Class / Patent application number | Description | Number of patent applications / Date published |
359633000 | With additional reflector (e.g., serial reflections, etc.) | 82 |
20080273246 | Method of Manufacturing an Ophthalmic Lens for Providing an Optical Display - The invention relates to a method of manufacturing a vision correction lens that has a front face and a rear face, and into which light beams emitted by an optical element of a light beam generator system are introduced via an entry surface and directed towards the eye of the wearer to enable information content to be viewed, said light beams being reflected a plurality of times between two “reflection” faces between being introduced into the lens and exiting therefrom, said two reflection faces being faces of a transparent optical insert constituted by a light guide. According to the invention, said insert is completely contained within the lens. | 11-06-2008 |
20080285141 | High resolution head mounted projection display - An exemplary embodiment of the invention relates to an on-axis or near on-axis optical head mounted projection display optical assembly for transmitting and magnifying a real image to an eye. The assembly comprises a miniature display, a projection lens for receiving the light rays from the display, a second lens positioned to receive the light from the projection lens, a beam splitter positioned for receiving and splitting the light rays from the second lens, a retro-reflective screen positioned for receiving the reflected portion of the split light rays from the beam splitter, and then reflecting the portion of split light rays wherein the portion of split light rays passes through the beam splitter. A third lens is positioned to receive the portion of split light rays from the retro-reflective screen and through the beam splitter. | 11-20-2008 |
20090015929 | SUBSTRATE-GUIDED RELAYS FOR USE WITH SCANNED BEAM LIGHT SOURCES - Substrate-guided relays that employ light guiding substrates to relay images from sources to viewers in optical display systems. The substrate-guided relays are comprised of an input coupler, an intermediate substrate, and an output coupler. In some embodiments, the output coupler is formed in a separate substrate that is coupled to the intermediate substrate. The output coupler may be placed in front of or behind the intermediate substrate, and may employ two or more partially reflective surfaces to couple light from the coupler. In some embodiments, the input coupler is coupled to the intermediate substrate in a manner that the optical axis of the input coupler intersects the optical axis of the intermediate substrate at a non-perpendicular angle. | 01-15-2009 |
20090052047 | SUBSTRATE-GUIDED IMAGING LENS - There is provided an optical system, including a substrate having a major surface and edges, an optical element for coupling light into the substrate by total internal reflection, a reflecting surface carried by the substrate, a retardation plate and a reflecting optical element. The retardation plate is located between a portion of the major surface of the substrate and the reflecting optical element. | 02-26-2009 |
20090097127 | Light guide optical device - The invention provides an optical device, including a light-transmitting substrate, optical means for coupling light into the substrate by total internal reflection, and a plurality of partially reflecting surfaces carried by the substrate, characterized in that the partially reflecting surfaces are parallel to each other and are not parallel to any of the edges of the substrate. | 04-16-2009 |
20090122414 | Substrate-Guided Optical Device Utilzing Thin Transparent Layer - There is provided an optical device, including a light-transmitting substrate having two major surfaces and edges, an optical element ( | 05-14-2009 |
20090251788 | Optical Device for Use with Scanned Beam Light Sources - Substrate-guided relays that employ light guiding substrates to relay images from sources to viewers in optical display systems. The substrate-guided relays are comprised of an input coupler, an intermediate substrate, and an output coupler. In some embodiments, the output coupler is formed in a separate substrate that is coupled to the intermediate substrate. The output coupler may be placed in front of or behind the intermediate substrate, and may employ two or more partially reflective surfaces to couple light from the coupler. In some embodiments, the input coupler is coupled to the intermediate substrate in a manner that the optical axis of the input coupler intersects the optical axis of the intermediate substrate at a non-perpendicular angle. | 10-08-2009 |
20090279180 | HIGH BRIGHTNESS OPTICAL DEVICE - There is provided an optical device, composed of a display source ( | 11-12-2009 |
20100067118 | HEAD-UP DISPLAY APPARATUS - A head-up display apparatus having a structure capable of imaging a user, and enabling an eye position of the user to be accurately calculated is provided. The head-up display apparatus reflects visible light L emitted from display means | 03-18-2010 |
20100157433 | HEAD MOUNTED DISPLAY - Disclosed herein is a head mounted display including: an eyeglasses frame-like frame to be mounted onto an observer's head; and two image display devices, each of the image display devices including an image generating device, and light guide means which is mounted to the image generating device, which as a whole is located on the side of the center of an observer's face relative to the image generating device, on which beams emitted from the image generating device are incident, through which the beams are guided, and from which the beams are emitted toward an observer's pupil. | 06-24-2010 |
20100254018 | BEAM SEGMENTOR FOR ENLARGING VIEWING APERTURE OF MICRODISPLAY - A display platform orients a virtual image in alignment with a viewer's eye. A transmissive plate receives a light beam conveying the virtual image into the transmissive plate for propagation by internal reflection between inner and outer surfaces of the transmissive plate along the length of the transmissive plate. A plurality of reflective facets progressively interrupt the propagation of the light beam along the length of the transmissive plate for reflecting successive portions of the light beam in a direction for rendering the virtual image visible to the viewer. | 10-07-2010 |
20100254019 | UV LASER BEAMLETT ON FULL-WINDSHIELD HEAD-UP DISPLAY - An apparatus to project graphical images upon a substantially transparent windscreen head-up display of a vehicle includes an excitation light source projecting a laser beam based upon a graphical image command and a telescope for expanding the laser beam. The apparatus further includes a multi-mirror device including a plurality of mirrors sequentially irradiated by the expanded laser beam to simultaneously scan a plurality of laser beamlettes and the windscreen including a surface receiving the plurality of laser beamlettes, each of the received plurality of laser beamlettes emitting visible light upon the surface. | 10-07-2010 |
20110122500 | HEAD-MOUNTED DISPLAY - A head-mounted display includes: a double-sided display device displayed a image on a first side and a second side opposed the first side; a first optical system that forms the image displayed on the first side of the double-sided display device on one eye of a wearer; and a second optical system that forms the image displayed on the second side of the double-sided display device on the other eye of the wearer. The first optical system and the second optical system have switching mechanisms which make at least a part of view being different from the image displayed on the double-sided display devise visible in eyes of the wearer. | 05-26-2011 |
20110176218 | WAVEGUIDES - A waveguide | 07-21-2011 |
20110242669 | Head up display device - A head up display device for a vehicle, includes a display, a reflective member, a stepping motor, and a control part. The reflective member reflects an image displayed by the display and projects the image onto a projection member, thereby displaying a virtual image. The stepping motor rotates the reflective member to adjust a display position of the virtual image. A stabilization point, at which detent torque of the stepping motor is maximized, is defined as a target rotation angle of a magnet rotor. The control part performs normal rotation control that controls amplitude of a drive signal to rotate the magnet rotor to the target rotation angle. After the control part performs the normal rotation control, the control part performs application continuation control that continues application of the drive signal for a predetermined period, with the amplitude of the drive signal at the target rotation angle being maintained. | 10-06-2011 |
20110242670 | WAVEGUIDES - A waveguide | 10-06-2011 |
20110267702 | HEAD UP DISPLAY SYSTEM - The head up display system ( | 11-03-2011 |
20110310491 | VIRTUAL IMAGE DISPLAY DEVICE AND LIGHT GUIDE PLATE THEREFOR - The image light entering the image take-out section is reflected by the first reflecting surface and the second reflecting surface in a two-stage manner. It is not only possible to make the light beam with a small total reflection angle out of the image light directly enter the side near to the light entrance section out of each of the reflecting units, but also to make the light beam with a large total reflection angle directly enter the side far from the light entrance section out of each of the reflecting units to thereby make it possible to take out the image light to the outside. Therefore, the image light is emitted as the effective virtual image light for the observer in the condition in which the brightness variation and the picture variation are prevented and a high light efficiency can be obtained. | 12-22-2011 |
20120188652 | Optical System for Use in a Vehicle Head-Up Display - An optical system is provided for use in a vehicle head-up display including a display panel for displaying drive information image, a backlight unit for irradiating light toward the display panel and an optical system for adjusting the size and focal distance of the drive information image projected from the display panel toward a windshield of a motor vehicle. The optical system includes a pre-lens reflection mirror array for reflecting the drive information image projected from the display panel to travel along a first roundabout path, a lens array for adjusting the size and focal distance of the drive information image reflected by the pre-lens reflection mirror array, and a post-lens reflection mirror array for reflecting the drive information image coming from the display panel toward the windshield to travel along a second roundabout path. | 07-26-2012 |
20120200938 | VIRTUAL IMAGE DISPLAY DEVICE - Image light reflected by a third reflective surface of a light incidence portion is propagated while being totally reflected by first and second reflective surfaces of a light guiding portion, is reflected by a fourth reflective surface of a light emission portion, and is incident to observer's eye as a virtual image. At this time, the number of times of reflection of first image light, which is emitted from a first partial region of an image display device, in the light guiding portion, and the number of times of reflection of second image light, which is emitted from a second partial region of the image display device in the light guiding portion are different from each other, such that it is possible to take in the image light beams from the different partial regions of the image display device with a relatively wide angle of view. | 08-09-2012 |
20120206817 | VIRTUAL IMAGE DISPLAY SYSTEM - A thickness of a tapered part provided at the deeper side (−X side) in a light guide direction of a light transmission member is smaller toward the deeper side, and thus, a reflection angle of ghost light that has passed through a fourth reflection surface provided with a half mirror layer and reached the light transmission member gradually becomes smaller within the tapered part and no longer satisfies a total reflection condition, and the light is ejected to the outside in the position diverging from an eye of an observer. That is, the tapered part may prevent the ghost light from reaching the eye and good see-through observation can be realized. | 08-16-2012 |
20120243104 | Head-up Display - The present invention discloses a head-up display (HUD) comprising an image display element, a plurality of light sources and a set of light guide components, wherein after a light beam of each light source is projected into the set of light guide components, paths of all light beams are regulated by the light guide components to deflect and concentrate at a driver's viewing range to enhance the light intensity of each light beam, and each area of the image display element is illuminated by a portion of the light sources only, so as to reduce the quantity of required light sources and achieve an overall light and thin effect of the head-up display (HUD). | 09-27-2012 |
20130010366 | HEAD-UP DISPLAY DEVICE - A head-up display device which can be applied to various types of vehicles is provided without causing cost increase. A head-up display device which makes a virtual image to be formed by projecting display light on a windshield of a vehicle includes a housing, an indicator which is provided in the housing, and a reflector which is provided in the housing, and includes a plurality of reflecting surfaces which are arranged in parallel with each other and inclined at the same angle so that the display light which is irradiated from the indicator is reflected by the reflecting surfaces. | 01-10-2013 |
20130070344 | VIRTUAL IMAGE DISPLAY DEVICE AND MANUFACTURING METHOD OF VIRTUAL IMAGE DISPLAY DEVICE - In fabrication of a light guiding unit, a half mirror layer as a reflection film for folding light is covered by a light transmission main body part as a coating member, i.e., a light transmission member, and a hard coating layer is deposited thereon. Therefore, even when the surfaces of a light guide main body part and the light transmission main body part forming the light guiding unit are cleansed as pre-processing of the deposition of the hard coating layer, the situations such that the half mirror layer is separated thereby may be avoided and optical properties of the half mirror layer may not be lost. | 03-21-2013 |
20130083404 | VIRTUAL IMAGE DISPLAY DEVICE - A virtual image display device has a light guide device in which the half mirror layer (the semi-transmissive reflecting film) of the light guide member is formed on the partial area of the first junction surface, and the second junction surface of the light transmitting member is bonded to the first junction surface in at least the exceptional area. Therefore, it is possible to increase the bonding strength of the first junction surface and the second junction surface, namely the strength of the light guide device composed of the light guide member and the light transmitting member combined with each other even in the case in which the attachment force of the half mirror layer (the semi-transmissive reflecting film) with respect to the first junction surface is not sufficiently strong. | 04-04-2013 |
20130094092 | HEAD-UP DISPLAY APPARATUS - A head-up display apparatus forms a virtual image of a display image viewed from a viewpoint region by projecting the display image onto a projection face. The apparatus includes a screen member and an optical device. The screen member includes an image formation face that forms the display image. The optical device includes a reflection face, which receives and reflects the display image by the image formation face, to project onto the projection face. The image formation face includes, in a grid array, convex portions and concave portions, which are convex and concave from a virtual reference face and alternated with each other along x axis and y axis. A perpendicular line to the virtual reference face at any position of the image formation face passes through an outside of the reflection face of the optical device. | 04-18-2013 |
20130135749 | LIGHT REFLECTING MEMBER, LIGHT BEAM EXTENSION DEVICE, IMAGE DISPLAY DEVICE, AND OPTICAL DEVICE - An image display device includes an image generating device, a light guide unit which includes a light guide plate and first and second deflection sections, and a light beam extension device which extends light incident from the image generating device, along a Z direction when an incident direction of light incident on the light guide plate is set to be an X direction and a direction of propagation of light in the light guide plate is set to be a Y direction, and emits the light to the light guide unit, wherein the light beam extension device includes a first reflecting mirror on which light from the image generating device is incident, and a second reflecting mirror which emits light incident from the first reflecting mirror to the light guide unit, and each of the first and second reflecting mirrors has a light reflecting surface having a sawtooth-shaped cross-sectional shape. | 05-30-2013 |
20130155521 | HEAD-UP DISPLAY DEVICE - 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. | 06-20-2013 |
20130229716 | TACTICAL RIFLESCOPE WITH SMARTPHONE DOCK - Techniques are disclosed for creating optical systems and devices that enable a mobile device (e.g., smartphone or other mobile phone, personal media player, and/or other personal electronic device) to be coupled with an optical device (e.g., a riflescope, spotting scope, etc.) such that information shown on the display of the mobile device is viewable to a user looking into the eyepiece of the optical device. Additionally or alternatively, an image from the optical device can be communicated to the mobile device. A modular design can utilize an apparatus configured to encase a mobile device, which can be coupled with the optical device via and optical and/or electrical interface. | 09-05-2013 |
20130229717 | Substrate-Guide Optical Device - There is provided an optical device, including a light waves-transmitting substrate having two major surfaces and edges, optical means for coupling light into the substrate by total internal reflection, and a plurality of partially reflecting surfaces ( | 09-05-2013 |
20130250430 | INCREASING FIELD OF VIEW OF REFLECTIVE WAVEGUIDE - A near-eye display system includes an image former and a waveguide. The image former is configured to form a display image and to release the display image through a first exit pupil. The waveguide presents a back surface that faces the wearer's eye, and a front surface opposite the back surface. The waveguide is substantially transparent to external imagery received normal to the front surface, and is configured to receive the display image from the image former and to release the display image through a second exit pupil, which is larger than the first exit pupil. | 09-26-2013 |
20130250431 | TWO-DIMENSIONAL EXIT-PUPIL EXPANSION - A near-eye display system includes an image former and first and second series of mutually parallel beamsplitters. The image former is configured to form a display image and to release the display image through an exit pupil. The first series of mutually parallel beamsplitters is arranged to receive the display image from the image former. The second series of mutually parallel beamsplitters is arranged to receive the display image from the first series of beamsplitters, and to release the display image through an exit pupil longer and wider than that of the image former. The second series of beamsplitters has a different alignment and a different orientation than the first series of beamsplitters. | 09-26-2013 |
20130279017 | SUBSTRATE-GUIDED OPTICAL DEVICE - There is provided an optical device, including a light waves-transmitting substrate having two major surfaces and edges, optical means for coupling light into the means for coupling light into the substrate by total internal reflection, and plurality of partially reflecting surfaces ( | 10-24-2013 |
20140029106 | VEHICLE COMPOSITE REFLECTION AND REFRACTION MULTI-IMAGING DEVICE - The present invention relates to a vehicle composite reflection and refraction multi-imaging device including a reflecting surface, a semi-reflecting surface, and a concave lens. At least one image of at least one light source is reflected repeatedly by the semi-reflecting surface and the reflecting surface to form a plurality of visible mirror images on a mirror image side of the reflecting surface. The concave lens is disposed at the viewing side. A viewer at the viewing side views a plurality of visible mirror images at the mirror image side of the reflecting surface through the refracting of the concave lens. The reflected and refracted visible mirror images gradually shrink towards a vertical axis. Visible mirror images do not interfere with one another, and each visible mirror image is clear. The visible mirror images can generate an apparent inward-shrinking 3D effect of depth with levels. | 01-30-2014 |
20140049833 | VIRTUAL IMAGE DISPLAY APPARATUS - A light blocking member that is a light blocking structure disposed in an exit pupil position can remove in advance a light component of video image light that undergoes unintended reflection to avoid generation of ghost light and allows formation of a satisfactory image. Further, a projection lens and other components form an intermediate image in a prism, and the video image light totally reflected off at least two surfaces of the prism, a third surface, a first surface, and a second surface in this order, passes through the first surface and reaches an eye of a viewer, whereby the prism can be thin and the overall optical system can be compact and lightweight and provide wide angle, bright, high-performance display. | 02-20-2014 |
20140055866 | IMAGE-PARTITIONED DISPLAY DEVICE FOR VIRTUAL IMAGE - An image-partitioned display device for virtual image is disclosed. The display device comprises an image display unit, a refractive element, and a virtual image generation module. The refractive element is disposed between the image display unit and the virtual image generation module. Firstly, the image display unit generates at least one image, and then the refractive element refracts and partitions the image into a plurality of sub-images. Finally, the virtual image generation module receives lights of the sub-images to generate a large area virtual image or a plurality of enlarged virtual images. A volume of the virtual image generation module is reduced and all kinds of display information are provided by the image-partitioned technology. | 02-27-2014 |
20140055867 | OBSERVATION OPTICAL SYSTEM - An observation optical system configured to guide light from a plurality of original images to an exit pupil to present a combined overall image of the plurality of original images, includes a first optical element including a first off-axial reflecting surface configured to reflect at least a portion of light, a second optical element including a second off-axial reflecting surface configured to reflect at least a portion of light, and a off-axial optical system which overlaps at the pupil light fluxes from positions on the respective original images that have an identical angle-of-view, wherein the second optical element is cemented with the first optical element in at least a portion of the first off-axial reflecting surface, and wherein the cemented surface is a surface which reflects at least a portion of light and transmits at least a portion of light. | 02-27-2014 |
20140078592 | DISPLAY DEVICE - According to one embodiment, a display device, includes an image projection unit and an optical unit. The image projection unit includes a laser beam source configured to emit a laser beam including image information, and a scanning unit configured to scan the laser beam. The optical unit includes a reflecting unit. The reflecting unit includes a plurality of half mirrors stacked with each other. The scanned laser beam is sequentially incident on the plurality of half mirrors. Respective reflected laser beams produced by being reflected by each of the half mirrors pass through a plurality of mutually-different points. | 03-20-2014 |
20140092482 | Optical Guidance Device and Method of Manufacturing Such a Device - 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. | 04-03-2014 |
20140111865 | OPTICAL DEVICE, IMAGE DISPLAY APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL DEVICE - A head-mounted display that guides image light displayed by an image formation unit and focuses the image light on a viewer's side includes a light guide member that angularly converts the image light incident from the image formation unit based on reflection at a plurality of transflective layers, and a light absorption layer is disposed on each of the transflective layers. The light guide member has a light incident surface through which the image light is introduced into the light guide member, a prism reflection surface that is disposed at an end of the light guide member, serves as one of the plurality of transflective layers, and reflects the image light introduced through the light incident surface, and the light absorption layers disposed between the light guide member and the prism reflection surface. | 04-24-2014 |
20140118836 | COLLIMATING OPTICAL DEVICE AND SYSTEM - There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided. | 05-01-2014 |
20140118837 | COLLIMATING OPTICAL DEVICE AND SYSTEM - There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided. | 05-01-2014 |
20140160577 | OPTICAL GUIDE FOR COLLIMATED IMAGES WITH OPTICAL BEAM DOUBLER, AND ASSOCIATED OPTICAL DEVICE - The general field of the invention is that of optical guides for collimated images comprising a first and a second image conductor functioning by total reflection, each conductor comprising a plurality of plates that are planar, semi-reflective, mutually parallel and inclined with respect to the plane of the external faces of the image conductors. The two conductors are arranged so as to deliver a collimated image to a large pupil. The optical guide according to the invention comprises an optical beam doubler element having substantially the shape of a rectangular parallelepiped. In its basic version, it comprises four external planar facets, two internal semi-reflective planar mirrors, said mirrors being mutually perpendicular, a planar entrance face intended to receive a collimated image, and an exit face adhesively bonded to the injection section of one of the image conductors. The invention also relates to the whole of the display device associated with this optical guide. | 06-12-2014 |
20140204465 | HEAD-UP DISPLAY DEVICE - A head-up display device includes a projector, a screen component and a prism component. The prism component integrally has an incidence surface into which laser light enters from the projector, a mirror surface which reflects the laser light entering inside the prism component from the incidence surface, and an exit surface which emits the laser light reflected by the mirror surface toward the screen component outside of the prism component, as optical surface on an optical path, and each of the incidence surface and the exit surface constructs a lens surface such that that the laser light is formed into an image relative to the screen component in a spot state. | 07-24-2014 |
20140211322 | PROJECTION OPTICAL SYSTEM FOR COUPLING IMAGE LIGHT TO A NEAR-EYE DISPLAY - Technology is described for a projection optical system which optically couples image light from an image source to a near-eye display (NED) of a wearable near-eye display device. The projection optical system and the image source make up a projection light engine. Light from the image source is directed to a birdbath reflective optical element which is immersed in high index glass. The image light is reflected and collimated by the birdbath element and travels outside a housing of the projection light engine forming an external exit pupil, meaning the exit pupil is external to the projection light engine. A waveguide optically couples the image light of the external exit pupil. An example of a waveguide which can be used is a surface relief grating waveguide. | 07-31-2014 |
20140240843 | NEAR-EYE DISPLAY SYSTEM - Embodiments are disclosed herein that relate to optical systems for augmented reality display systems. For example, one disclosed embodiment provides a near-eye display system including a prism having a light input interface side configured to receive light from an image source, the prism being configured to first internally reflect the light from the image source and then emit the light from the image source out of a light output interface side of the prism after internally reflecting the light from the image source. The optical system also includes a reflective combiner positioned to receive the light emitted from the light output interface side of the prism, and to reflect the light back through the prism. | 08-28-2014 |
20140254024 | VIRTUAL IMAGE DISPLAY DEVICE - In a virtual image display device, since the frame section has the support section for detachably fixing the auxiliary mounting member, which is disposed adjacent to the optical members, on the observer side of the optical members, by providing a variety of functions such as an optical function to the auxiliary mounting member, the usefulness of the virtual image display device can be enhanced. Specifically, in the case of, for example, providing the auxiliary mounting member with a diopter correction function, it is possible for any observers with a variety of levels of vision to observe the image obtained by the video display element in a good condition without blur without using eyeglasses. | 09-11-2014 |
20140327971 | NIGHT VISION DEVICES AND METHODS - Image-intensifying devices (for example, glasses, goggles, etc.) suitable for certain commercial and entertainment applications by virtue of their light weight, small size, and economical production are disclosed. In one embodiment, input light passes through an Amici reflector, which is used to adjust the orientation of the intensified image to register it with the real world. In another embodiment, input light passes through at least two Amici reflectors, which are used to adjust the orientation of the intensified image to register it with the real world. In alternate embodiments, at least one Amici reflector folds the light at a non-perpendicular angle and/or input light is rotated by an angle other than (180°). Other embodiments include a field-flattening lens disposed in front of an image intensifier. The intensified image is then sent through a projective lens assembly to reach the viewer's eye. | 11-06-2014 |
20140368923 | IMAGE DISPLAY DEVICE - A substrate housing portion stores a circuit substrate that outputs an image signal. The optical unit generates and projects an image based on the image signal output from the circuit substrate. The image is projected onto a combiner. The optical unit has an optical unit main body that includes a light source and an image display element, and a projection unit that is attached to the optical unit main body and that determines a projection direction. The projection unit is provided with an intermediate image screen that images an intermediate image and is freely removed from or installed in the optical unit main body. | 12-18-2014 |
20150009575 | GAMING MACHINE - A gaming machine according to an embodiment of the present invention includes: a first display panel configured to display game images of a game, the first display panel including a screen facing downward; a plurality of first beam splitters disposed under the first display panel and inclined with respect to the screen to partially reflect the images from the first the display panel into a forward direction; a background image generator disposed rear to the first beam splitters and generating background images, the background images from the background image generator passing through the first beam splitters toward the forward direction to overlap the game images; and a controller configured to execute the game and to control the first display panel. | 01-08-2015 |
20150022898 | HEAD-UP DISPLAY DEVICE FOR VEHICLE AND SELF-CHECKING METHOD THEREFOR - A head-up display device and a self-checking method therefor are provided, which are able to suppress the direct output of a laser beam to outside. A reflecting means reflects an image generated by a scanning means and projects the image outside of a case, and an angle-adjusting means adjusts the reflecting means to a desired angle. After the ignition switch of the vehicle is turned on, a light-emitting means outputs a scanning laser beam, and the value of the current flowing to the light-emitting means is detected, or a first light intensity, which is the light intensity of the scanning laser beam, is detected. For a period extending at least from the output of the scanning laser beam by the light-emitting means to the establishment of a predetermined condition, the angle-adjusting means is controlled such that the reflecting means is set to a non-visible position at which the scanning laser beam is reflected inside the case. | 01-22-2015 |
20150085372 | DISPLAY APPARATUS - A display apparatus includes: an eyeglass-type frame worn by a head of a viewer; and an image display apparatus attached to the frame, wherein the image display apparatus includes an image formation device, and an optical device on which light that exits from the image formation device is incident, through which the light is guided, and out of which the light exits, the frame is formed of a front portion, two temple portions extending from both ends of the front portion, a nose pad, and an attachment member, the attachment member is attached to a central section of the front portion, the optical device is attached to the attachment member, and the nose pad is so attached to the attachment member that the nose pad is movable upward and downward. | 03-26-2015 |
20150138646 | OPTICAL ELEMENT, IMAGE DISPLAY DEVICE AND METHOD FOR MANUFACTURING SAME - An optical element includes a light guide plate that has therein a light transmissive flat plate member on which a transflective layer is formed, and a layer of a light transmissive adhesive or a light transmissive resin layer that uniformly covers the light guide plate. The refractive index of the layer of the adhesive or the resin layer is set to a refractive index different from that of the light guide plate. A first surface of the layer of the adhesive or the resin layer that is on the light exit surface side of the light guide plate is kept parallel with a second surface of the layer of the adhesive or the resin layer that is on the opposite side to the light exit surface side of the light guide plate. | 05-21-2015 |
20150138647 | LIGHT REFLECTING MEMBER, LIGHT BEAM EXTENSION DEVICE, IMAGE DISPLAY DEVICE, AND OPTICAL DEVICE - An image display device includes an image generating device, a light guide unit which includes a light guide plate and first and second deflection sections, and a light beam extension device which extends light incident from the image generating device, along a Z direction when an incident direction of light incident on the light guide plate is set to be an X direction and a direction of propagation of light in the light guide plate is set to be a Y direction, and emits the light to the light guide unit, wherein the light beam extension device includes a first reflecting mirror on which light from the image generating device is incident, and a second reflecting mirror which emits light incident from the first reflecting mirror to the light guide unit, and each of the first and second reflecting mirrors has a light reflecting surface having a sawtooth-shaped cross-sectional shape. | 05-21-2015 |
20150146301 | LIGHTING ADJUSTMENT FOR HEAD MOUNTED DISPLAY - An apparatus includes a light source, a display array, a light relay, a photodetector, and control circuitry. The light source is for providing lamp light during an ON-time of the light source. The display array is positioned to receive and selectively manipulate the lamp light. The light relay is positioned to receive the image light from the display array. Control circuitry is coupled to the light source for adjusting the light source and coupled to receive an output of the photodetector. | 05-28-2015 |
20150378164 | SYSTEMS, DEVICES, AND METHODS FOR WEARABLE HEADS-UP DISPLAYS - Systems, devices, and methods for transparent displays that are well-suited for use in wearable heads-up displays are described. Such transparent displays include a register of light-emitting diodes that sequentially generates pixels or other discrete portions of an image. Respective sets of light signals corresponding to the respective portions (e.g., rows) of the image are sequentially directed into the user's field of view by a combination of a dynamic reflector and a set of static light-redirection elements. The dynamic reflector is an elongated reflective strip (including, for example, one or more MEMS-based digital micromirror(s)) mounted outside of the field of view of the user and the set of static light-redirection elements are substantially transparent and mounted directly in a field of view of the user. Successive portions of the image are generated in rapid succession until the entire image is displayed to the user. | 12-31-2015 |
20150378165 | Display Device And Electronic Apparatus - A display device and an electronic apparatus using the display device are described. The display device includes a display component configured to output initial light corresponding to a first image; and a transmission optical component at least partially provided within an irradiation area of the initial light and configured to transmit the initial light corresponding to the first image from the display component and perform light path conversion to convert it into a first exit light; and an adjustment optical component at least partially provided within an irradiation area of the first exit light and configured to perform light path conversion on the first exit light to obtain a second exit light, wherein an image corresponding to the first image is capable of being perceived at a particular position. | 12-31-2015 |
20160004077 | VIRTUAL IMAGE GENERATION DEVICE AND HEAD-UP DISPLAY - The virtual image generation device which visualizes images formed by an image forming unit as virtual images includes: a first optical element and a second optical element arranged opposite to each other along a travelling direction of an image light corresponding to the images. The first optical element and the second optical element have a characteristic of reflecting the light having a wavelength corresponding to the image light in accordance with an incident angle of the light and transmitting the light having the wavelength other than the wavelength corresponding to the image light, and give a predetermined optical effect only to the image light. | 01-07-2016 |
20160048017 | HEADUP DISPLAY DEVICE - Provided is a headup display apparatus that is capable of accurately outputting stable display light, a collimator lens, collimates image light, as parallel light, said image light having been outputted from a display means. A parallel light guide has a first surface, which has the parallel light from the collimator lens inputted thereto, and which reflects a part of the parallel light and transmits a part of the parallel light as transmitted light beams, and a second surface that reflects the parallel light to the first surface, said first surface and second surface being provided in parallel to each other. The parallel light guide outputs the transmitted light beams from the first surface, and the parallel light is inputted to the first surface at a predetermined angle. | 02-18-2016 |
20160048026 | HEADUP DISPLAY DEVICE - Provided is a headup display device which is not liable to generate abnormal sound. The headup display device comprises: a liquid crystal display for emitting display light; a concave mirror for reflecting the display light; and a motor device for rotating the concave mirror. The motor device includes: a motor having a motor shaft projecting from a motor body; a worm connected to the motor shaft and having a spiral groove formed on the outer peripheral surface; and a worm wheel provided with teeth engaging with the spiral groove and transmitting a driving force from the motor to the concave mirror. A hole is formed inside the worm extending in the axial direction of the worm from the end face of the worm near the motor body. A compression coil spring is arranged in the hole for biasing the worm in the direction opposite the motor body and biasing the motor shaft toward the motor body. | 02-18-2016 |
20160062126 | VIRTUAL IMAGE DISPLAY DEVICE - A virtual image display device including a video element, an optical member, a frame section, and an auxiliary mounting member. The optical member is adapted to direct light from the video element toward an eye of an observer to make an image be recognized. The frame section is adapted to support the video element and the optical member so that the optical member is disposed in front of the eye of the observer, the frame section including a connection section having a recessed section. The auxiliary mounting member is fixed to the connection section at the recessed section so as to be disposed on the observer side of the optical member. | 03-03-2016 |
20160085084 | PROJECTION DEVICE - According to the present invention there is provided a projection device ( | 03-24-2016 |
20160091723 | OPTICAL DISPLAY APPARATUS, METHOD, AND APPLICATIONS - A see-through optical display apparatus includes an image generating component, a tilted primary mirror having a non-flat, freeform, front optical surface, and a tilted secondary mirror having a non-flat, freeform, front optical surface, wherein the apparatus has an external pupil. A method for designing/making a see-through optical display apparatus for displaying an image generated by or on an image generating component of the apparatus. | 03-31-2016 |
20160109710 | HEAD-WEARABLE ULTRA-WIDE FIELD OF VIEW DISPLAY DEVICE - Multiple-reflector ultrawide field of view (UWFOV) systems and methods are provided. In one embodiment, a head-wearable display device includes a frame, a narrow-beam light source fixed with respect to the frame, a UWFOV reflective surface fixed with respect to the frame, and a diverging reflective surface fixed with respect to the frame that is configured to receive light emitted from the narrow-beam light source and reflect the light toward the UWFOV reflective surface to spread the light completely across the UWFOV reflective surface. | 04-21-2016 |
20160116743 | SUBSTRATE-GUIDE OPTICAL DEVICE - An optical device, including a light waves-transmitting substrate has two major surfaces and edges, optical means for coupling light into the substrate by total internal reflection, and a plurality of partially reflecting surfaces ( | 04-28-2016 |
20160124231 | HEAD-UP DISPLAY DEVICE - A head-up display device including a screen; a projector that projects a visual image to the screen using a projection lens; and an image generator that generates a virtual image of the visual image to be visually recognized by a user from the visual image projected to the screen, wherein the visual image is composed of a first visual image and a second visual image; and the image generator generates a first virtual image, which is a virtual image of the first visual image, from the first visual image, and generates a second virtual image, which is a virtual image of the second visual image, from the second visual image. | 05-05-2016 |
20160139408 | HEAD-UP DISPLAY DEVICE AND BACKLIGHT DEVICE - A head-up display device includes: a light source that emits light; a condenser that condenses the light emitted from the light source in a first direction; an adjuster that adjusts the light emitted from the condenser; a first reflector that reflects the light emitted from the adjuster in a second direction different from the first direction; a display that includes an image display surface forming a display image and emits a display light representing the display image with the image display surface transmitting the light reflected by the first reflector; a second reflector that reflects the display light being emitted from the display and being incident from above; and a third reflector that reflects the display light incident from the second reflector to the projection member. The adjuster adjusts the light emitted from the condenser according to a size of the image display surface. | 05-19-2016 |
20160147068 | VIRTUAL IMAGE DISPLAY APPARATUS - A virtual image display apparatus configured to be disposed in front of an eye of a user is provided. The virtual image display apparatus includes an image displaying unit providing an image beam, a first beam splitting unit disposed on the transmission path of the image beam, and an image correction unit disposed on the transmission path of the image beam from the first beam splitting unit. The image correction unit includes a first optical element, a second optical element, and a planar reflective element. The image beam emitted by the image displaying unit sequentially travels through the first beam splitting unit, the first optical element, and the second optical element, and is reflected by the planar reflective element, then travels through the second optical element and the first optical element again, and is transmitted to the eye by the first beam splitting unit. | 05-26-2016 |
20160147070 | SEE-THROUGH COMPUTER DISPLAY SYSTEMS - Aspects of the present invention relate to providing see-through computer display optics. | 05-26-2016 |
20160154243 | DISPLAY APPARATUS | 06-02-2016 |
20160170212 | SUBSTRATE-GUIDE OPTICAL DEVICE | 06-16-2016 |
20160170213 | SUBSTRATE-GUIDE OPTICAL DEVICE | 06-16-2016 |
20160178910 | OPTICAL PROJECTION DEVICE FOR DISPLAY MEANS SUCH AS AUGMENTED REALITY GLASSES | 06-23-2016 |
20160187648 | PROJECTOR DEVICE - A projector device is provided. The projector device includes a projector unit, an optical beam splitting module and a first image forming element. The projector unit forms a beam projecting image. The horizontal projection width of the beam projecting image is smaller than the vertical projection width of the beam projecting image. The optical beam splitting module projects one or multiple projection sub-images according to the beam projecting image. The projection sub-images are projected to the first image forming element to form one or multiple projection images. Thus, the projector device obtains multiple projection images from a single image source, and the placement of the image forming elements in the projector unit may be adjusted to obtain the projection images with the best image ratios and the best resolutions. The projector device may be suitable for a head up display. | 06-30-2016 |
20160187656 | COLLIMATING OPTICAL DEVICE AND SYSTEM - There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided. | 06-30-2016 |
20160195727 | HEAD-UP DISPLAY, AND VEHICLE EQUIPPED WITH HEAD-UP DISPLAY | 07-07-2016 |
20160202479 | HEAD-UP DISPLAY, AND VEHICLE EQUIPPED WITH HEAD-UP DISPLAY | 07-14-2016 |
20160202482 | HEAD-UP DISPLAY, AND VEHICLE EQUIPPED WITH HEAD-UP DISPLAY | 07-14-2016 |
20160377863 | HEAD-MOUNTED DISPLAY - A head-mounted display is disclosed, wherein the image is displayed to the user via a reflective surface. The uniform reflective surface may be bent or split into two reflective surfaces, enabling two viewing modes. In the first viewing mode, the reflective surface reflects one image to both eyes. In the second viewing mode, the reflective surface reflects separate images to the left eye and to the right eye. The second mode enables three-dimensional viewing. The reflective surface may be partially transparent, allowing Virtual Reality or Augmented Reality views to the user. | 12-29-2016 |
20170232842 | HUD CLUSTER | 08-17-2017 |
20170235142 | WAVEGUIDE-BASED DISPLAYS WITH ANTI-REFLECTIVE AND HIGHLY-REFLECTIVE COATING | 08-17-2017 |
20180024368 | VIRTUAL IMAGE DISPLAY APPARATUS | 01-25-2018 |