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Patent Searching and Data


Matches 1 - 50 out of 17,687

Document Document Title
WO/2019/077329A1
The present disclosure describes a method and system for forming a holographic structure (14) in a material (12). The holographic structure (14) is configured to project a selected target image (22) in the far field under illumination of...  
WO/2019/076963A1
The invention relates to a display device for depicting two-dimensional and/or three-dimensional objects or scenes. Said display device comprises at least one illuminating device for radiating sufficiently coherent light, at least one sp...  
WO/2019/076571A1
The invention relates to a copying apparatus (1; 1a) for producing a replication hologram (16) which represents a copy of a master hologram, comprising an object hologram (2) for producing an object wave (13) by means of a master signal ...  
WO/2019/078384A1
Disclosed are an improved holographic restoration device and method. The holographic restoration method of the present invention comprises the steps of: a) acquiring an object hologram of an object to be measured; b) generating a digital...  
WO/2019/077376A1
There are provided volume holograms and combinations of lenticular lenses and holograms in particular for security apllications. In embodiments, a volume hologram comprises a holographic medium (102) including a first optical interferenc...  
WO/2019/078670A1
A holographic image display device according to one embodiment comprises: an image display unit on which a holographic image is displayed; and a spatial impression providing unit which forms a space surrounding the holographic image, and...  
WO/2019/076985A1
Disclosed are illumination devices for motor vehicles, comprising a reflective hologram (2). A light-guiding element (1) is provided for directing light from a light source arrangement (4) onto the hologram (2).  
WO/2019/076572A1
The invention relates to an exposure device (300) for recording a hologram. The exposure device (300) comprises at least one modulation unit (304) embodied to produce a modulation beam (310) that represents a reference beam and/or an obj...  
WO/2019/070081A1
[Problem] To separate a Fourier-transform hologram-reproduced image and a volume-reflection hologram-reproduced image so as to allow observation. [Solution] A hologram element comprises a hologram layer recorded by superimposing: a first...  
WO/2019/070441A1
An optical device including a first rigid substrate, a flexible holographic optical element, a transparent flexible material having a variable shear transmission property across an in-plane direction of the flexible holographic optical e...  
WO/2019/062306A1
A holographic display method and device. The holographic display method comprises the steps of: obtaining an Nth diffraction order region corresponding to an eye position; calculating a holographic complex amplitude distribution correspo...  
WO/2019/067100A1
An electronic device may have a display system that produces images. The display system may have one or more pixel arrays such as liquid-crystal -on-silicon pixel arrays. Images from the display system may be coupled into a waveguide by ...  
WO/2019/063059A1
The invention relates to a method for generating an evaluation image (2) of an interference image recorded by means of an optical interference method, comprising the following steps: calculating a first Fourier image by means of a Fourie...  
WO/2019/067559A1
Augmented reality glasses include near eye displays the include sources of imagewise amplitude modulated light optical coupled to spatial phase modulators or active zone plate modulators and optically coupled to eye coupling optics. The ...  
WO/2019/057227A1
The invention relates to an add-on imaging module for the off-axis recording of polarization coded waves, that might be connected to any polarization adapted interferometric system, and which incorporates the first polarization sensitive...  
WO/2019/058137A1
There is herein defined optics (e.g. an array of optics) forming an optical beam to either produce a collimated or diverging/converging beam emerging from a virtual source point to illuminate a hologram. There is also described an optica...  
WO/2019/060141A1
A cell visualization system includes a digital holographic microscopy (DHM) device, a training device, and a virtual staining device. The DHM device produces DHM images of cells and the virtual staining device colorizes the DHM images ba...  
WO/2019/057768A1
An imaging device for in-line holographic imaging of an object (110) comprises: a set of light sources (102), wherein each light source (102) is configured to output light in a confined illumination cone; an image sensor (120), which com...  
WO/2019/048499A1
The invention relates to a method for producing a hologram (1), in particular a hologram (1) for security elements (1a) and/or security documents (1b). One or more virtual hologram planes (10) are arranged in front of and/or behind one o...  
WO/2019/048867A1
There is provided a holographic projector comprising a reflective liquid crystal display device. The reflective liquid crystal display device comprises a light-modulating layer between a first substrate and a second substrate substantial...  
WO/2019/049990A1
Provided is an optical modulation element which makes it possible to reproduce an optical image with a specific color other than iridescence when white light is incident, without having to provide a layer for selectively transmitting or ...  
WO/2019/016424A3
The invention relates to a folding holographic projection screen/diffuser of the type which, when assembled, forms a square-based pyramidal frustum (1) with four side faces (2), made from an essentially transparent material, but without ...  
WO/2019/044336A1
The present invention provides a holographic imaging device that can be produced as either a transmissive type or a reflection type and capable of achieving a wide field of view at a long operation distance or at ultra-high resolution, a...  
WO/2019/044932A1
The purpose of the present invention is to provide an advertisement medium that is capable of increasing the advertising effect by utilizing a hologram sheet. According to the present invention, on an advertisement medium, advertisement ...  
WO/2019/044933A1
The purpose of the present invention is to provide a camera filter which can be easily mounted, without misalignment, to the camera of a portable information terminal such as a smartphone or a tablet, does not interfere with the display,...  
WO/2019/039663A1
A disclosed holographic reconstruction device comprises: a first beam splitter for splitting a single-wavelength light beam provided by a light source unit, into first and second transmitted split beams; a plurality of optical mirrors fo...  
WO/2019/034328A1
A system for performing adaptive focusing of a microscopy device comprises a microscopy device configured to acquire microscopy images depicting cells and one or more processors executing instructions for performing a method that include...  
WO/2019/028582A1
The present invention is applicable to the field of digital television and provided thereby is an interactive digital television system, comprising a set-top box and a display connected to the set-top box; the set-top box comprises a pro...  
WO/2019/030032A1
A user interface (10) is proposed which comprises an operating element (20), a display unit (30) on the basis of aerial imaging technology, and an actuation sensor (40), with the aim of providing operating element inscriptions facing the...  
WO/2019/027923A1
A virtual control system that includes a control unit, a gesture recognition device, and a hologram generation device. The hologram generation device is configured to generate a hologram in a first volume of space. The gesture recognitio...  
WO/2019/027202A1
A method of coordinating a mixed-reality (MR) configured head-mounted display (HMD) with a separate media device to enable a synchronized user experience. The method includes establishing a communications channel between the HMD and the ...  
WO/2019/028066A1
According to one example, a working machine (10) includes a projection arrangement (36) to generate a hologram (38), wherein the hologram presents a virtual operating element or a virtual display and a movement/position detection arrange...  
WO/2019/020553A1
The invention relates to a layer structure comprising a photopolymer layer B and an at least partially hardened protective layer C, a process for manufacturing the layer structure of the invention, a kit of parts, the use of an at least ...  
WO/2019/020603A1
Optical article (200) comprising at least: - a substrate (201), and - a holographic waveguide (202) covering at least part of the substrate (201) and comprising : - two main surfaces (203, 204), at least one of them conforming to a surfa...  
WO/2019/016136A1
The present invention relates to surface functionalized titanium dioxide nanoparticles, a method for its production, a coating composition, comprising the surface functionalized titanium dioxide nanoparticles and the use of the coating c...  
WO/2019/018743A1
A system and method for light field generation is disclosed. A proposed holographic display system encodes views of a scene into surface acoustic waves (SAW signals) that propagate along waveguides of SAW modulators and/or optical signal...  
WO/2019/014261A1
A display system for presenting a holographic image to a viewer may comprise a coherent light source, a display element, and a computing device operatively connected to the coherent light source and the display element, the coherent ligh...  
WO/2019/012796A1
An information processing device according to an embodiment of the present invention comprises a calculation unit and an amplitude replacement unit. The calculation unit repeatedly executes: first light propagation calculation for propag...  
WO/2019/007474A1
The present invention pertains to differential digital holographic microscopy (DHM), wherein two birefringent plates (6 and 7) split up a sample light beam (5) emanating from an illuminated sample (3) in two different split directions, p...  
WO/2019/010332A1
An imaging system includes a diffusing element configured to couple portions of a light beam back into a laser diode. The system includes a diode laser driven into a chaotic regime by a combination of a diffuser and a modulated drive cur...  
WO/2019/010327A1
Disclosed are optical interrogation apparatus that can produce lens-free images using an optoelectronic sensor array to generate a holographic image of sample objects, such as microorganisms in a sample, and at least one deeply supervise...  
WO/2019/009722A2
An optical system is described that is adapted to reconstruct an interference light field comprising: a spatial light modulator comprising an array of pixels optically aligned to an optical element comprising an array of light point form...  
WO/2019/008411A1
A greeting card (1) incorporated with a holographic displaying device (10) capable of displaying holographical imagery from images being displayed on a screen of a mobile device. Specifically, the greeting card (1) that displays a hologr...  
WO/2019/009722A3
An optical system adapted to reconstruct an interference light field comprising: a spatial light modulator (104) comprising an array of pixels (106) optically aligned to an optical element (108) comprising an array of light point forming...  
WO/2019/004534A1
The present invention relates to a holographic fish bowl system and a method for using holographic images and, more specifically, to a holographic fish bowl system which is mounted to an actual fish bowl and is capable of allowing a user...  
WO/2019/001968A1
The invention relates to a method for digitally generating a hologram in a plane, referred to as a screen plane, from a three-dimensional scene, for a screen of a hologram display device intended to be carried by a user, the method compr...  
WO/2018/237239A1
The present invention includes method and device for label-free holographic screening and enumeration of tumor cells in blood for use in connection with cancer treatments and monitoring.  
WO/2018/231285A1
A calibration system for calibrating a tilt angle of the fast steering mirror includes a position sensing device configured to generate a beam of electromagnetic radiation, and a diffractive optical element, positioned between the positi...  
WO/2018/228807A1
A filter device (30) for an optical sensor (10, 20), comprising: - a hologram with a defined number of holographic functions, which are embodied in such a way that optical radiation striking the filter device (30) from a defined first so...  
WO/2018/225068A1
A holographic interferometer, comprising: at least one imaging device capturing an interference pattern created by at least two light beams; and at least one aperture located in an optical path of at least one light beam of the at least ...  

Matches 1 - 50 out of 17,687