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Patent Searching and Data


Matches 51 - 100 out of 16,289

Document Document Title
WO/2016/022249A1
This disclosure provides systems, methods and apparatus for illumination, such as for illuminating displays, including reflective displays. An illumination device (210) includes a light-extracting, diffusive holographic medium (280). The...  
WO/2016/019009A1
A photorefractive (PR) polymer composite (310) is provided that includes a charge transporting polymer (CTP) matrix (311) and a photosensitizer (312) comprising a quantum dot (QD) material (314) with a first band gap (315) coupled to a n...  
WO/2016/019324A3
A method for lens-free imaging of a sample or objects within the sample uses multi-height iterative phase retrieval and rotational field transformations to perform wide FOV imaging of pathology samples with clinically comparable image qu...  
WO/2016/017020A1
Provided is a holographic optical-information recording and reproducing device and optical-information recording and reproducing method capable of increasing recording capacity with a simple configuration. An example of the solution is a...  
WO/2016/019324A2
A method for lens-free imaging of a sample or objects within the sample uses multi-height iterative phase retrieval and rotational field transformations to perform wide FOV imaging of pathology samples with clinically comparable image qu...  
WO/2016/012813A3
We describe a window assembly (100) comprising: a window pane (102) comprising a glass or plastic sheet; and a layer of holographic recording medium (104) attached to said glass or plastic sheet; wherein said layer of holographic recordi...  
WO/2016/010797A1
Embodiments that relate to displaying holographic keyboard and hand images in a holographic environment are provided. In one embodiment depth information of an actual position of a user's hand is received. Using the depth information, a ...  
WO/2016/010289A1
A holographic see-through optical device, a stereoscopic imaging system including the same, and a multimedia head mounted system are provided. The holographic see-through optical device includes a micro display; a relay optical system, w...  
WO/2016/007579A1
In one embodiment, a self-interference incoherent digital holography system including a light sensor and a diffractive filter configured to receive light from an object to be holographically imaged and generate holographic interference p...  
WO/2016/001108A1
A pressure sensitive holographic recording composition is described wherein the composition comprises diacetone acrylamide, glycerol and citric acid. The composition is capable of recording high diffraction efficiency reflection holograms.  
WO/2016/003773A1
An optical system (34) includes an illumination source (38), a volume hologram (36), and a spatially modulating image-forming optic (12). The illumination source is configured to emit coherent light (14), and the volume hologram (36) is ...  
WO/2015/200705A1
Described herein are devices, compositions, and methods for improving color discernment. In particular, devices and methods for correcting color blindness comprising a hologram that enhances the ability to distinguish a desired first ban...  
WO/2015/198407A1
Provided is a recording method with which wasteful consumption of the M number (M/#) of the recording material is prevented, and with which the recording density is improved. An optical information recording device that utilizes interfer...  
WO/2015/194773A1
A display device is disclosed. The display device comprises: a flat display means; a hologram generation means; and a control unit for acquiring a hologram image with respect to at least a portion of a planar image outputted through the ...  
WO/2015/190437A1
The purpose of the present invention is to provide a light projection device and an onboard headlight that can maintain safety even if a semiconductor laser is used as an illumination element, and that can greatly increase or decrease th...  
WO/2015/189764A1
This invention proposes a per-piece unique optical randomness on security labels that enables a unique color profiling. Verification of Color-profiling is fully automated. Color profiling is captured under a light homogenizer. Color prof...  
WO/2015/187185A1
An optical information recording/reproducing apparatus and method thereof which compensate for the effect of mechanical instability on holographic data storage. A time dependent deviation profile of an optical beam during recording is de...  
WO/2015/186672A1
[Problem] To provide a hologram, a light transmitting reflective plate, a screen, and a projection system which achieve high transparency and allow a projected image to be brightly and clearly reflected and observed. [Solution] A hologra...  
WO/2015/181867A1
The purpose of the present invention is to provide an optical information reproduction device that uses reference light angle multiplexing holography and is capable of reproducing data stably by detecting a reference light angle at which...  
WO/2015/173558A1
There is provided a head-up display for a windscreen having spatially variant optical power. The head-up display comprises a diffuser arranged to display an image. The diffuser is shaped to compensate for the spatially variant optical po...  
WO/2015/174089A1
Provided are a diffraction structure transfer foil and a forgery prevention medium using this diffraction structure transfer foil that improve usefulness of the diffraction structure transfer film in determining authenticity by making a ...  
WO/2015/175046A3
A method and system for identification of holographic tracking and identification of features of an object. A holograph is created from scattering off the object, intensity gradients are established for a plurality of pixels in the holog...  
WO/2015/174887A1
This invention relates to the field of radio-frequency imaging and makes it possible to produce low-noise array-based recording screens for widely accessible radio-frequency holographic systems which do not contain mechanical scanning el...  
WO/2015/168384A3
The inventors have discovered a method to improve image quality in holography and, for the first time, utilize lenses made from birefringent materials to advantageously split an incoming beam of either coherent or incoherent light into t...  
WO/2015/165471A1
There is presented a method for providing an intensity pattern (Ioutput), such as an image, more particularly a contiguous intensity pattern with reduced speckle. The method comprises encoding a spatial light modulator (SLM) with a modul...  
WO/2015/168384A2
The inventors have discovered a method to improve image quality in holography and, for the first time, utilize lenses made from birefringent materials to advantageously split an incoming beam of either coherent or incoherent light into t...  
WO/2015/161347A1
A method for producing a security document comprising a volume hologram, including the steps of: applying an optically sensitive material onto a first surface of a substrate in a first region of the first surface; and irradiating the opt...  
WO/2015/161227A1
In a first aspect, a multilayer film includes a holographic image layer, a first heat-shrinkable layer and a first adhesive layer between the holographic image layer and the first heat-shrinkable layer. In a second aspect, an authenticat...  
WO/2015/161221A1
The invention pertains in a first aspect to a multilayer film that includes a frangible holographic image layer and an adhesive layer adjacent to a side of the holographic image layer; and, an additional temporary support layer that is a...  
WO/2015/156801A1
Briefly stated, technologies are generally described for displaying a holographic image on a mobile device with a reference beam provided from a light source station. Example devices/systems described herein may use one or more of a mobi...  
WO/2015/154866A1
The invention relates to a method for producing a security element for a security paper, value document or similar, comprising a substrate (10) which is provided at least partially with an embossed coating (11) comprising at least two la...  
WO/2015/156939A1
Various examples of diffraction grating layers for touch/proximity sensing apparatus are provided. The touch/proximity sensing apparatus may include a light guide and light sources edge-coupled to first side of the light guide. Light sen...  
WO/2015/150589A1
A lens-free device (100) for performing drug screening on cells (103) comprises a substrate (101) having a surface (102); a light source (104) positioned to illuminate the cells (103), when present, on the substrate surface (104) with a ...  
WO/2015/145428A1
The present invention relates to an arrangement for the generation of images of optical sections of a three-dimensional (3D) volume in space such as an object, scene, or target, comprising: an illumination unit, an optical arrangement fo...  
WO/2015/141137A1
In the present invention, hologram data is generated by: dividing a hologram data generation region (33) for generating hologram data into a plurality of elemental regions (34); calculating basic hologram data, which is hologram data for...  
WO/2015/132752A2
Diffractive optical element (6) of the holographic type, which forms, when illuminated by a first electromagnetic field (DOB) having non-zero orbital angular momentum, a second electromagnetic field (IOB) adapted to form a first image su...  
WO/2015/132360A1
This method for characterising a state of adhesion of particles is implemented via a system comprising a spatially coherent light source and a matrix-array photodetector, the particles being contained in a liquid medium, the liquid mediu...  
WO/2015/132752A3
Diffractive optical element (6) of the holographic type, which diffractively generates, when illuminated by a predetermined first electromagnetic field (DOB) having non-zero orbital angular momentum, a second electromagnetic field (IOB) ...  
WO/2015/129016A1
The purpose of the invention is to provide a data recording and playback device which records and plays back digital information using holography and a data recording method, such that reduction of recording capacity caused by post-curin...  
WO/2015/128913A1
 The present invention is provided with: a spatial-phase modulation element (30) for forming a display luminous flux (2); a transparent substrate (40) in which the display luminous flux (2) is propagated by repeated internal reflection...  
WO/2015/124227A1
The invention relates to a holographic composite element and to a method for the production thereof. According to said method, a carrier layer (12) is supplied to an application unit (26), in which a flowable holographic material is stor...  
WO/2015/124801A1
The invention concerns an optical system (10) comprising: - a spatial light modulator (13) comprising an array of controllable elements adapted for generating a modulated light beam (17) by diffracting an incident light beam (12), the mo...  
WO/2015/126362A1
Briefly stated, technologies are generally described for providing a computer-generated holography (CGH). Example devices/systems described herein may use one or more of a server device and/or a client device. The server device may be co...  
WO/2015/125133A1
The subject matter discloses an electronic device, comprising a frame comprising one or more projecting units, the one or more projecting units are arranged in a manner to project the content on a projecting field, said projecting field ...  
WO/2015/118475A1
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 hol...  
WO/2015/114743A1
The purpose of the present invention is to provide an optical information device and an optical information processing method which can perform high-speed and accurate positioning. One example of a solution is an optical information devi...  
WO/2015/115564A1
 An image display device according to the present invention is provided with a plurality of image cells arranged in two-dimensional form, each of the image cells having a hologram layer. The hologram layer includes a diffraction gratin...  
WO/2015/112139A1
In some examples, a system may be configured to generate a holographic image of an object. The system may include a holographic recording medium and a fiber laser. The fiber laser may be configured to generate a first output beam at a fi...  
WO/2015/109648A1
An exposing method and an exposing light path of a holographic grating. The exposing method comprises the steps of regulating positions of two exposing light sources (S1, S2) to form an exposing light path: (1) determining initial positi...  
WO/2015/108272A1
A holographic wavefront recording device and method for reproducing seamless color holographic images are provided. A color holographic wavefront printer, according to an embodiment of the present invention, comprises: a light modulation...  

Matches 51 - 100 out of 16,289