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Matches 1 - 50 out of 17,822

Document Document Title
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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)...  
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...  
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...  
WO/2019/170679A1
HID Global CID SAS, Universit√© 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...  
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...  
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...  
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...  
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....  
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...  
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...  
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...  
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 ...  
WO/2019/122295A3
The invention relates to a display device for the representation of two-dimensional and/or three-dimensional scenes. The display device comprises at least one illumination system for emitting sufficiently coherent light, at least one spa...  
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 ...  
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...  
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;...  
WO/2019/149758A1
An optical device for forming a distribution of a three-dimensional light field comprises: an array of individually addressable unit cells; each unit cell in the array of unit cells comprising a stack including: at least one electrode; a...  
WO/2019/146804A1
The image reproduction device according to one aspect of the present invention comprises: a reflection hologram that reflects reproduction illumination light that is radiated from a first side so as to reproduce a reproduced image on the...  
WO/2019/146802A1
The stereoscopic image projection device according to one aspect of the present invention comprises: a stereoscopic image information holding part that includes information about a stereoscopic image; a reproduction light source that rad...  
WO/2019/140416A2
Disclosed are systems for directing energy according to holographic projection. Configurations of waveguide arrays are disclosed for improved efficiency and resolution of propagated energy through, tessellation of shaped energy waveguides.  
WO/2019/140414A1
Disclosed are systems and methods to render data from a 3D environment. The methods and systems of this disclosure utilize inverse ray tracing from a viewing volume to capture energy data from a 3D environment in a single rendering pass ...  
WO/2019/135796A1
Holographic volume gratings in waveguide cells can be recorded using many different methods and systems in accordance with various embodiments of the invention. One embodiment includes a holographic recording system including at least on...  
WO/2019/136171A1
A security device includes an image projection system that includes an array of focusing elements (101) and an array of image icon elements (103) disposed relative to each other such that a synthetic image is projected by the image proje...  
WO/2019/136473A1
Mastering systems and methods of fabricating waveguides and waveguide devices using such mastering systems are described. Mastering systems for fabricating holographic waveguides can include using a master to control the application of e...  
WO/2019/127144A1
The present invention relates to the technical field of holographic display, and particularly relate to a holographic display system and a display module (305). The display module (305) in the holographic display system comprises a suppo...  
WO/2019/132188A1
An optical system for a three-dimensional stereoscopic image display, according to exemplary embodiments, can comprise a changing mirror, a rotating mirror, a tilted mirror, a concave mirror and a planar mirror. The changing mirror can b...  
WO/2019/133572A1
In this disclosure, an optical component which comprises an array of metalenses is provided. Each metalens comprises a plurality of nanostructures and a dielectric layer and the nanostructures are disposed on the dielectric layer, and th...  
WO/2019/124802A1
A method for expressing a mapping pseudo-hologram through an individual image signal output of a real-time engine according to one embodiment of the present invention may comprise the steps of: (a) generating a partial viewpoint image in...  
WO/2019/121798A1
The present description concerns an optical security component (101) intended to be observed in reflection, by the naked eye, along at least one first observation face (100), comprising: a first layer (113) made from dielectric material,...  
WO/2019/126637A1
A light projection system comprising a light modulator that comprises a plurality of pixels each capable of selectively directing a corresponding modulatable amount of light, and a processor coupled to the light modulator to control the ...  
WO/2019/125178A1
A system and method for sorting and printing of cancer cells in general and more specifically a system and a method for enriching cancer cells in a sample using magneto-phoresis and cytology rotor in cell centrifuge using cytospin method...  
WO/2019/122452A1
A differentiation system for differentiating cells is described. A differentiation system comprises an input means for receiving holographic image data of a microscopic particle in suspension, a holographic image data processing means fo...  
WO/2019/117320A1
Provided are three-dimensional display system and method using an integrated image and holography. An image display system, according to an embodiment of the present invention, comprises: an LC for scattering or transmitting incident lig...  
WO/2019/116385A1
The present invention provides a system and method for generating and verifying holographic tags for identifying counterfeit items. The method comprises of combining the use of moire hidden text or flip-flop text with a uniquely coded ho...  
WO/2019/115901A1
The invention relates to a method for calibrating a device (10) for the analyisis of at least one element (11) present in a sample (12), said device (10) comprising: a detection assembly designed to acquire an image (Ih) formed by interf...  
WO/2019/112073A1
Disclosed is an improved holographic reconstruction device and method. A holographic reconstruction method according to the present invention comprises the steps of: a) acquiring an object hologram of an object to be measured; b) extract...  
WO/2019/112074A1
Disclosed is a device and method for generating an on-axis digital hologram and an off-axis digital hologram. A device for generating an on-axis digital hologram and an off-axis digital hologram according to the present invention compris...  
WO/2019/113551A1
A holographic 3D display system is described that (1) always presents true-colored and true-orthoscopic 3D images regardless of whether the object is thin or thick, or the image is virtual or real and (2) accomplishes an effective data/s...  
WO/2019/107637A1
A system and method for applying a digital hologram is provided. A method for applying a hologram according to an embodiment of the present invention comprises: receiving an input 3D model; converting the input 3D model according to a di...  
WO/2019/107901A1
Disclosed are a holographic display and a holographic image forming method using a holographic display. A holographic display comprises: an electrically addressable spatial light modulator (EASLM); a diffractive optical element (DOE) mas...  
WO/2018/102049A3
A metrology system is used for measuring a spectral feature of a pulsed light beam. The metrology system includes: a beam homogenizer in the path of the pulsed light beam, the beam homogenizer having an array of wavefront modification ce...  
WO/2019/102183A1
A holographic security or identification device (10) comprises an object, or a flexible substrate (12) configured to be conformable to a desired, curved shape; and a plurality of structures (14) formed on or in the object to have a desir...  

Matches 1 - 50 out of 17,822