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7636196 |
Refractive boundary elements, devices, and materials
An optical device includes an interface between two or more media. The refractive indices, orientations of media, and alignment relative to a propagating wave define a refractive boundary at which...
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7633678 |
Optical element, polarizing element, lighting device, and liquid crystal display
An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the...
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7630133 |
Inorganic, dielectric, grid polarizer and non-zero order diffraction grating
An inorganic, dielectric grid polarizer includes an optical stack with a diffraction grating and an inorganic, dielectric grid polarizer. The inorganic, dielectric grid polarizer includes a stack...
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7630134 |
Optical element, polarizing element, lighting device, and liquid crystal display
An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the...
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7630031 |
Optical compensation film, polarizing plate and liquid crystal display
An optical compensation film is provided and includes a cellulose acylate film and an optically anisotropic layer containing a liquid crystalline compound. The cellulose acylate film satisfies...
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7583440 |
Diffusely-reflecting polarizer having nearly isotropic continuous phase
The present invention provides a diffusely-reflecting polarizer having
a first polymer which is amorphous and having a birefringence of less than about 0.02 and a second polymer, the first...
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7583342 |
Optical resin film and polarizing film and liquid crystal display device using the same
An optical resin film, which has Re (λ) and Rth (λ) satisfying retardation requirements (A) to (D), and has an in-plane width direction retardation (Re) variation coefficient of 5% or less and a...
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7532398 |
Light pipe and polarized-light source
A light pipe is obtained by laminating on one or both surfaces of a light-transmitting resin plate a polarized-light scattering plate having fine birefringent domains dispersed therein and hence...
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7532286 |
Optical resin film and polarizing film and liquid crystal display device using the same
An optical resin film, which has Re (λ) and Rth (λ) satisfying retardation requirements (A) to (D), and has a thickness of from 30 μm to 80 μm: (A) 0.1<Re (450)/Re (550)<0.95 (B)...
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7526164 |
Reflective polarizers containing polymer fibers
A polarizer is formed with an arrangement of polymer fibers substantially parallel within a polymer matrix. The polymer fibers are formed of at least first and second polymer materials. At least...
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7505099 |
Optical resin film and polarizing plate and liquid crystal display using same
An optical resin film is provided and fulfills the following formulae (A) to (D) concerning retardations and is formed by using a polymer or a copolymer of a cycloolefin compound:
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7494223 |
Polarization conversion element, method of manufacturing the same and illumination source unit using the same
A polarization conversion device comprises a prismatic beam splitting assembly for separating p- and s- polarized polarized light orthogonal in the direction of polarization from a light source and...
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7492516 |
Optical element, polarizing element, lighting device, and liquid crystal display
An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the...
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7466486 |
Polarization separating element and method of manufacturing the same
A polarization separating element which can be easily manufactured without increasing the cost and can separate light into plural directions by using one sheet. A polarization separating element...
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7459204 |
Modified copolyesters and improved multilayer reflective films
A multilayered polymer film includes a first set of optical layers and a second set of optical layers. The first set of optical layers is made from a polyester which is often birefringent. The...
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7443585 |
Polarizer, polarization light source and image display unit using them
A polarization component, capable of efficiently reflecting an obliquely transmitted light beam toward a light source without degrading the transmission-polarization property of a perpendicular...
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7414786 |
System and method converting the polarization state of an optical beam into an inhomogeneously polarized state
A system for converting the polarization state of an optical beam which propagates along a path from an initial polarization state into an inhomogeneous polarization state includes a first...
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7411656 |
Optically polarizing retardation arrangement, and a microlithography projection exposure machine
A retardation arrangement for converting an input radiation beam, incident from an input side of the retardation arrangement, into an output radiation beam which has over its cross section a...
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7408711 |
Polarizing plate, method for manufacturing the same, and liquid crystal display panel having the same
A polarizing plate including a polarizer for polarizing incident light; first and second protection films arranged respectively on top and bottom surfaces of the polarizer; and an optical...
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7407686 |
Optical film, polarizing plate and display device utilising the film, and production method of optical film
An optical film is disclosed having minimal curl, minimal coating unevenness and no cracks. The optical film is obtained by casting a dope comprising a cellulose ester and a non-chlorinated solvent...
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7399376 |
Polarizing plate laminated with an improved glue composition and a method of manufacturing the same
The present invention generally relates a method of forming a polarizing plate comprising providing two protective cover sheets, each protective cover sheet for polarizers comprising a low...
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7394188 |
Phosphor based light source component
A method of making a light source includes the steps of forming a first optical component having a phosphor material in fixed relation to a first multilayer interference reflector, providing a...
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7390864 |
Norbornene-based polymer, film, polarizing plate and liquid crystal display device
A norbornene-based polymer, which is formed by addition polymerization of a composition comprising at least one norbornene derivative represented by formula (1):
wherein R 1 , R 2 , R 3 ,...
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7382535 |
Wave plate and associated method
An improved wave plate and associated method are provided. The wave plate includes a plurality of layers of uniaxial crystal including at least one layer of positive uniaxial crystal and at least...
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7375888 |
Optical component
An optical component contains two or more hidden images for authentication and antiforgery purposes. The images are successively revealed and concealed when the optical component is held between...
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7365906 |
Projection screen and projection system containing same
A projection screen capable of sharply displaying an image even under bright environmental light with high image visibility. A projection screen has a polarized-light selective reflection layer...
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7355791 |
Optical system and photolithography tool comprising same
An optical system, for example a lens for a photolithography tool, includes a group of optical elements (L 1 , L 2 ) that each comprise a birefringent cubic crystal such as CaF 2 . The crystal...
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7321464 |
Electroluminescent light source and display incorporating same
A brightness enhanced reflective polarizer includes a reflective polarizer and a structured surface material.
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7319558 |
Wide-band wave plate and a controlling method thereof
A wide-band wave plate having at least two wave plates, each of which has a microstructure to generate a phase difference, the microstructure having a cycle not shorter than 1/n min of a shortest...
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7315418 |
Polarizing beam splitter assembly having reduced stress
A polarizing beam splitter includes a multilayer polarizing film, a first cross-linked silicone gel layer disposed on the multilayer polarizing film, a first rigid cover disposed on the...
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7297393 |
Optical film
Birefringent optical films have a Brewster angle (the angle at which reflectance of p-polarized light goes to zero) which is very large or is nonexistent. This allows for the construction of...
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7283302 |
Wavelength filter and wavelength monitor device
A wavelength filter includes a solid material that is optically transparent and including a pair of planar surfaces substantially parallel to each other; and a supporting member that supports the...
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7268483 |
Optical element, as well as polarized-light-emitting surface light source and display device using the same
An optical element having a plate-like shape includes a light-transmitting resin and minute regions. The minute regions are dispersedly distributed in the light-transmitting resin and have a...
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7262920 |
Optical element and manufacturing method therefor
An optical element and a manufacturing method therefor, an exposure apparatus, and a device manufacturing method that can reduce the effect of intrinsic birefringence under high NA conditions....
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7256936 |
Optical polarizing films with designed color shifts
Multilayer films are provided that exhibit a colored appearance when viewed at an oblique angle as a result of one or more reflection bands in the visible region of the spectrum. The films however...
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7247380 |
Laminated phase retarder film and a liquid crystal display using the same
The objective of the present invention is to provide a laminated phase retarder film that is superior in evenness, exhibits a biaxial optical property as a whole, and makes it possible to set the...
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7245431 |
Reflective polarizer assembly
An assembly that includes a first reflective polarizer substantially reflecting light having a first polarization state and substantially transmitting light having a second polarization state, a...
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7231122 |
Photonic crystal waveguides and systems using such waveguides
In general, in one aspect, the invention features an apparatus that includes a photonic crystal fiber configured to guide a mode of electromagnetic radiation at a wavelength, λ, along a waveguide...
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7218447 |
Diamond-like carbon film and method for qualitatively transforming diamond-like carbon film
A diamond-like carbon (DLC) film having refractive indices distributed in a pattern oriented within the plane of the film or on a bias with respect to the thickness of the film. Such films may be...
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7203002 |
Polarizer, polarizing plate, liquid crystal display, and image display, and a method for producing the polarizer
A polarizer used for an image display such as a liquid crystal display, a plasma display, and an electroluminescence display, and the polarizer suppresses coloring of transmitted light. The...
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7187496 |
Manufacturing method of optical device, optical device, manufacturing method of faraday rotator, and optical communication system
There are provided a manufacturing method of an optical device excellent in expediency, and a technique for stably manufacturing a high performance optical device. After a single crystal film which...
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7170678 |
Optical color separation and synthesis system, and method of constructing optical color separation and synthesis system
An optical color separation and synthesis system is constructed according to a method, in which four first to fourth polarization beam splitters are arranged in such a manner that polarization...
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7147903 |
High efficiency optical devices
Optical devices such as backlight assemblies, according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer....
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7131737 |
Housing for mounting a beamsplitter and a spatial light modulator with an output optical path
A housing ( 500 ) for a wire grid polarizing beamsplitter ( 240 ) and a spatial light modulator ( 210 ) in alignment with an output optical path has a front plate having an opening ( 502 ) for...
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7123410 |
Projection screen and projection system comprising the same
A projection screen includes a polarized-light selective reflection layer having a cholesteric liquid crystalline structure, capable of selectively reflecting a specific polarized-light component;...
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7123409 |
Projection screen and projection system comprising the same
The present invention provides a projection screen capable of sharply displaying an image by minimizing the influence of the loss of light that occurs on a polarized-light selective reflection...
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7119956 |
Liquid crystal display with mixed polarizers for high temperature operations
A liquid crystal display for use in applications where direct exposure to sunlight creates a thermal gradient from the front of the display to the back of the display uses a high efficiency...
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7118229 |
Illumination optical system and projector using the same
The present invention provides a technique for readily changing the design of a projector. A projector comprises: an illumination optical system; a light modulation device; a projection optical...
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7099082 |
Method for producing optical compensating film, optical compensating film, circularly polarizing plate, and liquid crystal display
Provided is a method for producing an optical compensating film, which comprises stretching a cellulose acetate film, the cellulose acetate film having a water content of 2.0 to 20.0% by weight,...
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7099083 |
Polymeric optical film
An optical film includes a layer of simultaneous biaxially stretched polyolefin film that is substantially non-absorbing and non-scattering for at least one polarization state of visible light. The...
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