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WO/2024/152051A1 |
Disclosed herein is various waveguide-based displays. One particular waveguide-based display includes a bottom substrate supporting a slanted grating. The bottom substrate is configured to maintain light in total internal reflection (TIR...
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WO/2023/055973A9 |
An embodiment of an energy system configured to receive imaged light at least one imaged source and direct focused imaged light along an output energy path comprises a first energy subsystem comprising at least one energy focusing elemen...
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WO/2024/146891A1 |
Disclosed is an optical system comprising a microscope admitting an optical axis, a light source for the microscope and a self-referenced phase-imaging system. The light source is configured to illuminate an object space. The microscope ...
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WO/2024/144035A1 |
The present invention relates to a hologram display system and a control method thereof, the hologram display system being capable of controlling in a non-contact manner a holographic image displayed through a holographic display device,...
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WO/2024/143609A1 |
Disclosed are a conversion method for a reproduction wavelength of a hologram pattern, and a device therefor. A conversion device for a reproduction wavelength converts, when a hologram pattern of a first wavelength is received, the holo...
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WO/2024/143599A1 |
A hologram printing method enabling the reproduction of 3D video is provided. A method of manufacturing a video hologram film according to an embodiment of the present invention comprises: rendering, in the same column, images having the...
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WO/2024/143626A1 |
An optical device for generating a holographic image, of the present invention, comprises: a laser light source that irradiates parallel light; a first optical system including a reflective spatial light modulator (SLM) that reflects lig...
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WO/2024/143600A1 |
A method for reproducing a multi-depth image by using an HOE is provided. An HOE recording method for an HUD capable of reproducing a multi-depth image, according to an embodiment of the present invention, comprises: rotating, in steps, ...
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WO/2024/143598A1 |
A method for reducing latency in a holographic near-eye display is provided. The method for a near-eye display, according to an embodiment of the present invention, detects a movement of an observer and moves an image displayed on a near...
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WO/2024/131616A1 |
A compressed ultrafast holographic quantitative phase imaging method, a system, a device, and a medium. The method comprises: performing encoding processing on multiple interference images of a sample to obtain an encoded image (S100); p...
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WO/2024/136304A1 |
Disclosed is a method for inserting a holographic security code into a holographic recording medium. This method comprises: a first step in which a processor generates three-dimensional models for an actual security code object and an ac...
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WO/2024/135868A1 |
A method for creating a deep learning-based foveated computer-generated hologram (CGH) is provided. The method for creating a foveated CGH, according to an embodiment of the present invention, divides 3D spatial information into a periph...
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WO/2024/138130A1 |
Incoherent FINCH holography is a simple single shot 3D super resolution imaging method based upon interference of two beams of unfocused light from a subject in focus. The inventors have discovered that in practice, high uniformity (symm...
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WO/2024/134200A1 |
An example holographic display may comprise an angularly dispersive micromirror array and an optical assembly configured to emit, towards the micromirror array, a first ray of light having a first wavelength and a second ray of light hav...
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WO/2024/126325A1 |
The invention relates to methods and systems for determining a pose, said methods and systems capturing and analysing a plurality of two-dimensional diffraction patterns. The plurality of two-dimensional diffraction patterns are caused b...
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WO/2024/128386A1 |
A hologram scaling method and a device therefor are disclosed. A hologram scaling device: inputs an input-hologram pattern, obtained by changing the size of an original-hologram pattern of an original object space, to an artificial neura...
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WO/2024/128393A1 |
A method for reading a hologram security code is disclosed. The method comprises the steps of: acquiring a plurality of holographic images by scanning a hologram security code, by means of a camera of a user terminal; restoring an origin...
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WO/2024/122704A1 |
A hologram generation method and device are disclosed. The hologram generation device: generates a calibration image for which a value of each pixel of a spatial domain image has been converted to a value in a predefined range; generates...
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WO/2024/124068A1 |
A laser device may include two rotated volume Bragg gratings (r-VBGs), where periods of the two r-VBGs are chirped along the respective grating vectors to vary along the respective grating vectors, where the two r-VBGs are spatially sepa...
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WO/2024/123803A1 |
An imaging system (100) is provided for in-line holographic imaging of a biological sample (12) on a sample carrier (10) for automated generation of representations of the biological sample (12) for infection analysis. The imaging system...
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WO/2024/121030A1 |
Various examples of the disclosure relate to coherent imaging techniques such as digital holography or Fourier ptychography. Aberrations are corrected. The aberrations are corrected according to the field location.
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WO/2024/122663A1 |
Provided are a multilayer embossed holographic sticker for preventing illegal duplication and a method for manufacturing same. The holographic sticker, according to embodiments of the present invention, comprises: a base layer; a hologra...
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WO/2024/124059A1 |
A beam combiner may include one or more light sources providing two or more input beams along two or more incidence paths and one or more rotated volume Bragg gratings (r-VBGs), where each of the r-VBGs is formed as planes of refractive ...
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WO/2024/124051A1 |
An optical isolator may include one or more rotated volume Bragg gratings (r-VBGs) within a volume of a material having an input face, where each of the r-VBGs reflects along a reflection path portions of input light propagating along an...
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WO/2024/117329A1 |
Provided is a 360-degree window hologram viewing device. The hologram viewing device according to an embodiment of the present invention allows 360-degree angle viewing by attachment of holographic prints, which can only be viewed within...
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WO/2024/117556A1 |
Provided is a holographic image rendering method for printing that does not require rearrangement. The holographic image rendering method, according to embodiments of the present invention, comprises generating holographic images at a -d...
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WO/2024/107033A1 |
An optical element manufacturing apparatus is disclosed. The optical element manufacturing apparatus may comprise: a light source for generating light; a light modulation device which is provided with the light from the light source, and...
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WO/2024/106672A1 |
The present invention relates to a scanning holography-based, substrates aligning device and method, the device comprising: a sample fixing part comprising a plurality of holders, arranged to hold and support both ends of respective subs...
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WO/2024/107032A1 |
Provided is a method for manufacturing an optical structure having a difference between physical properties of a first area, which has been irradiated with light, and a second area, which has not been irradiated with light, in a photorea...
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WO/2024/106551A1 |
Provided is a hologram film holder for a hologram printer. The hologram film holder according to an embodiment of the present invention comprises: a rail fixed to a stage of a holographic printer; a fixing part that is movably coupled to...
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WO/2024/107034A1 |
A photoreactive polymer composition is provided. The photoreactive polymer composition comprises a polymer matrix, a monomer, and a photoinitiator, wherein the polymer matrix may contain a copolymer of a first block constituting a main c...
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WO/2024/106374A1 |
A method for manufacturing a cured product for a hologram recording medium by causing a composition for a hologram recording medium to undergo a curing reaction, said composition including a compound (a) that has an isocyanate group and ...
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WO/2024/105311A2 |
The invention relates to an optical device comprising 3D graphics the appearance of which varies according to the viewpoint from which it is observed and/or the lighting conditions to which it is subjected. The appearance of one of its p...
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WO/2024/101499A1 |
A method and a system for reconstructing free-viewpoint 3D content on the basis of a 2D image are provided. A system according to an embodiment of the present invention obtains a plurality of images through photographing, estimates camer...
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WO/2024/101117A1 |
The present invention achieves a hologram recording of natural light with a configuration that can be manufactured affordably and easily. This recording device (10) comprises: a first reflective element (11) that reflects portion of obje...
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WO/2024/101752A1 |
A method for concurrently executing hologram rendering and printing in real time is provided. The hologram printing method according to an embodiment of the present invention loads 3D model data, renders a hologram image while moving a v...
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WO/2024/101604A1 |
The present invention relates to a system for acquiring holograms of different colors. According to the present invention, provided is a natural color hologram acquisition system, comprising: a multi-wavelength light source unit that gen...
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WO/2024/101751A1 |
A hologram printing method using real-time hologram printing data transmission is provided. In the real-time hologram printing method according to an embodiment of the present invention, when a rendering computer renders, one by one, vie...
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WO/2024/101485A1 |
A moving image hologram production method and system are provided. The hologram production method according to an embodiment of the present invention obtains multiple images constituting a moving image to generate multiple images, and ge...
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WO/2024/099979A1 |
The invention relates to an optical system (1) for 3-D imaging, comprising at least the following components: - an input aperture (2) with an optical axis (OA), - a first metalens array (3) and a second metalens array (4), and - a detect...
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WO/2024/098069A2 |
Disclosed herein is a holographic mixture and a method for manufacturing a holographic grating utilizing the holographic mixture. The holographic mixture includes a photoinitiator; reagents that promote adhesion to a substrate; photopoly...
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WO/2024/095753A1 |
The present disclosure pertains to: a display processing device which makes it possible to display a holographic image with little delay and by consuming little power; a display processing method; and a storage medium. The display proces...
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WO/2024/088839A1 |
Apparatus for manufacturing at least two diffractive optical elements is provided, the apparatus comprises: - a light source (1) configured for emitting electromagnetic laser radiation (2), - a phase modulator (9) configured for impartin...
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WO/2024/085208A1 |
This compound is a compound represented by formula (1). [In the formula, n represents an integer from 1-3. L1 represents a possibly branched, (n + 1)-valent linking group (but excluding chain saturated aliphatic hydrocarbon groups). ...
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WO/2024/075912A1 |
Disclosed are a non-hogel-based method and system for processing occlusion between a foreground light field and a background hologram of a computer-generated hologram. The non-hogel-based method for processing occlusion between a foregro...
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WO/2024/075888A1 |
A hologram projection apparatus, according to an embodiment of the present invention, comprises: a holographic image projection unit that projects a holographic test image for testing a holographic image onto a projection board through a...
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WO/2024/075561A1 |
This holographic optical system design method using a holographic optical system model (21) comprises: a step for receiving an optical condition (20) (step S1); a step for generating a holographic optical system model (21) (step S2); a s...
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WO/2024/069173A1 |
A method is provided, for measuring an optical path length of a sample having a first face (126a) and a second face (126b) on an opposing side of the sample to the first face. The method comprises receiving at a detector (150) interferen...
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WO/2024/071667A1 |
The present invention relates to a polarization-splitting double-scanning holography system for a reflector. The polarization-splitting double-scanning holography system according to the present invention comprises: a scan beam generatio...
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WO/2024/068780A1 |
The present invention relates to volumetric additive manufacturing (3D printing) through holograms for manufacturing high performance components with high mechanical properties at low cost and with low environmental impact from a wide va...
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