| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 81 | ILLUMINATION APPARATUS AND DISPLAY APPARATUS | US15436750 | 2017-02-17 | US20170168452A1 | 2017-06-15 | Keigo MATSUO |
| Provided are an illumination apparatus that allows a reduction in thickness and a display apparatus that uses the illumination apparatus. The illumination apparatus includes a laminated illumination portion formed by layering illumination portions that each emit illumination light as a plane wave with a different wavelength. The illumination portions include light sources that emit light of a predetermined wavelength, optical waveguides that propagate the light emitted from the light sources, and gratings that diffract the light propagating through the optical waveguides and emit the light as the illumination light. | ||||||
| 82 | System, apparatus and method for extracting image cross-sections of an object from received electromagnetic radiation | US14331720 | 2014-07-15 | US09645548B2 | 2017-05-09 | Joseph Rosen |
| An apparatus and method to produce a hologram of a cross-section of an object includes an electromagnetic radiation assembly configured to receive a received electromagnetic radiation, such as light, from the object. The electromagnetic radiation assembly is further configured to diffract the received electromagnetic radiation and transmit a diffracted electromagnetic radiation. An image capture assembly is configured to capture an image of the diffracted electromagnetic radiation and produce the hologram of the cross-section of the object from the captured image. The hologram of the cross-section includes information regarding a single cross-section of the object. | ||||||
| 83 | Apparatus and method for fast generation of three-dimensional (3D) hologram | US14741934 | 2015-06-17 | US09575463B2 | 2017-02-21 | Dong Kyung Nam; Ho Cheon Wey; Seok Lee; Du Sik Park; Ju Yong Park |
| An apparatus for generating a hologram that may generate a three-dimensional (3D) hologram pattern at a high speed may include a pattern setting unit to set points for which hologram patterns are to be generated with respect to a one-eighth area of an entire area for which a hologram pattern is to be generated, a calculation unit to calculate pattern values for a plurality of reference points selected with respect to the one-eighth area of the entire area, and to generate a pattern for the one-eighth area using recurrent interpolation, and a pattern duplicating unit to complete a pattern for the entire area by duplicating the generated pattern for the one-eighth area. | ||||||
| 84 | Digital Holographic Device | US15115297 | 2015-02-05 | US20170003650A1 | 2017-01-05 | Christophe Moser; Zahra Monemhaghdoust; Frédéric Montfort; Christian Depeursinge; Yves Emery |
| 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. The proposed invention has a relaxed alignment sensitivity to displacement of the beam coming from the microscope. Besides since it compensates the coherence plane tilt angle between reference and object arms, it allows for creating high-visibility interference over the entire field of view. The full-field off-axis holograms provide the whole sample information. | ||||||
| 85 | Display with observer tracking | US14373942 | 2013-01-25 | US09529430B2 | 2016-12-27 | Norbert Leister |
| The invention relates to a display, in particular an autostereoscopic or holographic display, for representing preferably three-dimensional information, wherein the stereo views or the reconstructions of the holographically encoded objects can be tracked to the movements of the associated eyes of one or more observers in a finely stepped manner within a plurality of zones of the movement region. In this case, the zones are selected by the activation of switchable polarization gratings. | ||||||
| 86 | BEAM DIVERGENCE AND VARIOUS COLLIMATORS FOR HOLOGRAPHIC OR STEREOSCOPIC DISPLAYS | US15191596 | 2016-06-24 | US20160313695A1 | 2016-10-27 | Gerald FUTTERER |
| 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. | ||||||
| 87 | HOLOGRAPHIC HIGH POWER ILLUMINATION DISTRIBUTION SYSTEM | US14662913 | 2015-03-19 | US20160274539A1 | 2016-09-22 | Quinn Y. Smithwick |
| An illumination distribution system for distributing high power illumination to a set of projectors. The system includes a display element, such as a spatial light modulator (SLM), receiving light from a laser. The system includes a fiber optic array with connection locations for optical fibers. The system includes projectors that are each coupled to the fiber optic array at one or more of the connection locations with at least one optical fiber. The system includes a controller operating the display element at a first time to display a first hologram and at a second time to display a second hologram differing from the first hologram such that the laser light is split, with equal or unequal splitting ratios, into beams that are selectively directed to the connection locations of the fiber optic array (e.g., based on a 2D routing pattern used to generate the holograms). | ||||||
| 88 | OPTICAL PROCESSING | US14568750 | 2014-12-12 | US20160139559A2 | 2016-05-19 | Melanie Holmes |
| A modular routing node includes a single input port and a plurality of output ports. The modular routing node is arranged to produce a plurality of different deflections and uses small adjustments to compensate for wavelength differences and alignment tolerances in an optical system. An optical device is arranged to receive a multiplex of many optical signals at different wavelengths, to separate the optical signals into at least two groups, and to process at least one of the groups adaptively. | ||||||
| 89 | BACKLIGHT UNIT AND HOLOGRAPHIC DISPLAY INCLUDING THE SAME | US14673987 | 2015-03-31 | US20160065955A1 | 2016-03-03 | Sunil KIM; Chilsung CHOI; Jungkwuen AN; Alexander V. MOROZOV; Hongseok LEE; Andrey N. PUTILIN; German B. DUBININ; Sergey E. DUBYNIN |
| Provided are a backlight unit and a holographic display including the same. The backlight unit may include: a light guide plate; a light source unit configured to adjust a direction of light which is emitted from the light source unit and incident on the light guide plate; and a diffraction device which is disposed on the light guide plate and configured to control a direction of light emitted from the light guide plate. | ||||||
| 90 | Three-Dimensional Shape Measuring Device, Method for Acquiring Hologram Image, and Method for Measuring Three-Dimensional Shape | US14648740 | 2013-12-06 | US20150300803A1 | 2015-10-22 | Hideyoshi HORIMAI; Taizo UMEZAKI |
| [Problem] To provide a low-cost, high-precision three-dimensional shape measuring device using vibration-resistant phase shift digital holography.[Solution] A three-dimensional shape measuring device, wherein an object-light optical system allows object light to be incident on a polarization element for detecting relative phase differences in a first circularly polarized light state, a reference-light optical system allows a reference light to be incident on a polarization element for detecting relative phase differences in a second circularly polarized light state in the direction opposite from the first circularly polarized light, and the polarization element for detecting relative phase differences transmits a component of the object light, which is the first circularly polarized light, in the polarization direction of the polarization element for detecting relative phase differences, and a component of the reference light, which is the second circularly polarized light, in the polarization direction of the polarization element for detecting relative phase differences. The polarization direction of the polarization element for detecting relative phase differences is rotated to thereby vary the relative phase difference between the object light and the reference light transmitted through the polarization element for detecting relative phase differences and to acquire a plurality of hologram images having different relative phase differences. | ||||||
| 91 | Generating and displaying holograms | US13603895 | 2012-09-05 | US09164481B2 | 2015-10-20 | Peter Wai Ming Tsang |
| Techniques for generating 3-D holographic images of a 3-D real or synthetic object scene are presented. A holographic generator component (HGC) can obtain a real or synthetic 3-D object scene. The HGC generates a high-resolution grating, and generates a low-resolution mask based on the 3-D object scene. The HGC overlays the mask on the grating to generate the hologram, which can be a digital mask programmable hologram. The HGC can use the grating as an encryption key, if desired, wherein the mask can be encrypted based on the encryption key. The display component receives the hologram and can generate holographic images, based on the hologram, and display the holographic images using one or more low-resolution displays. The grating and display can be arranged in various formations in relation to each other. A single display can be partitioned into a tile structure for displaying holographic images in the respective tiles. | ||||||
| 92 | Back light unit providing direction controllable collimated light beam and 3D display using the same | US13716855 | 2012-12-17 | US09013773B2 | 2015-04-21 | Hyungseok Bang; Heejin Im; Guensik Lee |
| A back light unit providing a direction controllable collimated light beam and a three-dimensional display using the same is described. A back light unit comprises: a light source for generating light; and a light direction controller for converting the light from the light source into a direction controlled collimated light beam having a refraction angle, the direction controlled collimated light beam emitted to a predetermined area to generate a three-dimensional holographic image. The back light unit can provide direction controllable collimation light having uniform brightness distribution over a large diagonal area of the spatial light modulator with thin and simple structure. | ||||||
| 93 | Optical processing | US13677926 | 2012-11-15 | US08937759B2 | 2015-01-20 | Melanie Holmes |
| A modular routing node includes a single input port and a plurality of output ports. The modular routing node is arranged to produce a plurality of different deflections and uses small adjustments to compensate for wavelength differences and alignment tolerances in an optical system. An optical device is arranged to receive a multiplex of many optical signals at different wavelengths, to separate the optical signals into at least two groups, and to process at least one of the groups adaptively. | ||||||
| 94 | DISPLAY WITH OBSERVER TRACKING | US14373942 | 2013-01-25 | US20140361990A1 | 2014-12-11 | Norbert Leister |
| The invention relates to a display, in particular an autostereoscopic or holographic display, for representing preferably three-dimensional information, wherein the stereo views or the reconstructions of the holographically encoded objects can be tracked to the movements of the associated eyes of one or more observers in a finely stepped manner within a plurality of zones of the movement region. In this case, the zones are selected by the activation of switchable polarization gratings. | ||||||
| 95 | SYSTEM, APPARATUS AND METHOD FOR EXTRACTING IMAGE CROSS-SECTIONS OF AN OBJECT FROM RECEIVED ELECTROMAGNETIC RADIATION | US14331720 | 2014-07-15 | US20140327943A1 | 2014-11-06 | Joseph ROSEN |
| An apparatus and method to produce a hologram of a cross-section of an object includes an electromagnetic radiation assembly configured to receive a received electromagnetic radiation, such as light, from the object. The electromagnetic radiation assembly is further configured to diffract the received electromagnetic radiation and transmit a diffracted electromagnetic radiation. An image capture assembly is configured to capture an image of the diffracted electromagnetic radiation and produce the hologram of the cross-section of the object from the captured image. The hologram of the cross-section includes information regarding a single cross-section of the object. | ||||||
| 96 | COMPLEX SPATIAL LIGHT MODULATOR AND 3D IMAGE DISPLAY INCLUDING THE SAME | US14167754 | 2014-01-29 | US20140210960A1 | 2014-07-31 | Gee-young SUNG; Hwi KIM; Hoon SONG; Kang-hee WON; Hong-seok LEE |
| A complex spatial light modulator and a three-dimensional (3D) image display apparatus including the complex spatial light modulator are provided. The complex spatial light modulator includes: a spatial light modulator that modulates a phase of light; a prism array including a plurality of prism units, each of the plurality of prism units including a first prism surface and second prism surface, where light from the spatial light modulator is incident on the prism array; and a polarization-independent diffracting element that diffracts light that has passed through the prism array. | ||||||
| 97 | METHOD AND DEVICE FOR THE LAYERED PRODUCTION OF THIN VOLUME GRID STACKS, AND BEAM COMBINER FOR A HOLOGRAPHIC DISPLAY | US14124377 | 2012-06-06 | US20140126029A1 | 2014-05-08 | Gerald Fuetterer |
| The layered generation of at least one volume grating in a recording medium by way of exposure, the recording medium having at least one photosensitive layer which is sensitised for a presettable wavelength oft the exposure light. Each volume grating is generated in the recording medium by at least two wave fronts of coherent light capable of generating interference, the wave fronts being superposed in the recording medium at a presettable depth, at a presettable angle and with a presettable interference contrast. The depth and the thickness of the refractive index modulation and/or transparency modulation of a volume grating in the recording medium is controlled by depth-specific control of the spatial and/or temporal degree of coherence of the interfering wave fronts in the direction of light propagation. | ||||||
| 98 | GENERATING AND DISPLAYING HOLOGRAMS | US13603895 | 2012-09-05 | US20140065520A1 | 2014-03-06 | Wai Ming Tsang |
| Techniques for generating 3-D holographic images of a 3-D real or synthetic object scene are presented. A holographic generator component (HGC) can obtain a real or synthetic 3-D object scene. The HGC generates a high-resolution grating, and generates a low-resolution mask based on the 3-D object scene. The HGC overlays the mask on the grating to generate the hologram, which can be a digital mask programmable hologram. The HGC can use the grating as an encryption key, if desired, wherein the mask can be encrypted based on the encryption key. The display component receives the hologram and can generate holographic images, based on the hologram, and display the holographic images using one or more low-resolution displays. The grating and display can be arranged in various formations in relation to each other. A single display can be partitioned into a tile structure for displaying holographic images in the respective tiles. | ||||||
| 99 | APPARATUS AND METHOD FOR RECORDING FRESNEL HOLOGRAMS | US13890930 | 2013-05-09 | US20130258430A1 | 2013-10-03 | Joseph ROSEN |
| 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. A method for producing a hologram of an object is also described. | ||||||
| 100 | THIN FLAT TYPE CONVERGENCE LENS | US13678232 | 2012-11-15 | US20130120816A1 | 2013-05-16 | Minsung YOON; Sunwoo KIM; Minyoung SHIN |
| The present disclosure relates to a thin flat type convergence lens. The present disclosure suggests a thin flat type convergence lens including: a transparent substrate; and a film lens including a transparent film attached on one side of the transparent substrate and an interference fringe pattern written on the transparent film. The convergence lens according to the present disclosure has a merit of thin thickness and light weight even if it has large diagonal area, so it is easy to develop thin flat type large area holography 3D display system. | ||||||
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