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Hologram patents

      

This page is updated frequently with new Hologram-related patent applications.




 Volume holograms for security documents patent thumbnailnew patent Volume holograms for security documents
A method for producing a security document comprising a volume hologram, including the steps of: applying an optically sensitive material onto a first surface of a substrate in a first region of the first surface; and irradiating the optically sensitive material with patterned radiation configured for recording a volume hologram within the optically sensitive material.. .
Innovia Security Pty Ltd


 Foil composite card patent thumbnailFoil composite card
Composite cards formed in accordance with the invention include a security layer comprising a hologram or diffraction grating formed at or in the center, or core layer of the card. The hologram may be formed by embossing a designated area of the core layer with a diffraction pattern and depositing a thin layer of metal on the embossed layer.

 Plasmonic multicolor meta-hologram patent thumbnailPlasmonic multicolor meta-hologram
A phase-modulated optical component for the visible spectrum is provided and is capable of producing images in three primary colors. The phase-modulated optical component is primarily structured by a plurality of aluminum nanorods that are arranged in several two-dimensional arrays to form a plurality of pixels.
Academia Sinica


 Mobile terminal and  controlling the same patent thumbnailMobile terminal and controlling the same
Disclosed are a mobile terminal having a hologram output unit and a method for controlling the same. The mobile terminal, comprises: a hologram output unit configured to output a hologram object to an output space outside the mobile terminal; an image sensor configured to sense a portion of a human body located within the output space of the hologram object; a feedback output unit configured to output a feedback signal; and a controller configured to: determine a relative position between the hologram object output by the hologram output unit and the portion of the human body sensed by the image sensor; detect, based on the relative position between the hologram object and the portion of the human body, that the portion of the human body approaches the hologram object, and control, based on the detection that the portion of the human body approaches the hologram object, the feedback output unit to transmit the feedback signal towards the portion of the human body that is detected to approach the hologram object..
Lg Electronics Inc.


 Systems, articles, and methods for integrating holographic optical elements with eyeglass lenses patent thumbnailSystems, articles, and methods for integrating holographic optical elements with eyeglass lenses
Systems, articles, and methods that integrate photopolymer film with eyeglass lenses are described. One or more hologram(s) may be recorded into/onto the photopolymer film to enable the lens to be used as a transparent holographic combiner in a wearable heads-up display employing an image source, such as a microdisplay or a scanning laser projector.
Thalmic Labs Inc.


 Method of marking a holographic matrix and holographic matrix produced by this method patent thumbnailMethod of marking a holographic matrix and holographic matrix produced by this method
A method of marking a holographic matrix. The method includes forming the holographic matrix, which is designed to produce holograms by printing.
Advanced Track And Trace


 Holographic augmented authoring patent thumbnailHolographic augmented authoring
Holographic augmented authoring provides an extension to personal computing experiences of a universal or conventional productivity application. A user interface of a productivity application executing on a personal computing device can be switched from a touch or conventional mode to a holographic mode, which opens communication between the personal computing device and a holographic enabled device providing a mixed reality system.
Microsoft Technology Licensing, Llc


 Fast generation of digital holograms patent thumbnailFast generation of digital holograms
Fast processing of information represented in digital holograms is provided to facilitate generating a hologram for displaying three-dimensional (3-d) holographic images representative of a 3-d object scene on a display device. A holographic generator component (hgc) can receive or generate visual images, comprising depth and parallax information, of a 3-d object scene.
City University Of Hong Kong


 Apparatus for holographic display patent thumbnailApparatus for holographic display
Provided is a holographic display apparatus including a motor configured to synchronize with a hologram transmitted based on user's point of view and to rotate; a spatial light modulator configured to load hologram data generated based on the user's point of view in a fixed position state and to perform a light modulation; a mirror configured to provide the hologram which is light-modulated by the spatial light modulator according to the user's point of view during the rotation by rotation operation of the motor; and a hologram correction unit configured to compensate a rotation error between the fixed spatial light modulator and the rotating mirror and to provide a corrected hologram data to the spatial light modulator.. .
Electronics And Telecommunications Research Institute


 Method of producing volume hologram laminate patent thumbnailMethod of producing volume hologram laminate
A main object of the present invention is to provide a method of producing a volume hologram laminate which can regenerate a hologram image in an arbitrary wavelength by a simple process. To attain the object, the present invention provides a method of producing a volume hologram laminate using a volume hologram forming substrate which comprises: a substrate, a volume hologram layer formed on the substrate and containing a photopolymerizable material, a resin layer, formed on the substrate so as to contact to the volume hologram layer, containing a resin and a polymerizable compound, characterized in that the producing method comprises processes of: a hologram recording process to record a volume hologram to the volume hologram layer, a substance transit process of transiting the polymerizable compound to the volume hologram layer, and an after-treatment process of polymerizing the polymerizable compound..
Dai Nippon Printing Co., Ltd.


Skew mirrors, methods of use, and methods of manufacture

An optical reflective device referred to as a skew mirror, having a reflective axis that need not be constrained to surface normal, is described. Examples of skew mirrors are configured to reflect light about a constant reflective axis across a relatively wide range of wavelengths.
Akonia Holographics, Llc

Fast feature identification for holographic tracking and characterization of colloidal particles

A method and system for identification of holographic tracking and identification of features of an object. A holograph is created from scattering off the object, intensity gradients are established for a plurality of pixels in the holograms, the direction of the intensity gradient is determined and those directions analyzed to identify features of the object and enables tracking of the object.
New York University

High resolution projection micro-stereolithography system and method

A high-resolution pμsl system and method incorporating one or more of the following features with a standard pμsl system using a slm projected digital image to form components in a stereolithographic bath: a far-field superlens for producing sub-diffraction-limited features, multiple spatial light modulators (slm) to generate spatially-controlled three-dimensional interference holograms with nanoscale features, and the integration of microfluidic components into the resin bath of a pμsl system to fabricate microstructures of different materials.. .

System, using birefringent lenses to create holograms from received electromagnetic radiation

The inventors have discovered a method to improve image quality in holography and, for the first time, utilize lenses made from birefringent materials to advantageously split an incoming beam of either coherent or incoherent light into two coincident beams with different focal lengths that interfere with one another and thus create holograms free of electro-optical or pixelated devices. This discovery has many advantages over current methods to create holograms in which many components, including multiple lenses, other electro-optical devices, and/or beam paths are necessary to create holograms.
Celloptic, Inc.

Mapping input to hologram or two-dimensional display

Various embodiments relating to editing holograms by extending real world interfaces are disclosed. One embodiment includes a computing device configured to communicatively couple to a head mounted display device having an at least partially see-through display.

Aromatic glycol ethers as writing monomers in holographic photopolymer formulations

The invention relates to a photopolymer formulation comprising specific aromatic glycol ethers as writing monomers, matrix polymers and a photoinitiator. The invention further provides an unexposed holographic medium obtainable using an inventive photopolymer formulation, and an exposed holographic medium obtainable by exposing a hologram into an inventive unexposed holographic medium.
Covestro Deutschland Ag

Food freshness card

A food freshness card is disclosed which emits energy tuned to the natural frequency of fresh foods. The card may include a material programmed using scalar waves.

Holographic-stereogram-forming apparatus, diffusing member, and holographic-stereogram-forming method

A holographic-stereogram-forming apparatus includes a laser beam source that generates a laser beam to be split into an object beam and a reference beam; a display that displays an original image corresponding to a substantially strip-shaped holographic element constituting a holographic stereogram containing parallax information in a horizontal direction; a diffusing unit provided on a light-emission side of the display and including optical elements having different thicknesses in a direction of light transmission, the optical elements being arranged in a matrix and each having a substantially rectangular shape with a vertical length being shorter than a horizontal length, the diffusing unit diffusing object beam more widely in the vertical direction than in the horizontal direction, the object beam to be diffused by the diffusing unit being generated by the display; and a condensing unit that condenses the object beam diffused by the diffusing unit on a hologram recording medium.. .
Fuji Xerox Co., Ltd.

Near-ocular display based on hologram projection

A display device includes a two-dimensional array of tiles. Each tile includes a two-dimensional array of pixels and a lens, of a two-dimensional array of lenses.
Oculus Vr, Llc

Virtual photorealistic digital actor system for remote service of customers

A system for remote servicing of customers includes an interactive display unit at the customer location providing two-way audio/visual communication with a remote service/sales agent, wherein communication inputted by the agent is delivered to customers via a virtual digital actor on the display. The system also provides for remote customer service using physical mannequins with interactive capability having two-way audio visual communication ability with the remote agent, wherein communication inputted by the remote service or sales agent is delivered to customers using the physical mannequin.

Method for manufacturing security elements and holograms

The present invention relates to a method for forming a surface relief microstructure, especially an optically variable image (an optically variable device) on a transparent or translucent substrate and a product obtainable using the method. A further aspect of the invention is the use for the prevention of counterfeit or reproduction of a document of value and a method of forming a coating showing an angle dependent color change..
Basf Se

Devices and methods for holographic 3d imaging

A device, system and method for holographic 3d imaging. The device includes a laser light source that delivers a laser beam; an aperture disc including at least two pinholes, the laser beam being filtered by the pinholes so that a reference wave and an object wave are generated; a sample having a first area containing an object to be imaged and a second area without any object, in which the first area and the second area are illuminated by the object wave and the reference wave respectively; and an image sensor that captures an off-axis hologram for reconstructing an image of the object, in which the reference wave and the object wave are interfered on the image sensor and the hologram is captured based on an interference pattern of the reference wave and the object wave..
The Chinese University Of Hong Kong

Plate for creating holograms and manufacturing the plate

A plate for creating holograms or other light-bending or diffractive microstructures on web-shaped or sheet-shaped printing substrates includes a relief for a relief printing process. The relief is formed of one or more raised dies and one or more adjacent depressions.
Heidelberger Druckmaschinen Ag

Virtual photorealistic digital actor system for remote service of customers

A system for remote servicing of customers includes an interactive display unit at the customer location providing two-way audio/visual communication with a remote service/sales agent, wherein communication inputted by the agent is delivered to customers via a virtual digital actor on the display. The system also provides for remote customer service using physical mannequins with interactive capability having two-way audio visual communication ability with the remote agent, wherein communication inputted by the remote service or sales agent is delivered to customers using the physical mannequin.

Hologram recording device and hologram recording method

The present disclosure discloses a hologram recording device and a hologram recording method. The hologram recording device comprises an object imaging unit comprising a cavity for accommodating an object whose interior wall is a reflective surface, and a light modulating unit configured to produce incident light and reference light interfering with the incident light and to direct the incident light to the object imaging unit.
Boe Technology Group Co., Ltd.

Digital holographic device

The techniques, apparatus, material and systems are described for a portable camera device which can be attached to the camera port of a conventional transmission or reflection microscope for complex wave front analysis. At least one holographic element (bs, grating) splits the beam (s) containing the sample information in two beams (r,o) and filters (r′, o′) them.
Lyncee Tec S.a.

Color fill in an augmented reality environment

A method for operation a head-mounted computing device that includes capturing an image of a three-dimensional environment external to the head-mounted computing device and identifying a surface within the captured image that is eligible for color fill operation, based on similarities in color parameters of contiguous pixels in the captured image. The method further includes receiving a color fill request via user input at the head-mounted computing device, the request being for a predetermined color and performing a color fill operation on the identified surface in response to receiving the color fill request by (a) generating a fill hologram having the predetermined color and a shape that conforms to the shape of the identified surface, (b) displaying the fill hologram in a world-locked manner so as to overlay the identified surface as viewed through the see-through holographic display of the head-mounted display device..

Virtual place-located anchor

A method is disclosed that may include, in a creating phase: receiving an instruction to generate a virtual place-located anchor at a virtual location that is world-locked; receiving data items from a target data source; linking a subset of the data items to the virtual place-located anchor; and receiving a permission from a first user specifying a condition under which a second user may view one or more holograms of the subset of data items. In a viewing phase, first display data may be transmitted to cause a first display device to display the holograms to the first user at the virtual place-located anchor; and if the condition is satisfied, second display data may be transmitted to cause a second display device to display the holograms to the second user at the virtual place-located anchor..

Augmented reality for architectural interior placement

The invention is a method for utilizing an augmented reality headset with user generated 3d object holograms or third party vendor generated 3d model holograms to be placed or superimposed, upon a real world environment. The purpose is for interior design object placement and planning..

Hologram data generating method, hologram image reproduction method, and hologram image reproduction device

hologram data is generated by dividing hologram data generation area, in which hologram data is generated, into a plurality of element sub-areas, computing base hologram data that pertains to an area smaller than the hologram data generation area and that is to form an optical wavefront of an image to be reconstructed, and assigning, as hologram data of the element sub-areas4, hologram data of an entirety or a part of the area to which the base hologram data pertains. Consequently, the amount of operations for generating a hologram pattern in holographic display is reduced..
Olympus Corporation

Method and device for verifying diffractive elements

The invention relates to a method for authenticating a diffractive element, e.g., a hologram, on an object or document (2), wherein at least two images of the diffractive element are recorded by means of a portable device (1). The recordings are taken in different spatial orientations of the portable device in relation to the diffractive element.
U-nica Technology Ag

Image recognition using holograms of spectral characteristics thereof

The present invention generally extends to methods, systems, and devices that advantageously employ holograms to store and retrieve information about objects, and to compare objects.. .

Holographic interface for manipulation

The holographic interface for manipulation includes a holographic display unit for constructing and displaying a hologram and a motion detector for detecting movement and location of a physical command object, such as a user's finger or hand, relative to the displayed hologram. The motion detector is in communication with a controller for converting the detected location of the physical command object relative to its position with respect to the displayed hologram into a command signal.

Adjusted location hologram display

A method for displaying holograms may include displaying an initial hologram via a display device comprising an at least partially see-through display, the initial hologram located on a virtual surface at an initial virtual location. Subsequently, an instruction is received to display a subsequent hologram on the virtual surface at a subsequent virtual location.

Holograms using birefringent lenses

Techniques to improve image quality in holography utilizing lenses made from materials with non-quantized anisotropic electromagnetic properties, such as birefringent materials, to advantageously split an incoming beam of light into two coincident beams with different focal lengths that interfere with one another and thus create holograms free of electro-optical or pixelated devices are disclosed. Corresponding systems, methods and apparatuses are described..

Coating compositions for security elements and holograms

The present invention relates to the use of coating compositions, comprising shaped transition metal, especially silver, particles and a binder, wherein the ratio of pigment to binder is preferably such that the resulting coating shows an angle dependent colour change, for the production of security elements and holograms. When the coating compositions of the present invention are used in coating a hologram the obtained products show a an angle dependent colour change (flip/flop effect), different colours in reflection and transmission, an extremely bright ovd image and extremely strong rainbow effect, high purity and contrast..
Basf Se

Motion based view matrix tuning

Various embodiments relating to using motion based view matrix tuning to calibrate a head-mounted display device are disclosed. In one embodiment, the holograms are rendered with different view matrices, each view matrix corresponding to a different inter-pupillary distance.

Illumination device, projection apparatus and projection-type image display apparatus

An illumination device has an optical device and an irradiation unit. The irradiation unit has a light source emitting a coherent light beam, and a scanning device capable of adjusting a reflection angle of the coherent light beam emitted from the light source.
Dai Nippon Printing Co., Ltd.

Alignment based view matrix tuning

A head-mounted display device is disclosed, which includes an at least partially see-through display, a processor configured to detect a physical feature, generate an alignment hologram based on the physical feature, determine a view of the alignment hologram based on a default view matrix for a first eye of a user of the head-mounted display device, display the view of the alignment hologram to the first eye of the user on the at least partially see-through display, output an instruction to the user to enter an adjustment input to visually align the alignment hologram with the physical feature, determine a calibrated view matrix based on the default view matrix and the adjustment input, and adjust a view matrix setting of the head-mounted display device based on the calibrated view matrix.. .

Optical information device and optical information processing method

An optical information device and an optical information processing method which can perform high-speed and accurate positioning are provided. An optical information device which reproduces information from and/or records information on an optical information recording medium on which interference patterns between signal light and reference light are recorded as a hologram includes: an optical system which emits an optical beam; an aperture unit which passes at least a portion of reproduced light acquired when the optical beam from the optical system is radiated onto the optical information recording medium; a first detection unit which detects at least a portion of the reproduced light; a second detection unit which detects the position of the aperture unit; and a control unit which, based on a first signal acquired from the first detection unit and a second signal acquired from the second detection unit, controls the position of the aperture unit..
Hitachi Consumer Electronics Co., Ltd.

System for producing ultra-thin color phase hologram with metasurfaces

A device for producing a subwavelength hologram. The device comprises a metasurface layer attached to a substrate.
Purdue Research Foundation

Image display device and image display medium

An image display device includes image cells arranged two-dimensionally. Each image cell has a hologram layer.
Toppan Printing Co., Ltd.

Illumination apparatus using a coherent light source

A laser beam (l50) generated by a laser light source (50) is reflected by a light beam scanning device (60), and irradiated onto a hologram recording medium (45). On the hologram recording medium (45), an image (35) of a scatter plate is recorded as a hologram by using reference light that converges on a scanning origin (b).
Dai Nippon Printing Co., Ltd.

Systems, devices, and methods for angle- and wavelength-multiplexed holographic optical elements

Systems, devices, and methods for combined angle- and wavelength multiplexing in holographic optical elements (“hoe”) are described. An angle- and wavelength-multiplexed hoe includes multiple angle-multiplexed sets of wavelength-multiplexed holograms.
Thalmic Labs Inc.

Holographic display apparatus and holographic display providing enhanced image quality

A holographic display apparatus includes: a light source configured to emit light; a spatial light modulator configured to sequentially generate hologram patterns for modulating the light and to sequentially reproduce frames of hologram images based on the hologram patterns; and a controller configured to provide hologram data signals to the spatial light modulator, the hologram data signals being used to sequentially generate the hologram patterns. The controller is configured to further provide, to the spatial light modulator, diffraction pattern data signals for forming periodic diffraction patterns for adjusting locations of the hologram images to be reproduced on a hologram image plane, the diffraction pattern data signals being configured to move the periodic diffraction patterns on the spatial light modulator along a predetermined direction for each of the frames..
Samsung Electronics Co., Ltd.

Apparatus and recording fresnel holograms

An apparatus for producing a hologram of an object includes a light source that emits an incoherent electromagnetic wave toward the object, and a masking device configured to display a mask, receive the incoherent electromagnetic wave emitted toward the object, mask the received incoherent electromagnetic wave according to the displayed mask, and produce a masked electromagnetic wave. The apparatus also includes an image recording device configured to capture an image of the masked electromagnetic wave, and a processing device configured to convert the image of the masked electromagnetic wave into the hologram of the object.
Celloptic, Inc.

System, ultra-resolved ultra-wide field-of-view multispectral and hyperspectral holographic microscopy

There is disclosed a novel system and method for achieving ultra-resolution, ultra-wide field-of-view multispectral and hyperspectral holographic microscopy and quantitative phase contrast microscopy. In an embodiment, the method comprises: providing a stationary illumination source; acquiring a plurality of low-resolution holograms of an image subject from different locations utilizing a subpixel sensor-scanning synthetic aperture mechanism whereby a detector scanning translationally, radially and/or rotationally; processing the acquired holograms utilizing a processing algorithm corresponding to the scanning motion of the detector used to acquire the holograms; and reconstructing a subpixel ultra-resolution image of the image subject based on the processed holograms; whereby, a desired synthetic aperture is achieved without loss of resolution.

Image processing method

Calculating a sum of the plurality of spectra to obtain the synthetic spectrum; multiplying the synthetic spectrum by a weight function associated with the spectrum space to obtain a normalized synthetic spectrum, each function value of the weight function corresponding to a respective position in the spectrum space and being associated with distribution of the plurality of spectra in the spectrum space; and performing the inverse fourier transform operation on the normalized synthetic spectrum to result in a normalized synthetic hologram.. .

Beam divergence and various collimators for holographic or stereoscopic displays

A holographic display with an illumination device, an enlarging unit and a light modulator. The illumination device includes at least one light source and a light collimation unit, the light collimation unit collimates the light of the at least one light source and generates a light wave field of the light that is emitted by the light source with a specifiable angular spectrum of plane waves, the enlarging unit is disposed downstream of the light collimation unit, seen in the direction of light propagation, where the enlarging unit includes a transmissive volume hologram realising an anamorphic broadening of the light wave field due to a transmissive interaction of the light wave field with the volume hologram, and the light modulator is disposed upstream or downstream of the anamorphic enlarging unit, seen in the direction of light propagation..
Seereal Technologies S.a.

Method for manufacturing diffractive optic element and image display device

A method for manufacturing a diffractive optic element by exposing hologram recording material includes exposure processing that divides a coherent beam radiated from one beam source into an object beam and a reference beam, and irradiates the hologram recording material with an exposure beam by interfering the object beam with the reference beam. In the exposure processing, an optic element, which adjusts beam intensity distribution of the exposure beam with which the hologram recording material is irradiated, is arranged in a path of one or both of the object beam and the reference beam..
Seiko Epson Corporation

Display device, in particular a head-mounted display, based on temporal and spatial multiplexing of hologram tiles

The invention relates to a display device, in particular a head-mounted display or hocular, having a spatial light modulator and a controllable light-deflecting device for generating a multiple image of the spatial light modulator, which consists of segments, the multiple image being produced at least with a predefinable number of segments which determines the size of a visible area within which a 3d-scene holographically encoded in the spatial light modulator can be reconstructed for observation by an eye of an observer.. .
Seereal Technologies S.a.



Hologram topics:
  • Holographic
  • Modulation
  • Visibility
  • Holographic Data Storage
  • Control Unit
  • Phase Modulation
  • Spatial Modulation
  • Contrast Ratio
  • Imaging System
  • Processing Device
  • Recording Device
  • Calibration
  • Data Storage
  • Reproduction
  • Light Guide


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    This listing is a sample listing of patent applications related to Hologram for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Hologram with additional patents listed. Browse our RSS directory or Search for other possible listings.


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