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7618164 |
Moire reducing optical substrates with irregular prism structures
An optical substrate having a structured surface that enhances brightness and reduces moiré effect. The optical substrate has a three-dimensionally varying, structured light output surface that...
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7602551 |
Light guide plate for liquid crystal display back light units and liquid crystal display back light unit using the same
A light guide plate includes a main body having opposing side faces, and front and rear faces connected to the opposing side faces, the front face being adapted to output light incident on at least...
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7576810 |
Prism sheet and liquid crystal display device using the same
An exemplary prism sheet includes a main body having a surface. The surface defines a plurality of first V-shaped micro-protrusions and second V-shaped micro-protrusions thereon. Each of the first...
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7553032 |
Imaging system for an optical engine of a projection apparatus
An imaging system for an optical engine of projection apparatus comprises a body, a prism device, a digital micromirror assembly, a projection lens assembly, and an illumination system. A first...
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7551359 |
Beam splitter apparatus and system
A beam splitter apparatus comprises a beam splitter and a plurality of prisms disposed about the beam splitter. The beam splitter apparatus is configured to split an incident laser beam into a...
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7534024 |
Optical deflector element and light source device
An optical deflector element has a light incoming surface ( 41 ) in which light enters and a light outgoing surface ( 42 ) located opposite the light incoming surface and from which light exits. In...
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7529048 |
Optical film having multi-story prisms and manufacturing process thereof
An optical film includes a supporting layer and a structured-surface layer having a plurality of prims juxtapositionally formed on the supporting layer, each prim including a lower prism element...
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7527186 |
Method and apparatus for mapping a position of a capillary tool tip using a prism
A system for determining wire bonding tool placement for use with a wire bonder and an optical imager is provided. The system includes a prism disposed below the optical imager and the wire bonding...
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7515790 |
Two-dimensional planar photonic crystal superprism device and method of manufacturing the same
Provided are a two-dimensional planar photonic crystal superprism device and a method of manufacturing the same, in which a manufacturing process is simplified using a nanoimprint lithography...
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7515194 |
Image pickup optical system and optical apparatus using the same
An image pickup optical system includes, in order from the object side, a front unit having at least one reflecting surface with power that is rotationally asymmetrical, an aperture stop, and a...
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7508607 |
Optical film
An optical film includes a first film member, a second film member and a connecting member integrally joining the first film member and the second film member. The first film member has a first...
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7492520 |
Light source apparatus and display apparatus
A light source apparatus is provided. The light source apparatus includes: a light-emitting portion; a light-guiding plate having the light-emitting portion disposed at a side surface thereof,...
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7483224 |
Optical sheet
A lens film with small warpage even when a transparent base is thin is provided. Pole prisms made of a hardening resin are arranged along the extending direction on a transparent base made of a...
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7471450 |
Confocal reflectance microscope system with dual rotating wedge scanner assembly
A confocal reflectance microscope system incorporates a dual-wedge laser scanner assembly. The scanner assembly incorporates a pair of rotatably mounted prisms, each prism having an angle selected...
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7433139 |
Variable attenuator for a lithographic apparatus
A variable attenuator is provided for selectively attenuating a radiation beam in a lithographic apparatus. The attenuator is generally planar and comprises two wedge shaped prisms formed of...
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7429111 |
Two-panel color management system
The invention provides a two-panel color management system for projection display applications, wherein color sequencing is accomplished using achromatic beam switching and static color separation....
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7428104 |
Optical device for the combination of light beams
An optical device for combining a first light beam and at least one second light beam includes a first beam splitting device, a second beam splitting device and a position detector. The first beam...
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7411734 |
Color-splitting optical element and an optical system utilizing the color-splitting optical element
A color-splitting optical element is disclosed that includes a first prism having a first transmissive curved outer side, a second transmissive curved outer side and an inner side. The...
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7411732 |
Backlight module and brightness enhancement film thereof
A backlight module includes a light source, a light guide disposed on one side of the light source, a reflector disposed under the light guide, a lower diffuser disposed on the light guide, and a...
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7396132 |
Prism assembly for use in optical devices and projector comprising such a prism assembly
A prism assembly for use in optical devices, which includes a total internal reflection (TIR) assembly for redirecting an incoming lightbeam, a color prism assembly for splitting the incoming...
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7380960 |
Illumination system
An illumination system includes a beam splitting unit, a first lamp, a second lamp and a reflective component. The beam splitting unit has a splitting interface. One of the first lamp, the second...
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7375881 |
Carriage for optical elements in an optical sighting device
A compact spotting scope includes a housing with an outer surface having a grasping region sized and shaped to fit in the palm of a user's hand so that the spotting scope can be held at eye level...
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7372079 |
Surface light emitter, display apparatus and light control member
To improve the front brightness of the light emitted from a surface light emitter having a surface light emitting device. In the surface light emitter to which a light control sheet having...
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7364314 |
Optical structures
Optical structures and methods for manufacturing the same includes, in one embodiment, a substrate and a plurality of two-sided optical components disposed along the substrate. Each component...
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7359308 |
Fixing structure for optical element and optical head device
A fixing structure for an optical element includes a first element face of the optical element, a second element face of the optical element which is orthogonal to the first element face, a first...
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RE40227 |
Totally internally reflecting thin, flexible film
A thin, flexible film made of a transparent polymeric material including a structured surface and an opposite smooth surface, wherein light striking either surface, within certain angular ranges,...
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7341355 |
Anti-glare optical film and process for preparing the same
An anti-glare optical film which reduces in whitening of a screen without sacrificing anti-glare property, and a process for preparing the same. There is provided an anti-glare optical film has an...
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7340085 |
Rotating prism component inspection system
An inspection system is provided. The system includes a rotating prism having a first end and a second end. The first end receives a first image area, such as a circular view, and rotates about a...
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7333277 |
Cap device for multiple image display
The cap device contains a number of prisms housed inside a closed space formed by a transparent cover, a ring, and a base. Gear teeth are provided along the inner circumference of the ring, which...
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7333083 |
Optical based performance improvement for an optical illumination configuration
A system, method, and method of manufacturing directed to an optical device with an efficient optical illumination. The optical illumination can be provided by tilting a light source and using a...
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7319566 |
Beam manipulation using sets of wedges
Compact beam manipulators employ one or more Risley prism sets with or without a parallel plate translator. One beam manipulator contains a plate mounted to permit pitch and yaw adjustments and a...
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7319565 |
Silicone rubber surfaces for biometric print TIR prisms
Molded silicone rubber sheets with optical quality surfaces and methods for making the same. The silicone rubber sheets are made by molding liquid silicone rubber in a mold. In embodiments, the...
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7307804 |
Thermally stabile GRISMs
Thermally stable GRISMs comprise a substrate and cover plate composed of a first material keeps the spatial frequency of the grating stable with temperature, and a prism composed of a second...
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RE39859 |
Dichroic prism, prism unit, and projection display apparatus
At least one of four rectangular prisms in a dichroic prism is made longer than the other rectangular prisms. Parts of the rectangular surfaces of the long rectangular prisms partially protrude...
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7256934 |
Tilting system for an observation device and an observation device
A tilting system for an observation device, in particular for a microscope, with at least one objective device and at least one optical device for passing at least one beam path from an entrance...
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7239463 |
Prism device and combined optical and radio frequency beam steering system
A prism device includes: a prism material having substantially the same index of refraction at first and second wavelengths; a first anti-reflection coating for reducing reflection of a first...
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7237893 |
Light adjustable lenses capable of post-fabrication power modification via multi-photon processes
The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The...
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7230761 |
High-dispersion grisms
A grism based upon a grating with a given line frequency is configured such that a design wavelength will undergo either a specific total bend angle, a zero-degree total bend without lateral...
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7230603 |
Illumination device and display device using the same
An illumination device and display device using it display motion pictures without a blur and make a light utilizing efficiency of a backlight improved. An illumination device having a light pipe...
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7227685 |
Optical film and liquid-crystal display device
An optical film has a transparent film and an adhesive layer provided on one surface of the transparent film. The adhesive layer has a refractive index different by 0.12 or less from that of a...
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7224494 |
Image reading apparatus, its light source, and shading correcting apparatus
In an image reading apparatus using a contact image sensor, an area light source for reading an image from a film original is provided. The area light source has a light guide plate and an LED...
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7199951 |
Decentering optical system, holding structure of decentering optical system, and optical apparatus using the same
The decentering optical system comprises a decentering prism and a holding component. The decentering prism has two or more positioning portions at positions which sandwich an effective diameter of...
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7190535 |
Non-planar prism
A system and method are provided for scanning all or part of a hand print for one or more hands positioned on a non-planar portion of a prism. The non-planar portion can be symmetrical about an...
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7180690 |
Light condensing filter
A light condensing filter has plural prisms formed on a surface of a flat substrate and on the opposite surface to the surface, and light from a light source is condensed by the plural prisms,...
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7170696 |
Method and arrangement for deeply resolved optical detection of a sample
A method and arrangement for the depth-resolved optical detection of a specimen with an illumination light distribution of at least one wavelength generated on or in a specimen and detection...
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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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7147333 |
Projector
In a base plate, projections for being inserted into openings in a lower bracket, and for supporting a bottom surface of a cross-dichroic prism, are provided. The lower bracket and the...
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7142357 |
Night-day boresight with adjustable wedge-prism assembly
An in-line night-day boresight with an adjustable wedge-prism assembly is disclosed. The adjustable wedge-prism assembly includes two opposing wedge prisms that are axially rotatable relative to...
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7119972 |
Apparatus and method for the manipulation of a laser beam in reflection
An apparatus for manipulating a path of a beam includes a first wedge and a second wedge. The first wedge includes a first refractive surface and a second refractive surface. The second wedge...
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7119971 |
Optical prism, display element support and optical assembly using the same
An optical prism 100 for reflecting light incident on its light incidence surface 12 suited for incidence of light from an LCD 20 at least twice within itself and emitting the reflected light...
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