Class / Patent application number | Description | Number of patent applications / Date published |
359567000 | For ornamental effect or display | 51 |
20090190222 | Projection Display - A projection display is provided including a first plate-like waveguide ( | 07-30-2009 |
20090303599 | General diffractive optics method for expanding an exit pupil - This invention describes a general diffractive optics method that uses a plurality of diffractive elements on an optical substrate for expanding the exit pupil of a display of an electronic device for viewing. The method can be used for optical coupling in an optical device and it is characterized by extending of an exit pupil of an input optical beam in an output optical beam wherein the optical device comprises: an optical substrate and in-coupling, intermediate and out-coupling diffractive element disposed on the optical substrates, wherein periodic lines of the intermediate diffractive element comprise an angle ρ with periodic lines of the in-coupling and of the out-coupling diffractive elements, respectively. The system can support a broad range of rotation angles (e.g., 0<ρ<70°) and corresponding conical angles and remains geometrically accurate. | 12-10-2009 |
20100085642 | DIFFRACTIVE DEVICE - The invention provides in particular for an achromatic diffractive diffuser comprising a surface relief diffractive device arranged such that, under illumination by ambient light, the diffractive effect serves to provide a uniform achromatic diffuser reflection into a defined viewing zone for observation by an observer, and also such that the achromatic diffractive replay of the device has a non-symmetric distribution of diffractive light intensity between positive and negative diffractive order such that the diffractive efficiency in the desired diffractive order is enhanced over that of the undesired order to provide an enhanced brightness achromatic device. | 04-08-2010 |
20100118403 | Layered light guide with diffractive structures - A layered light guide structure has a number of planar light guides arranged in a stack to receive a number of different color light beams from the edge of the light guides. Each of the planar light guides has one or more diffractive structures imparted or provided on its upper surface. The diffractive structures on each light guide are configured to diffract light of a particular wavelength range so that they efficiently diffract the guided light within that light guide. The diffractive structure can be one or more keypad symbols such that the layered light guide structure can be used as a keypad. The symbols can be pixelized such that the pixels can have different color patterns. The diffractive structure can also be a simple patch so that the layered light guide structure can be used as a back-light source. | 05-13-2010 |
20100246003 | PROJECTION DISPLAYS - A projection display which includes first and second waveguide elements, wherein the first waveguide element has a two input regions for injecting image bearing light into the first waveguide element. In this manner, the total field of view of the image to be displayed at the second waveguide element is divided into two sub-images prior to injection of one sub-image into one input region and the other sub-image into the other input region of the first waveguide element. This results in a smaller first waveguide element, thereby reducing obscuration of an observers view of a forward scene over which to the image to be displayed is overlaid. | 09-30-2010 |
20100246004 | DISPLAY PROJECTORS - The present invention is directed to a display which presents an image along a line of sight of an observer, such that the image is overlaid on a real world scene has a first waveguide and an image source device to inject the image into the first waveguide. The first waveguide has a first grating to direct the image internally and to output the image from the first waveguide. A second waveguide has a coupling grating to receive the image from the first waveguide and to direct the image along the second waveguide. The second waveguide has an exit grating to diffract the received image out of the second waveguide towards the observer. The exit grating diffracts the image out of the second waveguide off axis to a normal axis of the second waveguide. | 09-30-2010 |
20100254007 | Display and labeled article - A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering regions are different from each other in the longitudinal direction. | 10-07-2010 |
20100277803 | Display Device Having Two Operating Modes - A display device ( | 11-04-2010 |
20100296163 | Exit Pupil Expanders with Wide Field-of-View - The specification and drawings present a new apparatus and method for providing a wide field-of-view as well as illumination uniformity in exit pupil expanders (EPE) using stacked EPE substrates (or plates) with non-symmetric exit pupil expansion that use a plurality of diffractive elements for expanding the exit pupil of a display for viewing. | 11-25-2010 |
20110080641 | Diffraction Toy System - A diffraction toy system comprises an optical viewing device that provides a diffraction optical viewing effect. The viewing devices can be a pair of eyeglasses having diffraction lenses. The system includes a child's play object that includes a light source. The play object can be nonwearable or wearable objects that can accommodate a light source, such as toy cars, trucks, swords, hats, belts, tiaras, and the like. The light source can be a light emitting diode, and the light source can emit colored light. The play object can be a light device that produces a light show. The system can include a number of viewing devices worn by multiple users, and the viewing devices can provide the same or a different diffusion optical effect. Backdrops, with or without light sources, can be includes to provide a further enhanced visual effect. | 04-07-2011 |
20110090564 | EXTERIOR PARTS AND METHOD OF MANUFACTURING THE SAME - An exterior part ( | 04-21-2011 |
20110235179 | WAVEGUIDES - An image-providing light source device | 09-29-2011 |
20110242661 | WAVEGUIDES - A projection display | 10-06-2011 |
20110310485 | OPTICAL DEVICE AND METHOD OF MANUFACTURE - The present invention provides for a diffractive structure comprising a plurality of grooves each formed by a plurality of two-dimensional scattering and/or diffractive groove elements, aligned in a manner serving to provide for at least one diffractive optical effect and further a surface display device comprising a plurality of regions wherein each region has a diffractive surface relief structure as defined above and wherein the gratings of one of said regions at an angle relative to the gratings of another of said regions. | 12-22-2011 |
20120075701 | OPTICALLY VARIABLE SECURITY DEVICES - An optical device is formed by hot stamping a demetallized hologram to an optically variable foil or to a coating of optically variable ink. In another embodiment a hologram is hot stamped to a banknote or document printed with a color-shifting ink. | 03-29-2012 |
20120081789 | OPTICAL DEVICE, AND VIRTUAL IMAGE DISPLAY DEVICE - A virtual image display device with an optical waveguide to guide, by internal total reflection, parallel pencil groups meeting a condition of internal total reflection, a first reflection volume hologram grating to diffract and reflect the parallel pencil groups incident upon the optical waveguide from outside and traveling in different directions as they are so as to meet the condition of internal total reflection inside the optical waveguide and a second reflection volume hologram grating to project the parallel pencil groups guided by internal total reflection inside the optical waveguide as they are from the optical waveguide by diffraction and reflection thereof so as to depart from the condition of internal total reflection inside the optical waveguide. | 04-05-2012 |
20120147470 | SECURITY DEVICE - A security device, which is suitable in particular for improving the anti-forgery security of payment means, wherein the security device comprises a flat light reflection element. Several three-dimensional diffractive surface elements are arranged on a surface of the light reflection element. The surface elements comprise a diffraction grating on a light outlet surface. The diffraction gratings of a group of light surface elements are designed and/or arranged in such a way that an asterism is produced for an observer and/or an examination device. | 06-14-2012 |
20120170123 | METHOD AND SYSTEM FOR PRODUCING MULTIPLE IMAGES IN A SINGLE IMAGE PLANE USING DIFFRACTION - Methods create images viewable under different selected angles on optical storage devices and other photosensitive surfaces and optical storage devices with super-imposed images. Generally, a photosensitive surface is exposed with multiple diffraction patterns creating super-imposed images. These diffraction patterns create super-imposed images on the photosensitive surfaces, which can be read by either a human or a computer. | 07-05-2012 |
20120206811 | OPTICAL DEVICE, AND VIRTUAL IMAGE DISPLAY DEVICE - A virtual image display device with an optical waveguide to guide, by internal total reflection, parallel pencil groups meeting a condition of internal total reflection, a first reflection volume hologram grating to diffract and reflect the parallel pencil groups incident upon the optical waveguide from outside and traveling in different directions as they are so as to meet the condition of internal total reflection inside the optical waveguide and a second reflection volume hologram grating to project the parallel pencil groups guided by internal total reflection inside the optical waveguide as they are from the optical waveguide by diffraction and reflection thereof so as to depart from the condition of internal total reflection inside the optical waveguide. | 08-16-2012 |
20120236415 | DISPLAY AND LABELED ARTICLE - A display including one or more first relief structures is provided. Each of the one or more first relief structures includes a smooth first reflection surface and a plurality of protrusions or recesses. Each top surface of the protrusions or each bottom of the recesses is a smooth second reflection surface parallel to the first reflection surface. Each of the one or more first relief structures is configured to display a mixed color as a structural color by mixing a plurality of wavelength components of visible light wavelengths. Also provided is a labeled article that includes the display, and an article supporting the display. | 09-20-2012 |
20120243094 | METHOD AND DEVICE FOR PRODUCING COLOR PATTERN BY MEANS OF DIFFRACTION GRATINGS - In the method for creating color patterns for technical applications and visible for the human eye by means of diffraction gratings through light irradiation, diffraction grating arrays are produced directly on a solid body surface in a laser microstructuring process by at least one laser installation in the nanosecond range or in the pico- or femtosecond range, each diffraction grating array being composed of subareas ( | 09-27-2012 |
20130038935 | DIFFRACTIVE COMBINER FOR HEAD-UP COLOR DISPLAY DEVICE - A diffractive combiner for head-up color display device comprises a first optical diffraction grating configured to diffract, in a direction of diffraction, light of a first incident wavelength on the first grating in a direction of incidence, a second optical diffraction grating configured to diffract, in the same direction of diffraction, light of a second incident wavelength on the second grating in the direction of incidence. The first and second optical diffraction gratings are formed in relief on first and second opposed faces of the combiner. The first and/or the second grating is formed as a wavelength multiplexed optical diffraction grating and configured to diffract, in the direction of diffraction, light of a third incident wavelength on the first and/or second optical diffraction grating in the direction of incidence. | 02-14-2013 |
20130038936 | OBJECT PRODUCED BY A MOLDING PROCESS AND MARKED BY A DIFFRACTION GRATING, AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a method for marking an object ( | 02-14-2013 |
20130044376 | OPTICAL WAVEGUIDE AND DISPLAY DEVICE - An optical method of displaying an expanded colour image comprising extracting from input light bearing said coloured image a first spectral portion and a second spectral portion such that together the two portions contain sufficient information for the image to be displayed in substantially its original colours, separately expanding the two spectral portions each in two dimensions and recombining the expanded spectral portions to display the expanded colour image. | 02-21-2013 |
20130107366 | EMBEDDED GRATING STRUCTURE | 05-02-2013 |
20130155513 | OPTICAL DEVICE, AND VIRTUAL IMAGE DISPLAY - A virtual image display device with an optical waveguide to guide, by internal total reflection, parallel pencil groups meeting a condition of internal total reflection, a first reflection volume hologram grating to diffract and reflect the parallel pencil groups incident upon the optical waveguide from outside and traveling in different directions as they are so as to meet the condition of internal total reflection inside the optical waveguide and a second reflection volume hologram grating to project the parallel pencil groups guided by internal total reflection inside the optical waveguide as they are from the optical waveguide by diffraction and reflection thereof so as to depart from the condition of internal total reflection inside the optical waveguide. | 06-20-2013 |
20140063605 | METHOD AND SYSTEM FOR PRODUCING MULTIPLE IMAGES IN A SINGLE IMAGE PLANE USING DIFFRACTION - Methods create images viewable under different selected angles on optical storage devices and other photosensitive surfaces and optical storage devices with super-imposed images. Generally, a photosensitive surface is exposed with multiple diffraction patterns creating super-imposed images. These diffraction patterns create super-imposed images on the photosensitive surfaces, which can be read by either a human or a computer. | 03-06-2014 |
20140118829 | SEE THROUGH NEAR-EYE DISPLAY - The various embodiments include a near-eye display having a transmissive display and a diffractive micro-lens array. The transmissive display may be positioned relative to the diffractive micro-lens array so that the distance between the transmissive display and the diffractive micro-lens array is be approximately equal to focal length of the diffractive micro-lens array. The transmissive display may also be positioned relative to the diffractive micro-lens array so that a percentage of light emitted from the transmissive display is diffracted by the micro-lens array and collimated into focus on a retina of a human eye. The transmissive display may be further positioned relative to the diffractive micro-lens array so that light from a real world scene passes through transparent portions of the transmissive display and is diffracted by the micro-lens array out of focus of the human eye. | 05-01-2014 |
20140177057 | Film and Method for Producing Same - The invention relates to a film ( | 06-26-2014 |
20140218801 | PROJECTION DISPLAY - The present invention provides a projection display ( | 08-07-2014 |
20140240834 | OPTICAL WAVEGUIDE AND DISPLAY DEVICE - An optical waveguide is provided having at least first and second diffraction regions, the first diffraction region being arranged to diffract image-bearing light propagating along the waveguide so as to expand it in a first dimension and to turn the image-bearing light towards the second diffraction region, the second diffraction region being arranged to diffract the image-bearing light so as to expand it in a second dimension and to release it from the waveguide as a visible image. The first diffraction region is formed by first diffraction grating embedded within the waveguide, arranged to present a substantially similar profile to the image-bearing light when incident upon the grating from a given angle above or below the grating such that the polarisation of the image bearing light is rotated by substantially similar amounts, but in opposite directions, by successive interactions with the first diffraction region. This enables image-bearing light, emitted from the waveguide, to present an image of substantially uniform intensity. | 08-28-2014 |
20140293424 | INFORMATION RECORDING MEDIUM AND METHOD OF READING INFORMATION RECORDING MEDIUM, AND IMAGE DETECTION APPARATUS - In an information recording medium, in which an information recording medium has diffraction grating cells arranged therein, a plurality of types of the diffraction grating cells make up one information recording area. At least one type of the diffraction grating cells included in the diffraction grating cells making up the information recording area are information recording elements, while the other types of the diffraction grating cells included in the diffraction grating cells making up the information recording area are information hiding elements. The information is recorded by two-dimensional arrangement of the diffraction grating cells constituting the information recording elements in the information recording area. | 10-02-2014 |
20140300967 | SYSTEM AND METHOD FOR PROJECTING SYNTHETIC IMAGERY AND SCENIC IMAGERY USING AN OPTICAL COMPONENT COMPRISING A DIFFRACTIVE OPTICAL ELEMENT PATTERN - A display system includes an optical component having a first and second surface, wherein the first surface comprises a diffractive optical element, and a projector system to create a projected image on the optical component. The projector includes an illumination source that emits electromagnetic radiation within a predetermined spectral band, an image generator that ascribes image characteristics to the radiation, and an optically-powered component that directs the radiation at the first surface of the optical component. The diffractive optical element reflects at least a portion of the radiation in a predetermined direction. The optical component has zero optical power for transmitted light. The optical component transmits at least a portion of the ambient scenery within a predetermined spectral band within a field-of-view of the projected image. The projected image maintains substantial boresight alignment with the ambient image. | 10-09-2014 |
20140376091 | OPTIONALLY TRANSFERABLE OPTICAL SYSTEM WITH A REDUCED THICKNESS - An optionally transferable optical system with a reduced thickness is provided. The inventive optical system is basically made up of a synthetic image presentation system in which one or more arrangements of structured image icons are substantially in contact with, but not completely embedded within, one or more arrangements of focusing elements. The focusing element and image icon arrangements cooperate to form at least one synthetic image. By way of the subject invention, the requirement for an optical spacer to provide the necessary focal distance between the focusing elements and their associated image icon(s) is removed. As a result, overall system thicknesses are reduced, suitability as a surface-applied authentication system is enabled, and tamper resistance is improved. | 12-25-2014 |
20150062707 | HEAD MOUNTED DISPLAY - A head-mounted or helmet-mounted display apparatus is provided. The apparatus includes an optical element which in use is disposed in front of the eyes of a user. The optical element comprises a waveguide portion. The apparatus further includes a first light source and a second light source of image-bearing light. The apparatus further includes first diffraction element for propagation of image-bearing light of the first light source through the optical element. The apparatus further includes a second diffraction element for propagation of image-bearing light of the second light source through the optical element. The first light source and the second light source is disposed such that relative angular movement of the first light source and the second light source about an axis of symmetry of the optical element adjusts the inter-pupillary spacing of a first visible image and a second visible image presented to a respective eye of a user. | 03-05-2015 |
20150103404 | WEARABLE LASER BASED DISPLAY METHOD AND SYSTEM - The present invention is directed to wearable display technologies. More specifically, various embodiments of the present invention provide wearable augmented reality glasses incorporating projection display systems where one or more laser diodes are used as light source for illustrating images with optical delivery to the eye using transparent waveguides. In one set of embodiments, the present invention provides wearable augmented reality glasses incorporating projector systems that utilize transparent waveguides and blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides wearable augmented reality glasses incorporating projection systems having digital lighting processing engines illuminated by blue and/or green laser devices with optical delivery to the eye using transparent waveguides. In one embodiment, the present invention provides wearable augmented reality glasses incorporating a 3D display system with optical delivery to the eye using transparent waveguides. There are other embodiments as well. | 04-16-2015 |
20150293357 | OPTICAL DEVICE - An optical device that is capable of producing an image in the air includes a substrate having a reflective diffraction region formed into a net structure, and a light radiation unit which radiates a light beam onto one surface of the substrate. The diffraction region is capable of collecting light beams that are diffracted in the upper space of one surface of the substrate by diffracting the light beam which is incident on one surface of the substrate. Here, the light radiation unit may have a display source that generates the light beams which form the image, and a lens portion that radiates the generated light beams onto the substrate. | 10-15-2015 |
20150323805 | DIFFRACTION GRATING FOR USE WITH A MULTI-LAYERED DISPLAY SYSTEM - A display device is described and includes a first display screen including a mask pattern of a pixel. The display device includes a second display screen including the mask pattern, wherein the second display screen is located further from a front of the display device than the first display screen, wherein the front of the display device is closest to a viewer. The display device includes a diffraction element configured to copy the mask pattern of the second display screen into one or more viewable copies in order to minimize moiré interference with the mask pattern of the first display screen. | 11-12-2015 |
20150346506 | OPTICAL LENS AND VIRTUAL IMAGE DISPLAY MODULE - An optical lens, adapted for transmitting an image light beam generated by an image display unit to at least one eye of a user. The optical lens includes a reflecting unit, an L-type lens and a diffractive optical element. The reflecting unit, the L-type lens and the diffractive optical element are disposed on a transmission path of the image light beam. The L-type lens has a first portion and a second lens portion integrally molded with each other. The first lens portion is disposed between the image display unit and the reflecting unit. The second lens portion is disposed between the reflecting unit and the eye. The image light beam is transmitted to the eye through the first lens portion, the reflecting unit, the second lens portion and the diffractive optical element to provide a virtual image. Besides, a virtual image display module is also provided. | 12-03-2015 |
20150352881 | SECURITY DEVICE - A security device includes a plurality of diffractive surface elements arranged on a carrier element. Each individual diffractive surface element can have a three-dimensional surface structure. A portion of the plurality of the diffractive surface elements can form a first surface element group. An orientation of the diffractive surface elements in the first surface element group can be matched to each other wherein they make a first point of an associated symbol to be represented visible. A plurality of additional surface element groups each can make a respective additional point of the symbol to be represented visible. The symbol can include a sum of all points represented by the first surface element group and the plurality of additional surface element groups. A movement of the symbol can be perceived by the continuous change in an angle of incidence of the light or an observation angle. | 12-10-2015 |
20160003990 | DISPLAY - A display includes a transparent base having one surface on which a structure-forming layer, a light reflection layer and a protective layer are sequentially laminated. The light reflection layer reflects part of the incident light, while transmitting therethrough the rest of the light. The structure-forming layer includes a plurality of structure areas, and each of the plurality of structure areas is formed of a concavo-convex structure. | 01-07-2016 |
20160116649 | NANOSTRUCTURE ARRAY DIFFRACTIVE OPTICS FOR MOTION AND ANIMATION DISPLAY - A motion and animation display is disclosed, including multiple nanostructure arrays oriented at differing relative angles of rotation corresponding to multiple frames of an animation image, wherein the multiple nanostructure arrays are formed on a single substrate layer. An optical display device is also disclosed, including a substrate having a surface, a first frame of an animated image comprising a first optical sub-wavelength nanostructure array formed on or in the surface of the substrate, and a second frame of an animated image comprising a second optical sub-wavelength nanostructure array formed on or in the surface of the substrate, where the second nanostructure array is rotated relative to the first nanostructure array by a first relative angle of rotation. A method of manufacturing a motion and animation display comprising multiple nanostructure arrays oriented at differing relative angles of rotation is also disclosed. | 04-28-2016 |
20160124229 | OPTICAL ELEMENT, ELECTRO-OPTICAL DEVICE, AND MOUNTED DISPLAY APPARATUS - An optical element includes a light guide is provided with a incidence section and a emission section, a semitransmissive reflective film is provided in the inside of the light guide, a first diffraction element is provided in the incidence section, and is provided with a plurality of gratings, a second diffraction element is provided in the emission section, and is provided with a plurality of gratings, and a reflective film is provided in the incidence section in a periphery of the first diffraction element, in which the pitch of the plurality of gratings of the first diffraction element is equivalent to the pitch of the plurality of gratings of the second diffraction element, and each extension direction of the plurality of gratings of the first diffraction element is the same direction as each extension direction of the plurality of gratings of the second diffraction element. | 05-05-2016 |
20160146984 | Methods for Fabricating Color Image Display Devices Comprising Structural Color Pixels from a Generic Stamp - Methods for rapidly fabricating color image display for any given color image from a prefabricated generic stamp comprising arrays of structural pixels. The pixels are composed of micro-gratings and/or sub-wavelength structures that give structural colors. Different methods based on micro-patterning techniques may be used to fabricate the color image display devices, including: 1) selectively masking the generic stamp and imprinting from the masked stamp; 2) imprinting from the generic stamp and thermal-optical patterning on an imprinted layer. The fabricated color image display device can further function as a stand-alone display device or a color image stamp for replicating multiple color image display devices. | 05-26-2016 |
20160152065 | DISPLAY AND LABELED ARTICLE | 06-02-2016 |
20160167422 | Optically Variable Element | 06-16-2016 |
20160187654 | SEE-THROUGH NEAR-EYE DISPLAY GLASSES WITH A LIGHT TRANSMISSIVE WEDGE SHAPED ILLUMINATION SYSTEM - An optical assembly includes a wedge optic. The wedge optic includes an input edge, an angled surface adjacent the input edge, and an unangled surface adjacent the input edge and opposite the angled surface. The optical assembly further includes an LED lighting system optically coupled to the input edge such that unmodulated light from the LED lighting system enters the wedge optic through the input edge. The angled surface reflects the unmodulated light out of the unangled surface to irradiate a reflective image display to produce an image of modulated light that is reflected back through the unangled surface and the angled surface. | 06-30-2016 |
20160377862 | SYSTEM FOR AND METHOD OF INTEGRATING HEAD UP DISPLAYS AND HEAD DOWN DISPLAYS - A method or system can be used with an aircraft or other vehicle. The system can include or the method can use a waveguide disposed above and below a top surface of a glare shield. The waveguide can be part of a head up display (HUD). The waveguide can be disposed to cover at least part of the head down display to provide an integrated display. | 12-29-2016 |
20160377871 | SPATIALLY MULTIPLEXED LENS FOR HEAD MOUNTED DISPLAY - An optical combiner includes an off-axis spatially multiplexed lens optically coupled to receive image light and direct the image light in an eye-ward direction. The off-axis spatially multiplexed lens includes a first sub-lens multiplexed with a second sub-lens. The first sub-lens and the sub-lens are configured to direct the image light to designated eyeward-regions. | 12-29-2016 |
20170235146 | An Apparatus and Method for Providing an Image | 08-17-2017 |
20190143736 | OPTICAL DEVICE, DISPLAY BODY, DEVICE PROVIDED WITH A DISPLAY BODY, OPTICAL FILTER, AND METHOD FOR MANUFACTURING AN OPTICAL DEVICE | 05-16-2019 |