Matches 1 - 50 out of 186 1 2 3 4 >


Match Document Document Title
US20100086860 PHOTOPOLYMER COMPOSITIONS FOR OPTICAL ELEMENTS AND VISUAL DISPLAYS  
The invention relates to novel photopolymers based on specific urethane acrylates as writing monomers, which are suitable for producing holographic media, in particular for visual display of images.
US20100112459 POLYETHER-BASED POLYURETHANE FORMULATIONS FOR THE PRODUCTION OF HOLOGRAPHIC MEDIA  
The present invention relates to novel polyurethane compositions which are advantageous for the production of holographic media, inter alia for data storage, but also for optical applications of...
US20080311483 Radiation-Crosslinking And Thermally Crosslinking PU Systems-Based On Poly(epsilon-Caprolactone) Polyester Polyols  
The present invention provides polyurethane systems which cure by radiation and thermal action with crosslinking, and use thereof for the production of holographic media. The polyurethane...
US20090325079 Data storage medium comprising colloidal metal and preparation process thereof  
Disclosed is a photopolymerizable holographic recording medium for data storage that comprises colloidal metal, and which exhibits a threshold for a second stage polymerization which is...
US20090323144 ILLUMINATION DEVICE WITH HOLOGRAPHIC LIGHT GUIDE  
An illumination device includes a holographic film and a light source, such as a point light source. The point light source is positioned at an edge of the holographic film and has a light...
US20080311482 Radiation-crosslinking and thermally crosslinking PU systems comprising iminooxadiazinedione  
The present invention relates to polyurethane compositions which cure by radiation and thermal action with crosslinking, and use thereof for the production of holographic media. The polyurethane...
US20080044737 Data storage medium comprising colloidal metal and preparation process thereof  
Disclosed is a photopolymerizable holographic recording medium for data storage that comprises colloidal metal, and which exhibits a threshold for a second stage polymerization which is...
US20120219885 NOVEL NON-CRYSTALLIZING METHACRYLATES, PRODUCTION AND USE THEREOF  
The invention relates to a novel non-crystallizing methacrylate and a method for the production thereof. The invention further relates to a photopolymer formulation comprising the methacrylate of...
US20140302426 METHOD FOR PRODUCING A HOLOGRAPHIC FILM  
The invention relates to a method for producing holographic films, in which a photopolymer formulation is provided which comprises as constituents matrix polymers, writing monomers, a...
US20060115740 Hologram recording medium  
A hologram recording medium includes: first and second translucent substrates; and a recording layer, which is formed between the first and second substrates, contains a three-dimensionally...
US20050214650 Hologram recording material, hologram recording method, optical recording medium, three-dimensional display hologram and holographic optical element  
A hologram recording method using at least one discolorable dye, which comprises forming an interference band due to refractive index modulation using discoloration of the discolorable dye by...
US20050058911 Holographic recording medium, holographic recording method and holographic information medium  
A holographic recording medium provided with a holopraphic recording layer containing a binder forming compound, a compound provided with an ethylenical unsaturated bond, a photopolymerization...
US20110207029 MEDIA FOR VOLUME-HOLOGRAPHIC RECORDING BASED ON SELF-DEVELOPING POLYMER  
The present invention relates to novel self-developing films for incorporation of volume holograms by exposure, a method for production thereof and the use thereof.
US20070231744 Holographic recording medium  
A holographic recording medium includes a recording layer containing a matrix material, a photoactive monomer having an ethylenic unsaturated bond dispersed in the matrix material and a...
US20060194122 Hologram recording material and optical recording medium  
A hologram recording material is provided and has: an optical refractive index-modulating component; and a curable polymer. The optical refractive index-modulating component performs at least one...
US20050112472 Seamless holographic embossing substrate produced by laser ablation  
Laser ablation to direct write dot matrix holographic patterns onto the surface of polymeric coatings deposited on an embossing cylinder is described. The desired holographic pattern is ablated by...
US20080266524 Autostereoscopic projection system  
The invention relates to an autostereoscopic projection arrangement, comprising at least one projector (4) and at least one filter array (F1, F2), which has a multitude of filter elements arranged...
US20060147811 Method and apparatus for writing grating structures using controlled phase delay between beams  
A method of writing a grating structure with at least one of predetermined amplitude, period and phase properties in a photosensitive waveguide, the method comprising providing at least two light...
US20050136333 Novel optical storage materials based on narrowband optical properties  
Holographic storage media including a substrate and a dye material capable of undergoing a photo-induced change are disclosed. Data may be written into the holographic storage media using light of...
US20110085241 TRANSMISSIVE OPTICAL MICROSTRUCTURE SUBSTRATES THAT PRODUCE VISIBLE PATTERNS  
A light transmissive structure such as a light diffuser includes a substrate having optical microstructures. The optical microstructures include at least one feature that varies across the...
US20150147685 SYSTEM AND METHOD FOR HOLOGRAPHY-BASED FABRICATION  
A system and method may utilize holography to facilitate fabrication techniques such as 3D printing and lithography. The system may include a light source, a hologram of an original object or...
US20070037065 Seamless holographic embossing substrate produced by laser ablation  
Laser ablation to direct write dot matrix holographic patterns onto the surface of polymeric coatings deposited on an embossing cylinder is described. The desired holographic pattern is ablated by...
US20050221198 Hologram recording material, hologram recording method and optical recording medium  
A hologram recording material comprising at least one metal complex dye as a sensitizing dye.
US20080070124 COMPOSITION FOR HOLOGRAPHIC RECORDING MEDIUM, HOLOGRAPHIC RECORDING MEDIUM, AND METHOD FOR PRODUCING THE SAME  
The present invention aims to provide a composition for a holographic recording medium which allows for producing a disc medium filled with a photopolymer by a very simple method such as hot press...
US20140329172 ANISOTROPIC OPTICAL MATERIAL  
A method for producing a material with anisotropic optical properties, the method comprising: fabricating a patterned mask with alternating opaque and transparent regions; assembling a stack...
US20110262844 Fabrication of high efficiency, high quality, large area diffractive waveplates and arrays  
The objective of the present invention is providing a method for fabricating high quality diffractive waveplates and their arrays that exhibit high diffraction efficiency over large area, the...
US20070087284 MULTIPASS MULTIPHOTON ABSORPTION METHOD AND APPARATUS  
A method of increasing the efficiency of a multiphoton absorption process and apparatus. The method includes: providing a photoreactive composition; providing a source of sufficient light for...
US20050250016 Holographic recording medium, holographic recording method and holographic information medium  
A holographic recording medium including: an anti-reflection layer; an first substrate; a holographic recording layer containing a binder forming compound, a photopolymerizable compound which has...
US20080102378 THERMOPLASTIC HOLOGRAPHIC MEDIA  
The present invention provides an article comprising: a binder component, a polymerizable component; and a photoinitiator component comprising at least one photoinitiator that causes the...
US20070224541 Holographic recording medium  
A holographic recording medium has a recording layer, including a matrix formed of a polymer of spiroorthoester of an epoxy compound, a radical-polymerizable compound, and a photoinitiator.
US20070092804 Photopolymerizable medium comprising siloxane compounds that support cationic polymerization for holographic storage  
Compound represented by structural formulas (XII) and (XV): and polymerizable and holographic recording media comprising same. Variables for structural formulas (XII), (XIIA), and (XV) are defined...
US20130236817 FABRICATION OF HIGH EFFICIENCY, HIGH QUALITY, LARGE AREA DIFFRACTIVE WAVEPLATES AND ARRAYS  
The objective of the present invention is providing a method for fabricating high quality diffractive waveplates and their arrays that exhibit high diffraction efficiency over large area, the...
US20060188790 Hologram recording material, hologram recording method, and optical recording medium  
A hologram recording material is provided and has: a sensitizing dye absorbing light upon hologram exposure to generate an excited state thereof, and an interference fringes-recording component...
US20060078802 Holographic storage medium  
Disclosed herein is a method of manufacturing a data storage media comprising mixing a photoactive material, a photosensitizer and an organic binder material to form a holographic composition,...
US20060019172 Volume hologram resin composition, surface relief hologram resin composition, and hologram layer, hologram transfer foil and brittle hologram label using the same  
The major object of the invention is to provide a volume-type hologram resin composition and a surface relief-type hologram resin composition having a high effect of preventing forgery and...
US20090068569 Resin composition for hologram recording material, hologram recording material, and method for producing hologram recording medium  
The sensitivity, diffraction efficiency, etc. of hologram recording materials is improved. Disclosed is a resin composition for a hologram recording material, the resin composition comprising: a...
US20080070125 Intermediate Transfer Recording Medium and Method for Image Formation  
Disclosed is an intermediate transfer recording medium for use in a method which comprises the steps of: forming an image using the intermediate transfer recording medium on an object; and forming...
US20060057467 Hologram recording material and hologram recording method  
A hologram recording material and a hologram recording method, capable of attaining a high sensitivity, a high diffraction efficiency, a satisfactory storability and a dry processability at the...
US20080138718 Holographic optical recording medium, manufacturing method thereof and holographic optical recording method  
Disclosed is a holographic optical recording medium comprising a recording layer having a skeleton structure represented by following general formula (A): where R1 denotes an atomic group selected...
US20140295328 CHAIN TRANSFER REAGENTS IN POLYURETHANE-BASED PHOTOPOLYMER FORMULATIONS  
The present invention relates to photopolymer formulations comprising: matrix polymers (A), obtainable by reacting at least one polyisocyanate component (a) and one isocyanate-reactive component...
US20120135338 HOLOGRAPHIC RECORDING MEDIUM WITH CONTROL OF PHOTOPOLYMERIZATION AND DARK REACTIONS  
The present invention relates to a system, as well as articles and holographic recording medium comprising the system, where the system comprises: a polymerizable component comprising at least one...
US20100239962 TWO-PHOTON ABSORBING OPTICAL RECORDING MATERIAL AND TWO-PHOTON ABSORBING OPTICAL RECORDING AND REPRODUCING METHOD  
A two-photon absorbing optical recording material comprising at least one two-photon absorbing compound and a recording component is provided. Recording is made on it by utilizing the two-photon...
US20070042275 Composition for optical recording, optical recording medium, and production method thereof  
The invention relates to a composition for optical recording including: a matrix polymer formed by mixing an epoxide compound and a curing agent; a polymerizable monomer having an unsaturated...
US20090074356 Waveguide Comprising an Anisotropic Diffracting Layer  
The invention relates to an edge-lit slab waveguide equipped with a slanted anisotropic holographic layer, which couples out linearly polarized light. The invention further relates a new slanted...
US20140212792 HOLOGRAPHIC STORAGE MEDIUM AND METHOD OF MAKING HOLOGRAPHIC STORAGE MEDIUM  
Articles for recording a holographic image are described. The articles include a holographic recording medium having a plurality of surfaces, having a transparent polymeric binder and a...
US20070243472 Holographic recording medium, recording method thereof, reading method thereof, recording apparatus and reading apparatus for holograohic recording medium  
A holographic recording medium 1 includes a holographic recording layer 7 having information recorded by use of recording beams L1, L2 and a two-state variable layer 5 arranged on one side of the...
US20100291474 COMPOSITIONS AND COATINGS CONTAINING FLUORESCENT, INORGANIC NANOPARTICLES  
Compositions and coatings are described that contain fluorescent, inorganic nanoparticles that can fluoresce when excited with actinic radiation. The compositions and coatings can be used for...
US20070248890 Index Contrasting-Photoactive Polymerizable Materials, and Articles and Methods Using Same  
The present invention provides a composition comprising at least one a photoactive index-contrasting polymerizable material, wherein the photoactive polymerizable material comprises at least one...
US20140255824 SULPHUR-CONTAINING CHAIN TRANSFER REAGENTS IN POLYURETHANE-BASED PHOTOPOLYMER FORMULATIONS  
The present invention relates to photopolymer formulations comprising: matrix polymers (A), obtainable by reacting at least one polyisocyanate component (a) and one isocyanate-reactive component...
US20160370625 HOLOGRAPHIC POLYMER DISPERSED LIQUID CRYSTALS  
A hyperspectral holographic polymer dispersed liquid crystal (HPDLC) medium comprising broadband reflective properties may comprise dopants that result in a hyperspectral HPDLC with fast...

Matches 1 - 50 out of 186 1 2 3 4 >