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WO/2019/240078A1 |
A composition for a holographic recording medium comprising components (a-1) to (e-1), characterized in that the ratio of the total weight of propylene glycol units and tetramethylene glycol units contained in component (b-1) to the tota...
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WO/2019/240388A1 |
An HR box, according to the present invention, comprises: a display unit provided with a screen area where a full image is displayed; and a light reflection unit for providing the full image to the display unit, wherein the display unit ...
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WO/2019/237352A1 |
Disclosed is a holographic display system, comprising a display device (11), a total reflection device (12) and a retroreflection device (13), wherein the display device (11) is used for displaying an image to be holographically displaye...
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WO/2019/238397A1 |
The invention relates to a method for operating a display and operating device (10), wherein a control unit (14) of the display and operating device (10) carries out the following: specifying a graphic design of a display element (26) to...
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WO/2019/238881A1 |
The invention relates to a device for producing a hologram (52) and to a method for producing a hologram of this type. The device for producing the hologram comprises an optical writing unit (42), which produces a lattice structure in a ...
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WO/2019/238876A1 |
The invention relates to a device for producing a hologram (52) and to a method for producing such a hologram. The device for producing the hologram comprises an optical write unit (42) and an electrical write unit (EL1-EL4). The optical...
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WO/2019/233685A1 |
The invention relates to a computer-generated hologram (CGH) and a method for characterising the surface form of an optical element. In accordance with one aspect a CGH has a first region (121, 321, 421) having a useful structure (A) and...
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WO/2019/231137A1 |
The present invention relates to a holographic device, the holographic device comprising: a light source unit for outputting light; a parallel light film spaced apart from the light source unit, and receiving light output from the light ...
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WO/2019/228763A1 |
The invention relates to a method for determining a three- dimensional particle distribution (6) in a medium (M), comprising: emitting a coherent light beam (9) to irradiate the sample (3); recording an interference image (12) of the sca...
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WO/2019/231117A1 |
The present invention relates to a photopolymer composition and, more specifically, to a compound having a novel structure, a photopolymer composition comprising the compound as a dye, a hologram recording medium produced from the photop...
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WO/2019/228539A1 |
The present invention provides an imaging method, and an optical system and a storage medium, a chip, and a combination thereof. The method comprises: propagating an image on a virtual object plane to a virtual optical modulation plane a...
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WO/2019/229051A1 |
The invention relates to a diffractive optical element which comprises a first substrate (10) and a second substrate (11), between which a liquid crystal layer (14) is provided. The diffractive optical element also has strip-shaped elect...
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WO/2019/228280A1 |
A holographic optical element and a manufacturing method thereof, an image reconstruction method, and augmented reality glasses. The holographic optical element (1) comprises a substrate (101) and a recording material layer (102). At lea...
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WO/2019/225778A1 |
The present invention relates to a full color holographic display method in an FDM-based single SLM using a double shifting method, in which three PFP groups with different center offsets are precomputed so as to produce three channel im...
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WO/2019/223074A1 |
The present invention belongs to the technical field of photopolymerizable materials, and more specifically, relates to a double image storage material, a preparation method therefor and the use thereof. The double image storage material...
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WO/2019/224052A1 |
A light detection and ranging system arranged to scan a scene is provided. A light source outputs light having a first characteristic. A spatial light modulator receives output light from the light source and outputs spatially-modulated ...
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WO/2019/225776A1 |
The present invention relates to a three-dimensional video display system based on an in-line hologram with a simple structure having an omnidirectional viewing angle on the basis of a centrally symmetric multi-frequency band filtering m...
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WO/2019/225779A1 |
The present invention relates to a method for high-speed production of a hologram video for a three-dimensional object in a state of free motion according to a curved hologram-based rotational-motion compensation method on the basis of a...
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WO/2019/224474A1 |
The invention relates to a method and an apparatus that allow a fluorescent sample to be examined in two modes: - by fluorescence imaging, wherein the sample is optically conjugated to an image sensor (30); - by unfocused imaging, wherei...
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WO/2019/219711A1 |
There is provided a head-up display in a vehicle arranged to display a picture, the head-up display comprises a first optical sub-system disposed in an upper region of the windscreen and a second optical sub-system disposed underneath th...
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WO/2019/221811A1 |
An optical assembly includes a partial reflector that is optically coupled with a first polarization volume holographic element. The partial reflector is capable of receiving first light having a first circular polarization and transmitt...
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WO/2019/217409A1 |
Provided are methods for replication (copying) of volume Holographic Optical Elements (HOE) using a master hologram in optical contact with a prism, wherein the master hologram comprises distinct object and reference beam coupling elemen...
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WO/2019/217453A1 |
Systems and methods for copying a diversity of hologram prescriptions from a common master in accordance with various embodiments of the invention are illustrated. One embodiment includes a method of contact copying a hologram from a mas...
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WO/2019/217885A1 |
A system includes a robot, a ROS base station, and a holocontrol client, the robot communicatively linked to the ROS base station and the ROS base station communicatively linked to the holocontrol client.
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WO/2019/208840A1 |
The present invention proposes: a holographic optical element which forms a pattern according to a transmission-type hologram record method on the basis of a reference beam and an object beam performing multiple divergences; a method for...
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WO/2019/206528A1 |
The invention relates to the processing of an input hologram HE associated with an input plane PE, in order to obtain an output hologram HS displayable on a holographic screen SLM placed in a plane called the output plane PS of a display...
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WO/2019/200977A1 |
A two-dimensional holographic image projection display method. The method includes illuminating a first modulating part (111) of a spatial light modulator (11) with a first incident light beam at a first incident angle with respect to a ...
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WO/2019/200289A1 |
An all-optical Diffractive Deep Neural Network (D2NN) architecture learns to implement various functions or tasks after deep learning-based design of the passive diffractive or reflective substrate layers that work collectively to perfor...
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WO/2019/199235A1 |
There is provided a holographic optical element including: a hologram portion including a plurality of groups of unit regions, each group of unit regions of the hologram portion being configured to produce a respective holographic image ...
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WO/2019/195182A1 |
An optical filter to increase contrast of an image generated with a spatial light modulator includes a lens for spatially Fourier transforming modulated light from the spatial light modulator, and an optical filter mask positioned at a F...
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WO/2019/187332A1 |
The present invention provides a light-guiding plate which is applicable to incident rays over a wide ray angular range and wide wavelength rage, and is able to suppress a decrease in optical efficiency. A light-guiding plate 200 having ...
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WO/2019/190209A1 |
The present invention relates to a display device. In order to provide a display which may provide visual information having a three-dimensional depth sense, the display device comprises: a first display for outputting first light for fo...
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WO/2019/183376A1 |
Methods for selectively stimulating a plurality of light-responsive neurons in a sample are provided. Methods according to certain embodiments include irradiating a sample comprising a plurality of light-responsive neurons with a plurali...
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WO/2019/180810A1 |
An operator designates a specific measurement position on a hologram image displayed after imaging an entire culture plate via a holographic microscope. Then, a partial phase image and partial strength image are reconstructed from hologr...
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WO/2019/180808A1 |
A display processing unit (27) presents a hologram of an entire observation target area on a display unit (202) after hologram data of an entire culture plate (13) is acquired via a microscopic observation unit (10) that is a holographic...
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WO/2019/180432A1 |
Non-interferometric (fig 1) and interferometric (Fig 9) methods of manufacturing a diffractive optical device. The Non-interferometric method, comprising providing a photo-modifiable layer (2), controlling a spatial light modulation (11)...
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WO/2019/179687A1 |
The invention relates to a free-beam interferometry method for photocopying a sequence of cut surfaces inside a light-scattering object. The method allows the user to select a larger image field and/or a higher image resolution than poss...
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WO/2019/176427A1 |
Provided is a determination method capable of non-destructively and simply determining a state of a sphere that is an aggregate of a plurality of cells. A phase difference image of the sphere is generated from a hologram obtained by imag...
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WO/2019/170679A1 |
HID Global CID SAS, Université Jean Monnet Saint Etienne and Centre National de la Recherche Scientifique. The invention relates to a method for building at least one security image for a security structure of a security document from t...
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WO/2019/173113A1 |
A see-through transparent (or semi-transparent) near eye optical module includes a transparent sparsely populated near eye display comprising a plurality of pixels or pixel patches and a sparsely populated micro-lens array comprising a p...
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WO/2019/170036A1 |
A laser fabrication method and a laser fabrication system, the laser fabrication system comprises: an ultrafast laser source (101), configured to output a laser beam; and a digital micromirror device (DMD) (106), configured to receive, s...
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WO/2019/166190A1 |
Disclosed is a method and associated apparatus for measuring a characteristic of interest relating to a structure on a substrate. The method comprises calculating a value for the characteristic of interest directly from the effect of the...
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WO/2019/169030A1 |
A system includes a plurality of optical identifiers and a reader for the optical identifiers. Each optical identifier has an optical substrate and a volume hologram (e.g., with unique data, such as a code page) in the optical substrate....
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WO/2019/167947A1 |
The purpose of the present invention is to provide a compound that can make organic materials to have higher functionality. Provided are compounds represented by general formula (1): (in general formula (1), R101 to R104 are each indepen...
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WO/2019/165280A1 |
A system and a method for holographic refraction eye testing device is disclosed. The system renders one or more three dimensional objects within the holographic display device. The system updates the rendering of the one or more three d...
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WO/2019/162282A1 |
An optical device (100) for forming a distribution of a three-dimensional light field comprises: an array (102) of unit cells (104), a unit cell (104) being individually addressable for switching the optical property of the unit cell (10...
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WO/2019/156740A1 |
An optical data-storage system comprises a laser, an imaging optic, and associated computer logic. The laser is configured to emit a pulsed wavefront having uniform phase and polarization. The imaging optic is configured to modulate the ...
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WO/2019/156409A1 |
A multiple hologram display device according to the present invention allows two different image sources to be visually represented on two image presenting planes disposed at a predetermined interval from each other. At this time, it is ...
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WO/2019/156249A1 |
A hologram provided with a form layer and a reflection layer stacked together, the form layer having an optical phase modulation structure on a first interface with the reflection layer, wherein, in the event of reference light projected...
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WO/2019/149915A1 |
The invention pertains to a computer-implemented method for compensating motion for a digital holographic video stream, the method comprising:obtaining (1010) a sequence of frames representing consecutive holographic images of a scenery;...
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