the image light toward the first surface. | 07-18-2013 |
20130250380 | VIRTUAL IMAGE DISPLAY APPARATUS - A virtual image display apparatus includes an organic EL device that outputs light having one kind of wavelength band, a light guide member, and a reflection-type volume hologram that is disposed on a first face of the light guide member and diffracts and reflects light of a predetermined wavelength band of the light that has entered. The organic EL device includes an optical resonance structure that causes the above-mentioned light of one-kind wavelength band to resonate. | 09-26-2013 |
20130258431 | INSTRUMENT CLUSTER FOR A MOTOR VEHICLE - An instrument cluster, in particular for a motor vehicle comprises a display screen to display information to the driver of the vehicle, a holographic memory containing the information stored in the form of holograms, and a light source to generate one or more reading light beams to extract the information to be displayed from the holographic memory and display the information extracted from the holographic memory on the display screen. A head-up display device is integrated in the instrument cluster and comprises a combiner that projects information extracted from the holographic memory into the head-up field of view of the driver. | 10-03-2013 |
20130265623 | COMPUTER GENERATED HOLOGRAM TYPE DISPLAY DEVICE - A display device includes: a light source; an illumination optical system; a diffraction pattern generation unit; a spatial modulation element that generates diffracted light; and a shielding unit that selectively enters a first state where a first and second partial areas are a transmitting and shielding areas, respectively, and a second state where the first and second partial areas are the shielding and transmitting areas, respectively. The spatial modulation element displays the fictive image on a first and second display areas corresponding to the first and second partial areas when the shielding unit is in the first and second states, respectively. The diffraction pattern generation unit generates a first and second portion diffraction patterns from an image in an area corresponding to the first and second display areas out of the original image when the shielding unit is in the first and second states, respectively. | 10-10-2013 |
20140111838 | METHOD FOR PROVIDING VIRTUAL IMAGE TO USER IN HEAD-MOUNTED DISPLAY DEVICE, MACHINE-READABLE STORAGE MEDIUM, AND HEAD-MOUNTED DISPLAY DEVICE - 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. | 04-24-2014 |
20140177017 | IMAGE DISPLAY DEVICE - 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. | 06-26-2014 |
20140313556 | PORTABLE AUGMENTED VISION DEVICE - An optical unit ( | 10-23-2014 |
20150029567 | FOLDING HOLOGRAPHIC SIGHT FOR A GUN - 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. | 01-29-2015 |
20150085332 | IMAGE DISPLAY APPARATUS - 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. | 03-26-2015 |
20150138614 | WINDSHIELD IMAGE DISPLAY SYSTEM - 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. | 05-21-2015 |
20150146270 | APPARATUS FOR DIGITAL PROJECTION USING HOLOGRAPHIC TECHNIQUES - 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. | 05-28-2015 |
20150293358 | See-through head or helmet mounted display device - A see-through head or helmet mounted display device ( | 10-15-2015 |
20150338660 | IMAGE DISPLAY APPARATUS, IMAGE GENERATING DEVICE, AND TRANSMISSIVE SPATIAL LIGHT MODULATING DEVICE - An image display apparatus | 11-26-2015 |
20150362735 | LIGHT BEAM EXPANDING DEVICE, IMAGE DISPLAY DEVICE, AND OPTICAL DEVICE - An image display device includes an image generating device, a light guide unit, and a light beam expanding device. The light guide unit includes a light guide plate, a first deflector, and a second deflector. The light beam expanding device expands a light beam incident from the image generating device along the Z direction and outputs the light beam to the light guide unit when the incident direction of light incident on the light guide plate is defined as the X direction and the propagation direction of light in the light guide plate is defined as the Y direction. The light beam expanding device is composed of a first reflective mirror on which light from the image generating device is incident and a second reflective mirror on which light from the first reflective mirror is incident and that outputs light to the light guide unit. | 12-17-2015 |
20160025982 | SMART TRANSPARENCY FOR HOLOGRAPHIC OBJECTS - A head mounted display (HMD) device is configured with a sensor package that enables head tracking to determine the device user's proximity to holographic objects in mixed reality or virtual reality environments. A fade volume including concentrically-arranged volumetric shells is placed around the user including a near shell that is closest to the user, and a far shell that is farthest from the user. When a holographic object is beyond the far shell, the HMD device renders the object with full opacity (i.e., with no transparency). As the user moves towards a holographic object and it intersects the far shell, its opacity begins to fade out with increasing transparency to reveal the background behind it. The transparency of the holographic object increases as the object gets closer to the near shell and the object becomes fully transparent when the near shell reaches it so that the background becomes fully visible. | 01-28-2016 |
20160033769 | HEAD-MOUNTED DISPLAY APPARATUS - A head-mounted display apparatus includes a display unit including a substrate and display elements, and an optical element. The substrate includes a plurality of display portions and a plurality of light-transmitting portions, and the display elements are on the plurality of display portions of the substrate. The optical element is in an optical path of light that is emitted from the display unit and has through-holes that respectively correspond to the plurality of light-transmitting portions. | 02-04-2016 |
20160124232 | OPTICAL ELEMENT, MANUFACTURING METHOD OF OPTICAL ELEMENT, OPTICAL DEVICE AND DISPLAY APPARATUS - A light-transmissive layer and a partially reflective layer are mutually laminated in a luminous flux diameter enlargement element. When manufacturing the luminous flux diameter enlargement element, a light-transmissive first substrate, on which a first reflective layer is formed on a first surface, a light-transmissive second substrate, on which a first partially reflective layer is formed on a first surface, and which is formed so as to have equivalent thickness to the first substrate, and a third substrate, on which a second reflective layer is formed on a first surface, are laminated toward the same direction as a lamination direction of the respective first surfaces. | 05-05-2016 |
20160147081 | ADJUSTABLE FOCAL PLANE OPTICAL SYSTEM - Disclosed herein are systems and techniques related to optical projection systems. In some examples, the system may include a scanning mirror arrangement for receiving a light beam and reflecting the light beam to a projection surface and a dynamic optical lens for focusing the light beam at points on a focal plane. Dynamic optical lens can be adjusted to focus the light beam on multiple points of the focal plane, where some of the points are disposed a different distance from the dynamic optical lens. | 05-26-2016 |
20160170215 | OPTICAL DEVICE, AND VIRTUAL IMAGE DISPLAY | 06-16-2016 |
20170235144 | HOLOGRAPHIC SEE-THROUGH OPTICAL DEVICE, STEREOSCOPIC IMAGING SYSTEM, AND MULTIMEDIA HEAD MOUNTED SYSTEM | 08-17-2017 |
20180024361 | METHODS AND DEVICES FOR DATA PROJECTION | 01-25-2018 |
20180024369 | Head-Mounted Display | 01-25-2018 |
20190146221 | OPTICAL DEVICE AND DISPLAY DEVICE | 05-16-2019 |
20220137413 | DISPLAY MODULE, ASSEMBLY METHOD FOR DISPLAY MODULE, AND VIRTUAL IMAGE DISPLAY APPARATUS - A display module includes a display element, a light-guiding optical system forming an exit pupil, and an optical member including a light incidence surface and a light emission surface. The light-guiding optical system is an eccentric optical system, and includes first and second incidence areas on which the image light emitted from the light emission surface is incident. The optical member is disposed, correcting an inclination of the light emission surface with respect to the light-guiding optical system such that an variation amount in an incidence angle of the image light with respect to the first incidence area, before and after the light emission surface is inclined, is greater than an variation amount in an incidence angle of the image light with respect to the second incidence area. | 05-05-2022 |
359014000 | Holograph on curved substrate | 1 |
20160041393 | Video Display Device And Head-Mounted Display - A video display device is provided with: a display element which modulates light from an illumination optical system, and displays video; and an ocular optical system for guiding video light from the display element into a pupil of an observer. The ocular optical system is provided with: an ocular prism which guides the video light therein; and a holographic optical element (HOE). The HOE is provided abutting the ocular prism, and is a volume-phase-type hologram which diffracts and reflects the video light guided inside the ocular prism. A surface of the ocular prism, said surface abutting the HOE, has a curvature of 0 in one direction, and has a curvature which is not 0 in a direction orthogonal to the one direction. The diffraction power of the HOE is not 0 in the one direction, and is 0 in the direction orthogonal to the one direction. | 02-11-2016 |